TextView.java revision 3373ed62d1de643d3a56e3f4ece2154efa455ecc
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.widget; 18 19import android.content.Context; 20import android.content.Intent; 21import android.content.res.ColorStateList; 22import android.content.res.Resources; 23import android.content.res.TypedArray; 24import android.content.res.XmlResourceParser; 25import android.graphics.Canvas; 26import android.graphics.Paint; 27import android.graphics.Path; 28import android.graphics.Rect; 29import android.graphics.RectF; 30import android.graphics.Typeface; 31import android.graphics.drawable.Drawable; 32import android.os.Bundle; 33import android.os.Handler; 34import android.os.Parcel; 35import android.os.Parcelable; 36import android.os.ResultReceiver; 37import android.os.SystemClock; 38import android.os.Message; 39import android.text.BoringLayout; 40import android.text.DynamicLayout; 41import android.text.Editable; 42import android.text.GetChars; 43import android.text.GraphicsOperations; 44import android.text.ClipboardManager; 45import android.text.InputFilter; 46import android.text.InputType; 47import android.text.Layout; 48import android.text.ParcelableSpan; 49import android.text.Selection; 50import android.text.SpanWatcher; 51import android.text.Spannable; 52import android.text.Spanned; 53import android.text.SpannedString; 54import android.text.SpannableString; 55import android.text.StaticLayout; 56import android.text.TextPaint; 57import android.text.TextUtils; 58import android.text.TextWatcher; 59import android.text.method.DateKeyListener; 60import android.text.method.DateTimeKeyListener; 61import android.text.method.DialerKeyListener; 62import android.text.method.DigitsKeyListener; 63import android.text.method.KeyListener; 64import android.text.method.LinkMovementMethod; 65import android.text.method.MetaKeyKeyListener; 66import android.text.method.MovementMethod; 67import android.text.method.TimeKeyListener; 68 69import android.text.method.PasswordTransformationMethod; 70import android.text.method.SingleLineTransformationMethod; 71import android.text.method.TextKeyListener; 72import android.text.method.TransformationMethod; 73import android.text.style.ParagraphStyle; 74import android.text.style.URLSpan; 75import android.text.style.UpdateAppearance; 76import android.text.util.Linkify; 77import android.util.AttributeSet; 78import android.util.Log; 79import android.util.FloatMath; 80import android.util.TypedValue; 81import android.view.ContextMenu; 82import android.view.Gravity; 83import android.view.KeyEvent; 84import android.view.LayoutInflater; 85import android.view.MenuItem; 86import android.view.MotionEvent; 87import android.view.View; 88import android.view.ViewDebug; 89import android.view.ViewRoot; 90import android.view.ViewTreeObserver; 91import android.view.ViewGroup.LayoutParams; 92import android.view.animation.AnimationUtils; 93import android.view.inputmethod.BaseInputConnection; 94import android.view.inputmethod.CompletionInfo; 95import android.view.inputmethod.ExtractedText; 96import android.view.inputmethod.ExtractedTextRequest; 97import android.view.inputmethod.InputConnection; 98import android.view.inputmethod.InputMethodManager; 99import android.view.inputmethod.EditorInfo; 100import android.widget.RemoteViews.RemoteView; 101 102import java.io.IOException; 103import java.lang.ref.WeakReference; 104import java.util.ArrayList; 105 106import com.android.internal.util.FastMath; 107import com.android.internal.widget.EditableInputConnection; 108 109import org.xmlpull.v1.XmlPullParserException; 110 111/** 112 * Displays text to the user and optionally allows them to edit it. A TextView 113 * is a complete text editor, however the basic class is configured to not 114 * allow editing; see {@link EditText} for a subclass that configures the text 115 * view for editing. 116 * 117 * <p> 118 * <b>XML attributes</b> 119 * <p> 120 * See {@link android.R.styleable#TextView TextView Attributes}, 121 * {@link android.R.styleable#View View Attributes} 122 * 123 * @attr ref android.R.styleable#TextView_text 124 * @attr ref android.R.styleable#TextView_bufferType 125 * @attr ref android.R.styleable#TextView_hint 126 * @attr ref android.R.styleable#TextView_textColor 127 * @attr ref android.R.styleable#TextView_textColorHighlight 128 * @attr ref android.R.styleable#TextView_textColorHint 129 * @attr ref android.R.styleable#TextView_textSize 130 * @attr ref android.R.styleable#TextView_textScaleX 131 * @attr ref android.R.styleable#TextView_typeface 132 * @attr ref android.R.styleable#TextView_textStyle 133 * @attr ref android.R.styleable#TextView_cursorVisible 134 * @attr ref android.R.styleable#TextView_maxLines 135 * @attr ref android.R.styleable#TextView_maxHeight 136 * @attr ref android.R.styleable#TextView_lines 137 * @attr ref android.R.styleable#TextView_height 138 * @attr ref android.R.styleable#TextView_minLines 139 * @attr ref android.R.styleable#TextView_minHeight 140 * @attr ref android.R.styleable#TextView_maxEms 141 * @attr ref android.R.styleable#TextView_maxWidth 142 * @attr ref android.R.styleable#TextView_ems 143 * @attr ref android.R.styleable#TextView_width 144 * @attr ref android.R.styleable#TextView_minEms 145 * @attr ref android.R.styleable#TextView_minWidth 146 * @attr ref android.R.styleable#TextView_gravity 147 * @attr ref android.R.styleable#TextView_scrollHorizontally 148 * @attr ref android.R.styleable#TextView_password 149 * @attr ref android.R.styleable#TextView_singleLine 150 * @attr ref android.R.styleable#TextView_selectAllOnFocus 151 * @attr ref android.R.styleable#TextView_includeFontPadding 152 * @attr ref android.R.styleable#TextView_maxLength 153 * @attr ref android.R.styleable#TextView_shadowColor 154 * @attr ref android.R.styleable#TextView_shadowDx 155 * @attr ref android.R.styleable#TextView_shadowDy 156 * @attr ref android.R.styleable#TextView_shadowRadius 157 * @attr ref android.R.styleable#TextView_autoLink 158 * @attr ref android.R.styleable#TextView_linksClickable 159 * @attr ref android.R.styleable#TextView_numeric 160 * @attr ref android.R.styleable#TextView_digits 161 * @attr ref android.R.styleable#TextView_phoneNumber 162 * @attr ref android.R.styleable#TextView_inputMethod 163 * @attr ref android.R.styleable#TextView_capitalize 164 * @attr ref android.R.styleable#TextView_autoText 165 * @attr ref android.R.styleable#TextView_editable 166 * @attr ref android.R.styleable#TextView_drawableTop 167 * @attr ref android.R.styleable#TextView_drawableBottom 168 * @attr ref android.R.styleable#TextView_drawableRight 169 * @attr ref android.R.styleable#TextView_drawableLeft 170 * @attr ref android.R.styleable#TextView_lineSpacingExtra 171 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 172 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 173 */ 174@RemoteView 175public class TextView extends View implements ViewTreeObserver.OnPreDrawListener { 176 static final String TAG = "TextView"; 177 static final boolean DEBUG_EXTRACT = false; 178 179 private static int PRIORITY = 100; 180 181 private ColorStateList mTextColor; 182 private int mCurTextColor; 183 private ColorStateList mHintTextColor; 184 private ColorStateList mLinkTextColor; 185 private int mCurHintTextColor; 186 private boolean mFreezesText; 187 private boolean mFrozenWithFocus; 188 private boolean mTemporaryDetach; 189 190 private boolean mEatTouchRelease = false; 191 private boolean mScrolled = false; 192 193 private Editable.Factory mEditableFactory = Editable.Factory.getInstance(); 194 private Spannable.Factory mSpannableFactory = Spannable.Factory.getInstance(); 195 196 private float mShadowRadius, mShadowDx, mShadowDy; 197 198 private static final int PREDRAW_NOT_REGISTERED = 0; 199 private static final int PREDRAW_PENDING = 1; 200 private static final int PREDRAW_DONE = 2; 201 private int mPreDrawState = PREDRAW_NOT_REGISTERED; 202 203 private TextUtils.TruncateAt mEllipsize = null; 204 205 // Enum for the "typeface" XML parameter. 206 // TODO: How can we get this from the XML instead of hardcoding it here? 207 private static final int SANS = 1; 208 private static final int SERIF = 2; 209 private static final int MONOSPACE = 3; 210 211 // Bitfield for the "numeric" XML parameter. 212 // TODO: How can we get this from the XML instead of hardcoding it here? 213 private static final int SIGNED = 2; 214 private static final int DECIMAL = 4; 215 216 class Drawables { 217 final Rect mCompoundRect = new Rect(); 218 Drawable mDrawableTop, mDrawableBottom, mDrawableLeft, mDrawableRight; 219 int mDrawableSizeTop, mDrawableSizeBottom, mDrawableSizeLeft, mDrawableSizeRight; 220 int mDrawableWidthTop, mDrawableWidthBottom, mDrawableHeightLeft, mDrawableHeightRight; 221 int mDrawablePadding; 222 } 223 private Drawables mDrawables; 224 225 private CharSequence mError; 226 private boolean mErrorWasChanged; 227 private ErrorPopup mPopup; 228 /** 229 * This flag is set if the TextView tries to display an error before it 230 * is attached to the window (so its position is still unknown). 231 * It causes the error to be shown later, when onAttachedToWindow() 232 * is called. 233 */ 234 private boolean mShowErrorAfterAttach; 235 236 private CharWrapper mCharWrapper = null; 237 238 private boolean mSelectionMoved = false; 239 private boolean mTouchFocusSelected = false; 240 241 private Marquee mMarquee; 242 private boolean mRestartMarquee; 243 244 private int mMarqueeRepeatLimit = 3; 245 246 class InputContentType { 247 int imeOptions = EditorInfo.IME_NULL; 248 String privateImeOptions; 249 CharSequence imeActionLabel; 250 int imeActionId; 251 Bundle extras; 252 OnEditorActionListener onEditorActionListener; 253 boolean enterDown; 254 } 255 InputContentType mInputContentType; 256 257 class InputMethodState { 258 Rect mCursorRectInWindow = new Rect(); 259 RectF mTmpRectF = new RectF(); 260 float[] mTmpOffset = new float[2]; 261 ExtractedTextRequest mExtracting; 262 final ExtractedText mTmpExtracted = new ExtractedText(); 263 int mBatchEditNesting; 264 boolean mCursorChanged; 265 boolean mSelectionModeChanged; 266 boolean mContentChanged; 267 int mChangedStart, mChangedEnd, mChangedDelta; 268 } 269 InputMethodState mInputMethodState; 270 271 /* 272 * Kick-start the font cache for the zygote process (to pay the cost of 273 * initializing freetype for our default font only once). 274 */ 275 static { 276 Paint p = new Paint(); 277 p.setAntiAlias(true); 278 // We don't care about the result, just the side-effect of measuring. 279 p.measureText("H"); 280 } 281 282 /** 283 * Interface definition for a callback to be invoked when an action is 284 * performed on the editor. 285 */ 286 public interface OnEditorActionListener { 287 /** 288 * Called when an action is being performed. 289 * 290 * @param v The view that was clicked. 291 * @param actionId Identifier of the action. This will be either the 292 * identifier you supplied, or {@link EditorInfo#IME_NULL 293 * EditorInfo.IME_NULL} if being called due to the enter key 294 * being pressed. 295 * @param event If triggered by an enter key, this is the event; 296 * otherwise, this is null. 297 * @return Return true if you have consumed the action, else false. 298 */ 299 boolean onEditorAction(TextView v, int actionId, KeyEvent event); 300 } 301 302 public TextView(Context context) { 303 this(context, null); 304 } 305 306 public TextView(Context context, 307 AttributeSet attrs) { 308 this(context, attrs, com.android.internal.R.attr.textViewStyle); 309 } 310 311 public TextView(Context context, 312 AttributeSet attrs, 313 int defStyle) { 314 super(context, attrs, defStyle); 315 mText = ""; 316 317 mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); 318 // If we get the paint from the skin, we should set it to left, since 319 // the layout always wants it to be left. 320 // mTextPaint.setTextAlign(Paint.Align.LEFT); 321 322 mHighlightPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 323 324 mMovement = getDefaultMovementMethod(); 325 mTransformation = null; 326 327 TypedArray a = 328 context.obtainStyledAttributes( 329 attrs, com.android.internal.R.styleable.TextView, defStyle, 0); 330 331 int textColorHighlight = 0; 332 ColorStateList textColor = null; 333 ColorStateList textColorHint = null; 334 ColorStateList textColorLink = null; 335 int textSize = 15; 336 int typefaceIndex = -1; 337 int styleIndex = -1; 338 339 /* 340 * Look the appearance up without checking first if it exists because 341 * almost every TextView has one and it greatly simplifies the logic 342 * to be able to parse the appearance first and then let specific tags 343 * for this View override it. 344 */ 345 TypedArray appearance = null; 346 int ap = a.getResourceId(com.android.internal.R.styleable.TextView_textAppearance, -1); 347 if (ap != -1) { 348 appearance = context.obtainStyledAttributes(ap, 349 com.android.internal.R.styleable. 350 TextAppearance); 351 } 352 if (appearance != null) { 353 int n = appearance.getIndexCount(); 354 for (int i = 0; i < n; i++) { 355 int attr = appearance.getIndex(i); 356 357 switch (attr) { 358 case com.android.internal.R.styleable.TextAppearance_textColorHighlight: 359 textColorHighlight = appearance.getColor(attr, textColorHighlight); 360 break; 361 362 case com.android.internal.R.styleable.TextAppearance_textColor: 363 textColor = appearance.getColorStateList(attr); 364 break; 365 366 case com.android.internal.R.styleable.TextAppearance_textColorHint: 367 textColorHint = appearance.getColorStateList(attr); 368 break; 369 370 case com.android.internal.R.styleable.TextAppearance_textColorLink: 371 textColorLink = appearance.getColorStateList(attr); 372 break; 373 374 case com.android.internal.R.styleable.TextAppearance_textSize: 375 textSize = appearance.getDimensionPixelSize(attr, textSize); 376 break; 377 378 case com.android.internal.R.styleable.TextAppearance_typeface: 379 typefaceIndex = appearance.getInt(attr, -1); 380 break; 381 382 case com.android.internal.R.styleable.TextAppearance_textStyle: 383 styleIndex = appearance.getInt(attr, -1); 384 break; 385 } 386 } 387 388 appearance.recycle(); 389 } 390 391 boolean editable = getDefaultEditable(); 392 CharSequence inputMethod = null; 393 int numeric = 0; 394 CharSequence digits = null; 395 boolean phone = false; 396 boolean autotext = false; 397 int autocap = -1; 398 int buffertype = 0; 399 boolean selectallonfocus = false; 400 Drawable drawableLeft = null, drawableTop = null, drawableRight = null, 401 drawableBottom = null; 402 int drawablePadding = 0; 403 int ellipsize = -1; 404 boolean singleLine = false; 405 int maxlength = -1; 406 CharSequence text = ""; 407 int shadowcolor = 0; 408 float dx = 0, dy = 0, r = 0; 409 boolean password = false; 410 int inputType = EditorInfo.TYPE_NULL; 411 412 int n = a.getIndexCount(); 413 for (int i = 0; i < n; i++) { 414 int attr = a.getIndex(i); 415 416 switch (attr) { 417 case com.android.internal.R.styleable.TextView_editable: 418 editable = a.getBoolean(attr, editable); 419 break; 420 421 case com.android.internal.R.styleable.TextView_inputMethod: 422 inputMethod = a.getText(attr); 423 break; 424 425 case com.android.internal.R.styleable.TextView_numeric: 426 numeric = a.getInt(attr, numeric); 427 break; 428 429 case com.android.internal.R.styleable.TextView_digits: 430 digits = a.getText(attr); 431 break; 432 433 case com.android.internal.R.styleable.TextView_phoneNumber: 434 phone = a.getBoolean(attr, phone); 435 break; 436 437 case com.android.internal.R.styleable.TextView_autoText: 438 autotext = a.getBoolean(attr, autotext); 439 break; 440 441 case com.android.internal.R.styleable.TextView_capitalize: 442 autocap = a.getInt(attr, autocap); 443 break; 444 445 case com.android.internal.R.styleable.TextView_bufferType: 446 buffertype = a.getInt(attr, buffertype); 447 break; 448 449 case com.android.internal.R.styleable.TextView_selectAllOnFocus: 450 selectallonfocus = a.getBoolean(attr, selectallonfocus); 451 break; 452 453 case com.android.internal.R.styleable.TextView_autoLink: 454 mAutoLinkMask = a.getInt(attr, 0); 455 break; 456 457 case com.android.internal.R.styleable.TextView_linksClickable: 458 mLinksClickable = a.getBoolean(attr, true); 459 break; 460 461 case com.android.internal.R.styleable.TextView_drawableLeft: 462 drawableLeft = a.getDrawable(attr); 463 break; 464 465 case com.android.internal.R.styleable.TextView_drawableTop: 466 drawableTop = a.getDrawable(attr); 467 break; 468 469 case com.android.internal.R.styleable.TextView_drawableRight: 470 drawableRight = a.getDrawable(attr); 471 break; 472 473 case com.android.internal.R.styleable.TextView_drawableBottom: 474 drawableBottom = a.getDrawable(attr); 475 break; 476 477 case com.android.internal.R.styleable.TextView_drawablePadding: 478 drawablePadding = a.getDimensionPixelSize(attr, drawablePadding); 479 break; 480 481 case com.android.internal.R.styleable.TextView_maxLines: 482 setMaxLines(a.getInt(attr, -1)); 483 break; 484 485 case com.android.internal.R.styleable.TextView_maxHeight: 486 setMaxHeight(a.getDimensionPixelSize(attr, -1)); 487 break; 488 489 case com.android.internal.R.styleable.TextView_lines: 490 setLines(a.getInt(attr, -1)); 491 break; 492 493 case com.android.internal.R.styleable.TextView_height: 494 setHeight(a.getDimensionPixelSize(attr, -1)); 495 break; 496 497 case com.android.internal.R.styleable.TextView_minLines: 498 setMinLines(a.getInt(attr, -1)); 499 break; 500 501 case com.android.internal.R.styleable.TextView_minHeight: 502 setMinHeight(a.getDimensionPixelSize(attr, -1)); 503 break; 504 505 case com.android.internal.R.styleable.TextView_maxEms: 506 setMaxEms(a.getInt(attr, -1)); 507 break; 508 509 case com.android.internal.R.styleable.TextView_maxWidth: 510 setMaxWidth(a.getDimensionPixelSize(attr, -1)); 511 break; 512 513 case com.android.internal.R.styleable.TextView_ems: 514 setEms(a.getInt(attr, -1)); 515 break; 516 517 case com.android.internal.R.styleable.TextView_width: 518 setWidth(a.getDimensionPixelSize(attr, -1)); 519 break; 520 521 case com.android.internal.R.styleable.TextView_minEms: 522 setMinEms(a.getInt(attr, -1)); 523 break; 524 525 case com.android.internal.R.styleable.TextView_minWidth: 526 setMinWidth(a.getDimensionPixelSize(attr, -1)); 527 break; 528 529 case com.android.internal.R.styleable.TextView_gravity: 530 setGravity(a.getInt(attr, -1)); 531 break; 532 533 case com.android.internal.R.styleable.TextView_hint: 534 setHint(a.getText(attr)); 535 break; 536 537 case com.android.internal.R.styleable.TextView_text: 538 text = a.getText(attr); 539 break; 540 541 case com.android.internal.R.styleable.TextView_scrollHorizontally: 542 if (a.getBoolean(attr, false)) { 543 setHorizontallyScrolling(true); 544 } 545 break; 546 547 case com.android.internal.R.styleable.TextView_singleLine: 548 singleLine = a.getBoolean(attr, singleLine); 549 break; 550 551 case com.android.internal.R.styleable.TextView_ellipsize: 552 ellipsize = a.getInt(attr, ellipsize); 553 break; 554 555 case com.android.internal.R.styleable.TextView_marqueeRepeatLimit: 556 setMarqueeRepeatLimit(a.getInt(attr, mMarqueeRepeatLimit)); 557 break; 558 559 case com.android.internal.R.styleable.TextView_includeFontPadding: 560 if (!a.getBoolean(attr, true)) { 561 setIncludeFontPadding(false); 562 } 563 break; 564 565 case com.android.internal.R.styleable.TextView_cursorVisible: 566 if (!a.getBoolean(attr, true)) { 567 setCursorVisible(false); 568 } 569 break; 570 571 case com.android.internal.R.styleable.TextView_maxLength: 572 maxlength = a.getInt(attr, -1); 573 break; 574 575 case com.android.internal.R.styleable.TextView_textScaleX: 576 setTextScaleX(a.getFloat(attr, 1.0f)); 577 break; 578 579 case com.android.internal.R.styleable.TextView_freezesText: 580 mFreezesText = a.getBoolean(attr, false); 581 break; 582 583 case com.android.internal.R.styleable.TextView_shadowColor: 584 shadowcolor = a.getInt(attr, 0); 585 break; 586 587 case com.android.internal.R.styleable.TextView_shadowDx: 588 dx = a.getFloat(attr, 0); 589 break; 590 591 case com.android.internal.R.styleable.TextView_shadowDy: 592 dy = a.getFloat(attr, 0); 593 break; 594 595 case com.android.internal.R.styleable.TextView_shadowRadius: 596 r = a.getFloat(attr, 0); 597 break; 598 599 case com.android.internal.R.styleable.TextView_enabled: 600 setEnabled(a.getBoolean(attr, isEnabled())); 601 break; 602 603 case com.android.internal.R.styleable.TextView_textColorHighlight: 604 textColorHighlight = a.getColor(attr, textColorHighlight); 605 break; 606 607 case com.android.internal.R.styleable.TextView_textColor: 608 textColor = a.getColorStateList(attr); 609 break; 610 611 case com.android.internal.R.styleable.TextView_textColorHint: 612 textColorHint = a.getColorStateList(attr); 613 break; 614 615 case com.android.internal.R.styleable.TextView_textColorLink: 616 textColorLink = a.getColorStateList(attr); 617 break; 618 619 case com.android.internal.R.styleable.TextView_textSize: 620 textSize = a.getDimensionPixelSize(attr, textSize); 621 break; 622 623 case com.android.internal.R.styleable.TextView_typeface: 624 typefaceIndex = a.getInt(attr, typefaceIndex); 625 break; 626 627 case com.android.internal.R.styleable.TextView_textStyle: 628 styleIndex = a.getInt(attr, styleIndex); 629 break; 630 631 case com.android.internal.R.styleable.TextView_password: 632 password = a.getBoolean(attr, password); 633 break; 634 635 case com.android.internal.R.styleable.TextView_lineSpacingExtra: 636 mSpacingAdd = a.getDimensionPixelSize(attr, (int) mSpacingAdd); 637 break; 638 639 case com.android.internal.R.styleable.TextView_lineSpacingMultiplier: 640 mSpacingMult = a.getFloat(attr, mSpacingMult); 641 break; 642 643 case com.android.internal.R.styleable.TextView_inputType: 644 inputType = a.getInt(attr, mInputType); 645 break; 646 647 case com.android.internal.R.styleable.TextView_imeOptions: 648 if (mInputContentType == null) { 649 mInputContentType = new InputContentType(); 650 } 651 mInputContentType.imeOptions = a.getInt(attr, 652 mInputContentType.imeOptions); 653 break; 654 655 case com.android.internal.R.styleable.TextView_imeActionLabel: 656 if (mInputContentType == null) { 657 mInputContentType = new InputContentType(); 658 } 659 mInputContentType.imeActionLabel = a.getText(attr); 660 break; 661 662 case com.android.internal.R.styleable.TextView_imeActionId: 663 if (mInputContentType == null) { 664 mInputContentType = new InputContentType(); 665 } 666 mInputContentType.imeActionId = a.getInt(attr, 667 mInputContentType.imeActionId); 668 break; 669 670 case com.android.internal.R.styleable.TextView_privateImeOptions: 671 setPrivateImeOptions(a.getString(attr)); 672 break; 673 674 case com.android.internal.R.styleable.TextView_editorExtras: 675 try { 676 setInputExtras(a.getResourceId(attr, 0)); 677 } catch (XmlPullParserException e) { 678 Log.w("TextView", "Failure reading input extras", e); 679 } catch (IOException e) { 680 Log.w("TextView", "Failure reading input extras", e); 681 } 682 break; 683 } 684 } 685 a.recycle(); 686 687 BufferType bufferType = BufferType.EDITABLE; 688 689 if ((inputType&(EditorInfo.TYPE_MASK_CLASS 690 |EditorInfo.TYPE_MASK_VARIATION)) 691 == (EditorInfo.TYPE_CLASS_TEXT 692 |EditorInfo.TYPE_TEXT_VARIATION_PASSWORD)) { 693 password = true; 694 } 695 696 if (inputMethod != null) { 697 Class c; 698 699 try { 700 c = Class.forName(inputMethod.toString()); 701 } catch (ClassNotFoundException ex) { 702 throw new RuntimeException(ex); 703 } 704 705 try { 706 mInput = (KeyListener) c.newInstance(); 707 } catch (InstantiationException ex) { 708 throw new RuntimeException(ex); 709 } catch (IllegalAccessException ex) { 710 throw new RuntimeException(ex); 711 } 712 try { 713 mInputType = inputType != EditorInfo.TYPE_NULL 714 ? inputType 715 : mInput.getInputType(); 716 } catch (IncompatibleClassChangeError e) { 717 mInputType = EditorInfo.TYPE_CLASS_TEXT; 718 } 719 } else if (digits != null) { 720 mInput = DigitsKeyListener.getInstance(digits.toString()); 721 mInputType = inputType; 722 } else if (inputType != EditorInfo.TYPE_NULL) { 723 setInputType(inputType, true); 724 singleLine = (inputType&(EditorInfo.TYPE_MASK_CLASS 725 | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE)) != 726 (EditorInfo.TYPE_CLASS_TEXT 727 | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE); 728 } else if (phone) { 729 mInput = DialerKeyListener.getInstance(); 730 mInputType = inputType = EditorInfo.TYPE_CLASS_PHONE; 731 } else if (numeric != 0) { 732 mInput = DigitsKeyListener.getInstance((numeric & SIGNED) != 0, 733 (numeric & DECIMAL) != 0); 734 inputType = EditorInfo.TYPE_CLASS_NUMBER; 735 if ((numeric & SIGNED) != 0) { 736 inputType |= EditorInfo.TYPE_NUMBER_FLAG_SIGNED; 737 } 738 if ((numeric & DECIMAL) != 0) { 739 inputType |= EditorInfo.TYPE_NUMBER_FLAG_DECIMAL; 740 } 741 mInputType = inputType; 742 } else if (autotext || autocap != -1) { 743 TextKeyListener.Capitalize cap; 744 745 inputType = EditorInfo.TYPE_CLASS_TEXT; 746 if (!singleLine) { 747 inputType |= EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 748 } 749 750 switch (autocap) { 751 case 1: 752 cap = TextKeyListener.Capitalize.SENTENCES; 753 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES; 754 break; 755 756 case 2: 757 cap = TextKeyListener.Capitalize.WORDS; 758 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS; 759 break; 760 761 case 3: 762 cap = TextKeyListener.Capitalize.CHARACTERS; 763 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS; 764 break; 765 766 default: 767 cap = TextKeyListener.Capitalize.NONE; 768 break; 769 } 770 771 mInput = TextKeyListener.getInstance(autotext, cap); 772 mInputType = inputType; 773 } else if (editable) { 774 mInput = TextKeyListener.getInstance(); 775 mInputType = EditorInfo.TYPE_CLASS_TEXT; 776 } else { 777 mInput = null; 778 779 switch (buffertype) { 780 case 0: 781 bufferType = BufferType.NORMAL; 782 break; 783 case 1: 784 bufferType = BufferType.SPANNABLE; 785 break; 786 case 2: 787 bufferType = BufferType.EDITABLE; 788 break; 789 } 790 } 791 792 if (password && (mInputType&EditorInfo.TYPE_MASK_CLASS) 793 == EditorInfo.TYPE_CLASS_TEXT) { 794 mInputType = (mInputType & ~(EditorInfo.TYPE_MASK_VARIATION)) 795 | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD; 796 } 797 798 if (selectallonfocus) { 799 mSelectAllOnFocus = true; 800 801 if (bufferType == BufferType.NORMAL) 802 bufferType = BufferType.SPANNABLE; 803 } 804 805 setCompoundDrawablesWithIntrinsicBounds( 806 drawableLeft, drawableTop, drawableRight, drawableBottom); 807 setCompoundDrawablePadding(drawablePadding); 808 809 if (singleLine) { 810 setSingleLine(); 811 812 if (mInput == null && ellipsize < 0) { 813 ellipsize = 3; // END 814 } 815 } 816 817 switch (ellipsize) { 818 case 1: 819 setEllipsize(TextUtils.TruncateAt.START); 820 break; 821 case 2: 822 setEllipsize(TextUtils.TruncateAt.MIDDLE); 823 break; 824 case 3: 825 setEllipsize(TextUtils.TruncateAt.END); 826 break; 827 case 4: 828 setHorizontalFadingEdgeEnabled(true); 829 setEllipsize(TextUtils.TruncateAt.MARQUEE); 830 break; 831 } 832 833 setTextColor(textColor != null ? textColor : ColorStateList.valueOf(0xFF000000)); 834 setHintTextColor(textColorHint); 835 setLinkTextColor(textColorLink); 836 if (textColorHighlight != 0) { 837 setHighlightColor(textColorHighlight); 838 } 839 setRawTextSize(textSize); 840 841 if (password) { 842 setTransformationMethod(PasswordTransformationMethod.getInstance()); 843 typefaceIndex = MONOSPACE; 844 } else if ((mInputType&(EditorInfo.TYPE_MASK_CLASS 845 |EditorInfo.TYPE_MASK_VARIATION)) 846 == (EditorInfo.TYPE_CLASS_TEXT 847 |EditorInfo.TYPE_TEXT_VARIATION_PASSWORD)) { 848 typefaceIndex = MONOSPACE; 849 } 850 851 setTypefaceByIndex(typefaceIndex, styleIndex); 852 853 if (shadowcolor != 0) { 854 setShadowLayer(r, dx, dy, shadowcolor); 855 } 856 857 if (maxlength >= 0) { 858 setFilters(new InputFilter[] { new InputFilter.LengthFilter(maxlength) }); 859 } else { 860 setFilters(NO_FILTERS); 861 } 862 863 setText(text, bufferType); 864 865 /* 866 * Views are not normally focusable unless specified to be. 867 * However, TextViews that have input or movement methods *are* 868 * focusable by default. 869 */ 870 a = context.obtainStyledAttributes(attrs, 871 com.android.internal.R.styleable.View, 872 defStyle, 0); 873 874 boolean focusable = mMovement != null || mInput != null; 875 boolean clickable = focusable; 876 boolean longClickable = focusable; 877 878 n = a.getIndexCount(); 879 for (int i = 0; i < n; i++) { 880 int attr = a.getIndex(i); 881 882 switch (attr) { 883 case com.android.internal.R.styleable.View_focusable: 884 focusable = a.getBoolean(attr, focusable); 885 break; 886 887 case com.android.internal.R.styleable.View_clickable: 888 clickable = a.getBoolean(attr, clickable); 889 break; 890 891 case com.android.internal.R.styleable.View_longClickable: 892 longClickable = a.getBoolean(attr, longClickable); 893 break; 894 } 895 } 896 a.recycle(); 897 898 setFocusable(focusable); 899 setClickable(clickable); 900 setLongClickable(longClickable); 901 } 902 903 private void setTypefaceByIndex(int typefaceIndex, int styleIndex) { 904 Typeface tf = null; 905 switch (typefaceIndex) { 906 case SANS: 907 tf = Typeface.SANS_SERIF; 908 break; 909 910 case SERIF: 911 tf = Typeface.SERIF; 912 break; 913 914 case MONOSPACE: 915 tf = Typeface.MONOSPACE; 916 break; 917 } 918 919 setTypeface(tf, styleIndex); 920 } 921 922 /** 923 * Sets the typeface and style in which the text should be displayed, 924 * and turns on the fake bold and italic bits in the Paint if the 925 * Typeface that you provided does not have all the bits in the 926 * style that you specified. 927 * 928 * @attr ref android.R.styleable#TextView_typeface 929 * @attr ref android.R.styleable#TextView_textStyle 930 */ 931 public void setTypeface(Typeface tf, int style) { 932 if (style > 0) { 933 if (tf == null) { 934 tf = Typeface.defaultFromStyle(style); 935 } else { 936 tf = Typeface.create(tf, style); 937 } 938 939 setTypeface(tf); 940 // now compute what (if any) algorithmic styling is needed 941 int typefaceStyle = tf != null ? tf.getStyle() : 0; 942 int need = style & ~typefaceStyle; 943 mTextPaint.setFakeBoldText((need & Typeface.BOLD) != 0); 944 mTextPaint.setTextSkewX((need & Typeface.ITALIC) != 0 ? -0.25f : 0); 945 } else { 946 mTextPaint.setFakeBoldText(false); 947 mTextPaint.setTextSkewX(0); 948 setTypeface(tf); 949 } 950 } 951 952 /** 953 * Subclasses override this to specify that they have a KeyListener 954 * by default even if not specifically called for in the XML options. 955 */ 956 protected boolean getDefaultEditable() { 957 return false; 958 } 959 960 /** 961 * Subclasses override this to specify a default movement method. 962 */ 963 protected MovementMethod getDefaultMovementMethod() { 964 return null; 965 } 966 967 /** 968 * Return the text the TextView is displaying. If setText() was called with 969 * an argument of BufferType.SPANNABLE or BufferType.EDITABLE, you can cast 970 * the return value from this method to Spannable or Editable, respectively. 971 * 972 * Note: The content of the return value should not be modified. If you want 973 * a modifiable one, you should make your own copy first. 974 */ 975 @ViewDebug.CapturedViewProperty 976 public CharSequence getText() { 977 return mText; 978 } 979 980 /** 981 * Returns the length, in characters, of the text managed by this TextView 982 */ 983 public int length() { 984 return mText.length(); 985 } 986 987 /** 988 * Return the text the TextView is displaying as an Editable object. If 989 * the text is not editable, null is returned. 990 * 991 * @see #getText 992 */ 993 public Editable getEditableText() { 994 return (mText instanceof Editable) ? (Editable)mText : null; 995 } 996 997 /** 998 * @return the height of one standard line in pixels. Note that markup 999 * within the text can cause individual lines to be taller or shorter 1000 * than this height, and the layout may contain additional first- 1001 * or last-line padding. 1002 */ 1003 public int getLineHeight() { 1004 return FastMath.round(mTextPaint.getFontMetricsInt(null) * mSpacingMult 1005 + mSpacingAdd); 1006 } 1007 1008 /** 1009 * @return the Layout that is currently being used to display the text. 1010 * This can be null if the text or width has recently changes. 1011 */ 1012 public final Layout getLayout() { 1013 return mLayout; 1014 } 1015 1016 /** 1017 * @return the current key listener for this TextView. 1018 * This will frequently be null for non-EditText TextViews. 1019 */ 1020 public final KeyListener getKeyListener() { 1021 return mInput; 1022 } 1023 1024 /** 1025 * Sets the key listener to be used with this TextView. This can be null 1026 * to disallow user input. Note that this method has significant and 1027 * subtle interactions with soft keyboards and other input method: 1028 * see {@link KeyListener#getInputType() KeyListener.getContentType()} 1029 * for important details. Calling this method will replace the current 1030 * content type of the text view with the content type returned by the 1031 * key listener. 1032 * <p> 1033 * Be warned that if you want a TextView with a key listener or movement 1034 * method not to be focusable, or if you want a TextView without a 1035 * key listener or movement method to be focusable, you must call 1036 * {@link #setFocusable} again after calling this to get the focusability 1037 * back the way you want it. 1038 * 1039 * @attr ref android.R.styleable#TextView_numeric 1040 * @attr ref android.R.styleable#TextView_digits 1041 * @attr ref android.R.styleable#TextView_phoneNumber 1042 * @attr ref android.R.styleable#TextView_inputMethod 1043 * @attr ref android.R.styleable#TextView_capitalize 1044 * @attr ref android.R.styleable#TextView_autoText 1045 */ 1046 public void setKeyListener(KeyListener input) { 1047 setKeyListenerOnly(input); 1048 fixFocusableAndClickableSettings(); 1049 1050 if (input != null) { 1051 try { 1052 mInputType = mInput.getInputType(); 1053 } catch (IncompatibleClassChangeError e) { 1054 mInputType = EditorInfo.TYPE_CLASS_TEXT; 1055 } 1056 if ((mInputType&EditorInfo.TYPE_MASK_CLASS) 1057 == EditorInfo.TYPE_CLASS_TEXT) { 1058 if (mSingleLine) { 1059 mInputType &= ~EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 1060 } else { 1061 mInputType |= EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 1062 } 1063 } 1064 } else { 1065 mInputType = EditorInfo.TYPE_NULL; 1066 } 1067 1068 InputMethodManager imm = InputMethodManager.peekInstance(); 1069 if (imm != null) imm.restartInput(this); 1070 } 1071 1072 private void setKeyListenerOnly(KeyListener input) { 1073 mInput = input; 1074 if (mInput != null && !(mText instanceof Editable)) 1075 setText(mText); 1076 1077 setFilters((Editable) mText, mFilters); 1078 } 1079 1080 /** 1081 * @return the movement method being used for this TextView. 1082 * This will frequently be null for non-EditText TextViews. 1083 */ 1084 public final MovementMethod getMovementMethod() { 1085 return mMovement; 1086 } 1087 1088 /** 1089 * Sets the movement method (arrow key handler) to be used for 1090 * this TextView. This can be null to disallow using the arrow keys 1091 * to move the cursor or scroll the view. 1092 * <p> 1093 * Be warned that if you want a TextView with a key listener or movement 1094 * method not to be focusable, or if you want a TextView without a 1095 * key listener or movement method to be focusable, you must call 1096 * {@link #setFocusable} again after calling this to get the focusability 1097 * back the way you want it. 1098 */ 1099 public final void setMovementMethod(MovementMethod movement) { 1100 mMovement = movement; 1101 1102 if (mMovement != null && !(mText instanceof Spannable)) 1103 setText(mText); 1104 1105 fixFocusableAndClickableSettings(); 1106 } 1107 1108 private void fixFocusableAndClickableSettings() { 1109 if ((mMovement != null) || mInput != null) { 1110 setFocusable(true); 1111 setClickable(true); 1112 setLongClickable(true); 1113 } else { 1114 setFocusable(false); 1115 setClickable(false); 1116 setLongClickable(false); 1117 } 1118 } 1119 1120 /** 1121 * @return the current transformation method for this TextView. 1122 * This will frequently be null except for single-line and password 1123 * fields. 1124 */ 1125 public final TransformationMethod getTransformationMethod() { 1126 return mTransformation; 1127 } 1128 1129 /** 1130 * Sets the transformation that is applied to the text that this 1131 * TextView is displaying. 1132 * 1133 * @attr ref android.R.styleable#TextView_password 1134 * @attr ref android.R.styleable#TextView_singleLine 1135 */ 1136 public final void setTransformationMethod(TransformationMethod method) { 1137 if (method == mTransformation) { 1138 // Avoid the setText() below if the transformation is 1139 // the same. 1140 return; 1141 } 1142 if (mTransformation != null) { 1143 if (mText instanceof Spannable) { 1144 ((Spannable) mText).removeSpan(mTransformation); 1145 } 1146 } 1147 1148 mTransformation = method; 1149 1150 setText(mText); 1151 } 1152 1153 /** 1154 * Returns the top padding of the view, plus space for the top 1155 * Drawable if any. 1156 */ 1157 public int getCompoundPaddingTop() { 1158 final Drawables dr = mDrawables; 1159 if (dr == null || dr.mDrawableTop == null) { 1160 return mPaddingTop; 1161 } else { 1162 return mPaddingTop + dr.mDrawablePadding + dr.mDrawableSizeTop; 1163 } 1164 } 1165 1166 /** 1167 * Returns the bottom padding of the view, plus space for the bottom 1168 * Drawable if any. 1169 */ 1170 public int getCompoundPaddingBottom() { 1171 final Drawables dr = mDrawables; 1172 if (dr == null || dr.mDrawableBottom == null) { 1173 return mPaddingBottom; 1174 } else { 1175 return mPaddingBottom + dr.mDrawablePadding + dr.mDrawableSizeBottom; 1176 } 1177 } 1178 1179 /** 1180 * Returns the left padding of the view, plus space for the left 1181 * Drawable if any. 1182 */ 1183 public int getCompoundPaddingLeft() { 1184 final Drawables dr = mDrawables; 1185 if (dr == null || dr.mDrawableLeft == null) { 1186 return mPaddingLeft; 1187 } else { 1188 return mPaddingLeft + dr.mDrawablePadding + dr.mDrawableSizeLeft; 1189 } 1190 } 1191 1192 /** 1193 * Returns the right padding of the view, plus space for the right 1194 * Drawable if any. 1195 */ 1196 public int getCompoundPaddingRight() { 1197 final Drawables dr = mDrawables; 1198 if (dr == null || dr.mDrawableRight == null) { 1199 return mPaddingRight; 1200 } else { 1201 return mPaddingRight + dr.mDrawablePadding + dr.mDrawableSizeRight; 1202 } 1203 } 1204 1205 /** 1206 * Returns the extended top padding of the view, including both the 1207 * top Drawable if any and any extra space to keep more than maxLines 1208 * of text from showing. It is only valid to call this after measuring. 1209 */ 1210 public int getExtendedPaddingTop() { 1211 if (mMaxMode != LINES) { 1212 return getCompoundPaddingTop(); 1213 } 1214 1215 if (mLayout.getLineCount() <= mMaximum) { 1216 return getCompoundPaddingTop(); 1217 } 1218 1219 int top = getCompoundPaddingTop(); 1220 int bottom = getCompoundPaddingBottom(); 1221 int viewht = getHeight() - top - bottom; 1222 int layoutht = mLayout.getLineTop(mMaximum); 1223 1224 if (layoutht >= viewht) { 1225 return top; 1226 } 1227 1228 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 1229 if (gravity == Gravity.TOP) { 1230 return top; 1231 } else if (gravity == Gravity.BOTTOM) { 1232 return top + viewht - layoutht; 1233 } else { // (gravity == Gravity.CENTER_VERTICAL) 1234 return top + (viewht - layoutht) / 2; 1235 } 1236 } 1237 1238 /** 1239 * Returns the extended bottom padding of the view, including both the 1240 * bottom Drawable if any and any extra space to keep more than maxLines 1241 * of text from showing. It is only valid to call this after measuring. 1242 */ 1243 public int getExtendedPaddingBottom() { 1244 if (mMaxMode != LINES) { 1245 return getCompoundPaddingBottom(); 1246 } 1247 1248 if (mLayout.getLineCount() <= mMaximum) { 1249 return getCompoundPaddingBottom(); 1250 } 1251 1252 int top = getCompoundPaddingTop(); 1253 int bottom = getCompoundPaddingBottom(); 1254 int viewht = getHeight() - top - bottom; 1255 int layoutht = mLayout.getLineTop(mMaximum); 1256 1257 if (layoutht >= viewht) { 1258 return bottom; 1259 } 1260 1261 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 1262 if (gravity == Gravity.TOP) { 1263 return bottom + viewht - layoutht; 1264 } else if (gravity == Gravity.BOTTOM) { 1265 return bottom; 1266 } else { // (gravity == Gravity.CENTER_VERTICAL) 1267 return bottom + (viewht - layoutht) / 2; 1268 } 1269 } 1270 1271 /** 1272 * Returns the total left padding of the view, including the left 1273 * Drawable if any. 1274 */ 1275 public int getTotalPaddingLeft() { 1276 return getCompoundPaddingLeft(); 1277 } 1278 1279 /** 1280 * Returns the total right padding of the view, including the right 1281 * Drawable if any. 1282 */ 1283 public int getTotalPaddingRight() { 1284 return getCompoundPaddingRight(); 1285 } 1286 1287 /** 1288 * Returns the total top padding of the view, including the top 1289 * Drawable if any, the extra space to keep more than maxLines 1290 * from showing, and the vertical offset for gravity, if any. 1291 */ 1292 public int getTotalPaddingTop() { 1293 return getExtendedPaddingTop() + getVerticalOffset(true); 1294 } 1295 1296 /** 1297 * Returns the total bottom padding of the view, including the bottom 1298 * Drawable if any, the extra space to keep more than maxLines 1299 * from showing, and the vertical offset for gravity, if any. 1300 */ 1301 public int getTotalPaddingBottom() { 1302 return getExtendedPaddingBottom() + getBottomVerticalOffset(true); 1303 } 1304 1305 /** 1306 * Sets the Drawables (if any) to appear to the left of, above, 1307 * to the right of, and below the text. Use null if you do not 1308 * want a Drawable there. The Drawables must already have had 1309 * {@link Drawable#setBounds} called. 1310 * 1311 * @attr ref android.R.styleable#TextView_drawableLeft 1312 * @attr ref android.R.styleable#TextView_drawableTop 1313 * @attr ref android.R.styleable#TextView_drawableRight 1314 * @attr ref android.R.styleable#TextView_drawableBottom 1315 */ 1316 public void setCompoundDrawables(Drawable left, Drawable top, 1317 Drawable right, Drawable bottom) { 1318 Drawables dr = mDrawables; 1319 1320 final boolean drawables = left != null || top != null 1321 || right != null || bottom != null; 1322 1323 if (!drawables) { 1324 // Clearing drawables... can we free the data structure? 1325 if (dr != null) { 1326 if (dr.mDrawablePadding == 0) { 1327 mDrawables = null; 1328 } else { 1329 // We need to retain the last set padding, so just clear 1330 // out all of the fields in the existing structure. 1331 dr.mDrawableLeft = null; 1332 dr.mDrawableTop = null; 1333 dr.mDrawableRight = null; 1334 dr.mDrawableBottom = null; 1335 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 1336 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 1337 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 1338 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 1339 } 1340 } 1341 } else { 1342 if (dr == null) { 1343 mDrawables = dr = new Drawables(); 1344 } 1345 1346 dr.mDrawableLeft = left; 1347 dr.mDrawableTop = top; 1348 dr.mDrawableRight = right; 1349 dr.mDrawableBottom = bottom; 1350 1351 final Rect compoundRect = dr.mCompoundRect; 1352 int[] state = null; 1353 1354 state = getDrawableState(); 1355 1356 if (left != null) { 1357 left.setState(state); 1358 left.copyBounds(compoundRect); 1359 dr.mDrawableSizeLeft = compoundRect.width(); 1360 dr.mDrawableHeightLeft = compoundRect.height(); 1361 } else { 1362 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 1363 } 1364 1365 if (right != null) { 1366 right.setState(state); 1367 right.copyBounds(compoundRect); 1368 dr.mDrawableSizeRight = compoundRect.width(); 1369 dr.mDrawableHeightRight = compoundRect.height(); 1370 } else { 1371 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 1372 } 1373 1374 if (top != null) { 1375 top.setState(state); 1376 top.copyBounds(compoundRect); 1377 dr.mDrawableSizeTop = compoundRect.height(); 1378 dr.mDrawableWidthTop = compoundRect.width(); 1379 } else { 1380 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 1381 } 1382 1383 if (bottom != null) { 1384 bottom.setState(state); 1385 bottom.copyBounds(compoundRect); 1386 dr.mDrawableSizeBottom = compoundRect.height(); 1387 dr.mDrawableWidthBottom = compoundRect.width(); 1388 } else { 1389 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 1390 } 1391 } 1392 1393 invalidate(); 1394 requestLayout(); 1395 } 1396 1397 /** 1398 * Sets the Drawables (if any) to appear to the left of, above, 1399 * to the right of, and below the text. Use 0 if you do not 1400 * want a Drawable there. The Drawables' bounds will be set to 1401 * their intrinsic bounds. 1402 * 1403 * @param left Resource identifier of the left Drawable. 1404 * @param top Resource identifier of the top Drawable. 1405 * @param right Resource identifier of the right Drawable. 1406 * @param bottom Resource identifier of the bottom Drawable. 1407 * 1408 * @attr ref android.R.styleable#TextView_drawableLeft 1409 * @attr ref android.R.styleable#TextView_drawableTop 1410 * @attr ref android.R.styleable#TextView_drawableRight 1411 * @attr ref android.R.styleable#TextView_drawableBottom 1412 */ 1413 public void setCompoundDrawablesWithIntrinsicBounds(int left, int top, int right, int bottom) { 1414 final Resources resources = getContext().getResources(); 1415 setCompoundDrawablesWithIntrinsicBounds(left != 0 ? resources.getDrawable(left) : null, 1416 top != 0 ? resources.getDrawable(top) : null, 1417 right != 0 ? resources.getDrawable(right) : null, 1418 bottom != 0 ? resources.getDrawable(bottom) : null); 1419 } 1420 1421 /** 1422 * Sets the Drawables (if any) to appear to the left of, above, 1423 * to the right of, and below the text. Use null if you do not 1424 * want a Drawable there. The Drawables' bounds will be set to 1425 * their intrinsic bounds. 1426 * 1427 * @attr ref android.R.styleable#TextView_drawableLeft 1428 * @attr ref android.R.styleable#TextView_drawableTop 1429 * @attr ref android.R.styleable#TextView_drawableRight 1430 * @attr ref android.R.styleable#TextView_drawableBottom 1431 */ 1432 public void setCompoundDrawablesWithIntrinsicBounds(Drawable left, Drawable top, 1433 Drawable right, Drawable bottom) { 1434 1435 if (left != null) { 1436 left.setBounds(0, 0, left.getIntrinsicWidth(), left.getIntrinsicHeight()); 1437 } 1438 if (right != null) { 1439 right.setBounds(0, 0, right.getIntrinsicWidth(), right.getIntrinsicHeight()); 1440 } 1441 if (top != null) { 1442 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 1443 } 1444 if (bottom != null) { 1445 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 1446 } 1447 setCompoundDrawables(left, top, right, bottom); 1448 } 1449 1450 /** 1451 * Returns drawables for the left, top, right, and bottom borders. 1452 */ 1453 public Drawable[] getCompoundDrawables() { 1454 final Drawables dr = mDrawables; 1455 if (dr != null) { 1456 return new Drawable[] { 1457 dr.mDrawableLeft, dr.mDrawableTop, dr.mDrawableRight, dr.mDrawableBottom 1458 }; 1459 } else { 1460 return new Drawable[] { null, null, null, null }; 1461 } 1462 } 1463 1464 /** 1465 * Sets the size of the padding between the compound drawables and 1466 * the text. 1467 * 1468 * @attr ref android.R.styleable#TextView_drawablePadding 1469 */ 1470 public void setCompoundDrawablePadding(int pad) { 1471 Drawables dr = mDrawables; 1472 if (pad == 0) { 1473 if (dr != null) { 1474 dr.mDrawablePadding = pad; 1475 } 1476 } else { 1477 if (dr == null) { 1478 mDrawables = dr = new Drawables(); 1479 } 1480 dr.mDrawablePadding = pad; 1481 } 1482 1483 invalidate(); 1484 requestLayout(); 1485 } 1486 1487 /** 1488 * Returns the padding between the compound drawables and the text. 1489 */ 1490 public int getCompoundDrawablePadding() { 1491 final Drawables dr = mDrawables; 1492 return dr != null ? dr.mDrawablePadding : 0; 1493 } 1494 1495 @Override 1496 public void setPadding(int left, int top, int right, int bottom) { 1497 if (left != mPaddingLeft || 1498 right != mPaddingRight || 1499 top != mPaddingTop || 1500 bottom != mPaddingBottom) { 1501 nullLayouts(); 1502 } 1503 1504 // the super call will requestLayout() 1505 super.setPadding(left, top, right, bottom); 1506 invalidate(); 1507 } 1508 1509 /** 1510 * Gets the autolink mask of the text. See {@link 1511 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 1512 * possible values. 1513 * 1514 * @attr ref android.R.styleable#TextView_autoLink 1515 */ 1516 public final int getAutoLinkMask() { 1517 return mAutoLinkMask; 1518 } 1519 1520 /** 1521 * Sets the text color, size, style, hint color, and highlight color 1522 * from the specified TextAppearance resource. 1523 */ 1524 public void setTextAppearance(Context context, int resid) { 1525 TypedArray appearance = 1526 context.obtainStyledAttributes(resid, 1527 com.android.internal.R.styleable.TextAppearance); 1528 1529 int color; 1530 ColorStateList colors; 1531 int ts; 1532 1533 color = appearance.getColor(com.android.internal.R.styleable.TextAppearance_textColorHighlight, 0); 1534 if (color != 0) { 1535 setHighlightColor(color); 1536 } 1537 1538 colors = appearance.getColorStateList(com.android.internal.R.styleable. 1539 TextAppearance_textColor); 1540 if (colors != null) { 1541 setTextColor(colors); 1542 } 1543 1544 ts = appearance.getDimensionPixelSize(com.android.internal.R.styleable. 1545 TextAppearance_textSize, 0); 1546 if (ts != 0) { 1547 setRawTextSize(ts); 1548 } 1549 1550 colors = appearance.getColorStateList(com.android.internal.R.styleable. 1551 TextAppearance_textColorHint); 1552 if (colors != null) { 1553 setHintTextColor(colors); 1554 } 1555 1556 colors = appearance.getColorStateList(com.android.internal.R.styleable. 1557 TextAppearance_textColorLink); 1558 if (colors != null) { 1559 setLinkTextColor(colors); 1560 } 1561 1562 int typefaceIndex, styleIndex; 1563 1564 typefaceIndex = appearance.getInt(com.android.internal.R.styleable. 1565 TextAppearance_typeface, -1); 1566 styleIndex = appearance.getInt(com.android.internal.R.styleable. 1567 TextAppearance_textStyle, -1); 1568 1569 setTypefaceByIndex(typefaceIndex, styleIndex); 1570 appearance.recycle(); 1571 } 1572 1573 /** 1574 * @return the size (in pixels) of the default text size in this TextView. 1575 */ 1576 public float getTextSize() { 1577 return mTextPaint.getTextSize(); 1578 } 1579 1580 /** 1581 * Set the default text size to the given value, interpreted as "scaled 1582 * pixel" units. This size is adjusted based on the current density and 1583 * user font size preference. 1584 * 1585 * @param size The scaled pixel size. 1586 * 1587 * @attr ref android.R.styleable#TextView_textSize 1588 */ 1589 @android.view.RemotableViewMethod 1590 public void setTextSize(float size) { 1591 setTextSize(TypedValue.COMPLEX_UNIT_SP, size); 1592 } 1593 1594 /** 1595 * Set the default text size to a given unit and value. See {@link 1596 * TypedValue} for the possible dimension units. 1597 * 1598 * @param unit The desired dimension unit. 1599 * @param size The desired size in the given units. 1600 * 1601 * @attr ref android.R.styleable#TextView_textSize 1602 */ 1603 public void setTextSize(int unit, float size) { 1604 Context c = getContext(); 1605 Resources r; 1606 1607 if (c == null) 1608 r = Resources.getSystem(); 1609 else 1610 r = c.getResources(); 1611 1612 setRawTextSize(TypedValue.applyDimension( 1613 unit, size, r.getDisplayMetrics())); 1614 } 1615 1616 private void setRawTextSize(float size) { 1617 if (size != mTextPaint.getTextSize()) { 1618 mTextPaint.setTextSize(size); 1619 1620 if (mLayout != null) { 1621 nullLayouts(); 1622 requestLayout(); 1623 invalidate(); 1624 } 1625 } 1626 } 1627 1628 /** 1629 * @return the extent by which text is currently being stretched 1630 * horizontally. This will usually be 1. 1631 */ 1632 public float getTextScaleX() { 1633 return mTextPaint.getTextScaleX(); 1634 } 1635 1636 /** 1637 * Sets the extent by which text should be stretched horizontally. 1638 * 1639 * @attr ref android.R.styleable#TextView_textScaleX 1640 */ 1641 @android.view.RemotableViewMethod 1642 public void setTextScaleX(float size) { 1643 if (size != mTextPaint.getTextScaleX()) { 1644 mUserSetTextScaleX = true; 1645 mTextPaint.setTextScaleX(size); 1646 1647 if (mLayout != null) { 1648 nullLayouts(); 1649 requestLayout(); 1650 invalidate(); 1651 } 1652 } 1653 } 1654 1655 /** 1656 * Sets the typeface and style in which the text should be displayed. 1657 * Note that not all Typeface families actually have bold and italic 1658 * variants, so you may need to use 1659 * {@link #setTypeface(Typeface, int)} to get the appearance 1660 * that you actually want. 1661 * 1662 * @attr ref android.R.styleable#TextView_typeface 1663 * @attr ref android.R.styleable#TextView_textStyle 1664 */ 1665 public void setTypeface(Typeface tf) { 1666 if (mTextPaint.getTypeface() != tf) { 1667 mTextPaint.setTypeface(tf); 1668 1669 if (mLayout != null) { 1670 nullLayouts(); 1671 requestLayout(); 1672 invalidate(); 1673 } 1674 } 1675 } 1676 1677 /** 1678 * @return the current typeface and style in which the text is being 1679 * displayed. 1680 */ 1681 public Typeface getTypeface() { 1682 return mTextPaint.getTypeface(); 1683 } 1684 1685 /** 1686 * Sets the text color for all the states (normal, selected, 1687 * focused) to be this color. 1688 * 1689 * @attr ref android.R.styleable#TextView_textColor 1690 */ 1691 @android.view.RemotableViewMethod 1692 public void setTextColor(int color) { 1693 mTextColor = ColorStateList.valueOf(color); 1694 updateTextColors(); 1695 } 1696 1697 /** 1698 * Sets the text color. 1699 * 1700 * @attr ref android.R.styleable#TextView_textColor 1701 */ 1702 public void setTextColor(ColorStateList colors) { 1703 if (colors == null) { 1704 throw new NullPointerException(); 1705 } 1706 1707 mTextColor = colors; 1708 updateTextColors(); 1709 } 1710 1711 /** 1712 * Return the set of text colors. 1713 * 1714 * @return Returns the set of text colors. 1715 */ 1716 public final ColorStateList getTextColors() { 1717 return mTextColor; 1718 } 1719 1720 /** 1721 * <p>Return the current color selected for normal text.</p> 1722 * 1723 * @return Returns the current text color. 1724 */ 1725 public final int getCurrentTextColor() { 1726 return mCurTextColor; 1727 } 1728 1729 /** 1730 * Sets the color used to display the selection highlight. 1731 * 1732 * @attr ref android.R.styleable#TextView_textColorHighlight 1733 */ 1734 @android.view.RemotableViewMethod 1735 public void setHighlightColor(int color) { 1736 if (mHighlightColor != color) { 1737 mHighlightColor = color; 1738 invalidate(); 1739 } 1740 } 1741 1742 /** 1743 * Gives the text a shadow of the specified radius and color, the specified 1744 * distance from its normal position. 1745 * 1746 * @attr ref android.R.styleable#TextView_shadowColor 1747 * @attr ref android.R.styleable#TextView_shadowDx 1748 * @attr ref android.R.styleable#TextView_shadowDy 1749 * @attr ref android.R.styleable#TextView_shadowRadius 1750 */ 1751 public void setShadowLayer(float radius, float dx, float dy, int color) { 1752 mTextPaint.setShadowLayer(radius, dx, dy, color); 1753 1754 mShadowRadius = radius; 1755 mShadowDx = dx; 1756 mShadowDy = dy; 1757 1758 invalidate(); 1759 } 1760 1761 /** 1762 * @return the base paint used for the text. Please use this only to 1763 * consult the Paint's properties and not to change them. 1764 */ 1765 public TextPaint getPaint() { 1766 return mTextPaint; 1767 } 1768 1769 /** 1770 * Sets the autolink mask of the text. See {@link 1771 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 1772 * possible values. 1773 * 1774 * @attr ref android.R.styleable#TextView_autoLink 1775 */ 1776 @android.view.RemotableViewMethod 1777 public final void setAutoLinkMask(int mask) { 1778 mAutoLinkMask = mask; 1779 } 1780 1781 /** 1782 * Sets whether the movement method will automatically be set to 1783 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 1784 * set to nonzero and links are detected in {@link #setText}. 1785 * The default is true. 1786 * 1787 * @attr ref android.R.styleable#TextView_linksClickable 1788 */ 1789 @android.view.RemotableViewMethod 1790 public final void setLinksClickable(boolean whether) { 1791 mLinksClickable = whether; 1792 } 1793 1794 /** 1795 * Returns whether the movement method will automatically be set to 1796 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 1797 * set to nonzero and links are detected in {@link #setText}. 1798 * The default is true. 1799 * 1800 * @attr ref android.R.styleable#TextView_linksClickable 1801 */ 1802 public final boolean getLinksClickable() { 1803 return mLinksClickable; 1804 } 1805 1806 /** 1807 * Returns the list of URLSpans attached to the text 1808 * (by {@link Linkify} or otherwise) if any. You can call 1809 * {@link URLSpan#getURL} on them to find where they link to 1810 * or use {@link Spanned#getSpanStart} and {@link Spanned#getSpanEnd} 1811 * to find the region of the text they are attached to. 1812 */ 1813 public URLSpan[] getUrls() { 1814 if (mText instanceof Spanned) { 1815 return ((Spanned) mText).getSpans(0, mText.length(), URLSpan.class); 1816 } else { 1817 return new URLSpan[0]; 1818 } 1819 } 1820 1821 /** 1822 * Sets the color of the hint text. 1823 * 1824 * @attr ref android.R.styleable#TextView_textColorHint 1825 */ 1826 @android.view.RemotableViewMethod 1827 public final void setHintTextColor(int color) { 1828 mHintTextColor = ColorStateList.valueOf(color); 1829 updateTextColors(); 1830 } 1831 1832 /** 1833 * Sets the color of the hint text. 1834 * 1835 * @attr ref android.R.styleable#TextView_textColorHint 1836 */ 1837 public final void setHintTextColor(ColorStateList colors) { 1838 mHintTextColor = colors; 1839 updateTextColors(); 1840 } 1841 1842 /** 1843 * <p>Return the color used to paint the hint text.</p> 1844 * 1845 * @return Returns the list of hint text colors. 1846 */ 1847 public final ColorStateList getHintTextColors() { 1848 return mHintTextColor; 1849 } 1850 1851 /** 1852 * <p>Return the current color selected to paint the hint text.</p> 1853 * 1854 * @return Returns the current hint text color. 1855 */ 1856 public final int getCurrentHintTextColor() { 1857 return mHintTextColor != null ? mCurHintTextColor : mCurTextColor; 1858 } 1859 1860 /** 1861 * Sets the color of links in the text. 1862 * 1863 * @attr ref android.R.styleable#TextView_textColorLink 1864 */ 1865 @android.view.RemotableViewMethod 1866 public final void setLinkTextColor(int color) { 1867 mLinkTextColor = ColorStateList.valueOf(color); 1868 updateTextColors(); 1869 } 1870 1871 /** 1872 * Sets the color of links in the text. 1873 * 1874 * @attr ref android.R.styleable#TextView_textColorLink 1875 */ 1876 public final void setLinkTextColor(ColorStateList colors) { 1877 mLinkTextColor = colors; 1878 updateTextColors(); 1879 } 1880 1881 /** 1882 * <p>Returns the color used to paint links in the text.</p> 1883 * 1884 * @return Returns the list of link text colors. 1885 */ 1886 public final ColorStateList getLinkTextColors() { 1887 return mLinkTextColor; 1888 } 1889 1890 /** 1891 * Sets the horizontal alignment of the text and the 1892 * vertical gravity that will be used when there is extra space 1893 * in the TextView beyond what is required for the text itself. 1894 * 1895 * @see android.view.Gravity 1896 * @attr ref android.R.styleable#TextView_gravity 1897 */ 1898 public void setGravity(int gravity) { 1899 if ((gravity & Gravity.HORIZONTAL_GRAVITY_MASK) == 0) { 1900 gravity |= Gravity.LEFT; 1901 } 1902 if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == 0) { 1903 gravity |= Gravity.TOP; 1904 } 1905 1906 boolean newLayout = false; 1907 1908 if ((gravity & Gravity.HORIZONTAL_GRAVITY_MASK) != 1909 (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK)) { 1910 newLayout = true; 1911 } 1912 1913 if (gravity != mGravity) { 1914 invalidate(); 1915 } 1916 1917 mGravity = gravity; 1918 1919 if (mLayout != null && newLayout) { 1920 // XXX this is heavy-handed because no actual content changes. 1921 int want = mLayout.getWidth(); 1922 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 1923 1924 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 1925 mRight - mLeft - getCompoundPaddingLeft() - 1926 getCompoundPaddingRight(), true); 1927 } 1928 } 1929 1930 /** 1931 * Returns the horizontal and vertical alignment of this TextView. 1932 * 1933 * @see android.view.Gravity 1934 * @attr ref android.R.styleable#TextView_gravity 1935 */ 1936 public int getGravity() { 1937 return mGravity; 1938 } 1939 1940 /** 1941 * @return the flags on the Paint being used to display the text. 1942 * @see Paint#getFlags 1943 */ 1944 public int getPaintFlags() { 1945 return mTextPaint.getFlags(); 1946 } 1947 1948 /** 1949 * Sets flags on the Paint being used to display the text and 1950 * reflows the text if they are different from the old flags. 1951 * @see Paint#setFlags 1952 */ 1953 @android.view.RemotableViewMethod 1954 public void setPaintFlags(int flags) { 1955 if (mTextPaint.getFlags() != flags) { 1956 mTextPaint.setFlags(flags); 1957 1958 if (mLayout != null) { 1959 nullLayouts(); 1960 requestLayout(); 1961 invalidate(); 1962 } 1963 } 1964 } 1965 1966 /** 1967 * Sets whether the text should be allowed to be wider than the 1968 * View is. If false, it will be wrapped to the width of the View. 1969 * 1970 * @attr ref android.R.styleable#TextView_scrollHorizontally 1971 */ 1972 public void setHorizontallyScrolling(boolean whether) { 1973 mHorizontallyScrolling = whether; 1974 1975 if (mLayout != null) { 1976 nullLayouts(); 1977 requestLayout(); 1978 invalidate(); 1979 } 1980 } 1981 1982 /** 1983 * Makes the TextView at least this many lines tall 1984 * 1985 * @attr ref android.R.styleable#TextView_minLines 1986 */ 1987 @android.view.RemotableViewMethod 1988 public void setMinLines(int minlines) { 1989 mMinimum = minlines; 1990 mMinMode = LINES; 1991 1992 requestLayout(); 1993 invalidate(); 1994 } 1995 1996 /** 1997 * Makes the TextView at least this many pixels tall 1998 * 1999 * @attr ref android.R.styleable#TextView_minHeight 2000 */ 2001 @android.view.RemotableViewMethod 2002 public void setMinHeight(int minHeight) { 2003 mMinimum = minHeight; 2004 mMinMode = PIXELS; 2005 2006 requestLayout(); 2007 invalidate(); 2008 } 2009 2010 /** 2011 * Makes the TextView at most this many lines tall 2012 * 2013 * @attr ref android.R.styleable#TextView_maxLines 2014 */ 2015 @android.view.RemotableViewMethod 2016 public void setMaxLines(int maxlines) { 2017 mMaximum = maxlines; 2018 mMaxMode = LINES; 2019 2020 requestLayout(); 2021 invalidate(); 2022 } 2023 2024 /** 2025 * Makes the TextView at most this many pixels tall 2026 * 2027 * @attr ref android.R.styleable#TextView_maxHeight 2028 */ 2029 @android.view.RemotableViewMethod 2030 public void setMaxHeight(int maxHeight) { 2031 mMaximum = maxHeight; 2032 mMaxMode = PIXELS; 2033 2034 requestLayout(); 2035 invalidate(); 2036 } 2037 2038 /** 2039 * Makes the TextView exactly this many lines tall 2040 * 2041 * @attr ref android.R.styleable#TextView_lines 2042 */ 2043 @android.view.RemotableViewMethod 2044 public void setLines(int lines) { 2045 mMaximum = mMinimum = lines; 2046 mMaxMode = mMinMode = LINES; 2047 2048 requestLayout(); 2049 invalidate(); 2050 } 2051 2052 /** 2053 * Makes the TextView exactly this many pixels tall. 2054 * You could do the same thing by specifying this number in the 2055 * LayoutParams. 2056 * 2057 * @attr ref android.R.styleable#TextView_height 2058 */ 2059 @android.view.RemotableViewMethod 2060 public void setHeight(int pixels) { 2061 mMaximum = mMinimum = pixels; 2062 mMaxMode = mMinMode = PIXELS; 2063 2064 requestLayout(); 2065 invalidate(); 2066 } 2067 2068 /** 2069 * Makes the TextView at least this many ems wide 2070 * 2071 * @attr ref android.R.styleable#TextView_minEms 2072 */ 2073 @android.view.RemotableViewMethod 2074 public void setMinEms(int minems) { 2075 mMinWidth = minems; 2076 mMinWidthMode = EMS; 2077 2078 requestLayout(); 2079 invalidate(); 2080 } 2081 2082 /** 2083 * Makes the TextView at least this many pixels wide 2084 * 2085 * @attr ref android.R.styleable#TextView_minWidth 2086 */ 2087 @android.view.RemotableViewMethod 2088 public void setMinWidth(int minpixels) { 2089 mMinWidth = minpixels; 2090 mMinWidthMode = PIXELS; 2091 2092 requestLayout(); 2093 invalidate(); 2094 } 2095 2096 /** 2097 * Makes the TextView at most this many ems wide 2098 * 2099 * @attr ref android.R.styleable#TextView_maxEms 2100 */ 2101 @android.view.RemotableViewMethod 2102 public void setMaxEms(int maxems) { 2103 mMaxWidth = maxems; 2104 mMaxWidthMode = EMS; 2105 2106 requestLayout(); 2107 invalidate(); 2108 } 2109 2110 /** 2111 * Makes the TextView at most this many pixels wide 2112 * 2113 * @attr ref android.R.styleable#TextView_maxWidth 2114 */ 2115 @android.view.RemotableViewMethod 2116 public void setMaxWidth(int maxpixels) { 2117 mMaxWidth = maxpixels; 2118 mMaxWidthMode = PIXELS; 2119 2120 requestLayout(); 2121 invalidate(); 2122 } 2123 2124 /** 2125 * Makes the TextView exactly this many ems wide 2126 * 2127 * @attr ref android.R.styleable#TextView_ems 2128 */ 2129 @android.view.RemotableViewMethod 2130 public void setEms(int ems) { 2131 mMaxWidth = mMinWidth = ems; 2132 mMaxWidthMode = mMinWidthMode = EMS; 2133 2134 requestLayout(); 2135 invalidate(); 2136 } 2137 2138 /** 2139 * Makes the TextView exactly this many pixels wide. 2140 * You could do the same thing by specifying this number in the 2141 * LayoutParams. 2142 * 2143 * @attr ref android.R.styleable#TextView_width 2144 */ 2145 @android.view.RemotableViewMethod 2146 public void setWidth(int pixels) { 2147 mMaxWidth = mMinWidth = pixels; 2148 mMaxWidthMode = mMinWidthMode = PIXELS; 2149 2150 requestLayout(); 2151 invalidate(); 2152 } 2153 2154 2155 /** 2156 * Sets line spacing for this TextView. Each line will have its height 2157 * multiplied by <code>mult</code> and have <code>add</code> added to it. 2158 * 2159 * @attr ref android.R.styleable#TextView_lineSpacingExtra 2160 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 2161 */ 2162 public void setLineSpacing(float add, float mult) { 2163 mSpacingMult = mult; 2164 mSpacingAdd = add; 2165 2166 if (mLayout != null) { 2167 nullLayouts(); 2168 requestLayout(); 2169 invalidate(); 2170 } 2171 } 2172 2173 /** 2174 * Convenience method: Append the specified text to the TextView's 2175 * display buffer, upgrading it to BufferType.EDITABLE if it was 2176 * not already editable. 2177 */ 2178 public final void append(CharSequence text) { 2179 append(text, 0, text.length()); 2180 } 2181 2182 /** 2183 * Convenience method: Append the specified text slice to the TextView's 2184 * display buffer, upgrading it to BufferType.EDITABLE if it was 2185 * not already editable. 2186 */ 2187 public void append(CharSequence text, int start, int end) { 2188 if (!(mText instanceof Editable)) { 2189 setText(mText, BufferType.EDITABLE); 2190 } 2191 2192 ((Editable) mText).append(text, start, end); 2193 } 2194 2195 private void updateTextColors() { 2196 boolean inval = false; 2197 int color = mTextColor.getColorForState(getDrawableState(), 0); 2198 if (color != mCurTextColor) { 2199 mCurTextColor = color; 2200 inval = true; 2201 } 2202 if (mLinkTextColor != null) { 2203 color = mLinkTextColor.getColorForState(getDrawableState(), 0); 2204 if (color != mTextPaint.linkColor) { 2205 mTextPaint.linkColor = color; 2206 inval = true; 2207 } 2208 } 2209 if (mHintTextColor != null) { 2210 color = mHintTextColor.getColorForState(getDrawableState(), 0); 2211 if (color != mCurHintTextColor && mText.length() == 0) { 2212 mCurHintTextColor = color; 2213 inval = true; 2214 } 2215 } 2216 if (inval) { 2217 invalidate(); 2218 } 2219 } 2220 2221 @Override 2222 protected void drawableStateChanged() { 2223 super.drawableStateChanged(); 2224 if (mTextColor != null && mTextColor.isStateful() 2225 || (mHintTextColor != null && mHintTextColor.isStateful()) 2226 || (mLinkTextColor != null && mLinkTextColor.isStateful())) { 2227 updateTextColors(); 2228 } 2229 2230 final Drawables dr = mDrawables; 2231 if (dr != null) { 2232 int[] state = getDrawableState(); 2233 if (dr.mDrawableTop != null && dr.mDrawableTop.isStateful()) { 2234 dr.mDrawableTop.setState(state); 2235 } 2236 if (dr.mDrawableBottom != null && dr.mDrawableBottom.isStateful()) { 2237 dr.mDrawableBottom.setState(state); 2238 } 2239 if (dr.mDrawableLeft != null && dr.mDrawableLeft.isStateful()) { 2240 dr.mDrawableLeft.setState(state); 2241 } 2242 if (dr.mDrawableRight != null && dr.mDrawableRight.isStateful()) { 2243 dr.mDrawableRight.setState(state); 2244 } 2245 } 2246 } 2247 2248 /** 2249 * User interface state that is stored by TextView for implementing 2250 * {@link View#onSaveInstanceState}. 2251 */ 2252 public static class SavedState extends BaseSavedState { 2253 int selStart; 2254 int selEnd; 2255 CharSequence text; 2256 boolean frozenWithFocus; 2257 CharSequence error; 2258 2259 SavedState(Parcelable superState) { 2260 super(superState); 2261 } 2262 2263 @Override 2264 public void writeToParcel(Parcel out, int flags) { 2265 super.writeToParcel(out, flags); 2266 out.writeInt(selStart); 2267 out.writeInt(selEnd); 2268 out.writeInt(frozenWithFocus ? 1 : 0); 2269 TextUtils.writeToParcel(text, out, flags); 2270 2271 if (error == null) { 2272 out.writeInt(0); 2273 } else { 2274 out.writeInt(1); 2275 TextUtils.writeToParcel(error, out, flags); 2276 } 2277 } 2278 2279 @Override 2280 public String toString() { 2281 String str = "TextView.SavedState{" 2282 + Integer.toHexString(System.identityHashCode(this)) 2283 + " start=" + selStart + " end=" + selEnd; 2284 if (text != null) { 2285 str += " text=" + text; 2286 } 2287 return str + "}"; 2288 } 2289 2290 public static final Parcelable.Creator<SavedState> CREATOR 2291 = new Parcelable.Creator<SavedState>() { 2292 public SavedState createFromParcel(Parcel in) { 2293 return new SavedState(in); 2294 } 2295 2296 public SavedState[] newArray(int size) { 2297 return new SavedState[size]; 2298 } 2299 }; 2300 2301 private SavedState(Parcel in) { 2302 super(in); 2303 selStart = in.readInt(); 2304 selEnd = in.readInt(); 2305 frozenWithFocus = (in.readInt() != 0); 2306 text = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 2307 2308 if (in.readInt() != 0) { 2309 error = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 2310 } 2311 } 2312 } 2313 2314 @Override 2315 public Parcelable onSaveInstanceState() { 2316 Parcelable superState = super.onSaveInstanceState(); 2317 2318 // Save state if we are forced to 2319 boolean save = mFreezesText; 2320 int start = 0; 2321 int end = 0; 2322 2323 if (mText != null) { 2324 start = Selection.getSelectionStart(mText); 2325 end = Selection.getSelectionEnd(mText); 2326 if (start >= 0 || end >= 0) { 2327 // Or save state if there is a selection 2328 save = true; 2329 } 2330 } 2331 2332 if (save) { 2333 SavedState ss = new SavedState(superState); 2334 // XXX Should also save the current scroll position! 2335 ss.selStart = start; 2336 ss.selEnd = end; 2337 2338 if (mText instanceof Spanned) { 2339 /* 2340 * Calling setText() strips off any ChangeWatchers; 2341 * strip them now to avoid leaking references. 2342 * But do it to a copy so that if there are any 2343 * further changes to the text of this view, it 2344 * won't get into an inconsistent state. 2345 */ 2346 2347 Spannable sp = new SpannableString(mText); 2348 2349 for (ChangeWatcher cw : 2350 sp.getSpans(0, sp.length(), ChangeWatcher.class)) { 2351 sp.removeSpan(cw); 2352 } 2353 2354 ss.text = sp; 2355 } else { 2356 ss.text = mText.toString(); 2357 } 2358 2359 if (isFocused() && start >= 0 && end >= 0) { 2360 ss.frozenWithFocus = true; 2361 } 2362 2363 ss.error = mError; 2364 2365 return ss; 2366 } 2367 2368 return superState; 2369 } 2370 2371 @Override 2372 public void onRestoreInstanceState(Parcelable state) { 2373 if (!(state instanceof SavedState)) { 2374 super.onRestoreInstanceState(state); 2375 return; 2376 } 2377 2378 SavedState ss = (SavedState)state; 2379 super.onRestoreInstanceState(ss.getSuperState()); 2380 2381 // XXX restore buffer type too, as well as lots of other stuff 2382 if (ss.text != null) { 2383 setText(ss.text); 2384 } 2385 2386 if (ss.selStart >= 0 && ss.selEnd >= 0) { 2387 if (mText instanceof Spannable) { 2388 int len = mText.length(); 2389 2390 if (ss.selStart > len || ss.selEnd > len) { 2391 String restored = ""; 2392 2393 if (ss.text != null) { 2394 restored = "(restored) "; 2395 } 2396 2397 Log.e("TextView", "Saved cursor position " + ss.selStart + 2398 "/" + ss.selEnd + " out of range for " + restored + 2399 "text " + mText); 2400 } else { 2401 Selection.setSelection((Spannable) mText, ss.selStart, 2402 ss.selEnd); 2403 2404 if (ss.frozenWithFocus) { 2405 mFrozenWithFocus = true; 2406 } 2407 } 2408 } 2409 } 2410 2411 if (ss.error != null) { 2412 setError(ss.error); 2413 } 2414 } 2415 2416 /** 2417 * Control whether this text view saves its entire text contents when 2418 * freezing to an icicle, in addition to dynamic state such as cursor 2419 * position. By default this is false, not saving the text. Set to true 2420 * if the text in the text view is not being saved somewhere else in 2421 * persistent storage (such as in a content provider) so that if the 2422 * view is later thawed the user will not lose their data. 2423 * 2424 * @param freezesText Controls whether a frozen icicle should include the 2425 * entire text data: true to include it, false to not. 2426 * 2427 * @attr ref android.R.styleable#TextView_freezesText 2428 */ 2429 @android.view.RemotableViewMethod 2430 public void setFreezesText(boolean freezesText) { 2431 mFreezesText = freezesText; 2432 } 2433 2434 /** 2435 * Return whether this text view is including its entire text contents 2436 * in frozen icicles. 2437 * 2438 * @return Returns true if text is included, false if it isn't. 2439 * 2440 * @see #setFreezesText 2441 */ 2442 public boolean getFreezesText() { 2443 return mFreezesText; 2444 } 2445 2446 /////////////////////////////////////////////////////////////////////////// 2447 2448 /** 2449 * Sets the Factory used to create new Editables. 2450 */ 2451 public final void setEditableFactory(Editable.Factory factory) { 2452 mEditableFactory = factory; 2453 setText(mText); 2454 } 2455 2456 /** 2457 * Sets the Factory used to create new Spannables. 2458 */ 2459 public final void setSpannableFactory(Spannable.Factory factory) { 2460 mSpannableFactory = factory; 2461 setText(mText); 2462 } 2463 2464 /** 2465 * Sets the string value of the TextView. TextView <em>does not</em> accept 2466 * HTML-like formatting, which you can do with text strings in XML resource files. 2467 * To style your strings, attach android.text.style.* objects to a 2468 * {@link android.text.SpannableString SpannableString}, or see the 2469 * <a href="{@docRoot}guide/topics/resources/available-resources.html#stringresources"> 2470 * Available Resource Types</a> documentation for an example of setting 2471 * formatted text in the XML resource file. 2472 * 2473 * @attr ref android.R.styleable#TextView_text 2474 */ 2475 @android.view.RemotableViewMethod 2476 public final void setText(CharSequence text) { 2477 setText(text, mBufferType); 2478 } 2479 2480 /** 2481 * Like {@link #setText(CharSequence)}, 2482 * except that the cursor position (if any) is retained in the new text. 2483 * 2484 * @param text The new text to place in the text view. 2485 * 2486 * @see #setText(CharSequence) 2487 */ 2488 @android.view.RemotableViewMethod 2489 public final void setTextKeepState(CharSequence text) { 2490 setTextKeepState(text, mBufferType); 2491 } 2492 2493 /** 2494 * Sets the text that this TextView is to display (see 2495 * {@link #setText(CharSequence)}) and also sets whether it is stored 2496 * in a styleable/spannable buffer and whether it is editable. 2497 * 2498 * @attr ref android.R.styleable#TextView_text 2499 * @attr ref android.R.styleable#TextView_bufferType 2500 */ 2501 public void setText(CharSequence text, BufferType type) { 2502 setText(text, type, true, 0); 2503 2504 if (mCharWrapper != null) { 2505 mCharWrapper.mChars = null; 2506 } 2507 } 2508 2509 private void setText(CharSequence text, BufferType type, 2510 boolean notifyBefore, int oldlen) { 2511 if (text == null) { 2512 text = ""; 2513 } 2514 2515 if (!mUserSetTextScaleX) mTextPaint.setTextScaleX(1.0f); 2516 2517 if (text instanceof Spanned && 2518 ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) { 2519 setHorizontalFadingEdgeEnabled(true); 2520 setEllipsize(TextUtils.TruncateAt.MARQUEE); 2521 } 2522 2523 int n = mFilters.length; 2524 for (int i = 0; i < n; i++) { 2525 CharSequence out = mFilters[i].filter(text, 0, text.length(), 2526 EMPTY_SPANNED, 0, 0); 2527 if (out != null) { 2528 text = out; 2529 } 2530 } 2531 2532 if (notifyBefore) { 2533 if (mText != null) { 2534 oldlen = mText.length(); 2535 sendBeforeTextChanged(mText, 0, oldlen, text.length()); 2536 } else { 2537 sendBeforeTextChanged("", 0, 0, text.length()); 2538 } 2539 } 2540 2541 boolean needEditableForNotification = false; 2542 2543 if (mListeners != null && mListeners.size() != 0) { 2544 needEditableForNotification = true; 2545 } 2546 2547 if (type == BufferType.EDITABLE || mInput != null || 2548 needEditableForNotification) { 2549 Editable t = mEditableFactory.newEditable(text); 2550 text = t; 2551 setFilters(t, mFilters); 2552 InputMethodManager imm = InputMethodManager.peekInstance(); 2553 if (imm != null) imm.restartInput(this); 2554 } else if (type == BufferType.SPANNABLE || mMovement != null) { 2555 text = mSpannableFactory.newSpannable(text); 2556 } else if (!(text instanceof CharWrapper)) { 2557 text = TextUtils.stringOrSpannedString(text); 2558 } 2559 2560 if (mAutoLinkMask != 0) { 2561 Spannable s2; 2562 2563 if (type == BufferType.EDITABLE || text instanceof Spannable) { 2564 s2 = (Spannable) text; 2565 } else { 2566 s2 = mSpannableFactory.newSpannable(text); 2567 } 2568 2569 if (Linkify.addLinks(s2, mAutoLinkMask)) { 2570 text = s2; 2571 type = (type == BufferType.EDITABLE) ? BufferType.EDITABLE : BufferType.SPANNABLE; 2572 2573 /* 2574 * We must go ahead and set the text before changing the 2575 * movement method, because setMovementMethod() may call 2576 * setText() again to try to upgrade the buffer type. 2577 */ 2578 mText = text; 2579 2580 if (mLinksClickable) { 2581 setMovementMethod(LinkMovementMethod.getInstance()); 2582 } 2583 } 2584 } 2585 2586 mBufferType = type; 2587 mText = text; 2588 2589 if (mTransformation == null) 2590 mTransformed = text; 2591 else 2592 mTransformed = mTransformation.getTransformation(text, this); 2593 2594 final int textLength = text.length(); 2595 2596 if (text instanceof Spannable) { 2597 Spannable sp = (Spannable) text; 2598 2599 // Remove any ChangeWatchers that might have come 2600 // from other TextViews. 2601 final ChangeWatcher[] watchers = sp.getSpans(0, sp.length(), ChangeWatcher.class); 2602 final int count = watchers.length; 2603 for (int i = 0; i < count; i++) 2604 sp.removeSpan(watchers[i]); 2605 2606 if (mChangeWatcher == null) 2607 mChangeWatcher = new ChangeWatcher(); 2608 2609 sp.setSpan(mChangeWatcher, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE | 2610 (PRIORITY << Spanned.SPAN_PRIORITY_SHIFT)); 2611 2612 if (mInput != null) { 2613 sp.setSpan(mInput, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE); 2614 } 2615 2616 if (mTransformation != null) { 2617 sp.setSpan(mTransformation, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE); 2618 2619 } 2620 2621 if (mMovement != null) { 2622 mMovement.initialize(this, (Spannable) text); 2623 2624 /* 2625 * Initializing the movement method will have set the 2626 * selection, so reset mSelectionMoved to keep that from 2627 * interfering with the normal on-focus selection-setting. 2628 */ 2629 mSelectionMoved = false; 2630 } 2631 } 2632 2633 if (mLayout != null) { 2634 checkForRelayout(); 2635 } 2636 2637 sendOnTextChanged(text, 0, oldlen, textLength); 2638 onTextChanged(text, 0, oldlen, textLength); 2639 2640 if (needEditableForNotification) { 2641 sendAfterTextChanged((Editable) text); 2642 } 2643 } 2644 2645 /** 2646 * Sets the TextView to display the specified slice of the specified 2647 * char array. You must promise that you will not change the contents 2648 * of the array except for right before another call to setText(), 2649 * since the TextView has no way to know that the text 2650 * has changed and that it needs to invalidate and re-layout. 2651 */ 2652 public final void setText(char[] text, int start, int len) { 2653 int oldlen = 0; 2654 2655 if (start < 0 || len < 0 || start + len > text.length) { 2656 throw new IndexOutOfBoundsException(start + ", " + len); 2657 } 2658 2659 /* 2660 * We must do the before-notification here ourselves because if 2661 * the old text is a CharWrapper we destroy it before calling 2662 * into the normal path. 2663 */ 2664 if (mText != null) { 2665 oldlen = mText.length(); 2666 sendBeforeTextChanged(mText, 0, oldlen, len); 2667 } else { 2668 sendBeforeTextChanged("", 0, 0, len); 2669 } 2670 2671 if (mCharWrapper == null) { 2672 mCharWrapper = new CharWrapper(text, start, len); 2673 } else { 2674 mCharWrapper.set(text, start, len); 2675 } 2676 2677 setText(mCharWrapper, mBufferType, false, oldlen); 2678 } 2679 2680 private static class CharWrapper 2681 implements CharSequence, GetChars, GraphicsOperations { 2682 private char[] mChars; 2683 private int mStart, mLength; 2684 2685 public CharWrapper(char[] chars, int start, int len) { 2686 mChars = chars; 2687 mStart = start; 2688 mLength = len; 2689 } 2690 2691 /* package */ void set(char[] chars, int start, int len) { 2692 mChars = chars; 2693 mStart = start; 2694 mLength = len; 2695 } 2696 2697 public int length() { 2698 return mLength; 2699 } 2700 2701 public char charAt(int off) { 2702 return mChars[off + mStart]; 2703 } 2704 2705 public String toString() { 2706 return new String(mChars, mStart, mLength); 2707 } 2708 2709 public CharSequence subSequence(int start, int end) { 2710 if (start < 0 || end < 0 || start > mLength || end > mLength) { 2711 throw new IndexOutOfBoundsException(start + ", " + end); 2712 } 2713 2714 return new String(mChars, start + mStart, end - start); 2715 } 2716 2717 public void getChars(int start, int end, char[] buf, int off) { 2718 if (start < 0 || end < 0 || start > mLength || end > mLength) { 2719 throw new IndexOutOfBoundsException(start + ", " + end); 2720 } 2721 2722 System.arraycopy(mChars, start + mStart, buf, off, end - start); 2723 } 2724 2725 public void drawText(Canvas c, int start, int end, 2726 float x, float y, Paint p) { 2727 c.drawText(mChars, start + mStart, end - start, x, y, p); 2728 } 2729 2730 public float measureText(int start, int end, Paint p) { 2731 return p.measureText(mChars, start + mStart, end - start); 2732 } 2733 2734 public int getTextWidths(int start, int end, float[] widths, Paint p) { 2735 return p.getTextWidths(mChars, start + mStart, end - start, widths); 2736 } 2737 } 2738 2739 /** 2740 * Like {@link #setText(CharSequence, android.widget.TextView.BufferType)}, 2741 * except that the cursor position (if any) is retained in the new text. 2742 * 2743 * @see #setText(CharSequence, android.widget.TextView.BufferType) 2744 */ 2745 public final void setTextKeepState(CharSequence text, BufferType type) { 2746 int start = getSelectionStart(); 2747 int end = getSelectionEnd(); 2748 int len = text.length(); 2749 2750 setText(text, type); 2751 2752 if (start >= 0 || end >= 0) { 2753 if (mText instanceof Spannable) { 2754 Selection.setSelection((Spannable) mText, 2755 Math.max(0, Math.min(start, len)), 2756 Math.max(0, Math.min(end, len))); 2757 } 2758 } 2759 } 2760 2761 @android.view.RemotableViewMethod 2762 public final void setText(int resid) { 2763 setText(getContext().getResources().getText(resid)); 2764 } 2765 2766 public final void setText(int resid, BufferType type) { 2767 setText(getContext().getResources().getText(resid), type); 2768 } 2769 2770 /** 2771 * Sets the text to be displayed when the text of the TextView is empty. 2772 * Null means to use the normal empty text. The hint does not currently 2773 * participate in determining the size of the view. 2774 * 2775 * This method is deprecated. Use {link #setHint(int, String)} or 2776 * {link #setHint(CharSequence, String)} instead. 2777 * 2778 * @attr ref android.R.styleable#TextView_hint 2779 */ 2780 @android.view.RemotableViewMethod 2781 public final void setHint(CharSequence hint) { 2782 mHint = TextUtils.stringOrSpannedString(hint); 2783 2784 if (mLayout != null) { 2785 checkForRelayout(); 2786 } 2787 2788 if (mText.length() == 0) 2789 invalidate(); 2790 } 2791 2792 /** 2793 * Sets the text to be displayed when the text of the TextView is empty, 2794 * from a resource. 2795 * 2796 * This method is deprecated. Use {link #setHint(int, String)} or 2797 * {link #setHint(CharSequence, String)} instead. 2798 * 2799 * @attr ref android.R.styleable#TextView_hint 2800 */ 2801 @android.view.RemotableViewMethod 2802 public final void setHint(int resid) { 2803 setHint(getContext().getResources().getText(resid)); 2804 } 2805 2806 /** 2807 * Returns the hint that is displayed when the text of the TextView 2808 * is empty. 2809 * 2810 * @attr ref android.R.styleable#TextView_hint 2811 */ 2812 @ViewDebug.CapturedViewProperty 2813 public CharSequence getHint() { 2814 return mHint; 2815 } 2816 2817 /** 2818 * Set the type of the content with a constant as defined for 2819 * {@link EditorInfo#inputType}. This will take care of changing 2820 * the key listener, by calling {@link #setKeyListener(KeyListener)}, to 2821 * match the given content type. If the given content type is 2822 * {@link EditorInfo#TYPE_NULL} then a soft keyboard will 2823 * not be displayed for this text view. 2824 * 2825 * @see #getInputType() 2826 * @see #setRawInputType(int) 2827 * @see android.text.InputType 2828 * @attr ref android.R.styleable#TextView_inputType 2829 */ 2830 public void setInputType(int type) { 2831 setInputType(type, false); 2832 final int variation = type&(EditorInfo.TYPE_MASK_CLASS 2833 |EditorInfo.TYPE_MASK_VARIATION); 2834 final boolean isPassword = variation 2835 == (EditorInfo.TYPE_CLASS_TEXT 2836 |EditorInfo.TYPE_TEXT_VARIATION_PASSWORD); 2837 boolean forceUpdate = false; 2838 if (isPassword) { 2839 setTransformationMethod(PasswordTransformationMethod.getInstance()); 2840 setTypefaceByIndex(MONOSPACE, 0); 2841 } else if (mTransformation == PasswordTransformationMethod.getInstance()) { 2842 // We need to clean up if we were previously in password mode. 2843 if (variation != (EditorInfo.TYPE_CLASS_TEXT 2844 |EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD)) { 2845 setTypefaceByIndex(-1, -1); 2846 } 2847 forceUpdate = true; 2848 } else if (variation == (EditorInfo.TYPE_CLASS_TEXT 2849 |EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD)) { 2850 setTypefaceByIndex(MONOSPACE, 0); 2851 } 2852 2853 boolean multiLine = (type&(EditorInfo.TYPE_MASK_CLASS 2854 | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE)) == 2855 (EditorInfo.TYPE_CLASS_TEXT 2856 | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE); 2857 2858 // We need to update the single line mode if it has changed or we 2859 // were previously in password mode. 2860 if (mSingleLine == multiLine || forceUpdate) { 2861 // Change single line mode, but only change the transformation if 2862 // we are not in password mode. 2863 applySingleLine(!multiLine, !isPassword); 2864 } 2865 2866 InputMethodManager imm = InputMethodManager.peekInstance(); 2867 if (imm != null) imm.restartInput(this); 2868 } 2869 2870 /** 2871 * Directly change the content type integer of the text view, without 2872 * modifying any other state. 2873 * @see #setInputType(int) 2874 * @see android.text.InputType 2875 * @attr ref android.R.styleable#TextView_inputType 2876 */ 2877 public void setRawInputType(int type) { 2878 mInputType = type; 2879 } 2880 2881 private void setInputType(int type, boolean direct) { 2882 final int cls = type & EditorInfo.TYPE_MASK_CLASS; 2883 KeyListener input; 2884 if (cls == EditorInfo.TYPE_CLASS_TEXT) { 2885 boolean autotext = (type & EditorInfo.TYPE_TEXT_FLAG_AUTO_CORRECT) 2886 != 0; 2887 TextKeyListener.Capitalize cap; 2888 if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS) != 0) { 2889 cap = TextKeyListener.Capitalize.CHARACTERS; 2890 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS) != 0) { 2891 cap = TextKeyListener.Capitalize.WORDS; 2892 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES) != 0) { 2893 cap = TextKeyListener.Capitalize.SENTENCES; 2894 } else { 2895 cap = TextKeyListener.Capitalize.NONE; 2896 } 2897 input = TextKeyListener.getInstance(autotext, cap); 2898 } else if (cls == EditorInfo.TYPE_CLASS_NUMBER) { 2899 input = DigitsKeyListener.getInstance( 2900 (type & EditorInfo.TYPE_NUMBER_FLAG_SIGNED) != 0, 2901 (type & EditorInfo.TYPE_NUMBER_FLAG_DECIMAL) != 0); 2902 } else if (cls == EditorInfo.TYPE_CLASS_DATETIME) { 2903 switch (type & EditorInfo.TYPE_MASK_VARIATION) { 2904 case EditorInfo.TYPE_DATETIME_VARIATION_DATE: 2905 input = DateKeyListener.getInstance(); 2906 break; 2907 case EditorInfo.TYPE_DATETIME_VARIATION_TIME: 2908 input = TimeKeyListener.getInstance(); 2909 break; 2910 default: 2911 input = DateTimeKeyListener.getInstance(); 2912 break; 2913 } 2914 } else if (cls == EditorInfo.TYPE_CLASS_PHONE) { 2915 input = DialerKeyListener.getInstance(); 2916 } else { 2917 input = TextKeyListener.getInstance(); 2918 } 2919 mInputType = type; 2920 if (direct) mInput = input; 2921 else { 2922 setKeyListenerOnly(input); 2923 } 2924 } 2925 2926 /** 2927 * Get the type of the content. 2928 * 2929 * @see #setInputType(int) 2930 * @see android.text.InputType 2931 */ 2932 public int getInputType() { 2933 return mInputType; 2934 } 2935 2936 /** 2937 * Change the editor type integer associated with the text view, which 2938 * will be reported to an IME with {@link EditorInfo#imeOptions} when it 2939 * has focus. 2940 * @see #getImeOptions 2941 * @see android.view.inputmethod.EditorInfo 2942 * @attr ref android.R.styleable#TextView_imeOptions 2943 */ 2944 public void setImeOptions(int imeOptions) { 2945 if (mInputContentType == null) { 2946 mInputContentType = new InputContentType(); 2947 } 2948 mInputContentType.imeOptions = imeOptions; 2949 } 2950 2951 /** 2952 * Get the type of the IME editor. 2953 * 2954 * @see #setImeOptions(int) 2955 * @see android.view.inputmethod.EditorInfo 2956 */ 2957 public int getImeOptions() { 2958 return mInputContentType != null 2959 ? mInputContentType.imeOptions : EditorInfo.IME_NULL; 2960 } 2961 2962 /** 2963 * Change the custom IME action associated with the text view, which 2964 * will be reported to an IME with {@link EditorInfo#actionLabel} 2965 * and {@link EditorInfo#actionId} when it has focus. 2966 * @see #getImeActionLabel 2967 * @see #getImeActionId 2968 * @see android.view.inputmethod.EditorInfo 2969 * @attr ref android.R.styleable#TextView_imeActionLabel 2970 * @attr ref android.R.styleable#TextView_imeActionId 2971 */ 2972 public void setImeActionLabel(CharSequence label, int actionId) { 2973 if (mInputContentType == null) { 2974 mInputContentType = new InputContentType(); 2975 } 2976 mInputContentType.imeActionLabel = label; 2977 mInputContentType.imeActionId = actionId; 2978 } 2979 2980 /** 2981 * Get the IME action label previous set with {@link #setImeActionLabel}. 2982 * 2983 * @see #setImeActionLabel 2984 * @see android.view.inputmethod.EditorInfo 2985 */ 2986 public CharSequence getImeActionLabel() { 2987 return mInputContentType != null 2988 ? mInputContentType.imeActionLabel : null; 2989 } 2990 2991 /** 2992 * Get the IME action ID previous set with {@link #setImeActionLabel}. 2993 * 2994 * @see #setImeActionLabel 2995 * @see android.view.inputmethod.EditorInfo 2996 */ 2997 public int getImeActionId() { 2998 return mInputContentType != null 2999 ? mInputContentType.imeActionId : 0; 3000 } 3001 3002 /** 3003 * Set a special listener to be called when an action is performed 3004 * on the text view. This will be called when the enter key is pressed, 3005 * or when an action supplied to the IME is selected by the user. Setting 3006 * this means that the normal hard key event will not insert a newline 3007 * into the text view, even if it is multi-line; holding down the ALT 3008 * modifier will, however, allow the user to insert a newline character. 3009 */ 3010 public void setOnEditorActionListener(OnEditorActionListener l) { 3011 if (mInputContentType == null) { 3012 mInputContentType = new InputContentType(); 3013 } 3014 mInputContentType.onEditorActionListener = l; 3015 } 3016 3017 /** 3018 * Called when an attached input method calls 3019 * {@link InputConnection#performEditorAction(int) 3020 * InputConnection.performEditorAction()} 3021 * for this text view. The default implementation will call your action 3022 * listener supplied to {@link #setOnEditorActionListener}, or perform 3023 * a standard operation for {@link EditorInfo#IME_ACTION_NEXT 3024 * EditorInfo.IME_ACTION_NEXT} or {@link EditorInfo#IME_ACTION_DONE 3025 * EditorInfo.IME_ACTION_DONE}. 3026 * 3027 * <p>For backwards compatibility, if no IME options have been set and the 3028 * text view would not normally advance focus on enter, then 3029 * the NEXT and DONE actions received here will be turned into an enter 3030 * key down/up pair to go through the normal key handling. 3031 * 3032 * @param actionCode The code of the action being performed. 3033 * 3034 * @see #setOnEditorActionListener 3035 */ 3036 public void onEditorAction(int actionCode) { 3037 final InputContentType ict = mInputContentType; 3038 if (ict != null) { 3039 if (ict.onEditorActionListener != null) { 3040 if (ict.onEditorActionListener.onEditorAction(this, 3041 actionCode, null)) { 3042 return; 3043 } 3044 } 3045 3046 // This is the handling for some default action. 3047 // Note that for backwards compatibility we don't do this 3048 // default handling if explicit ime options have not been given, 3049 // instead turning this into the normal enter key codes that an 3050 // app may be expecting. 3051 if (actionCode == EditorInfo.IME_ACTION_NEXT) { 3052 View v = focusSearch(FOCUS_DOWN); 3053 if (v != null) { 3054 if (!v.requestFocus(FOCUS_DOWN)) { 3055 throw new IllegalStateException("focus search returned a view " + 3056 "that wasn't able to take focus!"); 3057 } 3058 } 3059 return; 3060 3061 } else if (actionCode == EditorInfo.IME_ACTION_DONE) { 3062 InputMethodManager imm = InputMethodManager.peekInstance(); 3063 if (imm != null) { 3064 imm.hideSoftInputFromWindow(getWindowToken(), 0); 3065 } 3066 return; 3067 } 3068 } 3069 3070 Handler h = getHandler(); 3071 if (h != null) { 3072 long eventTime = SystemClock.uptimeMillis(); 3073 h.sendMessage(h.obtainMessage(ViewRoot.DISPATCH_KEY_FROM_IME, 3074 new KeyEvent(eventTime, eventTime, 3075 KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER, 0, 0, 0, 0, 3076 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 3077 | KeyEvent.FLAG_EDITOR_ACTION))); 3078 h.sendMessage(h.obtainMessage(ViewRoot.DISPATCH_KEY_FROM_IME, 3079 new KeyEvent(SystemClock.uptimeMillis(), eventTime, 3080 KeyEvent.ACTION_UP, KeyEvent.KEYCODE_ENTER, 0, 0, 0, 0, 3081 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 3082 | KeyEvent.FLAG_EDITOR_ACTION))); 3083 } 3084 } 3085 3086 /** 3087 * Set the private content type of the text, which is the 3088 * {@link EditorInfo#privateImeOptions EditorInfo.privateImeOptions} 3089 * field that will be filled in when creating an input connection. 3090 * 3091 * @see #getPrivateImeOptions() 3092 * @see EditorInfo#privateImeOptions 3093 * @attr ref android.R.styleable#TextView_privateImeOptions 3094 */ 3095 public void setPrivateImeOptions(String type) { 3096 if (mInputContentType == null) mInputContentType = new InputContentType(); 3097 mInputContentType.privateImeOptions = type; 3098 } 3099 3100 /** 3101 * Get the private type of the content. 3102 * 3103 * @see #setPrivateImeOptions(String) 3104 * @see EditorInfo#privateImeOptions 3105 */ 3106 public String getPrivateImeOptions() { 3107 return mInputContentType != null 3108 ? mInputContentType.privateImeOptions : null; 3109 } 3110 3111 /** 3112 * Set the extra input data of the text, which is the 3113 * {@link EditorInfo#extras TextBoxAttribute.extras} 3114 * Bundle that will be filled in when creating an input connection. The 3115 * given integer is the resource ID of an XML resource holding an 3116 * {@link android.R.styleable#InputExtras <input-extras>} XML tree. 3117 * 3118 * @see #getInputExtras(boolean) 3119 * @see EditorInfo#extras 3120 * @attr ref android.R.styleable#TextView_editorExtras 3121 */ 3122 public void setInputExtras(int xmlResId) 3123 throws XmlPullParserException, IOException { 3124 XmlResourceParser parser = getResources().getXml(xmlResId); 3125 if (mInputContentType == null) mInputContentType = new InputContentType(); 3126 mInputContentType.extras = new Bundle(); 3127 getResources().parseBundleExtras(parser, mInputContentType.extras); 3128 } 3129 3130 /** 3131 * Retrieve the input extras currently associated with the text view, which 3132 * can be viewed as well as modified. 3133 * 3134 * @param create If true, the extras will be created if they don't already 3135 * exist. Otherwise, null will be returned if none have been created. 3136 * @see #setInputExtras(int)View 3137 * @see EditorInfo#extras 3138 * @attr ref android.R.styleable#TextView_editorExtras 3139 */ 3140 public Bundle getInputExtras(boolean create) { 3141 if (mInputContentType == null) { 3142 if (!create) return null; 3143 mInputContentType = new InputContentType(); 3144 } 3145 if (mInputContentType.extras == null) { 3146 if (!create) return null; 3147 mInputContentType.extras = new Bundle(); 3148 } 3149 return mInputContentType.extras; 3150 } 3151 3152 /** 3153 * Returns the error message that was set to be displayed with 3154 * {@link #setError}, or <code>null</code> if no error was set 3155 * or if it the error was cleared by the widget after user input. 3156 */ 3157 public CharSequence getError() { 3158 return mError; 3159 } 3160 3161 /** 3162 * Sets the right-hand compound drawable of the TextView to the "error" 3163 * icon and sets an error message that will be displayed in a popup when 3164 * the TextView has focus. The icon and error message will be reset to 3165 * null when any key events cause changes to the TextView's text. If the 3166 * <code>error</code> is <code>null</code>, the error message and icon 3167 * will be cleared. 3168 */ 3169 @android.view.RemotableViewMethod 3170 public void setError(CharSequence error) { 3171 if (error == null) { 3172 setError(null, null); 3173 } else { 3174 Drawable dr = getContext().getResources(). 3175 getDrawable(com.android.internal.R.drawable. 3176 indicator_input_error); 3177 3178 dr.setBounds(0, 0, dr.getIntrinsicWidth(), dr.getIntrinsicHeight()); 3179 setError(error, dr); 3180 } 3181 } 3182 3183 /** 3184 * Sets the right-hand compound drawable of the TextView to the specified 3185 * icon and sets an error message that will be displayed in a popup when 3186 * the TextView has focus. The icon and error message will be reset to 3187 * null when any key events cause changes to the TextView's text. The 3188 * drawable must already have had {@link Drawable#setBounds} set on it. 3189 * If the <code>error</code> is <code>null</code>, the error message will 3190 * be cleared (and you should provide a <code>null</code> icon as well). 3191 */ 3192 public void setError(CharSequence error, Drawable icon) { 3193 error = TextUtils.stringOrSpannedString(error); 3194 3195 mError = error; 3196 mErrorWasChanged = true; 3197 final Drawables dr = mDrawables; 3198 if (dr != null) { 3199 setCompoundDrawables(dr.mDrawableLeft, dr.mDrawableTop, 3200 icon, dr.mDrawableBottom); 3201 } else { 3202 setCompoundDrawables(null, null, icon, null); 3203 } 3204 3205 if (error == null) { 3206 if (mPopup != null) { 3207 if (mPopup.isShowing()) { 3208 mPopup.dismiss(); 3209 } 3210 3211 mPopup = null; 3212 } 3213 } else { 3214 if (isFocused()) { 3215 showError(); 3216 } 3217 } 3218 } 3219 3220 private void showError() { 3221 if (getWindowToken() == null) { 3222 mShowErrorAfterAttach = true; 3223 return; 3224 } 3225 3226 if (mPopup == null) { 3227 LayoutInflater inflater = LayoutInflater.from(getContext()); 3228 final TextView err = (TextView) inflater.inflate(com.android.internal.R.layout.textview_hint, 3229 null); 3230 3231 mPopup = new ErrorPopup(err, 200, 50); 3232 mPopup.setFocusable(false); 3233 // The user is entering text, so the input method is needed. We 3234 // don't want the popup to be displayed on top of it. 3235 mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED); 3236 } 3237 3238 TextView tv = (TextView) mPopup.getContentView(); 3239 chooseSize(mPopup, mError, tv); 3240 tv.setText(mError); 3241 3242 mPopup.showAsDropDown(this, getErrorX(), getErrorY()); 3243 mPopup.fixDirection(mPopup.isAboveAnchor()); 3244 } 3245 3246 private static class ErrorPopup extends PopupWindow { 3247 private boolean mAbove = false; 3248 private TextView mView; 3249 3250 ErrorPopup(TextView v, int width, int height) { 3251 super(v, width, height); 3252 mView = v; 3253 } 3254 3255 void fixDirection(boolean above) { 3256 mAbove = above; 3257 3258 if (above) { 3259 mView.setBackgroundResource(com.android.internal.R.drawable.popup_inline_error_above); 3260 } else { 3261 mView.setBackgroundResource(com.android.internal.R.drawable.popup_inline_error); 3262 } 3263 } 3264 3265 @Override 3266 public void update(int x, int y, int w, int h, boolean force) { 3267 super.update(x, y, w, h, force); 3268 3269 boolean above = isAboveAnchor(); 3270 if (above != mAbove) { 3271 fixDirection(above); 3272 } 3273 } 3274 } 3275 3276 /** 3277 * Returns the Y offset to make the pointy top of the error point 3278 * at the middle of the error icon. 3279 */ 3280 private int getErrorX() { 3281 /* 3282 * The "25" is the distance between the point and the right edge 3283 * of the background 3284 */ 3285 3286 final Drawables dr = mDrawables; 3287 return getWidth() - mPopup.getWidth() 3288 - getPaddingRight() 3289 - (dr != null ? dr.mDrawableSizeRight : 0) / 2 + 25; 3290 } 3291 3292 /** 3293 * Returns the Y offset to make the pointy top of the error point 3294 * at the bottom of the error icon. 3295 */ 3296 private int getErrorY() { 3297 /* 3298 * Compound, not extended, because the icon is not clipped 3299 * if the text height is smaller. 3300 */ 3301 int vspace = mBottom - mTop - 3302 getCompoundPaddingBottom() - getCompoundPaddingTop(); 3303 3304 final Drawables dr = mDrawables; 3305 int icontop = getCompoundPaddingTop() 3306 + (vspace - (dr != null ? dr.mDrawableHeightRight : 0)) / 2; 3307 3308 /* 3309 * The "2" is the distance between the point and the top edge 3310 * of the background. 3311 */ 3312 3313 return icontop + (dr != null ? dr.mDrawableHeightRight : 0) 3314 - getHeight() - 2; 3315 } 3316 3317 private void hideError() { 3318 if (mPopup != null) { 3319 if (mPopup.isShowing()) { 3320 mPopup.dismiss(); 3321 } 3322 } 3323 3324 mShowErrorAfterAttach = false; 3325 } 3326 3327 private void chooseSize(PopupWindow pop, CharSequence text, TextView tv) { 3328 int wid = tv.getPaddingLeft() + tv.getPaddingRight(); 3329 int ht = tv.getPaddingTop() + tv.getPaddingBottom(); 3330 3331 /* 3332 * Figure out how big the text would be if we laid it out to the 3333 * full width of this view minus the border. 3334 */ 3335 int cap = getWidth() - wid; 3336 if (cap < 0) { 3337 cap = 200; // We must not be measured yet -- setFrame() will fix it. 3338 } 3339 3340 Layout l = new StaticLayout(text, tv.getPaint(), cap, 3341 Layout.Alignment.ALIGN_NORMAL, 1, 0, true); 3342 float max = 0; 3343 for (int i = 0; i < l.getLineCount(); i++) { 3344 max = Math.max(max, l.getLineWidth(i)); 3345 } 3346 3347 /* 3348 * Now set the popup size to be big enough for the text plus the border. 3349 */ 3350 pop.setWidth(wid + (int) Math.ceil(max)); 3351 pop.setHeight(ht + l.getHeight()); 3352 } 3353 3354 3355 @Override 3356 protected boolean setFrame(int l, int t, int r, int b) { 3357 boolean result = super.setFrame(l, t, r, b); 3358 3359 if (mPopup != null) { 3360 TextView tv = (TextView) mPopup.getContentView(); 3361 chooseSize(mPopup, mError, tv); 3362 mPopup.update(this, getErrorX(), getErrorY(), -1, -1); 3363 } 3364 3365 restartMarqueeIfNeeded(); 3366 3367 return result; 3368 } 3369 3370 private void restartMarqueeIfNeeded() { 3371 if (mRestartMarquee && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 3372 mRestartMarquee = false; 3373 startMarquee(); 3374 } 3375 } 3376 3377 /** 3378 * Sets the list of input filters that will be used if the buffer is 3379 * Editable. Has no effect otherwise. 3380 * 3381 * @attr ref android.R.styleable#TextView_maxLength 3382 */ 3383 public void setFilters(InputFilter[] filters) { 3384 if (filters == null) { 3385 throw new IllegalArgumentException(); 3386 } 3387 3388 mFilters = filters; 3389 3390 if (mText instanceof Editable) { 3391 setFilters((Editable) mText, filters); 3392 } 3393 } 3394 3395 /** 3396 * Sets the list of input filters on the specified Editable, 3397 * and includes mInput in the list if it is an InputFilter. 3398 */ 3399 private void setFilters(Editable e, InputFilter[] filters) { 3400 if (mInput instanceof InputFilter) { 3401 InputFilter[] nf = new InputFilter[filters.length + 1]; 3402 3403 System.arraycopy(filters, 0, nf, 0, filters.length); 3404 nf[filters.length] = (InputFilter) mInput; 3405 3406 e.setFilters(nf); 3407 } else { 3408 e.setFilters(filters); 3409 } 3410 } 3411 3412 /** 3413 * Returns the current list of input filters. 3414 */ 3415 public InputFilter[] getFilters() { 3416 return mFilters; 3417 } 3418 3419 ///////////////////////////////////////////////////////////////////////// 3420 3421 private int getVerticalOffset(boolean forceNormal) { 3422 int voffset = 0; 3423 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 3424 3425 Layout l = mLayout; 3426 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 3427 l = mHintLayout; 3428 } 3429 3430 if (gravity != Gravity.TOP) { 3431 int boxht; 3432 3433 if (l == mHintLayout) { 3434 boxht = getMeasuredHeight() - getCompoundPaddingTop() - 3435 getCompoundPaddingBottom(); 3436 } else { 3437 boxht = getMeasuredHeight() - getExtendedPaddingTop() - 3438 getExtendedPaddingBottom(); 3439 } 3440 int textht = l.getHeight(); 3441 3442 if (textht < boxht) { 3443 if (gravity == Gravity.BOTTOM) 3444 voffset = boxht - textht; 3445 else // (gravity == Gravity.CENTER_VERTICAL) 3446 voffset = (boxht - textht) >> 1; 3447 } 3448 } 3449 return voffset; 3450 } 3451 3452 private int getBottomVerticalOffset(boolean forceNormal) { 3453 int voffset = 0; 3454 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 3455 3456 Layout l = mLayout; 3457 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 3458 l = mHintLayout; 3459 } 3460 3461 if (gravity != Gravity.BOTTOM) { 3462 int boxht; 3463 3464 if (l == mHintLayout) { 3465 boxht = getMeasuredHeight() - getCompoundPaddingTop() - 3466 getCompoundPaddingBottom(); 3467 } else { 3468 boxht = getMeasuredHeight() - getExtendedPaddingTop() - 3469 getExtendedPaddingBottom(); 3470 } 3471 int textht = l.getHeight(); 3472 3473 if (textht < boxht) { 3474 if (gravity == Gravity.TOP) 3475 voffset = boxht - textht; 3476 else // (gravity == Gravity.CENTER_VERTICAL) 3477 voffset = (boxht - textht) >> 1; 3478 } 3479 } 3480 return voffset; 3481 } 3482 3483 private void invalidateCursorPath() { 3484 if (mHighlightPathBogus) { 3485 invalidateCursor(); 3486 } else { 3487 synchronized (sTempRect) { 3488 /* 3489 * The reason for this concern about the thickness of the 3490 * cursor and doing the floor/ceil on the coordinates is that 3491 * some EditTexts (notably textfields in the Browser) have 3492 * anti-aliased text where not all the characters are 3493 * necessarily at integer-multiple locations. This should 3494 * make sure the entire cursor gets invalidated instead of 3495 * sometimes missing half a pixel. 3496 */ 3497 3498 float thick = FloatMath.ceil(mTextPaint.getStrokeWidth()); 3499 if (thick < 1.0f) { 3500 thick = 1.0f; 3501 } 3502 3503 thick /= 2; 3504 3505 mHighlightPath.computeBounds(sTempRect, false); 3506 3507 int left = getCompoundPaddingLeft(); 3508 int top = getExtendedPaddingTop() + getVerticalOffset(true); 3509 3510 invalidate((int) FloatMath.floor(left + sTempRect.left - thick), 3511 (int) FloatMath.floor(top + sTempRect.top - thick), 3512 (int) FloatMath.ceil(left + sTempRect.right + thick), 3513 (int) FloatMath.ceil(top + sTempRect.bottom + thick)); 3514 } 3515 } 3516 } 3517 3518 private void invalidateCursor() { 3519 int where = Selection.getSelectionEnd(mText); 3520 3521 invalidateCursor(where, where, where); 3522 } 3523 3524 private void invalidateCursor(int a, int b, int c) { 3525 if (mLayout == null) { 3526 invalidate(); 3527 } else { 3528 if (a >= 0 || b >= 0 || c >= 0) { 3529 int first = Math.min(Math.min(a, b), c); 3530 int last = Math.max(Math.max(a, b), c); 3531 3532 int line = mLayout.getLineForOffset(first); 3533 int top = mLayout.getLineTop(line); 3534 3535 // This is ridiculous, but the descent from the line above 3536 // can hang down into the line we really want to redraw, 3537 // so we have to invalidate part of the line above to make 3538 // sure everything that needs to be redrawn really is. 3539 // (But not the whole line above, because that would cause 3540 // the same problem with the descenders on the line above it!) 3541 if (line > 0) { 3542 top -= mLayout.getLineDescent(line - 1); 3543 } 3544 3545 int line2; 3546 3547 if (first == last) 3548 line2 = line; 3549 else 3550 line2 = mLayout.getLineForOffset(last); 3551 3552 int bottom = mLayout.getLineTop(line2 + 1); 3553 int voffset = getVerticalOffset(true); 3554 3555 int left = getCompoundPaddingLeft() + mScrollX; 3556 invalidate(left, top + voffset + getExtendedPaddingTop(), 3557 left + getWidth() - getCompoundPaddingLeft() - 3558 getCompoundPaddingRight(), 3559 bottom + voffset + getExtendedPaddingTop()); 3560 } 3561 } 3562 } 3563 3564 private void registerForPreDraw() { 3565 final ViewTreeObserver observer = getViewTreeObserver(); 3566 if (observer == null) { 3567 return; 3568 } 3569 3570 if (mPreDrawState == PREDRAW_NOT_REGISTERED) { 3571 observer.addOnPreDrawListener(this); 3572 mPreDrawState = PREDRAW_PENDING; 3573 } else if (mPreDrawState == PREDRAW_DONE) { 3574 mPreDrawState = PREDRAW_PENDING; 3575 } 3576 3577 // else state is PREDRAW_PENDING, so keep waiting. 3578 } 3579 3580 /** 3581 * {@inheritDoc} 3582 */ 3583 public boolean onPreDraw() { 3584 if (mPreDrawState != PREDRAW_PENDING) { 3585 return true; 3586 } 3587 3588 if (mLayout == null) { 3589 assumeLayout(); 3590 } 3591 3592 boolean changed = false; 3593 3594 if (mMovement != null) { 3595 int curs = Selection.getSelectionEnd(mText); 3596 3597 /* 3598 * TODO: This should really only keep the end in view if 3599 * it already was before the text changed. I'm not sure 3600 * of a good way to tell from here if it was. 3601 */ 3602 if (curs < 0 && 3603 (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 3604 curs = mText.length(); 3605 } 3606 3607 if (curs >= 0) { 3608 changed = bringPointIntoView(curs); 3609 } 3610 } else { 3611 changed = bringTextIntoView(); 3612 } 3613 3614 mPreDrawState = PREDRAW_DONE; 3615 return !changed; 3616 } 3617 3618 @Override 3619 protected void onAttachedToWindow() { 3620 super.onAttachedToWindow(); 3621 3622 mTemporaryDetach = false; 3623 3624 if (mShowErrorAfterAttach) { 3625 showError(); 3626 mShowErrorAfterAttach = false; 3627 } 3628 } 3629 3630 @Override 3631 protected void onDetachedFromWindow() { 3632 super.onDetachedFromWindow(); 3633 3634 if (mPreDrawState != PREDRAW_NOT_REGISTERED) { 3635 final ViewTreeObserver observer = getViewTreeObserver(); 3636 if (observer != null) { 3637 observer.removeOnPreDrawListener(this); 3638 mPreDrawState = PREDRAW_NOT_REGISTERED; 3639 } 3640 } 3641 3642 if (mError != null) { 3643 hideError(); 3644 } 3645 } 3646 3647 @Override 3648 protected boolean isPaddingOffsetRequired() { 3649 return mShadowRadius != 0; 3650 } 3651 3652 @Override 3653 protected int getLeftPaddingOffset() { 3654 return (int) Math.min(0, mShadowDx - mShadowRadius); 3655 } 3656 3657 @Override 3658 protected int getTopPaddingOffset() { 3659 return (int) Math.min(0, mShadowDy - mShadowRadius); 3660 } 3661 3662 @Override 3663 protected int getBottomPaddingOffset() { 3664 return (int) Math.max(0, mShadowDy + mShadowRadius); 3665 } 3666 3667 @Override 3668 protected int getRightPaddingOffset() { 3669 return (int) Math.max(0, mShadowDx + mShadowRadius); 3670 } 3671 3672 @Override 3673 protected boolean verifyDrawable(Drawable who) { 3674 final boolean verified = super.verifyDrawable(who); 3675 if (!verified && mDrawables != null) { 3676 return who == mDrawables.mDrawableLeft || who == mDrawables.mDrawableTop || 3677 who == mDrawables.mDrawableRight || who == mDrawables.mDrawableBottom; 3678 } 3679 return verified; 3680 } 3681 3682 @Override 3683 protected void onDraw(Canvas canvas) { 3684 restartMarqueeIfNeeded(); 3685 3686 // Draw the background for this view 3687 super.onDraw(canvas); 3688 3689 final int compoundPaddingLeft = getCompoundPaddingLeft(); 3690 final int compoundPaddingTop = getCompoundPaddingTop(); 3691 final int compoundPaddingRight = getCompoundPaddingRight(); 3692 final int compoundPaddingBottom = getCompoundPaddingBottom(); 3693 final int scrollX = mScrollX; 3694 final int scrollY = mScrollY; 3695 final int right = mRight; 3696 final int left = mLeft; 3697 final int bottom = mBottom; 3698 final int top = mTop; 3699 3700 final Drawables dr = mDrawables; 3701 if (dr != null) { 3702 /* 3703 * Compound, not extended, because the icon is not clipped 3704 * if the text height is smaller. 3705 */ 3706 3707 int vspace = bottom - top - compoundPaddingBottom - compoundPaddingTop; 3708 int hspace = right - left - compoundPaddingRight - compoundPaddingLeft; 3709 3710 if (dr.mDrawableLeft != null) { 3711 canvas.save(); 3712 canvas.translate(scrollX + mPaddingLeft, 3713 scrollY + compoundPaddingTop + 3714 (vspace - dr.mDrawableHeightLeft) / 2); 3715 dr.mDrawableLeft.draw(canvas); 3716 canvas.restore(); 3717 } 3718 3719 if (dr.mDrawableRight != null) { 3720 canvas.save(); 3721 canvas.translate(scrollX + right - left - mPaddingRight - dr.mDrawableSizeRight, 3722 scrollY + compoundPaddingTop + (vspace - dr.mDrawableHeightRight) / 2); 3723 dr.mDrawableRight.draw(canvas); 3724 canvas.restore(); 3725 } 3726 3727 if (dr.mDrawableTop != null) { 3728 canvas.save(); 3729 canvas.translate(scrollX + compoundPaddingLeft + (hspace - dr.mDrawableWidthTop) / 2, 3730 scrollY + mPaddingTop); 3731 dr.mDrawableTop.draw(canvas); 3732 canvas.restore(); 3733 } 3734 3735 if (dr.mDrawableBottom != null) { 3736 canvas.save(); 3737 canvas.translate(scrollX + compoundPaddingLeft + 3738 (hspace - dr.mDrawableWidthBottom) / 2, 3739 scrollY + bottom - top - mPaddingBottom - dr.mDrawableSizeBottom); 3740 dr.mDrawableBottom.draw(canvas); 3741 canvas.restore(); 3742 } 3743 } 3744 3745 if (mPreDrawState == PREDRAW_DONE) { 3746 final ViewTreeObserver observer = getViewTreeObserver(); 3747 if (observer != null) { 3748 observer.removeOnPreDrawListener(this); 3749 mPreDrawState = PREDRAW_NOT_REGISTERED; 3750 } 3751 } 3752 3753 int color = mCurTextColor; 3754 3755 if (mLayout == null) { 3756 assumeLayout(); 3757 } 3758 3759 Layout layout = mLayout; 3760 int cursorcolor = color; 3761 3762 if (mHint != null && mText.length() == 0) { 3763 if (mHintTextColor != null) { 3764 color = mCurHintTextColor; 3765 } 3766 3767 layout = mHintLayout; 3768 } 3769 3770 mTextPaint.setColor(color); 3771 mTextPaint.drawableState = getDrawableState(); 3772 3773 canvas.save(); 3774 /* Would be faster if we didn't have to do this. Can we chop the 3775 (displayable) text so that we don't need to do this ever? 3776 */ 3777 3778 int extendedPaddingTop = getExtendedPaddingTop(); 3779 int extendedPaddingBottom = getExtendedPaddingBottom(); 3780 3781 float clipLeft = compoundPaddingLeft + scrollX; 3782 float clipTop = extendedPaddingTop + scrollY; 3783 float clipRight = right - left - compoundPaddingRight + scrollX; 3784 float clipBottom = bottom - top - extendedPaddingBottom + scrollY; 3785 3786 if (mShadowRadius != 0) { 3787 clipLeft += Math.min(0, mShadowDx - mShadowRadius); 3788 clipRight += Math.max(0, mShadowDx + mShadowRadius); 3789 3790 clipTop += Math.min(0, mShadowDy - mShadowRadius); 3791 clipBottom += Math.max(0, mShadowDy + mShadowRadius); 3792 } 3793 3794 canvas.clipRect(clipLeft, clipTop, clipRight, clipBottom); 3795 3796 int voffsetText = 0; 3797 int voffsetCursor = 0; 3798 3799 // translate in by our padding 3800 { 3801 /* shortcircuit calling getVerticaOffset() */ 3802 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 3803 voffsetText = getVerticalOffset(false); 3804 voffsetCursor = getVerticalOffset(true); 3805 } 3806 canvas.translate(compoundPaddingLeft, extendedPaddingTop + voffsetText); 3807 } 3808 3809 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 3810 if (!mSingleLine && getLineCount() == 1 && canMarquee() && 3811 (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) != Gravity.LEFT) { 3812 canvas.translate(mLayout.getLineRight(0) - (mRight - mLeft - 3813 getCompoundPaddingLeft() - getCompoundPaddingRight()), 0.0f); 3814 } 3815 3816 if (mMarquee != null && mMarquee.isRunning()) { 3817 canvas.translate(-mMarquee.mScroll, 0.0f); 3818 } 3819 } 3820 3821 Path highlight = null; 3822 int selStart = -1, selEnd = -1; 3823 3824 // If there is no movement method, then there can be no selection. 3825 // Check that first and attempt to skip everything having to do with 3826 // the cursor. 3827 // XXX This is not strictly true -- a program could set the 3828 // selection manually if it really wanted to. 3829 if (mMovement != null && (isFocused() || isPressed())) { 3830 selStart = Selection.getSelectionStart(mText); 3831 selEnd = Selection.getSelectionEnd(mText); 3832 3833 if (mCursorVisible && selStart >= 0 && isEnabled()) { 3834 if (mHighlightPath == null) 3835 mHighlightPath = new Path(); 3836 3837 if (selStart == selEnd) { 3838 if ((SystemClock.uptimeMillis() - mShowCursor) % (2 * BLINK) 3839 < BLINK) { 3840 if (mHighlightPathBogus) { 3841 mHighlightPath.reset(); 3842 mLayout.getCursorPath(selStart, mHighlightPath, mText); 3843 mHighlightPathBogus = false; 3844 } 3845 3846 // XXX should pass to skin instead of drawing directly 3847 mHighlightPaint.setColor(cursorcolor); 3848 mHighlightPaint.setStyle(Paint.Style.STROKE); 3849 3850 highlight = mHighlightPath; 3851 } 3852 } else { 3853 if (mHighlightPathBogus) { 3854 mHighlightPath.reset(); 3855 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 3856 mHighlightPathBogus = false; 3857 } 3858 3859 // XXX should pass to skin instead of drawing directly 3860 mHighlightPaint.setColor(mHighlightColor); 3861 mHighlightPaint.setStyle(Paint.Style.FILL); 3862 3863 highlight = mHighlightPath; 3864 } 3865 } 3866 } 3867 3868 /* Comment out until we decide what to do about animations 3869 boolean isLinearTextOn = false; 3870 if (currentTransformation != null) { 3871 isLinearTextOn = mTextPaint.isLinearTextOn(); 3872 Matrix m = currentTransformation.getMatrix(); 3873 if (!m.isIdentity()) { 3874 // mTextPaint.setLinearTextOn(true); 3875 } 3876 } 3877 */ 3878 3879 final InputMethodState ims = mInputMethodState; 3880 if (ims != null && ims.mBatchEditNesting == 0) { 3881 InputMethodManager imm = InputMethodManager.peekInstance(); 3882 if (imm != null) { 3883 if (imm.isActive(this)) { 3884 boolean reported = false; 3885 if (ims.mContentChanged || ims.mSelectionModeChanged) { 3886 // We are in extract mode and the content has changed 3887 // in some way... just report complete new text to the 3888 // input method. 3889 reported = reportExtractedText(); 3890 } 3891 if (!reported && highlight != null) { 3892 int candStart = -1; 3893 int candEnd = -1; 3894 if (mText instanceof Spannable) { 3895 Spannable sp = (Spannable)mText; 3896 candStart = EditableInputConnection.getComposingSpanStart(sp); 3897 candEnd = EditableInputConnection.getComposingSpanEnd(sp); 3898 } 3899 imm.updateSelection(this, selStart, selEnd, candStart, candEnd); 3900 } 3901 } 3902 3903 if (imm.isWatchingCursor(this) && highlight != null) { 3904 highlight.computeBounds(ims.mTmpRectF, true); 3905 ims.mTmpOffset[0] = ims.mTmpOffset[1] = 0; 3906 3907 canvas.getMatrix().mapPoints(ims.mTmpOffset); 3908 ims.mTmpRectF.offset(ims.mTmpOffset[0], ims.mTmpOffset[1]); 3909 3910 ims.mTmpRectF.offset(0, voffsetCursor - voffsetText); 3911 3912 ims.mCursorRectInWindow.set((int)(ims.mTmpRectF.left + 0.5), 3913 (int)(ims.mTmpRectF.top + 0.5), 3914 (int)(ims.mTmpRectF.right + 0.5), 3915 (int)(ims.mTmpRectF.bottom + 0.5)); 3916 3917 imm.updateCursor(this, 3918 ims.mCursorRectInWindow.left, ims.mCursorRectInWindow.top, 3919 ims.mCursorRectInWindow.right, ims.mCursorRectInWindow.bottom); 3920 } 3921 } 3922 } 3923 3924 layout.draw(canvas, highlight, mHighlightPaint, voffsetCursor - voffsetText); 3925 3926 if (mMarquee != null && mMarquee.shouldDrawGhost()) { 3927 canvas.translate((int) mMarquee.getGhostOffset(), 0.0f); 3928 layout.draw(canvas, highlight, mHighlightPaint, voffsetCursor - voffsetText); 3929 } 3930 3931 /* Comment out until we decide what to do about animations 3932 if (currentTransformation != null) { 3933 mTextPaint.setLinearTextOn(isLinearTextOn); 3934 } 3935 */ 3936 3937 canvas.restore(); 3938 } 3939 3940 @Override 3941 public void getFocusedRect(Rect r) { 3942 if (mLayout == null) { 3943 super.getFocusedRect(r); 3944 return; 3945 } 3946 3947 int sel = getSelectionEnd(); 3948 if (sel < 0) { 3949 super.getFocusedRect(r); 3950 return; 3951 } 3952 3953 int line = mLayout.getLineForOffset(sel); 3954 r.top = mLayout.getLineTop(line); 3955 r.bottom = mLayout.getLineBottom(line); 3956 3957 r.left = (int) mLayout.getPrimaryHorizontal(sel); 3958 r.right = r.left + 1; 3959 3960 // Adjust for padding and gravity. 3961 int paddingLeft = getCompoundPaddingLeft(); 3962 int paddingTop = getExtendedPaddingTop(); 3963 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 3964 paddingTop += getVerticalOffset(false); 3965 } 3966 r.offset(paddingLeft, paddingTop); 3967 } 3968 3969 /** 3970 * Return the number of lines of text, or 0 if the internal Layout has not 3971 * been built. 3972 */ 3973 public int getLineCount() { 3974 return mLayout != null ? mLayout.getLineCount() : 0; 3975 } 3976 3977 /** 3978 * Return the baseline for the specified line (0...getLineCount() - 1) 3979 * If bounds is not null, return the top, left, right, bottom extents 3980 * of the specified line in it. If the internal Layout has not been built, 3981 * return 0 and set bounds to (0, 0, 0, 0) 3982 * @param line which line to examine (0..getLineCount() - 1) 3983 * @param bounds Optional. If not null, it returns the extent of the line 3984 * @return the Y-coordinate of the baseline 3985 */ 3986 public int getLineBounds(int line, Rect bounds) { 3987 if (mLayout == null) { 3988 if (bounds != null) { 3989 bounds.set(0, 0, 0, 0); 3990 } 3991 return 0; 3992 } 3993 else { 3994 int baseline = mLayout.getLineBounds(line, bounds); 3995 3996 int voffset = getExtendedPaddingTop(); 3997 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 3998 voffset += getVerticalOffset(true); 3999 } 4000 if (bounds != null) { 4001 bounds.offset(getCompoundPaddingLeft(), voffset); 4002 } 4003 return baseline + voffset; 4004 } 4005 } 4006 4007 @Override 4008 public int getBaseline() { 4009 if (mLayout == null) { 4010 return super.getBaseline(); 4011 } 4012 4013 int voffset = 0; 4014 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 4015 voffset = getVerticalOffset(true); 4016 } 4017 4018 return getExtendedPaddingTop() + voffset + mLayout.getLineBaseline(0); 4019 } 4020 4021 @Override 4022 public boolean onKeyDown(int keyCode, KeyEvent event) { 4023 int which = doKeyDown(keyCode, event, null); 4024 if (which == 0) { 4025 // Go through default dispatching. 4026 return super.onKeyDown(keyCode, event); 4027 } 4028 4029 return true; 4030 } 4031 4032 @Override 4033 public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { 4034 KeyEvent down = KeyEvent.changeAction(event, KeyEvent.ACTION_DOWN); 4035 4036 int which = doKeyDown(keyCode, down, event); 4037 if (which == 0) { 4038 // Go through default dispatching. 4039 return super.onKeyMultiple(keyCode, repeatCount, event); 4040 } 4041 if (which == -1) { 4042 // Consumed the whole thing. 4043 return true; 4044 } 4045 4046 repeatCount--; 4047 4048 // We are going to dispatch the remaining events to either the input 4049 // or movement method. To do this, we will just send a repeated stream 4050 // of down and up events until we have done the complete repeatCount. 4051 // It would be nice if those interfaces had an onKeyMultiple() method, 4052 // but adding that is a more complicated change. 4053 KeyEvent up = KeyEvent.changeAction(event, KeyEvent.ACTION_UP); 4054 if (which == 1) { 4055 mInput.onKeyUp(this, (Editable)mText, keyCode, up); 4056 while (--repeatCount > 0) { 4057 mInput.onKeyDown(this, (Editable)mText, keyCode, down); 4058 mInput.onKeyUp(this, (Editable)mText, keyCode, up); 4059 } 4060 if (mError != null && !mErrorWasChanged) { 4061 setError(null, null); 4062 } 4063 4064 } else if (which == 2) { 4065 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 4066 while (--repeatCount > 0) { 4067 mMovement.onKeyDown(this, (Spannable)mText, keyCode, down); 4068 mMovement.onKeyUp(this, (Spannable)mText, keyCode, up); 4069 } 4070 } 4071 4072 return true; 4073 } 4074 4075 /** 4076 * Returns true if pressing ENTER in this field advances focus instead 4077 * of inserting the character. This is true mostly in single-line fields, 4078 * but also in mail addresses and subjects which will display on multiple 4079 * lines but where it doesn't make sense to insert newlines. 4080 */ 4081 private boolean shouldAdvanceFocusOnEnter() { 4082 if (mInput == null) { 4083 return false; 4084 } 4085 4086 if (mSingleLine) { 4087 return true; 4088 } 4089 4090 if ((mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 4091 int variation = mInputType & EditorInfo.TYPE_MASK_VARIATION; 4092 4093 if (variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_ADDRESS || 4094 variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT) { 4095 return true; 4096 } 4097 } 4098 4099 return false; 4100 } 4101 4102 private int doKeyDown(int keyCode, KeyEvent event, KeyEvent otherEvent) { 4103 if (!isEnabled()) { 4104 return 0; 4105 } 4106 4107 switch (keyCode) { 4108 case KeyEvent.KEYCODE_ENTER: 4109 // If ALT modifier is held, then we always insert a 4110 // newline character. 4111 if ((event.getMetaState()&KeyEvent.META_ALT_ON) == 0) { 4112 4113 // When mInputContentType is set, we know that we are 4114 // running in a "modern" cupcake environment, so don't need 4115 // to worry about the application trying to capture 4116 // enter key events. 4117 if (mInputContentType != null) { 4118 4119 // If there is an action listener, given them a 4120 // chance to consume the event. 4121 if (mInputContentType.onEditorActionListener != null && 4122 mInputContentType.onEditorActionListener.onEditorAction( 4123 this, EditorInfo.IME_NULL, event)) { 4124 mInputContentType.enterDown = true; 4125 // We are consuming the enter key for them. 4126 return -1; 4127 } 4128 } 4129 4130 // If our editor should move focus when enter is pressed, or 4131 // this is a generated event from an IME action button, then 4132 // don't let it be inserted into the text. 4133 if ((event.getFlags()&KeyEvent.FLAG_EDITOR_ACTION) != 0 4134 || shouldAdvanceFocusOnEnter()) { 4135 return -1; 4136 } 4137 } 4138 break; 4139 4140 case KeyEvent.KEYCODE_DPAD_CENTER: 4141 if (shouldAdvanceFocusOnEnter()) { 4142 return 0; 4143 } 4144 } 4145 4146 if (mInput != null) { 4147 /* 4148 * Keep track of what the error was before doing the input 4149 * so that if an input filter changed the error, we leave 4150 * that error showing. Otherwise, we take down whatever 4151 * error was showing when the user types something. 4152 */ 4153 mErrorWasChanged = false; 4154 4155 boolean doDown = true; 4156 if (otherEvent != null) { 4157 try { 4158 beginBatchEdit(); 4159 boolean handled = mInput.onKeyOther(this, (Editable) mText, 4160 otherEvent); 4161 if (mError != null && !mErrorWasChanged) { 4162 setError(null, null); 4163 } 4164 doDown = false; 4165 if (handled) { 4166 return -1; 4167 } 4168 } catch (AbstractMethodError e) { 4169 // onKeyOther was added after 1.0, so if it isn't 4170 // implemented we need to try to dispatch as a regular down. 4171 } finally { 4172 endBatchEdit(); 4173 } 4174 } 4175 4176 if (doDown) { 4177 beginBatchEdit(); 4178 if (mInput.onKeyDown(this, (Editable) mText, keyCode, event)) { 4179 endBatchEdit(); 4180 if (mError != null && !mErrorWasChanged) { 4181 setError(null, null); 4182 } 4183 return 1; 4184 } 4185 endBatchEdit(); 4186 } 4187 } 4188 4189 // bug 650865: sometimes we get a key event before a layout. 4190 // don't try to move around if we don't know the layout. 4191 4192 if (mMovement != null && mLayout != null) { 4193 boolean doDown = true; 4194 if (otherEvent != null) { 4195 try { 4196 boolean handled = mMovement.onKeyOther(this, (Spannable) mText, 4197 otherEvent); 4198 doDown = false; 4199 if (handled) { 4200 return -1; 4201 } 4202 } catch (AbstractMethodError e) { 4203 // onKeyOther was added after 1.0, so if it isn't 4204 // implemented we need to try to dispatch as a regular down. 4205 } 4206 } 4207 if (doDown) { 4208 if (mMovement.onKeyDown(this, (Spannable)mText, keyCode, event)) 4209 return 2; 4210 } 4211 } 4212 4213 return 0; 4214 } 4215 4216 @Override 4217 public boolean onKeyUp(int keyCode, KeyEvent event) { 4218 if (!isEnabled()) { 4219 return super.onKeyUp(keyCode, event); 4220 } 4221 4222 switch (keyCode) { 4223 case KeyEvent.KEYCODE_DPAD_CENTER: 4224 /* 4225 * If there is a click listener, just call through to 4226 * super, which will invoke it. 4227 * 4228 * If there isn't a click listener, try to show the soft 4229 * input method. (It will also 4230 * call performClick(), but that won't do anything in 4231 * this case.) 4232 */ 4233 if (mOnClickListener == null) { 4234 if (mMovement != null && mText instanceof Editable 4235 && mLayout != null && onCheckIsTextEditor()) { 4236 InputMethodManager imm = (InputMethodManager) 4237 getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 4238 imm.showSoftInput(this, 0); 4239 } 4240 } 4241 return super.onKeyUp(keyCode, event); 4242 4243 case KeyEvent.KEYCODE_ENTER: 4244 if (mInputContentType != null 4245 && mInputContentType.onEditorActionListener != null 4246 && mInputContentType.enterDown) { 4247 mInputContentType.enterDown = false; 4248 if (mInputContentType.onEditorActionListener.onEditorAction( 4249 this, EditorInfo.IME_NULL, event)) { 4250 return true; 4251 } 4252 } 4253 4254 if ((event.getFlags()&KeyEvent.FLAG_EDITOR_ACTION) != 0 4255 || shouldAdvanceFocusOnEnter()) { 4256 /* 4257 * If there is a click listener, just call through to 4258 * super, which will invoke it. 4259 * 4260 * If there isn't a click listener, try to advance focus, 4261 * but still call through to super, which will reset the 4262 * pressed state and longpress state. (It will also 4263 * call performClick(), but that won't do anything in 4264 * this case.) 4265 */ 4266 if (mOnClickListener == null) { 4267 View v = focusSearch(FOCUS_DOWN); 4268 4269 if (v != null) { 4270 if (!v.requestFocus(FOCUS_DOWN)) { 4271 throw new IllegalStateException("focus search returned a view " + 4272 "that wasn't able to take focus!"); 4273 } 4274 4275 /* 4276 * Return true because we handled the key; super 4277 * will return false because there was no click 4278 * listener. 4279 */ 4280 super.onKeyUp(keyCode, event); 4281 return true; 4282 } else if ((event.getFlags() 4283 & KeyEvent.FLAG_EDITOR_ACTION) != 0) { 4284 // No target for next focus, but make sure the IME 4285 // if this came from it. 4286 InputMethodManager imm = InputMethodManager.peekInstance(); 4287 if (imm != null) { 4288 imm.hideSoftInputFromWindow(getWindowToken(), 0); 4289 } 4290 } 4291 } 4292 4293 return super.onKeyUp(keyCode, event); 4294 } 4295 } 4296 4297 if (mInput != null) 4298 if (mInput.onKeyUp(this, (Editable) mText, keyCode, event)) 4299 return true; 4300 4301 if (mMovement != null && mLayout != null) 4302 if (mMovement.onKeyUp(this, (Spannable) mText, keyCode, event)) 4303 return true; 4304 4305 return super.onKeyUp(keyCode, event); 4306 } 4307 4308 @Override public boolean onCheckIsTextEditor() { 4309 return mInputType != EditorInfo.TYPE_NULL; 4310 } 4311 4312 @Override public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 4313 if (onCheckIsTextEditor()) { 4314 if (mInputMethodState == null) { 4315 mInputMethodState = new InputMethodState(); 4316 } 4317 outAttrs.inputType = mInputType; 4318 if (mInputContentType != null) { 4319 outAttrs.imeOptions = mInputContentType.imeOptions; 4320 outAttrs.privateImeOptions = mInputContentType.privateImeOptions; 4321 outAttrs.actionLabel = mInputContentType.imeActionLabel; 4322 outAttrs.actionId = mInputContentType.imeActionId; 4323 outAttrs.extras = mInputContentType.extras; 4324 } else { 4325 outAttrs.imeOptions = EditorInfo.IME_NULL; 4326 } 4327 if ((outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION) 4328 == EditorInfo.IME_ACTION_UNSPECIFIED) { 4329 if (focusSearch(FOCUS_DOWN) != null) { 4330 // An action has not been set, but the enter key will move to 4331 // the next focus, so set the action to that. 4332 outAttrs.imeOptions |= EditorInfo.IME_ACTION_NEXT; 4333 } else { 4334 // An action has not been set, and there is no focus to move 4335 // to, so let's just supply a "done" action. 4336 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 4337 } 4338 if (!shouldAdvanceFocusOnEnter()) { 4339 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 4340 } 4341 } 4342 if ((outAttrs.inputType & (InputType.TYPE_MASK_CLASS 4343 | InputType.TYPE_TEXT_FLAG_MULTI_LINE)) 4344 == (InputType.TYPE_CLASS_TEXT 4345 | InputType.TYPE_TEXT_FLAG_MULTI_LINE)) { 4346 // Multi-line text editors should always show an enter key. 4347 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 4348 } 4349 outAttrs.hintText = mHint; 4350 if (mText instanceof Editable) { 4351 InputConnection ic = new EditableInputConnection(this); 4352 outAttrs.initialSelStart = Selection.getSelectionStart(mText); 4353 outAttrs.initialSelEnd = Selection.getSelectionEnd(mText); 4354 outAttrs.initialCapsMode = ic.getCursorCapsMode(mInputType); 4355 return ic; 4356 } 4357 } 4358 return null; 4359 } 4360 4361 /** 4362 * If this TextView contains editable content, extract a portion of it 4363 * based on the information in <var>request</var> in to <var>outText</var>. 4364 * @return Returns true if the text was successfully extracted, else false. 4365 */ 4366 public boolean extractText(ExtractedTextRequest request, 4367 ExtractedText outText) { 4368 return extractTextInternal(request, EXTRACT_UNKNOWN, EXTRACT_UNKNOWN, 4369 EXTRACT_UNKNOWN, outText); 4370 } 4371 4372 static final int EXTRACT_NOTHING = -2; 4373 static final int EXTRACT_UNKNOWN = -1; 4374 4375 boolean extractTextInternal(ExtractedTextRequest request, 4376 int partialStartOffset, int partialEndOffset, int delta, 4377 ExtractedText outText) { 4378 final CharSequence content = mText; 4379 if (content != null) { 4380 if (partialStartOffset != EXTRACT_NOTHING) { 4381 final int N = content.length(); 4382 if (partialStartOffset < 0) { 4383 outText.partialStartOffset = outText.partialEndOffset = -1; 4384 partialStartOffset = 0; 4385 partialEndOffset = N; 4386 } else { 4387 // Adjust offsets to ensure we contain full spans. 4388 if (content instanceof Spanned) { 4389 Spanned spanned = (Spanned)content; 4390 Object[] spans = spanned.getSpans(partialStartOffset, 4391 partialEndOffset, ParcelableSpan.class); 4392 int i = spans.length; 4393 while (i > 0) { 4394 i--; 4395 int j = spanned.getSpanStart(spans[i]); 4396 if (j < partialStartOffset) partialStartOffset = j; 4397 j = spanned.getSpanEnd(spans[i]); 4398 if (j > partialEndOffset) partialEndOffset = j; 4399 } 4400 } 4401 outText.partialStartOffset = partialStartOffset; 4402 outText.partialEndOffset = partialEndOffset; 4403 // Now use the delta to determine the actual amount of text 4404 // we need. 4405 partialEndOffset += delta; 4406 if (partialEndOffset > N) { 4407 partialEndOffset = N; 4408 } else if (partialEndOffset < 0) { 4409 partialEndOffset = 0; 4410 } 4411 } 4412 if ((request.flags&InputConnection.GET_TEXT_WITH_STYLES) != 0) { 4413 outText.text = content.subSequence(partialStartOffset, 4414 partialEndOffset); 4415 } else { 4416 outText.text = TextUtils.substring(content, partialStartOffset, 4417 partialEndOffset); 4418 } 4419 } 4420 outText.flags = 0; 4421 if (MetaKeyKeyListener.getMetaState(mText, MetaKeyKeyListener.META_SELECTING) != 0) { 4422 outText.flags |= ExtractedText.FLAG_SELECTING; 4423 } 4424 if (mSingleLine) { 4425 outText.flags |= ExtractedText.FLAG_SINGLE_LINE; 4426 } 4427 outText.startOffset = 0; 4428 outText.selectionStart = Selection.getSelectionStart(content); 4429 outText.selectionEnd = Selection.getSelectionEnd(content); 4430 return true; 4431 } 4432 return false; 4433 } 4434 4435 boolean reportExtractedText() { 4436 final InputMethodState ims = mInputMethodState; 4437 final boolean contentChanged = ims.mContentChanged; 4438 if (ims != null && (contentChanged || ims.mSelectionModeChanged)) { 4439 ims.mContentChanged = false; 4440 ims.mSelectionModeChanged = false; 4441 final ExtractedTextRequest req = mInputMethodState.mExtracting; 4442 if (req != null) { 4443 InputMethodManager imm = InputMethodManager.peekInstance(); 4444 if (imm != null) { 4445 if (DEBUG_EXTRACT) Log.v(TAG, "Retrieving extracted start=" 4446 + ims.mChangedStart + " end=" + ims.mChangedEnd 4447 + " delta=" + ims.mChangedDelta); 4448 if (ims.mChangedStart < 0 && !contentChanged) { 4449 ims.mChangedStart = EXTRACT_NOTHING; 4450 } 4451 if (extractTextInternal(req, ims.mChangedStart, ims.mChangedEnd, 4452 ims.mChangedDelta, ims.mTmpExtracted)) { 4453 if (DEBUG_EXTRACT) Log.v(TAG, "Reporting extracted start=" 4454 + ims.mTmpExtracted.partialStartOffset 4455 + " end=" + ims.mTmpExtracted.partialEndOffset 4456 + ": " + ims.mTmpExtracted.text); 4457 imm.updateExtractedText(this, req.token, 4458 mInputMethodState.mTmpExtracted); 4459 return true; 4460 } 4461 } 4462 } 4463 } 4464 return false; 4465 } 4466 4467 /** 4468 * This is used to remove all style-impacting spans from text before new 4469 * extracted text is being replaced into it, so that we don't have any 4470 * lingering spans applied during the replace. 4471 */ 4472 static void removeParcelableSpans(Spannable spannable, int start, int end) { 4473 Object[] spans = spannable.getSpans(start, end, ParcelableSpan.class); 4474 int i = spans.length; 4475 while (i > 0) { 4476 i--; 4477 spannable.removeSpan(spans[i]); 4478 } 4479 } 4480 4481 /** 4482 * Apply to this text view the given extracted text, as previously 4483 * returned by {@link #extractText(ExtractedTextRequest, ExtractedText)}. 4484 */ 4485 public void setExtractedText(ExtractedText text) { 4486 Editable content = getEditableText(); 4487 if (text.text != null) { 4488 if (content == null) { 4489 setText(text.text, TextView.BufferType.EDITABLE); 4490 } else if (text.partialStartOffset < 0) { 4491 removeParcelableSpans(content, 0, content.length()); 4492 content.replace(0, content.length(), text.text); 4493 } else { 4494 final int N = content.length(); 4495 int start = text.partialStartOffset; 4496 if (start > N) start = N; 4497 int end = text.partialEndOffset; 4498 if (end > N) end = N; 4499 removeParcelableSpans(content, start, end); 4500 content.replace(start, end, text.text); 4501 } 4502 } 4503 4504 // Now set the selection position... make sure it is in range, to 4505 // avoid crashes. If this is a partial update, it is possible that 4506 // the underlying text may have changed, causing us problems here. 4507 // Also we just don't want to trust clients to do the right thing. 4508 Spannable sp = (Spannable)getText(); 4509 final int N = sp.length(); 4510 int start = text.selectionStart; 4511 if (start < 0) start = 0; 4512 else if (start > N) start = N; 4513 int end = text.selectionEnd; 4514 if (end < 0) end = 0; 4515 else if (end > N) end = N; 4516 Selection.setSelection(sp, start, end); 4517 4518 // Finally, update the selection mode. 4519 if ((text.flags&ExtractedText.FLAG_SELECTING) != 0) { 4520 MetaKeyKeyListener.startSelecting(this, sp); 4521 } else { 4522 MetaKeyKeyListener.stopSelecting(this, sp); 4523 } 4524 } 4525 4526 /** 4527 * @hide 4528 */ 4529 public void setExtracting(ExtractedTextRequest req) { 4530 if (mInputMethodState != null) { 4531 mInputMethodState.mExtracting = req; 4532 } 4533 } 4534 4535 /** 4536 * Called by the framework in response to a text completion from 4537 * the current input method, provided by it calling 4538 * {@link InputConnection#commitCompletion 4539 * InputConnection.commitCompletion()}. The default implementation does 4540 * nothing; text views that are supporting auto-completion should override 4541 * this to do their desired behavior. 4542 * 4543 * @param text The auto complete text the user has selected. 4544 */ 4545 public void onCommitCompletion(CompletionInfo text) { 4546 } 4547 4548 public void beginBatchEdit() { 4549 final InputMethodState ims = mInputMethodState; 4550 if (ims != null) { 4551 int nesting = ++ims.mBatchEditNesting; 4552 if (nesting == 1) { 4553 ims.mCursorChanged = false; 4554 ims.mChangedDelta = 0; 4555 if (ims.mContentChanged) { 4556 // We already have a pending change from somewhere else, 4557 // so turn this into a full update. 4558 ims.mChangedStart = 0; 4559 ims.mChangedEnd = mText.length(); 4560 } else { 4561 ims.mChangedStart = EXTRACT_UNKNOWN; 4562 ims.mChangedEnd = EXTRACT_UNKNOWN; 4563 ims.mContentChanged = false; 4564 } 4565 onBeginBatchEdit(); 4566 } 4567 } 4568 } 4569 4570 public void endBatchEdit() { 4571 final InputMethodState ims = mInputMethodState; 4572 if (ims != null) { 4573 int nesting = --ims.mBatchEditNesting; 4574 if (nesting == 0) { 4575 finishBatchEdit(ims); 4576 } 4577 } 4578 } 4579 4580 void ensureEndedBatchEdit() { 4581 final InputMethodState ims = mInputMethodState; 4582 if (ims != null && ims.mBatchEditNesting != 0) { 4583 ims.mBatchEditNesting = 0; 4584 finishBatchEdit(ims); 4585 } 4586 } 4587 4588 void finishBatchEdit(final InputMethodState ims) { 4589 onEndBatchEdit(); 4590 4591 if (ims.mContentChanged || ims.mSelectionModeChanged) { 4592 updateAfterEdit(); 4593 reportExtractedText(); 4594 } else if (ims.mCursorChanged) { 4595 // Cheezy way to get us to report the current cursor location. 4596 invalidateCursor(); 4597 } 4598 } 4599 4600 void updateAfterEdit() { 4601 invalidate(); 4602 int curs = Selection.getSelectionStart(mText); 4603 4604 if (curs >= 0 || (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == 4605 Gravity.BOTTOM) { 4606 registerForPreDraw(); 4607 } 4608 4609 if (curs >= 0) { 4610 mHighlightPathBogus = true; 4611 4612 if (isFocused()) { 4613 mShowCursor = SystemClock.uptimeMillis(); 4614 makeBlink(); 4615 } 4616 } 4617 4618 checkForResize(); 4619 } 4620 4621 /** 4622 * Called by the framework in response to a request to begin a batch 4623 * of edit operations through a call to link {@link #beginBatchEdit()}. 4624 */ 4625 public void onBeginBatchEdit() { 4626 } 4627 4628 /** 4629 * Called by the framework in response to a request to end a batch 4630 * of edit operations through a call to link {@link #endBatchEdit}. 4631 */ 4632 public void onEndBatchEdit() { 4633 } 4634 4635 /** 4636 * Called by the framework in response to a private command from the 4637 * current method, provided by it calling 4638 * {@link InputConnection#performPrivateCommand 4639 * InputConnection.performPrivateCommand()}. 4640 * 4641 * @param action The action name of the command. 4642 * @param data Any additional data for the command. This may be null. 4643 * @return Return true if you handled the command, else false. 4644 */ 4645 public boolean onPrivateIMECommand(String action, Bundle data) { 4646 return false; 4647 } 4648 4649 private void nullLayouts() { 4650 if (mLayout instanceof BoringLayout && mSavedLayout == null) { 4651 mSavedLayout = (BoringLayout) mLayout; 4652 } 4653 if (mHintLayout instanceof BoringLayout && mSavedHintLayout == null) { 4654 mSavedHintLayout = (BoringLayout) mHintLayout; 4655 } 4656 4657 mLayout = mHintLayout = null; 4658 } 4659 4660 /** 4661 * Make a new Layout based on the already-measured size of the view, 4662 * on the assumption that it was measured correctly at some point. 4663 */ 4664 private void assumeLayout() { 4665 int width = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 4666 4667 if (width < 1) { 4668 width = 0; 4669 } 4670 4671 int physicalWidth = width; 4672 4673 if (mHorizontallyScrolling) { 4674 width = VERY_WIDE; 4675 } 4676 4677 makeNewLayout(width, physicalWidth, UNKNOWN_BORING, UNKNOWN_BORING, 4678 physicalWidth, false); 4679 } 4680 4681 /** 4682 * The width passed in is now the desired layout width, 4683 * not the full view width with padding. 4684 * {@hide} 4685 */ 4686 protected void makeNewLayout(int w, int hintWidth, 4687 BoringLayout.Metrics boring, 4688 BoringLayout.Metrics hintBoring, 4689 int ellipsisWidth, boolean bringIntoView) { 4690 stopMarquee(); 4691 4692 mHighlightPathBogus = true; 4693 4694 if (w < 0) { 4695 w = 0; 4696 } 4697 if (hintWidth < 0) { 4698 hintWidth = 0; 4699 } 4700 4701 Layout.Alignment alignment; 4702 switch (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) { 4703 case Gravity.CENTER_HORIZONTAL: 4704 alignment = Layout.Alignment.ALIGN_CENTER; 4705 break; 4706 4707 case Gravity.RIGHT: 4708 alignment = Layout.Alignment.ALIGN_OPPOSITE; 4709 break; 4710 4711 default: 4712 alignment = Layout.Alignment.ALIGN_NORMAL; 4713 } 4714 4715 if (mText instanceof Spannable) { 4716 mLayout = new DynamicLayout(mText, mTransformed, mTextPaint, w, 4717 alignment, mSpacingMult, 4718 mSpacingAdd, mIncludePad, mEllipsize, 4719 ellipsisWidth); 4720 } else { 4721 if (boring == UNKNOWN_BORING) { 4722 boring = BoringLayout.isBoring(mTransformed, mTextPaint, 4723 mBoring); 4724 if (boring != null) { 4725 mBoring = boring; 4726 } 4727 } 4728 4729 if (boring != null) { 4730 if (boring.width <= w && 4731 (mEllipsize == null || boring.width <= ellipsisWidth)) { 4732 if (mSavedLayout != null) { 4733 mLayout = mSavedLayout. 4734 replaceOrMake(mTransformed, mTextPaint, 4735 w, alignment, mSpacingMult, mSpacingAdd, 4736 boring, mIncludePad); 4737 } else { 4738 mLayout = BoringLayout.make(mTransformed, mTextPaint, 4739 w, alignment, mSpacingMult, mSpacingAdd, 4740 boring, mIncludePad); 4741 } 4742 // Log.e("aaa", "Boring: " + mTransformed); 4743 4744 mSavedLayout = (BoringLayout) mLayout; 4745 } else if (mEllipsize != null && boring.width <= w) { 4746 if (mSavedLayout != null) { 4747 mLayout = mSavedLayout. 4748 replaceOrMake(mTransformed, mTextPaint, 4749 w, alignment, mSpacingMult, mSpacingAdd, 4750 boring, mIncludePad, mEllipsize, 4751 ellipsisWidth); 4752 } else { 4753 mLayout = BoringLayout.make(mTransformed, mTextPaint, 4754 w, alignment, mSpacingMult, mSpacingAdd, 4755 boring, mIncludePad, mEllipsize, 4756 ellipsisWidth); 4757 } 4758 } else if (mEllipsize != null) { 4759 mLayout = new StaticLayout(mTransformed, 4760 0, mTransformed.length(), 4761 mTextPaint, w, alignment, mSpacingMult, 4762 mSpacingAdd, mIncludePad, mEllipsize, 4763 ellipsisWidth); 4764 } else { 4765 mLayout = new StaticLayout(mTransformed, mTextPaint, 4766 w, alignment, mSpacingMult, mSpacingAdd, 4767 mIncludePad); 4768 // Log.e("aaa", "Boring but wide: " + mTransformed); 4769 } 4770 } else if (mEllipsize != null) { 4771 mLayout = new StaticLayout(mTransformed, 4772 0, mTransformed.length(), 4773 mTextPaint, w, alignment, mSpacingMult, 4774 mSpacingAdd, mIncludePad, mEllipsize, 4775 ellipsisWidth); 4776 } else { 4777 mLayout = new StaticLayout(mTransformed, mTextPaint, 4778 w, alignment, mSpacingMult, mSpacingAdd, 4779 mIncludePad); 4780 } 4781 } 4782 4783 mHintLayout = null; 4784 4785 if (mHint != null) { 4786 if (hintBoring == UNKNOWN_BORING) { 4787 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, 4788 mHintBoring); 4789 if (hintBoring != null) { 4790 mHintBoring = hintBoring; 4791 } 4792 } 4793 4794 if (hintBoring != null) { 4795 if (hintBoring.width <= hintWidth) { 4796 if (mSavedHintLayout != null) { 4797 mHintLayout = mSavedHintLayout. 4798 replaceOrMake(mHint, mTextPaint, 4799 hintWidth, alignment, mSpacingMult, 4800 mSpacingAdd, hintBoring, mIncludePad); 4801 } else { 4802 mHintLayout = BoringLayout.make(mHint, mTextPaint, 4803 hintWidth, alignment, mSpacingMult, 4804 mSpacingAdd, hintBoring, mIncludePad); 4805 } 4806 4807 mSavedHintLayout = (BoringLayout) mHintLayout; 4808 } else { 4809 mHintLayout = new StaticLayout(mHint, mTextPaint, 4810 hintWidth, alignment, mSpacingMult, mSpacingAdd, 4811 mIncludePad); 4812 } 4813 } else { 4814 mHintLayout = new StaticLayout(mHint, mTextPaint, 4815 hintWidth, alignment, mSpacingMult, mSpacingAdd, 4816 mIncludePad); 4817 } 4818 } 4819 4820 if (bringIntoView) { 4821 registerForPreDraw(); 4822 } 4823 4824 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 4825 if (!compressText(ellipsisWidth)) { 4826 final int height = mLayoutParams.height; 4827 // If the size of the view does not depend on the size of the text, try to 4828 // start the marquee immediately 4829 if (height != LayoutParams.WRAP_CONTENT && height != LayoutParams.FILL_PARENT) { 4830 startMarquee(); 4831 } else { 4832 // Defer the start of the marquee until we know our width (see setFrame()) 4833 mRestartMarquee = true; 4834 } 4835 } 4836 } 4837 } 4838 4839 private boolean compressText(float width) { 4840 // Only compress the text if it hasn't been compressed by the previous pass 4841 if (width > 0.0f && mLayout != null && getLineCount() == 1 && !mUserSetTextScaleX && 4842 mTextPaint.getTextScaleX() == 1.0f) { 4843 final float textWidth = mLayout.getLineWidth(0); 4844 final float overflow = (textWidth + 1.0f - width) / width; 4845 if (overflow > 0.0f && overflow <= Marquee.MARQUEE_DELTA_MAX) { 4846 mTextPaint.setTextScaleX(1.0f - overflow - 0.005f); 4847 post(new Runnable() { 4848 public void run() { 4849 requestLayout(); 4850 } 4851 }); 4852 return true; 4853 } 4854 } 4855 4856 return false; 4857 } 4858 4859 private static int desired(Layout layout) { 4860 int n = layout.getLineCount(); 4861 CharSequence text = layout.getText(); 4862 float max = 0; 4863 4864 // if any line was wrapped, we can't use it. 4865 // but it's ok for the last line not to have a newline 4866 4867 for (int i = 0; i < n - 1; i++) { 4868 if (text.charAt(layout.getLineEnd(i) - 1) != '\n') 4869 return -1; 4870 } 4871 4872 for (int i = 0; i < n; i++) { 4873 max = Math.max(max, layout.getLineWidth(i)); 4874 } 4875 4876 return (int) FloatMath.ceil(max); 4877 } 4878 4879 /** 4880 * Set whether the TextView includes extra top and bottom padding to make 4881 * room for accents that go above the normal ascent and descent. 4882 * The default is true. 4883 * 4884 * @attr ref android.R.styleable#TextView_includeFontPadding 4885 */ 4886 public void setIncludeFontPadding(boolean includepad) { 4887 mIncludePad = includepad; 4888 4889 if (mLayout != null) { 4890 nullLayouts(); 4891 requestLayout(); 4892 invalidate(); 4893 } 4894 } 4895 4896 private static final BoringLayout.Metrics UNKNOWN_BORING = 4897 new BoringLayout.Metrics(); 4898 4899 @Override 4900 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 4901 int widthMode = MeasureSpec.getMode(widthMeasureSpec); 4902 int heightMode = MeasureSpec.getMode(heightMeasureSpec); 4903 int widthSize = MeasureSpec.getSize(widthMeasureSpec); 4904 int heightSize = MeasureSpec.getSize(heightMeasureSpec); 4905 4906 int width; 4907 int height; 4908 4909 BoringLayout.Metrics boring = UNKNOWN_BORING; 4910 BoringLayout.Metrics hintBoring = UNKNOWN_BORING; 4911 4912 int des = -1; 4913 boolean fromexisting = false; 4914 4915 if (widthMode == MeasureSpec.EXACTLY) { 4916 // Parent has told us how big to be. So be it. 4917 width = widthSize; 4918 } else { 4919 if (mLayout != null && mEllipsize == null) { 4920 des = desired(mLayout); 4921 } 4922 4923 if (des < 0) { 4924 boring = BoringLayout.isBoring(mTransformed, mTextPaint, 4925 mBoring); 4926 if (boring != null) { 4927 mBoring = boring; 4928 } 4929 } else { 4930 fromexisting = true; 4931 } 4932 4933 if (boring == null || boring == UNKNOWN_BORING) { 4934 if (des < 0) { 4935 des = (int) FloatMath.ceil(Layout. 4936 getDesiredWidth(mTransformed, mTextPaint)); 4937 } 4938 4939 width = des; 4940 } else { 4941 width = boring.width; 4942 } 4943 4944 final Drawables dr = mDrawables; 4945 if (dr != null) { 4946 width = Math.max(width, dr.mDrawableWidthTop); 4947 width = Math.max(width, dr.mDrawableWidthBottom); 4948 } 4949 4950 if (mHint != null) { 4951 int hintDes = -1; 4952 int hintWidth; 4953 4954 if (mHintLayout != null) { 4955 hintDes = desired(mHintLayout); 4956 } 4957 4958 if (hintDes < 0) { 4959 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, 4960 mHintBoring); 4961 if (hintBoring != null) { 4962 mHintBoring = hintBoring; 4963 } 4964 } 4965 4966 if (hintBoring == null || hintBoring == UNKNOWN_BORING) { 4967 if (hintDes < 0) { 4968 hintDes = (int) FloatMath.ceil(Layout. 4969 getDesiredWidth(mHint, mTextPaint)); 4970 } 4971 4972 hintWidth = hintDes; 4973 } else { 4974 hintWidth = hintBoring.width; 4975 } 4976 4977 if (hintWidth > width) { 4978 width = hintWidth; 4979 } 4980 } 4981 4982 width += getCompoundPaddingLeft() + getCompoundPaddingRight(); 4983 4984 if (mMaxWidthMode == EMS) { 4985 width = Math.min(width, mMaxWidth * getLineHeight()); 4986 } else { 4987 width = Math.min(width, mMaxWidth); 4988 } 4989 4990 if (mMinWidthMode == EMS) { 4991 width = Math.max(width, mMinWidth * getLineHeight()); 4992 } else { 4993 width = Math.max(width, mMinWidth); 4994 } 4995 4996 // Check against our minimum width 4997 width = Math.max(width, getSuggestedMinimumWidth()); 4998 4999 if (widthMode == MeasureSpec.AT_MOST) { 5000 width = Math.min(widthSize, width); 5001 } 5002 } 5003 5004 int want = width - getCompoundPaddingLeft() - getCompoundPaddingRight(); 5005 int unpaddedWidth = want; 5006 int hintWant = want; 5007 5008 if (mHorizontallyScrolling) 5009 want = VERY_WIDE; 5010 5011 int hintWidth = mHintLayout == null ? hintWant : mHintLayout.getWidth(); 5012 5013 if (mLayout == null) { 5014 makeNewLayout(want, hintWant, boring, hintBoring, 5015 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), 5016 false); 5017 } else if ((mLayout.getWidth() != want) || (hintWidth != hintWant) || 5018 (mLayout.getEllipsizedWidth() != 5019 width - getCompoundPaddingLeft() - getCompoundPaddingRight())) { 5020 if (mHint == null && mEllipsize == null && 5021 want > mLayout.getWidth() && 5022 (mLayout instanceof BoringLayout || 5023 (fromexisting && des >= 0 && des <= want))) { 5024 mLayout.increaseWidthTo(want); 5025 } else { 5026 makeNewLayout(want, hintWant, boring, hintBoring, 5027 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), 5028 false); 5029 } 5030 } else { 5031 // Width has not changed. 5032 } 5033 5034 if (heightMode == MeasureSpec.EXACTLY) { 5035 // Parent has told us how big to be. So be it. 5036 height = heightSize; 5037 mDesiredHeightAtMeasure = -1; 5038 } else { 5039 int desired = getDesiredHeight(); 5040 5041 height = desired; 5042 mDesiredHeightAtMeasure = desired; 5043 5044 if (heightMode == MeasureSpec.AT_MOST) { 5045 height = Math.min(desired, height); 5046 } 5047 } 5048 5049 int unpaddedHeight = height - getCompoundPaddingTop() - 5050 getCompoundPaddingBottom(); 5051 if (mMaxMode == LINES && mLayout.getLineCount() > mMaximum) { 5052 unpaddedHeight = Math.min(unpaddedHeight, 5053 mLayout.getLineTop(mMaximum)); 5054 } 5055 5056 /* 5057 * We didn't let makeNewLayout() register to bring the cursor into view, 5058 * so do it here if there is any possibility that it is needed. 5059 */ 5060 if (mMovement != null || 5061 mLayout.getWidth() > unpaddedWidth || 5062 mLayout.getHeight() > unpaddedHeight) { 5063 registerForPreDraw(); 5064 } else { 5065 scrollTo(0, 0); 5066 } 5067 5068 setMeasuredDimension(width, height); 5069 } 5070 5071 private int getDesiredHeight() { 5072 return Math.max(getDesiredHeight(mLayout, true), 5073 getDesiredHeight(mHintLayout, false)); 5074 } 5075 5076 private int getDesiredHeight(Layout layout, boolean cap) { 5077 if (layout == null) { 5078 return 0; 5079 } 5080 5081 int linecount = layout.getLineCount(); 5082 int pad = getCompoundPaddingTop() + getCompoundPaddingBottom(); 5083 int desired = layout.getLineTop(linecount); 5084 5085 final Drawables dr = mDrawables; 5086 if (dr != null) { 5087 desired = Math.max(desired, dr.mDrawableHeightLeft); 5088 desired = Math.max(desired, dr.mDrawableHeightRight); 5089 } 5090 5091 desired += pad; 5092 5093 if (mMaxMode == LINES) { 5094 /* 5095 * Don't cap the hint to a certain number of lines. 5096 * (Do cap it, though, if we have a maximum pixel height.) 5097 */ 5098 if (cap) { 5099 if (linecount > mMaximum) { 5100 desired = layout.getLineTop(mMaximum) + 5101 layout.getBottomPadding(); 5102 5103 if (dr != null) { 5104 desired = Math.max(desired, dr.mDrawableHeightLeft); 5105 desired = Math.max(desired, dr.mDrawableHeightRight); 5106 } 5107 5108 desired += pad; 5109 linecount = mMaximum; 5110 } 5111 } 5112 } else { 5113 desired = Math.min(desired, mMaximum); 5114 } 5115 5116 if (mMinMode == LINES) { 5117 if (linecount < mMinimum) { 5118 desired += getLineHeight() * (mMinimum - linecount); 5119 } 5120 } else { 5121 desired = Math.max(desired, mMinimum); 5122 } 5123 5124 // Check against our minimum height 5125 desired = Math.max(desired, getSuggestedMinimumHeight()); 5126 5127 return desired; 5128 } 5129 5130 /** 5131 * Check whether a change to the existing text layout requires a 5132 * new view layout. 5133 */ 5134 private void checkForResize() { 5135 boolean sizeChanged = false; 5136 5137 if (mLayout != null) { 5138 // Check if our width changed 5139 if (mLayoutParams.width == LayoutParams.WRAP_CONTENT) { 5140 sizeChanged = true; 5141 invalidate(); 5142 } 5143 5144 // Check if our height changed 5145 if (mLayoutParams.height == LayoutParams.WRAP_CONTENT) { 5146 int desiredHeight = getDesiredHeight(); 5147 5148 if (desiredHeight != this.getHeight()) { 5149 sizeChanged = true; 5150 } 5151 } else if (mLayoutParams.height == LayoutParams.FILL_PARENT) { 5152 if (mDesiredHeightAtMeasure >= 0) { 5153 int desiredHeight = getDesiredHeight(); 5154 5155 if (desiredHeight != mDesiredHeightAtMeasure) { 5156 sizeChanged = true; 5157 } 5158 } 5159 } 5160 } 5161 5162 if (sizeChanged) { 5163 requestLayout(); 5164 // caller will have already invalidated 5165 } 5166 } 5167 5168 /** 5169 * Check whether entirely new text requires a new view layout 5170 * or merely a new text layout. 5171 */ 5172 private void checkForRelayout() { 5173 // If we have a fixed width, we can just swap in a new text layout 5174 // if the text height stays the same or if the view height is fixed. 5175 5176 if ((mLayoutParams.width != LayoutParams.WRAP_CONTENT || 5177 (mMaxWidthMode == mMinWidthMode && mMaxWidth == mMinWidth)) && 5178 (mHint == null || mHintLayout != null) && 5179 (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight() > 0)) { 5180 // Static width, so try making a new text layout. 5181 5182 int oldht = mLayout.getHeight(); 5183 int want = mLayout.getWidth(); 5184 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 5185 5186 /* 5187 * No need to bring the text into view, since the size is not 5188 * changing (unless we do the requestLayout(), in which case it 5189 * will happen at measure). 5190 */ 5191 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 5192 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 5193 5194 // In a fixed-height view, so use our new text layout. 5195 if (mLayoutParams.height != LayoutParams.WRAP_CONTENT && 5196 mLayoutParams.height != LayoutParams.FILL_PARENT) { 5197 invalidate(); 5198 return; 5199 } 5200 5201 // Dynamic height, but height has stayed the same, 5202 // so use our new text layout. 5203 if (mLayout.getHeight() == oldht && 5204 (mHintLayout == null || mHintLayout.getHeight() == oldht)) { 5205 invalidate(); 5206 return; 5207 } 5208 5209 // We lose: the height has changed and we have a dynamic height. 5210 // Request a new view layout using our new text layout. 5211 requestLayout(); 5212 invalidate(); 5213 } else { 5214 // Dynamic width, so we have no choice but to request a new 5215 // view layout with a new text layout. 5216 5217 nullLayouts(); 5218 requestLayout(); 5219 invalidate(); 5220 } 5221 } 5222 5223 /** 5224 * Returns true if anything changed. 5225 */ 5226 private boolean bringTextIntoView() { 5227 int line = 0; 5228 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 5229 line = mLayout.getLineCount() - 1; 5230 } 5231 5232 Layout.Alignment a = mLayout.getParagraphAlignment(line); 5233 int dir = mLayout.getParagraphDirection(line); 5234 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 5235 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 5236 int ht = mLayout.getHeight(); 5237 5238 int scrollx, scrolly; 5239 5240 if (a == Layout.Alignment.ALIGN_CENTER) { 5241 /* 5242 * Keep centered if possible, or, if it is too wide to fit, 5243 * keep leading edge in view. 5244 */ 5245 5246 int left = (int) FloatMath.floor(mLayout.getLineLeft(line)); 5247 int right = (int) FloatMath.ceil(mLayout.getLineRight(line)); 5248 5249 if (right - left < hspace) { 5250 scrollx = (right + left) / 2 - hspace / 2; 5251 } else { 5252 if (dir < 0) { 5253 scrollx = right - hspace; 5254 } else { 5255 scrollx = left; 5256 } 5257 } 5258 } else if (a == Layout.Alignment.ALIGN_NORMAL) { 5259 /* 5260 * Keep leading edge in view. 5261 */ 5262 5263 if (dir < 0) { 5264 int right = (int) FloatMath.ceil(mLayout.getLineRight(line)); 5265 scrollx = right - hspace; 5266 } else { 5267 scrollx = (int) FloatMath.floor(mLayout.getLineLeft(line)); 5268 } 5269 } else /* a == Layout.Alignment.ALIGN_OPPOSITE */ { 5270 /* 5271 * Keep trailing edge in view. 5272 */ 5273 5274 if (dir < 0) { 5275 scrollx = (int) FloatMath.floor(mLayout.getLineLeft(line)); 5276 } else { 5277 int right = (int) FloatMath.ceil(mLayout.getLineRight(line)); 5278 scrollx = right - hspace; 5279 } 5280 } 5281 5282 if (ht < vspace) { 5283 scrolly = 0; 5284 } else { 5285 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 5286 scrolly = ht - vspace; 5287 } else { 5288 scrolly = 0; 5289 } 5290 } 5291 5292 if (scrollx != mScrollX || scrolly != mScrollY) { 5293 scrollTo(scrollx, scrolly); 5294 return true; 5295 } else { 5296 return false; 5297 } 5298 } 5299 5300 /** 5301 * Move the point, specified by the offset, into the view if it is needed. 5302 * This has to be called after layout. Returns true if anything changed. 5303 */ 5304 public boolean bringPointIntoView(int offset) { 5305 boolean changed = false; 5306 5307 int line = mLayout.getLineForOffset(offset); 5308 5309 // FIXME: Is it okay to truncate this, or should we round? 5310 final int x = (int)mLayout.getPrimaryHorizontal(offset); 5311 final int top = mLayout.getLineTop(line); 5312 final int bottom = mLayout.getLineTop(line+1); 5313 5314 int left = (int) FloatMath.floor(mLayout.getLineLeft(line)); 5315 int right = (int) FloatMath.ceil(mLayout.getLineRight(line)); 5316 int ht = mLayout.getHeight(); 5317 5318 int grav; 5319 5320 switch (mLayout.getParagraphAlignment(line)) { 5321 case ALIGN_NORMAL: 5322 grav = 1; 5323 break; 5324 5325 case ALIGN_OPPOSITE: 5326 grav = -1; 5327 break; 5328 5329 default: 5330 grav = 0; 5331 } 5332 5333 grav *= mLayout.getParagraphDirection(line); 5334 5335 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 5336 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 5337 5338 int hslack = (bottom - top) / 2; 5339 int vslack = hslack; 5340 5341 if (vslack > vspace / 4) 5342 vslack = vspace / 4; 5343 if (hslack > hspace / 4) 5344 hslack = hspace / 4; 5345 5346 int hs = mScrollX; 5347 int vs = mScrollY; 5348 5349 if (top - vs < vslack) 5350 vs = top - vslack; 5351 if (bottom - vs > vspace - vslack) 5352 vs = bottom - (vspace - vslack); 5353 if (ht - vs < vspace) 5354 vs = ht - vspace; 5355 if (0 - vs > 0) 5356 vs = 0; 5357 5358 if (grav != 0) { 5359 if (x - hs < hslack) { 5360 hs = x - hslack; 5361 } 5362 if (x - hs > hspace - hslack) { 5363 hs = x - (hspace - hslack); 5364 } 5365 } 5366 5367 if (grav < 0) { 5368 if (left - hs > 0) 5369 hs = left; 5370 if (right - hs < hspace) 5371 hs = right - hspace; 5372 } else if (grav > 0) { 5373 if (right - hs < hspace) 5374 hs = right - hspace; 5375 if (left - hs > 0) 5376 hs = left; 5377 } else /* grav == 0 */ { 5378 if (right - left <= hspace) { 5379 /* 5380 * If the entire text fits, center it exactly. 5381 */ 5382 hs = left - (hspace - (right - left)) / 2; 5383 } else if (x > right - hslack) { 5384 /* 5385 * If we are near the right edge, keep the right edge 5386 * at the edge of the view. 5387 */ 5388 hs = right - hspace; 5389 } else if (x < left + hslack) { 5390 /* 5391 * If we are near the left edge, keep the left edge 5392 * at the edge of the view. 5393 */ 5394 hs = left; 5395 } else if (left > hs) { 5396 /* 5397 * Is there whitespace visible at the left? Fix it if so. 5398 */ 5399 hs = left; 5400 } else if (right < hs + hspace) { 5401 /* 5402 * Is there whitespace visible at the right? Fix it if so. 5403 */ 5404 hs = right - hspace; 5405 } else { 5406 /* 5407 * Otherwise, float as needed. 5408 */ 5409 if (x - hs < hslack) { 5410 hs = x - hslack; 5411 } 5412 if (x - hs > hspace - hslack) { 5413 hs = x - (hspace - hslack); 5414 } 5415 } 5416 } 5417 5418 if (hs != mScrollX || vs != mScrollY) { 5419 if (mScroller == null) { 5420 scrollTo(hs, vs); 5421 } else { 5422 long duration = AnimationUtils.currentAnimationTimeMillis() - mLastScroll; 5423 int dx = hs - mScrollX; 5424 int dy = vs - mScrollY; 5425 5426 if (duration > ANIMATED_SCROLL_GAP) { 5427 mScroller.startScroll(mScrollX, mScrollY, dx, dy); 5428 invalidate(); 5429 } else { 5430 if (!mScroller.isFinished()) { 5431 mScroller.abortAnimation(); 5432 } 5433 5434 scrollBy(dx, dy); 5435 } 5436 5437 mLastScroll = AnimationUtils.currentAnimationTimeMillis(); 5438 } 5439 5440 changed = true; 5441 } 5442 5443 if (isFocused()) { 5444 // This offsets because getInterestingRect() is in terms of 5445 // viewport coordinates, but requestRectangleOnScreen() 5446 // is in terms of content coordinates. 5447 5448 Rect r = new Rect(); 5449 getInterestingRect(r, x, top, bottom, line); 5450 r.offset(mScrollX, mScrollY); 5451 5452 if (requestRectangleOnScreen(r)) { 5453 changed = true; 5454 } 5455 } 5456 5457 return changed; 5458 } 5459 5460 /** 5461 * Move the cursor, if needed, so that it is at an offset that is visible 5462 * to the user. This will not move the cursor if it represents more than 5463 * one character (a selection range). This will only work if the 5464 * TextView contains spannable text; otherwise it will do nothing. 5465 */ 5466 public boolean moveCursorToVisibleOffset() { 5467 if (!(mText instanceof Spannable)) { 5468 return false; 5469 } 5470 int start = Selection.getSelectionStart(mText); 5471 int end = Selection.getSelectionEnd(mText); 5472 if (start != end) { 5473 return false; 5474 } 5475 5476 // First: make sure the line is visible on screen: 5477 5478 int line = mLayout.getLineForOffset(start); 5479 5480 final int top = mLayout.getLineTop(line); 5481 final int bottom = mLayout.getLineTop(line+1); 5482 final int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 5483 int vslack = (bottom - top) / 2; 5484 if (vslack > vspace / 4) 5485 vslack = vspace / 4; 5486 final int vs = mScrollY; 5487 5488 if (top < (vs+vslack)) { 5489 line = mLayout.getLineForVertical(vs+vslack+(bottom-top)); 5490 } else if (bottom > (vspace+vs-vslack)) { 5491 line = mLayout.getLineForVertical(vspace+vs-vslack-(bottom-top)); 5492 } 5493 5494 // Next: make sure the character is visible on screen: 5495 5496 final int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 5497 final int hs = mScrollX; 5498 final int leftChar = mLayout.getOffsetForHorizontal(line, hs); 5499 final int rightChar = mLayout.getOffsetForHorizontal(line, hspace+hs); 5500 5501 int newStart = start; 5502 if (newStart < leftChar) { 5503 newStart = leftChar; 5504 } else if (newStart > rightChar) { 5505 newStart = rightChar; 5506 } 5507 5508 if (newStart != start) { 5509 Selection.setSelection((Spannable)mText, newStart); 5510 return true; 5511 } 5512 5513 return false; 5514 } 5515 5516 @Override 5517 public void computeScroll() { 5518 if (mScroller != null) { 5519 if (mScroller.computeScrollOffset()) { 5520 mScrollX = mScroller.getCurrX(); 5521 mScrollY = mScroller.getCurrY(); 5522 postInvalidate(); // So we draw again 5523 } 5524 } 5525 } 5526 5527 private void getInterestingRect(Rect r, int h, int top, int bottom, 5528 int line) { 5529 int paddingTop = getExtendedPaddingTop(); 5530 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 5531 paddingTop += getVerticalOffset(false); 5532 } 5533 top += paddingTop; 5534 bottom += paddingTop; 5535 h += getCompoundPaddingLeft(); 5536 5537 if (line == 0) 5538 top -= getExtendedPaddingTop(); 5539 if (line == mLayout.getLineCount() - 1) 5540 bottom += getExtendedPaddingBottom(); 5541 5542 r.set(h, top, h+1, bottom); 5543 r.offset(-mScrollX, -mScrollY); 5544 } 5545 5546 @Override 5547 public void debug(int depth) { 5548 super.debug(depth); 5549 5550 String output = debugIndent(depth); 5551 output += "frame={" + mLeft + ", " + mTop + ", " + mRight 5552 + ", " + mBottom + "} scroll={" + mScrollX + ", " + mScrollY 5553 + "} "; 5554 5555 if (mText != null) { 5556 5557 output += "mText=\"" + mText + "\" "; 5558 if (mLayout != null) { 5559 output += "mLayout width=" + mLayout.getWidth() 5560 + " height=" + mLayout.getHeight(); 5561 } 5562 } else { 5563 output += "mText=NULL"; 5564 } 5565 Log.d(VIEW_LOG_TAG, output); 5566 } 5567 5568 /** 5569 * Convenience for {@link Selection#getSelectionStart}. 5570 */ 5571 public int getSelectionStart() { 5572 return Selection.getSelectionStart(getText()); 5573 } 5574 5575 /** 5576 * Convenience for {@link Selection#getSelectionEnd}. 5577 */ 5578 public int getSelectionEnd() { 5579 return Selection.getSelectionEnd(getText()); 5580 } 5581 5582 /** 5583 * Return true iff there is a selection inside this text view. 5584 */ 5585 public boolean hasSelection() { 5586 return getSelectionStart() != getSelectionEnd(); 5587 } 5588 5589 /** 5590 * Sets the properties of this field (lines, horizontally scrolling, 5591 * transformation method) to be for a single-line input. 5592 * 5593 * @attr ref android.R.styleable#TextView_singleLine 5594 */ 5595 public void setSingleLine() { 5596 setSingleLine(true); 5597 } 5598 5599 /** 5600 * If true, sets the properties of this field (lines, horizontally 5601 * scrolling, transformation method) to be for a single-line input; 5602 * if false, restores these to the default conditions. 5603 * Note that calling this with false restores default conditions, 5604 * not necessarily those that were in effect prior to calling 5605 * it with true. 5606 * 5607 * @attr ref android.R.styleable#TextView_singleLine 5608 */ 5609 @android.view.RemotableViewMethod 5610 public void setSingleLine(boolean singleLine) { 5611 if ((mInputType&EditorInfo.TYPE_MASK_CLASS) 5612 == EditorInfo.TYPE_CLASS_TEXT) { 5613 if (singleLine) { 5614 mInputType &= ~EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 5615 } else { 5616 mInputType |= EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 5617 } 5618 } 5619 applySingleLine(singleLine, true); 5620 } 5621 5622 private void applySingleLine(boolean singleLine, boolean applyTransformation) { 5623 mSingleLine = singleLine; 5624 if (singleLine) { 5625 setLines(1); 5626 setHorizontallyScrolling(true); 5627 if (applyTransformation) { 5628 setTransformationMethod(SingleLineTransformationMethod. 5629 getInstance()); 5630 } 5631 } else { 5632 setMaxLines(Integer.MAX_VALUE); 5633 setHorizontallyScrolling(false); 5634 if (applyTransformation) { 5635 setTransformationMethod(null); 5636 } 5637 } 5638 } 5639 5640 /** 5641 * Causes words in the text that are longer than the view is wide 5642 * to be ellipsized instead of broken in the middle. You may also 5643 * want to {@link #setSingleLine} or {@link #setHorizontallyScrolling} 5644 * to constrain the text toa single line. Use <code>null</code> 5645 * to turn off ellipsizing. 5646 * 5647 * @attr ref android.R.styleable#TextView_ellipsize 5648 */ 5649 public void setEllipsize(TextUtils.TruncateAt where) { 5650 mEllipsize = where; 5651 5652 if (mLayout != null) { 5653 nullLayouts(); 5654 requestLayout(); 5655 invalidate(); 5656 } 5657 } 5658 5659 /** 5660 * Sets how many times to repeat the marquee animation. Only applied if the 5661 * TextView has marquee enabled. Set to -1 to repeat indefinitely. 5662 * 5663 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 5664 */ 5665 public void setMarqueeRepeatLimit(int marqueeLimit) { 5666 mMarqueeRepeatLimit = marqueeLimit; 5667 } 5668 5669 /** 5670 * Returns where, if anywhere, words that are longer than the view 5671 * is wide should be ellipsized. 5672 */ 5673 @ViewDebug.ExportedProperty 5674 public TextUtils.TruncateAt getEllipsize() { 5675 return mEllipsize; 5676 } 5677 5678 /** 5679 * Set the TextView so that when it takes focus, all the text is 5680 * selected. 5681 * 5682 * @attr ref android.R.styleable#TextView_selectAllOnFocus 5683 */ 5684 @android.view.RemotableViewMethod 5685 public void setSelectAllOnFocus(boolean selectAllOnFocus) { 5686 mSelectAllOnFocus = selectAllOnFocus; 5687 5688 if (selectAllOnFocus && !(mText instanceof Spannable)) { 5689 setText(mText, BufferType.SPANNABLE); 5690 } 5691 } 5692 5693 /** 5694 * Set whether the cursor is visible. The default is true. 5695 * 5696 * @attr ref android.R.styleable#TextView_cursorVisible 5697 */ 5698 @android.view.RemotableViewMethod 5699 public void setCursorVisible(boolean visible) { 5700 mCursorVisible = visible; 5701 invalidate(); 5702 5703 if (visible) { 5704 makeBlink(); 5705 } else if (mBlink != null) { 5706 mBlink.removeCallbacks(mBlink); 5707 } 5708 } 5709 5710 private boolean canMarquee() { 5711 int width = (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight()); 5712 return width > 0 && mLayout.getLineWidth(0) > width; 5713 } 5714 5715 private void startMarquee() { 5716 if (compressText(getWidth() - getCompoundPaddingLeft() - getCompoundPaddingRight())) { 5717 return; 5718 } 5719 5720 if ((mMarquee == null || mMarquee.isStopped()) && (isFocused() || isSelected()) && 5721 getLineCount() == 1 && canMarquee()) { 5722 5723 if (mMarquee == null) mMarquee = new Marquee(this); 5724 mMarquee.start(mMarqueeRepeatLimit); 5725 } 5726 } 5727 5728 private void stopMarquee() { 5729 if (mMarquee != null && !mMarquee.isStopped()) { 5730 mMarquee.stop(); 5731 } 5732 } 5733 5734 private void startStopMarquee(boolean start) { 5735 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 5736 if (start) { 5737 startMarquee(); 5738 } else { 5739 stopMarquee(); 5740 } 5741 } 5742 } 5743 5744 private static final class Marquee extends Handler { 5745 // TODO: Add an option to configure this 5746 private static final float MARQUEE_DELTA_MAX = 0.07f; 5747 private static final int MARQUEE_DELAY = 1200; 5748 private static final int MARQUEE_RESTART_DELAY = 1200; 5749 private static final int MARQUEE_RESOLUTION = 1000 / 30; 5750 private static final int MARQUEE_PIXELS_PER_SECOND = 30; 5751 5752 private static final byte MARQUEE_STOPPED = 0x0; 5753 private static final byte MARQUEE_STARTING = 0x1; 5754 private static final byte MARQUEE_RUNNING = 0x2; 5755 5756 private static final int MESSAGE_START = 0x1; 5757 private static final int MESSAGE_TICK = 0x2; 5758 private static final int MESSAGE_RESTART = 0x3; 5759 5760 private final WeakReference<TextView> mView; 5761 5762 private byte mStatus = MARQUEE_STOPPED; 5763 private float mScrollUnit; 5764 private float mMaxScroll; 5765 float mMaxFadeScroll; 5766 private float mGhostStart; 5767 private float mGhostOffset; 5768 private float mFadeStop; 5769 private int mRepeatLimit; 5770 5771 float mScroll; 5772 5773 Marquee(TextView v) { 5774 final float density = v.getContext().getResources().getDisplayMetrics().density; 5775 mScrollUnit = (MARQUEE_PIXELS_PER_SECOND * density) / (float) MARQUEE_RESOLUTION; 5776 mView = new WeakReference<TextView>(v); 5777 } 5778 5779 @Override 5780 public void handleMessage(Message msg) { 5781 switch (msg.what) { 5782 case MESSAGE_START: 5783 mStatus = MARQUEE_RUNNING; 5784 tick(); 5785 break; 5786 case MESSAGE_TICK: 5787 tick(); 5788 break; 5789 case MESSAGE_RESTART: 5790 if (mStatus == MARQUEE_RUNNING) { 5791 if (mRepeatLimit >= 0) { 5792 mRepeatLimit--; 5793 } 5794 start(mRepeatLimit); 5795 } 5796 break; 5797 } 5798 } 5799 5800 void tick() { 5801 if (mStatus != MARQUEE_RUNNING) { 5802 return; 5803 } 5804 5805 removeMessages(MESSAGE_TICK); 5806 5807 final TextView textView = mView.get(); 5808 if (textView != null && (textView.isFocused() || textView.isSelected())) { 5809 mScroll += mScrollUnit; 5810 if (mScroll > mMaxScroll) { 5811 mScroll = mMaxScroll; 5812 sendEmptyMessageDelayed(MESSAGE_RESTART, MARQUEE_RESTART_DELAY); 5813 } else { 5814 sendEmptyMessageDelayed(MESSAGE_TICK, MARQUEE_RESOLUTION); 5815 } 5816 textView.invalidate(); 5817 } 5818 } 5819 5820 void stop() { 5821 mStatus = MARQUEE_STOPPED; 5822 removeMessages(MESSAGE_START); 5823 removeMessages(MESSAGE_RESTART); 5824 removeMessages(MESSAGE_TICK); 5825 resetScroll(); 5826 } 5827 5828 private void resetScroll() { 5829 mScroll = 0.0f; 5830 final TextView textView = mView.get(); 5831 if (textView != null) textView.invalidate(); 5832 } 5833 5834 void start(int repeatLimit) { 5835 if (repeatLimit == 0) { 5836 stop(); 5837 return; 5838 } 5839 mRepeatLimit = repeatLimit; 5840 final TextView textView = mView.get(); 5841 if (textView != null && textView.mLayout != null) { 5842 mStatus = MARQUEE_STARTING; 5843 mScroll = 0.0f; 5844 final int textWidth = textView.getWidth() - textView.getCompoundPaddingLeft() - 5845 textView.getCompoundPaddingRight(); 5846 final float lineWidth = textView.mLayout.getLineWidth(0); 5847 final float gap = textWidth / 3.0f; 5848 mGhostStart = lineWidth - textWidth + gap; 5849 mMaxScroll = mGhostStart + textWidth; 5850 mGhostOffset = lineWidth + gap; 5851 mFadeStop = lineWidth + textWidth / 6.0f; 5852 mMaxFadeScroll = mGhostStart + lineWidth + lineWidth; 5853 5854 textView.invalidate(); 5855 sendEmptyMessageDelayed(MESSAGE_START, MARQUEE_DELAY); 5856 } 5857 } 5858 5859 float getGhostOffset() { 5860 return mGhostOffset; 5861 } 5862 5863 boolean shouldDrawLeftFade() { 5864 return mScroll <= mFadeStop; 5865 } 5866 5867 boolean shouldDrawGhost() { 5868 return mStatus == MARQUEE_RUNNING && mScroll > mGhostStart; 5869 } 5870 5871 boolean isRunning() { 5872 return mStatus == MARQUEE_RUNNING; 5873 } 5874 5875 boolean isStopped() { 5876 return mStatus == MARQUEE_STOPPED; 5877 } 5878 } 5879 5880 /** 5881 * This method is called when the text is changed, in case any 5882 * subclasses would like to know. 5883 * 5884 * @param text The text the TextView is displaying. 5885 * @param start The offset of the start of the range of the text 5886 * that was modified. 5887 * @param before The offset of the former end of the range of the 5888 * text that was modified. If text was simply inserted, 5889 * this will be the same as <code>start</code>. 5890 * If text was replaced with new text or deleted, the 5891 * length of the old text was <code>before-start</code>. 5892 * @param after The offset of the end of the range of the text 5893 * that was modified. If text was simply deleted, 5894 * this will be the same as <code>start</code>. 5895 * If text was replaced with new text or inserted, 5896 * the length of the new text is <code>after-start</code>. 5897 */ 5898 protected void onTextChanged(CharSequence text, 5899 int start, int before, int after) { 5900 } 5901 5902 /** 5903 * This method is called when the selection has changed, in case any 5904 * subclasses would like to know. 5905 * 5906 * @param selStart The new selection start location. 5907 * @param selEnd The new selection end location. 5908 */ 5909 protected void onSelectionChanged(int selStart, int selEnd) { 5910 } 5911 5912 /** 5913 * Adds a TextWatcher to the list of those whose methods are called 5914 * whenever this TextView's text changes. 5915 * <p> 5916 * In 1.0, the {@link TextWatcher#afterTextChanged} method was erroneously 5917 * not called after {@link #setText} calls. Now, doing {@link #setText} 5918 * if there are any text changed listeners forces the buffer type to 5919 * Editable if it would not otherwise be and does call this method. 5920 */ 5921 public void addTextChangedListener(TextWatcher watcher) { 5922 if (mListeners == null) { 5923 mListeners = new ArrayList<TextWatcher>(); 5924 } 5925 5926 mListeners.add(watcher); 5927 } 5928 5929 /** 5930 * Removes the specified TextWatcher from the list of those whose 5931 * methods are called 5932 * whenever this TextView's text changes. 5933 */ 5934 public void removeTextChangedListener(TextWatcher watcher) { 5935 if (mListeners != null) { 5936 int i = mListeners.indexOf(watcher); 5937 5938 if (i >= 0) { 5939 mListeners.remove(i); 5940 } 5941 } 5942 } 5943 5944 private void sendBeforeTextChanged(CharSequence text, int start, int before, 5945 int after) { 5946 if (mListeners != null) { 5947 final ArrayList<TextWatcher> list = mListeners; 5948 final int count = list.size(); 5949 for (int i = 0; i < count; i++) { 5950 list.get(i).beforeTextChanged(text, start, before, after); 5951 } 5952 } 5953 } 5954 5955 /** 5956 * Not private so it can be called from an inner class without going 5957 * through a thunk. 5958 */ 5959 void sendOnTextChanged(CharSequence text, int start, int before, 5960 int after) { 5961 if (mListeners != null) { 5962 final ArrayList<TextWatcher> list = mListeners; 5963 final int count = list.size(); 5964 for (int i = 0; i < count; i++) { 5965 list.get(i).onTextChanged(text, start, before, after); 5966 } 5967 } 5968 } 5969 5970 /** 5971 * Not private so it can be called from an inner class without going 5972 * through a thunk. 5973 */ 5974 void sendAfterTextChanged(Editable text) { 5975 if (mListeners != null) { 5976 final ArrayList<TextWatcher> list = mListeners; 5977 final int count = list.size(); 5978 for (int i = 0; i < count; i++) { 5979 list.get(i).afterTextChanged(text); 5980 } 5981 } 5982 } 5983 5984 /** 5985 * Not private so it can be called from an inner class without going 5986 * through a thunk. 5987 */ 5988 void handleTextChanged(CharSequence buffer, int start, 5989 int before, int after) { 5990 final InputMethodState ims = mInputMethodState; 5991 if (ims == null || ims.mBatchEditNesting == 0) { 5992 updateAfterEdit(); 5993 } 5994 if (ims != null) { 5995 ims.mContentChanged = true; 5996 if (ims.mChangedStart < 0) { 5997 ims.mChangedStart = start; 5998 ims.mChangedEnd = start+before; 5999 } else { 6000 if (ims.mChangedStart > start) ims.mChangedStart = start; 6001 if (ims.mChangedEnd < (start+before)) ims.mChangedEnd = start+before; 6002 } 6003 ims.mChangedDelta += after-before; 6004 } 6005 6006 sendOnTextChanged(buffer, start, before, after); 6007 onTextChanged(buffer, start, before, after); 6008 } 6009 6010 /** 6011 * Not private so it can be called from an inner class without going 6012 * through a thunk. 6013 */ 6014 void spanChange(Spanned buf, Object what, int oldStart, int newStart, 6015 int oldEnd, int newEnd) { 6016 // XXX Make the start and end move together if this ends up 6017 // spending too much time invalidating. 6018 6019 boolean selChanged = false; 6020 int newSelStart=-1, newSelEnd=-1; 6021 6022 final InputMethodState ims = mInputMethodState; 6023 6024 if (what == Selection.SELECTION_END) { 6025 mHighlightPathBogus = true; 6026 selChanged = true; 6027 newSelEnd = newStart; 6028 6029 if (!isFocused()) { 6030 mSelectionMoved = true; 6031 } 6032 6033 if (oldStart >= 0 || newStart >= 0) { 6034 invalidateCursor(Selection.getSelectionStart(buf), oldStart, newStart); 6035 registerForPreDraw(); 6036 6037 if (isFocused()) { 6038 mShowCursor = SystemClock.uptimeMillis(); 6039 makeBlink(); 6040 } 6041 } 6042 } 6043 6044 if (what == Selection.SELECTION_START) { 6045 mHighlightPathBogus = true; 6046 selChanged = true; 6047 newSelStart = newStart; 6048 6049 if (!isFocused()) { 6050 mSelectionMoved = true; 6051 } 6052 6053 if (oldStart >= 0 || newStart >= 0) { 6054 int end = Selection.getSelectionEnd(buf); 6055 invalidateCursor(end, oldStart, newStart); 6056 } 6057 } 6058 6059 if (selChanged) { 6060 if ((buf.getSpanFlags(what)&Spanned.SPAN_INTERMEDIATE) == 0) { 6061 if (newSelStart < 0) { 6062 newSelStart = Selection.getSelectionStart(buf); 6063 } 6064 if (newSelEnd < 0) { 6065 newSelEnd = Selection.getSelectionEnd(buf); 6066 } 6067 onSelectionChanged(newSelStart, newSelEnd); 6068 } 6069 } 6070 6071 if (what instanceof UpdateAppearance || 6072 what instanceof ParagraphStyle) { 6073 if (ims == null || ims.mBatchEditNesting == 0) { 6074 invalidate(); 6075 mHighlightPathBogus = true; 6076 checkForResize(); 6077 } else { 6078 ims.mContentChanged = true; 6079 } 6080 } 6081 6082 if (MetaKeyKeyListener.isMetaTracker(buf, what)) { 6083 mHighlightPathBogus = true; 6084 if (ims != null && MetaKeyKeyListener.isSelectingMetaTracker(buf, what)) { 6085 ims.mSelectionModeChanged = true; 6086 } 6087 6088 if (Selection.getSelectionStart(buf) >= 0) { 6089 if (ims == null || ims.mBatchEditNesting == 0) { 6090 invalidateCursor(); 6091 } else { 6092 ims.mCursorChanged = true; 6093 } 6094 } 6095 } 6096 6097 if (what instanceof ParcelableSpan) { 6098 // If this is a span that can be sent to a remote process, 6099 // the current extract editor would be interested in it. 6100 if (ims != null && ims.mExtracting != null) { 6101 if (ims.mBatchEditNesting != 0) { 6102 if (oldStart >= 0) { 6103 if (ims.mChangedStart > oldStart) { 6104 ims.mChangedStart = oldStart; 6105 } 6106 if (ims.mChangedStart > oldEnd) { 6107 ims.mChangedStart = oldEnd; 6108 } 6109 } 6110 if (newStart >= 0) { 6111 if (ims.mChangedStart > newStart) { 6112 ims.mChangedStart = newStart; 6113 } 6114 if (ims.mChangedStart > newEnd) { 6115 ims.mChangedStart = newEnd; 6116 } 6117 } 6118 } else { 6119 if (DEBUG_EXTRACT) Log.v(TAG, "Span change outside of batch: " 6120 + oldStart + "-" + oldEnd + "," 6121 + newStart + "-" + newEnd + what); 6122 ims.mContentChanged = true; 6123 } 6124 } 6125 } 6126 } 6127 6128 private class ChangeWatcher 6129 implements TextWatcher, SpanWatcher { 6130 public void beforeTextChanged(CharSequence buffer, int start, 6131 int before, int after) { 6132 if (DEBUG_EXTRACT) Log.v(TAG, "beforeTextChanged start=" + start 6133 + " before=" + before + " after=" + after + ": " + buffer); 6134 TextView.this.sendBeforeTextChanged(buffer, start, before, after); 6135 } 6136 6137 public void onTextChanged(CharSequence buffer, int start, 6138 int before, int after) { 6139 if (DEBUG_EXTRACT) Log.v(TAG, "onTextChanged start=" + start 6140 + " before=" + before + " after=" + after + ": " + buffer); 6141 TextView.this.handleTextChanged(buffer, start, before, after); 6142 } 6143 6144 public void afterTextChanged(Editable buffer) { 6145 if (DEBUG_EXTRACT) Log.v(TAG, "afterTextChanged: " + buffer); 6146 TextView.this.sendAfterTextChanged(buffer); 6147 6148 if (MetaKeyKeyListener.getMetaState(buffer, 6149 MetaKeyKeyListener.META_SELECTING) != 0) { 6150 MetaKeyKeyListener.stopSelecting(TextView.this, buffer); 6151 } 6152 } 6153 6154 public void onSpanChanged(Spannable buf, 6155 Object what, int s, int e, int st, int en) { 6156 if (DEBUG_EXTRACT) Log.v(TAG, "onSpanChanged s=" + s + " e=" + e 6157 + " st=" + st + " en=" + en + " what=" + what + ": " + buf); 6158 TextView.this.spanChange(buf, what, s, st, e, en); 6159 } 6160 6161 public void onSpanAdded(Spannable buf, Object what, int s, int e) { 6162 if (DEBUG_EXTRACT) Log.v(TAG, "onSpanAdded s=" + s + " e=" + e 6163 + " what=" + what + ": " + buf); 6164 TextView.this.spanChange(buf, what, -1, s, -1, e); 6165 } 6166 6167 public void onSpanRemoved(Spannable buf, Object what, int s, int e) { 6168 if (DEBUG_EXTRACT) Log.v(TAG, "onSpanRemoved s=" + s + " e=" + e 6169 + " what=" + what + ": " + buf); 6170 TextView.this.spanChange(buf, what, s, -1, e, -1); 6171 } 6172 } 6173 6174 private void makeBlink() { 6175 if (!mCursorVisible) { 6176 if (mBlink != null) { 6177 mBlink.removeCallbacks(mBlink); 6178 } 6179 6180 return; 6181 } 6182 6183 if (mBlink == null) 6184 mBlink = new Blink(this); 6185 6186 mBlink.removeCallbacks(mBlink); 6187 mBlink.postAtTime(mBlink, mShowCursor + BLINK); 6188 } 6189 6190 @Override 6191 public void onStartTemporaryDetach() { 6192 mTemporaryDetach = true; 6193 } 6194 6195 @Override 6196 public void onFinishTemporaryDetach() { 6197 mTemporaryDetach = false; 6198 } 6199 6200 @Override 6201 protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { 6202 if (mTemporaryDetach) { 6203 // If we are temporarily in the detach state, then do nothing. 6204 super.onFocusChanged(focused, direction, previouslyFocusedRect); 6205 return; 6206 } 6207 6208 mShowCursor = SystemClock.uptimeMillis(); 6209 6210 ensureEndedBatchEdit(); 6211 6212 if (focused) { 6213 int selStart = getSelectionStart(); 6214 int selEnd = getSelectionEnd(); 6215 6216 if (!mFrozenWithFocus || (selStart < 0 || selEnd < 0)) { 6217 boolean selMoved = mSelectionMoved; 6218 6219 if (mMovement != null) { 6220 mMovement.onTakeFocus(this, (Spannable) mText, direction); 6221 } 6222 6223 if (mSelectAllOnFocus) { 6224 Selection.setSelection((Spannable) mText, 0, mText.length()); 6225 } 6226 6227 if (selMoved && selStart >= 0 && selEnd >= 0) { 6228 /* 6229 * Someone intentionally set the selection, so let them 6230 * do whatever it is that they wanted to do instead of 6231 * the default on-focus behavior. We reset the selection 6232 * here instead of just skipping the onTakeFocus() call 6233 * because some movement methods do something other than 6234 * just setting the selection in theirs and we still 6235 * need to go through that path. 6236 */ 6237 6238 Selection.setSelection((Spannable) mText, selStart, selEnd); 6239 } 6240 mTouchFocusSelected = true; 6241 } 6242 6243 mFrozenWithFocus = false; 6244 mSelectionMoved = false; 6245 6246 if (mText instanceof Spannable) { 6247 Spannable sp = (Spannable) mText; 6248 MetaKeyKeyListener.resetMetaState(sp); 6249 } 6250 6251 makeBlink(); 6252 6253 if (mError != null) { 6254 showError(); 6255 } 6256 } else { 6257 if (mError != null) { 6258 hideError(); 6259 } 6260 // Don't leave us in the middle of a batch edit. 6261 onEndBatchEdit(); 6262 } 6263 6264 startStopMarquee(focused); 6265 6266 if (mTransformation != null) { 6267 mTransformation.onFocusChanged(this, mText, focused, direction, 6268 previouslyFocusedRect); 6269 } 6270 6271 super.onFocusChanged(focused, direction, previouslyFocusedRect); 6272 } 6273 6274 @Override 6275 public void onWindowFocusChanged(boolean hasWindowFocus) { 6276 super.onWindowFocusChanged(hasWindowFocus); 6277 6278 if (hasWindowFocus) { 6279 if (mBlink != null) { 6280 mBlink.uncancel(); 6281 6282 if (isFocused()) { 6283 mShowCursor = SystemClock.uptimeMillis(); 6284 makeBlink(); 6285 } 6286 } 6287 } else { 6288 if (mBlink != null) { 6289 mBlink.cancel(); 6290 } 6291 // Don't leave us in the middle of a batch edit. 6292 onEndBatchEdit(); 6293 if (mInputContentType != null) { 6294 mInputContentType.enterDown = false; 6295 } 6296 } 6297 6298 startStopMarquee(hasWindowFocus); 6299 } 6300 6301 /** 6302 * Use {@link BaseInputConnection#removeComposingSpans 6303 * BaseInputConnection.removeComposingSpans()} to remove any IME composing 6304 * state from this text view. 6305 */ 6306 public void clearComposingText() { 6307 if (mText instanceof Spannable) { 6308 BaseInputConnection.removeComposingSpans((Spannable)mText); 6309 } 6310 } 6311 6312 @Override 6313 public void setSelected(boolean selected) { 6314 boolean wasSelected = isSelected(); 6315 6316 super.setSelected(selected); 6317 6318 if (selected != wasSelected && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 6319 if (selected) { 6320 startMarquee(); 6321 } else { 6322 stopMarquee(); 6323 } 6324 } 6325 } 6326 6327 class CommitSelectionReceiver extends ResultReceiver { 6328 int mNewStart; 6329 int mNewEnd; 6330 6331 CommitSelectionReceiver() { 6332 super(getHandler()); 6333 } 6334 6335 protected void onReceiveResult(int resultCode, Bundle resultData) { 6336 if (resultCode != InputMethodManager.RESULT_SHOWN) { 6337 Selection.setSelection((Spannable)mText, mNewStart, mNewEnd); 6338 } 6339 } 6340 } 6341 6342 @Override 6343 public boolean onTouchEvent(MotionEvent event) { 6344 final int action = event.getAction(); 6345 if (action == MotionEvent.ACTION_DOWN) { 6346 // Reset this state; it will be re-set if super.onTouchEvent 6347 // causes focus to move to the view. 6348 mTouchFocusSelected = false; 6349 } 6350 6351 final boolean superResult = super.onTouchEvent(event); 6352 6353 /* 6354 * Don't handle the release after a long press, because it will 6355 * move the selection away from whatever the menu action was 6356 * trying to affect. 6357 */ 6358 if (mEatTouchRelease && action == MotionEvent.ACTION_UP) { 6359 mEatTouchRelease = false; 6360 return superResult; 6361 } 6362 6363 if ((mMovement != null || onCheckIsTextEditor()) && mText instanceof Spannable && mLayout != null) { 6364 6365 if (action == MotionEvent.ACTION_DOWN) { 6366 mScrolled = false; 6367 } 6368 6369 boolean handled = false; 6370 6371 int oldSelStart = Selection.getSelectionStart(mText); 6372 int oldSelEnd = Selection.getSelectionEnd(mText); 6373 6374 if (mMovement != null) { 6375 handled |= mMovement.onTouchEvent(this, (Spannable) mText, event); 6376 } 6377 6378 if (mText instanceof Editable && onCheckIsTextEditor()) { 6379 if (action == MotionEvent.ACTION_UP && isFocused() && !mScrolled) { 6380 InputMethodManager imm = (InputMethodManager) 6381 getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 6382 6383 // This is going to be gross... if tapping on the text view 6384 // causes the IME to be displayed, we don't want the selection 6385 // to change. But the selection has already changed, and 6386 // we won't know right away whether the IME is getting 6387 // displayed, so... 6388 6389 int newSelStart = Selection.getSelectionStart(mText); 6390 int newSelEnd = Selection.getSelectionEnd(mText); 6391 CommitSelectionReceiver csr = null; 6392 if (newSelStart != oldSelStart || newSelEnd != oldSelEnd) { 6393 csr = new CommitSelectionReceiver(); 6394 csr.mNewStart = newSelStart; 6395 csr.mNewEnd = newSelEnd; 6396 } 6397 6398 if (imm.showSoftInput(this, 0, csr) && csr != null) { 6399 // The IME might get shown -- revert to the old 6400 // selection, and change to the new when we finally 6401 // find out of it is okay. 6402 Selection.setSelection((Spannable)mText, oldSelStart, oldSelEnd); 6403 handled = true; 6404 } 6405 } 6406 } 6407 6408 if (handled) { 6409 return true; 6410 } 6411 } 6412 6413 return superResult; 6414 } 6415 6416 /** 6417 * Returns true, only while processing a touch gesture, if the initial 6418 * touch down event caused focus to move to the text view and as a result 6419 * its selection changed. Only valid while processing the touch gesture 6420 * of interest. 6421 */ 6422 public boolean didTouchFocusSelect() { 6423 return mTouchFocusSelected; 6424 } 6425 6426 @Override 6427 public void cancelLongPress() { 6428 super.cancelLongPress(); 6429 mScrolled = true; 6430 } 6431 6432 @Override 6433 public boolean onTrackballEvent(MotionEvent event) { 6434 if (mMovement != null && mText instanceof Spannable && 6435 mLayout != null) { 6436 if (mMovement.onTrackballEvent(this, (Spannable) mText, event)) { 6437 return true; 6438 } 6439 } 6440 6441 return super.onTrackballEvent(event); 6442 } 6443 6444 public void setScroller(Scroller s) { 6445 mScroller = s; 6446 } 6447 6448 private static class Blink extends Handler implements Runnable { 6449 private WeakReference<TextView> mView; 6450 private boolean mCancelled; 6451 6452 public Blink(TextView v) { 6453 mView = new WeakReference<TextView>(v); 6454 } 6455 6456 public void run() { 6457 if (mCancelled) { 6458 return; 6459 } 6460 6461 removeCallbacks(Blink.this); 6462 6463 TextView tv = mView.get(); 6464 6465 if (tv != null && tv.isFocused()) { 6466 int st = Selection.getSelectionStart(tv.mText); 6467 int en = Selection.getSelectionEnd(tv.mText); 6468 6469 if (st == en && st >= 0 && en >= 0) { 6470 if (tv.mLayout != null) { 6471 tv.invalidateCursorPath(); 6472 } 6473 6474 postAtTime(this, SystemClock.uptimeMillis() + BLINK); 6475 } 6476 } 6477 } 6478 6479 void cancel() { 6480 if (!mCancelled) { 6481 removeCallbacks(Blink.this); 6482 mCancelled = true; 6483 } 6484 } 6485 6486 void uncancel() { 6487 mCancelled = false; 6488 } 6489 } 6490 6491 @Override 6492 protected float getLeftFadingEdgeStrength() { 6493 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 6494 if (mMarquee != null && !mMarquee.isStopped()) { 6495 final Marquee marquee = mMarquee; 6496 if (marquee.shouldDrawLeftFade()) { 6497 return marquee.mScroll / getHorizontalFadingEdgeLength(); 6498 } else { 6499 return 0.0f; 6500 } 6501 } else if (getLineCount() == 1) { 6502 switch (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) { 6503 case Gravity.LEFT: 6504 return 0.0f; 6505 case Gravity.RIGHT: 6506 return (mLayout.getLineRight(0) - (mRight - mLeft) - 6507 getCompoundPaddingLeft() - getCompoundPaddingRight() - 6508 mLayout.getLineLeft(0)) / getHorizontalFadingEdgeLength(); 6509 case Gravity.CENTER_HORIZONTAL: 6510 return 0.0f; 6511 } 6512 } 6513 } 6514 return super.getLeftFadingEdgeStrength(); 6515 } 6516 6517 @Override 6518 protected float getRightFadingEdgeStrength() { 6519 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 6520 if (mMarquee != null && !mMarquee.isStopped()) { 6521 final Marquee marquee = mMarquee; 6522 return (marquee.mMaxFadeScroll - marquee.mScroll) / getHorizontalFadingEdgeLength(); 6523 } else if (getLineCount() == 1) { 6524 switch (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) { 6525 case Gravity.LEFT: 6526 return (mLayout.getLineRight(0) - mScrollX - (mRight - mLeft) - 6527 getCompoundPaddingLeft() - getCompoundPaddingRight()) / 6528 getHorizontalFadingEdgeLength(); 6529 case Gravity.RIGHT: 6530 return 0.0f; 6531 case Gravity.CENTER_HORIZONTAL: 6532 return (mLayout.getLineWidth(0) - ((mRight - mLeft) - 6533 getCompoundPaddingLeft() - getCompoundPaddingRight())) / 6534 getHorizontalFadingEdgeLength(); 6535 } 6536 } 6537 } 6538 return super.getRightFadingEdgeStrength(); 6539 } 6540 6541 @Override 6542 protected int computeHorizontalScrollRange() { 6543 if (mLayout != null) 6544 return mLayout.getWidth(); 6545 6546 return super.computeHorizontalScrollRange(); 6547 } 6548 6549 @Override 6550 protected int computeVerticalScrollRange() { 6551 if (mLayout != null) 6552 return mLayout.getHeight(); 6553 6554 return super.computeVerticalScrollRange(); 6555 } 6556 6557 @Override 6558 protected int computeVerticalScrollExtent() { 6559 return getHeight() - getCompoundPaddingTop() - getCompoundPaddingBottom(); 6560 } 6561 6562 public enum BufferType { 6563 NORMAL, SPANNABLE, EDITABLE, 6564 } 6565 6566 /** 6567 * Returns the TextView_textColor attribute from the 6568 * Resources.StyledAttributes, if set, or the TextAppearance_textColor 6569 * from the TextView_textAppearance attribute, if TextView_textColor 6570 * was not set directly. 6571 */ 6572 public static ColorStateList getTextColors(Context context, TypedArray attrs) { 6573 ColorStateList colors; 6574 colors = attrs.getColorStateList(com.android.internal.R.styleable. 6575 TextView_textColor); 6576 6577 if (colors == null) { 6578 int ap = attrs.getResourceId(com.android.internal.R.styleable. 6579 TextView_textAppearance, -1); 6580 if (ap != -1) { 6581 TypedArray appearance; 6582 appearance = context.obtainStyledAttributes(ap, 6583 com.android.internal.R.styleable.TextAppearance); 6584 colors = appearance.getColorStateList(com.android.internal.R.styleable. 6585 TextAppearance_textColor); 6586 appearance.recycle(); 6587 } 6588 } 6589 6590 return colors; 6591 } 6592 6593 /** 6594 * Returns the default color from the TextView_textColor attribute 6595 * from the AttributeSet, if set, or the default color from the 6596 * TextAppearance_textColor from the TextView_textAppearance attribute, 6597 * if TextView_textColor was not set directly. 6598 */ 6599 public static int getTextColor(Context context, 6600 TypedArray attrs, 6601 int def) { 6602 ColorStateList colors = getTextColors(context, attrs); 6603 6604 if (colors == null) { 6605 return def; 6606 } else { 6607 return colors.getDefaultColor(); 6608 } 6609 } 6610 6611 @Override 6612 public boolean onKeyShortcut(int keyCode, KeyEvent event) { 6613 switch (keyCode) { 6614 case KeyEvent.KEYCODE_A: 6615 if (canSelectAll()) { 6616 return onTextContextMenuItem(ID_SELECT_ALL); 6617 } 6618 6619 break; 6620 6621 case KeyEvent.KEYCODE_X: 6622 if (canCut()) { 6623 return onTextContextMenuItem(ID_CUT); 6624 } 6625 6626 break; 6627 6628 case KeyEvent.KEYCODE_C: 6629 if (canCopy()) { 6630 return onTextContextMenuItem(ID_COPY); 6631 } 6632 6633 break; 6634 6635 case KeyEvent.KEYCODE_V: 6636 if (canPaste()) { 6637 return onTextContextMenuItem(ID_PASTE); 6638 } 6639 6640 break; 6641 } 6642 6643 return super.onKeyShortcut(keyCode, event); 6644 } 6645 6646 private boolean canSelectAll() { 6647 if (mText instanceof Spannable && mText.length() != 0 && 6648 mMovement != null && mMovement.canSelectArbitrarily()) { 6649 return true; 6650 } 6651 6652 return false; 6653 } 6654 6655 private boolean canSelectText() { 6656 if (mText instanceof Spannable && mText.length() != 0 && 6657 mMovement != null && mMovement.canSelectArbitrarily()) { 6658 return true; 6659 } 6660 6661 return false; 6662 } 6663 6664 private boolean canCut() { 6665 if (mTransformation instanceof PasswordTransformationMethod) { 6666 return false; 6667 } 6668 6669 if (mText.length() > 0 && getSelectionStart() >= 0) { 6670 if (mText instanceof Editable && mInput != null) { 6671 return true; 6672 } 6673 } 6674 6675 return false; 6676 } 6677 6678 private boolean canCopy() { 6679 if (mTransformation instanceof PasswordTransformationMethod) { 6680 return false; 6681 } 6682 6683 if (mText.length() > 0 && getSelectionStart() >= 0) { 6684 return true; 6685 } 6686 6687 return false; 6688 } 6689 6690 private boolean canPaste() { 6691 if (mText instanceof Editable && mInput != null && 6692 getSelectionStart() >= 0 && getSelectionEnd() >= 0) { 6693 ClipboardManager clip = (ClipboardManager)getContext() 6694 .getSystemService(Context.CLIPBOARD_SERVICE); 6695 if (clip.hasText()) { 6696 return true; 6697 } 6698 } 6699 6700 return false; 6701 } 6702 6703 /** 6704 * Returns a word to add to the dictionary from the context menu, 6705 * or null if there is no cursor or no word at the cursor. 6706 */ 6707 private String getWordForDictionary() { 6708 /* 6709 * Quick return if the input type is one where adding words 6710 * to the dictionary doesn't make any sense. 6711 */ 6712 int klass = mInputType & InputType.TYPE_MASK_CLASS; 6713 if (klass == InputType.TYPE_CLASS_NUMBER || 6714 klass == InputType.TYPE_CLASS_PHONE || 6715 klass == InputType.TYPE_CLASS_DATETIME) { 6716 return null; 6717 } 6718 6719 int variation = mInputType & InputType.TYPE_MASK_VARIATION; 6720 if (variation == InputType.TYPE_TEXT_VARIATION_URI || 6721 variation == InputType.TYPE_TEXT_VARIATION_PASSWORD || 6722 variation == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD || 6723 variation == InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS || 6724 variation == InputType.TYPE_TEXT_VARIATION_FILTER) { 6725 return null; 6726 } 6727 6728 int end = getSelectionEnd(); 6729 6730 if (end < 0) { 6731 return null; 6732 } 6733 6734 int start = end; 6735 int len = mText.length(); 6736 6737 for (; start > 0; start--) { 6738 char c = mTransformed.charAt(start - 1); 6739 int type = Character.getType(c); 6740 6741 if (c != '\'' && 6742 type != Character.UPPERCASE_LETTER && 6743 type != Character.LOWERCASE_LETTER && 6744 type != Character.TITLECASE_LETTER && 6745 type != Character.MODIFIER_LETTER && 6746 type != Character.DECIMAL_DIGIT_NUMBER) { 6747 break; 6748 } 6749 } 6750 6751 for (; end < len; end++) { 6752 char c = mTransformed.charAt(end); 6753 int type = Character.getType(c); 6754 6755 if (c != '\'' && 6756 type != Character.UPPERCASE_LETTER && 6757 type != Character.LOWERCASE_LETTER && 6758 type != Character.TITLECASE_LETTER && 6759 type != Character.MODIFIER_LETTER && 6760 type != Character.DECIMAL_DIGIT_NUMBER) { 6761 break; 6762 } 6763 } 6764 6765 if (start == end) { 6766 return null; 6767 } 6768 6769 if (end - start > 48) { 6770 return null; 6771 } 6772 6773 return TextUtils.substring(mTransformed, start, end); 6774 } 6775 6776 @Override 6777 protected void onCreateContextMenu(ContextMenu menu) { 6778 super.onCreateContextMenu(menu); 6779 boolean added = false; 6780 6781 if (!isFocused()) { 6782 if (isFocusable() && mInput != null) { 6783 if (canCopy()) { 6784 MenuHandler handler = new MenuHandler(); 6785 int name = com.android.internal.R.string.copyAll; 6786 6787 menu.add(0, ID_COPY, 0, name). 6788 setOnMenuItemClickListener(handler). 6789 setAlphabeticShortcut('c'); 6790 menu.setHeaderTitle(com.android.internal.R.string. 6791 editTextMenuTitle); 6792 } 6793 } 6794 6795 return; 6796 } 6797 6798 MenuHandler handler = new MenuHandler(); 6799 6800 if (canSelectAll()) { 6801 menu.add(0, ID_SELECT_ALL, 0, 6802 com.android.internal.R.string.selectAll). 6803 setOnMenuItemClickListener(handler). 6804 setAlphabeticShortcut('a'); 6805 added = true; 6806 } 6807 6808 boolean selection = getSelectionStart() != getSelectionEnd(); 6809 6810 if (canSelectText()) { 6811 if (MetaKeyKeyListener.getMetaState(mText, MetaKeyKeyListener.META_SELECTING) != 0) { 6812 menu.add(0, ID_STOP_SELECTING_TEXT, 0, 6813 com.android.internal.R.string.stopSelectingText). 6814 setOnMenuItemClickListener(handler); 6815 added = true; 6816 } else { 6817 menu.add(0, ID_START_SELECTING_TEXT, 0, 6818 com.android.internal.R.string.selectText). 6819 setOnMenuItemClickListener(handler); 6820 added = true; 6821 } 6822 } 6823 6824 if (canCut()) { 6825 int name; 6826 if (selection) { 6827 name = com.android.internal.R.string.cut; 6828 } else { 6829 name = com.android.internal.R.string.cutAll; 6830 } 6831 6832 menu.add(0, ID_CUT, 0, name). 6833 setOnMenuItemClickListener(handler). 6834 setAlphabeticShortcut('x'); 6835 added = true; 6836 } 6837 6838 if (canCopy()) { 6839 int name; 6840 if (selection) { 6841 name = com.android.internal.R.string.copy; 6842 } else { 6843 name = com.android.internal.R.string.copyAll; 6844 } 6845 6846 menu.add(0, ID_COPY, 0, name). 6847 setOnMenuItemClickListener(handler). 6848 setAlphabeticShortcut('c'); 6849 added = true; 6850 } 6851 6852 if (canPaste()) { 6853 menu.add(0, ID_PASTE, 0, com.android.internal.R.string.paste). 6854 setOnMenuItemClickListener(handler). 6855 setAlphabeticShortcut('v'); 6856 added = true; 6857 } 6858 6859 if (mText instanceof Spanned) { 6860 int selStart = getSelectionStart(); 6861 int selEnd = getSelectionEnd(); 6862 6863 int min = Math.min(selStart, selEnd); 6864 int max = Math.max(selStart, selEnd); 6865 6866 URLSpan[] urls = ((Spanned) mText).getSpans(min, max, 6867 URLSpan.class); 6868 if (urls.length == 1) { 6869 menu.add(0, ID_COPY_URL, 0, 6870 com.android.internal.R.string.copyUrl). 6871 setOnMenuItemClickListener(handler); 6872 added = true; 6873 } 6874 } 6875 6876 if (isInputMethodTarget()) { 6877 menu.add(1, ID_SWITCH_INPUT_METHOD, 0, com.android.internal.R.string.inputMethod). 6878 setOnMenuItemClickListener(handler); 6879 added = true; 6880 } 6881 6882 String word = getWordForDictionary(); 6883 if (word != null) { 6884 menu.add(1, ID_ADD_TO_DICTIONARY, 0, 6885 getContext().getString(com.android.internal.R.string.addToDictionary, word)). 6886 setOnMenuItemClickListener(handler); 6887 added = true; 6888 6889 } 6890 6891 if (added) { 6892 menu.setHeaderTitle(com.android.internal.R.string.editTextMenuTitle); 6893 } 6894 } 6895 6896 /** 6897 * Returns whether this text view is a current input method target. The 6898 * default implementation just checks with {@link InputMethodManager}. 6899 */ 6900 public boolean isInputMethodTarget() { 6901 InputMethodManager imm = InputMethodManager.peekInstance(); 6902 return imm != null && imm.isActive(this); 6903 } 6904 6905 private static final int ID_SELECT_ALL = android.R.id.selectAll; 6906 private static final int ID_START_SELECTING_TEXT = android.R.id.startSelectingText; 6907 private static final int ID_STOP_SELECTING_TEXT = android.R.id.stopSelectingText; 6908 private static final int ID_CUT = android.R.id.cut; 6909 private static final int ID_COPY = android.R.id.copy; 6910 private static final int ID_PASTE = android.R.id.paste; 6911 private static final int ID_COPY_URL = android.R.id.copyUrl; 6912 private static final int ID_SWITCH_INPUT_METHOD = android.R.id.switchInputMethod; 6913 private static final int ID_ADD_TO_DICTIONARY = android.R.id.addToDictionary; 6914 6915 private class MenuHandler implements MenuItem.OnMenuItemClickListener { 6916 public boolean onMenuItemClick(MenuItem item) { 6917 return onTextContextMenuItem(item.getItemId()); 6918 } 6919 } 6920 6921 /** 6922 * Called when a context menu option for the text view is selected. Currently 6923 * this will be one of: {@link android.R.id#selectAll}, 6924 * {@link android.R.id#startSelectingText}, {@link android.R.id#stopSelectingText}, 6925 * {@link android.R.id#cut}, {@link android.R.id#copy}, 6926 * {@link android.R.id#paste}, {@link android.R.id#copyUrl}, 6927 * or {@link android.R.id#switchInputMethod}. 6928 */ 6929 public boolean onTextContextMenuItem(int id) { 6930 int selStart = getSelectionStart(); 6931 int selEnd = getSelectionEnd(); 6932 6933 if (!isFocused()) { 6934 selStart = 0; 6935 selEnd = mText.length(); 6936 } 6937 6938 int min = Math.min(selStart, selEnd); 6939 int max = Math.max(selStart, selEnd); 6940 6941 if (min < 0) { 6942 min = 0; 6943 } 6944 if (max < 0) { 6945 max = 0; 6946 } 6947 6948 ClipboardManager clip = (ClipboardManager)getContext() 6949 .getSystemService(Context.CLIPBOARD_SERVICE); 6950 6951 switch (id) { 6952 case ID_SELECT_ALL: 6953 Selection.setSelection((Spannable) mText, 0, 6954 mText.length()); 6955 return true; 6956 6957 case ID_START_SELECTING_TEXT: 6958 MetaKeyKeyListener.startSelecting(this, (Spannable) mText); 6959 return true; 6960 6961 case ID_STOP_SELECTING_TEXT: 6962 MetaKeyKeyListener.stopSelecting(this, (Spannable) mText); 6963 Selection.setSelection((Spannable) mText, getSelectionEnd()); 6964 return true; 6965 6966 case ID_CUT: 6967 MetaKeyKeyListener.stopSelecting(this, (Spannable) mText); 6968 6969 if (min == max) { 6970 min = 0; 6971 max = mText.length(); 6972 } 6973 6974 clip.setText(mTransformed.subSequence(min, max)); 6975 ((Editable) mText).delete(min, max); 6976 return true; 6977 6978 case ID_COPY: 6979 MetaKeyKeyListener.stopSelecting(this, (Spannable) mText); 6980 6981 if (min == max) { 6982 min = 0; 6983 max = mText.length(); 6984 } 6985 6986 clip.setText(mTransformed.subSequence(min, max)); 6987 return true; 6988 6989 case ID_PASTE: 6990 MetaKeyKeyListener.stopSelecting(this, (Spannable) mText); 6991 6992 CharSequence paste = clip.getText(); 6993 6994 if (paste != null) { 6995 Selection.setSelection((Spannable) mText, max); 6996 ((Editable) mText).replace(min, max, paste); 6997 } 6998 6999 return true; 7000 7001 case ID_COPY_URL: 7002 MetaKeyKeyListener.stopSelecting(this, (Spannable) mText); 7003 7004 URLSpan[] urls = ((Spanned) mText).getSpans(min, max, 7005 URLSpan.class); 7006 if (urls.length == 1) { 7007 clip.setText(urls[0].getURL()); 7008 } 7009 7010 return true; 7011 7012 case ID_SWITCH_INPUT_METHOD: 7013 InputMethodManager imm = InputMethodManager.peekInstance(); 7014 if (imm != null) { 7015 imm.showInputMethodPicker(); 7016 } 7017 return true; 7018 7019 case ID_ADD_TO_DICTIONARY: 7020 String word = getWordForDictionary(); 7021 7022 if (word != null) { 7023 Intent i = new Intent("com.android.settings.USER_DICTIONARY_INSERT"); 7024 i.putExtra("word", word); 7025 getContext().startActivity(i); 7026 } 7027 7028 return true; 7029 } 7030 7031 return false; 7032 } 7033 7034 public boolean performLongClick() { 7035 if (super.performLongClick()) { 7036 mEatTouchRelease = true; 7037 return true; 7038 } 7039 7040 return false; 7041 } 7042 7043 @ViewDebug.ExportedProperty 7044 private CharSequence mText; 7045 private CharSequence mTransformed; 7046 private BufferType mBufferType = BufferType.NORMAL; 7047 7048 private int mInputType = EditorInfo.TYPE_NULL; 7049 private CharSequence mHint; 7050 private Layout mHintLayout; 7051 7052 private KeyListener mInput; 7053 7054 private MovementMethod mMovement; 7055 private TransformationMethod mTransformation; 7056 private ChangeWatcher mChangeWatcher; 7057 7058 private ArrayList<TextWatcher> mListeners = null; 7059 7060 // display attributes 7061 private TextPaint mTextPaint; 7062 private boolean mUserSetTextScaleX; 7063 private Paint mHighlightPaint; 7064 private int mHighlightColor = 0xFFBBDDFF; 7065 private Layout mLayout; 7066 7067 private long mShowCursor; 7068 private Blink mBlink; 7069 private boolean mCursorVisible = true; 7070 7071 private boolean mSelectAllOnFocus = false; 7072 7073 private int mGravity = Gravity.TOP | Gravity.LEFT; 7074 private boolean mHorizontallyScrolling; 7075 7076 private int mAutoLinkMask; 7077 private boolean mLinksClickable = true; 7078 7079 private float mSpacingMult = 1; 7080 private float mSpacingAdd = 0; 7081 7082 private static final int LINES = 1; 7083 private static final int EMS = LINES; 7084 private static final int PIXELS = 2; 7085 7086 private int mMaximum = Integer.MAX_VALUE; 7087 private int mMaxMode = LINES; 7088 private int mMinimum = 0; 7089 private int mMinMode = LINES; 7090 7091 private int mMaxWidth = Integer.MAX_VALUE; 7092 private int mMaxWidthMode = PIXELS; 7093 private int mMinWidth = 0; 7094 private int mMinWidthMode = PIXELS; 7095 7096 private boolean mSingleLine; 7097 private int mDesiredHeightAtMeasure = -1; 7098 private boolean mIncludePad = true; 7099 7100 // tmp primitives, so we don't alloc them on each draw 7101 private Path mHighlightPath; 7102 private boolean mHighlightPathBogus = true; 7103 private static final RectF sTempRect = new RectF(); 7104 7105 // XXX should be much larger 7106 private static final int VERY_WIDE = 16384; 7107 7108 private static final int BLINK = 500; 7109 7110 private static final int ANIMATED_SCROLL_GAP = 250; 7111 private long mLastScroll; 7112 private Scroller mScroller = null; 7113 7114 private BoringLayout.Metrics mBoring; 7115 private BoringLayout.Metrics mHintBoring; 7116 7117 private BoringLayout mSavedLayout, mSavedHintLayout; 7118 7119 private static final InputFilter[] NO_FILTERS = new InputFilter[0]; 7120 private InputFilter[] mFilters = NO_FILTERS; 7121 private static final Spanned EMPTY_SPANNED = new SpannedString(""); 7122} 7123