19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.text.method; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunneimport android.text.Layout; 20b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunneimport android.text.Selection; 21b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunneimport android.text.Spannable; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.MotionEvent; 24b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunneimport android.view.View; 25b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunneimport android.widget.TextView; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// XXX this doesn't extend MetaKeyKeyListener because the signatures 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// don't match. Need to figure that out. Meanwhile the meta keys 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// won't work in fields that don't take input. 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunnepublic class ArrowKeyMovementMethod implements MovementMethod { 32b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne private boolean isCap(Spannable buffer) { 33b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne return ((MetaKeyKeyListener.getMetaState(buffer, KeyEvent.META_SHIFT_ON) == 1) || 34b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne (MetaKeyKeyListener.getMetaState(buffer, MetaKeyKeyListener.META_SELECTING) != 0)); 35b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne } 36b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne 37b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne private boolean isAlt(Spannable buffer) { 38b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne return MetaKeyKeyListener.getMetaState(buffer, KeyEvent.META_ALT_ON) == 1; 39b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne } 40b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean up(TextView widget, Spannable buffer) { 42b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne boolean cap = isCap(buffer); 43b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne boolean alt = isAlt(buffer); 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Layout layout = widget.getLayout(); 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cap) { 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.extendSelection(buffer, 0); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendUp(buffer, layout); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(buffer, 0); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 58ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett return Selection.moveUp(buffer, layout); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean down(TextView widget, Spannable buffer) { 64b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne boolean cap = isCap(buffer); 65b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne boolean alt = isAlt(buffer); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Layout layout = widget.getLayout(); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cap) { 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.extendSelection(buffer, buffer.length()); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendDown(buffer, layout); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(buffer, buffer.length()); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 80ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett return Selection.moveDown(buffer, layout); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean left(TextView widget, Spannable buffer) { 86b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne boolean cap = isCap(buffer); 87b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne boolean alt = isAlt(buffer); 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Layout layout = widget.getLayout(); 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cap) { 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendToLeftEdge(buffer, layout); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendLeft(buffer, layout); 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.moveToLeftEdge(buffer, layout); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.moveLeft(buffer, layout); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean right(TextView widget, Spannable buffer) { 106b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne boolean cap = isCap(buffer); 107b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne boolean alt = isAlt(buffer); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Layout layout = widget.getLayout(); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cap) { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendToRightEdge(buffer, layout); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendRight(buffer, layout); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.moveToRightEdge(buffer, layout); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.moveRight(buffer, layout); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyDown(TextView widget, Spannable buffer, int keyCode, KeyEvent event) { 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (executeDown(widget, buffer, keyCode)) { 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.adjustMetaAfterKeypress(buffer); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.resetLockedMeta(buffer); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean executeDown(TextView widget, Spannable buffer, int keyCode) { 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_UP: 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled |= up(widget, buffer); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_DOWN: 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled |= down(widget, buffer); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_LEFT: 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled |= left(widget, buffer); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_RIGHT: 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled |= right(widget, buffer); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 156b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne if ((MetaKeyKeyListener.getMetaState(buffer, MetaKeyKeyListener.META_SELECTING) != 0) && 157b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne (widget.showContextMenu())) { 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = true; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.adjustMetaAfterKeypress(buffer); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.resetLockedMeta(buffer); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyUp(TextView widget, Spannable buffer, int keyCode, KeyEvent event) { 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyOther(TextView view, Spannable text, KeyEvent event) { 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int code = event.getKeyCode(); 176b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne if (code != KeyEvent.KEYCODE_UNKNOWN && event.getAction() == KeyEvent.ACTION_MULTIPLE) { 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int repeat = event.getRepeatCount(); 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((--repeat) > 0) { 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled |= executeDown(view, text, code); 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 186ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 187b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne public boolean onTrackballEvent(TextView widget, Spannable text, MotionEvent event) { 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 190ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 191b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) { 1921c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn int initialScrollX = -1, initialScrollY = -1; 1931c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn if (event.getAction() == MotionEvent.ACTION_UP) { 1941c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn initialScrollX = Touch.getInitialScrollX(widget, buffer); 1951c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn initialScrollY = Touch.getInitialScrollY(widget, buffer); 1961c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn } 197ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = Touch.onTouchEvent(widget, buffer, event); 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 200b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (widget.isFocused() && !widget.didTouchFocusSelect()) { 201ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett if (event.getAction() == MotionEvent.ACTION_DOWN) { 202b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne boolean cap = isCap(buffer); 203ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett if (cap) { 204b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne int offset = widget.getOffset((int) event.getX(), (int) event.getY()); 205b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne 206b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne buffer.setSpan(LAST_TAP_DOWN, offset, offset, Spannable.SPAN_POINT_POINT); 207ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett 208ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett // Disallow intercepting of the touch events, so that 209ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett // users can scroll and select at the same time. 210ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett // without this, users would get booted out of select 211ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett // mode once the view detected it needed to scroll. 212ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett widget.getParent().requestDisallowInterceptTouchEvent(true); 213ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett } 2148cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root } else if (event.getAction() == MotionEvent.ACTION_MOVE) { 215b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne boolean cap = isCap(buffer); 21639f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett 2178cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root if (cap && handled) { 21839f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // Before selecting, make sure we've moved out of the "slop". 21939f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // handled will be true, if we're in select mode AND we're 22039f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // OUT of the slop 22139f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett 22239f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // Turn long press off while we're selecting. User needs to 223b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne // re-tap on the selection to enable long press 22439f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett widget.cancelLongPress(); 22539f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett 22639f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // Update selection as we're moving the selection area. 22739f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett 22839f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // Get the current touch position 229b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne int offset = widget.getOffset((int) event.getX(), (int) event.getY()); 230b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne 231b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne Selection.extendSelection(buffer, offset); 23239f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett return true; 233ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett } 234ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett } else if (event.getAction() == MotionEvent.ACTION_UP) { 2351c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn // If we have scrolled, then the up shouldn't move the cursor, 2361c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn // but we do need to make sure the cursor is still visible at 2371c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn // the current scroll offset to avoid the scroll jumping later 2381c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn // to show it. 2391c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn if ((initialScrollY >= 0 && initialScrollY != widget.getScrollY()) || 240b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne (initialScrollX >= 0 && initialScrollX != widget.getScrollX())) { 2411c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn widget.moveCursorToVisibleOffset(); 2421c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn return true; 2431c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn } 244ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 245b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne int offset = widget.getOffset((int) event.getX(), (int) event.getY()); 246b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne if (isCap(buffer)) { 24762c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett buffer.removeSpan(LAST_TAP_DOWN); 248b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne Selection.extendSelection(buffer, offset); 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 250b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne Selection.setSelection(buffer, offset); 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.adjustMetaAfterKeypress(buffer); 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.resetLockedMeta(buffer); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean canSelectArbitrarily() { 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void initialize(TextView widget, Spannable text) { 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(text, 0); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTakeFocus(TextView view, Spannable text, int dir) { 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((dir & (View.FOCUS_FORWARD | View.FOCUS_DOWN)) != 0) { 2732703a42d16af0e62da1bba02b6c935d98debf936Gilles Debunne if (view.getLayout() == null) { 2742703a42d16af0e62da1bba02b6c935d98debf936Gilles Debunne // This shouldn't be null, but do something sensible if it is. 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(text, text.length()); 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(text, text.length()); 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static MovementMethod getInstance() { 283b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne if (sInstance == null) { 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sInstance = new ArrowKeyMovementMethod(); 285b0d6ba1ec4f71b96cab7d1ff62b846d5cf162c4fGilles Debunne } 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sInstance; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 290ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 291ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett private static final Object LAST_TAP_DOWN = new Object(); 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static ArrowKeyMovementMethod sInstance; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 294