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 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 211c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackbornimport android.graphics.Rect; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.*; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.TextView; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 25a6e50454890629fe369538d8e473945bc9d68136Eric Fischerimport android.view.ViewConfiguration; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.MotionEvent; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// XXX this doesn't extend MetaKeyKeyListener because the signatures 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// don't match. Need to figure that out. Meanwhile the meta keys 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// won't work in fields that don't take input. 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source ProjectArrowKeyMovementMethod 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimplements MovementMethod 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean up(TextView widget, Spannable buffer) { 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean cap = (MetaKeyKeyListener.getMetaState(buffer, 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent.META_SHIFT_ON) == 1) || 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (MetaKeyKeyListener.getMetaState(buffer, 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.META_SELECTING) != 0); 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean alt = MetaKeyKeyListener.getMetaState(buffer, 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent.META_ALT_ON) == 1; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Layout layout = widget.getLayout(); 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cap) { 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.extendSelection(buffer, 0); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendUp(buffer, layout); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(buffer, 0); 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 57ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett return Selection.moveUp(buffer, layout); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean down(TextView widget, Spannable buffer) { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean cap = (MetaKeyKeyListener.getMetaState(buffer, 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent.META_SHIFT_ON) == 1) || 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (MetaKeyKeyListener.getMetaState(buffer, 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.META_SELECTING) != 0); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean alt = MetaKeyKeyListener.getMetaState(buffer, 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent.META_ALT_ON) == 1; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Layout layout = widget.getLayout(); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cap) { 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.extendSelection(buffer, buffer.length()); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendDown(buffer, layout); 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(buffer, buffer.length()); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 83ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett return Selection.moveDown(buffer, layout); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean left(TextView widget, Spannable buffer) { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean cap = (MetaKeyKeyListener.getMetaState(buffer, 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent.META_SHIFT_ON) == 1) || 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (MetaKeyKeyListener.getMetaState(buffer, 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.META_SELECTING) != 0); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean alt = MetaKeyKeyListener.getMetaState(buffer, 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent.META_ALT_ON) == 1; 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Layout layout = widget.getLayout(); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cap) { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendToLeftEdge(buffer, layout); 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendLeft(buffer, layout); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.moveToLeftEdge(buffer, layout); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.moveLeft(buffer, layout); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean right(TextView widget, Spannable buffer) { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean cap = (MetaKeyKeyListener.getMetaState(buffer, 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent.META_SHIFT_ON) == 1) || 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (MetaKeyKeyListener.getMetaState(buffer, 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.META_SELECTING) != 0); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean alt = MetaKeyKeyListener.getMetaState(buffer, 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent.META_ALT_ON) == 1; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Layout layout = widget.getLayout(); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cap) { 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendToRightEdge(buffer, layout); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.extendRight(buffer, layout); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (alt) { 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.moveToRightEdge(buffer, layout); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Selection.moveRight(buffer, layout); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 136ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett private int getOffset(int x, int y, TextView widget){ 137ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett // Converts the absolute X,Y coordinates to the character offset for the 138ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett // character whose position is closest to the specified 139ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett // horizontal position. 140ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett x -= widget.getTotalPaddingLeft(); 141ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett y -= widget.getTotalPaddingTop(); 142ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 143ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett // Clamp the position to inside of the view. 144ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett if (x < 0) { 145ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett x = 0; 146ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett } else if (x >= (widget.getWidth()-widget.getTotalPaddingRight())) { 147ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett x = widget.getWidth()-widget.getTotalPaddingRight() - 1; 148ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett } 149ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett if (y < 0) { 150ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett y = 0; 151ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett } else if (y >= (widget.getHeight()-widget.getTotalPaddingBottom())) { 152ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett y = widget.getHeight()-widget.getTotalPaddingBottom() - 1; 153ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett } 154ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 155ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett x += widget.getScrollX(); 156ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett y += widget.getScrollY(); 157ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 158ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett Layout layout = widget.getLayout(); 159ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett int line = layout.getLineForVertical(y); 160ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 161ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett int offset = layout.getOffsetForHorizontal(line, x); 162ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett return offset; 163ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett } 164ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyDown(TextView widget, Spannable buffer, int keyCode, KeyEvent event) { 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (executeDown(widget, buffer, keyCode)) { 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.adjustMetaAfterKeypress(buffer); 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.resetLockedMeta(buffer); 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean executeDown(TextView widget, Spannable buffer, int keyCode) { 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (keyCode) { 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_UP: 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled |= up(widget, buffer); 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_DOWN: 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled |= down(widget, buffer); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_LEFT: 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled |= left(widget, buffer); 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_RIGHT: 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled |= right(widget, buffer); 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case KeyEvent.KEYCODE_DPAD_CENTER: 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (MetaKeyKeyListener.getMetaState(buffer, MetaKeyKeyListener.META_SELECTING) != 0) { 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (widget.showContextMenu()) { 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled = true; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (handled) { 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.adjustMetaAfterKeypress(buffer); 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.resetLockedMeta(buffer); 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyUp(TextView widget, Spannable buffer, int keyCode, KeyEvent event) { 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyOther(TextView view, Spannable text, KeyEvent event) { 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int code = event.getKeyCode(); 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (code != KeyEvent.KEYCODE_UNKNOWN 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && event.getAction() == KeyEvent.ACTION_MULTIPLE) { 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int repeat = event.getRepeatCount(); 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = false; 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while ((--repeat) > 0) { 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project handled |= executeDown(view, text, code); 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 228ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onTrackballEvent(TextView widget, Spannable text, 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MotionEvent event) { 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 233ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onTouchEvent(TextView widget, Spannable buffer, 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MotionEvent event) { 2361c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn int initialScrollX = -1, initialScrollY = -1; 2371c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn if (event.getAction() == MotionEvent.ACTION_UP) { 2381c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn initialScrollX = Touch.getInitialScrollX(widget, buffer); 2391c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn initialScrollY = Touch.getInitialScrollY(widget, buffer); 2401c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn } 241ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean handled = Touch.onTouchEvent(widget, buffer, event); 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 244b2a3dd88a53cc8c6d19f6dc8ec4f3d6c4abd9b54The Android Open Source Project if (widget.isFocused() && !widget.didTouchFocusSelect()) { 245ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett if (event.getAction() == MotionEvent.ACTION_DOWN) { 246ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett boolean cap = (MetaKeyKeyListener.getMetaState(buffer, 247ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett KeyEvent.META_SHIFT_ON) == 1) || 248ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett (MetaKeyKeyListener.getMetaState(buffer, 249ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett MetaKeyKeyListener.META_SELECTING) != 0); 25062c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett int x = (int) event.getX(); 25162c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett int y = (int) event.getY(); 25262c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett int offset = getOffset(x, y, widget); 25362c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett 254ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett if (cap) { 255ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett buffer.setSpan(LAST_TAP_DOWN, offset, offset, 256ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett Spannable.SPAN_POINT_POINT); 257ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett 258ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett // Disallow intercepting of the touch events, so that 259ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett // users can scroll and select at the same time. 260ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett // without this, users would get booted out of select 261ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett // mode once the view detected it needed to scroll. 262ab9289320f598509cf358523ba173d69178a55eaMaryam Garrett widget.getParent().requestDisallowInterceptTouchEvent(true); 26362c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett } else { 26462c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett OnePointFiveTapState[] tap = buffer.getSpans(0, buffer.length(), 26562c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett OnePointFiveTapState.class); 26662c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett 26762c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett if (tap.length > 0) { 26862c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett if (event.getEventTime() - tap[0].mWhen <= 26962c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett ViewConfiguration.getDoubleTapTimeout() && 27062c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett sameWord(buffer, offset, Selection.getSelectionEnd(buffer))) { 27162c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett 27262c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett tap[0].active = true; 27362c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett MetaKeyKeyListener.startSelecting(widget, buffer); 27462c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett widget.getParent().requestDisallowInterceptTouchEvent(true); 27562c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett buffer.setSpan(LAST_TAP_DOWN, offset, offset, 27662c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett Spannable.SPAN_POINT_POINT); 27762c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett } 27862c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett 27962c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett tap[0].mWhen = event.getEventTime(); 28062c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett } else { 28162c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett OnePointFiveTapState newtap = new OnePointFiveTapState(); 28262c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett newtap.mWhen = event.getEventTime(); 28362c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett newtap.active = false; 28462c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett buffer.setSpan(newtap, 0, buffer.length(), 28562c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett Spannable.SPAN_INCLUSIVE_INCLUSIVE); 28662c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett } 287ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett } 2888cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root } else if (event.getAction() == MotionEvent.ACTION_MOVE) { 28939f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett boolean cap = (MetaKeyKeyListener.getMetaState(buffer, 29039f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett KeyEvent.META_SHIFT_ON) == 1) || 29139f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett (MetaKeyKeyListener.getMetaState(buffer, 29239f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett MetaKeyKeyListener.META_SELECTING) != 0); 29339f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett 2948cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root if (cap && handled) { 29539f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // Before selecting, make sure we've moved out of the "slop". 29639f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // handled will be true, if we're in select mode AND we're 29739f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // OUT of the slop 29839f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett 29939f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // Turn long press off while we're selecting. User needs to 30039f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // re-tap on the selection to enable longpress 30139f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett widget.cancelLongPress(); 30239f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett 30339f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // Update selection as we're moving the selection area. 30439f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett 30539f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett // Get the current touch position 30639f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett int x = (int) event.getX(); 30739f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett int y = (int) event.getY(); 30839f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett int offset = getOffset(x, y, widget); 30939f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett 3108cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root final OnePointFiveTapState[] tap = buffer.getSpans(0, buffer.length(), 3118cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root OnePointFiveTapState.class); 3128cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root 3138cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root if (tap.length > 0 && tap[0].active) { 3148cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root // Get the last down touch position (the position at which the 3158cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root // user started the selection) 3168cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root int lastDownOffset = buffer.getSpanStart(LAST_TAP_DOWN); 3178cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root 3188cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root // Compute the selection boundaries 3198cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root int spanstart; 3208cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root int spanend; 3218cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root if (offset >= lastDownOffset) { 3228cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root // Expand from word start of the original tap to new word 3238cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root // end, since we are selecting "forwards" 3248cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root spanstart = findWordStart(buffer, lastDownOffset); 3258cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root spanend = findWordEnd(buffer, offset); 3268cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root } else { 3278cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root // Expand to from new word start to word end of the original 3288cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root // tap since we are selecting "backwards". 3298cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root // The spanend will always need to be associated with the touch 3308cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root // up position, so that refining the selection with the 3318cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root // trackball will work as expected. 3328cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root spanstart = findWordEnd(buffer, lastDownOffset); 3338cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root spanend = findWordStart(buffer, offset); 3348cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root } 3358cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root Selection.setSelection(buffer, spanstart, spanend); 33639f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett } else { 3378cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root Selection.extendSelection(buffer, offset); 33839f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett } 33939f0efba92a4420f77e3abc53c367ea3cacde3cfMaryam Garrett return true; 340ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett } 341ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett } else if (event.getAction() == MotionEvent.ACTION_UP) { 3421c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn // If we have scrolled, then the up shouldn't move the cursor, 3431c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn // but we do need to make sure the cursor is still visible at 3441c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn // the current scroll offset to avoid the scroll jumping later 3451c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn // to show it. 3461c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn if ((initialScrollY >= 0 && initialScrollY != widget.getScrollY()) || 3471c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn (initialScrollX >= 0 && initialScrollX != widget.getScrollX())) { 3481c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn widget.moveCursorToVisibleOffset(); 3491c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn return true; 3501c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn } 351ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int x = (int) event.getX(); 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int y = (int) event.getY(); 354ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett int off = getOffset(x, y, widget); 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3561c9aefd471cec85f905bea4099f4a641f347e0a0Dianne Hackborn // XXX should do the same adjust for x as we do for the line. 357ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 35862c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett OnePointFiveTapState[] onepointfivetap = buffer.getSpans(0, buffer.length(), 35962c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett OnePointFiveTapState.class); 36062c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett if (onepointfivetap.length > 0 && onepointfivetap[0].active && 36162c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett Selection.getSelectionStart(buffer) == Selection.getSelectionEnd(buffer)) { 36262c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett // If we've set select mode, because there was a onepointfivetap, 36362c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett // but there was no ensuing swipe gesture, undo the select mode 36462c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett // and remove reference to the last onepointfivetap. 36562c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett MetaKeyKeyListener.stopSelecting(widget, buffer); 36662c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett for (int i=0; i < onepointfivetap.length; i++) { 36762c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett buffer.removeSpan(onepointfivetap[i]); 36862c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett } 36962c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett buffer.removeSpan(LAST_TAP_DOWN); 37062c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett } 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean cap = (MetaKeyKeyListener.getMetaState(buffer, 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project KeyEvent.META_SHIFT_ON) == 1) || 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (MetaKeyKeyListener.getMetaState(buffer, 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.META_SELECTING) != 0); 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 376a6e50454890629fe369538d8e473945bc9d68136Eric Fischer DoubleTapState[] tap = buffer.getSpans(0, buffer.length(), 377a6e50454890629fe369538d8e473945bc9d68136Eric Fischer DoubleTapState.class); 378a6e50454890629fe369538d8e473945bc9d68136Eric Fischer boolean doubletap = false; 379a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 380a6e50454890629fe369538d8e473945bc9d68136Eric Fischer if (tap.length > 0) { 381a6e50454890629fe369538d8e473945bc9d68136Eric Fischer if (event.getEventTime() - tap[0].mWhen <= 38262c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett ViewConfiguration.getDoubleTapTimeout() && 38362c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett sameWord(buffer, off, Selection.getSelectionEnd(buffer))) { 38462c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett 38562c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett doubletap = true; 386a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } 387a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 388a6e50454890629fe369538d8e473945bc9d68136Eric Fischer tap[0].mWhen = event.getEventTime(); 389a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } else { 390a6e50454890629fe369538d8e473945bc9d68136Eric Fischer DoubleTapState newtap = new DoubleTapState(); 391a6e50454890629fe369538d8e473945bc9d68136Eric Fischer newtap.mWhen = event.getEventTime(); 392a6e50454890629fe369538d8e473945bc9d68136Eric Fischer buffer.setSpan(newtap, 0, buffer.length(), 393a6e50454890629fe369538d8e473945bc9d68136Eric Fischer Spannable.SPAN_INCLUSIVE_INCLUSIVE); 394a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } 395a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (cap) { 397ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett buffer.removeSpan(LAST_TAP_DOWN); 39862c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett if (onepointfivetap.length > 0 && onepointfivetap[0].active) { 39962c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett // If we selecting something with the onepointfivetap-and 40062c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett // swipe gesture, stop it on finger up. 40162c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett MetaKeyKeyListener.stopSelecting(widget, buffer); 4028cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root } else { 4038cdb684163051c12f37e8a5f9031f17efd9d0fa4Kenny Root Selection.extendSelection(buffer, off); 40462c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett } 405a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } else if (doubletap) { 406a6e50454890629fe369538d8e473945bc9d68136Eric Fischer Selection.setSelection(buffer, 407a6e50454890629fe369538d8e473945bc9d68136Eric Fischer findWordStart(buffer, off), 408a6e50454890629fe369538d8e473945bc9d68136Eric Fischer findWordEnd(buffer, off)); 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(buffer, off); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.adjustMetaAfterKeypress(buffer); 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MetaKeyKeyListener.resetLockedMeta(buffer); 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return handled; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 423a6e50454890629fe369538d8e473945bc9d68136Eric Fischer private static class DoubleTapState implements NoCopySpan { 424a6e50454890629fe369538d8e473945bc9d68136Eric Fischer long mWhen; 425a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } 426a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 42762c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett /* We check for a onepointfive tap. This is similar to 42862c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett * doubletap gesture (where a finger goes down, up, down, up, in a short 42962c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett * time period), except in the onepointfive tap, a users finger only needs 43062c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett * to go down, up, down in a short time period. We detect this type of tap 43162c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett * to implement the onepointfivetap-and-swipe selection gesture. 43262c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett * This gesture allows users to select a segment of text without going 43362c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett * through the "select text" option in the context menu. 43462c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett */ 43562c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett private static class OnePointFiveTapState implements NoCopySpan { 43662c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett long mWhen; 43762c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett boolean active; 43862c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett } 43962c4ad3b6ba162540c3fb57fcacb375ccfa53454Maryam Garrett 440a6e50454890629fe369538d8e473945bc9d68136Eric Fischer private static boolean sameWord(CharSequence text, int one, int two) { 441a6e50454890629fe369538d8e473945bc9d68136Eric Fischer int start = findWordStart(text, one); 442a6e50454890629fe369538d8e473945bc9d68136Eric Fischer int end = findWordEnd(text, one); 443a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 444a6e50454890629fe369538d8e473945bc9d68136Eric Fischer if (end == start) { 445a6e50454890629fe369538d8e473945bc9d68136Eric Fischer return false; 446a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } 447a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 448a6e50454890629fe369538d8e473945bc9d68136Eric Fischer return start == findWordStart(text, two) && 449a6e50454890629fe369538d8e473945bc9d68136Eric Fischer end == findWordEnd(text, two); 450a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } 451a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 452a6e50454890629fe369538d8e473945bc9d68136Eric Fischer // TODO: Unify with TextView.getWordForDictionary() 453a6e50454890629fe369538d8e473945bc9d68136Eric Fischer private static int findWordStart(CharSequence text, int start) { 454a6e50454890629fe369538d8e473945bc9d68136Eric Fischer for (; start > 0; start--) { 455a6e50454890629fe369538d8e473945bc9d68136Eric Fischer char c = text.charAt(start - 1); 456a6e50454890629fe369538d8e473945bc9d68136Eric Fischer int type = Character.getType(c); 457a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 458a6e50454890629fe369538d8e473945bc9d68136Eric Fischer if (c != '\'' && 459a6e50454890629fe369538d8e473945bc9d68136Eric Fischer type != Character.UPPERCASE_LETTER && 460a6e50454890629fe369538d8e473945bc9d68136Eric Fischer type != Character.LOWERCASE_LETTER && 461a6e50454890629fe369538d8e473945bc9d68136Eric Fischer type != Character.TITLECASE_LETTER && 462a6e50454890629fe369538d8e473945bc9d68136Eric Fischer type != Character.MODIFIER_LETTER && 463a6e50454890629fe369538d8e473945bc9d68136Eric Fischer type != Character.DECIMAL_DIGIT_NUMBER) { 464a6e50454890629fe369538d8e473945bc9d68136Eric Fischer break; 465a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } 466a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } 467a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 468a6e50454890629fe369538d8e473945bc9d68136Eric Fischer return start; 469a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } 470a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 471a6e50454890629fe369538d8e473945bc9d68136Eric Fischer // TODO: Unify with TextView.getWordForDictionary() 472a6e50454890629fe369538d8e473945bc9d68136Eric Fischer private static int findWordEnd(CharSequence text, int end) { 473a6e50454890629fe369538d8e473945bc9d68136Eric Fischer int len = text.length(); 474a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 475a6e50454890629fe369538d8e473945bc9d68136Eric Fischer for (; end < len; end++) { 476a6e50454890629fe369538d8e473945bc9d68136Eric Fischer char c = text.charAt(end); 477a6e50454890629fe369538d8e473945bc9d68136Eric Fischer int type = Character.getType(c); 478a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 479a6e50454890629fe369538d8e473945bc9d68136Eric Fischer if (c != '\'' && 480a6e50454890629fe369538d8e473945bc9d68136Eric Fischer type != Character.UPPERCASE_LETTER && 481a6e50454890629fe369538d8e473945bc9d68136Eric Fischer type != Character.LOWERCASE_LETTER && 482a6e50454890629fe369538d8e473945bc9d68136Eric Fischer type != Character.TITLECASE_LETTER && 483a6e50454890629fe369538d8e473945bc9d68136Eric Fischer type != Character.MODIFIER_LETTER && 484a6e50454890629fe369538d8e473945bc9d68136Eric Fischer type != Character.DECIMAL_DIGIT_NUMBER) { 485a6e50454890629fe369538d8e473945bc9d68136Eric Fischer break; 486a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } 487a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } 488a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 489a6e50454890629fe369538d8e473945bc9d68136Eric Fischer return end; 490a6e50454890629fe369538d8e473945bc9d68136Eric Fischer } 491a6e50454890629fe369538d8e473945bc9d68136Eric Fischer 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean canSelectArbitrarily() { 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void initialize(TextView widget, Spannable text) { 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(text, 0); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onTakeFocus(TextView view, Spannable text, int dir) { 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((dir & (View.FOCUS_FORWARD | View.FOCUS_DOWN)) != 0) { 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Layout layout = view.getLayout(); 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (layout == null) { 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This shouldn't be null, but do something sensible if it is. 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(text, text.length()); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Put the cursor at the end of the first line, which is 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * either the last offset if there is only one line, or the 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * offset before the first character of the second line 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if there is more than one line. 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (layout.getLineCount() == 1) { 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(text, text.length()); 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(text, layout.getLineStart(1) - 1); 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Selection.setSelection(text, text.length()); 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static MovementMethod getInstance() { 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sInstance == null) 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sInstance = new ArrowKeyMovementMethod(); 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sInstance; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 534ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett 535ce08379e22609415971ece6ba3417d6d3fd338d2Maryam Garrett private static final Object LAST_TAP_DOWN = new Object(); 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static ArrowKeyMovementMethod sInstance; 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 538