am 196da4a7: Merge "Fix a bug where backspace would not delete the selection"

* commit '196da4a7be84bcb6f998b2c647dd9c8b4e15f950':
  Fix a bug where backspace would not delete the selection
main
Jean Chalard 2012-01-24 01:15:29 -08:00 committed by Android Git Automerger
commit dc490326d8
1 changed files with 27 additions and 5 deletions

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@ -203,9 +203,11 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
private WordComposer mWordComposer = new WordComposer(); private WordComposer mWordComposer = new WordComposer();
private int mCorrectionMode; private int mCorrectionMode;
// Keep track of the last selection range to decide if we need to show word alternatives // Keep track of the last selection range to decide if we need to show word alternatives
private int mLastSelectionStart; private static final int NOT_A_CURSOR_POSITION = -1;
private int mLastSelectionEnd; private int mLastSelectionStart = NOT_A_CURSOR_POSITION;
private int mLastSelectionEnd = NOT_A_CURSOR_POSITION;
// Whether we are expecting an onUpdateSelection event to fire. If it does when we don't // Whether we are expecting an onUpdateSelection event to fire. If it does when we don't
// "expect" it, it means the user actually moved the cursor. // "expect" it, it means the user actually moved the cursor.
@ -1400,11 +1402,31 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
// suggestion (typed word). It's intentional to have made this // suggestion (typed word). It's intentional to have made this
// inconsistent with backspacing after selecting other suggestions. // inconsistent with backspacing after selecting other suggestions.
restartSuggestionsOnManuallyPickedTypedWord(ic); restartSuggestionsOnManuallyPickedTypedWord(ic);
} else {
// Here we must check whether there is a selection. If so we should remove the
// selected text, otherwise we should just delete the character before the cursor.
if (mLastSelectionStart != mLastSelectionEnd) {
final int lengthToDelete = mLastSelectionEnd - mLastSelectionStart;
ic.setSelection(mLastSelectionEnd, mLastSelectionEnd);
ic.deleteSurroundingText(lengthToDelete, 0);
} else {
if (NOT_A_CURSOR_POSITION == mLastSelectionEnd) {
// We don't know whether there is a selection or not. We just send a false
// hardware key event and let TextView sort it out for us. The problem
// here is, this is asynchronous with respect to the input connection
// batch edit, so it may flicker. But this only ever happens if backspace
// is pressed just after the IME is invoked, and then again only once.
// TODO: add an API call that gets the selection indices. This is available
// to the IME in the general case via onUpdateSelection anyway, and would
// allow us to remove this race condition.
sendDownUpKeyEvents(KeyEvent.KEYCODE_DEL);
} else { } else {
ic.deleteSurroundingText(1, 0); ic.deleteSurroundingText(1, 0);
}
if (mDeleteCount > DELETE_ACCELERATE_AT) { if (mDeleteCount > DELETE_ACCELERATE_AT) {
ic.deleteSurroundingText(1, 0); ic.deleteSurroundingText(1, 0);
} }
}
if (isSuggestionsRequested()) { if (isSuggestionsRequested()) {
restartSuggestionsOnWordBeforeCursorIfAtEndOfWord(ic); restartSuggestionsOnWordBeforeCursorIfAtEndOfWord(ic);
} }