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LatinIME
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Fix a cosmetic bug where text would blink on space swap 

On space swap or space removal in some occasions there would be
a small blink on the screen. This change fixes that.

Change-Id: I486cbcc5dfcafd531b3fa92c4f9a3255832f22cc
main
Jean Chalard 2011-10-25 17:32:04 +09:00
parent e43422941c
commit b715299125
1 changed files with 19 additions and 16 deletions
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35
java/src/com/android/inputmethod/latin/LatinIME.java
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@ -1132,17 +1132,15 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
return false;
}
private void swapSwapperAndSpace() {
final InputConnection ic = getCurrentInputConnection();
if (ic == null) return;
// "ic" may be null
private void swapSwapperAndSpaceWhileInBatchEdit(final InputConnection ic) {
if (null == ic) return;
CharSequence lastTwo = ic.getTextBeforeCursor(2, 0);
// It is guaranteed lastTwo.charAt(1) is a swapper - else this method is not called.
if (lastTwo != null && lastTwo.length() == 2
&& lastTwo.charAt(0) == Keyboard.CODE_SPACE) {
ic.beginBatchEdit();
ic.deleteSurroundingText(2, 0);
ic.commitText(lastTwo.charAt(1) + " ", 1);
ic.endBatchEdit();
mKeyboardSwitcher.updateShiftState();
}
}
@ -1169,11 +1167,11 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
}
}
// "ic" must not null
// "ic" must not be null
private void maybeRemovePreviousPeriod(final InputConnection ic, CharSequence text) {
// When the text's first character is '.', remove the previous period
// if there is one.
CharSequence lastOne = ic.getTextBeforeCursor(1, 0);
final CharSequence lastOne = ic.getTextBeforeCursor(1, 0);
if (lastOne != null && lastOne.length() == 1
&& lastOne.charAt(0) == Keyboard.CODE_PERIOD
&& text.charAt(0) == Keyboard.CODE_PERIOD) {
@ -1181,11 +1179,10 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
}
}
private void removeTrailingSpace() {
final InputConnection ic = getCurrentInputConnection();
// "ic" may be null
private void removeTrailingSpaceWhileInBatchEdit(final InputConnection ic) {
if (ic == null) return;
CharSequence lastOne = ic.getTextBeforeCursor(1, 0);
final CharSequence lastOne = ic.getTextBeforeCursor(1, 0);
if (lastOne != null && lastOne.length() == 1
&& lastOne.charAt(0) == Keyboard.CODE_SPACE) {
ic.deleteSurroundingText(1, 0);
@ -1435,8 +1432,10 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
private void handleCharacter(int primaryCode, int[] keyCodes, int x, int y) {
mVoiceProxy.handleCharacter();
final InputConnection ic = getCurrentInputConnection();
if (ic != null) ic.beginBatchEdit();
if (mJustAddedMagicSpace && mSettingsValues.isMagicSpaceStripper(primaryCode)) {
removeTrailingSpace();
removeTrailingSpaceWhileInBatchEdit(ic);
}
int code = primaryCode;
@ -1454,6 +1453,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
if (switcher.isShiftedOrShiftLocked()) {
if (keyCodes == null || keyCodes[0] < Character.MIN_CODE_POINT
|| keyCodes[0] > Character.MAX_CODE_POINT) {
if (null != ic) ic.endBatchEdit();
return;
}
code = keyCodes[0];
@ -1467,6 +1467,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
} else {
// Some keys, such as [eszett], have upper case as multi-characters.
onTextInput(upperCaseString);
if (null != ic) ic.endBatchEdit();
return;
}
}
@ -1474,7 +1475,6 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
if (mHasUncommittedTypedChars) {
mComposingStringBuilder.append((char) code);
mWordComposer.add(code, keyCodes, x, y);
final InputConnection ic = getCurrentInputConnection();
if (ic != null) {
// If it's the first letter, make note of auto-caps state
if (mWordComposer.size() == 1) {
@ -1493,7 +1493,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
sendKeyChar((char)code);
}
if (mJustAddedMagicSpace && mSettingsValues.isMagicSpaceSwapper(primaryCode)) {
swapSwapperAndSpace();
if (null != ic) swapSwapperAndSpaceWhileInBatchEdit(ic);
} else {
mJustAddedMagicSpace = false;
}
@ -1501,6 +1501,7 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
switcher.updateShiftState();
if (LatinIME.PERF_DEBUG) measureCps();
TextEntryState.typedCharacter((char) code, mSettingsValues.isWordSeparator(code), x, y);
if (null != ic) ic.endBatchEdit();
}
private void handleSeparator(int primaryCode, int x, int y) {
@ -1536,9 +1537,11 @@ public class LatinIME extends InputMethodServiceCompatWrapper implements Keyboar
if (mJustAddedMagicSpace) {
if (mSettingsValues.isMagicSpaceSwapper(primaryCode)) {
sendKeyChar((char)primaryCode);
swapSwapperAndSpace();
swapSwapperAndSpaceWhileInBatchEdit(ic);
} else {
if (mSettingsValues.isMagicSpaceStripper(primaryCode)) removeTrailingSpace();
if (mSettingsValues.isMagicSpaceStripper(primaryCode)) {
removeTrailingSpaceWhileInBatchEdit(ic);
}
sendKeyChar((char)primaryCode);
mJustAddedMagicSpace = false;
}