public boolean processKey(
InputConnection inputContext, KeyEvent event, boolean upperCase, boolean realAction) {
if (null == inputContext || null == event) return false;
int keyCode = event.getKeyCode();
CharSequence prefix = null;
prefix = inputContext.getTextBeforeCursor(2, 0);
int keyChar;
keyChar = 0;
if (keyCode >= KeyEvent.KEYCODE_A && keyCode <= KeyEvent.KEYCODE_Z) {
keyChar = keyCode - KeyEvent.KEYCODE_A + 'a';
if (upperCase) {
keyChar = keyChar + 'A' - 'a';
}
} else if (keyCode >= KeyEvent.KEYCODE_0 && keyCode <= KeyEvent.KEYCODE_9)
keyChar = keyCode - KeyEvent.KEYCODE_0 + '0';
else if (keyCode == KeyEvent.KEYCODE_COMMA) keyChar = ',';
else if (keyCode == KeyEvent.KEYCODE_PERIOD) keyChar = '.';
else if (keyCode == KeyEvent.KEYCODE_APOSTROPHE) keyChar = '\'';
else if (keyCode == KeyEvent.KEYCODE_AT) keyChar = '@';
else if (keyCode == KeyEvent.KEYCODE_SLASH) keyChar = '/';
if (0 == keyChar) {
mLastKeyCode = keyCode;
String insert = null;
if (KeyEvent.KEYCODE_DEL == keyCode) {
if (realAction) {
inputContext.deleteSurroundingText(1, 0);
}
} else if (KeyEvent.KEYCODE_ENTER == keyCode) {
insert = "\n";
} else if (KeyEvent.KEYCODE_SPACE == keyCode) {
insert = " ";
} else {
return false;
}
if (null != insert && realAction) inputContext.commitText(insert, insert.length());
return true;
}
if (!realAction) return true;
if (KeyEvent.KEYCODE_SHIFT_LEFT == mLastKeyCode
|| KeyEvent.KEYCODE_SHIFT_LEFT == mLastKeyCode) {
if (keyChar >= 'a' && keyChar <= 'z') keyChar = keyChar - 'a' + 'A';
} else if (KeyEvent.KEYCODE_ALT_LEFT == mLastKeyCode) {
}
String result = String.valueOf((char) keyChar);
inputContext.commitText(result, result.length());
mLastKeyCode = keyCode;
return true;
}
/** Helper function to commit any text being composed in to the editor. */
private void commitTyped(InputConnection inputConnection) {
if (mComposing.length() > 0) {
inputConnection.commitText(mComposing, mComposing.length());
mComposing.setLength(0);
updateCandidates();
}
}
public void onKey(int primaryCode, int[] keyCodes) {
InputConnection ic = getCurrentInputConnection();
playClick(primaryCode);
switch (primaryCode) {
case Keyboard.KEYCODE_DELETE:
ic.deleteSurroundingText(1, 0);
break;
case Keyboard.KEYCODE_SHIFT:
if (caps) {
keyboard = new Keyboard(this, R.xml.qwerty);
kv.setKeyboard(keyboard);
kv.invalidateAllKeys();
kv.setOnKeyboardActionListener(this);
} else {
keyboard = new Keyboard(this, R.xml.qwertytwo);
kv.setKeyboard(keyboard);
kv.invalidateAllKeys();
kv.setOnKeyboardActionListener(this);
}
caps = !caps;
keyboard.setShifted(caps);
kv.invalidateAllKeys();
break;
case Keyboard.KEYCODE_DONE:
ic.sendKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER));
break;
default:
char code = (char) primaryCode;
if (Character.isLetter(code) && caps) {
code = Character.toUpperCase(code);
}
ic.commitText(String.valueOf(code), 1);
}
}
private void commitText(@NotNull InputConnection ic, @Nullable CharSequence text, int position) {
ic.commitText(text, position);
if (!Strings.isEmpty(text)) {
history.addState(
new KeyboardInputHistoryState(AndroidKeyboardUtils.getTextFromInputConnection(ic), 0));
}
}
/** Commits the given text to the editing field. */
public boolean commitText(InputConnection ic, CharSequence text) {
if (ic != null) {
if (text.length() > 1) {
// Batch edit a sequence of characters.
ic.beginBatchEdit();
ic.commitText(text, 1);
ic.endBatchEdit();
} else {
ic.commitText(text, 1);
}
// Composing-text in the editor has been cleared.
composingText.setLength(0);
return true;
}
return false;
}
private void restoreFromHistory(@Nullable KeyboardInputHistoryState state) {
if (state != null) {
final InputConnection ic = getCurrentInputConnection();
ic.deleteSurroundingText(MAX_INT, MAX_INT);
ic.commitText(state.getCharSequence(), 1);
}
}
private void pickSuggestion(CharSequence suggestion) {
InputConnection ic = mService.getCurrentInputConnection();
if (ic != null) {
ic.commitText(suggestion, 1);
}
mService.setCommittedLength(suggestion.length());
mService.setSuggestions(null, false, false, false);
}
@Override
public void onText(CharSequence text) {
InputConnection ic = mService.getCurrentInputConnection();
if (ic == null) return;
ic.beginBatchEdit();
ic.commitText(text, 1);
ic.endBatchEdit();
}
public void onText(CharSequence text) {
InputConnection ic = getCurrentInputConnection();
if (ic == null) return;
ic.beginBatchEdit();
if (mComposing.length() > 0) {
commitTyped(ic);
}
ic.commitText(text, 0);
ic.endBatchEdit();
updateShiftKeyState(getCurrentInputEditorInfo());
}
public void commitTyped(InputConnection inputConnection) {
if (mComposing.length() > 0) {
if (inputConnection != null) {
inputConnection.commitText(mComposing, 1);
}
mService.setCommittedLength(mComposing.length());
mComposing.setLength(0);
mWord.reset();
updateSuggestions();
}
}
public static boolean inputCharacter(char character) {
InputConnection connection = getInputConnection();
if (connection != null) {
if (connection.commitText(Character.toString(character), 1)) {
return true;
}
}
return false;
}
boolean setText(String text) {
// FIXME: need feedback if the input was lost
InputConnection conn = getCurrentInputConnection();
if (conn == null) {
// Debug.d("connection closed");
return false;
}
conn.beginBatchEdit();
// FIXME: hack
conn.deleteSurroundingText(100000, 100000);
conn.commitText(text, text.length());
conn.endBatchEdit();
return true;
}
private void keyDel(InputConnection conn) {
// if control key used -- delete word right
if (pressedKeys.contains(KEY_CONTROL)) {
deleteWordRight(conn);
return;
}
if (pressedKeys.contains(KeyEvent.KEYCODE_SHIFT_LEFT)) {
cut(conn);
return;
}
conn.deleteSurroundingText(0, 1);
conn.commitText("", 0);
}
@Override
public boolean commitText(CharSequence text, int newCursorPosition) {
if (InputMethods.shouldCommitCharAsKey(mCurrentInputMethod)
&& text.length() == 1
&& newCursorPosition > 0) {
if (DEBUG) {
Log.d(LOGTAG, "committing \"" + text + "\" as key");
}
// mKeyInputConnection is a BaseInputConnection that commits text as keys;
// but we first need to replace any composing span with a selection,
// so that the new key events will generate characters to replace
// text from the old composing span
return replaceComposingSpanWithSelection()
&& mKeyInputConnection.commitText(text, newCursorPosition);
}
return super.commitText(text, newCursorPosition);
}
void receivedChar(int code) {
wakeLock.acquire();
wakeLock.release();
InputConnection conn = getCurrentInputConnection();
if (conn == null) {
// Debug.d("connection closed");
return;
}
if (pressedKeys.contains(KEY_CONTROL)) {
switch (code) {
case 'a':
case 'A':
selectAll(conn);
return;
case 'x':
case 'X':
cut(conn);
return;
case 'c':
case 'C':
copy(conn);
return;
case 'v':
case 'V':
paste(conn);
return;
}
}
String text = null;
if (code >= 0 && code <= 65535) {
text = new String(new char[] {(char) code});
} else {
int HI_SURROGATE_START = 0xD800;
int LO_SURROGATE_START = 0xDC00;
int hi = ((code >> 10) & 0x3FF) - 0x040 | HI_SURROGATE_START;
int lo = LO_SURROGATE_START | (code & 0x3FF);
text = new String(new char[] {(char) hi, (char) lo});
}
conn.commitText(text, 1);
}
@Override
public void onGesturePerformed(GestureOverlayView overlay, Gesture gesture) {
// Log.d(TAG, "Strokes size: " + gesture.getStrokesCount());
InputConnection ic = getCurrentInputConnection();
for (GestureStroke stroke : gesture.getStrokes()) {
GesturePoint[] points = ShorthandUtils.extractGesturePointsFromStroke(stroke);
String result = mRecognizer.recognize(points);
if (mParameters.isDebugEnabled()) {
StenoCanvas canvas = (StenoCanvas) overlay;
canvas.setDebugPaths(mRecognizer.getDebugPaths());
canvas.setDebugPoints(points);
}
if (result != null && result.length() > 0) {
ic.commitText(result, 1);
} else if (mParameters.isPopupsEnabled()) {
Toast.makeText(mContext, R.string.not_found, Toast.LENGTH_SHORT).show();
}
}
}
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
// This handles the hardware keyboard input
if (event.isPrintingKey()) {
if (event.getAction() == KeyEvent.ACTION_DOWN) {
ic.commitText(String.valueOf((char) event.getUnicodeChar()), 1);
}
return true;
}
if (event.getAction() == KeyEvent.ACTION_DOWN) {
SDLActivity.onNativeKeyDown(keyCode);
return true;
} else if (event.getAction() == KeyEvent.ACTION_UP) {
SDLActivity.onNativeKeyUp(keyCode);
return true;
}
return false;
}
