mirror of
https://github.com/Julow/Unexpected-Keyboard.git
synced 2024-12-29 09:28:53 +01:00
104 lines
3.7 KiB
Java
104 lines
3.7 KiB
Java
package juloo.keyboard2;
|
|
|
|
import android.view.KeyEvent;
|
|
|
|
class KeyEventHandler implements Config.IKeyEventHandler
|
|
{
|
|
private IReceiver _recv;
|
|
|
|
public KeyEventHandler(IReceiver recv)
|
|
{
|
|
_recv = recv;
|
|
}
|
|
|
|
public void handleKeyUp(KeyValue key, int flags)
|
|
{
|
|
key = KeyModifier.handleFlags(key, flags);
|
|
if (key == null || (key.flags & KeyValue.FLAG_NOCHAR) != 0)
|
|
return;
|
|
switch (key.eventCode)
|
|
{
|
|
case KeyValue.EVENT_CONFIG: _recv.showKeyboardConfig(); return;
|
|
case KeyValue.EVENT_SWITCH_TEXT: _recv.setLayout(-1); return;
|
|
case KeyValue.EVENT_SWITCH_NUMERIC: _recv.setLayout(R.xml.numeric); return;
|
|
case KeyValue.EVENT_SWITCH_EMOJI: _recv.setPane_emoji(); return;
|
|
case KeyValue.EVENT_SWITCH_BACK_EMOJI: _recv.setPane_normal(); return;
|
|
case KeyValue.EVENT_CHANGE_METHOD: _recv.switchToNextInputMethod(); return;
|
|
case KeyValue.EVENT_ACTION: _recv.performAction(); return;
|
|
default:
|
|
if ((flags & (KeyValue.FLAG_CTRL | KeyValue.FLAG_ALT | KeyValue.FLAG_META)) != 0)
|
|
handleKeyUpWithModifier(key, flags);
|
|
else if (key.char_ != KeyValue.CHAR_NONE)
|
|
_recv.commitChar(key.char_);
|
|
else if (key.eventCode != KeyValue.EVENT_NONE)
|
|
handleKeyUpWithModifier(key, flags);
|
|
else
|
|
_recv.commitText(key.symbol);
|
|
}
|
|
}
|
|
|
|
// private void handleDelKey(int before, int after)
|
|
// {
|
|
// CharSequence selection = getCurrentInputConnection().getSelectedText(0);
|
|
|
|
// if (selection != null && selection.length() > 0)
|
|
// getCurrentInputConnection().commitText("", 1);
|
|
// else
|
|
// getCurrentInputConnection().deleteSurroundingText(before, after);
|
|
// }
|
|
|
|
private int sendMetaKey(int eventCode, int metaFlags, int metaState, boolean down)
|
|
{
|
|
int action;
|
|
int updatedMetaState;
|
|
if (down) { action = KeyEvent.ACTION_DOWN; updatedMetaState = metaState | metaFlags; }
|
|
else { action = KeyEvent.ACTION_UP; updatedMetaState = metaState & ~metaFlags; }
|
|
_recv.sendKeyEvent(action, eventCode, metaState);
|
|
return updatedMetaState;
|
|
}
|
|
|
|
/* Send key events corresponding to pressed modifier keys. */
|
|
private int sendMetaKeys(int flags, int metaState, boolean down)
|
|
{
|
|
if ((flags & KeyValue.FLAG_CTRL) != 0)
|
|
metaState = sendMetaKey(KeyEvent.KEYCODE_CTRL_LEFT, KeyEvent.META_CTRL_LEFT_ON | KeyEvent.META_CTRL_ON, metaState, down);
|
|
if ((flags & KeyValue.FLAG_ALT) != 0)
|
|
metaState = sendMetaKey(KeyEvent.KEYCODE_ALT_LEFT, KeyEvent.META_ALT_LEFT_ON | KeyEvent.META_ALT_ON, metaState, down);
|
|
if ((flags & KeyValue.FLAG_SHIFT) != 0)
|
|
metaState = sendMetaKey(KeyEvent.KEYCODE_SHIFT_LEFT, KeyEvent.META_SHIFT_LEFT_ON | KeyEvent.META_SHIFT_ON, metaState, down);
|
|
if ((flags & KeyValue.FLAG_META) != 0)
|
|
metaState = sendMetaKey(KeyEvent.KEYCODE_META_LEFT, KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_ON, metaState, down);
|
|
return metaState;
|
|
}
|
|
|
|
/*
|
|
* Don't set KeyEvent.FLAG_SOFT_KEYBOARD.
|
|
*/
|
|
private void handleKeyUpWithModifier(KeyValue key, int flags)
|
|
{
|
|
if (key.eventCode == KeyValue.EVENT_NONE)
|
|
return ;
|
|
int metaState = sendMetaKeys(flags, 0, true);
|
|
_recv.sendKeyEvent(KeyEvent.ACTION_DOWN, key.eventCode, metaState);
|
|
_recv.sendKeyEvent(KeyEvent.ACTION_UP, key.eventCode, metaState);
|
|
sendMetaKeys(flags, metaState, false);
|
|
}
|
|
|
|
public static interface IReceiver
|
|
{
|
|
public void switchToNextInputMethod();
|
|
public void setPane_emoji();
|
|
public void setPane_normal();
|
|
public void showKeyboardConfig();
|
|
public void performAction();
|
|
|
|
/** 'res_id' is '-1' for the currently selected layout. */
|
|
public void setLayout(int res_id);
|
|
|
|
public void sendKeyEvent(int eventAction, int eventCode, int meta);
|
|
|
|
public void commitText(String text);
|
|
public void commitChar(char c);
|
|
}
|
|
}
|