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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, Pointers.Modifiers mods)
{
if (key == null)
return;
int event;
switch (key.getKind())
{
case Char:
_recv.commitChar(key.getChar());
break;
case String:
_recv.commitText(key.getString());
break;
case Event:
event = key.getEvent();
switch (event)
{
case KeyValue.EVENT_CONFIG: _recv.showKeyboardConfig(); break;
case KeyValue.EVENT_SWITCH_TEXT: _recv.switchMain(); break;
case KeyValue.EVENT_SWITCH_NUMERIC: _recv.switchNumeric(); break;
case KeyValue.EVENT_SWITCH_EMOJI: _recv.setPane_emoji(); break;
case KeyValue.EVENT_SWITCH_BACK_EMOJI: _recv.setPane_normal(); break;
case KeyValue.EVENT_CHANGE_METHOD: _recv.switchToNextInputMethod(); break;
case KeyValue.EVENT_ACTION: _recv.performAction(); break;
case KeyValue.EVENT_SWITCH_PROGRAMMING: _recv.switchProgramming(); break;
default:
handleKeyUpWithModifier(event, mods);
break;
}
break;
case Modifier:
break;
}
}
// 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;
}
private int sendMetaKeyForModifier(int mod, int metaState, boolean down)
{
switch (mod)
{
case KeyValue.MOD_CTRL:
return sendMetaKey(KeyEvent.KEYCODE_CTRL_LEFT, KeyEvent.META_CTRL_LEFT_ON | KeyEvent.META_CTRL_ON, metaState, down);
case KeyValue.MOD_ALT:
return sendMetaKey(KeyEvent.KEYCODE_ALT_LEFT, KeyEvent.META_ALT_LEFT_ON | KeyEvent.META_ALT_ON, metaState, down);
case KeyValue.MOD_SHIFT:
return sendMetaKey(KeyEvent.KEYCODE_SHIFT_LEFT, KeyEvent.META_SHIFT_LEFT_ON | KeyEvent.META_SHIFT_ON, metaState, down);
case KeyValue.MOD_META:
return sendMetaKey(KeyEvent.KEYCODE_META_LEFT, KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_ON, metaState, down);
default: return metaState;
}
}
/*
* Don't set KeyEvent.FLAG_SOFT_KEYBOARD.
*/
private void handleKeyUpWithModifier(int keyCode, Pointers.Modifiers mods)
{
int metaState = 0;
for (int i = 0; i < mods.size(); i++)
metaState = sendMetaKeyForModifier(mods.get(i), metaState, true);
_recv.sendKeyEvent(KeyEvent.ACTION_DOWN, keyCode, metaState);
_recv.sendKeyEvent(KeyEvent.ACTION_UP, keyCode, metaState);
for (int i = mods.size() - 1; i >= 0; i--)
metaState = sendMetaKeyForModifier(mods.get(i), metaState, false);
}
public static interface IReceiver
{
public void switchToNextInputMethod();
public void setPane_emoji();
public void setPane_normal();
public void showKeyboardConfig();
public void performAction();
public void switchMain();
public void switchNumeric();
public void switchProgramming();
public void sendKeyEvent(int eventAction, int eventCode, int meta);
public void commitText(String text);
public void commitChar(char c);
}
}
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