Unexpected-Keyboard/srcs/juloo.keyboard2/KeyEventHandler.java
Jules Aguillon 95c8acc31e Add the Meta key
Currently using the diamond symbol like the history meta key: https://en.wikipedia.org/wiki/Meta_key
However, this key is actually interpreted as the Super/Windows key but
Android calls it "meta" internally.
2022-02-06 23:01:35 +01:00

81 lines
2.6 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);
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)
handleMetaKeyUp(key, flags);
else if (key.char_ != KeyValue.CHAR_NONE)
_recv.commitChar(key.char_);
else if (key.eventCode != KeyValue.EVENT_NONE)
handleMetaKeyUp(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 void handleMetaKeyUp(KeyValue key, int flags)
{
int meta = 0;
if (key.eventCode == KeyValue.EVENT_NONE)
return ;
if ((flags & KeyValue.FLAG_CTRL) != 0)
meta |= KeyEvent.META_CTRL_LEFT_ON | KeyEvent.META_CTRL_ON;
if ((flags & KeyValue.FLAG_ALT) != 0)
meta |= KeyEvent.META_ALT_LEFT_ON | KeyEvent.META_ALT_ON;
if ((flags & KeyValue.FLAG_SHIFT) != 0)
meta |= KeyEvent.META_SHIFT_LEFT_ON | KeyEvent.META_SHIFT_ON;
if ((flags & KeyValue.FLAG_META) != 0)
meta |= KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_ON;
_recv.sendKeyEvent(key.eventCode, meta);
}
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 eventCode, int meta);
public void commitText(String text);
public void commitChar(char c);
}
}