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/*******************************************************************************
* Copyright (c) 2009, 2010 compeople AG and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* compeople AG - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.internal.qt;
import com.trolltech.qt.core.Qt.Key;
import com.trolltech.qt.core.Qt.KeyboardModifier;
import com.trolltech.qt.core.Qt.KeyboardModifiers;
import com.trolltech.qt.gui.QKeyEvent;
import org.eclipse.swt.SWT;
/**
* Helper class for Key translation SWT <-> Qt
*/
public class KeyUtil {
/* Key Mappings */
private static final int[][] KeyTable = {
/* Keyboard and Mouse Masks */
{ Key.Key_Alt.value(), SWT.ALT }, { Key.Key_AltGr.value(), SWT.ALT }, { Key.Key_Meta.value(), SWT.ALT },
{ Key.Key_Shift.value(), SWT.SHIFT }, { Key.Key_Control.value(), SWT.CONTROL },
/* Non-Numeric Keypad Keys */
{ Key.Key_Up.value(), SWT.ARROW_UP }, { Key.Key_Down.value(), SWT.ARROW_DOWN },
{ Key.Key_Left.value(), SWT.ARROW_LEFT }, { Key.Key_Right.value(), SWT.ARROW_RIGHT },
{ Key.Key_PageUp.value(), SWT.PAGE_UP }, { Key.Key_PageDown.value(), SWT.PAGE_DOWN },
{ Key.Key_Home.value(), SWT.HOME }, { Key.Key_End.value(), SWT.END },
{ Key.Key_Insert.value(), SWT.INSERT },
/* Virtual and Ascii Keys */
{ Key.Key_Space.value(), ' ' }, { Key.Key_Backspace.value(), SWT.BS }, { Key.Key_Return.value(), SWT.CR },
{ Key.Key_Delete.value(), SWT.DEL }, { Key.Key_Escape.value(), SWT.ESC },
{ Key.Key_Enter.value(), SWT.CR }, { Key.Key_Tab.value(), SWT.TAB }, { Key.Key_Backtab.value(), SWT.TAB },
/* Functions Keys */
{ Key.Key_F1.value(), SWT.F1 }, { Key.Key_F2.value(), SWT.F2 }, { Key.Key_F3.value(), SWT.F3 },
{ Key.Key_F4.value(), SWT.F4 }, { Key.Key_F5.value(), SWT.F5 }, { Key.Key_F6.value(), SWT.F6 },
{ Key.Key_F7.value(), SWT.F7 }, { Key.Key_F8.value(), SWT.F8 }, { Key.Key_F9.value(), SWT.F9 },
{ Key.Key_F10.value(), SWT.F10 }, { Key.Key_F11.value(), SWT.F11 }, { Key.Key_F12.value(), SWT.F12 },
{ Key.Key_F13.value(), SWT.F13 }, { Key.Key_F14.value(), SWT.F14 }, { Key.Key_F15.value(), SWT.F15 },
/* Other keys */
{ Key.Key_CapsLock.value(), SWT.CAPS_LOCK }, { Key.Key_NumLock.value(), SWT.NUM_LOCK },
{ Key.Key_ScrollLock.value(), SWT.SCROLL_LOCK }, { Key.Key_Pause.value(), SWT.PAUSE },
{ Key.Key_Print.value(), SWT.PRINT_SCREEN }, { Key.Key_Help.value(), SWT.HELP },
};
private static final int[][] KeyPadKeyTable = {
/* Numeric Keypad Keys */
{ Key.Key_Asterisk.value(), SWT.KEYPAD_MULTIPLY }, { Key.Key_Plus.value(), SWT.KEYPAD_ADD },
{ Key.Key_Enter.value(), SWT.KEYPAD_CR }, { Key.Key_Minus.value(), SWT.KEYPAD_SUBTRACT },
{ Key.Key_Period.value(), SWT.KEYPAD_DECIMAL }, { Key.Key_Slash.value(), SWT.KEYPAD_DIVIDE },
{ Key.Key_0.value(), SWT.KEYPAD_0 }, { Key.Key_1.value(), SWT.KEYPAD_1 },
{ Key.Key_2.value(), SWT.KEYPAD_2 }, { Key.Key_3.value(), SWT.KEYPAD_3 },
{ Key.Key_4.value(), SWT.KEYPAD_4 }, { Key.Key_5.value(), SWT.KEYPAD_5 },
{ Key.Key_6.value(), SWT.KEYPAD_6 }, { Key.Key_7.value(), SWT.KEYPAD_7 },
{ Key.Key_8.value(), SWT.KEYPAD_8 }, { Key.Key_9.value(), SWT.KEYPAD_9 },
{ Key.Key_Equal.value(), SWT.KEYPAD_EQUAL }, };
private KeyUtil() {
// utility class
}
public static int translateKey(int key) {
for (int i = 0; i < KeyTable.length; i++) {
if (KeyTable[i][0] == key) {
return KeyTable[i][1];
}
}
return 0;
}
public static int untranslateKey(int key) {
for (int i = 0; i < KeyTable.length; i++) {
if (KeyTable[i][1] == key) {
return KeyTable[i][0];
}
}
return 0;
}
// Converts keys from Qt to SWT
public static final int translateKey(QKeyEvent qEvent) {
int key = qEvent.key();
boolean keypad = qEvent.modifiers().isSet(KeyboardModifier.KeypadModifier);
if (keypad) {
for (int i = 0; i < KeyPadKeyTable.length; i++) {
if (KeyPadKeyTable[i][0] == key) {
return KeyPadKeyTable[i][1];
}
}
}
for (int i = 0; i < KeyTable.length; i++) {
if (KeyTable[i][0] == key) {
return KeyTable[i][1];
}
}
return 0;
}
// Converts modifiers from Qt to SWT
public static final int translateModifiers(KeyboardModifiers nativeModifiers) {
int modifiers = 0;
if (nativeModifiers.isSet(KeyboardModifier.AltModifier)) {
modifiers |= SWT.ALT;
}
if (nativeModifiers.isSet(KeyboardModifier.ShiftModifier)) {
modifiers |= SWT.SHIFT;
}
if (nativeModifiers.isSet(KeyboardModifier.ControlModifier)) {
modifiers |= SWT.CONTROL;
}
return modifiers;
}
}
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