/*
* Copyright 2000-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.openapi.keymap;
import com.intellij.util.ui.UIUtil;
import org.intellij.lang.annotations.JdkConstants;
import javax.swing.*;
import java.awt.*;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
/**
* Utility class to display action shortcuts in Mac menus
*
* @author Konstantin Bulenkov
*/
@SuppressWarnings("UnusedDeclaration")
public class MacKeymapUtil {
public static final String ESCAPE = "\u238B";
public static final String TAB = "\u21E5";
public static final String TAB_BACK = "\u21E4";
public static final String CAPS_LOCK = "\u21EA";
public static final String SHIFT = "\u21E7";
public static final String CONTROL = "\u2303";
public static final String OPTION = "\u2325";
public static final String APPLE = "\uF8FF";
public static final String COMMAND = "\u2318";
public static final String SPACE = "\u2423";
public static final String RETURN = "\u23CE";
public static final String BACKSPACE = "\u232B";
public static final String DELETE = "\u2326";
public static final String HOME = "\u2196";
public static final String END = "\u2198";
public static final String PAGE_UP = "\u21DE";
public static final String PAGE_DOWN = "\u21DF";
public static final String UP = "\u2191";
public static final String DOWN = "\u2193";
public static final String LEFT = "\u2190";
public static final String RIGHT = "\u2192";
public static final String CLEAR = "\u2327";
public static final String NUMBER_LOCK = "\u21ED";
public static final String ENTER = "\u2324";
public static final String EJECT = "\u23CF";
public static final String POWER3 = "\u233D";
public static final String NUM_PAD = "\u2328";
public static String getModifiersText(@JdkConstants.InputEventMask int modifiers) {
StringBuilder buf = new StringBuilder();
if ((modifiers & InputEvent.CTRL_MASK) != 0) buf.append(get(CONTROL, "Ctrl+"));
if ((modifiers & InputEvent.ALT_MASK) != 0) buf.append(get(OPTION, "Alt+"));
if ((modifiers & InputEvent.SHIFT_MASK) != 0) buf.append(get(SHIFT, "Shift+"));
if ((modifiers & InputEvent.ALT_GRAPH_MASK) != 0) buf.append(Toolkit.getProperty("AWT.altGraph", "Alt Graph"));
if ((modifiers & InputEvent.BUTTON1_MASK) != 0) buf.append(Toolkit.getProperty("AWT.button1", "Button1"));
if ((modifiers & InputEvent.META_MASK) != 0) buf.append(get(COMMAND, "Cmd+"));
return buf.toString();
}
public static String getKeyText(int code) {
switch (code) {
case KeyEvent.VK_BACK_SPACE: return get(BACKSPACE, "Backspace");
case KeyEvent.VK_ESCAPE: return get(ESCAPE, "Escape");
case KeyEvent.VK_CAPS_LOCK: return get(CAPS_LOCK, "Caps Lock");
case KeyEvent.VK_TAB: return get(TAB, "Tab");
case KeyEvent.VK_SPACE: return "Space";
case KeyEvent.VK_DELETE: return get(DELETE, "Delete");
case KeyEvent.VK_HOME: return get(HOME, "Home");
case KeyEvent.VK_END: return get(END, "End");
case KeyEvent.VK_PAGE_UP: return get(PAGE_UP, "Page Up");
case KeyEvent.VK_PAGE_DOWN: return get(PAGE_DOWN, "Page Down");
case KeyEvent.VK_UP: return get(UP, "Up Arrow");
case KeyEvent.VK_DOWN: return get(DOWN, "Down Arrow");
case KeyEvent.VK_LEFT: return get(LEFT, "Left Arrow");
case KeyEvent.VK_RIGHT: return get(RIGHT, "Right Arrow");
case KeyEvent.VK_NUM_LOCK: return get(NUMBER_LOCK, "Num Lock");
case KeyEvent.VK_ENTER: return get(RETURN, "Return");
case KeyEvent.VK_BACK_QUOTE: return "`";
case KeyEvent.VK_NUMBER_SIGN: return get(NUM_PAD, "NumPad");
case KeyEvent.VK_MULTIPLY: return get(NUM_PAD, "NumPad") + " *";
case KeyEvent.VK_ADD: return "+";
case KeyEvent.VK_SEPARATOR: return ",";
case KeyEvent.VK_SUBTRACT: return "-";
case KeyEvent.VK_DECIMAL: return ".";
case KeyEvent.VK_DIVIDE: return "NumPad /";
case KeyEvent.VK_NUMPAD0: return "0";
case KeyEvent.VK_NUMPAD1: return "1";
case KeyEvent.VK_NUMPAD2: return "2";
case KeyEvent.VK_NUMPAD3: return "3";
case KeyEvent.VK_NUMPAD4: return "4";
case KeyEvent.VK_NUMPAD5: return "5";
case KeyEvent.VK_NUMPAD6: return "6";
case KeyEvent.VK_NUMPAD7: return "7";
case KeyEvent.VK_NUMPAD8: return "8";
case KeyEvent.VK_NUMPAD9: return "9";
case KeyEvent.VK_SLASH: return "/";
case KeyEvent.VK_BACK_SLASH: return "\\";
case KeyEvent.VK_PERIOD: return ".";
case KeyEvent.VK_SEMICOLON: return ";";
case KeyEvent.VK_CLOSE_BRACKET: return "]";
case KeyEvent.VK_OPEN_BRACKET: return "[";
case KeyEvent.VK_EQUALS: return "=";
case KeyEvent.VK_MINUS: return "-";
case KeyEvent.VK_PLUS: return "+";
case 0: return "fn";
}
return KeyEvent.getKeyText(code);
}
public static String getKeyStrokeText(KeyStroke keyStroke) {
final String modifiers = getModifiersText(keyStroke.getModifiers());
final String key = getKeyText(keyStroke.getKeyCode());
return modifiers + key;
}
private static String get(String value, String replacement) {
Font font = UIUtil.getLabelFont();
return font == null || font.canDisplayUpTo(value) == -1 ? value : replacement;
}
}