Java Tutorial/Swing Event/KeyStroke
Содержание
- 1 Activating a Keystroke When Any Child Component Has Focus
- 2 Activating a Keystroke When Any Component in the Window Has Focus
- 3 Bind a keystroke to shift-space
- 4 Converting a KeyStroke to a String
- 5 Creating a KeyStroke
- 6 Creating a KeyStroke and Binding It to an Action
- 7 Get Key Text
- 8 KeyStroke Class
- 9 KeyStroke.getKeyStroke("F2")
- 10 KeyStroke Sample: function key and Shift key
- 11 KeyStroke Sample: Space key
- 12 KeyStroke Sample: VKEnter
- 13 KeyStroke to String
- 14 List keystrokes in the WHEN_ANCESTOR_OF_FOCUSED_COMPONENT input map of the component
- 15 List keystrokes in the WHEN_IN_FOCUSED_WINDOW input map of the component
- 16 Override $ key
- 17 Overriding - key
- 18 Overriding space key
- 19 Registering a KeyStroke
- 20 Remove all backward focus traversal keys for the application
- 21 Remove all forward focus traversal keys for the application
- 22 Set<AWTKeyStroke> java.awt.Container.getFocusTraversalKeys(int id)
Activating a Keystroke When Any Child Component Has Focus
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) throws Exception {
JButton component = new JButton();
MyAction action = new MyAction();
component.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(
KeyStroke.getKeyStroke("F2"), action.getValue(Action.NAME));
}
}
class MyAction extends AbstractAction {
public MyAction() {
super("my action");
}
public void actionPerformed(ActionEvent e) {
System.out.println("hi");
}
}
Activating a Keystroke When Any Component in the Window Has Focus
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) throws Exception {
JButton component = new JButton();
MyAction action = new MyAction();
component.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke("F2"),
action.getValue(Action.NAME));
}
}
class MyAction extends AbstractAction {
public MyAction() {
super("my action");
}
public void actionPerformed(ActionEvent e) {
System.out.println("hi");
}
}
Bind a keystroke to shift-space
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) {
JTextField component = new JTextField(10);
component.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke("shift pressed SPACE"), "actionName");
JFrame f = new JFrame();
f.add(component);
f.setSize(300, 300);
f.setVisible(true);
}
}
Converting a KeyStroke to a String
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.Action;
import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) throws Exception {
JButton component = new JButton("button");
InputMap map = component.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
list(map, map.keys());
list(map, map.allKeys());
}
static void list(InputMap map, KeyStroke[] keys) {
if (keys == null) {
return;
}
for (int i = 0; i < keys.length; i++) {
keyStroke2String(keys[i]);
while (map.get(keys[i]) == null) {
map = map.getParent();
}
if (map.get(keys[i]) instanceof String) {
String actionName = (String) map.get(keys[i]);
} else {
Action action = (Action) map.get(keys[i]);
}
}
}
static void keyStroke2String(KeyStroke key) {
int m = key.getModifiers();
if ((m & (InputEvent.SHIFT_DOWN_MASK | InputEvent.SHIFT_MASK)) != 0) {
System.out.println("shift ");
}
if ((m & (InputEvent.CTRL_DOWN_MASK | InputEvent.CTRL_MASK)) != 0) {
System.out.println("ctrl ");
}
if ((m & (InputEvent.META_DOWN_MASK | InputEvent.META_MASK)) != 0) {
System.out.println("meta ");
}
if ((m & (InputEvent.ALT_DOWN_MASK | InputEvent.ALT_MASK)) != 0) {
System.out.println("alt ");
}
if ((m & (InputEvent.BUTTON1_DOWN_MASK | InputEvent.BUTTON1_MASK)) != 0) {
System.out.println("button1 ");
}
if ((m & (InputEvent.BUTTON2_DOWN_MASK | InputEvent.BUTTON2_MASK)) != 0) {
System.out.println("button2 ");
}
if ((m & (InputEvent.BUTTON3_DOWN_MASK | InputEvent.BUTTON3_MASK)) != 0) {
System.out.println("button3 ");
}
switch (key.getKeyEventType()) {
case KeyEvent.KEY_TYPED:
System.out.println("typed ");
System.out.println(key.getKeyChar() + " ");
break;
case KeyEvent.KEY_PRESSED:
System.out.println("pressed ");
System.out.println(getKeyText(key.getKeyCode()) + " ");
break;
case KeyEvent.KEY_RELEASED:
System.out.println("released ");
System.out.println(getKeyText(key.getKeyCode()) + " ");
break;
default:
System.out.println("unknown-event-type ");
break;
}
}
static String getKeyText(int keyCode) {
if (keyCode >= KeyEvent.VK_0 && keyCode <= KeyEvent.VK_9 || keyCode >= KeyEvent.VK_A
&& keyCode <= KeyEvent.VK_Z) {
return String.valueOf((char) keyCode);
}
switch (keyCode) {
case KeyEvent.VK_COMMA:
return "COMMA";
case KeyEvent.VK_PERIOD:
return "PERIOD";
case KeyEvent.VK_SLASH:
return "SLASH";
case KeyEvent.VK_SEMICOLON:
return "SEMICOLON";
case KeyEvent.VK_EQUALS:
return "EQUALS";
case KeyEvent.VK_OPEN_BRACKET:
return "OPEN_BRACKET";
case KeyEvent.VK_BACK_SLASH:
return "BACK_SLASH";
case KeyEvent.VK_CLOSE_BRACKET:
return "CLOSE_BRACKET";
case KeyEvent.VK_ENTER:
return "ENTER";
case KeyEvent.VK_BACK_SPACE:
return "BACK_SPACE";
case KeyEvent.VK_TAB:
return "TAB";
case KeyEvent.VK_CANCEL:
return "CANCEL";
case KeyEvent.VK_CLEAR:
return "CLEAR";
case KeyEvent.VK_SHIFT:
return "SHIFT";
case KeyEvent.VK_CONTROL:
return "CONTROL";
case KeyEvent.VK_ALT:
return "ALT";
case KeyEvent.VK_PAUSE:
return "PAUSE";
case KeyEvent.VK_CAPS_LOCK:
return "CAPS_LOCK";
case KeyEvent.VK_ESCAPE:
return "ESCAPE";
case KeyEvent.VK_SPACE:
return "SPACE";
case KeyEvent.VK_PAGE_UP:
return "PAGE_UP";
case KeyEvent.VK_PAGE_DOWN:
return "PAGE_DOWN";
case KeyEvent.VK_END:
return "END";
case KeyEvent.VK_HOME:
return "HOME";
case KeyEvent.VK_LEFT:
return "LEFT";
case KeyEvent.VK_UP:
return "UP";
case KeyEvent.VK_RIGHT:
return "RIGHT";
case KeyEvent.VK_DOWN:
return "DOWN";
case KeyEvent.VK_MULTIPLY:
return "MULTIPLY";
case KeyEvent.VK_ADD:
return "ADD";
case KeyEvent.VK_SEPARATOR:
return "SEPARATOR";
case KeyEvent.VK_SUBTRACT:
return "SUBTRACT";
case KeyEvent.VK_DECIMAL:
return "DECIMAL";
case KeyEvent.VK_DIVIDE:
return "DIVIDE";
case KeyEvent.VK_DELETE:
return "DELETE";
case KeyEvent.VK_NUM_LOCK:
return "NUM_LOCK";
case KeyEvent.VK_SCROLL_LOCK:
return "SCROLL_LOCK";
case KeyEvent.VK_F1:
return "F1";
case KeyEvent.VK_F2:
return "F2";
case KeyEvent.VK_F3:
return "F3";
case KeyEvent.VK_F4:
return "F4";
case KeyEvent.VK_F5:
return "F5";
case KeyEvent.VK_F6:
return "F6";
case KeyEvent.VK_F7:
return "F7";
case KeyEvent.VK_F8:
return "F8";
case KeyEvent.VK_F9:
return "F9";
case KeyEvent.VK_F10:
return "F10";
case KeyEvent.VK_F11:
return "F11";
case KeyEvent.VK_F12:
return "F12";
case KeyEvent.VK_F13:
return "F13";
case KeyEvent.VK_F14:
return "F14";
case KeyEvent.VK_F15:
return "F15";
case KeyEvent.VK_F16:
return "F16";
case KeyEvent.VK_F17:
return "F17";
case KeyEvent.VK_F18:
return "F18";
case KeyEvent.VK_F19:
return "F19";
case KeyEvent.VK_F20:
return "F20";
case KeyEvent.VK_F21:
return "F21";
case KeyEvent.VK_F22:
return "F22";
case KeyEvent.VK_F23:
return "F23";
case KeyEvent.VK_F24:
return "F24";
case KeyEvent.VK_PRINTSCREEN:
return "PRINTSCREEN";
case KeyEvent.VK_INSERT:
return "INSERT";
case KeyEvent.VK_HELP:
return "HELP";
case KeyEvent.VK_META:
return "META";
case KeyEvent.VK_BACK_QUOTE:
return "BACK_QUOTE";
case KeyEvent.VK_QUOTE:
return "QUOTE";
case KeyEvent.VK_KP_UP:
return "KP_UP";
case KeyEvent.VK_KP_DOWN:
return "KP_DOWN";
case KeyEvent.VK_KP_LEFT:
return "KP_LEFT";
case KeyEvent.VK_KP_RIGHT:
return "KP_RIGHT";
case KeyEvent.VK_DEAD_GRAVE:
return "DEAD_GRAVE";
case KeyEvent.VK_DEAD_ACUTE:
return "DEAD_ACUTE";
case KeyEvent.VK_DEAD_CIRCUMFLEX:
return "DEAD_CIRCUMFLEX";
case KeyEvent.VK_DEAD_TILDE:
return "DEAD_TILDE";
case KeyEvent.VK_DEAD_MACRON:
return "DEAD_MACRON";
case KeyEvent.VK_DEAD_BREVE:
return "DEAD_BREVE";
case KeyEvent.VK_DEAD_ABOVEDOT:
return "DEAD_ABOVEDOT";
case KeyEvent.VK_DEAD_DIAERESIS:
return "DEAD_DIAERESIS";
case KeyEvent.VK_DEAD_ABOVERING:
return "DEAD_ABOVERING";
case KeyEvent.VK_DEAD_DOUBLEACUTE:
return "DEAD_DOUBLEACUTE";
case KeyEvent.VK_DEAD_CARON:
return "DEAD_CARON";
case KeyEvent.VK_DEAD_CEDILLA:
return "DEAD_CEDILLA";
case KeyEvent.VK_DEAD_OGONEK:
return "DEAD_OGONEK";
case KeyEvent.VK_DEAD_IOTA:
return "DEAD_IOTA";
case KeyEvent.VK_DEAD_VOICED_SOUND:
return "DEAD_VOICED_SOUND";
case KeyEvent.VK_DEAD_SEMIVOICED_SOUND:
return "DEAD_SEMIVOICED_SOUND";
case KeyEvent.VK_AMPERSAND:
return "AMPERSAND";
case KeyEvent.VK_ASTERISK:
return "ASTERISK";
case KeyEvent.VK_QUOTEDBL:
return "QUOTEDBL";
case KeyEvent.VK_LESS:
return "LESS";
case KeyEvent.VK_GREATER:
return "GREATER";
case KeyEvent.VK_BRACELEFT:
return "BRACELEFT";
case KeyEvent.VK_BRACERIGHT:
return "BRACERIGHT";
case KeyEvent.VK_AT:
return "AT";
case KeyEvent.VK_COLON:
return "COLON";
case KeyEvent.VK_CIRCUMFLEX:
return "CIRCUMFLEX";
case KeyEvent.VK_DOLLAR:
return "DOLLAR";
case KeyEvent.VK_EURO_SIGN:
return "EURO_SIGN";
case KeyEvent.VK_EXCLAMATION_MARK:
return "EXCLAMATION_MARK";
case KeyEvent.VK_INVERTED_EXCLAMATION_MARK:
return "INVERTED_EXCLAMATION_MARK";
case KeyEvent.VK_LEFT_PARENTHESIS:
return "LEFT_PARENTHESIS";
case KeyEvent.VK_NUMBER_SIGN:
return "NUMBER_SIGN";
case KeyEvent.VK_MINUS:
return "MINUS";
case KeyEvent.VK_PLUS:
return "PLUS";
case KeyEvent.VK_RIGHT_PARENTHESIS:
return "RIGHT_PARENTHESIS";
case KeyEvent.VK_UNDERSCORE:
return "UNDERSCORE";
case KeyEvent.VK_FINAL:
return "FINAL";
case KeyEvent.VK_CONVERT:
return "CONVERT";
case KeyEvent.VK_NONCONVERT:
return "NONCONVERT";
case KeyEvent.VK_ACCEPT:
return "ACCEPT";
case KeyEvent.VK_MODECHANGE:
return "MODECHANGE";
case KeyEvent.VK_KANA:
return "KANA";
case KeyEvent.VK_KANJI:
return "KANJI";
case KeyEvent.VK_ALPHANUMERIC:
return "ALPHANUMERIC";
case KeyEvent.VK_KATAKANA:
return "KATAKANA";
case KeyEvent.VK_HIRAGANA:
return "HIRAGANA";
case KeyEvent.VK_FULL_WIDTH:
return "FULL_WIDTH";
case KeyEvent.VK_HALF_WIDTH:
return "HALF_WIDTH";
case KeyEvent.VK_ROMAN_CHARACTERS:
return "ROMAN_CHARACTERS";
case KeyEvent.VK_ALL_CANDIDATES:
return "ALL_CANDIDATES";
case KeyEvent.VK_PREVIOUS_CANDIDATE:
return "PREVIOUS_CANDIDATE";
case KeyEvent.VK_CODE_INPUT:
return "CODE_INPUT";
case KeyEvent.VK_JAPANESE_KATAKANA:
return "JAPANESE_KATAKANA";
case KeyEvent.VK_JAPANESE_HIRAGANA:
return "JAPANESE_HIRAGANA";
case KeyEvent.VK_JAPANESE_ROMAN:
return "JAPANESE_ROMAN";
case KeyEvent.VK_KANA_LOCK:
return "KANA_LOCK";
case KeyEvent.VK_INPUT_METHOD_ON_OFF:
return "INPUT_METHOD_ON_OFF";
case KeyEvent.VK_AGAIN:
return "AGAIN";
case KeyEvent.VK_UNDO:
return "UNDO";
case KeyEvent.VK_COPY:
return "COPY";
case KeyEvent.VK_PASTE:
return "PASTE";
case KeyEvent.VK_CUT:
return "CUT";
case KeyEvent.VK_FIND:
return "FIND";
case KeyEvent.VK_PROPS:
return "PROPS";
case KeyEvent.VK_STOP:
return "STOP";
case KeyEvent.VK_COMPOSE:
return "COMPOSE";
case KeyEvent.VK_ALT_GRAPH:
return "ALT_GRAPH";
}
if (keyCode >= KeyEvent.VK_NUMPAD0 && keyCode <= KeyEvent.VK_NUMPAD9) {
char c = (char) (keyCode - KeyEvent.VK_NUMPAD0 + "0");
return "NUMPAD" + c;
}
return "unknown(0x" + Integer.toString(keyCode, 16) + ")";
}
}
Creating a KeyStroke
KeyStroke space = KeyStroke.getKeyStroke("Z");
KeyStroke fromKeyEvent = KeyStroke.getKeyStrokeForEvent(keyEvent);
Creating a KeyStroke and Binding It to an Action
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.JButton;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) throws Exception {
JButton component = new JButton("Button");
component.getInputMap().put(KeyStroke.getKeyStroke("F2"), "actionName");
component.getInputMap().put(KeyStroke.getKeyStroke("control A"), "actionName");
component.getInputMap().put(KeyStroke.getKeyStroke("shift F2"), "actionName");
component.getInputMap().put(KeyStroke.getKeyStroke("("), "actionName");
component.getInputMap().put(KeyStroke.getKeyStroke("button3 F"), "actionName");
component.getInputMap().put(KeyStroke.getKeyStroke("typed x"), "actionName");
component.getInputMap().put(KeyStroke.getKeyStroke("released DELETE"), "actionName");
component.getInputMap().put(KeyStroke.getKeyStroke("shift UP"), "actionName");
component.getActionMap().put("actionName", new AbstractAction("actionName") {
public void actionPerformed(ActionEvent evt) {
System.out.println(evt);
}
});
}
}
Get Key Text
/*
* Copyright 2000,2005 wingS development team.
*
* This file is part of wingS (http://wingsframework.org).
*
* wingS is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* Please see COPYING for the complete licence.
*/
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.KeyStroke;
/**
* This source code was taken from a code example at http://javaalmanac.ru/
* and slightly altered to fit our purpose.
* @author ole
*
*/
public class KeystrokeUtil {
public static String keyStroke2String(KeyStroke key) {
if (key == null) return "";
StringBuilder s = new StringBuilder(50);
int m = key.getModifiers();
if ((m & (InputEvent.CTRL_DOWN_MASK|InputEvent.CTRL_MASK)) != 0) {
s.append("Ctrl+");
}
if ((m & (InputEvent.META_DOWN_MASK|InputEvent.META_MASK)) != 0) {
s.append("Meta+");
}
if ((m & (InputEvent.ALT_DOWN_MASK|InputEvent.ALT_MASK)) != 0) {
s.append("Alt+");
}
if ((m & (InputEvent.SHIFT_DOWN_MASK|InputEvent.SHIFT_MASK)) != 0) {
s.append("Shift+");
}
if ((m & (InputEvent.BUTTON1_DOWN_MASK|InputEvent.BUTTON1_MASK)) != 0) {
s.append("Button1+");
}
if ((m & (InputEvent.BUTTON2_DOWN_MASK|InputEvent.BUTTON2_MASK)) != 0) {
s.append("Button2+");
}
if ((m & (InputEvent.BUTTON3_DOWN_MASK|InputEvent.BUTTON3_MASK)) != 0) {
s.append("Button3+");
}
switch (key.getKeyEventType()) {
case KeyEvent.KEY_TYPED:
s.append(key.getKeyChar() + " ");
break;
case KeyEvent.KEY_PRESSED:
case KeyEvent.KEY_RELEASED:
s.append(getKeyText(key.getKeyCode()) + " ");
break;
default:
s.append("unknown-event-type ");
break;
}
return s.toString();
}
public static String getKeyText(int keyCode) {
if (keyCode >= KeyEvent.VK_0 && keyCode <= KeyEvent.VK_9 ||
keyCode >= KeyEvent.VK_A && keyCode <= KeyEvent.VK_Z) {
return String.valueOf((char)keyCode);
}
switch(keyCode) {
case KeyEvent.VK_COMMA: return "COMMA";
case KeyEvent.VK_PERIOD: return "PERIOD";
case KeyEvent.VK_SLASH: return "SLASH";
case KeyEvent.VK_SEMICOLON: return "SEMICOLON";
case KeyEvent.VK_EQUALS: return "EQUALS";
case KeyEvent.VK_OPEN_BRACKET: return "OPEN_BRACKET";
case KeyEvent.VK_BACK_SLASH: return "BACK_SLASH";
case KeyEvent.VK_CLOSE_BRACKET: return "CLOSE_BRACKET";
case KeyEvent.VK_ENTER: return "ENTER";
case KeyEvent.VK_BACK_SPACE: return "BACK_SPACE";
case KeyEvent.VK_TAB: return "TAB";
case KeyEvent.VK_CANCEL: return "CANCEL";
case KeyEvent.VK_CLEAR: return "CLEAR";
case KeyEvent.VK_SHIFT: return "SHIFT";
case KeyEvent.VK_CONTROL: return "CONTROL";
case KeyEvent.VK_ALT: return "ALT";
case KeyEvent.VK_PAUSE: return "PAUSE";
case KeyEvent.VK_CAPS_LOCK: return "CAPS_LOCK";
case KeyEvent.VK_ESCAPE: return "ESCAPE";
case KeyEvent.VK_SPACE: return "SPACE";
case KeyEvent.VK_PAGE_UP: return "PAGE_UP";
case KeyEvent.VK_PAGE_DOWN: return "PAGE_DOWN";
case KeyEvent.VK_END: return "END";
case KeyEvent.VK_HOME: return "HOME";
case KeyEvent.VK_LEFT: return "LEFT";
case KeyEvent.VK_UP: return "UP";
case KeyEvent.VK_RIGHT: return "RIGHT";
case KeyEvent.VK_DOWN: return "DOWN";
// numpad numeric keys handled below
case KeyEvent.VK_MULTIPLY: return "MULTIPLY";
case KeyEvent.VK_ADD: return "ADD";
case KeyEvent.VK_SEPARATOR: return "SEPARATOR";
case KeyEvent.VK_SUBTRACT: return "SUBTRACT";
case KeyEvent.VK_DECIMAL: return "DECIMAL";
case KeyEvent.VK_DIVIDE: return "DIVIDE";
case KeyEvent.VK_DELETE: return "DELETE";
case KeyEvent.VK_NUM_LOCK: return "NUM_LOCK";
case KeyEvent.VK_SCROLL_LOCK: return "SCROLL_LOCK";
case KeyEvent.VK_F1: return "F1";
case KeyEvent.VK_F2: return "F2";
case KeyEvent.VK_F3: return "F3";
case KeyEvent.VK_F4: return "F4";
case KeyEvent.VK_F5: return "F5";
case KeyEvent.VK_F6: return "F6";
case KeyEvent.VK_F7: return "F7";
case KeyEvent.VK_F8: return "F8";
case KeyEvent.VK_F9: return "F9";
case KeyEvent.VK_F10: return "F10";
case KeyEvent.VK_F11: return "F11";
case KeyEvent.VK_F12: return "F12";
case KeyEvent.VK_F13: return "F13";
case KeyEvent.VK_F14: return "F14";
case KeyEvent.VK_F15: return "F15";
case KeyEvent.VK_F16: return "F16";
case KeyEvent.VK_F17: return "F17";
case KeyEvent.VK_F18: return "F18";
case KeyEvent.VK_F19: return "F19";
case KeyEvent.VK_F20: return "F20";
case KeyEvent.VK_F21: return "F21";
case KeyEvent.VK_F22: return "F22";
case KeyEvent.VK_F23: return "F23";
case KeyEvent.VK_F24: return "F24";
case KeyEvent.VK_PRINTSCREEN: return "PRINTSCREEN";
case KeyEvent.VK_INSERT: return "INSERT";
case KeyEvent.VK_HELP: return "HELP";
case KeyEvent.VK_META: return "META";
case KeyEvent.VK_BACK_QUOTE: return "BACK_QUOTE";
case KeyEvent.VK_QUOTE: return "QUOTE";
case KeyEvent.VK_KP_UP: return "KP_UP";
case KeyEvent.VK_KP_DOWN: return "KP_DOWN";
case KeyEvent.VK_KP_LEFT: return "KP_LEFT";
case KeyEvent.VK_KP_RIGHT: return "KP_RIGHT";
case KeyEvent.VK_DEAD_GRAVE: return "DEAD_GRAVE";
case KeyEvent.VK_DEAD_ACUTE: return "DEAD_ACUTE";
case KeyEvent.VK_DEAD_CIRCUMFLEX: return "DEAD_CIRCUMFLEX";
case KeyEvent.VK_DEAD_TILDE: return "DEAD_TILDE";
case KeyEvent.VK_DEAD_MACRON: return "DEAD_MACRON";
case KeyEvent.VK_DEAD_BREVE: return "DEAD_BREVE";
case KeyEvent.VK_DEAD_ABOVEDOT: return "DEAD_ABOVEDOT";
case KeyEvent.VK_DEAD_DIAERESIS: return "DEAD_DIAERESIS";
case KeyEvent.VK_DEAD_ABOVERING: return "DEAD_ABOVERING";
case KeyEvent.VK_DEAD_DOUBLEACUTE: return "DEAD_DOUBLEACUTE";
case KeyEvent.VK_DEAD_CARON: return "DEAD_CARON";
case KeyEvent.VK_DEAD_CEDILLA: return "DEAD_CEDILLA";
case KeyEvent.VK_DEAD_OGONEK: return "DEAD_OGONEK";
case KeyEvent.VK_DEAD_IOTA: return "DEAD_IOTA";
case KeyEvent.VK_DEAD_VOICED_SOUND: return "DEAD_VOICED_SOUND";
case KeyEvent.VK_DEAD_SEMIVOICED_SOUND: return "DEAD_SEMIVOICED_SOUND";
case KeyEvent.VK_AMPERSAND: return "AMPERSAND";
case KeyEvent.VK_ASTERISK: return "ASTERISK";
case KeyEvent.VK_QUOTEDBL: return "QUOTEDBL";
case KeyEvent.VK_LESS: return "LESS";
case KeyEvent.VK_GREATER: return "GREATER";
case KeyEvent.VK_BRACELEFT: return "BRACELEFT";
case KeyEvent.VK_BRACERIGHT: return "BRACERIGHT";
case KeyEvent.VK_AT: return "AT";
case KeyEvent.VK_COLON: return "COLON";
case KeyEvent.VK_CIRCUMFLEX: return "CIRCUMFLEX";
case KeyEvent.VK_DOLLAR: return "DOLLAR";
case KeyEvent.VK_EURO_SIGN: return "EURO_SIGN";
case KeyEvent.VK_EXCLAMATION_MARK: return "EXCLAMATION_MARK";
case KeyEvent.VK_INVERTED_EXCLAMATION_MARK:
return "INVERTED_EXCLAMATION_MARK";
case KeyEvent.VK_LEFT_PARENTHESIS: return "LEFT_PARENTHESIS";
case KeyEvent.VK_NUMBER_SIGN: return "NUMBER_SIGN";
case KeyEvent.VK_MINUS: return "MINUS";
case KeyEvent.VK_PLUS: return "PLUS";
case KeyEvent.VK_RIGHT_PARENTHESIS: return "RIGHT_PARENTHESIS";
case KeyEvent.VK_UNDERSCORE: return "UNDERSCORE";
case KeyEvent.VK_FINAL: return "FINAL";
case KeyEvent.VK_CONVERT: return "CONVERT";
case KeyEvent.VK_NONCONVERT: return "NONCONVERT";
case KeyEvent.VK_ACCEPT: return "ACCEPT";
case KeyEvent.VK_MODECHANGE: return "MODECHANGE";
case KeyEvent.VK_KANA: return "KANA";
case KeyEvent.VK_KANJI: return "KANJI";
case KeyEvent.VK_ALPHANUMERIC: return "ALPHANUMERIC";
case KeyEvent.VK_KATAKANA: return "KATAKANA";
case KeyEvent.VK_HIRAGANA: return "HIRAGANA";
case KeyEvent.VK_FULL_WIDTH: return "FULL_WIDTH";
case KeyEvent.VK_HALF_WIDTH: return "HALF_WIDTH";
case KeyEvent.VK_ROMAN_CHARACTERS: return "ROMAN_CHARACTERS";
case KeyEvent.VK_ALL_CANDIDATES: return "ALL_CANDIDATES";
case KeyEvent.VK_PREVIOUS_CANDIDATE: return "PREVIOUS_CANDIDATE";
case KeyEvent.VK_CODE_INPUT: return "CODE_INPUT";
case KeyEvent.VK_JAPANESE_KATAKANA: return "JAPANESE_KATAKANA";
case KeyEvent.VK_JAPANESE_HIRAGANA: return "JAPANESE_HIRAGANA";
case KeyEvent.VK_JAPANESE_ROMAN: return "JAPANESE_ROMAN";
case KeyEvent.VK_KANA_LOCK: return "KANA_LOCK";
case KeyEvent.VK_INPUT_METHOD_ON_OFF: return "INPUT_METHOD_ON_OFF";
case KeyEvent.VK_AGAIN: return "AGAIN";
case KeyEvent.VK_UNDO: return "UNDO";
case KeyEvent.VK_COPY: return "COPY";
case KeyEvent.VK_PASTE: return "PASTE";
case KeyEvent.VK_CUT: return "CUT";
case KeyEvent.VK_FIND: return "FIND";
case KeyEvent.VK_PROPS: return "PROPS";
case KeyEvent.VK_STOP: return "STOP";
case KeyEvent.VK_COMPOSE: return "COMPOSE";
case KeyEvent.VK_ALT_GRAPH: return "ALT_GRAPH";
}
if (keyCode >= KeyEvent.VK_NUMPAD0 && keyCode <= KeyEvent.VK_NUMPAD9) {
char c = (char)(keyCode - KeyEvent.VK_NUMPAD0 + "0");
return "NUMPAD"+c;
}
return "unknown(0x" + Integer.toString(keyCode, 16) + ")";
}
}
KeyStroke Class
ConstantDescriptionWHEN_FOCUSEDActivates the keystroke when the actual component has the input focusWHEN_IN_FOCUSED_WINDOWActivates the keystroke when the window that the component is in has the input focusWHEN_ANCESTOR_OF_FOCUSED_COMPONENTActivates the keystroke when pressed in the component or a container of the componentUNDEFINED_CONDITIONFor when no condition is defined
KeyStroke.getKeyStroke("F2")
import java.awt.KeyboardFocusManager;
import java.util.HashSet;
import java.util.Set;
import javax.swing.JButton;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) throws Exception {
JButton component = new JButton("a");
Set set = new HashSet(component
.getFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS));
set.add(KeyStroke.getKeyStroke("F2"));
component.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set);
}
}
KeyStroke Sample: function key and Shift key
import java.awt.event.ActionEvent;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ActionMap;
import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.KeyStroke;
public class KeyStrokeSampleVKF4Shift {
public static void main(String[] a) {
String ACTION_KEY = "theAction";
JFrame frame = new JFrame("KeyStroke Sample");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JButton buttonA = new JButton("<html><center>ANCESTOR<br>VK_F4+SHIFT_MASK");
Action actionListener = new AbstractAction() {
public void actionPerformed(ActionEvent actionEvent) {
JButton source = (JButton) actionEvent.getSource();
System.out.println(source.getText());
}
};
KeyStroke shiftF4 = KeyStroke.getKeyStroke(KeyEvent.VK_F4, InputEvent.SHIFT_MASK);
InputMap inputMap = buttonA.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
inputMap.put(shiftF4, ACTION_KEY);
ActionMap actionMap = buttonA.getActionMap();
actionMap.put(ACTION_KEY, actionListener);
buttonA.setActionMap(actionMap);
frame.add(buttonA);
frame.setSize(400, 200);
frame.setVisible(true);
}
}
KeyStroke Sample: Space key
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ActionMap;
import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.KeyStroke;
public class KeyStrokeSampleSpace {
public static void main(String[] a) {
String ACTION_KEY = "theAction";
JFrame frame = new JFrame("KeyStroke Sample");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JButton buttonA = new JButton("<html><center>WINDOW<br>" "");
Action actionListener = new AbstractAction() {
public void actionPerformed(ActionEvent actionEvent) {
JButton source = (JButton) actionEvent.getSource();
System.out.println(source.getText());
}
};
KeyStroke space = KeyStroke.getKeyStroke(" ");
InputMap inputMap = buttonA.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
inputMap.put(space, ACTION_KEY);
ActionMap actionMap = buttonA.getActionMap();
actionMap.put(ACTION_KEY, actionListener);
buttonA.setActionMap(actionMap);
frame.add(buttonA);
frame.setSize(400, 200);
frame.setVisible(true);
}
}
KeyStroke Sample: VKEnter
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ActionMap;
import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.KeyStroke;
public class KeyStrokeSampleVKEnter {
public static void main(String[] a) {
String ACTION_KEY = "theAction";
JFrame frame = new JFrame("KeyStroke Sample");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JButton buttonA = new JButton("<html><center>FOCUS/RELEASE<br>VK_ENTER");
Action actionListener = new AbstractAction() {
public void actionPerformed(ActionEvent actionEvent) {
JButton source = (JButton) actionEvent.getSource();
System.out.println(source.getText());
}
};
KeyStroke enter = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, true);
InputMap inputMap = buttonA.getInputMap();
inputMap.put(enter, ACTION_KEY);
ActionMap actionMap = buttonA.getActionMap();
actionMap.put(ACTION_KEY, actionListener);
buttonA.setActionMap(actionMap);
frame.add(buttonA);
frame.setSize(400, 200);
frame.setVisible(true);
}
}
KeyStroke to String
/*
* Copyright 2000,2005 wingS development team.
*
* This file is part of wingS (http://wingsframework.org).
*
* wingS is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* Please see COPYING for the complete licence.
*/
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.KeyStroke;
/**
* This source code was taken from a code example at http://javaalmanac.ru/
* and slightly altered to fit our purpose.
* @author ole
*
*/
public class KeystrokeUtil {
public static String keyStroke2String(KeyStroke key) {
if (key == null) return "";
StringBuilder s = new StringBuilder(50);
int m = key.getModifiers();
if ((m & (InputEvent.CTRL_DOWN_MASK|InputEvent.CTRL_MASK)) != 0) {
s.append("Ctrl+");
}
if ((m & (InputEvent.META_DOWN_MASK|InputEvent.META_MASK)) != 0) {
s.append("Meta+");
}
if ((m & (InputEvent.ALT_DOWN_MASK|InputEvent.ALT_MASK)) != 0) {
s.append("Alt+");
}
if ((m & (InputEvent.SHIFT_DOWN_MASK|InputEvent.SHIFT_MASK)) != 0) {
s.append("Shift+");
}
if ((m & (InputEvent.BUTTON1_DOWN_MASK|InputEvent.BUTTON1_MASK)) != 0) {
s.append("Button1+");
}
if ((m & (InputEvent.BUTTON2_DOWN_MASK|InputEvent.BUTTON2_MASK)) != 0) {
s.append("Button2+");
}
if ((m & (InputEvent.BUTTON3_DOWN_MASK|InputEvent.BUTTON3_MASK)) != 0) {
s.append("Button3+");
}
switch (key.getKeyEventType()) {
case KeyEvent.KEY_TYPED:
s.append(key.getKeyChar() + " ");
break;
case KeyEvent.KEY_PRESSED:
case KeyEvent.KEY_RELEASED:
s.append(getKeyText(key.getKeyCode()) + " ");
break;
default:
s.append("unknown-event-type ");
break;
}
return s.toString();
}
public static String getKeyText(int keyCode) {
if (keyCode >= KeyEvent.VK_0 && keyCode <= KeyEvent.VK_9 ||
keyCode >= KeyEvent.VK_A && keyCode <= KeyEvent.VK_Z) {
return String.valueOf((char)keyCode);
}
switch(keyCode) {
case KeyEvent.VK_COMMA: return "COMMA";
case KeyEvent.VK_PERIOD: return "PERIOD";
case KeyEvent.VK_SLASH: return "SLASH";
case KeyEvent.VK_SEMICOLON: return "SEMICOLON";
case KeyEvent.VK_EQUALS: return "EQUALS";
case KeyEvent.VK_OPEN_BRACKET: return "OPEN_BRACKET";
case KeyEvent.VK_BACK_SLASH: return "BACK_SLASH";
case KeyEvent.VK_CLOSE_BRACKET: return "CLOSE_BRACKET";
case KeyEvent.VK_ENTER: return "ENTER";
case KeyEvent.VK_BACK_SPACE: return "BACK_SPACE";
case KeyEvent.VK_TAB: return "TAB";
case KeyEvent.VK_CANCEL: return "CANCEL";
case KeyEvent.VK_CLEAR: return "CLEAR";
case KeyEvent.VK_SHIFT: return "SHIFT";
case KeyEvent.VK_CONTROL: return "CONTROL";
case KeyEvent.VK_ALT: return "ALT";
case KeyEvent.VK_PAUSE: return "PAUSE";
case KeyEvent.VK_CAPS_LOCK: return "CAPS_LOCK";
case KeyEvent.VK_ESCAPE: return "ESCAPE";
case KeyEvent.VK_SPACE: return "SPACE";
case KeyEvent.VK_PAGE_UP: return "PAGE_UP";
case KeyEvent.VK_PAGE_DOWN: return "PAGE_DOWN";
case KeyEvent.VK_END: return "END";
case KeyEvent.VK_HOME: return "HOME";
case KeyEvent.VK_LEFT: return "LEFT";
case KeyEvent.VK_UP: return "UP";
case KeyEvent.VK_RIGHT: return "RIGHT";
case KeyEvent.VK_DOWN: return "DOWN";
// numpad numeric keys handled below
case KeyEvent.VK_MULTIPLY: return "MULTIPLY";
case KeyEvent.VK_ADD: return "ADD";
case KeyEvent.VK_SEPARATOR: return "SEPARATOR";
case KeyEvent.VK_SUBTRACT: return "SUBTRACT";
case KeyEvent.VK_DECIMAL: return "DECIMAL";
case KeyEvent.VK_DIVIDE: return "DIVIDE";
case KeyEvent.VK_DELETE: return "DELETE";
case KeyEvent.VK_NUM_LOCK: return "NUM_LOCK";
case KeyEvent.VK_SCROLL_LOCK: return "SCROLL_LOCK";
case KeyEvent.VK_F1: return "F1";
case KeyEvent.VK_F2: return "F2";
case KeyEvent.VK_F3: return "F3";
case KeyEvent.VK_F4: return "F4";
case KeyEvent.VK_F5: return "F5";
case KeyEvent.VK_F6: return "F6";
case KeyEvent.VK_F7: return "F7";
case KeyEvent.VK_F8: return "F8";
case KeyEvent.VK_F9: return "F9";
case KeyEvent.VK_F10: return "F10";
case KeyEvent.VK_F11: return "F11";
case KeyEvent.VK_F12: return "F12";
case KeyEvent.VK_F13: return "F13";
case KeyEvent.VK_F14: return "F14";
case KeyEvent.VK_F15: return "F15";
case KeyEvent.VK_F16: return "F16";
case KeyEvent.VK_F17: return "F17";
case KeyEvent.VK_F18: return "F18";
case KeyEvent.VK_F19: return "F19";
case KeyEvent.VK_F20: return "F20";
case KeyEvent.VK_F21: return "F21";
case KeyEvent.VK_F22: return "F22";
case KeyEvent.VK_F23: return "F23";
case KeyEvent.VK_F24: return "F24";
case KeyEvent.VK_PRINTSCREEN: return "PRINTSCREEN";
case KeyEvent.VK_INSERT: return "INSERT";
case KeyEvent.VK_HELP: return "HELP";
case KeyEvent.VK_META: return "META";
case KeyEvent.VK_BACK_QUOTE: return "BACK_QUOTE";
case KeyEvent.VK_QUOTE: return "QUOTE";
case KeyEvent.VK_KP_UP: return "KP_UP";
case KeyEvent.VK_KP_DOWN: return "KP_DOWN";
case KeyEvent.VK_KP_LEFT: return "KP_LEFT";
case KeyEvent.VK_KP_RIGHT: return "KP_RIGHT";
case KeyEvent.VK_DEAD_GRAVE: return "DEAD_GRAVE";
case KeyEvent.VK_DEAD_ACUTE: return "DEAD_ACUTE";
case KeyEvent.VK_DEAD_CIRCUMFLEX: return "DEAD_CIRCUMFLEX";
case KeyEvent.VK_DEAD_TILDE: return "DEAD_TILDE";
case KeyEvent.VK_DEAD_MACRON: return "DEAD_MACRON";
case KeyEvent.VK_DEAD_BREVE: return "DEAD_BREVE";
case KeyEvent.VK_DEAD_ABOVEDOT: return "DEAD_ABOVEDOT";
case KeyEvent.VK_DEAD_DIAERESIS: return "DEAD_DIAERESIS";
case KeyEvent.VK_DEAD_ABOVERING: return "DEAD_ABOVERING";
case KeyEvent.VK_DEAD_DOUBLEACUTE: return "DEAD_DOUBLEACUTE";
case KeyEvent.VK_DEAD_CARON: return "DEAD_CARON";
case KeyEvent.VK_DEAD_CEDILLA: return "DEAD_CEDILLA";
case KeyEvent.VK_DEAD_OGONEK: return "DEAD_OGONEK";
case KeyEvent.VK_DEAD_IOTA: return "DEAD_IOTA";
case KeyEvent.VK_DEAD_VOICED_SOUND: return "DEAD_VOICED_SOUND";
case KeyEvent.VK_DEAD_SEMIVOICED_SOUND: return "DEAD_SEMIVOICED_SOUND";
case KeyEvent.VK_AMPERSAND: return "AMPERSAND";
case KeyEvent.VK_ASTERISK: return "ASTERISK";
case KeyEvent.VK_QUOTEDBL: return "QUOTEDBL";
case KeyEvent.VK_LESS: return "LESS";
case KeyEvent.VK_GREATER: return "GREATER";
case KeyEvent.VK_BRACELEFT: return "BRACELEFT";
case KeyEvent.VK_BRACERIGHT: return "BRACERIGHT";
case KeyEvent.VK_AT: return "AT";
case KeyEvent.VK_COLON: return "COLON";
case KeyEvent.VK_CIRCUMFLEX: return "CIRCUMFLEX";
case KeyEvent.VK_DOLLAR: return "DOLLAR";
case KeyEvent.VK_EURO_SIGN: return "EURO_SIGN";
case KeyEvent.VK_EXCLAMATION_MARK: return "EXCLAMATION_MARK";
case KeyEvent.VK_INVERTED_EXCLAMATION_MARK:
return "INVERTED_EXCLAMATION_MARK";
case KeyEvent.VK_LEFT_PARENTHESIS: return "LEFT_PARENTHESIS";
case KeyEvent.VK_NUMBER_SIGN: return "NUMBER_SIGN";
case KeyEvent.VK_MINUS: return "MINUS";
case KeyEvent.VK_PLUS: return "PLUS";
case KeyEvent.VK_RIGHT_PARENTHESIS: return "RIGHT_PARENTHESIS";
case KeyEvent.VK_UNDERSCORE: return "UNDERSCORE";
case KeyEvent.VK_FINAL: return "FINAL";
case KeyEvent.VK_CONVERT: return "CONVERT";
case KeyEvent.VK_NONCONVERT: return "NONCONVERT";
case KeyEvent.VK_ACCEPT: return "ACCEPT";
case KeyEvent.VK_MODECHANGE: return "MODECHANGE";
case KeyEvent.VK_KANA: return "KANA";
case KeyEvent.VK_KANJI: return "KANJI";
case KeyEvent.VK_ALPHANUMERIC: return "ALPHANUMERIC";
case KeyEvent.VK_KATAKANA: return "KATAKANA";
case KeyEvent.VK_HIRAGANA: return "HIRAGANA";
case KeyEvent.VK_FULL_WIDTH: return "FULL_WIDTH";
case KeyEvent.VK_HALF_WIDTH: return "HALF_WIDTH";
case KeyEvent.VK_ROMAN_CHARACTERS: return "ROMAN_CHARACTERS";
case KeyEvent.VK_ALL_CANDIDATES: return "ALL_CANDIDATES";
case KeyEvent.VK_PREVIOUS_CANDIDATE: return "PREVIOUS_CANDIDATE";
case KeyEvent.VK_CODE_INPUT: return "CODE_INPUT";
case KeyEvent.VK_JAPANESE_KATAKANA: return "JAPANESE_KATAKANA";
case KeyEvent.VK_JAPANESE_HIRAGANA: return "JAPANESE_HIRAGANA";
case KeyEvent.VK_JAPANESE_ROMAN: return "JAPANESE_ROMAN";
case KeyEvent.VK_KANA_LOCK: return "KANA_LOCK";
case KeyEvent.VK_INPUT_METHOD_ON_OFF: return "INPUT_METHOD_ON_OFF";
case KeyEvent.VK_AGAIN: return "AGAIN";
case KeyEvent.VK_UNDO: return "UNDO";
case KeyEvent.VK_COPY: return "COPY";
case KeyEvent.VK_PASTE: return "PASTE";
case KeyEvent.VK_CUT: return "CUT";
case KeyEvent.VK_FIND: return "FIND";
case KeyEvent.VK_PROPS: return "PROPS";
case KeyEvent.VK_STOP: return "STOP";
case KeyEvent.VK_COMPOSE: return "COMPOSE";
case KeyEvent.VK_ALT_GRAPH: return "ALT_GRAPH";
}
if (keyCode >= KeyEvent.VK_NUMPAD0 && keyCode <= KeyEvent.VK_NUMPAD9) {
char c = (char)(keyCode - KeyEvent.VK_NUMPAD0 + "0");
return "NUMPAD"+c;
}
return "unknown(0x" + Integer.toString(keyCode, 16) + ")";
}
}
List keystrokes in the WHEN_ANCESTOR_OF_FOCUSED_COMPONENT input map of the component
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.Action;
import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) throws Exception {
JButton component = new JButton();
InputMap map = component.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
list(map, map.keys());
list(map, map.allKeys());
}
static void list(InputMap map, KeyStroke[] keys) {
if (keys == null) {
return;
}
for (int i = 0; i < keys.length; i++) {
keyStroke2String(keys[i]);
while (map.get(keys[i]) == null) {
map = map.getParent();
}
if (map.get(keys[i]) instanceof String) {
String actionName = (String) map.get(keys[i]);
} else {
Action action = (Action) map.get(keys[i]);
}
}
}
static void keyStroke2String(KeyStroke key) {
int m = key.getModifiers();
if ((m & (InputEvent.SHIFT_DOWN_MASK | InputEvent.SHIFT_MASK)) != 0) {
System.out.println("shift ");
}
if ((m & (InputEvent.CTRL_DOWN_MASK | InputEvent.CTRL_MASK)) != 0) {
System.out.println("ctrl ");
}
if ((m & (InputEvent.META_DOWN_MASK | InputEvent.META_MASK)) != 0) {
System.out.println("meta ");
}
if ((m & (InputEvent.ALT_DOWN_MASK | InputEvent.ALT_MASK)) != 0) {
System.out.println("alt ");
}
if ((m & (InputEvent.BUTTON1_DOWN_MASK | InputEvent.BUTTON1_MASK)) != 0) {
System.out.println("button1 ");
}
if ((m & (InputEvent.BUTTON2_DOWN_MASK | InputEvent.BUTTON2_MASK)) != 0) {
System.out.println("button2 ");
}
if ((m & (InputEvent.BUTTON3_DOWN_MASK | InputEvent.BUTTON3_MASK)) != 0) {
System.out.println("button3 ");
}
switch (key.getKeyEventType()) {
case KeyEvent.KEY_TYPED:
System.out.println("typed ");
System.out.println(key.getKeyChar() + " ");
break;
case KeyEvent.KEY_PRESSED:
System.out.println("pressed ");
System.out.println(getKeyText(key.getKeyCode()) + " ");
break;
case KeyEvent.KEY_RELEASED:
System.out.println("released ");
System.out.println(getKeyText(key.getKeyCode()) + " ");
break;
default:
System.out.println("unknown-event-type ");
break;
}
}
static String getKeyText(int keyCode) {
if (keyCode >= KeyEvent.VK_0 && keyCode <= KeyEvent.VK_9 || keyCode >= KeyEvent.VK_A
&& keyCode <= KeyEvent.VK_Z) {
return String.valueOf((char) keyCode);
}
switch (keyCode) {
case KeyEvent.VK_COMMA:
return "COMMA";
case KeyEvent.VK_PERIOD:
return "PERIOD";
case KeyEvent.VK_SLASH:
return "SLASH";
case KeyEvent.VK_SEMICOLON:
return "SEMICOLON";
case KeyEvent.VK_EQUALS:
return "EQUALS";
case KeyEvent.VK_OPEN_BRACKET:
return "OPEN_BRACKET";
case KeyEvent.VK_BACK_SLASH:
return "BACK_SLASH";
case KeyEvent.VK_CLOSE_BRACKET:
return "CLOSE_BRACKET";
case KeyEvent.VK_ENTER:
return "ENTER";
case KeyEvent.VK_BACK_SPACE:
return "BACK_SPACE";
case KeyEvent.VK_TAB:
return "TAB";
case KeyEvent.VK_CANCEL:
return "CANCEL";
case KeyEvent.VK_CLEAR:
return "CLEAR";
case KeyEvent.VK_SHIFT:
return "SHIFT";
case KeyEvent.VK_CONTROL:
return "CONTROL";
case KeyEvent.VK_ALT:
return "ALT";
case KeyEvent.VK_PAUSE:
return "PAUSE";
case KeyEvent.VK_CAPS_LOCK:
return "CAPS_LOCK";
case KeyEvent.VK_ESCAPE:
return "ESCAPE";
case KeyEvent.VK_SPACE:
return "SPACE";
case KeyEvent.VK_PAGE_UP:
return "PAGE_UP";
case KeyEvent.VK_PAGE_DOWN:
return "PAGE_DOWN";
case KeyEvent.VK_END:
return "END";
case KeyEvent.VK_HOME:
return "HOME";
case KeyEvent.VK_LEFT:
return "LEFT";
case KeyEvent.VK_UP:
return "UP";
case KeyEvent.VK_RIGHT:
return "RIGHT";
case KeyEvent.VK_DOWN:
return "DOWN";
case KeyEvent.VK_MULTIPLY:
return "MULTIPLY";
case KeyEvent.VK_ADD:
return "ADD";
case KeyEvent.VK_SEPARATOR:
return "SEPARATOR";
case KeyEvent.VK_SUBTRACT:
return "SUBTRACT";
case KeyEvent.VK_DECIMAL:
return "DECIMAL";
case KeyEvent.VK_DIVIDE:
return "DIVIDE";
case KeyEvent.VK_DELETE:
return "DELETE";
case KeyEvent.VK_NUM_LOCK:
return "NUM_LOCK";
case KeyEvent.VK_SCROLL_LOCK:
return "SCROLL_LOCK";
case KeyEvent.VK_F1:
return "F1";
case KeyEvent.VK_F2:
return "F2";
case KeyEvent.VK_F3:
return "F3";
case KeyEvent.VK_F4:
return "F4";
case KeyEvent.VK_F5:
return "F5";
case KeyEvent.VK_F6:
return "F6";
case KeyEvent.VK_F7:
return "F7";
case KeyEvent.VK_F8:
return "F8";
case KeyEvent.VK_F9:
return "F9";
case KeyEvent.VK_F10:
return "F10";
case KeyEvent.VK_F11:
return "F11";
case KeyEvent.VK_F12:
return "F12";
case KeyEvent.VK_F13:
return "F13";
case KeyEvent.VK_F14:
return "F14";
case KeyEvent.VK_F15:
return "F15";
case KeyEvent.VK_F16:
return "F16";
case KeyEvent.VK_F17:
return "F17";
case KeyEvent.VK_F18:
return "F18";
case KeyEvent.VK_F19:
return "F19";
case KeyEvent.VK_F20:
return "F20";
case KeyEvent.VK_F21:
return "F21";
case KeyEvent.VK_F22:
return "F22";
case KeyEvent.VK_F23:
return "F23";
case KeyEvent.VK_F24:
return "F24";
case KeyEvent.VK_PRINTSCREEN:
return "PRINTSCREEN";
case KeyEvent.VK_INSERT:
return "INSERT";
case KeyEvent.VK_HELP:
return "HELP";
case KeyEvent.VK_META:
return "META";
case KeyEvent.VK_BACK_QUOTE:
return "BACK_QUOTE";
case KeyEvent.VK_QUOTE:
return "QUOTE";
case KeyEvent.VK_KP_UP:
return "KP_UP";
case KeyEvent.VK_KP_DOWN:
return "KP_DOWN";
case KeyEvent.VK_KP_LEFT:
return "KP_LEFT";
case KeyEvent.VK_KP_RIGHT:
return "KP_RIGHT";
case KeyEvent.VK_DEAD_GRAVE:
return "DEAD_GRAVE";
case KeyEvent.VK_DEAD_ACUTE:
return "DEAD_ACUTE";
case KeyEvent.VK_DEAD_CIRCUMFLEX:
return "DEAD_CIRCUMFLEX";
case KeyEvent.VK_DEAD_TILDE:
return "DEAD_TILDE";
case KeyEvent.VK_DEAD_MACRON:
return "DEAD_MACRON";
case KeyEvent.VK_DEAD_BREVE:
return "DEAD_BREVE";
case KeyEvent.VK_DEAD_ABOVEDOT:
return "DEAD_ABOVEDOT";
case KeyEvent.VK_DEAD_DIAERESIS:
return "DEAD_DIAERESIS";
case KeyEvent.VK_DEAD_ABOVERING:
return "DEAD_ABOVERING";
case KeyEvent.VK_DEAD_DOUBLEACUTE:
return "DEAD_DOUBLEACUTE";
case KeyEvent.VK_DEAD_CARON:
return "DEAD_CARON";
case KeyEvent.VK_DEAD_CEDILLA:
return "DEAD_CEDILLA";
case KeyEvent.VK_DEAD_OGONEK:
return "DEAD_OGONEK";
case KeyEvent.VK_DEAD_IOTA:
return "DEAD_IOTA";
case KeyEvent.VK_DEAD_VOICED_SOUND:
return "DEAD_VOICED_SOUND";
case KeyEvent.VK_DEAD_SEMIVOICED_SOUND:
return "DEAD_SEMIVOICED_SOUND";
case KeyEvent.VK_AMPERSAND:
return "AMPERSAND";
case KeyEvent.VK_ASTERISK:
return "ASTERISK";
case KeyEvent.VK_QUOTEDBL:
return "QUOTEDBL";
case KeyEvent.VK_LESS:
return "LESS";
case KeyEvent.VK_GREATER:
return "GREATER";
case KeyEvent.VK_BRACELEFT:
return "BRACELEFT";
case KeyEvent.VK_BRACERIGHT:
return "BRACERIGHT";
case KeyEvent.VK_AT:
return "AT";
case KeyEvent.VK_COLON:
return "COLON";
case KeyEvent.VK_CIRCUMFLEX:
return "CIRCUMFLEX";
case KeyEvent.VK_DOLLAR:
return "DOLLAR";
case KeyEvent.VK_EURO_SIGN:
return "EURO_SIGN";
case KeyEvent.VK_EXCLAMATION_MARK:
return "EXCLAMATION_MARK";
case KeyEvent.VK_INVERTED_EXCLAMATION_MARK:
return "INVERTED_EXCLAMATION_MARK";
case KeyEvent.VK_LEFT_PARENTHESIS:
return "LEFT_PARENTHESIS";
case KeyEvent.VK_NUMBER_SIGN:
return "NUMBER_SIGN";
case KeyEvent.VK_MINUS:
return "MINUS";
case KeyEvent.VK_PLUS:
return "PLUS";
case KeyEvent.VK_RIGHT_PARENTHESIS:
return "RIGHT_PARENTHESIS";
case KeyEvent.VK_UNDERSCORE:
return "UNDERSCORE";
case KeyEvent.VK_FINAL:
return "FINAL";
case KeyEvent.VK_CONVERT:
return "CONVERT";
case KeyEvent.VK_NONCONVERT:
return "NONCONVERT";
case KeyEvent.VK_ACCEPT:
return "ACCEPT";
case KeyEvent.VK_MODECHANGE:
return "MODECHANGE";
case KeyEvent.VK_KANA:
return "KANA";
case KeyEvent.VK_KANJI:
return "KANJI";
case KeyEvent.VK_ALPHANUMERIC:
return "ALPHANUMERIC";
case KeyEvent.VK_KATAKANA:
return "KATAKANA";
case KeyEvent.VK_HIRAGANA:
return "HIRAGANA";
case KeyEvent.VK_FULL_WIDTH:
return "FULL_WIDTH";
case KeyEvent.VK_HALF_WIDTH:
return "HALF_WIDTH";
case KeyEvent.VK_ROMAN_CHARACTERS:
return "ROMAN_CHARACTERS";
case KeyEvent.VK_ALL_CANDIDATES:
return "ALL_CANDIDATES";
case KeyEvent.VK_PREVIOUS_CANDIDATE:
return "PREVIOUS_CANDIDATE";
case KeyEvent.VK_CODE_INPUT:
return "CODE_INPUT";
case KeyEvent.VK_JAPANESE_KATAKANA:
return "JAPANESE_KATAKANA";
case KeyEvent.VK_JAPANESE_HIRAGANA:
return "JAPANESE_HIRAGANA";
case KeyEvent.VK_JAPANESE_ROMAN:
return "JAPANESE_ROMAN";
case KeyEvent.VK_KANA_LOCK:
return "KANA_LOCK";
case KeyEvent.VK_INPUT_METHOD_ON_OFF:
return "INPUT_METHOD_ON_OFF";
case KeyEvent.VK_AGAIN:
return "AGAIN";
case KeyEvent.VK_UNDO:
return "UNDO";
case KeyEvent.VK_COPY:
return "COPY";
case KeyEvent.VK_PASTE:
return "PASTE";
case KeyEvent.VK_CUT:
return "CUT";
case KeyEvent.VK_FIND:
return "FIND";
case KeyEvent.VK_PROPS:
return "PROPS";
case KeyEvent.VK_STOP:
return "STOP";
case KeyEvent.VK_COMPOSE:
return "COMPOSE";
case KeyEvent.VK_ALT_GRAPH:
return "ALT_GRAPH";
}
if (keyCode >= KeyEvent.VK_NUMPAD0 && keyCode <= KeyEvent.VK_NUMPAD9) {
char c = (char) (keyCode - KeyEvent.VK_NUMPAD0 + "0");
return "NUMPAD" + c;
}
return "unknown(0x" + Integer.toString(keyCode, 16) + ")";
}
}
List keystrokes in the WHEN_IN_FOCUSED_WINDOW input map of the component
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.Action;
import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) throws Exception {
JButton component = new JButton("button");
InputMap map = component.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
list(map, map.keys());
list(map, map.allKeys());
}
static void list(InputMap map, KeyStroke[] keys) {
if (keys == null) {
return;
}
for (int i = 0; i < keys.length; i++) {
keyStroke2String(keys[i]);
while (map.get(keys[i]) == null) {
map = map.getParent();
}
if (map.get(keys[i]) instanceof String) {
String actionName = (String) map.get(keys[i]);
} else {
Action action = (Action) map.get(keys[i]);
}
}
}
static void keyStroke2String(KeyStroke key) {
int m = key.getModifiers();
if ((m & (InputEvent.SHIFT_DOWN_MASK | InputEvent.SHIFT_MASK)) != 0) {
System.out.println("shift ");
}
if ((m & (InputEvent.CTRL_DOWN_MASK | InputEvent.CTRL_MASK)) != 0) {
System.out.println("ctrl ");
}
if ((m & (InputEvent.META_DOWN_MASK | InputEvent.META_MASK)) != 0) {
System.out.println("meta ");
}
if ((m & (InputEvent.ALT_DOWN_MASK | InputEvent.ALT_MASK)) != 0) {
System.out.println("alt ");
}
if ((m & (InputEvent.BUTTON1_DOWN_MASK | InputEvent.BUTTON1_MASK)) != 0) {
System.out.println("button1 ");
}
if ((m & (InputEvent.BUTTON2_DOWN_MASK | InputEvent.BUTTON2_MASK)) != 0) {
System.out.println("button2 ");
}
if ((m & (InputEvent.BUTTON3_DOWN_MASK | InputEvent.BUTTON3_MASK)) != 0) {
System.out.println("button3 ");
}
switch (key.getKeyEventType()) {
case KeyEvent.KEY_TYPED:
System.out.println("typed ");
System.out.println(key.getKeyChar() + " ");
break;
case KeyEvent.KEY_PRESSED:
System.out.println("pressed ");
System.out.println(getKeyText(key.getKeyCode()) + " ");
break;
case KeyEvent.KEY_RELEASED:
System.out.println("released ");
System.out.println(getKeyText(key.getKeyCode()) + " ");
break;
default:
System.out.println("unknown-event-type ");
break;
}
}
static String getKeyText(int keyCode) {
if (keyCode >= KeyEvent.VK_0 && keyCode <= KeyEvent.VK_9 || keyCode >= KeyEvent.VK_A
&& keyCode <= KeyEvent.VK_Z) {
return String.valueOf((char) keyCode);
}
switch (keyCode) {
case KeyEvent.VK_COMMA:
return "COMMA";
case KeyEvent.VK_PERIOD:
return "PERIOD";
case KeyEvent.VK_SLASH:
return "SLASH";
case KeyEvent.VK_SEMICOLON:
return "SEMICOLON";
case KeyEvent.VK_EQUALS:
return "EQUALS";
case KeyEvent.VK_OPEN_BRACKET:
return "OPEN_BRACKET";
case KeyEvent.VK_BACK_SLASH:
return "BACK_SLASH";
case KeyEvent.VK_CLOSE_BRACKET:
return "CLOSE_BRACKET";
case KeyEvent.VK_ENTER:
return "ENTER";
case KeyEvent.VK_BACK_SPACE:
return "BACK_SPACE";
case KeyEvent.VK_TAB:
return "TAB";
case KeyEvent.VK_CANCEL:
return "CANCEL";
case KeyEvent.VK_CLEAR:
return "CLEAR";
case KeyEvent.VK_SHIFT:
return "SHIFT";
case KeyEvent.VK_CONTROL:
return "CONTROL";
case KeyEvent.VK_ALT:
return "ALT";
case KeyEvent.VK_PAUSE:
return "PAUSE";
case KeyEvent.VK_CAPS_LOCK:
return "CAPS_LOCK";
case KeyEvent.VK_ESCAPE:
return "ESCAPE";
case KeyEvent.VK_SPACE:
return "SPACE";
case KeyEvent.VK_PAGE_UP:
return "PAGE_UP";
case KeyEvent.VK_PAGE_DOWN:
return "PAGE_DOWN";
case KeyEvent.VK_END:
return "END";
case KeyEvent.VK_HOME:
return "HOME";
case KeyEvent.VK_LEFT:
return "LEFT";
case KeyEvent.VK_UP:
return "UP";
case KeyEvent.VK_RIGHT:
return "RIGHT";
case KeyEvent.VK_DOWN:
return "DOWN";
case KeyEvent.VK_MULTIPLY:
return "MULTIPLY";
case KeyEvent.VK_ADD:
return "ADD";
case KeyEvent.VK_SEPARATOR:
return "SEPARATOR";
case KeyEvent.VK_SUBTRACT:
return "SUBTRACT";
case KeyEvent.VK_DECIMAL:
return "DECIMAL";
case KeyEvent.VK_DIVIDE:
return "DIVIDE";
case KeyEvent.VK_DELETE:
return "DELETE";
case KeyEvent.VK_NUM_LOCK:
return "NUM_LOCK";
case KeyEvent.VK_SCROLL_LOCK:
return "SCROLL_LOCK";
case KeyEvent.VK_F1:
return "F1";
case KeyEvent.VK_F2:
return "F2";
case KeyEvent.VK_F3:
return "F3";
case KeyEvent.VK_F4:
return "F4";
case KeyEvent.VK_F5:
return "F5";
case KeyEvent.VK_F6:
return "F6";
case KeyEvent.VK_F7:
return "F7";
case KeyEvent.VK_F8:
return "F8";
case KeyEvent.VK_F9:
return "F9";
case KeyEvent.VK_F10:
return "F10";
case KeyEvent.VK_F11:
return "F11";
case KeyEvent.VK_F12:
return "F12";
case KeyEvent.VK_F13:
return "F13";
case KeyEvent.VK_F14:
return "F14";
case KeyEvent.VK_F15:
return "F15";
case KeyEvent.VK_F16:
return "F16";
case KeyEvent.VK_F17:
return "F17";
case KeyEvent.VK_F18:
return "F18";
case KeyEvent.VK_F19:
return "F19";
case KeyEvent.VK_F20:
return "F20";
case KeyEvent.VK_F21:
return "F21";
case KeyEvent.VK_F22:
return "F22";
case KeyEvent.VK_F23:
return "F23";
case KeyEvent.VK_F24:
return "F24";
case KeyEvent.VK_PRINTSCREEN:
return "PRINTSCREEN";
case KeyEvent.VK_INSERT:
return "INSERT";
case KeyEvent.VK_HELP:
return "HELP";
case KeyEvent.VK_META:
return "META";
case KeyEvent.VK_BACK_QUOTE:
return "BACK_QUOTE";
case KeyEvent.VK_QUOTE:
return "QUOTE";
case KeyEvent.VK_KP_UP:
return "KP_UP";
case KeyEvent.VK_KP_DOWN:
return "KP_DOWN";
case KeyEvent.VK_KP_LEFT:
return "KP_LEFT";
case KeyEvent.VK_KP_RIGHT:
return "KP_RIGHT";
case KeyEvent.VK_DEAD_GRAVE:
return "DEAD_GRAVE";
case KeyEvent.VK_DEAD_ACUTE:
return "DEAD_ACUTE";
case KeyEvent.VK_DEAD_CIRCUMFLEX:
return "DEAD_CIRCUMFLEX";
case KeyEvent.VK_DEAD_TILDE:
return "DEAD_TILDE";
case KeyEvent.VK_DEAD_MACRON:
return "DEAD_MACRON";
case KeyEvent.VK_DEAD_BREVE:
return "DEAD_BREVE";
case KeyEvent.VK_DEAD_ABOVEDOT:
return "DEAD_ABOVEDOT";
case KeyEvent.VK_DEAD_DIAERESIS:
return "DEAD_DIAERESIS";
case KeyEvent.VK_DEAD_ABOVERING:
return "DEAD_ABOVERING";
case KeyEvent.VK_DEAD_DOUBLEACUTE:
return "DEAD_DOUBLEACUTE";
case KeyEvent.VK_DEAD_CARON:
return "DEAD_CARON";
case KeyEvent.VK_DEAD_CEDILLA:
return "DEAD_CEDILLA";
case KeyEvent.VK_DEAD_OGONEK:
return "DEAD_OGONEK";
case KeyEvent.VK_DEAD_IOTA:
return "DEAD_IOTA";
case KeyEvent.VK_DEAD_VOICED_SOUND:
return "DEAD_VOICED_SOUND";
case KeyEvent.VK_DEAD_SEMIVOICED_SOUND:
return "DEAD_SEMIVOICED_SOUND";
case KeyEvent.VK_AMPERSAND:
return "AMPERSAND";
case KeyEvent.VK_ASTERISK:
return "ASTERISK";
case KeyEvent.VK_QUOTEDBL:
return "QUOTEDBL";
case KeyEvent.VK_LESS:
return "LESS";
case KeyEvent.VK_GREATER:
return "GREATER";
case KeyEvent.VK_BRACELEFT:
return "BRACELEFT";
case KeyEvent.VK_BRACERIGHT:
return "BRACERIGHT";
case KeyEvent.VK_AT:
return "AT";
case KeyEvent.VK_COLON:
return "COLON";
case KeyEvent.VK_CIRCUMFLEX:
return "CIRCUMFLEX";
case KeyEvent.VK_DOLLAR:
return "DOLLAR";
case KeyEvent.VK_EURO_SIGN:
return "EURO_SIGN";
case KeyEvent.VK_EXCLAMATION_MARK:
return "EXCLAMATION_MARK";
case KeyEvent.VK_INVERTED_EXCLAMATION_MARK:
return "INVERTED_EXCLAMATION_MARK";
case KeyEvent.VK_LEFT_PARENTHESIS:
return "LEFT_PARENTHESIS";
case KeyEvent.VK_NUMBER_SIGN:
return "NUMBER_SIGN";
case KeyEvent.VK_MINUS:
return "MINUS";
case KeyEvent.VK_PLUS:
return "PLUS";
case KeyEvent.VK_RIGHT_PARENTHESIS:
return "RIGHT_PARENTHESIS";
case KeyEvent.VK_UNDERSCORE:
return "UNDERSCORE";
case KeyEvent.VK_FINAL:
return "FINAL";
case KeyEvent.VK_CONVERT:
return "CONVERT";
case KeyEvent.VK_NONCONVERT:
return "NONCONVERT";
case KeyEvent.VK_ACCEPT:
return "ACCEPT";
case KeyEvent.VK_MODECHANGE:
return "MODECHANGE";
case KeyEvent.VK_KANA:
return "KANA";
case KeyEvent.VK_KANJI:
return "KANJI";
case KeyEvent.VK_ALPHANUMERIC:
return "ALPHANUMERIC";
case KeyEvent.VK_KATAKANA:
return "KATAKANA";
case KeyEvent.VK_HIRAGANA:
return "HIRAGANA";
case KeyEvent.VK_FULL_WIDTH:
return "FULL_WIDTH";
case KeyEvent.VK_HALF_WIDTH:
return "HALF_WIDTH";
case KeyEvent.VK_ROMAN_CHARACTERS:
return "ROMAN_CHARACTERS";
case KeyEvent.VK_ALL_CANDIDATES:
return "ALL_CANDIDATES";
case KeyEvent.VK_PREVIOUS_CANDIDATE:
return "PREVIOUS_CANDIDATE";
case KeyEvent.VK_CODE_INPUT:
return "CODE_INPUT";
case KeyEvent.VK_JAPANESE_KATAKANA:
return "JAPANESE_KATAKANA";
case KeyEvent.VK_JAPANESE_HIRAGANA:
return "JAPANESE_HIRAGANA";
case KeyEvent.VK_JAPANESE_ROMAN:
return "JAPANESE_ROMAN";
case KeyEvent.VK_KANA_LOCK:
return "KANA_LOCK";
case KeyEvent.VK_INPUT_METHOD_ON_OFF:
return "INPUT_METHOD_ON_OFF";
case KeyEvent.VK_AGAIN:
return "AGAIN";
case KeyEvent.VK_UNDO:
return "UNDO";
case KeyEvent.VK_COPY:
return "COPY";
case KeyEvent.VK_PASTE:
return "PASTE";
case KeyEvent.VK_CUT:
return "CUT";
case KeyEvent.VK_FIND:
return "FIND";
case KeyEvent.VK_PROPS:
return "PROPS";
case KeyEvent.VK_STOP:
return "STOP";
case KeyEvent.VK_COMPOSE:
return "COMPOSE";
case KeyEvent.VK_ALT_GRAPH:
return "ALT_GRAPH";
}
if (keyCode >= KeyEvent.VK_NUMPAD0 && keyCode <= KeyEvent.VK_NUMPAD9) {
char c = (char) (keyCode - KeyEvent.VK_NUMPAD0 + "0");
return "NUMPAD" + c;
}
return "unknown(0x" + Integer.toString(keyCode, 16) + ")";
}
}
Override $ key
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) {
JTextField component = new JTextField(10);
component.getInputMap(JComponent.WHEN_FOCUSED).put(
KeyStroke.getKeyStroke("typed $"), "actionName");
JFrame f = new JFrame();
f.add(component);
f.setSize(300, 300);
f.setVisible(true);
}
}
Overriding - key
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) {
JTextField component = new JTextField(10);
component.getInputMap(JComponent.WHEN_FOCUSED).put(
KeyStroke.getKeyStroke("typed -"), "actionName");
JFrame f = new JFrame();
f.add(component);
f.setSize(300, 300);
f.setVisible(true);
}
}
Overriding space key
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) {
JTextField component = new JTextField(10);
component.getInputMap(JComponent.WHEN_FOCUSED).put(KeyStroke.getKeyStroke(new Character(" "), 0), "actionName");
JFrame f = new JFrame();
f.add(component);
f.setSize(300, 300);
f.setVisible(true);
}
}
Registering a KeyStroke
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ActionMap;
import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.KeyStroke;
public class KeyStrokeSample {
public static void main(String[] a) {
String ACTION_KEY = "theAction";
JFrame frame = new JFrame("KeyStroke Sample");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JButton buttonA = new JButton("Press "control alt 7"");
Action actionListener = new AbstractAction() {
public void actionPerformed(ActionEvent actionEvent) {
JButton source = (JButton) actionEvent.getSource();
System.out.println(source.getText());
}
};
KeyStroke controlAlt7 = KeyStroke.getKeyStroke("control alt 7");
InputMap inputMap = buttonA.getInputMap();
inputMap.put(controlAlt7, ACTION_KEY);
ActionMap actionMap = buttonA.getActionMap();
actionMap.put(ACTION_KEY, actionListener);
frame.add(buttonA);
frame.setSize(400, 200);
frame.setVisible(true);
}
}
Remove all backward focus traversal keys for the application
import java.awt.AWTKeyStroke;
import java.awt.KeyboardFocusManager;
import java.util.HashSet;
import java.util.Set;
public class Main {
public static void main(String[] argv) throws Exception {
Set<AWTKeyStroke> set = new HashSet<AWTKeyStroke>();
KeyboardFocusManager.getCurrentKeyboardFocusManager().setDefaultFocusTraversalKeys(
KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, set);
}
}
Remove all forward focus traversal keys for the application
import java.awt.AWTKeyStroke;
import java.awt.KeyboardFocusManager;
import java.util.HashSet;
import java.util.Set;
public class Main {
public static void main(String[] argv) throws Exception {
Set<AWTKeyStroke> set = new HashSet<AWTKeyStroke>();
KeyboardFocusManager.getCurrentKeyboardFocusManager().setDefaultFocusTraversalKeys(
KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set);
}
}
Set<AWTKeyStroke> java.awt.Container.getFocusTraversalKeys(int id)
import java.awt.AWTKeyStroke;
import java.awt.KeyboardFocusManager;
import java.util.HashSet;
import java.util.Set;
import javax.swing.JButton;
import javax.swing.KeyStroke;
public class Main {
public static void main(String[] argv) throws Exception {
JButton component = new JButton("a");
Set<AWTKeyStroke> set = new HashSet<AWTKeyStroke>(component
.getFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS));
set.add(KeyStroke.getKeyStroke("F2"));
component.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, set);
}
}
