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| List keystrokes in the WHEN_ANCESTOR_OF_FOCUSED_COMPONENT input map of the component |
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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) + ")";
}
}
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