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Java Example Program / Sample Source Code
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.KeyEventDispatcher;
import java.awt.KeyboardFocusManager;
import java.awt.TextField;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.HashMap;
import java.util.HashSet;
public class ListeningKeyEventsBeforeDelivery {
public HashSet<Component> comps = new HashSet<Component>();
public HashMap<Integer, Character> swaps = new HashMap<Integer, Character>();
public static void main(String[] args) {
Runnable r = new Runnable() {
public void run() {
Frame frame = new Frame();
TextField tf = new TextField();
frame.add(tf, BorderLayout.NORTH);
TextField tf2 = new TextField();
frame.add(tf2, BorderLayout.SOUTH);
ListeningKeyEventsBeforeDelivery med = new ListeningKeyEventsBeforeDelivery();
med.swaps.put(new Integer(KeyEvent.VK_F4), new Character(
'\u00bd'));
med.comps.add(tf);
KeyboardFocusManager.getCurrentKeyboardFocusManager()
.addKeyEventDispatcher(new KeyEventDispatcher() {
public boolean dispatchKeyEvent(KeyEvent e) {
// This example converts all typed keys to upper
// case
if (e.getID() == KeyEvent.KEY_TYPED) {
e.setKeyChar(Character.toUpperCase(e
.getKeyChar()));
}
// If the key should not be dispatched to the
// focused component, set discardEvent to true
boolean discardEvent = false;
return discardEvent;
}
});
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.pack();
frame.setVisible(true);
}
};
EventQueue.invokeLater(r);
}
} |
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AWTEventMulticaster
- How To Use AWTEventMulticaster
- add(ActionListener a, ActionListener b) In AWTEventMulticaster
- add(AdjustmentListener a, AdjustmentListener b) In AWTEventMulticaster
- add(ComponentListener a, ComponentListener b) In AWTEventMulticaster
- add(ContainerListener a, ContainerListener b) In AWTEventMulticaster
- add(FocusListener a, FocusListener b) In AWTEventMulticaster
- add(HierarchyBoundsListener a, HierarchyBoundsListener b) In AWTEventMulticaster
- add(HierarchyListener a, HierarchyListener b) In AWTEventMulticaster
- add(InputMethodListener a, InputMethodListener b) In AWTEventMulticaster
- add(ItemListener a, ItemListener b) In AWTEventMulticaster
- add(KeyListener a, KeyListener b) In AWTEventMulticaster
- add(MouseListener a, MouseListener b) In AWTEventMulticaster
- add(MouseMotionListener a, MouseMotionListener b) In AWTEventMulticaster
- add(MouseWheelListener a, MouseWheelListener b) In AWTEventMulticaster
- add(TextListener a, TextListener b) In AWTEventMulticaster
- add(WindowFocusListener a, WindowFocusListener b) In AWTEventMulticaster
- add(WindowListener a, WindowListener b) In AWTEventMulticaster
- add(WindowStateListener a, WindowStateListener b) In AWTEventMulticaster
- addInternal(EventListener a, EventListener b) In AWTEventMulticaster
- remove(ActionListener l, ActionListener oldl) In AWTEventMulticaster
- remove(AdjustmentListener l, AdjustmentListener oldl) In AWTEventMulticaster
- remove(ComponentListener l, ComponentListener oldl) In AWTEventMulticaster
- remove(ContainerListener l, ContainerListener oldl) In AWTEventMulticaster
- remove(EventListener oldl) In AWTEventMulticaster
- remove(FocusListener l, FocusListener oldl) In AWTEventMulticaster
- remove(HierarchyBoundsListener l, HierarchyBoundsListener oldl) In AWTEventMulticaster
- remove(HierarchyListener l, HierarchyListener oldl) In AWTEventMulticaster
- remove(InputMethodListener l, InputMethodListener oldl) In AWTEventMulticaster
- remove(ItemListener l, ItemListener oldl) In AWTEventMulticaster
- remove(KeyListener l, KeyListener oldl) In AWTEventMulticaster
- remove(MouseListener l, MouseListener oldl) In AWTEventMulticaster
- remove(MouseMotionListener l, MouseMotionListener oldl) In AWTEventMulticaster
- remove(MouseWheelListener l, MouseWheelListener oldl) In AWTEventMulticaster
- remove(TextListener l, TextListener oldl) In AWTEventMulticaster
- remove(WindowFocusListener l, WindowFocusListener oldl) In AWTEventMulticaster
- remove(WindowListener l, WindowListener oldl) In AWTEventMulticaster
- remove(WindowStateListener l, WindowStateListener oldl) In AWTEventMulticaster
- removeInternal(EventListener l, EventListener oldl) In AWTEventMulticaster
- save(ObjectOutputStream s, String k, EventListener l) In AWTEventMulticaster
- saveInternal(ObjectOutputStream s, String k) In AWTEventMulticaster
DefaultFocusTraversalPolicy
DefaultKeyboardFocusManager
Graphics
- clipRect(int x, int y, int width, int height) In Graphics
- drawArc(int x, int y, int width, int height, int startAngle, int arcAngle) In Graphics
- drawLine(int x1, int y1, int x2, int y2) In Graphics
- drawOval(int x, int y, int width, int height) In Graphics
- drawPolygon(int[] xPoints, int[] yPoints, int nPoints) In Graphics
- drawRect(int x, int y, int width, int height) In Graphics
- drawString(String str, int x, int y) In Graphics
- fillArc(int x, int y, int width, int height, int startAngle, int arcAngle) In Graphics
- fillOval(int x, int y, int width, int height) In Graphics
- fillPolygon(int[] xPoints, int[] yPoints, int nPoints) In Graphics
- fillRect(int x, int y, int width, int height) In Graphics
- drawImage(Image img, int x, int y, ImageObserver observer) In Graphics
- setColor(Java.awt.Color) In Graphics
- setPaintMode() In Graphics
- setXORMode(Java.awt.Color) In Graphics
- setFont(Java.awt.Font) In Graphics
GraphicsConfiguration
- Using GraphicsConfiguration
- createCompatibleImage(int width, int height) In GraphicsConfiguration
- createCompatibleImage(int width, int height, int transparency) In GraphicsConfiguration
- createCompatibleVolatileImage(int width, int height) In GraphicsConfiguration
- createCompatibleVolatileImage(int width, int height, ImageCapabilities caps) In GraphicsConfiguration
- createCompatibleVolatileImage(int width, int height, ImageCapabilities caps, int transparency) In GraphicsConfiguration
- createCompatibleVolatileImage(int width, int height, int transparency) In GraphicsConfiguration
- getBounds() In GraphicsConfiguration
- getBufferCapabilities() In GraphicsConfiguration
- getColorModel() In GraphicsConfiguration
- getColorModel(int transparency) In GraphicsConfiguration
- getDefaultTransform() In GraphicsConfiguration
- getDevice() In GraphicsConfiguration
- getImageCapabilities() In GraphicsConfiguration
- getNormalizingTransform() In GraphicsConfiguration
- isTranslucencyCapable() In GraphicsConfiguration
MediaTracker
- How To Use MediaTracker
- addImage(Image image, int id) In MediaTracker
- addImage(Image image, int id, int w, int h) In MediaTracker
- checkAll() In MediaTracker
- checkAll(boolean load) In MediaTracker
- checkID(int id) In MediaTracker
- checkID(int id, boolean load) In MediaTracker
- getErrorsAny() In MediaTracker
- getErrorsID(int id) In MediaTracker
- isErrorAny() In MediaTracker
- isErrorID(int id) In MediaTracker
- removeImage(Image image) In MediaTracker
- removeImage(Image image, int id) In MediaTracker
- removeImage(Image image, int id, int width, int height) In MediaTracker
- statusAll(boolean load) In MediaTracker
- statusID(int id, boolean load) In MediaTracker
- waitForAll() In MediaTracker
- waitForAll(long ms) In MediaTracker
- waitForID(int id) In MediaTracker
- waitForID(int id, long ms) In MediaTracker
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