推荐编码方法(java) - 编程入门网
作者 佚名技术
来源 NET编程
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发布时间 2012-06-25
| e){ display.evnt[Display.COMPONENT] = "Component shown"; repaint(); } } class FL implements FocusListener { public void focusGained(FocusEvent e) { display.evnt[Display.FOCUS] = "FOCUS gained"; repaint(); } public void focusLost(FocusEvent e) { display.evnt[Display.FOCUS] = "FOCUS lost"; repaint(); } } class KL implements KeyListener { public void keyPressed(KeyEvent e) { display.evnt[Display.KEY] = "KEY pressed: "; showCode(e); } public void keyReleased(KeyEvent e) { display.evnt[Display.KEY] = "KEY released: "; showCode(e); } public void keyTyped(KeyEvent e) { display.evnt[Display.KEY] = "KEY typed: "; showCode(e); } void showCode(KeyEvent e) { int code = e.getKeyCode(); display.evnt[Display.KEY] += KeyEvent.getKeyText(code); repaint(); } } class ML implements MouseListener { public void mouseClicked(MouseEvent e) { requestFocus(); // Get FOCUS on click display.evnt[Display.MOUSE] = "MOUSE clicked"; showMouse(e); } public void mousePressed(MouseEvent e) { display.evnt[Display.MOUSE] = "MOUSE pressed"; showMouse(e); } public void mouseReleased(MouseEvent e) { display.evnt[Display.MOUSE] = "MOUSE released"; showMouse(e); } public void mouseEntered(MouseEvent e) { display.evnt[Display.MOUSE] = "MOUSE entered"; showMouse(e); } public void mouseExited(MouseEvent e) { display.evnt[Display.MOUSE] = "MOUSE exited"; showMouse(e); } void showMouse(MouseEvent e) { display.evnt[Display.MOUSE] += ", x = " + e.getX() + ", y = " + e.getY(); repaint(); } } class MML implements MouseMotionListener { public void mouseDragged(MouseEvent e) { display.evnt[Display.MOUSE_MOVE] = "MOUSE dragged"; showMouse(e); } public void mouseMoved(MouseEvent e) { display.evnt[Display.MOUSE_MOVE] = "MOUSE moved"; showMouse(e); } void showMouse(MouseEvent e) { display.evnt[Display.MOUSE_MOVE] += ", x = " + e.getX() + ", y = " + e.getY(); repaint(); } } } class MyButton extends Button { int clickCounter; String label = ""; public MyButton() { addActionListener(new AL()); } public void paint(Graphics g) { g.setColor(Color.green); Dimension s = getSize(); g.fillRect(0, 0, s.width, s.height); g.setColor(Color.black); g.drawRect(0, 0, s.width - 1, s.height - 1); drawLabel(g); } private void drawLabel(Graphics g) { FontMetrics fm = g.getFontMetrics(); int wi |
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