我想創建一個JFrame有兩個specifal特點:同時從最小化狀態最大化閃爍的JFrame
- 的JFrame應該不會搶焦點。
- 當JFrame創建或從最小化狀態變爲最大化時,它應該在Windows欄中閃爍,直到用戶將焦點賦予它爲止。 (如在ICQ客戶端中那樣)。
有誰知道第二個要求是如何實現的嗎?
一點自我解釋的例子:
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
public class JFrameTest {
private static JFrame childFrame;
public static Container getParentContentPane() {
JPanel panel = new JPanel();
JButton button = new JButton("Create\\Restore child frame");
button.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
createOrRestoreChildFrame();
}
});
panel.add(button);
return panel;
}
private static void createOrRestoreChildFrame() {
if (childFrame == null) {
childFrame = new JFrame("Child Frame");
childFrame.setLocation(200, 200);
childFrame.add(new JLabel("Child Frame"));
childFrame.pack();
setChildFrameVisible();
} else {
setChildFrameVisible();
}
}
private static void setChildFrameVisible() {
childFrame.setFocusableWindowState(false);
childFrame.setVisible(true);
flashInWindowsBar(childFrame);
childFrame.toFront();
childFrame.setFocusableWindowState(true);
}
/**
* Should Make child frame flash in Windows bar.
* Currently, it does not work for me.
* Could anybody help me to fix this please?)
*/
private static void flashInWindowsBar(JFrame childFrame) {
childFrame.setState(JFrame.ICONIFIED);
childFrame.toFront();
}
private static void createAndShowGUI() {
JFrame parentFrame = new JFrame("JFrame Demo");
parentFrame.setLocation(100, 100);
parentFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
parentFrame.setContentPane(getParentContentPane());
parentFrame.pack();
parentFrame.setVisible(true);
}
public static void main(String[] args) {
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
}
謝謝!
嘗試http://stackoverflow.com/questions/489255/using-swing-how-can-i-flash-the-windows-taskbar – 2010-11-30 10:15:37