в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

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2010-05-31T15:34:17Z

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== Deiconifies a frame; the maximized bits are not affected. ==



<source lang="java">
import java.awt.Frame;
public class Main {
public static void main(String[] argv) throws Exception {
Frame frame = new Frame();
frame.setSize(300, 300);
frame.setVisible(true);
deiconify(frame);
}
public static void deiconify(Frame frame) {
int state = frame.getExtendedState();
// Clear the iconified bit
state &= ~Frame.ICONIFIED;
// Deiconify the frame
frame.setExtendedState(state);
}
}</source>



== Determining When a Component Has Been Made Visible, Moved, or Resized ==



<source lang="java">
import java.awt.ruponent;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.event.ruponentAdapter;
import java.awt.event.ruponentEvent;
import java.awt.event.ruponentListener;
import javax.swing.JFrame;
public class Main {
public static void main() {
ComponentListener listener = new ComponentAdapter() {
public void componentShown(ComponentEvent evt) {
Component c = (Component) evt.getSource();
System.out.println("Component is now visible");
}
public void componentHidden(ComponentEvent evt) {
Component c = (Component) evt.getSource();
System.out.println("Component is now hidden");
}
public void componentMoved(ComponentEvent evt) {
Component c = (Component) evt.getSource();
Point newLoc = c.getLocation();
System.out.println("Get new location");
}
public void componentResized(ComponentEvent evt) {
Component c = (Component) evt.getSource();
Dimension newSize = c.getSize();
System.out.println("Get new size");
}
};
JFrame frame = new JFrame();
frame.setSize(300, 300);
frame.addComponentListener(listener);
frame.setVisible(true);
}
}</source>



== Determining When a Frame or Window Is Iconized or Maximized ==



<source lang="java">
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowStateListener;
public class Main {
public static void main() {
Frame frame = new Frame();
WindowStateListener listener = new WindowAdapter() {
public void windowStateChanged(WindowEvent evt) {
int oldState = evt.getOldState();
int newState = evt.getNewState();
if ((oldState & Frame.ICONIFIED) == 0 && (newState & Frame.ICONIFIED) != 0) {
System.out.println("Frame was iconized");
} else if ((oldState & Frame.ICONIFIED) != 0 && (newState & Frame.ICONIFIED) == 0) {
System.out.println("Frame was deiconized");
}
if ((oldState & Frame.MAXIMIZED_BOTH) == 0 && (newState & Frame.MAXIMIZED_BOTH) != 0) {
System.out.println("Frame was maximized");
} else if ((oldState & Frame.MAXIMIZED_BOTH) != 0 && (newState & Frame.MAXIMIZED_BOTH) == 0) {
System.out.println("Frame was minimized");
}
}
};
frame.addWindowStateListener(listener);
frame.setVisible(true);
}
}</source>



== Determining When a Frame or Window Is Opened or Closed ==



<source lang="java">
import java.awt.Frame;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
public class Main {
public static void main() {
Frame frame = new Frame();
WindowListener listener = new WindowAdapter() {
public void windowOpened(WindowEvent evt) {
Frame frame = (Frame) evt.getSource();
System.out.println(frame.getTitle());
}
public void windowClosing(WindowEvent evt) {
Frame frame = (Frame) evt.getSource();
System.out.println(frame.getTitle());
}
public void windowClosed(WindowEvent evt) {
Frame frame = (Frame) evt.getSource();
System.out.println(frame.getTitle());
}
};
frame.addWindowListener(listener);
frame.setVisible(true);
}
}</source>



== Iconifies a frame; the maximized bits are not affected. ==



<source lang="java">
import java.awt.Frame;
public class Main {
public static void main() {
Frame frame = new Frame();
frame.setSize(300, 300);
frame.setVisible(true);
iconify(frame);
}
public static void iconify(Frame frame) {
int state = frame.getExtendedState();
// Set the iconified bit
state |= Frame.ICONIFIED;
// Iconify the frame
frame.setExtendedState(state);
}
}</source>



== Maximizes a frame; the iconified bit is not affected ==



<source lang="java">
import java.awt.Frame;
public class Main {
public static void main(String[] argv) throws Exception {
Frame frame = new Frame();
frame.setSize(300, 300);
frame.setVisible(true);
minimize(frame);
}
public static void minimize(Frame frame) {
int state = frame.getExtendedState();
// Clear the maximized bits
state &= ~Frame.MAXIMIZED_BOTH;
// Maximize the frame
frame.setExtendedState(state);
}
}</source>



== Setting the Bounds for a Maximized Frame ==



<source lang="java">
import java.awt.Frame;
import java.awt.Rectangle;
public class Main {
public static void main() {
Frame frame = new Frame();
Rectangle bounds = new Rectangle(20, 20, 200, 200);
frame.setMaximizedBounds(bounds);
frame.setVisible(true);
}
}</source>

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