home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Programming Languages Suite
/
ProgLangD.iso
/
VCAFE.3.0A
/
JFC.bin
/
MotifDesktopPaneUI.java
< prev
next >
Wrap
Text File
|
1998-06-30
|
5KB
|
162 lines
/*
* @(#)MotifDesktopPaneUI.java 1.13 98/02/06
*
* Copyright (c) 1997 Sun Microsystems, Inc. All Rights Reserved.
*
* This software is the confidential and proprietary information of Sun
* Microsystems, Inc. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Sun.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
* SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
* SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
* THIS SOFTWARE OR ITS DERIVATIVES.
*
*/
package com.sun.java.swing.plaf.motif;
import com.sun.java.swing.*;
import java.awt.Rectangle;
import java.awt.Dimension;
import java.awt.Insets;
import java.awt.Color;
import java.awt.Graphics;
import com.sun.java.swing.plaf.*;
import java.io.Serializable;
/**
* <p>
* Warning: serialized objects of this class will not be compatible with
* future swing releases. The current serialization support is appropriate
* for short term storage or RMI between Swing1.0 applications. It will
* not be possible to load serialized Swing1.0 objects with future releases
* of Swing. The JDK1.2 release of Swing will be the compatibility
* baseline for the serialized form of Swing objects.
*
* @version 1.13 02/06/98
* @author David Kloba
*/
public class MotifDesktopPaneUI extends com.sun.java.swing.plaf.basic.BasicDesktopPaneUI
{
/// DesktopPaneUI methods
public static ComponentUI createUI(JComponent d) {
return new MotifDesktopPaneUI();
}
public MotifDesktopPaneUI() {
}
protected void installDesktopManager() {
if(desktop.getDesktopManager() == null) {
desktopManager = new MotifDesktopManager();
desktop.setDesktopManager(desktopManager);
}
}
public Insets getInsets(JComponent c) {return new Insets(0,0,0,0);}
////////////////////////////////////////////////////////////////////////////////////
/// DragPane class
////////////////////////////////////////////////////////////////////////////////////
private class DragPane extends JComponent {
public void paint(Graphics g) {
g.setColor(Color.darkGray);
g.drawRect(0, 0, getWidth()-1, getHeight()-1);
}
};
////////////////////////////////////////////////////////////////////////////////////
/// MotifDesktopManager class
////////////////////////////////////////////////////////////////////////////////////
private class MotifDesktopManager extends DefaultDesktopManager implements Serializable {
JComponent dragPane;
boolean usingDragPane;
// PENDING(klobad) this should be optimized
public void setBoundsForFrame(JComponent f, int newX, int newY,
int newWidth, int newHeight) {
if(!usingDragPane) {
boolean didResize;
didResize = (f.getWidth() != newWidth || f.getHeight() != newHeight);
Rectangle r = f.getBounds();
f.setBounds(newX, newY, newWidth, newHeight);
SwingUtilities.computeUnion(newX, newY, newWidth, newHeight, r);
f.getParent().repaint(r.x, r.y, r.width, r.height);
if(didResize) {
f.validate();
}
} else {
Rectangle r = dragPane.getBounds();
dragPane.setBounds(newX, newY, newWidth, newHeight);
SwingUtilities.computeUnion(newX, newY, newWidth, newHeight, r);
dragPane.getParent().repaint(r.x, r.y, r.width, r.height);
}
}
public void beginDraggingFrame(JComponent f) {
usingDragPane = false;
if(f.getParent() instanceof JLayeredPane) {
if(dragPane == null)
dragPane = new DragPane();
JLayeredPane p = (JLayeredPane)f.getParent();
p.setLayer(dragPane, Integer.MAX_VALUE);
dragPane.setBounds(f.getX(), f.getY(), f.getWidth(), f.getHeight());
p.add(dragPane);
usingDragPane = true;
}
}
public void dragFrame(JComponent f, int newX, int newY) {
setBoundsForFrame(f, newX, newY, f.getWidth(), f.getHeight());
}
public void endDraggingFrame(JComponent f) {
if(usingDragPane) {
JLayeredPane p = (JLayeredPane)f.getParent();
p.remove(dragPane);
usingDragPane = false;
setBoundsForFrame(f, dragPane.getX(), dragPane.getY(),
dragPane.getWidth(), dragPane.getHeight());
}
}
public void beginResizingFrame(JComponent f, int direction) {
usingDragPane = false;
if(f.getParent() instanceof JLayeredPane) {
if(dragPane == null)
dragPane = new DragPane();
JLayeredPane p = (JLayeredPane)f.getParent();
p.setLayer(dragPane, Integer.MAX_VALUE);
dragPane.setBounds(f.getX(), f.getY(),
f.getWidth(), f.getHeight());
p.add(dragPane);
usingDragPane = true;
}
}
public void resizeFrame(JComponent f, int newX, int newY,
int newWidth, int newHeight) {
setBoundsForFrame(f, newX, newY, newWidth, newHeight);
}
public void endResizingFrame(JComponent f) {
if(usingDragPane) {
JLayeredPane p = (JLayeredPane)f.getParent();
p.remove(dragPane);
usingDragPane = false;
setBoundsForFrame(f, dragPane.getX(), dragPane.getY(),
dragPane.getWidth(), dragPane.getHeight());
}
}
}; /// END of MotifDesktopManager
}