AWT/Swing merge from GNU Classpath.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56147 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 209 insertions, 0 deletions

diff --git a/libjava/javax/swing/JRootPane.java b/libjava/javax/swing/JRootPane.java
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+++ b/libjava/javax/swing/JRootPane.java
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+/* JRootPane.java --
+   Copyright (C) 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing;
+
+import java.awt.*;
+import java.awt.event.*;
+
+import javax.accessibility.AccessibleContext;
+import javax.accessibility.AccessibleRole;
+import javax.accessibility.AccessibleState;
+import javax.accessibility.AccessibleStateSet;
+
+/**
+ * This class is where JComponents are added to.
+ * Unlike awt where you could just say frame.add(),
+ * with swing you need to say frame.getRootPane() 
+ * (which delivers an instance of this class)
+ * and add your components to that.
+ *
+ * It is implemented by several 'layers' (pane() should be read as plane()) 
+ * each on top of the others
+ * where you can add components to. 
+ * (getContentPane(), getGlassPane(), getLayeredPane())
+ *
+ * @author Ronald Veldema (rveldema@cs.vu.nl)
+ */
+public class JRootPane extends JComponent
+{
+    //  The class used to obtain the accessible role for this object.
+    static protected class AccessibleJRootPane
+    {
+    }
+  
+    //A custom layout manager  
+    static protected class RootLayout extends BorderLayout
+    {
+      public Dimension preferredLayoutSize ( Container c )
+	{	    
+	  Dimension p = super.preferredLayoutSize(c);
+	  System.out.println("              PREF-SIZE from RootLayout = " + p);
+	  return p;
+	}        
+    }
+  
+    /***********************************************************/
+
+  
+    //The glass pane that overlays the menu bar and content pane, so it can intercept mouse movements and such.
+    protected  Component glassPane;
+  
+    //The layered pane that manages the menu bar and content pane.
+    protected  JLayeredPane layeredPane;
+  
+    // The menu bar.
+    protected  JMenuBar menuBar;
+  
+    protected Container contentPane;
+
+    /********************************************************/
+
+    public String getUIClassID()
+    {	return "JPanel";    }
+
+    
+    void setJMenuBar(JMenuBar m)
+    {  menuBar = m; }
+
+    JMenuBar getJMenuBar()
+    {  return menuBar; }
+    
+
+    public Container getContentPane()
+    {
+	if (contentPane == null)
+	    {
+		setContentPane(createContentPane());
+	    }
+	return contentPane;
+    }
+
+    public void setContentPane(Container p)
+    {
+	contentPane = p;    
+	getLayeredPane().add(contentPane, 0);
+    }
+
+    protected void addImpl(Component comp,
+			  Object constraints,
+			  int index)
+    {
+	super.addImpl(comp, constraints, index);
+	//System.out.println("don't do that !");
+    } 
+
+    public Component getGlassPane() 
+    {
+	if (glassPane == null)
+	    setGlassPane(createGlassPane());
+	return glassPane;    
+    }
+
+    public void setGlassPane(Component f)
+    {
+	if (glassPane != null)
+	    remove(glassPane);
+
+	glassPane = f; 
+
+	glassPane.setVisible(false);
+	add(glassPane, 0);
+    }
+
+    public JLayeredPane getLayeredPane() 
+    {
+	if (layeredPane == null)
+	    setLayeredPane(createLayeredPane());
+	return layeredPane;    
+    }
+    public void setLayeredPane(JLayeredPane f)
+    {
+	if (layeredPane != null)
+	    remove(layeredPane);
+	
+	layeredPane = f; 
+	add(f, -1);
+    }
+    
+
+    /********************************************************/
+
+    JRootPane()
+    {
+	setLayout(createRootLayout());
+	
+	getGlassPane();
+	getLayeredPane();
+	getContentPane();
+
+	setDoubleBuffered(true);
+	updateUI();
+    }
+
+    protected LayoutManager createRootLayout() {
+        return new RootLayout();
+    } 
+
+    JComponent createContentPane()
+    {
+	JPanel p = new JPanel();
+	p.setName(this.getName()+".contentPane");
+	p.setLayout(new BorderLayout());
+	//	p.setVisible(true);
+
+	System.out.println("Created ContentPane: " + p);
+	return p;
+    }
+
+    Component createGlassPane()
+    {
+	JPanel p = new JPanel();
+	p.setName(this.getName()+".glassPane");
+	p.setLayout(new BorderLayout());
+	p.setVisible(false);
+	
+	System.out.println("created the glasspane: "+p);
+	return p;
+    }
+
+    JLayeredPane createLayeredPane()
+    {
+	JLayeredPane l = new JLayeredPane();
+	return l;
+    }    
+}