Initial revision

From-SVN: r102074

libjava/classpath/gnu/java/awt/peer/gtk/GtkContainerPeer.java

@@ -0,0 +1,156 @@
+/* GtkContainerPeer.java -- Implements ContainerPeer with GTK
+   Copyright (C) 1998, 1999 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., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 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 gnu.java.awt.peer.gtk;
+
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.Font;
+import java.awt.Graphics;
+import java.awt.Insets;
+import java.awt.Window;
+import java.awt.peer.ComponentPeer;
+import java.awt.peer.ContainerPeer;
+
+public class GtkContainerPeer extends GtkComponentPeer
+  implements ContainerPeer
+{
+  Container c;
+  boolean isValidating;
+
+  public GtkContainerPeer(Container c)
+  {
+    super (c);
+    this.c = c;
+  }
+
+  public void beginValidate ()
+  {
+    isValidating = true;
+  }
+
+  public void endValidate ()
+  {
+    Component parent = awtComponent.getParent ();
+
+    // Only set our parent on the GTK side if our parent on the AWT
+    // side is not showing.  Otherwise the gtk peer will be shown
+    // before we've had a chance to position and size it properly.
+    if (parent != null && parent.isShowing ())
+      {
+        Component[] components = ((Container) awtComponent).getComponents ();
+        int ncomponents = components.length;
+
+        for (int i = 0; i < ncomponents; i++)
+          {
+            ComponentPeer peer = components[i].getPeer ();
+
+            // Skip lightweight peers.
+            if (peer instanceof GtkComponentPeer)
+              ((GtkComponentPeer) peer).setParentAndBounds ();
+          }
+
+        // GTK windows don't have parents.
+        if (!(awtComponent instanceof Window))
+          setParentAndBounds ();
+      }
+
+    isValidating = false;
+  }
+
+  public Insets getInsets() 
+  {
+    return insets;
+  }
+
+  public Insets insets() 
+  {
+    return getInsets ();
+  }
+
+  public void setBounds (int x, int y, int width, int height)
+  {
+    super.setBounds (x, y, width, height);
+  }
+
+  public void setFont(Font f)
+  {
+    super.setFont(f);
+    Component[] components = ((Container) awtComponent).getComponents();
+    for (int i = 0; i < components.length; i++)
+      {
+        if (components[i].isLightweight ())
+          components[i].setFont (f);
+        else
+          {
+            GtkComponentPeer peer = (GtkComponentPeer) components[i].getPeer();
+            if (peer != null && ! peer.awtComponent.isFontSet())
+              peer.setFont(f);
+          }
+      }
+  }
+
+  public Graphics getGraphics ()
+  {
+    return super.getGraphics();
+  }
+
+  public void beginLayout () { }
+  public void endLayout () { }
+  public boolean isPaintPending () { return false; }
+
+  public void setBackground (Color c)
+  {
+    super.setBackground(c);
+  
+    Object components[] = ((Container) awtComponent).getComponents();
+    for (int i = 0; i < components.length; i++)
+      {
+        Component comp = (Component) components[i];
+
+        // If the child's background has not been explicitly set yet,
+        // it should inherit this container's background. This makes the
+        // child component appear as if it has a transparent background.
+        // Note that we do not alter the background property of the child,
+        // but only repaint the child with the parent's background color.
+        if (!comp.isBackgroundSet() && comp.getPeer() != null)
+          comp.getPeer().setBackground(c);
+      }
+  }
+}