1 files changed, 113 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/awt/peer/gtk/GtkScrollPanePeer.java b/libjava/classpath/gnu/java/awt/peer/gtk/GtkScrollPanePeer.java
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index 00000000000..69f8b494625
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+++ b/libjava/classpath/gnu/java/awt/peer/gtk/GtkScrollPanePeer.java
@@ -0,0 +1,113 @@
+/* GtkScrollPanePeer.java -- Implements ScrollPanePeer with GTK
+   Copyright (C) 1998, 1999, 2005  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.Adjustable;
+import java.awt.Dimension;
+import java.awt.ScrollPane;
+import java.awt.peer.ScrollPanePeer;
+
+public class GtkScrollPanePeer extends GtkContainerPeer
+  implements ScrollPanePeer
+{
+  native void create (int width, int height);
+
+  void create ()
+  {
+    create (awtComponent.getWidth (), awtComponent.getHeight ());
+  }
+
+  // native void gtkScrolledWindowSetScrollPosition(int x, int y);
+  native void gtkScrolledWindowSetHScrollIncrement (int u);
+  native void gtkScrolledWindowSetVScrollIncrement (int u);
+
+  public GtkScrollPanePeer (ScrollPane sp)
+  {
+    super (sp);
+
+    setPolicy (sp.getScrollbarDisplayPolicy ());
+  }
+
+  native void setPolicy (int policy);
+  public void childResized (int width, int height)
+  {
+    int dim[] = new int[2];
+
+    gtkWidgetGetDimensions (dim);
+
+    // If the child is in this range, GTK adds both scrollbars, but
+    // the AWT doesn't.  So set the peer's scroll policy to
+    // GTK_POLICY_NEVER.
+    if ((width > dim[0] - getVScrollbarWidth ()
+	 && width <= dim[0])
+	&& (height > dim[1] - getHScrollbarHeight ()
+	    && height <= dim[1]))
+      setPolicy (ScrollPane.SCROLLBARS_NEVER);
+    else
+      setPolicy (((ScrollPane) awtComponent).getScrollbarDisplayPolicy ());
+  }
+
+  public native int getHScrollbarHeight();
+  public native int getVScrollbarWidth();
+  public native void setScrollPosition(int x, int y);
+
+  public Dimension getPreferredSize ()
+  {
+    return awtComponent.getSize();
+  }
+
+  public void setUnitIncrement (Adjustable adj, int u)
+  {
+    if (adj.getOrientation()==Adjustable.HORIZONTAL)
+      gtkScrolledWindowSetHScrollIncrement (u);
+    else
+      gtkScrolledWindowSetVScrollIncrement (u);
+  }
+
+  public void setValue (Adjustable adj, int v)
+  {
+//      System.out.println("SPP: setVal: "+adj+":"+v);
+//      Point p=myScrollPane.getScrollPosition ();
+//      if (adj.getOrientation()==Adjustable.HORIZONTAL)
+//        gtkScrolledWindowSetScrollPosition (v,p.y);
+//      else
+//        gtkScrolledWindowSetScrollPosition (p.x,v);
+//      adj.setValue(v);
+  }
+}