diff options
Diffstat (limited to 'libjava/classpath/gnu/java/awt/peer/gtk/GtkCanvasPeer.java')
-rw-r--r-- | libjava/classpath/gnu/java/awt/peer/gtk/GtkCanvasPeer.java | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/awt/peer/gtk/GtkCanvasPeer.java b/libjava/classpath/gnu/java/awt/peer/gtk/GtkCanvasPeer.java new file mode 100644 index 00000000000..dc21761209e --- /dev/null +++ b/libjava/classpath/gnu/java/awt/peer/gtk/GtkCanvasPeer.java @@ -0,0 +1,100 @@ +/* GtkCanvasPeer.java + 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.AWTEvent; +import java.awt.Canvas; +import java.awt.Dimension; +import java.awt.Graphics; +import java.awt.event.PaintEvent; +import java.awt.peer.CanvasPeer; + +public class GtkCanvasPeer extends GtkComponentPeer implements CanvasPeer +{ + native void create (); + + public GtkCanvasPeer (Canvas c) + { + super (c); + } + + public Graphics getGraphics () + { + if (GtkToolkit.useGraphics2D ()) + return new GdkGraphics2D (this); + else + return new GdkGraphics (this); + } + + public void handleEvent (AWTEvent event) + { + int id = event.getID(); + + switch (id) + { + case PaintEvent.PAINT: + case PaintEvent.UPDATE: + { + try + { + Graphics g = getGraphics (); + g.setClip (((PaintEvent)event).getUpdateRect()); + + if (id == PaintEvent.PAINT) + awtComponent.paint (g); + else + awtComponent.update (g); + + g.dispose (); + } + catch (InternalError e) + { + System.err.println (e); + } + } + break; + } + } + + /* Preferred size for a drawing widget is always what the user requested */ + public Dimension getPreferredSize () + { + return awtComponent.getSize (); + } +} |