Source for gnu.java.awt.peer.gtk.GtkButtonPeer

   1: /* GtkButtonPeer.java -- Implements ButtonPeer with GTK
   2:    Copyright (C) 1998, 1999, 2004, 2006  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package gnu.java.awt.peer.gtk;
  40: 
  41: import java.awt.Button;
  42: import java.awt.event.ActionEvent;
  43: import java.awt.peer.ButtonPeer;
  44: 
  45: // A composite widget.  GtkButtons have transparent backgrounds.  An
  46: // AWT Button is opaque.  To compensate, a GtkButtonPeer is a
  47: // GtkButton packed in a GtkEventBox.
  48: public class GtkButtonPeer extends GtkComponentPeer
  49:     implements ButtonPeer
  50: {
  51:   native void create (String label);
  52: 
  53:   public native void connectSignals ();
  54: 
  55:   /**
  56:    * Overridden to set Font of Label inside Button inside EventBox.
  57:    */
  58:   protected native void gtkWidgetModifyFont(String name, int style, int size);
  59:   native void gtkSetLabel (String label);
  60:   native void gtkWidgetSetForeground (int red, int green, int blue);
  61:   native void gtkWidgetSetBackground (int red, int green, int blue);
  62:   native void gtkActivate ();
  63:   native void gtkWidgetRequestFocus ();
  64:   native void setNativeBounds (int x, int y, int width, int height);
  65: 
  66:   // Because this is a composite widget, we need to retrieve the
  67:   // GtkButton's preferred dimensions, not the enclosing
  68:   // GtkEventBox's.
  69:   native void gtkWidgetGetPreferredDimensions (int[] dim);
  70: 
  71:   public GtkButtonPeer (Button b)
  72:   {
  73:     super (b);
  74:   }
  75: 
  76:   void create ()
  77:   {
  78:     create (((Button) awtComponent).getLabel ());
  79:   }
  80: 
  81:   public void setLabel (String label)
  82:   {
  83:     gtkSetLabel(label);
  84:   }
  85: 
  86:   void postActionEvent (int mods)
  87:   {
  88:     q().postEvent (new ActionEvent (awtWidget,
  89:                                     ActionEvent.ACTION_PERFORMED,
  90:                                     ((Button) awtComponent).getActionCommand (),
  91:                                     mods));
  92:   }
  93: }