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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@102074 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 130 insertions, 0 deletions

diff --git a/libjava/classpath/gnu/java/awt/peer/gtk/GtkChoicePeer.java b/libjava/classpath/gnu/java/awt/peer/gtk/GtkChoicePeer.java
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+/* GtkChoicePeer.java -- Implements ChoicePeer 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.Choice;
+import java.awt.event.ItemEvent;
+import java.awt.peer.ChoicePeer;
+
+public class GtkChoicePeer extends GtkComponentPeer
+  implements ChoicePeer
+{
+  public GtkChoicePeer (Choice c)
+  {
+    super (c);
+
+    int count = c.getItemCount ();
+    if (count > 0)
+      {
+	String items[] = new String[count];
+	for (int i = 0; i < count; i++)
+	  items[i] = c.getItem (i);
+	  
+	append (items);
+      }
+
+    int selected = c.getSelectedIndex();
+    if (selected >= 0)
+      select(selected);
+  }
+
+  native void create ();
+
+  native void append (String items[]);
+  native int nativeGetSelected ();
+  native void nativeAdd (String item, int index);
+  native void nativeRemove (int index);
+  native void nativeRemoveAll ();
+
+  native void connectSignals ();
+
+  public native void select (int position);
+ 
+  public void add (String item, int index)
+  {
+    int before = nativeGetSelected();
+    
+    nativeAdd (item, index);
+    
+    /* Generate an ItemEvent if we added the first one or
+       if we inserted at or before the currently selected item. */
+    if ((before < 0) || (before >= index))
+      {
+        // Must set our state before notifying listeners
+	((Choice) awtComponent).select (((Choice) awtComponent).getItem (0));
+        postItemEvent (((Choice) awtComponent).getItem (0), ItemEvent.SELECTED);
+      }
+  }
+
+  public void remove (int index)
+  {
+    int before = nativeGetSelected();
+    int after;
+    
+    nativeRemove (index);
+    after = nativeGetSelected();
+    
+    /* Generate an ItemEvent if we are removing the currently selected item
+       and there are at least one item left. */
+    if ((before == index) && (after >= 0))
+      {
+        // Must set our state before notifying listeners
+	((Choice) awtComponent).select (((Choice) awtComponent).getItem (0));
+        postItemEvent (((Choice) awtComponent).getItem (0), ItemEvent.SELECTED);
+      }
+  }
+
+  public void removeAll ()
+  {
+    nativeRemoveAll();
+  }
+  
+  public void addItem (String item, int position)
+  {
+    add (item, position);
+  }
+
+  protected void postChoiceItemEvent (String label, int stateChange)
+  {
+    // Must set our state before notifying listeners
+    if (stateChange == ItemEvent.SELECTED)
+      ((Choice) awtComponent).select (label);
+    postItemEvent (label, stateChange);
+  }
+}