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+/* GtkListPeer.java -- Implements ListPeer with GTK
+ Copyright (C) 1998, 1999, 2006 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.Dimension;
+import java.awt.FontMetrics;
+import java.awt.List;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseEvent;
+import java.awt.peer.ListPeer;
+
+public class GtkListPeer extends GtkComponentPeer
+ implements ListPeer
+{
+ void create ()
+ {
+ List list = (List) awtComponent;
+
+ create (list.getRows ());
+
+ setMultipleMode (list.isMultipleMode ());
+ }
+
+ native void create (int rows);
+ native void connectSignals ();
+
+ /**
+ * Overridden to set the Font of the text insode the gtk_scrolled_window.
+ */
+ protected native void gtkWidgetModifyFont (String name, int style, int size);
+
+ native void gtkWidgetRequestFocus ();
+
+ native void getSize (int rows, int visibleRows, int dims[]);
+
+ public GtkListPeer (List list)
+ {
+ super (list);
+
+ setMultipleMode (list.isMultipleMode ());
+
+ if (list.getItemCount () > 0)
+ append (list.getItems ());
+ }
+
+ native void append (String items[]);
+
+ public native void add (String item, int index);
+
+ public void addItem (String item, int index)
+ {
+ add (item, index);
+ }
+
+ public void clear ()
+ {
+ removeAll ();
+ }
+
+ public native void delItems (int start, int end);
+ public native void deselect (int index);
+
+ public Dimension getMinimumSize (int rows)
+ {
+ return minimumSize (rows);
+ }
+
+ public Dimension getPreferredSize (int rows)
+ {
+ return preferredSize (rows);
+ }
+
+ public native int[] getSelectedIndexes ();
+ public native void makeVisible (int index);
+
+ public Dimension minimumSize (int rows)
+ {
+ int dims[] = new int[2];
+
+ int visibleRows = ((List) awtComponent).getRows();
+ getSize (rows, visibleRows, dims);
+ return new Dimension (dims[0], dims[1]);
+ }
+
+ public Dimension preferredSize (int rows)
+ {
+ // getSize returns the minimum size of the list.
+ // The width is too narrow for a typical list.
+ List l = (List) awtComponent;
+ Dimension d = getMinimumSize();
+ FontMetrics fm = l.getFontMetrics(l.getFont());
+ return new Dimension(d.width + fm.stringWidth("1234567890"), d.height);
+ }
+
+ public void removeAll ()
+ {
+ delItems (0, -1);
+ }
+
+ public native void select (int index);
+ public native void setMultipleMode (boolean b);
+
+ public void setMultipleSelections (boolean b)
+ {
+ setMultipleMode (b);
+ }
+
+ public void handleEvent (AWTEvent e)
+ {
+ if (e.getID () == MouseEvent.MOUSE_CLICKED && isEnabled ())
+ {
+ // Only generate the ActionEvent on the second click of a
+ // multiple click.
+ MouseEvent me = (MouseEvent) e;
+ if (!me.isConsumed ()
+ && (me.getModifiersEx () & MouseEvent.BUTTON1_DOWN_MASK) != 0
+ && me.getClickCount() == 2)
+ {
+ String selectedItem = ((List) awtComponent).getSelectedItem ();
+
+ // Double-click only generates an Action event if
+ // something is selected.
+ if (selectedItem != null)
+ postActionEvent (((List) awtComponent).getSelectedItem (),
+ me.getModifiersEx ());
+ }
+ }
+
+ if (e.getID () == KeyEvent.KEY_PRESSED)
+ {
+ KeyEvent ke = (KeyEvent) e;
+ if (!ke.isConsumed () && ke.getKeyCode () == KeyEvent.VK_ENTER)
+ {
+ String selectedItem = ((List) awtComponent).getSelectedItem ();
+
+ // Enter only generates an Action event if something is
+ // selected.
+ if (selectedItem != null)
+ postActionEvent (selectedItem, ke.getModifiersEx ());
+ }
+ }
+
+ super.handleEvent (e);
+ }
+
+ protected void postItemEvent (int item, int stateChange)
+ {
+ postItemEvent (new Integer (item), stateChange);
+ }
+}