1 /* GtkListPeer.java -- Implements ListPeer with GTK
2 Copyright (C) 1998, 1999, 2006 Free Software Foundation, Inc.
4 This file is part of GNU Classpath.
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)
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.
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
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
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. */
39 package gnu.java.awt.peer.gtk;
41 import java.awt.AWTEvent;
42 import java.awt.Dimension;
43 import java.awt.FontMetrics;
45 import java.awt.event.KeyEvent;
46 import java.awt.event.MouseEvent;
47 import java.awt.peer.ListPeer;
49 public class GtkListPeer extends GtkComponentPeer
54 List list = (List) awtComponent;
56 create (list.getRows ());
58 setMultipleMode (list.isMultipleMode ());
61 native void create (int rows);
62 native void connectSignals ();
65 * Overridden to set the Font of the text insode the gtk_scrolled_window.
67 protected native void gtkWidgetModifyFont (String name, int style, int size);
69 native void gtkWidgetRequestFocus ();
71 native void getSize (int rows, int visibleRows, int dims[]);
73 public GtkListPeer (List list)
77 setMultipleMode (list.isMultipleMode ());
79 if (list.getItemCount () > 0)
80 append (list.getItems ());
83 native void append (String items[]);
85 public native void add (String item, int index);
87 public void addItem (String item, int index)
97 public native void delItems (int start, int end);
98 public native void deselect (int index);
100 public Dimension getMinimumSize (int rows)
102 return minimumSize (rows);
105 public Dimension getPreferredSize (int rows)
107 return preferredSize (rows);
110 public native int[] getSelectedIndexes ();
111 public native void makeVisible (int index);
113 public Dimension minimumSize (int rows)
115 int dims[] = new int[2];
117 int visibleRows = ((List) awtComponent).getRows();
118 getSize (rows, visibleRows, dims);
119 return new Dimension (dims[0], dims[1]);
122 public Dimension preferredSize (int rows)
124 // getSize returns the minimum size of the list.
125 // The width is too narrow for a typical list.
126 List l = (List) awtComponent;
127 Dimension d = getMinimumSize();
128 FontMetrics fm = l.getFontMetrics(l.getFont());
129 return new Dimension(d.width + fm.stringWidth("1234567890"), d.height);
132 public void removeAll ()
137 public native void select (int index);
138 public native void setMultipleMode (boolean b);
140 public void setMultipleSelections (boolean b)
145 public void handleEvent (AWTEvent e)
147 if (e.getID () == MouseEvent.MOUSE_CLICKED && isEnabled ())
149 // Only generate the ActionEvent on the second click of a
151 MouseEvent me = (MouseEvent) e;
152 if (!me.isConsumed ()
153 && (me.getModifiersEx () & MouseEvent.BUTTON1_DOWN_MASK) != 0
154 && me.getClickCount() == 2)
156 String selectedItem = ((List) awtComponent).getSelectedItem ();
158 // Double-click only generates an Action event if
159 // something is selected.
160 if (selectedItem != null)
161 postActionEvent (((List) awtComponent).getSelectedItem (),
162 me.getModifiersEx ());
166 if (e.getID () == KeyEvent.KEY_PRESSED)
168 KeyEvent ke = (KeyEvent) e;
169 if (!ke.isConsumed () && ke.getKeyCode () == KeyEvent.VK_ENTER)
171 String selectedItem = ((List) awtComponent).getSelectedItem ();
173 // Enter only generates an Action event if something is
175 if (selectedItem != null)
176 postActionEvent (selectedItem, ke.getModifiersEx ());
180 super.handleEvent (e);
183 protected void postItemEvent (int item, int stateChange)
185 postItemEvent (new Integer (item), stateChange);