| /* 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); |
| } |
| } |