| /* |
| * Copyright (c) 1996, 2007, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package sun.awt.windows; |
| |
| import java.awt.*; |
| import java.awt.peer.*; |
| import java.awt.event.ItemEvent; |
| import java.awt.event.WindowEvent; |
| import java.awt.event.WindowListener; |
| import java.awt.event.WindowAdapter; |
| import sun.awt.SunToolkit; |
| |
| class WChoicePeer extends WComponentPeer implements ChoicePeer { |
| |
| // WComponentPeer overrides |
| |
| public Dimension getMinimumSize() { |
| FontMetrics fm = getFontMetrics(((Choice)target).getFont()); |
| Choice c = (Choice)target; |
| int w = 0; |
| for (int i = c.getItemCount() ; i-- > 0 ;) { |
| w = Math.max(fm.stringWidth(c.getItem(i)), w); |
| } |
| return new Dimension(28 + w, Math.max(fm.getHeight() + 6, 15)); |
| } |
| public boolean isFocusable() { |
| return true; |
| } |
| |
| // ChoicePeer implementation |
| |
| public native void select(int index); |
| |
| public void add(String item, int index) { |
| addItem(item, index); |
| } |
| |
| public boolean shouldClearRectBeforePaint() { |
| return false; |
| } |
| |
| public native void removeAll(); |
| public native void remove(int index); |
| |
| /** |
| * DEPRECATED, but for now, called by add(String, int). |
| */ |
| public void addItem(String item, int index) { |
| addItems(new String[] {item}, index); |
| } |
| public native void addItems(String[] items, int index); |
| |
| public synchronized native void reshape(int x, int y, int width, int height); |
| |
| private WindowListener windowListener; |
| |
| // Toolkit & peer internals |
| |
| WChoicePeer(Choice target) { |
| super(target); |
| } |
| |
| native void create(WComponentPeer parent); |
| |
| void initialize() { |
| Choice opt = (Choice)target; |
| int itemCount = opt.getItemCount(); |
| if (itemCount > 0) { |
| String[] items = new String[itemCount]; |
| for (int i=0; i < itemCount; i++) { |
| items[i] = opt.getItem(i); |
| } |
| addItems(items, 0); |
| if (opt.getSelectedIndex() >= 0) { |
| select(opt.getSelectedIndex()); |
| } |
| } |
| |
| Window parentWindow = SunToolkit.getContainingWindow((Component)target); |
| if (parentWindow != null) { |
| WWindowPeer wpeer = (WWindowPeer)parentWindow.getPeer(); |
| if (wpeer != null) { |
| windowListener = new WindowAdapter() { |
| public void windowIconified(WindowEvent e) { |
| closeList(); |
| } |
| public void windowClosing(WindowEvent e) { |
| closeList(); |
| } |
| }; |
| wpeer.addWindowListener(windowListener); |
| } |
| } |
| super.initialize(); |
| } |
| |
| protected void disposeImpl() { |
| // TODO: we should somehow reset the listener when the choice |
| // is moved to another toplevel without destroying its peer. |
| Window parentWindow = SunToolkit.getContainingWindow((Component)target); |
| if (parentWindow != null) { |
| WWindowPeer wpeer = (WWindowPeer)parentWindow.getPeer(); |
| if (wpeer != null) { |
| wpeer.removeWindowListener(windowListener); |
| } |
| } |
| super.disposeImpl(); |
| } |
| |
| // native callbacks |
| |
| void handleAction(final int index) { |
| final Choice c = (Choice)target; |
| WToolkit.executeOnEventHandlerThread(c, new Runnable() { |
| public void run() { |
| c.select(index); |
| postEvent(new ItemEvent(c, ItemEvent.ITEM_STATE_CHANGED, |
| c.getItem(index), ItemEvent.SELECTED)); |
| } |
| }); |
| } |
| |
| int getDropDownHeight() { |
| Choice c = (Choice)target; |
| FontMetrics fm = getFontMetrics(c.getFont()); |
| int maxItems = Math.min(c.getItemCount(), 8); |
| return fm.getHeight() * maxItems; |
| } |
| |
| /** |
| * DEPRECATED |
| */ |
| public Dimension minimumSize() { |
| return getMinimumSize(); |
| } |
| |
| native void closeList(); |
| } |