| /* |
| * Copyright 1995-2003 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package sun.awt.motif; |
| |
| import java.awt.*; |
| import java.awt.peer.*; |
| import java.awt.event.ItemEvent; |
| |
| class MChoicePeer extends MComponentPeer implements ChoicePeer { |
| boolean inUpCall=false; |
| |
| native void create(MComponentPeer parent); |
| native void pReshape(int x, int y, int width, int height); |
| native void pSelect(int index, boolean init); |
| native void appendItems(String[] items); |
| |
| void initialize() { |
| Choice opt = (Choice)target; |
| int itemCount = opt.countItems(); |
| String[] items = new String[itemCount]; |
| for (int i=0; i < itemCount; i++) { |
| items[i] = opt.getItem(i); |
| } |
| if (itemCount > 0) { |
| appendItems(items); |
| pSelect(opt.getSelectedIndex(), true); |
| } |
| super.initialize(); |
| } |
| |
| public MChoicePeer(Choice target) { |
| super(target); |
| } |
| |
| public boolean isFocusable() { |
| return true; |
| } |
| |
| public Dimension getMinimumSize() { |
| FontMetrics fm = getFontMetrics(target.getFont()); |
| Choice c = (Choice)target; |
| int w = 0; |
| for (int i = c.countItems() ; i-- > 0 ;) { |
| w = Math.max(fm.stringWidth(c.getItem(i)), w); |
| } |
| return new Dimension(32 + w, Math.max(fm.getHeight() + 8, 15) + 5); |
| } |
| |
| public native void setFont(Font f); |
| |
| public void add(String item, int index) { |
| addItem(item, index); |
| // Adding an item can change the size of the Choice, so do |
| // a reshape, based on the font size. |
| Rectangle r = target.getBounds(); |
| reshape(r.x, r.y, 0, 0); |
| } |
| |
| public native void remove(int index); |
| |
| public native void removeAll(); |
| |
| /** |
| * DEPRECATED, but for now, called by add(String, int). |
| */ |
| public native void addItem(String item, int index); |
| |
| // public native void remove(int index); |
| |
| public native void setBackground(Color c); |
| |
| public native void setForeground(Color c); |
| |
| public void select(int index) { |
| if (!inUpCall) { |
| pSelect(index, false); |
| } |
| } |
| |
| void notifySelection(String item) { |
| Choice c = (Choice)target; |
| ItemEvent e = new ItemEvent(c, ItemEvent.ITEM_STATE_CHANGED, |
| item, ItemEvent.SELECTED); |
| postEvent(e); |
| } |
| |
| |
| // NOTE: This method is called by privileged threads. |
| // DO NOT INVOKE CLIENT CODE ON THIS THREAD! |
| void action(final int index) { |
| final Choice c = (Choice)target; |
| inUpCall = false; /* Used to prevent native selection. */ |
| MToolkit.executeOnEventHandlerThread(c, new Runnable() { |
| public void run() { |
| String item; |
| synchronized(c) { |
| if (index >= c.getItemCount()) { |
| /* Nothing to do when the list is too short */ |
| return; |
| } |
| inUpCall = true; /* Prevent native selection. */ |
| c.select(index); /* set value in target */ |
| item = c.getItem(index); |
| inUpCall = false; |
| } |
| notifySelection(item); |
| } |
| }); |
| } |
| |
| /* |
| * Print the native component by rendering the Motif look ourselves. |
| * ToDo(aim): needs to query native motif for more accurate size and |
| * color information. |
| */ |
| public void print(Graphics g) { |
| Choice ch = (Choice)target; |
| Dimension d = ch.size(); |
| Color bg = ch.getBackground(); |
| Color fg = ch.getForeground(); |
| |
| g.setColor(bg); |
| g.fillRect(2, 2, d.width-1, d.height-1); |
| draw3DRect(g, bg, 1, 1, d.width-2, d.height-2, true); |
| draw3DRect(g, bg, d.width - 18, (d.height / 2) - 3, 10, 6, true); |
| |
| g.setColor(fg); |
| g.setFont(ch.getFont()); |
| FontMetrics fm = g.getFontMetrics(); |
| String lbl = ch.getSelectedItem(); |
| if (lbl == null){ |
| lbl = ""; |
| } |
| if (lbl != ""){ |
| g.drawString(lbl, 5, (d.height + fm.getMaxAscent()-fm.getMaxDescent())/2); |
| } |
| |
| target.print(g); |
| } |
| |
| /** |
| * DEPRECATED |
| */ |
| public Dimension minimumSize() { |
| return getMinimumSize(); |
| } |
| |
| protected void disposeImpl() { |
| freeNativeData(); |
| super.disposeImpl(); |
| } |
| |
| private native void freeNativeData(); |
| } |