1 /*
2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.java.swing.plaf.motif;
27
28 import sun.swing.SwingUtilities2;
29 import java.awt.*;
30 import java.awt.event.*;
31 import javax.swing.*;
32 import javax.swing.border.*;
33 import javax.swing.plaf.*;
34 import javax.swing.plaf.basic.*;
35 import java.beans.*;
36 import java.util.EventListener;
37 import java.io.Serializable;
38
39 import sun.awt.AWTAccessor;
40 import sun.awt.AWTAccessor.MouseEventAccessor;
41
42 /**
43 * Motif rendition of the component.
44 *
45 * @author Thomas Ball
46 * @author Rich Schiavi
47 */
48 public class MotifDesktopIconUI extends BasicDesktopIconUI
49 {
50 protected DesktopIconActionListener desktopIconActionListener;
51 protected DesktopIconMouseListener desktopIconMouseListener;
52
53 protected Icon defaultIcon;
54 protected IconButton iconButton;
55 protected IconLabel iconLabel;
56
57 // This is only used for its system menu, but we need a reference to it so
58 // we can remove its listeners.
59 private MotifInternalFrameTitlePane sysMenuTitlePane;
60
61 JPopupMenu systemMenu;
62 EventListener mml;
63
64 static final int LABEL_HEIGHT = 18;
65 static final int LABEL_DIVIDER = 4; // padding between icon and label
66
67 static final Font defaultTitleFont =
68 new Font(Font.SANS_SERIF, Font.PLAIN, 12);
69
70 public static ComponentUI createUI(JComponent c) {
71 return new MotifDesktopIconUI();
72 }
73
74 public MotifDesktopIconUI() {
75 }
76
77 protected void installDefaults(){
78 super.installDefaults();
79 setDefaultIcon(UIManager.getIcon("DesktopIcon.icon"));
80 iconButton = createIconButton(defaultIcon);
81 // An underhanded way of creating a system popup menu.
82 sysMenuTitlePane = new MotifInternalFrameTitlePane(frame);
83 systemMenu = sysMenuTitlePane.getSystemMenu();
84
85 MotifBorders.FrameBorder border = new MotifBorders.FrameBorder(desktopIcon);
86 desktopIcon.setLayout(new BorderLayout());
87 iconButton.setBorder(border);
88 desktopIcon.add(iconButton, BorderLayout.CENTER);
89 iconLabel = createIconLabel(frame);
90 iconLabel.setBorder(border);
91 desktopIcon.add(iconLabel, BorderLayout.SOUTH);
92 desktopIcon.setSize(desktopIcon.getPreferredSize());
93 desktopIcon.validate();
94 JLayeredPane.putLayer(desktopIcon, JLayeredPane.getLayer(frame));
95 }
96
97 protected void installComponents(){
98 }
99
100 protected void uninstallComponents(){
101 }
102
103 protected void installListeners(){
104 super.installListeners();
105 desktopIconActionListener = createDesktopIconActionListener();
106 desktopIconMouseListener = createDesktopIconMouseListener();
107 iconButton.addActionListener(desktopIconActionListener);
108 iconButton.addMouseListener(desktopIconMouseListener);
109 iconLabel.addMouseListener(desktopIconMouseListener);
110 }
111
112 JInternalFrame.JDesktopIcon getDesktopIcon(){
113 return desktopIcon;
114 }
115
116 void setDesktopIcon(JInternalFrame.JDesktopIcon d){
117 desktopIcon = d;
118 }
119
120 JInternalFrame getFrame(){
121 return frame;
122 }
123
124 void setFrame(JInternalFrame f){
125 frame = f ;
126 }
127
128 protected void showSystemMenu(){
129 systemMenu.show(iconButton, 0, getDesktopIcon().getHeight());
130 }
131
132 protected void hideSystemMenu(){
133 systemMenu.setVisible(false);
134 }
135
136 protected IconLabel createIconLabel(JInternalFrame frame){
137 return new IconLabel(frame);
138 }
139
140 protected IconButton createIconButton(Icon i){
141 return new IconButton(i);
142 }
143
144 protected DesktopIconActionListener createDesktopIconActionListener(){
145 return new DesktopIconActionListener();
146 }
147
148 protected DesktopIconMouseListener createDesktopIconMouseListener(){
149 return new DesktopIconMouseListener();
150 }
151
152 protected void uninstallDefaults(){
153 super.uninstallDefaults();
154 desktopIcon.setLayout(null);
155 desktopIcon.remove(iconButton);
156 desktopIcon.remove(iconLabel);
157 }
158
159 protected void uninstallListeners(){
160 super.uninstallListeners();
161 iconButton.removeActionListener(desktopIconActionListener);
162 iconButton.removeMouseListener(desktopIconMouseListener);
163 sysMenuTitlePane.uninstallListeners();
164 }
165
166 public Dimension getMinimumSize(JComponent c) {
167 JInternalFrame iframe = desktopIcon.getInternalFrame();
168
169 int w = defaultIcon.getIconWidth();
170 int h = defaultIcon.getIconHeight() + LABEL_HEIGHT + LABEL_DIVIDER;
171
172 Border border = iframe.getBorder();
173 if(border != null) {
174 w += border.getBorderInsets(iframe).left +
175 border.getBorderInsets(iframe).right;
176 h += border.getBorderInsets(iframe).bottom +
177 border.getBorderInsets(iframe).top;
178 }
179
180 return new Dimension(w, h);
181 }
182
183 public Dimension getPreferredSize(JComponent c) {
184 return getMinimumSize(c);
185 }
186
187 public Dimension getMaximumSize(JComponent c){
188 return getMinimumSize(c);
189 }
190
191 /**
192 * Returns the default desktop icon.
193 */
194 public Icon getDefaultIcon() {
195 return defaultIcon;
196 }
197
198 /**
199 * Sets the icon used as the default desktop icon.
200 */
201 public void setDefaultIcon(Icon newIcon) {
202 defaultIcon = newIcon;
203 }
204
205 @SuppressWarnings("serial") // Superclass is not serializable across versions
206 protected class IconLabel extends JPanel {
207 JInternalFrame frame;
208
209 IconLabel(JInternalFrame f) {
210 super();
211 this.frame = f;
212 setFont(defaultTitleFont);
213
214 // Forward mouse events to titlebar for moves.
215 addMouseMotionListener(new MouseMotionListener() {
216 public void mouseDragged(MouseEvent e) {
217 forwardEventToParent(e);
218 }
219 public void mouseMoved(MouseEvent e) {
220 forwardEventToParent(e);
221 }
222 });
223 addMouseListener(new MouseListener() {
224 public void mouseClicked(MouseEvent e) {
225 forwardEventToParent(e);
226 }
227 public void mousePressed(MouseEvent e) {
228 forwardEventToParent(e);
229 }
230 public void mouseReleased(MouseEvent e) {
231 forwardEventToParent(e);
232 }
233 public void mouseEntered(MouseEvent e) {
234 forwardEventToParent(e);
235 }
236 public void mouseExited(MouseEvent e) {
237 forwardEventToParent(e);
238 }
239 });
240 }
241 @SuppressWarnings("deprecation")
242 void forwardEventToParent(MouseEvent e) {
243 MouseEvent newEvent = new MouseEvent(
244 getParent(), e.getID(), e.getWhen(), e.getModifiers(),
245 e.getX(), e.getY(), e.getXOnScreen(),
246 e.getYOnScreen(), e.getClickCount(),
247 e.isPopupTrigger(), MouseEvent.NOBUTTON);
248 MouseEventAccessor meAccessor = AWTAccessor.getMouseEventAccessor();
249 meAccessor.setCausedByTouchEvent(newEvent,
250 meAccessor.isCausedByTouchEvent(e));
251 getParent().dispatchEvent(newEvent);
252 }
253
254 @SuppressWarnings("deprecation")
255 public boolean isFocusTraversable() {
256 return false;
257 }
258
259 public Dimension getMinimumSize() {
260 return new Dimension(defaultIcon.getIconWidth() + 1,
261 LABEL_HEIGHT + LABEL_DIVIDER);
262 }
263
264 public Dimension getPreferredSize() {
265 String title = frame.getTitle();
266 FontMetrics fm = frame.getFontMetrics(defaultTitleFont);
267 int w = 4;
268 if (title != null) {
269 w += SwingUtilities2.stringWidth(frame, fm, title);
270 }
271 return new Dimension(w, LABEL_HEIGHT + LABEL_DIVIDER);
272 }
273
274 public void paint(Graphics g) {
275 super.paint(g);
276
277 // touch-up frame
278 int maxX = getWidth() - 1;
279 Color shadow =
280 UIManager.getColor("inactiveCaptionBorder").darker().darker();
281 g.setColor(shadow);
282 g.setClip(0, 0, getWidth(), getHeight());
283 g.drawLine(maxX - 1, 1, maxX - 1, 1);
284 g.drawLine(maxX, 0, maxX, 0);
285
286 // fill background
287 g.setColor(UIManager.getColor("inactiveCaption"));
288 g.fillRect(2, 1, maxX - 3, LABEL_HEIGHT + 1);
289
290 // draw text -- clipping to truncate text like CDE/Motif
291 g.setClip(2, 1, maxX - 4, LABEL_HEIGHT);
292 int y = LABEL_HEIGHT - SwingUtilities2.getFontMetrics(frame, g).
293 getDescent();
294 g.setColor(UIManager.getColor("inactiveCaptionText"));
295 String title = frame.getTitle();
296 if (title != null) {
297 SwingUtilities2.drawString(frame, g, title, 4, y);
298 }
299 }
300 }
301
302 @SuppressWarnings("serial") // Superclass is not serializable across versions
303 protected class IconButton extends JButton {
304 Icon icon;
305
306 IconButton(Icon icon) {
307 super(icon);
308 this.icon = icon;
309 // Forward mouse events to titlebar for moves.
310 addMouseMotionListener(new MouseMotionListener() {
311 public void mouseDragged(MouseEvent e) {
312 forwardEventToParent(e);
313 }
314 public void mouseMoved(MouseEvent e) {
315 forwardEventToParent(e);
316 }
317 });
318 addMouseListener(new MouseListener() {
319 public void mouseClicked(MouseEvent e) {
320 forwardEventToParent(e);
321 }
322 public void mousePressed(MouseEvent e) {
323 forwardEventToParent(e);
324 }
325 public void mouseReleased(MouseEvent e) {
326 if (!systemMenu.isShowing()) {
327 forwardEventToParent(e);
328 }
329 }
330 public void mouseEntered(MouseEvent e) {
331 forwardEventToParent(e);
332 }
333 public void mouseExited(MouseEvent e) {
334 forwardEventToParent(e);
335 }
336 });
337 }
338 @SuppressWarnings("deprecation")
339 void forwardEventToParent(MouseEvent e) {
340 MouseEvent newEvent = new MouseEvent(
341 getParent(), e.getID(), e.getWhen(), e.getModifiers(),
342 e.getX(), e.getY(), e.getXOnScreen(), e.getYOnScreen(),
343 e.getClickCount(), e.isPopupTrigger(), MouseEvent.NOBUTTON );
344 MouseEventAccessor meAccessor = AWTAccessor.getMouseEventAccessor();
345 meAccessor.setCausedByTouchEvent(newEvent,
346 meAccessor.isCausedByTouchEvent(e));
347 getParent().dispatchEvent(newEvent);
348 }
349
350 @SuppressWarnings("deprecation")
351 public boolean isFocusTraversable() {
352 return false;
353 }
354 }
355
356
357 protected class DesktopIconActionListener implements ActionListener {
358 public void actionPerformed(ActionEvent e){
359 systemMenu.show(iconButton, 0, getDesktopIcon().getHeight());
360 }
361 }
362
363 protected class DesktopIconMouseListener extends MouseAdapter {
364 // if we drag or move we should deengage the popup
365 public void mousePressed(MouseEvent e){
366 if (e.getClickCount() > 1) {
367 try {
368 getFrame().setIcon(false);
369 } catch (PropertyVetoException e2){ }
370 systemMenu.setVisible(false);
371 /* the mouse release will not get reported correctly,
372 because the icon will no longer be in the hierarchy;
373 maybe that should be fixed, but until it is, we need
374 to do the required cleanup here. */
375 getFrame().getDesktopPane().getDesktopManager().endDraggingFrame((JComponent)e.getSource());
376 }
377 }
378 }
379 }