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
40 /**
41 * Motif rendition of the component.
42 *
43 * @author Thomas Ball
44 * @author Rich Schiavi
45 */
46 public class MotifDesktopIconUI extends BasicDesktopIconUI
47 {
48 protected DesktopIconActionListener desktopIconActionListener;
49 protected DesktopIconMouseListener desktopIconMouseListener;
50
51 protected Icon defaultIcon;
52 protected IconButton iconButton;
53 protected IconLabel iconLabel;
54
55 // This is only used for its system menu, but we need a reference to it so
56 // we can remove its listeners.
57 private MotifInternalFrameTitlePane sysMenuTitlePane;
58
59 JPopupMenu systemMenu;
60 EventListener mml;
61
62 final static int LABEL_HEIGHT = 18;
63 final static int LABEL_DIVIDER = 4; // padding between icon and label
64
65 final static Font defaultTitleFont =
66 new Font(Font.SANS_SERIF, Font.PLAIN, 12);
67
68 public static ComponentUI createUI(JComponent c) {
69 return new MotifDesktopIconUI();
70 }
71
72 public MotifDesktopIconUI() {
73 }
74
75 protected void installDefaults(){
76 super.installDefaults();
77 setDefaultIcon(UIManager.getIcon("DesktopIcon.icon"));
78 iconButton = createIconButton(defaultIcon);
79 // An underhanded way of creating a system popup menu.
80 sysMenuTitlePane = new MotifInternalFrameTitlePane(frame);
81 systemMenu = sysMenuTitlePane.getSystemMenu();
82
83 MotifBorders.FrameBorder border = new MotifBorders.FrameBorder(desktopIcon);
84 desktopIcon.setLayout(new BorderLayout());
85 iconButton.setBorder(border);
86 desktopIcon.add(iconButton, BorderLayout.CENTER);
87 iconLabel = createIconLabel(frame);
88 iconLabel.setBorder(border);
89 desktopIcon.add(iconLabel, BorderLayout.SOUTH);
90 desktopIcon.setSize(desktopIcon.getPreferredSize());
91 desktopIcon.validate();
92 JLayeredPane.putLayer(desktopIcon, JLayeredPane.getLayer(frame));
93 }
94
95 protected void installComponents(){
96 }
97
98 protected void uninstallComponents(){
99 }
100
101 protected void installListeners(){
102 super.installListeners();
103 desktopIconActionListener = createDesktopIconActionListener();
104 desktopIconMouseListener = createDesktopIconMouseListener();
105 iconButton.addActionListener(desktopIconActionListener);
106 iconButton.addMouseListener(desktopIconMouseListener);
107 iconLabel.addMouseListener(desktopIconMouseListener);
108 }
109
110 JInternalFrame.JDesktopIcon getDesktopIcon(){
111 return desktopIcon;
112 }
113
114 void setDesktopIcon(JInternalFrame.JDesktopIcon d){
115 desktopIcon = d;
116 }
117
118 JInternalFrame getFrame(){
119 return frame;
120 }
121
122 void setFrame(JInternalFrame f){
123 frame = f ;
124 }
125
126 protected void showSystemMenu(){
127 systemMenu.show(iconButton, 0, getDesktopIcon().getHeight());
128 }
129
130 protected void hideSystemMenu(){
131 systemMenu.setVisible(false);
132 }
133
134 protected IconLabel createIconLabel(JInternalFrame frame){
135 return new IconLabel(frame);
136 }
137
138 protected IconButton createIconButton(Icon i){
139 return new IconButton(i);
140 }
141
142 protected DesktopIconActionListener createDesktopIconActionListener(){
143 return new DesktopIconActionListener();
144 }
145
146 protected DesktopIconMouseListener createDesktopIconMouseListener(){
147 return new DesktopIconMouseListener();
148 }
149
150 protected void uninstallDefaults(){
151 super.uninstallDefaults();
152 desktopIcon.setLayout(null);
153 desktopIcon.remove(iconButton);
154 desktopIcon.remove(iconLabel);
155 }
156
157 protected void uninstallListeners(){
158 super.uninstallListeners();
159 iconButton.removeActionListener(desktopIconActionListener);
160 iconButton.removeMouseListener(desktopIconMouseListener);
161 sysMenuTitlePane.uninstallListeners();
162 }
163
164 public Dimension getMinimumSize(JComponent c) {
165 JInternalFrame iframe = desktopIcon.getInternalFrame();
166
167 int w = defaultIcon.getIconWidth();
168 int h = defaultIcon.getIconHeight() + LABEL_HEIGHT + LABEL_DIVIDER;
169
170 Border border = iframe.getBorder();
171 if(border != null) {
172 w += border.getBorderInsets(iframe).left +
173 border.getBorderInsets(iframe).right;
174 h += border.getBorderInsets(iframe).bottom +
175 border.getBorderInsets(iframe).top;
176 }
177
178 return new Dimension(w, h);
179 }
180
181 public Dimension getPreferredSize(JComponent c) {
182 return getMinimumSize(c);
183 }
184
185 public Dimension getMaximumSize(JComponent c){
186 return getMinimumSize(c);
187 }
188
189 /**
190 * Returns the default desktop icon.
191 */
192 public Icon getDefaultIcon() {
193 return defaultIcon;
194 }
195
196 /**
197 * Sets the icon used as the default desktop icon.
198 */
199 public void setDefaultIcon(Icon newIcon) {
200 defaultIcon = newIcon;
201 }
202
203 @SuppressWarnings("serial") // Superclass is not serializable across versions
204 protected class IconLabel extends JPanel {
205 JInternalFrame frame;
206
207 IconLabel(JInternalFrame f) {
208 super();
209 this.frame = f;
210 setFont(defaultTitleFont);
211
212 // Forward mouse events to titlebar for moves.
213 addMouseMotionListener(new MouseMotionListener() {
214 public void mouseDragged(MouseEvent e) {
215 forwardEventToParent(e);
216 }
217 public void mouseMoved(MouseEvent e) {
218 forwardEventToParent(e);
219 }
220 });
221 addMouseListener(new MouseListener() {
222 public void mouseClicked(MouseEvent e) {
223 forwardEventToParent(e);
224 }
225 public void mousePressed(MouseEvent e) {
226 forwardEventToParent(e);
227 }
228 public void mouseReleased(MouseEvent e) {
229 forwardEventToParent(e);
230 }
231 public void mouseEntered(MouseEvent e) {
232 forwardEventToParent(e);
233 }
234 public void mouseExited(MouseEvent e) {
235 forwardEventToParent(e);
236 }
237 });
238 }
239
240 void forwardEventToParent(MouseEvent e) {
241 getParent().dispatchEvent(new MouseEvent(
242 getParent(), e.getID(), e.getWhen(), e.getModifiers(),
243 e.getX(), e.getY(), e.getXOnScreen(),
244 e.getYOnScreen(), e.getClickCount(),
245 e.isPopupTrigger(), MouseEvent.NOBUTTON));
246 }
247
248 public boolean isFocusTraversable() {
249 return false;
250 }
251
252 public Dimension getMinimumSize() {
253 return new Dimension(defaultIcon.getIconWidth() + 1,
254 LABEL_HEIGHT + LABEL_DIVIDER);
255 }
256
257 public Dimension getPreferredSize() {
258 String title = frame.getTitle();
259 FontMetrics fm = frame.getFontMetrics(defaultTitleFont);
260 int w = 4;
261 if (title != null) {
262 w += SwingUtilities2.stringWidth(frame, fm, title);
263 }
264 return new Dimension(w, LABEL_HEIGHT + LABEL_DIVIDER);
265 }
266
267 public void paint(Graphics g) {
268 super.paint(g);
269
270 // touch-up frame
271 int maxX = getWidth() - 1;
272 Color shadow =
273 UIManager.getColor("inactiveCaptionBorder").darker().darker();
274 g.setColor(shadow);
275 g.setClip(0, 0, getWidth(), getHeight());
276 g.drawLine(maxX - 1, 1, maxX - 1, 1);
277 g.drawLine(maxX, 0, maxX, 0);
278
279 // fill background
280 g.setColor(UIManager.getColor("inactiveCaption"));
281 g.fillRect(2, 1, maxX - 3, LABEL_HEIGHT + 1);
282
283 // draw text -- clipping to truncate text like CDE/Motif
284 g.setClip(2, 1, maxX - 4, LABEL_HEIGHT);
285 int y = LABEL_HEIGHT - SwingUtilities2.getFontMetrics(frame, g).
286 getDescent();
287 g.setColor(UIManager.getColor("inactiveCaptionText"));
288 String title = frame.getTitle();
289 if (title != null) {
290 SwingUtilities2.drawString(frame, g, title, 4, y);
291 }
292 }
293 }
294
295 @SuppressWarnings("serial") // Superclass is not serializable across versions
296 protected class IconButton extends JButton {
297 Icon icon;
298
299 IconButton(Icon icon) {
300 super(icon);
301 this.icon = icon;
302 // Forward mouse events to titlebar for moves.
303 addMouseMotionListener(new MouseMotionListener() {
304 public void mouseDragged(MouseEvent e) {
305 forwardEventToParent(e);
306 }
307 public void mouseMoved(MouseEvent e) {
308 forwardEventToParent(e);
309 }
310 });
311 addMouseListener(new MouseListener() {
312 public void mouseClicked(MouseEvent e) {
313 forwardEventToParent(e);
314 }
315 public void mousePressed(MouseEvent e) {
316 forwardEventToParent(e);
317 }
318 public void mouseReleased(MouseEvent e) {
319 if (!systemMenu.isShowing()) {
320 forwardEventToParent(e);
321 }
322 }
323 public void mouseEntered(MouseEvent e) {
324 forwardEventToParent(e);
325 }
326 public void mouseExited(MouseEvent e) {
327 forwardEventToParent(e);
328 }
329 });
330 }
331
332 void forwardEventToParent(MouseEvent e) {
333 getParent().dispatchEvent(new MouseEvent(
334 getParent(), e.getID(), e.getWhen(), e.getModifiers(),
335 e.getX(), e.getY(), e.getXOnScreen(), e.getYOnScreen(),
336 e.getClickCount(), e.isPopupTrigger(), MouseEvent.NOBUTTON ));
337 }
338
339 public boolean isFocusTraversable() {
340 return false;
341 }
342 }
343
344
345 protected class DesktopIconActionListener implements ActionListener {
346 public void actionPerformed(ActionEvent e){
347 systemMenu.show(iconButton, 0, getDesktopIcon().getHeight());
348 }
349 }
350
351 protected class DesktopIconMouseListener extends MouseAdapter {
352 // if we drag or move we should deengage the popup
353 public void mousePressed(MouseEvent e){
354 if (e.getClickCount() > 1) {
355 try {
356 getFrame().setIcon(false);
357 } catch (PropertyVetoException e2){ }
358 systemMenu.setVisible(false);
359 /* the mouse release will not get reported correctly,
360 because the icon will no longer be in the hierarchy;
361 maybe that should be fixed, but until it is, we need
362 to do the required cleanup here. */
363 getFrame().getDesktopPane().getDesktopManager().endDraggingFrame((JComponent)e.getSource());
364 }
365 }
366 }
367 }