2
|
1 |
/*
|
|
2 |
* Copyright 1997-2006 Sun Microsystems, Inc. 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. Sun designates this
|
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
|
9 |
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
22 |
* CA 95054 USA or visit www.sun.com if you need additional information or
|
|
23 |
* have any questions.
|
|
24 |
*/
|
|
25 |
|
|
26 |
package javax.swing.plaf.basic;
|
|
27 |
|
|
28 |
import sun.swing.DefaultLookup;
|
|
29 |
import sun.swing.UIAction;
|
|
30 |
import java.awt.*;
|
|
31 |
import java.awt.event.*;
|
|
32 |
import java.beans.*;
|
|
33 |
import javax.swing.*;
|
|
34 |
import javax.swing.event.*;
|
|
35 |
import javax.swing.plaf.*;
|
|
36 |
import javax.swing.border.*;
|
|
37 |
import java.util.Arrays;
|
|
38 |
import java.util.ArrayList;
|
|
39 |
|
|
40 |
|
|
41 |
/**
|
|
42 |
* A default L&F implementation of MenuUI. This implementation
|
|
43 |
* is a "combined" view/controller.
|
|
44 |
*
|
|
45 |
* @author Georges Saab
|
|
46 |
* @author David Karlton
|
|
47 |
* @author Arnaud Weber
|
|
48 |
*/
|
|
49 |
public class BasicMenuUI extends BasicMenuItemUI
|
|
50 |
{
|
|
51 |
protected ChangeListener changeListener;
|
|
52 |
protected MenuListener menuListener;
|
|
53 |
|
|
54 |
private int lastMnemonic = 0;
|
|
55 |
|
|
56 |
/** Uses as the parent of the windowInputMap when selected. */
|
|
57 |
private InputMap selectedWindowInputMap;
|
|
58 |
|
|
59 |
/* diagnostic aids -- should be false for production builds. */
|
|
60 |
private static final boolean TRACE = false; // trace creates and disposes
|
|
61 |
private static final boolean VERBOSE = false; // show reuse hits/misses
|
|
62 |
private static final boolean DEBUG = false; // show bad params, misc.
|
|
63 |
|
|
64 |
private static boolean crossMenuMnemonic = true;
|
|
65 |
|
|
66 |
public static ComponentUI createUI(JComponent x) {
|
|
67 |
return new BasicMenuUI();
|
|
68 |
}
|
|
69 |
|
|
70 |
static void loadActionMap(LazyActionMap map) {
|
|
71 |
BasicMenuItemUI.loadActionMap(map);
|
|
72 |
map.put(new Actions(Actions.SELECT, null, true));
|
|
73 |
}
|
|
74 |
|
|
75 |
|
|
76 |
protected void installDefaults() {
|
|
77 |
super.installDefaults();
|
|
78 |
updateDefaultBackgroundColor();
|
|
79 |
((JMenu)menuItem).setDelay(200);
|
|
80 |
crossMenuMnemonic = UIManager.getBoolean("Menu.crossMenuMnemonic");
|
|
81 |
}
|
|
82 |
|
|
83 |
protected String getPropertyPrefix() {
|
|
84 |
return "Menu";
|
|
85 |
}
|
|
86 |
|
|
87 |
protected void installListeners() {
|
|
88 |
super.installListeners();
|
|
89 |
|
|
90 |
if (changeListener == null)
|
|
91 |
changeListener = createChangeListener(menuItem);
|
|
92 |
|
|
93 |
if (changeListener != null)
|
|
94 |
menuItem.addChangeListener(changeListener);
|
|
95 |
|
|
96 |
if (menuListener == null)
|
|
97 |
menuListener = createMenuListener(menuItem);
|
|
98 |
|
|
99 |
if (menuListener != null)
|
|
100 |
((JMenu)menuItem).addMenuListener(menuListener);
|
|
101 |
}
|
|
102 |
|
|
103 |
protected void installKeyboardActions() {
|
|
104 |
super.installKeyboardActions();
|
|
105 |
updateMnemonicBinding();
|
|
106 |
}
|
|
107 |
|
|
108 |
void installLazyActionMap() {
|
|
109 |
LazyActionMap.installLazyActionMap(menuItem, BasicMenuUI.class,
|
|
110 |
getPropertyPrefix() + ".actionMap");
|
|
111 |
}
|
|
112 |
|
|
113 |
void updateMnemonicBinding() {
|
|
114 |
int mnemonic = menuItem.getModel().getMnemonic();
|
|
115 |
int[] shortcutKeys = (int[])DefaultLookup.get(menuItem, this,
|
|
116 |
"Menu.shortcutKeys");
|
|
117 |
if (shortcutKeys == null) {
|
|
118 |
shortcutKeys = new int[] {KeyEvent.ALT_MASK};
|
|
119 |
}
|
|
120 |
if (mnemonic == lastMnemonic) {
|
|
121 |
return;
|
|
122 |
}
|
|
123 |
InputMap windowInputMap = SwingUtilities.getUIInputMap(
|
|
124 |
menuItem, JComponent.WHEN_IN_FOCUSED_WINDOW);
|
|
125 |
if (lastMnemonic != 0 && windowInputMap != null) {
|
|
126 |
for (int i=0; i<shortcutKeys.length; i++) {
|
|
127 |
windowInputMap.remove(KeyStroke.getKeyStroke
|
|
128 |
(lastMnemonic, shortcutKeys[i], false));
|
|
129 |
}
|
|
130 |
}
|
|
131 |
if (mnemonic != 0) {
|
|
132 |
if (windowInputMap == null) {
|
|
133 |
windowInputMap = createInputMap(JComponent.
|
|
134 |
WHEN_IN_FOCUSED_WINDOW);
|
|
135 |
SwingUtilities.replaceUIInputMap(menuItem, JComponent.
|
|
136 |
WHEN_IN_FOCUSED_WINDOW, windowInputMap);
|
|
137 |
}
|
|
138 |
for (int i=0; i<shortcutKeys.length; i++) {
|
|
139 |
windowInputMap.put(KeyStroke.getKeyStroke(mnemonic,
|
|
140 |
shortcutKeys[i], false),
|
|
141 |
"selectMenu");
|
|
142 |
}
|
|
143 |
}
|
|
144 |
lastMnemonic = mnemonic;
|
|
145 |
}
|
|
146 |
|
|
147 |
protected void uninstallKeyboardActions() {
|
|
148 |
super.uninstallKeyboardActions();
|
|
149 |
lastMnemonic = 0;
|
|
150 |
}
|
|
151 |
|
|
152 |
protected MouseInputListener createMouseInputListener(JComponent c) {
|
|
153 |
return getHandler();
|
|
154 |
}
|
|
155 |
|
|
156 |
protected MenuListener createMenuListener(JComponent c) {
|
|
157 |
return null;
|
|
158 |
}
|
|
159 |
|
|
160 |
protected ChangeListener createChangeListener(JComponent c) {
|
|
161 |
return null;
|
|
162 |
}
|
|
163 |
|
|
164 |
protected PropertyChangeListener createPropertyChangeListener(JComponent c) {
|
|
165 |
return getHandler();
|
|
166 |
}
|
|
167 |
|
|
168 |
BasicMenuItemUI.Handler getHandler() {
|
|
169 |
if (handler == null) {
|
|
170 |
handler = new Handler();
|
|
171 |
}
|
|
172 |
return handler;
|
|
173 |
}
|
|
174 |
|
|
175 |
protected void uninstallDefaults() {
|
|
176 |
menuItem.setArmed(false);
|
|
177 |
menuItem.setSelected(false);
|
|
178 |
menuItem.resetKeyboardActions();
|
|
179 |
super.uninstallDefaults();
|
|
180 |
}
|
|
181 |
|
|
182 |
protected void uninstallListeners() {
|
|
183 |
super.uninstallListeners();
|
|
184 |
|
|
185 |
if (changeListener != null)
|
|
186 |
menuItem.removeChangeListener(changeListener);
|
|
187 |
|
|
188 |
if (menuListener != null)
|
|
189 |
((JMenu)menuItem).removeMenuListener(menuListener);
|
|
190 |
|
|
191 |
changeListener = null;
|
|
192 |
menuListener = null;
|
|
193 |
handler = null;
|
|
194 |
}
|
|
195 |
|
|
196 |
protected MenuDragMouseListener createMenuDragMouseListener(JComponent c) {
|
|
197 |
return getHandler();
|
|
198 |
}
|
|
199 |
|
|
200 |
protected MenuKeyListener createMenuKeyListener(JComponent c) {
|
|
201 |
return (MenuKeyListener)getHandler();
|
|
202 |
}
|
|
203 |
|
|
204 |
public Dimension getMaximumSize(JComponent c) {
|
|
205 |
if (((JMenu)menuItem).isTopLevelMenu() == true) {
|
|
206 |
Dimension d = c.getPreferredSize();
|
|
207 |
return new Dimension(d.width, Short.MAX_VALUE);
|
|
208 |
}
|
|
209 |
return null;
|
|
210 |
}
|
|
211 |
|
|
212 |
protected void setupPostTimer(JMenu menu) {
|
|
213 |
Timer timer = new Timer(menu.getDelay(), new Actions(
|
|
214 |
Actions.SELECT, menu,false));
|
|
215 |
timer.setRepeats(false);
|
|
216 |
timer.start();
|
|
217 |
}
|
|
218 |
|
|
219 |
private static void appendPath(MenuElement[] path, MenuElement elem) {
|
|
220 |
MenuElement newPath[] = new MenuElement[path.length+1];
|
|
221 |
System.arraycopy(path, 0, newPath, 0, path.length);
|
|
222 |
newPath[path.length] = elem;
|
|
223 |
MenuSelectionManager.defaultManager().setSelectedPath(newPath);
|
|
224 |
}
|
|
225 |
|
|
226 |
private static class Actions extends UIAction {
|
|
227 |
private static final String SELECT = "selectMenu";
|
|
228 |
|
|
229 |
// NOTE: This will be null if the action is registered in the
|
|
230 |
// ActionMap. For the timer use it will be non-null.
|
|
231 |
private JMenu menu;
|
|
232 |
private boolean force=false;
|
|
233 |
|
|
234 |
Actions(String key, JMenu menu, boolean shouldForce) {
|
|
235 |
super(key);
|
|
236 |
this.menu = menu;
|
|
237 |
this.force = shouldForce;
|
|
238 |
}
|
|
239 |
|
|
240 |
private JMenu getMenu(ActionEvent e) {
|
|
241 |
if (e.getSource() instanceof JMenu) {
|
|
242 |
return (JMenu)e.getSource();
|
|
243 |
}
|
|
244 |
return menu;
|
|
245 |
}
|
|
246 |
|
|
247 |
public void actionPerformed(ActionEvent e) {
|
|
248 |
JMenu menu = getMenu(e);
|
|
249 |
if (!crossMenuMnemonic) {
|
|
250 |
JPopupMenu pm = BasicPopupMenuUI.getLastPopup();
|
|
251 |
if (pm != null && pm != menu.getParent()) {
|
|
252 |
return;
|
|
253 |
}
|
|
254 |
}
|
|
255 |
|
|
256 |
final MenuSelectionManager defaultManager = MenuSelectionManager.defaultManager();
|
|
257 |
if(force) {
|
|
258 |
Container cnt = menu.getParent();
|
|
259 |
if(cnt != null && cnt instanceof JMenuBar) {
|
|
260 |
MenuElement me[];
|
|
261 |
MenuElement subElements[];
|
|
262 |
|
|
263 |
subElements = menu.getPopupMenu().getSubElements();
|
|
264 |
if(subElements.length > 0) {
|
|
265 |
me = new MenuElement[4];
|
|
266 |
me[0] = (MenuElement) cnt;
|
|
267 |
me[1] = (MenuElement) menu;
|
|
268 |
me[2] = (MenuElement) menu.getPopupMenu();
|
|
269 |
me[3] = subElements[0];
|
|
270 |
} else {
|
|
271 |
me = new MenuElement[3];
|
|
272 |
me[0] = (MenuElement)cnt;
|
|
273 |
me[1] = menu;
|
|
274 |
me[2] = (MenuElement) menu.getPopupMenu();
|
|
275 |
}
|
|
276 |
defaultManager.setSelectedPath(me);
|
|
277 |
}
|
|
278 |
} else {
|
|
279 |
MenuElement path[] = defaultManager.getSelectedPath();
|
|
280 |
if(path.length > 0 && path[path.length-1] == menu) {
|
|
281 |
appendPath(path, menu.getPopupMenu());
|
|
282 |
}
|
|
283 |
}
|
|
284 |
}
|
|
285 |
|
|
286 |
public boolean isEnabled(Object c) {
|
|
287 |
if (c instanceof JMenu) {
|
|
288 |
return ((JMenu)c).isEnabled();
|
|
289 |
}
|
|
290 |
return true;
|
|
291 |
}
|
|
292 |
}
|
|
293 |
|
|
294 |
/*
|
|
295 |
* Set the background color depending on whether this is a toplevel menu
|
|
296 |
* in a menubar or a submenu of another menu.
|
|
297 |
*/
|
|
298 |
private void updateDefaultBackgroundColor() {
|
|
299 |
if (!UIManager.getBoolean("Menu.useMenuBarBackgroundForTopLevel")) {
|
|
300 |
return;
|
|
301 |
}
|
|
302 |
JMenu menu = (JMenu)menuItem;
|
|
303 |
if (menu.getBackground() instanceof UIResource) {
|
|
304 |
if (menu.isTopLevelMenu()) {
|
|
305 |
menu.setBackground(UIManager.getColor("MenuBar.background"));
|
|
306 |
} else {
|
|
307 |
menu.setBackground(UIManager.getColor(getPropertyPrefix() + ".background"));
|
|
308 |
}
|
|
309 |
}
|
|
310 |
}
|
|
311 |
|
|
312 |
/**
|
|
313 |
* Instantiated and used by a menu item to handle the current menu selection
|
|
314 |
* from mouse events. A MouseInputHandler processes and forwards all mouse events
|
|
315 |
* to a shared instance of the MenuSelectionManager.
|
|
316 |
* <p>
|
|
317 |
* This class is protected so that it can be subclassed by other look and
|
|
318 |
* feels to implement their own mouse handling behavior. All overridden
|
|
319 |
* methods should call the parent methods so that the menu selection
|
|
320 |
* is correct.
|
|
321 |
*
|
|
322 |
* @see javax.swing.MenuSelectionManager
|
|
323 |
* @since 1.4
|
|
324 |
*/
|
|
325 |
protected class MouseInputHandler implements MouseInputListener {
|
|
326 |
// NOTE: This class exists only for backward compatability. All
|
|
327 |
// its functionality has been moved into Handler. If you need to add
|
|
328 |
// new functionality add it to the Handler, but make sure this
|
|
329 |
// class calls into the Handler.
|
|
330 |
|
|
331 |
public void mouseClicked(MouseEvent e) {
|
|
332 |
getHandler().mouseClicked(e);
|
|
333 |
}
|
|
334 |
|
|
335 |
/**
|
|
336 |
* Invoked when the mouse has been clicked on the menu. This
|
|
337 |
* method clears or sets the selection path of the
|
|
338 |
* MenuSelectionManager.
|
|
339 |
*
|
|
340 |
* @param e the mouse event
|
|
341 |
*/
|
|
342 |
public void mousePressed(MouseEvent e) {
|
|
343 |
getHandler().mousePressed(e);
|
|
344 |
}
|
|
345 |
|
|
346 |
/**
|
|
347 |
* Invoked when the mouse has been released on the menu. Delegates the
|
|
348 |
* mouse event to the MenuSelectionManager.
|
|
349 |
*
|
|
350 |
* @param e the mouse event
|
|
351 |
*/
|
|
352 |
public void mouseReleased(MouseEvent e) {
|
|
353 |
getHandler().mouseReleased(e);
|
|
354 |
}
|
|
355 |
|
|
356 |
/**
|
|
357 |
* Invoked when the cursor enters the menu. This method sets the selected
|
|
358 |
* path for the MenuSelectionManager and handles the case
|
|
359 |
* in which a menu item is used to pop up an additional menu, as in a
|
|
360 |
* hierarchical menu system.
|
|
361 |
*
|
|
362 |
* @param e the mouse event; not used
|
|
363 |
*/
|
|
364 |
public void mouseEntered(MouseEvent e) {
|
|
365 |
getHandler().mouseEntered(e);
|
|
366 |
}
|
|
367 |
public void mouseExited(MouseEvent e) {
|
|
368 |
getHandler().mouseExited(e);
|
|
369 |
}
|
|
370 |
|
|
371 |
/**
|
|
372 |
* Invoked when a mouse button is pressed on the menu and then dragged.
|
|
373 |
* Delegates the mouse event to the MenuSelectionManager.
|
|
374 |
*
|
|
375 |
* @param e the mouse event
|
|
376 |
* @see java.awt.event.MouseMotionListener#mouseDragged
|
|
377 |
*/
|
|
378 |
public void mouseDragged(MouseEvent e) {
|
|
379 |
getHandler().mouseDragged(e);
|
|
380 |
}
|
|
381 |
|
|
382 |
public void mouseMoved(MouseEvent e) {
|
|
383 |
getHandler().mouseMoved(e);
|
|
384 |
}
|
|
385 |
}
|
|
386 |
|
|
387 |
/**
|
|
388 |
* As of Java 2 platform 1.4, this previously undocumented class
|
|
389 |
* is now obsolete. KeyBindings are now managed by the popup menu.
|
|
390 |
*/
|
|
391 |
public class ChangeHandler implements ChangeListener {
|
|
392 |
public JMenu menu;
|
|
393 |
public BasicMenuUI ui;
|
|
394 |
public boolean isSelected = false;
|
|
395 |
public Component wasFocused;
|
|
396 |
|
|
397 |
public ChangeHandler(JMenu m, BasicMenuUI ui) {
|
|
398 |
menu = m;
|
|
399 |
this.ui = ui;
|
|
400 |
}
|
|
401 |
|
|
402 |
public void stateChanged(ChangeEvent e) { }
|
|
403 |
}
|
|
404 |
|
|
405 |
private class Handler extends BasicMenuItemUI.Handler implements
|
|
406 |
MenuKeyListener {
|
|
407 |
//
|
|
408 |
// PropertyChangeListener
|
|
409 |
//
|
|
410 |
public void propertyChange(PropertyChangeEvent e) {
|
|
411 |
if (e.getPropertyName() == AbstractButton.
|
|
412 |
MNEMONIC_CHANGED_PROPERTY) {
|
|
413 |
updateMnemonicBinding();
|
|
414 |
}
|
|
415 |
else {
|
|
416 |
if (e.getPropertyName().equals("ancestor")) {
|
|
417 |
updateDefaultBackgroundColor();
|
|
418 |
}
|
|
419 |
super.propertyChange(e);
|
|
420 |
}
|
|
421 |
}
|
|
422 |
|
|
423 |
//
|
|
424 |
// MouseInputListener
|
|
425 |
//
|
|
426 |
public void mouseClicked(MouseEvent e) {
|
|
427 |
}
|
|
428 |
|
|
429 |
/**
|
|
430 |
* Invoked when the mouse has been clicked on the menu. This
|
|
431 |
* method clears or sets the selection path of the
|
|
432 |
* MenuSelectionManager.
|
|
433 |
*
|
|
434 |
* @param e the mouse event
|
|
435 |
*/
|
|
436 |
public void mousePressed(MouseEvent e) {
|
|
437 |
JMenu menu = (JMenu)menuItem;
|
|
438 |
if (!menu.isEnabled())
|
|
439 |
return;
|
|
440 |
|
|
441 |
MenuSelectionManager manager =
|
|
442 |
MenuSelectionManager.defaultManager();
|
|
443 |
if(menu.isTopLevelMenu()) {
|
|
444 |
if(menu.isSelected() && menu.getPopupMenu().isShowing()) {
|
|
445 |
manager.clearSelectedPath();
|
|
446 |
} else {
|
|
447 |
Container cnt = menu.getParent();
|
|
448 |
if(cnt != null && cnt instanceof JMenuBar) {
|
|
449 |
MenuElement me[] = new MenuElement[2];
|
|
450 |
me[0]=(MenuElement)cnt;
|
|
451 |
me[1]=menu;
|
|
452 |
manager.setSelectedPath(me);
|
|
453 |
}
|
|
454 |
}
|
|
455 |
}
|
|
456 |
|
|
457 |
MenuElement selectedPath[] = manager.getSelectedPath();
|
|
458 |
if (selectedPath.length > 0 &&
|
|
459 |
selectedPath[selectedPath.length-1] != menu.getPopupMenu()) {
|
|
460 |
|
|
461 |
if(menu.isTopLevelMenu() ||
|
|
462 |
menu.getDelay() == 0) {
|
|
463 |
appendPath(selectedPath, menu.getPopupMenu());
|
|
464 |
} else {
|
|
465 |
setupPostTimer(menu);
|
|
466 |
}
|
|
467 |
}
|
|
468 |
}
|
|
469 |
|
|
470 |
/**
|
|
471 |
* Invoked when the mouse has been released on the menu. Delegates the
|
|
472 |
* mouse event to the MenuSelectionManager.
|
|
473 |
*
|
|
474 |
* @param e the mouse event
|
|
475 |
*/
|
|
476 |
public void mouseReleased(MouseEvent e) {
|
|
477 |
JMenu menu = (JMenu)menuItem;
|
|
478 |
if (!menu.isEnabled())
|
|
479 |
return;
|
|
480 |
MenuSelectionManager manager =
|
|
481 |
MenuSelectionManager.defaultManager();
|
|
482 |
manager.processMouseEvent(e);
|
|
483 |
if (!e.isConsumed())
|
|
484 |
manager.clearSelectedPath();
|
|
485 |
}
|
|
486 |
|
|
487 |
/**
|
|
488 |
* Invoked when the cursor enters the menu. This method sets the selected
|
|
489 |
* path for the MenuSelectionManager and handles the case
|
|
490 |
* in which a menu item is used to pop up an additional menu, as in a
|
|
491 |
* hierarchical menu system.
|
|
492 |
*
|
|
493 |
* @param e the mouse event; not used
|
|
494 |
*/
|
|
495 |
public void mouseEntered(MouseEvent e) {
|
|
496 |
JMenu menu = (JMenu)menuItem;
|
|
497 |
// only disable the menu highlighting if it's disabled and the property isn't
|
|
498 |
// true. This allows disabled rollovers to work in WinL&F
|
|
499 |
if (!menu.isEnabled() && !UIManager.getBoolean("MenuItem.disabledAreNavigable")) {
|
|
500 |
return;
|
|
501 |
}
|
|
502 |
|
|
503 |
MenuSelectionManager manager =
|
|
504 |
MenuSelectionManager.defaultManager();
|
|
505 |
MenuElement selectedPath[] = manager.getSelectedPath();
|
|
506 |
if (!menu.isTopLevelMenu()) {
|
|
507 |
if(!(selectedPath.length > 0 &&
|
|
508 |
selectedPath[selectedPath.length-1] ==
|
|
509 |
menu.getPopupMenu())) {
|
|
510 |
if(menu.getDelay() == 0) {
|
|
511 |
appendPath(getPath(), menu.getPopupMenu());
|
|
512 |
} else {
|
|
513 |
manager.setSelectedPath(getPath());
|
|
514 |
setupPostTimer(menu);
|
|
515 |
}
|
|
516 |
}
|
|
517 |
} else {
|
|
518 |
if(selectedPath.length > 0 &&
|
|
519 |
selectedPath[0] == menu.getParent()) {
|
|
520 |
MenuElement newPath[] = new MenuElement[3];
|
|
521 |
// A top level menu's parent is by definition
|
|
522 |
// a JMenuBar
|
|
523 |
newPath[0] = (MenuElement)menu.getParent();
|
|
524 |
newPath[1] = menu;
|
|
525 |
if (BasicPopupMenuUI.getLastPopup() != null) {
|
|
526 |
newPath[2] = menu.getPopupMenu();
|
|
527 |
}
|
|
528 |
manager.setSelectedPath(newPath);
|
|
529 |
}
|
|
530 |
}
|
|
531 |
}
|
|
532 |
public void mouseExited(MouseEvent e) {
|
|
533 |
}
|
|
534 |
|
|
535 |
/**
|
|
536 |
* Invoked when a mouse button is pressed on the menu and then dragged.
|
|
537 |
* Delegates the mouse event to the MenuSelectionManager.
|
|
538 |
*
|
|
539 |
* @param e the mouse event
|
|
540 |
* @see java.awt.event.MouseMotionListener#mouseDragged
|
|
541 |
*/
|
|
542 |
public void mouseDragged(MouseEvent e) {
|
|
543 |
JMenu menu = (JMenu)menuItem;
|
|
544 |
if (!menu.isEnabled())
|
|
545 |
return;
|
|
546 |
MenuSelectionManager.defaultManager().processMouseEvent(e);
|
|
547 |
}
|
|
548 |
public void mouseMoved(MouseEvent e) {
|
|
549 |
}
|
|
550 |
|
|
551 |
|
|
552 |
//
|
|
553 |
// MenuDragHandler
|
|
554 |
//
|
|
555 |
public void menuDragMouseEntered(MenuDragMouseEvent e) {}
|
|
556 |
public void menuDragMouseDragged(MenuDragMouseEvent e) {
|
|
557 |
if (menuItem.isEnabled() == false)
|
|
558 |
return;
|
|
559 |
|
|
560 |
MenuSelectionManager manager = e.getMenuSelectionManager();
|
|
561 |
MenuElement path[] = e.getPath();
|
|
562 |
|
|
563 |
Point p = e.getPoint();
|
|
564 |
if(p.x >= 0 && p.x < menuItem.getWidth() &&
|
|
565 |
p.y >= 0 && p.y < menuItem.getHeight()) {
|
|
566 |
JMenu menu = (JMenu)menuItem;
|
|
567 |
MenuElement selectedPath[] = manager.getSelectedPath();
|
|
568 |
if(!(selectedPath.length > 0 &&
|
|
569 |
selectedPath[selectedPath.length-1] ==
|
|
570 |
menu.getPopupMenu())) {
|
|
571 |
if(menu.isTopLevelMenu() ||
|
|
572 |
menu.getDelay() == 0 ||
|
|
573 |
e.getID() == MouseEvent.MOUSE_DRAGGED) {
|
|
574 |
appendPath(path, menu.getPopupMenu());
|
|
575 |
} else {
|
|
576 |
manager.setSelectedPath(path);
|
|
577 |
setupPostTimer(menu);
|
|
578 |
}
|
|
579 |
}
|
|
580 |
} else if(e.getID() == MouseEvent.MOUSE_RELEASED) {
|
|
581 |
Component comp = manager.componentForPoint(e.getComponent(), e.getPoint());
|
|
582 |
if (comp == null)
|
|
583 |
manager.clearSelectedPath();
|
|
584 |
}
|
|
585 |
|
|
586 |
}
|
|
587 |
public void menuDragMouseExited(MenuDragMouseEvent e) {}
|
|
588 |
public void menuDragMouseReleased(MenuDragMouseEvent e) {}
|
|
589 |
|
|
590 |
|
|
591 |
//
|
|
592 |
// MenuKeyListener
|
|
593 |
//
|
|
594 |
/**
|
|
595 |
* Open the Menu
|
|
596 |
*/
|
|
597 |
public void menuKeyTyped(MenuKeyEvent e) {
|
|
598 |
if (!crossMenuMnemonic && BasicPopupMenuUI.getLastPopup() != null) {
|
|
599 |
// when crossMenuMnemonic is not set, we don't open a toplevel
|
|
600 |
// menu if another toplevel menu is already open
|
|
601 |
return;
|
|
602 |
}
|
|
603 |
|
|
604 |
char key = Character.toLowerCase((char)menuItem.getMnemonic());
|
|
605 |
MenuElement path[] = e.getPath();
|
|
606 |
MenuSelectionManager manager = e.getMenuSelectionManager();
|
|
607 |
if (key == Character.toLowerCase(e.getKeyChar())) {
|
|
608 |
JPopupMenu popupMenu = ((JMenu)menuItem).getPopupMenu();
|
|
609 |
ArrayList newList = new ArrayList(Arrays.asList(path));
|
|
610 |
newList.add(popupMenu);
|
|
611 |
MenuElement subs[] = popupMenu.getSubElements();
|
|
612 |
MenuElement sub =
|
|
613 |
BasicPopupMenuUI.findEnabledChild(subs, -1, true);
|
|
614 |
if(sub != null) {
|
|
615 |
newList.add(sub);
|
|
616 |
}
|
|
617 |
MenuElement newPath[] = new MenuElement[0];;
|
|
618 |
newPath = (MenuElement[]) newList.toArray(newPath);
|
|
619 |
manager.setSelectedPath(newPath);
|
|
620 |
e.consume();
|
|
621 |
} else if (((JMenu)menuItem).isTopLevelMenu()
|
|
622 |
&& BasicPopupMenuUI.getLastPopup() == null) {
|
|
623 |
manager.clearSelectedPath();
|
|
624 |
}
|
|
625 |
}
|
|
626 |
|
|
627 |
public void menuKeyPressed(MenuKeyEvent e) {}
|
|
628 |
public void menuKeyReleased(MenuKeyEvent e) {}
|
|
629 |
}
|
|
630 |
}
|