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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, 2010, 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 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 shortcutKey : shortcutKeys) { | |
| 127 | + windowInputMap.remove(KeyStroke.getKeyStroke | |
| 128 | + (lastMnemonic, shortcutKey, 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 shortcutKey : shortcutKeys) { | |
| 139 | + windowInputMap.put(KeyStroke.getKeyStroke(mnemonic, | |
| 140 | + shortcutKey, false), "selectMenu"); | |
| 141 | + } | |
| 142 | + } | |
| 143 | + lastMnemonic = mnemonic; | |
| 144 | + } | |
| 145 | + | |
| 146 | + protected void uninstallKeyboardActions() { | |
| 147 | + super.uninstallKeyboardActions(); | |
| 148 | + lastMnemonic = 0; | |
| 149 | + } | |
| 150 | + | |
| 151 | + protected MouseInputListener createMouseInputListener(JComponent c) { | |
| 152 | + return getHandler(); | |
| 153 | + } | |
| 154 | + | |
| 155 | + protected MenuListener createMenuListener(JComponent c) { | |
| 156 | + return null; | |
| 157 | + } | |
| 158 | + | |
| 159 | + protected ChangeListener createChangeListener(JComponent c) { | |
| 160 | + return null; | |
| 161 | + } | |
| 162 | + | |
| 163 | + protected PropertyChangeListener createPropertyChangeListener(JComponent c) { | |
| 164 | + return getHandler(); | |
| 165 | + } | |
| 166 | + | |
| 167 | + BasicMenuItemUI.Handler getHandler() { | |
| 168 | + if (handler == null) { | |
| 169 | + handler = new Handler(); | |
| 170 | + } | |
| 171 | + return handler; | |
| 172 | + } | |
| 173 | + | |
| 174 | + protected void uninstallDefaults() { | |
| 175 | + menuItem.setArmed(false); | |
| 176 | + menuItem.setSelected(false); | |
| 177 | + menuItem.resetKeyboardActions(); | |
| 178 | + super.uninstallDefaults(); | |
| 179 | + } | |
| 180 | + | |
| 181 | + protected void uninstallListeners() { | |
| 182 | + super.uninstallListeners(); | |
| 183 | + | |
| 184 | + if (changeListener != null) | |
| 185 | + menuItem.removeChangeListener(changeListener); | |
| 186 | + | |
| 187 | + if (menuListener != null) | |
| 188 | + ((JMenu)menuItem).removeMenuListener(menuListener); | |
| 189 | + | |
| 190 | + changeListener = null; | |
| 191 | + menuListener = null; | |
| 192 | + handler = null; | |
| 193 | + } | |
| 194 | + | |
| 195 | + protected MenuDragMouseListener createMenuDragMouseListener(JComponent c) { | |
| 196 | + return getHandler(); | |
| 197 | + } | |
| 198 | + | |
| 199 | + protected MenuKeyListener createMenuKeyListener(JComponent c) { | |
| 200 | + return (MenuKeyListener)getHandler(); | |
| 201 | + } | |
| 202 | + | |
| 203 | + public Dimension getMaximumSize(JComponent c) { | |
| 204 | + if (((JMenu)menuItem).isTopLevelMenu() == true) { | |
| 205 | + Dimension d = c.getPreferredSize(); | |
| 206 | + return new Dimension(d.width, Short.MAX_VALUE); | |
| 207 | + } | |
| 208 | + return null; | |
| 209 | + } | |
| 210 | + | |
| 211 | + protected void setupPostTimer(JMenu menu) { | |
| 212 | + Timer timer = new Timer(menu.getDelay(), new Actions( | |
| 213 | + Actions.SELECT, menu,false)); | |
| 214 | + timer.setRepeats(false); | |
| 215 | + timer.start(); | |
| 216 | + } | |
| 217 | + | |
| 218 | + private static void appendPath(MenuElement[] path, MenuElement elem) { | |
| 219 | + MenuElement newPath[] = new MenuElement[path.length+1]; | |
| 220 | + System.arraycopy(path, 0, newPath, 0, path.length); | |
| 221 | + newPath[path.length] = elem; | |
| 222 | + MenuSelectionManager.defaultManager().setSelectedPath(newPath); | |
| 223 | + } | |
| 224 | + | |
| 225 | + private static class Actions extends UIAction { | |
| 226 | + private static final String SELECT = "selectMenu"; | |
| 227 | + | |
| 228 | + // NOTE: This will be null if the action is registered in the | |
| 229 | + // ActionMap. For the timer use it will be non-null. | |
| 230 | + private JMenu menu; | |
| 231 | + private boolean force=false; | |
| 232 | + | |
| 233 | + Actions(String key, JMenu menu, boolean shouldForce) { | |
| 234 | + super(key); | |
| 235 | + this.menu = menu; | |
| 236 | + this.force = shouldForce; | |
| 237 | + } | |
| 238 | + | |
| 239 | + private JMenu getMenu(ActionEvent e) { | |
| 240 | + if (e.getSource() instanceof JMenu) { | |
| 241 | + return (JMenu)e.getSource(); | |
| 242 | + } | |
| 243 | + return menu; | |
| 244 | + } | |
| 245 | + | |
| 246 | + public void actionPerformed(ActionEvent e) { | |
| 247 | + JMenu menu = getMenu(e); | |
| 248 | + if (!crossMenuMnemonic) { | |
| 249 | + JPopupMenu pm = BasicPopupMenuUI.getLastPopup(); | |
| 250 | + if (pm != null && pm != menu.getParent()) { | |
| 251 | + return; | |
| 252 | + } | |
| 253 | + } | |
| 254 | + | |
| 255 | + final MenuSelectionManager defaultManager = MenuSelectionManager.defaultManager(); | |
| 256 | + if(force) { | |
| 257 | + Container cnt = menu.getParent(); | |
| 258 | + if(cnt != null && cnt instanceof JMenuBar) { | |
| 259 | + MenuElement me[]; | |
| 260 | + MenuElement subElements[]; | |
| 261 | + | |
| 262 | + subElements = menu.getPopupMenu().getSubElements(); | |
| 263 | + if(subElements.length > 0) { | |
| 264 | + me = new MenuElement[4]; | |
| 265 | + me[0] = (MenuElement) cnt; | |
| 266 | + me[1] = menu; | |
| 267 | + me[2] = menu.getPopupMenu(); | |
| 268 | + me[3] = subElements[0]; | |
| 269 | + } else { | |
| 270 | + me = new MenuElement[3]; | |
| 271 | + me[0] = (MenuElement)cnt; | |
| 272 | + me[1] = menu; | |
| 273 | + me[2] = menu.getPopupMenu(); | |
| 274 | + } | |
| 275 | + defaultManager.setSelectedPath(me); | |
| 276 | + } | |
| 277 | + } else { | |
| 278 | + MenuElement path[] = defaultManager.getSelectedPath(); | |
| 279 | + if(path.length > 0 && path[path.length-1] == menu) { | |
| 280 | + appendPath(path, menu.getPopupMenu()); | |
| 281 | + } | |
| 282 | + } | |
| 283 | + } | |
| 284 | + | |
| 285 | + public boolean isEnabled(Object c) { | |
| 286 | + if (c instanceof JMenu) { | |
| 287 | + return ((JMenu)c).isEnabled(); | |
| 288 | + } | |
| 289 | + return true; | |
| 290 | + } | |
| 291 | + } | |
| 292 | + | |
| 293 | + /* | |
| 294 | + * Set the background color depending on whether this is a toplevel menu | |
| 295 | + * in a menubar or a submenu of another menu. | |
| 296 | + */ | |
| 297 | + private void updateDefaultBackgroundColor() { | |
| 298 | + if (!UIManager.getBoolean("Menu.useMenuBarBackgroundForTopLevel")) { | |
| 299 | + return; | |
| 300 | + } | |
| 301 | + JMenu menu = (JMenu)menuItem; | |
| 302 | + if (menu.getBackground() instanceof UIResource) { | |
| 303 | + if (menu.isTopLevelMenu()) { | |
| 304 | + menu.setBackground(UIManager.getColor("MenuBar.background")); | |
| 305 | + } else { | |
| 306 | + menu.setBackground(UIManager.getColor(getPropertyPrefix() + ".background")); | |
| 307 | + } | |
| 308 | + } | |
| 309 | + } | |
| 310 | + | |
| 311 | + /** | |
| 312 | + * Instantiated and used by a menu item to handle the current menu selection | |
| 313 | + * from mouse events. A MouseInputHandler processes and forwards all mouse events | |
| 314 | + * to a shared instance of the MenuSelectionManager. | |
| 315 | + * <p> | |
| 316 | + * This class is protected so that it can be subclassed by other look and | |
| 317 | + * feels to implement their own mouse handling behavior. All overridden | |
| 318 | + * methods should call the parent methods so that the menu selection | |
| 319 | + * is correct. | |
| 320 | + * | |
| 321 | + * @see javax.swing.MenuSelectionManager | |
| 322 | + * @since 1.4 | |
| 323 | + */ | |
| 324 | + protected class MouseInputHandler implements MouseInputListener { | |
| 325 | + // NOTE: This class exists only for backward compatability. All | |
| 326 | + // its functionality has been moved into Handler. If you need to add | |
| 327 | + // new functionality add it to the Handler, but make sure this | |
| 328 | + // class calls into the Handler. | |
| 329 | + | |
| 330 | + public void mouseClicked(MouseEvent e) { | |
| 331 | + getHandler().mouseClicked(e); | |
| 332 | + } | |
| 333 | + | |
| 334 | + /** | |
| 335 | + * Invoked when the mouse has been clicked on the menu. This | |
| 336 | + * method clears or sets the selection path of the | |
| 337 | + * MenuSelectionManager. | |
| 338 | + * | |
| 339 | + * @param e the mouse event | |
| 340 | + */ | |
| 341 | + public void mousePressed(MouseEvent e) { | |
| 342 | + getHandler().mousePressed(e); | |
| 343 | + } | |
| 344 | + | |
| 345 | + /** | |
| 346 | + * Invoked when the mouse has been released on the menu. Delegates the | |
| 347 | + * mouse event to the MenuSelectionManager. | |
| 348 | + * | |
| 349 | + * @param e the mouse event | |
| 350 | + */ | |
| 351 | + public void mouseReleased(MouseEvent e) { | |
| 352 | + getHandler().mouseReleased(e); | |
| 353 | + } | |
| 354 | + | |
| 355 | + /** | |
| 356 | + * Invoked when the cursor enters the menu. This method sets the selected | |
| 357 | + * path for the MenuSelectionManager and handles the case | |
| 358 | + * in which a menu item is used to pop up an additional menu, as in a | |
| 359 | + * hierarchical menu system. | |
| 360 | + * | |
| 361 | + * @param e the mouse event; not used | |
| 362 | + */ | |
| 363 | + public void mouseEntered(MouseEvent e) { | |
| 364 | + getHandler().mouseEntered(e); | |
| 365 | + } | |
| 366 | + public void mouseExited(MouseEvent e) { | |
| 367 | + getHandler().mouseExited(e); | |
| 368 | + } | |
| 369 | + | |
| 370 | + /** | |
| 371 | + * Invoked when a mouse button is pressed on the menu and then dragged. | |
| 372 | + * Delegates the mouse event to the MenuSelectionManager. | |
| 373 | + * | |
| 374 | + * @param e the mouse event | |
| 375 | + * @see java.awt.event.MouseMotionListener#mouseDragged | |
| 376 | + */ | |
| 377 | + public void mouseDragged(MouseEvent e) { | |
| 378 | + getHandler().mouseDragged(e); | |
| 379 | + } | |
| 380 | + | |
| 381 | + public void mouseMoved(MouseEvent e) { | |
| 382 | + getHandler().mouseMoved(e); | |
| 383 | + } | |
| 384 | + } | |
| 385 | + | |
| 386 | + /** | |
| 387 | + * As of Java 2 platform 1.4, this previously undocumented class | |
| 388 | + * is now obsolete. KeyBindings are now managed by the popup menu. | |
| 389 | + */ | |
| 390 | + public class ChangeHandler implements ChangeListener { | |
| 391 | + public JMenu menu; | |
| 392 | + public BasicMenuUI ui; | |
| 393 | + public boolean isSelected = false; | |
| 394 | + public Component wasFocused; | |
| 395 | + | |
| 396 | + public ChangeHandler(JMenu m, BasicMenuUI ui) { | |
| 397 | + menu = m; | |
| 398 | + this.ui = ui; | |
| 399 | + } | |
| 400 | + | |
| 401 | + public void stateChanged(ChangeEvent e) { } | |
| 402 | + } | |
| 403 | + | |
| 404 | + private class Handler extends BasicMenuItemUI.Handler implements MenuKeyListener { | |
| 405 | + // | |
| 406 | + // PropertyChangeListener | |
| 407 | + // | |
| 408 | + public void propertyChange(PropertyChangeEvent e) { | |
| 409 | + if (e.getPropertyName() == AbstractButton. | |
| 410 | + MNEMONIC_CHANGED_PROPERTY) { | |
| 411 | + updateMnemonicBinding(); | |
| 412 | + } | |
| 413 | + else { | |
| 414 | + if (e.getPropertyName().equals("ancestor")) { | |
| 415 | + updateDefaultBackgroundColor(); | |
| 416 | + } | |
| 417 | + super.propertyChange(e); | |
| 418 | + } | |
| 419 | + } | |
| 420 | + | |
| 421 | + // | |
| 422 | + // MouseInputListener | |
| 423 | + // | |
| 424 | + public void mouseClicked(MouseEvent e) { | |
| 425 | + } | |
| 426 | + | |
| 427 | + /** | |
| 428 | + * Invoked when the mouse has been clicked on the menu. This | |
| 429 | + * method clears or sets the selection path of the | |
| 430 | + * MenuSelectionManager. | |
| 431 | + * | |
| 432 | + * @param e the mouse event | |
| 433 | + */ | |
| 434 | + public void mousePressed(MouseEvent e) { | |
| 435 | + JMenu menu = (JMenu)menuItem; | |
| 436 | + if (!menu.isEnabled()) | |
| 437 | + return; | |
| 438 | + | |
| 439 | + MenuSelectionManager manager = | |
| 440 | + MenuSelectionManager.defaultManager(); | |
| 441 | + if(menu.isTopLevelMenu()) { | |
| 442 | + if(menu.isSelected() && menu.getPopupMenu().isShowing()) { | |
| 443 | + manager.clearSelectedPath(); | |
| 444 | + } else { | |
| 445 | + Container cnt = menu.getParent(); | |
| 446 | + if(cnt != null && cnt instanceof JMenuBar) { | |
| 447 | + MenuElement me[] = new MenuElement[2]; | |
| 448 | + me[0]=(MenuElement)cnt; | |
| 449 | + me[1]=menu; | |
| 450 | + manager.setSelectedPath(me); | |
| 451 | + } | |
| 452 | + } | |
| 453 | + } | |
| 454 | + | |
| 455 | + MenuElement selectedPath[] = manager.getSelectedPath(); | |
| 456 | + if (selectedPath.length > 0 && | |
| 457 | + selectedPath[selectedPath.length-1] != menu.getPopupMenu()) { | |
| 458 | + | |
| 459 | + if(menu.isTopLevelMenu() || | |
| 460 | + menu.getDelay() == 0) { | |
| 461 | + appendPath(selectedPath, menu.getPopupMenu()); | |
| 462 | + } else { | |
| 463 | + setupPostTimer(menu); | |
| 464 | + } | |
| 465 | + } | |
| 466 | + } | |
| 467 | + | |
| 468 | + /** | |
| 469 | + * Invoked when the mouse has been released on the menu. Delegates the | |
| 470 | + * mouse event to the MenuSelectionManager. | |
| 471 | + * | |
| 472 | + * @param e the mouse event | |
| 473 | + */ | |
| 474 | + public void mouseReleased(MouseEvent e) { | |
| 475 | + JMenu menu = (JMenu)menuItem; | |
| 476 | + if (!menu.isEnabled()) | |
| 477 | + return; | |
| 478 | + MenuSelectionManager manager = | |
| 479 | + MenuSelectionManager.defaultManager(); | |
| 480 | + manager.processMouseEvent(e); | |
| 481 | + if (!e.isConsumed()) | |
| 482 | + manager.clearSelectedPath(); | |
| 483 | + } | |
| 484 | + | |
| 485 | + /** | |
| 486 | + * Invoked when the cursor enters the menu. This method sets the selected | |
| 487 | + * path for the MenuSelectionManager and handles the case | |
| 488 | + * in which a menu item is used to pop up an additional menu, as in a | |
| 489 | + * hierarchical menu system. | |
| 490 | + * | |
| 491 | + * @param e the mouse event; not used | |
| 492 | + */ | |
| 493 | + public void mouseEntered(MouseEvent e) { | |
| 494 | + JMenu menu = (JMenu)menuItem; | |
| 495 | + // only disable the menu highlighting if it's disabled and the property isn't | |
| 496 | + // true. This allows disabled rollovers to work in WinL&F | |
| 497 | + if (!menu.isEnabled() && !UIManager.getBoolean("MenuItem.disabledAreNavigable")) { | |
| 498 | + return; | |
| 499 | + } | |
| 500 | + | |
| 501 | + MenuSelectionManager manager = | |
| 502 | + MenuSelectionManager.defaultManager(); | |
| 503 | + MenuElement selectedPath[] = manager.getSelectedPath(); | |
| 504 | + if (!menu.isTopLevelMenu()) { | |
| 505 | + if(!(selectedPath.length > 0 && | |
| 506 | + selectedPath[selectedPath.length-1] == | |
| 507 | + menu.getPopupMenu())) { | |
| 508 | + if(menu.getDelay() == 0) { | |
| 509 | + appendPath(getPath(), menu.getPopupMenu()); | |
| 510 | + } else { | |
| 511 | + manager.setSelectedPath(getPath()); | |
| 512 | + setupPostTimer(menu); | |
| 513 | + } | |
| 514 | + } | |
| 515 | + } else { | |
| 516 | + if(selectedPath.length > 0 && | |
| 517 | + selectedPath[0] == menu.getParent()) { | |
| 518 | + MenuElement newPath[] = new MenuElement[3]; | |
| 519 | + // A top level menu's parent is by definition | |
| 520 | + // a JMenuBar | |
| 521 | + newPath[0] = (MenuElement)menu.getParent(); | |
| 522 | + newPath[1] = menu; | |
| 523 | + if (BasicPopupMenuUI.getLastPopup() != null) { | |
| 524 | + newPath[2] = menu.getPopupMenu(); | |
| 525 | + } | |
| 526 | + manager.setSelectedPath(newPath); | |
| 527 | + } | |
| 528 | + } | |
| 529 | + } | |
| 530 | + public void mouseExited(MouseEvent e) { | |
| 531 | + } | |
| 532 | + | |
| 533 | + /** | |
| 534 | + * Invoked when a mouse button is pressed on the menu and then dragged. | |
| 535 | + * Delegates the mouse event to the MenuSelectionManager. | |
| 536 | + * | |
| 537 | + * @param e the mouse event | |
| 538 | + * @see java.awt.event.MouseMotionListener#mouseDragged | |
| 539 | + */ | |
| 540 | + public void mouseDragged(MouseEvent e) { | |
| 541 | + JMenu menu = (JMenu)menuItem; | |
| 542 | + if (!menu.isEnabled()) | |
| 543 | + return; | |
| 544 | + MenuSelectionManager.defaultManager().processMouseEvent(e); | |
| 545 | + } | |
| 546 | + public void mouseMoved(MouseEvent e) { | |
| 547 | + } | |
| 548 | + | |
| 549 | + | |
| 550 | + // | |
| 551 | + // MenuDragHandler | |
| 552 | + // | |
| 553 | + public void menuDragMouseEntered(MenuDragMouseEvent e) {} | |
| 554 | + public void menuDragMouseDragged(MenuDragMouseEvent e) { | |
| 555 | + if (menuItem.isEnabled() == false) | |
| 556 | + return; | |
| 557 | + | |
| 558 | + MenuSelectionManager manager = e.getMenuSelectionManager(); | |
| 559 | + MenuElement path[] = e.getPath(); | |
| 560 | + | |
| 561 | + Point p = e.getPoint(); | |
| 562 | + if(p.x >= 0 && p.x < menuItem.getWidth() && | |
| 563 | + p.y >= 0 && p.y < menuItem.getHeight()) { | |
| 564 | + JMenu menu = (JMenu)menuItem; | |
| 565 | + MenuElement selectedPath[] = manager.getSelectedPath(); | |
| 566 | + if(!(selectedPath.length > 0 && | |
| 567 | + selectedPath[selectedPath.length-1] == | |
| 568 | + menu.getPopupMenu())) { | |
| 569 | + if(menu.isTopLevelMenu() || | |
| 570 | + menu.getDelay() == 0 || | |
| 571 | + e.getID() == MouseEvent.MOUSE_DRAGGED) { | |
| 572 | + appendPath(path, menu.getPopupMenu()); | |
| 573 | + } else { | |
| 574 | + manager.setSelectedPath(path); | |
| 575 | + setupPostTimer(menu); | |
| 576 | + } | |
| 577 | + } | |
| 578 | + } else if(e.getID() == MouseEvent.MOUSE_RELEASED) { | |
| 579 | + Component comp = manager.componentForPoint(e.getComponent(), e.getPoint()); | |
| 580 | + if (comp == null) | |
| 581 | + manager.clearSelectedPath(); | |
| 582 | + } | |
| 583 | + | |
| 584 | + } | |
| 585 | + public void menuDragMouseExited(MenuDragMouseEvent e) {} | |
| 586 | + public void menuDragMouseReleased(MenuDragMouseEvent e) {} | |
| 587 | + | |
| 588 | + // | |
| 589 | + // MenuKeyListener | |
| 590 | + // | |
| 591 | + /** | |
| 592 | + * Open the Menu | |
| 593 | + */ | |
| 594 | + public void menuKeyTyped(MenuKeyEvent e) { | |
| 595 | + if (!crossMenuMnemonic && BasicPopupMenuUI.getLastPopup() != null) { | |
| 596 | + // when crossMenuMnemonic is not set, we don't open a toplevel | |
| 597 | + // menu if another toplevel menu is already open | |
| 598 | + return; | |
| 599 | + } | |
| 600 | + | |
| 601 | + if (BasicPopupMenuUI.getPopups().size() != 0) { | |
| 602 | + //Fix 6939261: to return in case not on the main menu | |
| 603 | + //and has a pop-up. | |
| 604 | + //after return code will be handled in BasicPopupMenuUI.java | |
| 605 | + return; | |
| 606 | + } | |
| 607 | + | |
| 608 | + char key = Character.toLowerCase((char)menuItem.getMnemonic()); | |
| 609 | + MenuElement path[] = e.getPath(); | |
| 610 | + if (key == Character.toLowerCase(e.getKeyChar())) { | |
| 611 | + JPopupMenu popupMenu = ((JMenu)menuItem).getPopupMenu(); | |
| 612 | + ArrayList newList = new ArrayList(Arrays.asList(path)); | |
| 613 | + newList.add(popupMenu); | |
| 614 | + MenuElement subs[] = popupMenu.getSubElements(); | |
| 615 | + MenuElement sub = | |
| 616 | + BasicPopupMenuUI.findEnabledChild(subs, -1, true); | |
| 617 | + if(sub != null) { | |
| 618 | + newList.add(sub); | |
| 619 | + } | |
| 620 | + MenuSelectionManager manager = e.getMenuSelectionManager(); | |
| 621 | + MenuElement newPath[] = new MenuElement[0];; | |
| 622 | + newPath = (MenuElement[]) newList.toArray(newPath); | |
| 623 | + manager.setSelectedPath(newPath); | |
| 624 | + e.consume(); | |
| 625 | + } | |
| 626 | + } | |
| 627 | + | |
| 628 | + public void menuKeyPressed(MenuKeyEvent e) {} | |
| 629 | + public void menuKeyReleased(MenuKeyEvent e) {} | |
| 630 | + } | |
| 631 | +} | |