J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005-2007 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 | package sun.awt.X11; |
| 26 | |
| 27 | import java.awt.*; |
| 28 | import java.awt.peer.*; |
| 29 | import java.awt.event.*; |
| 30 | import java.awt.image.ColorModel; |
| 31 | |
| 32 | import sun.awt.*; |
| 33 | |
| 34 | import java.util.ArrayList; |
| 35 | import java.util.Vector; |
| 36 | import java.util.logging.*; |
| 37 | import sun.java2d.SurfaceData; |
| 38 | import sun.java2d.SunGraphics2D; |
| 39 | |
| 40 | /** |
| 41 | * The abstract class XBaseMenuWindow is the superclass |
| 42 | * of all menu windows. |
| 43 | */ |
| 44 | abstract public class XBaseMenuWindow extends XWindow { |
| 45 | |
| 46 | /************************************************ |
| 47 | * |
| 48 | * Data members |
| 49 | * |
| 50 | ************************************************/ |
| 51 | |
| 52 | private static Logger log = Logger.getLogger("sun.awt.X11.XBaseMenuWindow"); |
| 53 | |
| 54 | /* |
| 55 | * Colors are calculated using MotifColorUtilities class |
| 56 | * from backgroundColor and are contained in these vars. |
| 57 | */ |
| 58 | private Color backgroundColor; |
| 59 | private Color foregroundColor; |
| 60 | private Color lightShadowColor; |
| 61 | private Color darkShadowColor; |
| 62 | private Color selectedColor; |
| 63 | private Color disabledColor; |
| 64 | |
| 65 | /** |
| 66 | * Array of items. |
| 67 | */ |
| 68 | private ArrayList<XMenuItemPeer> items; |
| 69 | |
| 70 | /** |
| 71 | * Index of selected item in array of items |
| 72 | */ |
| 73 | private int selectedIndex = -1; |
| 74 | |
| 75 | /** |
| 76 | * Specifies currently showing submenu. |
| 77 | */ |
| 78 | private XMenuPeer showingSubmenu = null; |
| 79 | |
| 80 | /** |
| 81 | * Static synchronizational object. |
| 82 | * Following operations should be synchronized |
| 83 | * using this object: |
| 84 | * 1. Access to items vector |
| 85 | * 2. Access to selection |
| 86 | * 3. Access to showing menu window member |
| 87 | * |
| 88 | * This is lowest level lock, |
| 89 | * no other locks should be taken when |
| 90 | * thread own this lock. |
| 91 | */ |
| 92 | static private Object menuTreeLock = new Object(); |
| 93 | |
| 94 | /************************************************ |
| 95 | * |
| 96 | * Event processing |
| 97 | * |
| 98 | ************************************************/ |
| 99 | |
| 100 | /** |
| 101 | * If mouse button is clicked on item showing submenu |
| 102 | * we have to hide its submenu. |
| 103 | * And if mouse button is pressed on such item and |
| 104 | * dragged to another, getShowingSubmenu() is changed. |
| 105 | * So this member saves the item that the user |
| 106 | * presses mouse button on _only_ if it's showing submenu. |
| 107 | */ |
| 108 | private XMenuPeer showingMousePressedSubmenu = null; |
| 109 | |
| 110 | /** |
| 111 | * If the PopupMenu is invoked as a result of right button click |
| 112 | * first mouse event after grabInput would be MouseReleased. |
| 113 | * We need to check if the user has moved mouse after input grab. |
| 114 | * If yes - hide the PopupMenu. If no - do nothing |
| 115 | */ |
| 116 | protected Point grabInputPoint = null; |
| 117 | protected boolean hasPointerMoved = false; |
| 118 | |
| 119 | /************************************************ |
| 120 | * |
| 121 | * Mapping data |
| 122 | * |
| 123 | ************************************************/ |
| 124 | |
| 125 | /** |
| 126 | * Mapping data that is filled in getMappedItems function |
| 127 | * and reset in resetSize function. It contains array of |
| 128 | * items in order that they appear on screen and may contain |
| 129 | * additional data defined by descendants. |
| 130 | */ |
| 131 | private MappingData mappingData; |
| 132 | |
| 133 | static class MappingData implements Cloneable { |
| 134 | |
| 135 | /** |
| 136 | * Array of item in order that they appear on screen |
| 137 | */ |
| 138 | private XMenuItemPeer[] items; |
| 139 | |
| 140 | /** |
| 141 | * Constructs MappingData object with list |
| 142 | * of menu items |
| 143 | */ |
| 144 | MappingData(XMenuItemPeer[] items) { |
| 145 | this.items = items; |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Constructs MappingData without items |
| 150 | * This constructor should be used in case of errors |
| 151 | */ |
| 152 | MappingData() { |
| 153 | this.items = new XMenuItemPeer[0]; |
| 154 | } |
| 155 | |
| 156 | public Object clone() { |
| 157 | try { |
| 158 | return super.clone(); |
| 159 | } catch (CloneNotSupportedException ex) { |
| 160 | throw new InternalError(); |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | public XMenuItemPeer[] getItems() { |
| 165 | return this.items; |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | /************************************************ |
| 170 | * |
| 171 | * Construction |
| 172 | * |
| 173 | ************************************************/ |
| 174 | XBaseMenuWindow() { |
| 175 | super(new XCreateWindowParams(new Object[] { |
| 176 | DELAYED, Boolean.TRUE})); |
| 177 | } |
| 178 | |
| 179 | /************************************************ |
| 180 | * |
| 181 | * Abstract methods |
| 182 | * |
| 183 | ************************************************/ |
| 184 | |
| 185 | /** |
| 186 | * Returns parent menu window (not the X-heirarchy parent window) |
| 187 | */ |
| 188 | protected abstract XBaseMenuWindow getParentMenuWindow(); |
| 189 | |
| 190 | /** |
| 191 | * Performs mapping of items in window. |
| 192 | * This function creates and fills specific |
| 193 | * descendant of MappingData |
| 194 | * and sets mapping coordinates of items |
| 195 | * This function should return default menu data |
| 196 | * if errors occur |
| 197 | */ |
| 198 | protected abstract MappingData map(); |
| 199 | |
| 200 | /** |
| 201 | * Calculates placement of submenu window |
| 202 | * given bounds of item with submenu and |
| 203 | * size of submenu window. Returns suggested |
| 204 | * rectangle for submenu window in global coordinates |
| 205 | * @param itemBounds the bounding rectangle of item |
| 206 | * in local coordinates |
| 207 | * @param windowSize the desired size of submenu's window |
| 208 | */ |
| 209 | protected abstract Rectangle getSubmenuBounds(Rectangle itemBounds, Dimension windowSize); |
| 210 | |
| 211 | |
| 212 | /** |
| 213 | * This function is to be called if it's likely that size |
| 214 | * of items was changed. It can be called from any thread |
| 215 | * in any locked state, so it should not take locks |
| 216 | */ |
| 217 | protected abstract void updateSize(); |
| 218 | |
| 219 | /************************************************ |
| 220 | * |
| 221 | * Initialization |
| 222 | * |
| 223 | ************************************************/ |
| 224 | |
| 225 | /** |
| 226 | * Overrides XBaseWindow.instantPreInit |
| 227 | */ |
| 228 | void instantPreInit(XCreateWindowParams params) { |
| 229 | super.instantPreInit(params); |
| 230 | items = new ArrayList(); |
| 231 | } |
| 232 | |
| 233 | /************************************************ |
| 234 | * |
| 235 | * General-purpose functions |
| 236 | * |
| 237 | ************************************************/ |
| 238 | |
| 239 | /** |
| 240 | * Returns static lock used for menus |
| 241 | */ |
| 242 | static Object getMenuTreeLock() { |
| 243 | return menuTreeLock; |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * This function is called to clear all saved |
| 248 | * size data. |
| 249 | */ |
| 250 | protected void resetMapping() { |
| 251 | mappingData = null; |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Invokes repaint procedure on eventHandlerThread |
| 256 | */ |
| 257 | void postPaintEvent() { |
| 258 | if (isShowing()) { |
| 259 | PaintEvent pe = new PaintEvent(target, PaintEvent.PAINT, |
| 260 | new Rectangle(0, 0, width, height)); |
| 261 | postEvent(pe); |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | /************************************************ |
| 266 | * |
| 267 | * Utility functions for manipulating items |
| 268 | * |
| 269 | ************************************************/ |
| 270 | |
| 271 | /** |
| 272 | * Thread-safely returns item at specified index |
| 273 | * @param index the position of the item to be returned. |
| 274 | */ |
| 275 | XMenuItemPeer getItem(int index) { |
| 276 | if (index >= 0) { |
| 277 | synchronized(getMenuTreeLock()) { |
| 278 | if (items.size() > index) { |
| 279 | return items.get(index); |
| 280 | } |
| 281 | } |
| 282 | } |
| 283 | return null; |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * Thread-safely creates a copy of the items vector |
| 288 | */ |
| 289 | XMenuItemPeer[] copyItems() { |
| 290 | synchronized(getMenuTreeLock()) { |
| 291 | return (XMenuItemPeer[])items.toArray(new XMenuItemPeer[] {}); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | |
| 296 | /** |
| 297 | * Thread-safely returns selected item |
| 298 | */ |
| 299 | XMenuItemPeer getSelectedItem() { |
| 300 | synchronized(getMenuTreeLock()) { |
| 301 | if (selectedIndex >= 0) { |
| 302 | if (items.size() > selectedIndex) { |
| 303 | return items.get(selectedIndex); |
| 304 | } |
| 305 | } |
| 306 | return null; |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * Returns showing submenu, if any |
| 312 | */ |
| 313 | XMenuPeer getShowingSubmenu() { |
| 314 | synchronized(getMenuTreeLock()) { |
| 315 | return showingSubmenu; |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | /** |
| 320 | * Adds item to end of items vector. |
| 321 | * Note that this function does not perform |
| 322 | * check for adding duplicate items |
| 323 | * @param item item to add |
| 324 | */ |
| 325 | public void addItem(MenuItem item) { |
| 326 | XMenuItemPeer mp = (XMenuItemPeer)item.getPeer(); |
| 327 | if (mp != null) { |
| 328 | mp.setContainer(this); |
| 329 | synchronized(getMenuTreeLock()) { |
| 330 | items.add(mp); |
| 331 | } |
| 332 | } else { |
| 333 | if (log.isLoggable(Level.FINE)) { |
| 334 | log.fine("WARNING: Attempt to add menu item without a peer"); |
| 335 | } |
| 336 | } |
| 337 | updateSize(); |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * Removes item at the specified index from items vector. |
| 342 | * @param index the position of the item to be removed |
| 343 | */ |
| 344 | public void delItem(int index) { |
| 345 | synchronized(getMenuTreeLock()) { |
| 346 | if (selectedIndex == index) { |
| 347 | selectItem(null, false); |
| 348 | } else if (selectedIndex > index) { |
| 349 | selectedIndex--; |
| 350 | } |
| 351 | if (index < items.size()) { |
| 352 | items.remove(index); |
| 353 | } else { |
| 354 | if (log.isLoggable(Level.FINE)) { |
| 355 | log.fine("WARNING: Attempt to remove non-existing menu item, index : " + index + ", item count : " + items.size()); |
| 356 | } |
| 357 | } |
| 358 | } |
| 359 | updateSize(); |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * Clears items vector and loads specified vector |
| 364 | * @param items vector to be loaded |
| 365 | */ |
| 366 | public void reloadItems(Vector items) { |
| 367 | synchronized(getMenuTreeLock()) { |
| 368 | this.items.clear(); |
| 369 | MenuItem[] itemArray = (MenuItem[])items.toArray(new MenuItem[] {}); |
| 370 | int itemCnt = itemArray.length; |
| 371 | for(int i = 0; i < itemCnt; i++) { |
| 372 | addItem(itemArray[i]); |
| 373 | } |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | /** |
| 378 | * Select specified item and shows/hides submenus if necessary |
| 379 | * We can not select by index, so we need to select by ref. |
| 380 | * @param item the item to be selected, null to clear selection |
| 381 | * @param showWindowIfMenu if the item is XMenuPeer then its |
| 382 | * window is shown/hidden according to this param. |
| 383 | */ |
| 384 | void selectItem(XMenuItemPeer item, boolean showWindowIfMenu) { |
| 385 | synchronized(getMenuTreeLock()) { |
| 386 | XMenuPeer showingSubmenu = getShowingSubmenu(); |
| 387 | int newSelectedIndex = (item != null) ? items.indexOf(item) : -1; |
| 388 | if (this.selectedIndex != newSelectedIndex) { |
| 389 | if (log.isLoggable(Level.FINEST)) { |
| 390 | log.finest("Selected index changed, was : " + this.selectedIndex + ", new : " + newSelectedIndex); |
| 391 | } |
| 392 | this.selectedIndex = newSelectedIndex; |
| 393 | postPaintEvent(); |
| 394 | } |
| 395 | final XMenuPeer submenuToShow = (showWindowIfMenu && (item instanceof XMenuPeer)) ? (XMenuPeer)item : null; |
| 396 | if (submenuToShow != showingSubmenu) { |
| 397 | XToolkit.executeOnEventHandlerThread(target, new Runnable() { |
| 398 | public void run() { |
| 399 | doShowSubmenu(submenuToShow); |
| 400 | } |
| 401 | }); |
| 402 | } |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * Performs hiding of currently showing submenu |
| 408 | * and showing of submenuToShow. |
| 409 | * This function should be executed on eventHandlerThread |
| 410 | * @param submenuToShow submenu to be shown or null |
| 411 | * to hide currently showing submenu |
| 412 | */ |
| 413 | private void doShowSubmenu(XMenuPeer submenuToShow) { |
| 414 | XMenuWindow menuWindowToShow = (submenuToShow != null) ? submenuToShow.getMenuWindow() : null; |
| 415 | Dimension dim = null; |
| 416 | Rectangle bounds = null; |
| 417 | //ensureCreated can invoke XWindowPeer.init() -> |
| 418 | //XWindowPeer.initGraphicsConfiguration() -> |
| 419 | //Window.getGraphicsConfiguration() |
| 420 | //that tries to obtain Component.AWTTreeLock. |
| 421 | //So it should be called outside awtLock() |
| 422 | if (menuWindowToShow != null) { |
| 423 | menuWindowToShow.ensureCreated(); |
| 424 | } |
| 425 | XToolkit.awtLock(); |
| 426 | try { |
| 427 | synchronized(getMenuTreeLock()) { |
| 428 | if (showingSubmenu != submenuToShow) { |
| 429 | if (log.isLoggable(Level.FINER)) { |
| 430 | log.finest("Changing showing submenu"); |
| 431 | } |
| 432 | if (showingSubmenu != null) { |
| 433 | XMenuWindow showingSubmenuWindow = showingSubmenu.getMenuWindow(); |
| 434 | if (showingSubmenuWindow != null) { |
| 435 | showingSubmenuWindow.hide(); |
| 436 | } |
| 437 | } |
| 438 | if (submenuToShow != null) { |
| 439 | dim = menuWindowToShow.getDesiredSize(); |
| 440 | bounds = menuWindowToShow.getParentMenuWindow().getSubmenuBounds(submenuToShow.getBounds(), dim); |
| 441 | menuWindowToShow.show(bounds); |
| 442 | } |
| 443 | showingSubmenu = submenuToShow; |
| 444 | } |
| 445 | } |
| 446 | } finally { |
| 447 | XToolkit.awtUnlock(); |
| 448 | } |
| 449 | } |
| 450 | |
| 451 | final void setItemsFont( Font font ) { |
| 452 | XMenuItemPeer[] items = copyItems(); |
| 453 | int itemCnt = items.length; |
| 454 | for (int i = 0; i < itemCnt; i++) { |
| 455 | items[i].setFont(font); |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | /************************************************ |
| 460 | * |
| 461 | * Utility functions for manipulating mapped items |
| 462 | * |
| 463 | ************************************************/ |
| 464 | |
| 465 | /** |
| 466 | * Returns array of mapped items, null if error |
| 467 | * This function has to be not synchronized |
| 468 | * and we have to guarantee that we return |
| 469 | * some MappingData to user. It's OK if |
| 470 | * this.mappingData is replaced meanwhile |
| 471 | */ |
| 472 | MappingData getMappingData() { |
| 473 | MappingData mappingData = this.mappingData; |
| 474 | if (mappingData == null) { |
| 475 | mappingData = map(); |
| 476 | this.mappingData = mappingData; |
| 477 | } |
| 478 | return (MappingData)mappingData.clone(); |
| 479 | } |
| 480 | |
| 481 | /** |
| 482 | * returns item thats mapped coordinates contain |
| 483 | * specified point, null of none. |
| 484 | * @param pt the point in this window's coordinate system |
| 485 | */ |
| 486 | XMenuItemPeer getItemFromPoint(Point pt) { |
| 487 | XMenuItemPeer[] items = getMappingData().getItems(); |
| 488 | int cnt = items.length; |
| 489 | for (int i = 0; i < cnt; i++) { |
| 490 | if (items[i].getBounds().contains(pt)) { |
| 491 | return items[i]; |
| 492 | } |
| 493 | } |
| 494 | return null; |
| 495 | } |
| 496 | |
| 497 | /** |
| 498 | * Returns first item after currently selected |
| 499 | * item that can be selected according to mapping array. |
| 500 | * (no separators and no disabled items). |
| 501 | * Currently selected item if it's only selectable, |
| 502 | * null if no item can be selected |
| 503 | */ |
| 504 | XMenuItemPeer getNextSelectableItem() { |
| 505 | XMenuItemPeer[] mappedItems = getMappingData().getItems(); |
| 506 | XMenuItemPeer selectedItem = getSelectedItem(); |
| 507 | int cnt = mappedItems.length; |
| 508 | //Find index of selected item |
| 509 | int selIdx = -1; |
| 510 | for (int i = 0; i < cnt; i++) { |
| 511 | if (mappedItems[i] == selectedItem) { |
| 512 | selIdx = i; |
| 513 | break; |
| 514 | } |
| 515 | } |
| 516 | int idx = (selIdx == cnt - 1) ? 0 : selIdx + 1; |
| 517 | //cycle through mappedItems to find selectable item |
| 518 | //beginning from the next item and moving to the |
| 519 | //beginning of array when end is reached. |
| 520 | //Cycle is finished on selected item itself |
| 521 | for (int i = 0; i < cnt; i++) { |
| 522 | XMenuItemPeer item = mappedItems[idx]; |
| 523 | if (!item.isSeparator() && item.isTargetItemEnabled()) { |
| 524 | return item; |
| 525 | } |
| 526 | idx++; |
| 527 | if (idx >= cnt) { |
| 528 | idx = 0; |
| 529 | } |
| 530 | } |
| 531 | //return null if no selectable item was found |
| 532 | return null; |
| 533 | } |
| 534 | |
| 535 | /** |
| 536 | * Returns first item before currently selected |
| 537 | * see getNextSelectableItem() for comments |
| 538 | */ |
| 539 | XMenuItemPeer getPrevSelectableItem() { |
| 540 | XMenuItemPeer[] mappedItems = getMappingData().getItems(); |
| 541 | XMenuItemPeer selectedItem = getSelectedItem(); |
| 542 | int cnt = mappedItems.length; |
| 543 | //Find index of selected item |
| 544 | int selIdx = -1; |
| 545 | for (int i = 0; i < cnt; i++) { |
| 546 | if (mappedItems[i] == selectedItem) { |
| 547 | selIdx = i; |
| 548 | break; |
| 549 | } |
| 550 | } |
| 551 | int idx = (selIdx <= 0) ? cnt - 1 : selIdx - 1; |
| 552 | //cycle through mappedItems to find selectable item |
| 553 | for (int i = 0; i < cnt; i++) { |
| 554 | XMenuItemPeer item = mappedItems[idx]; |
| 555 | if (!item.isSeparator() && item.isTargetItemEnabled()) { |
| 556 | return item; |
| 557 | } |
| 558 | idx--; |
| 559 | if (idx < 0) { |
| 560 | idx = cnt - 1; |
| 561 | } |
| 562 | } |
| 563 | //return null if no selectable item was found |
| 564 | return null; |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * Returns first selectable item |
| 569 | * This function is intended for clearing selection |
| 570 | */ |
| 571 | XMenuItemPeer getFirstSelectableItem() { |
| 572 | XMenuItemPeer[] mappedItems = getMappingData().getItems(); |
| 573 | int cnt = mappedItems.length; |
| 574 | for (int i = 0; i < cnt; i++) { |
| 575 | XMenuItemPeer item = mappedItems[i]; |
| 576 | if (!item.isSeparator() && item.isTargetItemEnabled()) { |
| 577 | return item; |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | return null; |
| 582 | } |
| 583 | |
| 584 | /************************************************ |
| 585 | * |
| 586 | * Utility functions for manipulating |
| 587 | * hierarchy of windows |
| 588 | * |
| 589 | ************************************************/ |
| 590 | |
| 591 | /** |
| 592 | * returns leaf menu window or |
| 593 | * this if no children are showing |
| 594 | */ |
| 595 | XBaseMenuWindow getShowingLeaf() { |
| 596 | synchronized(getMenuTreeLock()) { |
| 597 | XBaseMenuWindow leaf = this; |
| 598 | XMenuPeer leafchild = leaf.getShowingSubmenu(); |
| 599 | while (leafchild != null) { |
| 600 | leaf = leafchild.getMenuWindow(); |
| 601 | leafchild = leaf.getShowingSubmenu(); |
| 602 | } |
| 603 | return leaf; |
| 604 | } |
| 605 | } |
| 606 | |
| 607 | /** |
| 608 | * returns root menu window |
| 609 | * or this if this window is topmost |
| 610 | */ |
| 611 | XBaseMenuWindow getRootMenuWindow() { |
| 612 | synchronized(getMenuTreeLock()) { |
| 613 | XBaseMenuWindow t = this; |
| 614 | XBaseMenuWindow tparent = t.getParentMenuWindow(); |
| 615 | while (tparent != null) { |
| 616 | t = tparent; |
| 617 | tparent = t.getParentMenuWindow(); |
| 618 | } |
| 619 | return t; |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | /** |
| 624 | * Returns window that contains pt. |
| 625 | * search is started from leaf window |
| 626 | * to return first window in Z-order |
| 627 | * @param pt point in global coordinates |
| 628 | */ |
| 629 | XBaseMenuWindow getMenuWindowFromPoint(Point pt) { |
| 630 | synchronized(getMenuTreeLock()) { |
| 631 | XBaseMenuWindow t = getShowingLeaf(); |
| 632 | while (t != null) { |
| 633 | Rectangle r = new Rectangle(t.toGlobal(new Point(0, 0)), t.getSize()); |
| 634 | if (r.contains(pt)) { |
| 635 | return t; |
| 636 | } |
| 637 | t = t.getParentMenuWindow(); |
| 638 | } |
| 639 | return null; |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | /************************************************ |
| 644 | * |
| 645 | * Primitives for getSubmenuBounds |
| 646 | * |
| 647 | * These functions are invoked from getSubmenuBounds |
| 648 | * implementations in different order. They check if window |
| 649 | * of size windowSize fits to the specified edge of |
| 650 | * rectangle itemBounds on the screen of screenSize. |
| 651 | * Return rectangle that occupies the window if it fits or null. |
| 652 | * |
| 653 | ************************************************/ |
| 654 | |
| 655 | /** |
| 656 | * Checks if window fits below specified item |
| 657 | * returns rectangle that the window fits to or null. |
| 658 | * @param itemBounds rectangle of item in global coordinates |
| 659 | * @param windowSize size of submenu window to fit |
| 660 | * @param screenSize size of screen |
| 661 | */ |
| 662 | Rectangle fitWindowBelow(Rectangle itemBounds, Dimension windowSize, Dimension screenSize) { |
| 663 | int width = windowSize.width; |
| 664 | int height = windowSize.height; |
| 665 | //Fix for 6267162: PIT: Popup Menu gets hidden below the screen when opened |
| 666 | //near the periphery of the screen, XToolkit |
| 667 | //Window should be moved if it's outside top-left screen bounds |
| 668 | int x = (itemBounds.x > 0) ? itemBounds.x : 0; |
| 669 | int y = (itemBounds.y + itemBounds.height > 0) ? itemBounds.y + itemBounds.height : 0; |
| 670 | if (y + height <= screenSize.height) { |
| 671 | //move it to the left if needed |
| 672 | if (width > screenSize.width) { |
| 673 | width = screenSize.width; |
| 674 | } |
| 675 | if (x + width > screenSize.width) { |
| 676 | x = screenSize.width - width; |
| 677 | } |
| 678 | return new Rectangle(x, y, width, height); |
| 679 | } else { |
| 680 | return null; |
| 681 | } |
| 682 | } |
| 683 | |
| 684 | /** |
| 685 | * Checks if window fits above specified item |
| 686 | * returns rectangle that the window fits to or null. |
| 687 | * @param itemBounds rectangle of item in global coordinates |
| 688 | * @param windowSize size of submenu window to fit |
| 689 | * @param screenSize size of screen |
| 690 | */ |
| 691 | Rectangle fitWindowAbove(Rectangle itemBounds, Dimension windowSize, Dimension screenSize) { |
| 692 | int width = windowSize.width; |
| 693 | int height = windowSize.height; |
| 694 | //Fix for 6267162: PIT: Popup Menu gets hidden below the screen when opened |
| 695 | //near the periphery of the screen, XToolkit |
| 696 | //Window should be moved if it's outside bottom-left screen bounds |
| 697 | int x = (itemBounds.x > 0) ? itemBounds.x : 0; |
| 698 | int y = (itemBounds.y > screenSize.height) ? screenSize.height - height : itemBounds.y - height; |
| 699 | if (y >= 0) { |
| 700 | //move it to the left if needed |
| 701 | if (width > screenSize.width) { |
| 702 | width = screenSize.width; |
| 703 | } |
| 704 | if (x + width > screenSize.width) { |
| 705 | x = screenSize.width - width; |
| 706 | } |
| 707 | return new Rectangle(x, y, width, height); |
| 708 | } else { |
| 709 | return null; |
| 710 | } |
| 711 | } |
| 712 | |
| 713 | /** |
| 714 | * Checks if window fits to the right specified item |
| 715 | * returns rectangle that the window fits to or null. |
| 716 | * @param itemBounds rectangle of item in global coordinates |
| 717 | * @param windowSize size of submenu window to fit |
| 718 | * @param screenSize size of screen |
| 719 | */ |
| 720 | Rectangle fitWindowRight(Rectangle itemBounds, Dimension windowSize, Dimension screenSize) { |
| 721 | int width = windowSize.width; |
| 722 | int height = windowSize.height; |
| 723 | //Fix for 6267162: PIT: Popup Menu gets hidden below the screen when opened |
| 724 | //near the periphery of the screen, XToolkit |
| 725 | //Window should be moved if it's outside top-left screen bounds |
| 726 | int x = (itemBounds.x + itemBounds.width > 0) ? itemBounds.x + itemBounds.width : 0; |
| 727 | int y = (itemBounds.y > 0) ? itemBounds.y : 0; |
| 728 | if (x + width <= screenSize.width) { |
| 729 | //move it to the top if needed |
| 730 | if (height > screenSize.height) { |
| 731 | height = screenSize.height; |
| 732 | } |
| 733 | if (y + height > screenSize.height) { |
| 734 | y = screenSize.height - height; |
| 735 | } |
| 736 | return new Rectangle(x, y, width, height); |
| 737 | } else { |
| 738 | return null; |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | /** |
| 743 | * Checks if window fits to the left specified item |
| 744 | * returns rectangle that the window fits to or null. |
| 745 | * @param itemBounds rectangle of item in global coordinates |
| 746 | * @param windowSize size of submenu window to fit |
| 747 | * @param screenSize size of screen |
| 748 | */ |
| 749 | Rectangle fitWindowLeft(Rectangle itemBounds, Dimension windowSize, Dimension screenSize) { |
| 750 | int width = windowSize.width; |
| 751 | int height = windowSize.height; |
| 752 | //Fix for 6267162: PIT: Popup Menu gets hidden below the screen when opened |
| 753 | //near the periphery of the screen, XToolkit |
| 754 | //Window should be moved if it's outside top-right screen bounds |
| 755 | int x = (itemBounds.x < screenSize.width) ? itemBounds.x - width : screenSize.width - width; |
| 756 | int y = (itemBounds.y > 0) ? itemBounds.y : 0; |
| 757 | if (x >= 0) { |
| 758 | //move it to the top if needed |
| 759 | if (height > screenSize.height) { |
| 760 | height = screenSize.height; |
| 761 | } |
| 762 | if (y + height > screenSize.height) { |
| 763 | y = screenSize.height - height; |
| 764 | } |
| 765 | return new Rectangle(x, y, width, height); |
| 766 | } else { |
| 767 | return null; |
| 768 | } |
| 769 | } |
| 770 | |
| 771 | /** |
| 772 | * The last thing we can do with the window |
| 773 | * to fit it on screen - move it to the |
| 774 | * top-left edge and cut by screen dimensions |
| 775 | * @param windowSize size of submenu window to fit |
| 776 | * @param screenSize size of screen |
| 777 | */ |
| 778 | Rectangle fitWindowToScreen(Dimension windowSize, Dimension screenSize) { |
| 779 | int width = (windowSize.width < screenSize.width) ? windowSize.width : screenSize.width; |
| 780 | int height = (windowSize.height < screenSize.height) ? windowSize.height : screenSize.height; |
| 781 | return new Rectangle(0, 0, width, height); |
| 782 | } |
| 783 | |
| 784 | |
| 785 | /************************************************ |
| 786 | * |
| 787 | * Utility functions for manipulating colors |
| 788 | * |
| 789 | ************************************************/ |
| 790 | |
| 791 | /** |
| 792 | * This function is called before every painting. |
| 793 | * TODO:It would be better to add PropertyChangeListener |
| 794 | * to target component |
| 795 | * TODO:It would be better to access background color |
| 796 | * not invoking user-overridable function |
| 797 | */ |
| 798 | void resetColors() { |
| 799 | replaceColors((target == null) ? SystemColor.window : target.getBackground()); |
| 800 | } |
| 801 | |
| 802 | /** |
| 803 | * Calculates colors of various elements given |
| 804 | * background color. Uses MotifColorUtilities |
| 805 | * @param backgroundColor the color of menu window's |
| 806 | * background. |
| 807 | */ |
| 808 | void replaceColors(Color backgroundColor) { |
| 809 | if (backgroundColor != this.backgroundColor) { |
| 810 | this.backgroundColor = backgroundColor; |
| 811 | |
| 812 | int red = backgroundColor.getRed(); |
| 813 | int green = backgroundColor.getGreen(); |
| 814 | int blue = backgroundColor.getBlue(); |
| 815 | |
| 816 | foregroundColor = new Color(MotifColorUtilities.calculateForegroundFromBackground(red,green,blue)); |
| 817 | lightShadowColor = new Color(MotifColorUtilities.calculateTopShadowFromBackground(red,green,blue)); |
| 818 | darkShadowColor = new Color(MotifColorUtilities.calculateBottomShadowFromBackground(red,green,blue)); |
| 819 | selectedColor = new Color(MotifColorUtilities.calculateSelectFromBackground(red,green,blue)); |
| 820 | disabledColor = (backgroundColor.equals(Color.BLACK)) ? foregroundColor.darker() : backgroundColor.darker(); |
| 821 | } |
| 822 | } |
| 823 | |
| 824 | Color getBackgroundColor() { |
| 825 | return backgroundColor; |
| 826 | } |
| 827 | |
| 828 | Color getForegroundColor() { |
| 829 | return foregroundColor; |
| 830 | } |
| 831 | |
| 832 | Color getLightShadowColor() { |
| 833 | return lightShadowColor; |
| 834 | } |
| 835 | |
| 836 | Color getDarkShadowColor() { |
| 837 | return darkShadowColor; |
| 838 | } |
| 839 | |
| 840 | Color getSelectedColor() { |
| 841 | return selectedColor; |
| 842 | } |
| 843 | |
| 844 | Color getDisabledColor() { |
| 845 | return disabledColor; |
| 846 | } |
| 847 | |
| 848 | /************************************************ |
| 849 | * |
| 850 | * Painting utility functions |
| 851 | * |
| 852 | ************************************************/ |
| 853 | |
| 854 | /** |
| 855 | * Draws raised or sunken rectangle on specified graphics |
| 856 | * @param g the graphics on which to draw |
| 857 | * @param x the coordinate of left edge in coordinates of graphics |
| 858 | * @param y the coordinate of top edge in coordinates of graphics |
| 859 | * @param width the width of rectangle |
| 860 | * @param height the height of rectangle |
| 861 | * @param raised true to draw raised rectangle, false to draw sunken |
| 862 | */ |
| 863 | void draw3DRect(Graphics g, int x, int y, int width, int height, boolean raised) { |
| 864 | if ((width <= 0) || (height <= 0)) { |
| 865 | return; |
| 866 | } |
| 867 | Color c = g.getColor(); |
| 868 | g.setColor(raised ? getLightShadowColor() : getDarkShadowColor()); |
| 869 | g.drawLine(x, y, x, y + height - 1); |
| 870 | g.drawLine(x + 1, y, x + width - 1, y); |
| 871 | g.setColor(raised ? getDarkShadowColor() : getLightShadowColor()); |
| 872 | g.drawLine(x + 1, y + height - 1, x + width - 1, y + height - 1); |
| 873 | g.drawLine(x + width - 1, y + 1, x + width - 1, y + height - 1); |
| 874 | g.setColor(c); |
| 875 | } |
| 876 | |
| 877 | /************************************************ |
| 878 | * |
| 879 | * Overriden utility functions of XWindow |
| 880 | * |
| 881 | ************************************************/ |
| 882 | |
| 883 | /** |
| 884 | * Filters X events |
| 885 | */ |
| 886 | protected boolean isEventDisabled(XEvent e) { |
| 887 | switch (e.get_type()) { |
| 888 | case XlibWrapper.Expose : |
| 889 | case XlibWrapper.GraphicsExpose : |
| 890 | case XlibWrapper.ButtonPress: |
| 891 | case XlibWrapper.ButtonRelease: |
| 892 | case XlibWrapper.MotionNotify: |
| 893 | case XlibWrapper.KeyPress: |
| 894 | case XlibWrapper.KeyRelease: |
| 895 | case XlibWrapper.DestroyNotify: |
| 896 | return super.isEventDisabled(e); |
| 897 | default: |
| 898 | return true; |
| 899 | } |
| 900 | } |
| 901 | |
| 902 | /** |
| 903 | * Invokes disposal procedure on eventHandlerThread |
| 904 | */ |
| 905 | public void dispose() { |
| 906 | setDisposed(true); |
| 907 | EventQueue.invokeLater(new Runnable() { |
| 908 | public void run() { |
| 909 | doDispose(); |
| 910 | } |
| 911 | }); |
| 912 | } |
| 913 | |
| 914 | /** |
| 915 | * Performs disposal of menu window. |
| 916 | * Should be called only on eventHandlerThread |
| 917 | */ |
| 918 | protected void doDispose() { |
| 919 | xSetVisible(false); |
| 920 | SurfaceData oldData = surfaceData; |
| 921 | surfaceData = null; |
| 922 | if (oldData != null) { |
| 923 | oldData.invalidate(); |
| 924 | } |
| 925 | XToolkit.targetDisposedPeer(target, this); |
| 926 | destroy(); |
| 927 | } |
| 928 | |
| 929 | /** |
| 930 | * Invokes event processing on eventHandlerThread |
| 931 | * This function needs to be overriden since |
| 932 | * XBaseMenuWindow has no corresponding component |
| 933 | * so events can not be processed using standart means |
| 934 | */ |
| 935 | void postEvent(final AWTEvent event) { |
| 936 | EventQueue.invokeLater(new Runnable() { |
| 937 | public void run() { |
| 938 | handleEvent(event); |
| 939 | } |
| 940 | }); |
| 941 | } |
| 942 | |
| 943 | /** |
| 944 | * The implementation of base window performs processing |
| 945 | * of paint events only. This behaviour is changed in |
| 946 | * descendants. |
| 947 | */ |
| 948 | protected void handleEvent(AWTEvent event) { |
| 949 | switch(event.getID()) { |
| 950 | case PaintEvent.PAINT: |
| 951 | doHandleJavaPaintEvent((PaintEvent)event); |
| 952 | break; |
| 953 | } |
| 954 | } |
| 955 | |
| 956 | /** |
| 957 | * Save location of pointer for further use |
| 958 | * then invoke superclass |
| 959 | */ |
| 960 | public boolean grabInput() { |
| 961 | int rootX; |
| 962 | int rootY; |
| 963 | boolean res; |
| 964 | XToolkit.awtLock(); |
| 965 | try { |
| 966 | long root = XlibWrapper.RootWindow(XToolkit.getDisplay(), |
| 967 | getScreenNumber()); |
| 968 | res = XlibWrapper.XQueryPointer(XToolkit.getDisplay(), root, |
| 969 | XlibWrapper.larg1, //root |
| 970 | XlibWrapper.larg2, //child |
| 971 | XlibWrapper.larg3, //root_x |
| 972 | XlibWrapper.larg4, //root_y |
| 973 | XlibWrapper.larg5, //child_x |
| 974 | XlibWrapper.larg6, //child_y |
| 975 | XlibWrapper.larg7);//mask |
| 976 | rootX = Native.getInt(XlibWrapper.larg3); |
| 977 | rootY = Native.getInt(XlibWrapper.larg4); |
| 978 | res &= super.grabInput(); |
| 979 | } finally { |
| 980 | XToolkit.awtUnlock(); |
| 981 | } |
| 982 | if (res) { |
| 983 | //Mouse pointer is on the same display |
| 984 | this.grabInputPoint = new Point(rootX, rootY); |
| 985 | this.hasPointerMoved = false; |
| 986 | } else { |
| 987 | this.grabInputPoint = null; |
| 988 | this.hasPointerMoved = true; |
| 989 | } |
| 990 | return res; |
| 991 | } |
| 992 | /************************************************ |
| 993 | * |
| 994 | * Overridable event processing functions |
| 995 | * |
| 996 | ************************************************/ |
| 997 | |
| 998 | /** |
| 999 | * Performs repainting |
| 1000 | */ |
| 1001 | void doHandleJavaPaintEvent(PaintEvent event) { |
| 1002 | Rectangle rect = event.getUpdateRect(); |
| 1003 | repaint(rect.x, rect.y, rect.width, rect.height); |
| 1004 | } |
| 1005 | |
| 1006 | /************************************************ |
| 1007 | * |
| 1008 | * User input handling utility functions |
| 1009 | * |
| 1010 | ************************************************/ |
| 1011 | |
| 1012 | /** |
| 1013 | * Performs handling of java mouse event |
| 1014 | * Note that this function should be invoked |
| 1015 | * only from root of menu window's hierarchy |
| 1016 | * that grabs input focus |
| 1017 | */ |
| 1018 | void doHandleJavaMouseEvent( MouseEvent mouseEvent ) { |
| 1019 | if (!XToolkit.isLeftMouseButton(mouseEvent) && !XToolkit.isRightMouseButton(mouseEvent)) { |
| 1020 | return; |
| 1021 | } |
| 1022 | //Window that owns input |
| 1023 | XBaseWindow grabWindow = XAwtState.getGrabWindow(); |
| 1024 | //Point of mouse event in global coordinates |
| 1025 | Point ptGlobal = mouseEvent.getLocationOnScreen(); |
| 1026 | if (!hasPointerMoved) { |
| 1027 | //Fix for 6301307: NullPointerException while dispatching mouse events, XToolkit |
| 1028 | if (grabInputPoint == null || |
| 1029 | (Math.abs(ptGlobal.x - grabInputPoint.x) > getMouseMovementSmudge()) || |
| 1030 | (Math.abs(ptGlobal.y - grabInputPoint.y) > getMouseMovementSmudge())) { |
| 1031 | hasPointerMoved = true; |
| 1032 | } |
| 1033 | } |
| 1034 | //Z-order first descendant of current menu window |
| 1035 | //hierarchy that contain mouse point |
| 1036 | XBaseMenuWindow wnd = getMenuWindowFromPoint(ptGlobal); |
| 1037 | //Item in wnd that contains mouse point, if any |
| 1038 | XMenuItemPeer item = (wnd != null) ? wnd.getItemFromPoint(wnd.toLocal(ptGlobal)) : null; |
| 1039 | //Currently showing leaf window |
| 1040 | XBaseMenuWindow cwnd = getShowingLeaf(); |
| 1041 | switch (mouseEvent.getID()) { |
| 1042 | case MouseEvent.MOUSE_PRESSED: |
| 1043 | //This line is to get rid of possible problems |
| 1044 | //That may occur if mouse events are lost |
| 1045 | showingMousePressedSubmenu = null; |
| 1046 | if ((grabWindow == this) && (wnd == null)) { |
| 1047 | //Menus grab input and the user |
| 1048 | //presses mouse button outside |
| 1049 | ungrabInput(); |
| 1050 | } else { |
| 1051 | //Menus grab input OR mouse is pressed on menu window |
| 1052 | grabInput(); |
| 1053 | if (item != null && !item.isSeparator() && item.isTargetItemEnabled()) { |
| 1054 | //Button is pressed on enabled item |
| 1055 | if (wnd.getShowingSubmenu() == item) { |
| 1056 | //Button is pressed on item that shows |
| 1057 | //submenu. We have to hide its submenu |
| 1058 | //if user clicks on it |
| 1059 | showingMousePressedSubmenu = (XMenuPeer)item; |
| 1060 | } |
| 1061 | wnd.selectItem(item, true); |
| 1062 | } else { |
| 1063 | //Button is pressed on disabled item or empty space |
| 1064 | if (wnd != null) { |
| 1065 | wnd.selectItem(null, false); |
| 1066 | } |
| 1067 | } |
| 1068 | } |
| 1069 | break; |
| 1070 | case MouseEvent.MOUSE_RELEASED: |
| 1071 | //Note that if item is not null, wnd has to be not null |
| 1072 | if (item != null && !item.isSeparator() && item.isTargetItemEnabled()) { |
| 1073 | if (item instanceof XMenuPeer) { |
| 1074 | if (showingMousePressedSubmenu == item) { |
| 1075 | //User clicks on item that shows submenu. |
| 1076 | //Hide the submenu |
| 1077 | if (wnd instanceof XMenuBarPeer) { |
| 1078 | ungrabInput(); |
| 1079 | } else { |
| 1080 | wnd.selectItem(item, false); |
| 1081 | } |
| 1082 | } |
| 1083 | } else { |
| 1084 | //Invoke action event |
| 1085 | item.action(mouseEvent.getWhen()); |
| 1086 | ungrabInput(); |
| 1087 | } |
| 1088 | } else { |
| 1089 | //Mouse is released outside menu items |
| 1090 | if (hasPointerMoved || (wnd instanceof XMenuBarPeer)) { |
| 1091 | ungrabInput(); |
| 1092 | } |
| 1093 | } |
| 1094 | showingMousePressedSubmenu = null; |
| 1095 | break; |
| 1096 | case MouseEvent.MOUSE_DRAGGED: |
| 1097 | if (wnd != null) { |
| 1098 | //Mouse is dragged over menu window |
| 1099 | //Move selection to item under cursor |
| 1100 | if (item != null && !item.isSeparator() && item.isTargetItemEnabled()) { |
| 1101 | if (grabWindow == this){ |
| 1102 | wnd.selectItem(item, true); |
| 1103 | } |
| 1104 | } else { |
| 1105 | wnd.selectItem(null, false); |
| 1106 | } |
| 1107 | } else { |
| 1108 | //Mouse is dragged outside menu windows |
| 1109 | //clear selection in leaf to reflect it |
| 1110 | if (cwnd != null) { |
| 1111 | cwnd.selectItem(null, false); |
| 1112 | } |
| 1113 | } |
| 1114 | break; |
| 1115 | } |
| 1116 | } |
| 1117 | |
| 1118 | /** |
| 1119 | * Performs handling of java keyboard event |
| 1120 | * Note that this function should be invoked |
| 1121 | * only from root of menu window's hierarchy |
| 1122 | * that grabs input focus |
| 1123 | */ |
| 1124 | void doHandleJavaKeyEvent(KeyEvent event) { |
| 1125 | if (log.isLoggable(Level.FINER)) log.finer(event.toString()); |
| 1126 | if (event.getID() != KeyEvent.KEY_PRESSED) { |
| 1127 | return; |
| 1128 | } |
| 1129 | final int keyCode = event.getKeyCode(); |
| 1130 | XBaseMenuWindow cwnd = getShowingLeaf(); |
| 1131 | XMenuItemPeer citem = cwnd.getSelectedItem(); |
| 1132 | switch(keyCode) { |
| 1133 | case KeyEvent.VK_UP: |
| 1134 | case KeyEvent.VK_KP_UP: |
| 1135 | if (!(cwnd instanceof XMenuBarPeer)) { |
| 1136 | //If active window is not menu bar, |
| 1137 | //move selection up |
| 1138 | cwnd.selectItem(cwnd.getPrevSelectableItem(), false); |
| 1139 | } |
| 1140 | break; |
| 1141 | case KeyEvent.VK_DOWN: |
| 1142 | case KeyEvent.VK_KP_DOWN: |
| 1143 | if (cwnd instanceof XMenuBarPeer) { |
| 1144 | //If active window is menu bar show current submenu |
| 1145 | selectItem(getSelectedItem(), true); |
| 1146 | } else { |
| 1147 | //move selection down |
| 1148 | cwnd.selectItem(cwnd.getNextSelectableItem(), false); |
| 1149 | } |
| 1150 | break; |
| 1151 | case KeyEvent.VK_LEFT: |
| 1152 | case KeyEvent.VK_KP_LEFT: |
| 1153 | if (cwnd instanceof XMenuBarPeer) { |
| 1154 | //leaf window is menu bar |
| 1155 | //select previous item |
| 1156 | selectItem(getPrevSelectableItem(), false); |
| 1157 | } else if (cwnd.getParentMenuWindow() instanceof XMenuBarPeer) { |
| 1158 | //leaf window is direct child of menu bar |
| 1159 | //select previous item of menu bar |
| 1160 | //and show its submenu |
| 1161 | selectItem(getPrevSelectableItem(), true); |
| 1162 | } else { |
| 1163 | //hide leaf moving focus to its parent |
| 1164 | //(equvivalent of pressing ESC) |
| 1165 | XBaseMenuWindow pwnd = cwnd.getParentMenuWindow(); |
| 1166 | //Fix for 6272952: PIT: Pressing LEFT ARROW on a popup menu throws NullPointerException, XToolkit |
| 1167 | if (pwnd != null) { |
| 1168 | pwnd.selectItem(pwnd.getSelectedItem(), false); |
| 1169 | } |
| 1170 | } |
| 1171 | break; |
| 1172 | case KeyEvent.VK_RIGHT: |
| 1173 | case KeyEvent.VK_KP_RIGHT: |
| 1174 | if (cwnd instanceof XMenuBarPeer) { |
| 1175 | //leaf window is menu bar |
| 1176 | //select next item |
| 1177 | selectItem(getNextSelectableItem(), false); |
| 1178 | } else if (citem instanceof XMenuPeer) { |
| 1179 | //current item is menu, show its window |
| 1180 | //(equivalent of ENTER) |
| 1181 | cwnd.selectItem(citem, true); |
| 1182 | } else if (this instanceof XMenuBarPeer) { |
| 1183 | //if this is menu bar (not popup menu) |
| 1184 | //and the user presses RIGHT on item (not submenu) |
| 1185 | //select next top-level menu |
| 1186 | selectItem(getNextSelectableItem(), true); |
| 1187 | } |
| 1188 | break; |
| 1189 | case KeyEvent.VK_SPACE: |
| 1190 | case KeyEvent.VK_ENTER: |
| 1191 | //If the current item has submenu show it |
| 1192 | //Perform action otherwise |
| 1193 | if (citem instanceof XMenuPeer) { |
| 1194 | cwnd.selectItem(citem, true); |
| 1195 | } else if (citem != null) { |
| 1196 | citem.action(event.getWhen()); |
| 1197 | ungrabInput(); |
| 1198 | } |
| 1199 | break; |
| 1200 | case KeyEvent.VK_ESCAPE: |
| 1201 | //If current window is menu bar or its child - close it |
| 1202 | //If current window is popup menu - close it |
| 1203 | //go one level up otherwise |
| 1204 | |
| 1205 | //Fixed 6266513: Incorrect key handling in XAWT popup menu |
| 1206 | //Popup menu should be closed on 'ESC' |
| 1207 | if ((cwnd instanceof XMenuBarPeer) || (cwnd.getParentMenuWindow() instanceof XMenuBarPeer)) { |
| 1208 | ungrabInput(); |
| 1209 | } else if (cwnd instanceof XPopupMenuPeer) { |
| 1210 | ungrabInput(); |
| 1211 | } else { |
| 1212 | XBaseMenuWindow pwnd = cwnd.getParentMenuWindow(); |
| 1213 | pwnd.selectItem(pwnd.getSelectedItem(), false); |
| 1214 | } |
| 1215 | break; |
| 1216 | case KeyEvent.VK_F10: |
| 1217 | //Fixed 6266513: Incorrect key handling in XAWT popup menu |
| 1218 | //All menus should be closed on 'F10' |
| 1219 | ungrabInput(); |
| 1220 | break; |
| 1221 | default: |
| 1222 | break; |
| 1223 | } |
| 1224 | } |
| 1225 | |
| 1226 | } //class XBaseMenuWindow |