J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2002-2006 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 | package sun.awt.X11; |
| 26 | |
| 27 | import java.awt.*; |
| 28 | import java.awt.peer.*; |
| 29 | import java.awt.event.*; |
| 30 | |
| 31 | import java.awt.image.BufferedImage; |
| 32 | import java.awt.geom.Point2D; |
| 33 | |
| 34 | import java.util.Vector; |
| 35 | import java.util.logging.*; |
| 36 | |
| 37 | public class XMenuWindow extends XBaseMenuWindow { |
| 38 | |
| 39 | /************************************************ |
| 40 | * |
| 41 | * Data members |
| 42 | * |
| 43 | ************************************************/ |
| 44 | |
| 45 | private static Logger log = Logger.getLogger("sun.awt.X11.XMenuWindow"); |
| 46 | |
| 47 | /* |
| 48 | * Primary members |
| 49 | */ |
| 50 | private XMenuPeer menuPeer; |
| 51 | |
| 52 | /* |
| 53 | * dimension constants |
| 54 | */ |
| 55 | private final static int WINDOW_SPACING_LEFT = 2; |
| 56 | private final static int WINDOW_SPACING_RIGHT = 2; |
| 57 | private final static int WINDOW_SPACING_TOP = 2; |
| 58 | private final static int WINDOW_SPACING_BOTTOM = 2; |
| 59 | private final static int WINDOW_ITEM_INDENT = 15; |
| 60 | private final static int WINDOW_ITEM_MARGIN_LEFT = 2; |
| 61 | private final static int WINDOW_ITEM_MARGIN_RIGHT = 2; |
| 62 | private final static int WINDOW_ITEM_MARGIN_TOP = 2; |
| 63 | private final static int WINDOW_ITEM_MARGIN_BOTTOM = 2; |
| 64 | private final static int WINDOW_SHORTCUT_SPACING = 10; |
| 65 | |
| 66 | /* |
| 67 | * Checkmark |
| 68 | */ |
| 69 | private static final int CHECKMARK_SIZE = 128; |
| 70 | private static final int[] CHECKMARK_X = new int[] {1, 25,56,124,124,85, 64}; // X-coords |
| 71 | private static final int[] CHECKMARK_Y = new int[] {59,35,67, 0, 12,66,123}; // Y-coords |
| 72 | |
| 73 | /************************************************ |
| 74 | * |
| 75 | * Mapping data |
| 76 | * |
| 77 | ************************************************/ |
| 78 | |
| 79 | static class MappingData extends XBaseMenuWindow.MappingData { |
| 80 | /** |
| 81 | * Rectangle for the caption |
| 82 | * Necessary to fix 6267144: PIT: Popup menu label is not shown, XToolkit |
| 83 | */ |
| 84 | private Rectangle captionRect; |
| 85 | |
| 86 | /** |
| 87 | * Desired size of menu window |
| 88 | */ |
| 89 | private Dimension desiredSize; |
| 90 | |
| 91 | /** |
| 92 | * Width of largest checkmark |
| 93 | * At the same time the left origin |
| 94 | * of all item's text |
| 95 | */ |
| 96 | private int leftMarkWidth; |
| 97 | |
| 98 | /** |
| 99 | * Left origin of all shortcut labels |
| 100 | */ |
| 101 | private int shortcutOrigin; |
| 102 | |
| 103 | /** |
| 104 | * The origin of right mark |
| 105 | * (submenu's arrow) |
| 106 | */ |
| 107 | private int rightMarkOrigin; |
| 108 | |
| 109 | MappingData(XMenuItemPeer[] items, Rectangle captionRect, Dimension desiredSize, int leftMarkWidth, int shortcutOrigin, int rightMarkOrigin) { |
| 110 | super(items); |
| 111 | this.captionRect = captionRect; |
| 112 | this.desiredSize = desiredSize; |
| 113 | this.leftMarkWidth = leftMarkWidth; |
| 114 | this.shortcutOrigin = shortcutOrigin; |
| 115 | this.rightMarkOrigin = rightMarkOrigin; |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Constructs MappingData without items |
| 120 | * This constructor should be used in case of errors |
| 121 | */ |
| 122 | MappingData() { |
| 123 | this.desiredSize = new Dimension(0, 0); |
| 124 | this.leftMarkWidth = 0; |
| 125 | this.shortcutOrigin = 0; |
| 126 | this.rightMarkOrigin = 0; |
| 127 | } |
| 128 | |
| 129 | public Rectangle getCaptionRect() { |
| 130 | return this.captionRect; |
| 131 | } |
| 132 | |
| 133 | public Dimension getDesiredSize() { |
| 134 | return this.desiredSize; |
| 135 | } |
| 136 | |
| 137 | public int getShortcutOrigin() { |
| 138 | return this.shortcutOrigin; |
| 139 | } |
| 140 | |
| 141 | public int getLeftMarkWidth() { |
| 142 | return this.leftMarkWidth; |
| 143 | } |
| 144 | |
| 145 | public int getRightMarkOrigin() { |
| 146 | return this.rightMarkOrigin; |
| 147 | } |
| 148 | |
| 149 | } |
| 150 | |
| 151 | |
| 152 | /************************************************ |
| 153 | * |
| 154 | * Construction |
| 155 | * |
| 156 | ************************************************/ |
| 157 | |
| 158 | /** |
| 159 | * Constructs XMenuWindow for specified XMenuPeer |
| 160 | * null for XPopupMenuWindow |
| 161 | */ |
| 162 | XMenuWindow(XMenuPeer menuPeer) { |
| 163 | if (menuPeer != null) { |
| 164 | this.menuPeer = menuPeer; |
| 165 | this.target = menuPeer.getContainer().target; |
| 166 | // Get menus from the target. |
| 167 | Vector targetItemVector = null; |
| 168 | targetItemVector = getMenuTargetItems(); |
| 169 | reloadItems(targetItemVector); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | /************************************************ |
| 174 | * |
| 175 | * Initialization |
| 176 | * |
| 177 | ************************************************/ |
| 178 | /* |
| 179 | * Overriden initialization |
| 180 | */ |
| 181 | void postInit(XCreateWindowParams params) { |
| 182 | super.postInit(params); |
| 183 | //Fixed 6267182: PIT: Menu is not visible after |
| 184 | //showing and disposing a file dialog, XToolkit |
| 185 | //toFront() is called on every show |
| 186 | } |
| 187 | |
| 188 | /************************************************ |
| 189 | * |
| 190 | * Implementation of abstract methods |
| 191 | * |
| 192 | ************************************************/ |
| 193 | |
| 194 | /** |
| 195 | * @see XBaseMenuWindow.getParentMenuWindow() |
| 196 | */ |
| 197 | protected XBaseMenuWindow getParentMenuWindow() { |
| 198 | return (menuPeer != null) ? menuPeer.getContainer() : null; |
| 199 | } |
| 200 | |
| 201 | /** |
| 202 | * @see XBaseMenuWindow.map() |
| 203 | */ |
| 204 | protected MappingData map() { |
| 205 | //TODO:Implement popup-menu caption mapping and painting and tear-off |
| 206 | int itemCnt; |
| 207 | if (!isCreated()) { |
| 208 | MappingData mappingData = new MappingData(new XMenuItemPeer[0], new Rectangle(0, 0, 0, 0), new Dimension(0, 0), 0, 0, 0); |
| 209 | return mappingData; |
| 210 | } |
| 211 | XMenuItemPeer[] itemVector = copyItems(); |
| 212 | itemCnt = itemVector.length; |
| 213 | //We need maximum width of components before calculating item's bounds |
| 214 | Dimension captionSize = getCaptionSize(); |
| 215 | int maxWidth = (captionSize != null) ? captionSize.width : 0; |
| 216 | int maxLeftIndent = 0; |
| 217 | int maxRightIndent = 0; |
| 218 | int maxShortcutWidth = 0; |
| 219 | XMenuItemPeer.TextMetrics[] itemMetrics = new XMenuItemPeer.TextMetrics[itemCnt]; |
| 220 | for (int i = 0; i < itemCnt; i++) { |
| 221 | XMenuItemPeer item = itemVector[i]; |
| 222 | itemMetrics[i] = itemVector[i].getTextMetrics(); |
| 223 | Dimension dim = itemMetrics[i].getTextDimension(); |
| 224 | if (dim != null) { |
| 225 | if (itemVector[i] instanceof XCheckboxMenuItemPeer) { |
| 226 | maxLeftIndent = Math.max(maxLeftIndent, dim.height); |
| 227 | } else if (itemVector[i] instanceof XMenuPeer) { |
| 228 | maxRightIndent = Math.max(maxRightIndent, dim.height); |
| 229 | } |
| 230 | maxWidth = Math.max(maxWidth, dim.width); |
| 231 | maxShortcutWidth = Math.max(maxShortcutWidth, itemMetrics[i].getShortcutWidth()); |
| 232 | } |
| 233 | } |
| 234 | //Calculate bounds |
| 235 | int nextOffset = WINDOW_SPACING_TOP; |
| 236 | int shortcutOrigin = WINDOW_SPACING_LEFT + WINDOW_ITEM_MARGIN_LEFT + maxLeftIndent + maxWidth; |
| 237 | if (maxShortcutWidth > 0) { |
| 238 | shortcutOrigin = shortcutOrigin + WINDOW_SHORTCUT_SPACING; |
| 239 | } |
| 240 | int rightMarkOrigin = shortcutOrigin + maxShortcutWidth; |
| 241 | int itemWidth = rightMarkOrigin + maxRightIndent + WINDOW_ITEM_MARGIN_RIGHT; |
| 242 | int width = WINDOW_SPACING_LEFT + itemWidth + WINDOW_SPACING_RIGHT; |
| 243 | //Caption rectangle |
| 244 | Rectangle captionRect = null; |
| 245 | if (captionSize != null) { |
| 246 | captionRect = new Rectangle(WINDOW_SPACING_LEFT, nextOffset, itemWidth, captionSize.height); |
| 247 | nextOffset += captionSize.height; |
| 248 | } else { |
| 249 | captionRect = new Rectangle(WINDOW_SPACING_LEFT, nextOffset, maxWidth, 0); |
| 250 | } |
| 251 | //Item rectangles |
| 252 | for (int i = 0; i < itemCnt; i++) { |
| 253 | XMenuItemPeer item = (XMenuItemPeer)itemVector[i]; |
| 254 | XMenuItemPeer.TextMetrics metrics = itemMetrics[i]; |
| 255 | Dimension dim = metrics.getTextDimension(); |
| 256 | if (dim != null) { |
| 257 | int itemHeight = WINDOW_ITEM_MARGIN_TOP + dim.height + WINDOW_ITEM_MARGIN_BOTTOM; |
| 258 | Rectangle bounds = new Rectangle(WINDOW_SPACING_LEFT, nextOffset, itemWidth, itemHeight); |
| 259 | int y = (itemHeight + dim.height) / 2 - metrics.getTextBaseline(); |
| 260 | Point textOrigin = new Point(WINDOW_SPACING_LEFT + WINDOW_ITEM_MARGIN_LEFT + maxLeftIndent, nextOffset + y); |
| 261 | nextOffset += itemHeight; |
| 262 | item.map(bounds, textOrigin); |
| 263 | } else { |
| 264 | //Text metrics could not be determined because of errors |
| 265 | //Map item with empty rectangle |
| 266 | Rectangle bounds = new Rectangle(WINDOW_SPACING_LEFT, nextOffset, 0, 0); |
| 267 | Point textOrigin = new Point(WINDOW_SPACING_LEFT + WINDOW_ITEM_MARGIN_LEFT + maxLeftIndent, nextOffset); |
| 268 | item.map(bounds, textOrigin); |
| 269 | } |
| 270 | } |
| 271 | int height = nextOffset + WINDOW_SPACING_BOTTOM; |
| 272 | MappingData mappingData = new MappingData(itemVector, captionRect, new Dimension(width, height), maxLeftIndent, shortcutOrigin, rightMarkOrigin); |
| 273 | return mappingData; |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * @see XBaseMenuWindow.getSubmenuBounds() |
| 278 | */ |
| 279 | protected Rectangle getSubmenuBounds(Rectangle itemBounds, Dimension windowSize) { |
| 280 | Rectangle globalBounds = toGlobal(itemBounds); |
| 281 | Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); |
| 282 | Rectangle res; |
| 283 | res = fitWindowRight(globalBounds, windowSize, screenSize); |
| 284 | if (res != null) { |
| 285 | return res; |
| 286 | } |
| 287 | res = fitWindowBelow(globalBounds, windowSize, screenSize); |
| 288 | if (res != null) { |
| 289 | return res; |
| 290 | } |
| 291 | res = fitWindowAbove(globalBounds, windowSize, screenSize); |
| 292 | if (res != null) { |
| 293 | return res; |
| 294 | } |
| 295 | res = fitWindowLeft(globalBounds, windowSize, screenSize); |
| 296 | if (res != null) { |
| 297 | return res; |
| 298 | } |
| 299 | return fitWindowToScreen(windowSize, screenSize); |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * It's likely that size of items was changed |
| 304 | * invoke resizing of window on eventHandlerThread |
| 305 | */ |
| 306 | protected void updateSize() { |
| 307 | resetMapping(); |
| 308 | if (isShowing()) { |
| 309 | XToolkit.executeOnEventHandlerThread(target, new Runnable() { |
| 310 | public void run() { |
| 311 | Dimension dim = getDesiredSize(); |
| 312 | reshape(x, y, dim.width, dim.height); |
| 313 | } |
| 314 | }); |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | /************************************************ |
| 319 | * |
| 320 | * Overridable caption-painting functions |
| 321 | * Necessary to fix 6267144: PIT: Popup menu label is not shown, XToolkit |
| 322 | * |
| 323 | ************************************************/ |
| 324 | |
| 325 | /** |
| 326 | * Returns size of menu window's caption or null |
| 327 | * if window has no caption. |
| 328 | * Can be overriden for popup menus and tear-off menus |
| 329 | */ |
| 330 | protected Dimension getCaptionSize() { |
| 331 | return null; |
| 332 | } |
| 333 | |
| 334 | /** |
| 335 | * Paints menu window's caption. |
| 336 | * Can be overriden for popup menus and tear-off menus. |
| 337 | * Default implementation does nothing |
| 338 | */ |
| 339 | protected void paintCaption(Graphics g, Rectangle rect) { |
| 340 | } |
| 341 | |
| 342 | /************************************************ |
| 343 | * |
| 344 | * General-purpose utility functions |
| 345 | * |
| 346 | ************************************************/ |
| 347 | |
| 348 | /** |
| 349 | * Returns corresponding menu peer |
| 350 | */ |
| 351 | XMenuPeer getMenuPeer() { |
| 352 | return menuPeer; |
| 353 | } |
| 354 | |
| 355 | /** |
| 356 | * Reads vector of items from target |
| 357 | * This function is overriden in XPopupMenuPeer |
| 358 | */ |
| 359 | Vector getMenuTargetItems() { |
| 360 | return menuPeer.getTargetItems(); |
| 361 | } |
| 362 | |
| 363 | /** |
| 364 | * Returns desired size calculated while mapping |
| 365 | */ |
| 366 | Dimension getDesiredSize() { |
| 367 | MappingData mappingData = (MappingData)getMappingData(); |
| 368 | return mappingData.getDesiredSize(); |
| 369 | } |
| 370 | |
| 371 | /** |
| 372 | * Checks if menu window is created |
| 373 | */ |
| 374 | boolean isCreated() { |
| 375 | return getWindow() != 0; |
| 376 | } |
| 377 | |
| 378 | /** |
| 379 | * Performs delayed creation of menu window if necessary |
| 380 | */ |
| 381 | boolean ensureCreated() { |
| 382 | if (!isCreated()) { |
| 383 | XCreateWindowParams params = getDelayedParams(); |
| 384 | params.remove(DELAYED); |
| 385 | params.add(OVERRIDE_REDIRECT, Boolean.TRUE); |
| 386 | params.add(XWindow.TARGET, target); |
| 387 | init(params); |
| 388 | } |
| 389 | return true; |
| 390 | } |
| 391 | |
| 392 | /** |
| 393 | * Init window if it's not inited yet |
| 394 | * and show it at specified coordinates |
| 395 | * @param bounds bounding rectangle of window |
| 396 | * in global coordinates |
| 397 | */ |
| 398 | void show(Rectangle bounds) { |
| 399 | if (!isCreated()) { |
| 400 | return; |
| 401 | } |
| 402 | if (log.isLoggable(Level.FINER)) { |
| 403 | log.finer("showing menu window + " + getWindow() + " at " + bounds); |
| 404 | } |
| 405 | XToolkit.awtLock(); |
| 406 | try { |
| 407 | reshape(bounds.x, bounds.y, bounds.width, bounds.height); |
| 408 | xSetVisible(true); |
| 409 | //Fixed 6267182: PIT: Menu is not visible after |
| 410 | //showing and disposing a file dialog, XToolkit |
| 411 | toFront(); |
| 412 | selectItem(getFirstSelectableItem(), false); |
| 413 | } finally { |
| 414 | XToolkit.awtUnlock(); |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | /** |
| 419 | * Hides menu window |
| 420 | */ |
| 421 | void hide() { |
| 422 | selectItem(null, false); |
| 423 | xSetVisible(false); |
| 424 | } |
| 425 | |
| 426 | /************************************************ |
| 427 | * |
| 428 | * Painting |
| 429 | * |
| 430 | ************************************************/ |
| 431 | |
| 432 | /** |
| 433 | * Paints menu window |
| 434 | */ |
| 435 | public void paint(Graphics g) { |
| 436 | resetColors(); |
| 437 | |
| 438 | int width = getWidth(); |
| 439 | int height = getHeight(); |
| 440 | |
| 441 | flush(); |
| 442 | //Fill background of rectangle |
| 443 | g.setColor(getBackgroundColor()); |
| 444 | g.fillRect(1, 1, width - 2, height - 2); |
| 445 | draw3DRect(g, 0, 0, width, height, true); |
| 446 | |
| 447 | //Mapping data |
| 448 | MappingData mappingData = (MappingData)getMappingData(); |
| 449 | |
| 450 | //Paint caption |
| 451 | paintCaption(g, mappingData.getCaptionRect()); |
| 452 | |
| 453 | //Paint menus |
| 454 | XMenuItemPeer[] itemVector = mappingData.getItems(); |
| 455 | Dimension windowSize = mappingData.getDesiredSize(); |
| 456 | XMenuItemPeer selectedItem = getSelectedItem(); |
| 457 | for (int i = 0; i < itemVector.length; i++) { |
| 458 | XMenuItemPeer item = itemVector[i]; |
| 459 | XMenuItemPeer.TextMetrics metrics = item.getTextMetrics(); |
| 460 | Rectangle bounds = item.getBounds(); |
| 461 | if (item.isSeparator()) { |
| 462 | draw3DRect(g, bounds.x, bounds.y + bounds.height / 2, bounds.width, 2, false); |
| 463 | } else { |
| 464 | //paint item |
| 465 | g.setFont(item.getTargetFont()); |
| 466 | Point textOrigin = item.getTextOrigin(); |
| 467 | Dimension textDim = metrics.getTextDimension(); |
| 468 | if (item == selectedItem) { |
| 469 | g.setColor(getSelectedColor()); |
| 470 | g.fillRect(bounds.x, bounds.y, bounds.width, bounds.height); |
| 471 | draw3DRect(g, bounds.x, bounds.y, bounds.width, bounds.height, false); |
| 472 | } |
| 473 | g.setColor(item.isTargetItemEnabled() ? getForegroundColor() : getDisabledColor()); |
| 474 | g.drawString(item.getTargetLabel(), textOrigin.x, textOrigin.y); |
| 475 | String shortcutText = item.getShortcutText(); |
| 476 | if (shortcutText != null) { |
| 477 | g.drawString(shortcutText, mappingData.getShortcutOrigin(), textOrigin.y); |
| 478 | } |
| 479 | if (item instanceof XMenuPeer) { |
| 480 | //calculate arrow coordinates |
| 481 | int markWidth = textDim.height * 4 / 5; |
| 482 | int markHeight = textDim.height * 4 / 5; |
| 483 | int markX = bounds.x + bounds.width - markWidth - WINDOW_SPACING_RIGHT - WINDOW_ITEM_MARGIN_RIGHT; |
| 484 | int markY = bounds.y + (bounds.height - markHeight) / 2; |
| 485 | //draw arrow |
| 486 | g.setColor(item.isTargetItemEnabled() ? getDarkShadowColor() : getDisabledColor()); |
| 487 | g.drawLine(markX, markY + markHeight, markX + markWidth, markY + markHeight / 2); |
| 488 | g.setColor(item.isTargetItemEnabled() ? getLightShadowColor() : getDisabledColor()); |
| 489 | g.drawLine(markX, markY, markX + markWidth, markY + markHeight / 2); |
| 490 | g.drawLine(markX, markY, markX, markY + markHeight); |
| 491 | } else if (item instanceof XCheckboxMenuItemPeer) { |
| 492 | //calculate checkmark coordinates |
| 493 | int markWidth = textDim.height * 4 / 5; |
| 494 | int markHeight = textDim.height * 4 / 5; |
| 495 | int markX = WINDOW_SPACING_LEFT + WINDOW_ITEM_MARGIN_LEFT; |
| 496 | int markY = bounds.y + (bounds.height - markHeight) / 2; |
| 497 | boolean checkState = ((XCheckboxMenuItemPeer)item).getTargetState(); |
| 498 | //draw checkmark |
| 499 | if (checkState) { |
| 500 | g.setColor(getSelectedColor()); |
| 501 | g.fillRect(markX, markY, markWidth, markHeight); |
| 502 | draw3DRect(g, markX, markY, markWidth, markHeight, false); |
| 503 | int[] px = new int[CHECKMARK_X.length]; |
| 504 | int[] py = new int[CHECKMARK_X.length]; |
| 505 | for (int j = 0; j < CHECKMARK_X.length; j++) { |
| 506 | px[j] = markX + CHECKMARK_X[j] * markWidth / CHECKMARK_SIZE; |
| 507 | py[j] = markY + CHECKMARK_Y[j] * markHeight / CHECKMARK_SIZE; |
| 508 | } |
| 509 | g.setColor(item.isTargetItemEnabled() ? getForegroundColor() : getDisabledColor()); |
| 510 | g.fillPolygon(px, py, CHECKMARK_X.length); |
| 511 | } else { |
| 512 | g.setColor(getBackgroundColor()); |
| 513 | g.fillRect(markX, markY, markWidth, markHeight); |
| 514 | draw3DRect(g, markX, markY, markWidth, markHeight, true); |
| 515 | } |
| 516 | } |
| 517 | } |
| 518 | } |
| 519 | flush(); |
| 520 | } |
| 521 | |
| 522 | } |