Mercurial > projects > dwt2
annotate org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/custom/CTabFolder.d @ 125:c43718956f21 default tip
Updated the snippets status.
| author | Jacob Carlborg <doob@me.com> |
|---|---|
| date | Thu, 11 Aug 2011 19:55:14 +0200 |
| parents | 536e43f63c81 |
| children |
| rev | line source |
|---|---|
| 25 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2008 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module org.eclipse.swt.custom.CTabFolder; | |
| 14 | |
| 15 import org.eclipse.swt.SWT; | |
| 16 import org.eclipse.swt.SWTException; | |
| 17 import org.eclipse.swt.accessibility.ACC; | |
| 18 import org.eclipse.swt.accessibility.Accessible; | |
| 19 import org.eclipse.swt.accessibility.AccessibleAdapter; | |
| 20 import org.eclipse.swt.accessibility.AccessibleControlAdapter; | |
| 21 import org.eclipse.swt.accessibility.AccessibleControlEvent; | |
| 22 import org.eclipse.swt.accessibility.AccessibleEvent; | |
| 23 import org.eclipse.swt.events.SelectionAdapter; | |
| 24 import org.eclipse.swt.events.SelectionEvent; | |
| 25 import org.eclipse.swt.events.SelectionListener; | |
| 26 import org.eclipse.swt.graphics.Color; | |
| 27 import org.eclipse.swt.graphics.Font; | |
| 28 import org.eclipse.swt.graphics.FontData; | |
| 29 import org.eclipse.swt.graphics.GC; | |
| 30 import org.eclipse.swt.graphics.Image; | |
| 31 import org.eclipse.swt.graphics.Point; | |
| 32 import org.eclipse.swt.graphics.RGB; | |
| 33 import org.eclipse.swt.graphics.Rectangle; | |
| 34 import org.eclipse.swt.graphics.Region; | |
| 35 import org.eclipse.swt.widgets.Composite; | |
| 36 import org.eclipse.swt.widgets.Control; | |
| 37 import org.eclipse.swt.widgets.Display; | |
| 38 import org.eclipse.swt.widgets.Event; | |
| 39 import org.eclipse.swt.widgets.Layout; | |
| 40 import org.eclipse.swt.widgets.Listener; | |
| 41 import org.eclipse.swt.widgets.Menu; | |
| 42 import org.eclipse.swt.widgets.MenuItem; | |
| 43 import org.eclipse.swt.widgets.TypedListener; | |
| 44 import org.eclipse.swt.custom.CTabItem; | |
| 45 import org.eclipse.swt.custom.CTabFolder2Listener; | |
| 46 import org.eclipse.swt.custom.CTabFolderListener; | |
| 47 import org.eclipse.swt.custom.CTabFolderLayout; | |
| 48 import org.eclipse.swt.custom.CTabFolderEvent; | |
| 49 | |
| 50 import java.lang.all; | |
|
120
536e43f63c81
Comprehensive update for Win32/Linux32 dmd-2.053/dmd-1.068+Tango-r5661
Denis Shelomovskij <verylonglogin.reg@gmail.com>
parents:
51
diff
changeset
|
51 import java.nonstandard.UnsafeUtf; |
| 25 | 52 |
| 53 /** | |
| 54 * | |
| 55 * Instances of this class implement the notebook user interface | |
| 56 * metaphor. It allows the user to select a notebook page from | |
| 57 * set of pages. | |
| 58 * <p> | |
| 59 * The item children that may be added to instances of this class | |
| 60 * must be of type <code>CTabItem</code>. | |
| 61 * <code>Control</code> children are created and then set into a | |
| 62 * tab item using <code>CTabItem#setControl</code>. | |
| 63 * </p><p> | |
| 64 * Note that although this class is a subclass of <code>Composite</code>, | |
| 65 * it does not make sense to set a layout on it. | |
| 66 * </p><p> | |
| 67 * <dl> | |
| 68 * <dt><b>Styles:</b></dt> | |
| 69 * <dd>CLOSE, TOP, BOTTOM, FLAT, BORDER, SINGLE, MULTI</dd> | |
| 70 * <dt><b>Events:</b></dt> | |
| 71 * <dd>Selection</dd> | |
| 72 * <dd>"CTabFolder2"</dd> | |
| 73 * </dl> | |
| 74 * <p> | |
| 75 * Note: Only one of the styles TOP and BOTTOM | |
| 76 * may be specified. | |
| 77 * </p><p> | |
| 78 * IMPORTANT: This class is <em>not</em> intended to be subclassed. | |
| 79 * </p> | |
| 80 * | |
| 81 * @see <a href="http://www.eclipse.org/swt/snippets/#ctabfolder">CTabFolder, CTabItem snippets</a> | |
| 82 * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: CustomControlExample</a> | |
| 83 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
| 84 */ | |
| 85 | |
| 86 public class CTabFolder : Composite { | |
| 87 | |
| 88 /** | |
| 89 * marginWidth specifies the number of pixels of horizontal margin | |
| 90 * that will be placed along the left and right edges of the form. | |
| 91 * | |
| 92 * The default value is 0. | |
| 93 */ | |
| 94 public int marginWidth = 0; | |
| 95 /** | |
| 96 * marginHeight specifies the number of pixels of vertical margin | |
| 97 * that will be placed along the top and bottom edges of the form. | |
| 98 * | |
| 99 * The default value is 0. | |
| 100 */ | |
| 101 public int marginHeight = 0; | |
| 102 | |
| 103 /** | |
| 104 * A multiple of the tab height that specifies the minimum width to which a tab | |
| 105 * will be compressed before scrolling arrows are used to navigate the tabs. | |
| 106 * | |
| 107 * NOTE This field is badly named and can not be fixed for backwards compatibility. | |
| 108 * It should not be capitalized. | |
| 109 * | |
| 110 * @deprecated This field is no longer used. See setMinimumCharacters(int) | |
| 111 */ | |
| 112 public int MIN_TAB_WIDTH = 4; | |
| 113 | |
| 114 /** | |
| 115 * Color of innermost line of drop shadow border. | |
| 116 * | |
| 117 * NOTE This field is badly named and can not be fixed for backwards compatibility. | |
| 118 * It should be capitalized. | |
| 119 * | |
| 120 * @deprecated drop shadow border is no longer drawn in 3.0 | |
| 121 */ | |
| 122 public static RGB borderInsideRGB; | |
| 123 /** | |
| 124 * Color of middle line of drop shadow border. | |
| 125 * | |
| 126 * NOTE This field is badly named and can not be fixed for backwards compatibility. | |
| 127 * It should be capitalized. | |
| 128 * | |
| 129 * @deprecated drop shadow border is no longer drawn in 3.0 | |
| 130 */ | |
| 131 public static RGB borderMiddleRGB; | |
| 132 /** | |
| 133 * Color of outermost line of drop shadow border. | |
| 134 * | |
| 135 * NOTE This field is badly named and can not be fixed for backwards compatibility. | |
| 136 * It should be capitalized. | |
| 137 * | |
| 138 * @deprecated drop shadow border is no longer drawn in 3.0 | |
| 139 */ | |
| 140 public static RGB borderOutsideRGB; | |
| 141 | |
| 142 /* sizing, positioning */ | |
| 143 int xClient, yClient; | |
| 144 bool onBottom = false; | |
| 145 bool single = false; | |
| 146 bool simple = true; | |
| 147 int fixedTabHeight = SWT.DEFAULT; | |
| 148 int tabHeight; | |
| 149 int minChars = 20; | |
| 150 | |
| 151 /* item management */ | |
| 152 CTabItem items[]; | |
| 153 int firstIndex = -1; // index of the left most visible tab. | |
| 154 int selectedIndex = -1; | |
| 155 int[] priority; | |
| 156 bool mru = false; | |
| 157 Listener listener; | |
| 158 | |
| 159 /* External Listener management */ | |
| 160 CTabFolder2Listener[] folderListeners; | |
| 161 // support for deprecated listener mechanism | |
| 162 CTabFolderListener[] tabListeners; | |
| 163 | |
| 164 /* Selected item appearance */ | |
| 165 Image selectionBgImage; | |
| 166 Color[] selectionGradientColors; | |
| 167 int[] selectionGradientPercents; | |
| 168 bool selectionGradientVertical; | |
| 169 Color selectionForeground; | |
| 170 Color selectionBackground; //selection fade end | |
| 171 Color selectionFadeStart; | |
| 172 | |
| 173 Color selectionHighlightGradientBegin = null; //null is no highlight | |
| 174 //Although we are given new colours all the time to show different states (active, etc), | |
| 175 //some of which may have a highlight and some not, we'd like to retain the highlight colours | |
| 176 //as a cache so that we can reuse them if we're again told to show the highlight. | |
| 177 //We are relying on the fact that only one tab state usually gets a highlight, so only | |
| 178 //a single cache is required. If that happens to not be true, cache simply becomes less effective, | |
| 179 //but we don't leak colours. | |
| 180 Color[] selectionHighlightGradientColorsCache = null; //null is a legal value, check on access | |
| 181 | |
| 182 /* Unselected item appearance */ | |
| 183 Image bgImage; | |
| 184 Color[] gradientColors; | |
| 185 int[] gradientPercents; | |
| 186 bool gradientVertical; | |
| 187 bool showUnselectedImage = true; | |
| 188 | |
| 189 static Color borderColor; | |
| 190 | |
| 191 // close, min/max and chevron buttons | |
| 192 bool showClose = false; | |
| 193 bool showUnselectedClose = true; | |
| 194 | |
| 195 Rectangle chevronRect; | |
| 196 int chevronImageState = NORMAL; | |
| 197 bool showChevron = false; | |
| 198 Menu showMenu; | |
| 199 | |
| 200 bool showMin = false; | |
| 201 Rectangle minRect; | |
| 202 bool minimized = false; | |
| 203 int minImageState = NORMAL; | |
| 204 | |
| 205 bool showMax = false; | |
| 206 Rectangle maxRect; | |
| 207 bool maximized = false; | |
| 208 int maxImageState = NORMAL; | |
| 209 | |
| 210 Control topRight; | |
| 211 Rectangle topRightRect; | |
| 212 int topRightAlignment = SWT.RIGHT; | |
| 213 | |
| 214 // borders and shapes | |
| 215 int borderLeft = 0; | |
| 216 int borderRight = 0; | |
| 217 int borderTop = 0; | |
| 218 int borderBottom = 0; | |
| 219 | |
| 220 int highlight_margin = 0; | |
| 221 int highlight_header = 0; | |
| 222 | |
| 223 int[] curve; | |
| 224 int[] topCurveHighlightStart; | |
| 225 int[] topCurveHighlightEnd; | |
| 226 int curveWidth = 0; | |
| 227 int curveIndent = 0; | |
| 228 | |
| 229 // when disposing CTabFolder, don't try to layout the items or | |
| 230 // change the selection as each child is destroyed. | |
| 231 bool inDispose = false; | |
| 232 | |
| 233 // keep track of size changes in order to redraw only affected area | |
| 234 // on Resize | |
| 235 Point oldSize; | |
| 236 Font oldFont; | |
| 237 | |
| 238 // internal constants | |
| 239 static const int DEFAULT_WIDTH = 64; | |
| 240 static const int DEFAULT_HEIGHT = 64; | |
| 241 static const int BUTTON_SIZE = 18; | |
| 242 | |
| 243 static const int[] TOP_LEFT_CORNER = [0,6, 1,5, 1,4, 4,1, 5,1, 6,0]; | |
| 244 | |
| 245 //TOP_LEFT_CORNER_HILITE is laid out in reverse (ie. top to bottom) | |
| 246 //so can fade in same direction as right swoop curve | |
| 247 static const int[] TOP_LEFT_CORNER_HILITE = [5,2, 4,2, 3,3, 2,4, 2,5, 1,6]; | |
| 248 | |
| 249 static const int[] TOP_RIGHT_CORNER = [-6,0, -5,1, -4,1, -1,4, -1,5, 0,6]; | |
| 250 static const int[] BOTTOM_LEFT_CORNER = [0,-6, 1,-5, 1,-4, 4,-1, 5,-1, 6,0]; | |
| 251 static const int[] BOTTOM_RIGHT_CORNER = [-6,0, -5,-1, -4,-1, -1,-4, -1,-5, 0,-6]; | |
| 252 | |
| 253 static const int[] SIMPLE_TOP_LEFT_CORNER = [0,2, 1,1, 2,0]; | |
| 254 static const int[] SIMPLE_TOP_RIGHT_CORNER = [-2,0, -1,1, 0,2]; | |
| 255 static const int[] SIMPLE_BOTTOM_LEFT_CORNER = [0,-2, 1,-1, 2,0]; | |
| 256 static const int[] SIMPLE_BOTTOM_RIGHT_CORNER = [-2,0, -1,-1, 0,-2]; | |
| 257 static const int[] SIMPLE_UNSELECTED_INNER_CORNER = [0,0]; | |
| 258 | |
| 259 static const int[] TOP_LEFT_CORNER_BORDERLESS = [0,6, 1,5, 1,4, 4,1, 5,1, 6,0]; | |
| 260 static const int[] TOP_RIGHT_CORNER_BORDERLESS = [-7,0, -6,1, -5,1, -2,4, -2,5, -1,6]; | |
| 261 static const int[] BOTTOM_LEFT_CORNER_BORDERLESS = [0,-6, 1,-6, 1,-5, 2,-4, 4,-2, 5,-1, 6,-1, 6,0]; | |
| 262 static const int[] BOTTOM_RIGHT_CORNER_BORDERLESS = [-7,0, -7,-1, -6,-1, -5,-2, -3,-4, -2,-5, -2,-6, -1,-6]; | |
| 263 | |
| 264 static const int[] SIMPLE_TOP_LEFT_CORNER_BORDERLESS = [0,2, 1,1, 2,0]; | |
| 265 static const int[] SIMPLE_TOP_RIGHT_CORNER_BORDERLESS= [-3,0, -2,1, -1,2]; | |
| 266 static const int[] SIMPLE_BOTTOM_LEFT_CORNER_BORDERLESS = [0,-3, 1,-2, 2,-1, 3,0]; | |
| 267 static const int[] SIMPLE_BOTTOM_RIGHT_CORNER_BORDERLESS = [-4,0, -3,-1, -2,-2, -1,-3]; | |
| 268 | |
| 269 static const int SELECTION_FOREGROUND = SWT.COLOR_LIST_FOREGROUND; | |
| 270 static const int SELECTION_BACKGROUND = SWT.COLOR_LIST_BACKGROUND; | |
| 271 static const int BORDER1_COLOR = SWT.COLOR_WIDGET_NORMAL_SHADOW; | |
| 272 static const int FOREGROUND = SWT.COLOR_WIDGET_FOREGROUND; | |
| 273 static const int BACKGROUND = SWT.COLOR_WIDGET_BACKGROUND; | |
| 274 static const int BUTTON_BORDER = SWT.COLOR_WIDGET_DARK_SHADOW; | |
| 275 static const int BUTTON_FILL = SWT.COLOR_LIST_BACKGROUND; | |
| 276 | |
| 277 static const int NONE = 0; | |
| 278 static const int NORMAL = 1; | |
| 279 static const int HOT = 2; | |
| 280 static const int SELECTED = 3; | |
| 281 static const RGB CLOSE_FILL; | |
| 282 | |
| 283 static const int CHEVRON_CHILD_ID = 0; | |
| 284 static const int MINIMIZE_CHILD_ID = 1; | |
| 285 static const int MAXIMIZE_CHILD_ID = 2; | |
| 286 static const int EXTRA_CHILD_ID_COUNT = 3; | |
| 287 | |
| 288 static this(){ | |
| 289 borderInsideRGB = new RGB (132, 130, 132); | |
| 290 borderMiddleRGB = new RGB (143, 141, 138); | |
| 291 borderOutsideRGB = new RGB (171, 168, 165); | |
| 292 CLOSE_FILL = new RGB(252, 160, 160); | |
| 293 } | |
| 294 | |
| 295 /** | |
| 296 * Constructs a new instance of this class given its parent | |
| 297 * and a style value describing its behavior and appearance. | |
| 298 * <p> | |
| 299 * The style value is either one of the style constants defined in | |
| 300 * class <code>SWT</code> which is applicable to instances of this | |
| 301 * class, or must be built by <em>bitwise OR</em>'ing together | |
| 302 * (that is, using the <code>int</code> "|" operator) two or more | |
| 303 * of those <code>SWT</code> style constants. The class description | |
| 304 * lists the style constants that are applicable to the class. | |
| 305 * Style bits are also inherited from superclasses. | |
| 306 * </p> | |
| 307 * | |
| 308 * @param parent a widget which will be the parent of the new instance (cannot be null) | |
| 309 * @param style the style of widget to construct | |
| 310 * | |
| 311 * @exception IllegalArgumentException <ul> | |
| 312 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
| 313 * </ul> | |
| 314 * @exception SWTException <ul> | |
| 315 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
| 316 * </ul> | |
| 317 * | |
| 318 * @see SWT#TOP | |
| 319 * @see SWT#BOTTOM | |
| 320 * @see SWT#FLAT | |
| 321 * @see SWT#BORDER | |
| 322 * @see SWT#SINGLE | |
| 323 * @see SWT#MULTI | |
| 324 * @see #getStyle() | |
| 325 */ | |
| 326 public this(Composite parent, int style) { | |
| 327 chevronRect = new Rectangle(0, 0, 0, 0); | |
| 328 minRect = new Rectangle(0, 0, 0, 0); | |
| 329 maxRect = new Rectangle(0, 0, 0, 0); | |
| 330 topRightRect = new Rectangle(0, 0, 0, 0); | |
| 331 super(parent, checkStyle (parent, style)); | |
| 332 super.setLayout(new CTabFolderLayout()); | |
| 333 int style2 = super.getStyle(); | |
| 334 oldFont = getFont(); | |
| 335 onBottom = (style2 & SWT.BOTTOM) !is 0; | |
| 336 showClose = (style2 & SWT.CLOSE) !is 0; | |
| 337 // showMin = (style2 & SWT.MIN) !is 0; - conflicts with SWT.TOP | |
| 338 // showMax = (style2 & SWT.MAX) !is 0; - conflicts with SWT.BOTTOM | |
| 339 single = (style2 & SWT.SINGLE) !is 0; | |
| 340 borderLeft = borderRight = (style & SWT.BORDER) !is 0 ? 1 : 0; | |
| 341 borderTop = onBottom ? borderLeft : 0; | |
| 342 borderBottom = onBottom ? 0 : borderLeft; | |
| 343 highlight_header = (style & SWT.FLAT) !is 0 ? 1 : 3; | |
| 344 highlight_margin = (style & SWT.FLAT) !is 0 ? 0 : 2; | |
| 345 //set up default colors | |
| 346 Display display = getDisplay(); | |
| 347 selectionForeground = display.getSystemColor(SELECTION_FOREGROUND); | |
| 348 selectionBackground = display.getSystemColor(SELECTION_BACKGROUND); | |
| 349 borderColor = display.getSystemColor(BORDER1_COLOR); | |
| 350 updateTabHeight(false); | |
| 351 | |
| 352 initAccessible(); | |
| 353 | |
| 354 // Add all listeners | |
| 355 listener = new class() Listener { | |
| 356 public void handleEvent(Event event) { | |
| 357 switch (event.type) { | |
| 358 case SWT.Dispose: onDispose(event); break; | |
| 359 case SWT.DragDetect: onDragDetect(event); break; | |
| 360 case SWT.FocusIn: onFocus(event); break; | |
| 361 case SWT.FocusOut: onFocus(event); break; | |
| 362 case SWT.KeyDown: onKeyDown(event); break; | |
| 363 case SWT.MouseDoubleClick: onMouseDoubleClick(event); break; | |
| 364 case SWT.MouseDown: onMouse(event); break; | |
| 365 case SWT.MouseEnter: onMouse(event); break; | |
| 366 case SWT.MouseExit: onMouse(event); break; | |
| 367 case SWT.MouseMove: onMouse(event); break; | |
| 368 case SWT.MouseUp: onMouse(event); break; | |
| 369 case SWT.Paint: onPaint(event); break; | |
| 370 case SWT.Resize: onResize(); break; | |
| 371 case SWT.Traverse: onTraverse(event); break; | |
| 372 default: | |
| 373 } | |
| 374 } | |
| 375 }; | |
| 376 | |
| 377 int[] folderEvents = [ | |
| 378 SWT.Dispose, | |
| 379 SWT.DragDetect, | |
| 380 SWT.FocusIn, | |
| 381 SWT.FocusOut, | |
| 382 SWT.KeyDown, | |
| 383 SWT.MouseDoubleClick, | |
| 384 SWT.MouseDown, | |
| 385 SWT.MouseEnter, | |
| 386 SWT.MouseExit, | |
| 387 SWT.MouseMove, | |
| 388 SWT.MouseUp, | |
| 389 SWT.Paint, | |
| 390 SWT.Resize, | |
| 391 SWT.Traverse, | |
| 392 ]; | |
| 393 for (int i = 0; i < folderEvents.length; i++) { | |
| 394 addListener(folderEvents[i], listener); | |
| 395 } | |
| 396 } | |
| 397 static int checkStyle (Composite parent, int style) { | |
| 398 int mask = SWT.CLOSE | SWT.TOP | SWT.BOTTOM | SWT.FLAT | SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT | SWT.SINGLE | SWT.MULTI; | |
| 399 style = style & mask; | |
| 400 // TOP and BOTTOM are mutually exclusive. | |
| 401 // TOP is the default | |
| 402 if ((style & SWT.TOP) !is 0) style = style & ~SWT.BOTTOM; | |
| 403 // SINGLE and MULTI are mutually exclusive. | |
| 404 // MULTI is the default | |
| 405 if ((style & SWT.MULTI) !is 0) style = style & ~SWT.SINGLE; | |
| 406 // reduce the flash by not redrawing the entire area on a Resize event | |
| 407 style |= SWT.NO_REDRAW_RESIZE; | |
| 408 //TEMPORARY CODE | |
| 409 /* | |
| 410 * The default background on carbon and some GTK themes is not a solid color | |
| 411 * but a texture. To show the correct default background, we must allow | |
| 412 * the operating system to draw it and therefore, we can not use the | |
| 413 * NO_BACKGROUND style. The NO_BACKGROUND style is not required on platforms | |
| 414 * that use double buffering which is true in both of these cases. | |
| 415 */ | |
| 416 String platform = SWT.getPlatform(); | |
| 417 if ("carbon"==platform || "gtk"==platform) return style; //$NON-NLS-1$ //$NON-NLS-2$ | |
| 418 | |
| 419 //TEMPORARY CODE | |
| 420 /* | |
| 421 * In Right To Left orientation on Windows, all GC calls that use a brush are drawing | |
| 422 * offset by one pixel. This results in some parts of the CTabFolder not drawing correctly. | |
| 423 * To alleviate some of the appearance problems, allow the OS to draw the background. | |
| 424 * This does not draw correctly but the result is less obviously wrong. | |
| 425 */ | |
| 426 if ((style & SWT.RIGHT_TO_LEFT) !is 0) return style; | |
| 427 if ((parent.getStyle() & SWT.MIRRORED) !is 0 && (style & SWT.LEFT_TO_RIGHT) is 0) return style; | |
| 428 | |
| 429 return style | SWT.NO_BACKGROUND; | |
| 430 } | |
| 431 static void fillRegion(GC gc, Region region) { | |
| 432 // NOTE: region passed in to this function will be modified | |
| 433 Region clipping = new Region(); | |
| 434 gc.getClipping(clipping); | |
| 435 region.intersect(clipping); | |
| 436 gc.setClipping(region); | |
| 437 gc.fillRectangle(region.getBounds()); | |
| 438 gc.setClipping(clipping); | |
| 439 clipping.dispose(); | |
| 440 } | |
| 441 /** | |
| 442 * | |
| 443 * Adds the listener to the collection of listeners who will | |
| 444 * be notified when a tab item is closed, minimized, maximized, | |
| 445 * restored, or to show the list of items that are not | |
| 446 * currently visible. | |
| 447 * | |
| 448 * @param listener the listener which should be notified | |
| 449 * | |
| 450 * @exception IllegalArgumentException <ul> | |
| 451 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 452 * </ul> | |
| 453 * | |
| 454 * @exception SWTException <ul> | |
| 455 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 456 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 457 * </ul> | |
| 458 * | |
| 459 * @see CTabFolder2Listener | |
| 460 * @see #removeCTabFolder2Listener(CTabFolder2Listener) | |
| 461 * | |
| 462 * @since 3.0 | |
| 463 */ | |
| 464 public void addCTabFolder2Listener(CTabFolder2Listener listener) { | |
| 465 checkWidget(); | |
| 466 if (listener is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
| 467 // add to array | |
| 468 CTabFolder2Listener[] newListeners = new CTabFolder2Listener[folderListeners.length + 1]; | |
| 469 SimpleType!(CTabFolder2Listener).arraycopy(folderListeners, 0, newListeners, 0, folderListeners.length); | |
| 470 folderListeners = newListeners; | |
| 471 folderListeners[folderListeners.length - 1] = listener; | |
| 472 } | |
| 473 /** | |
| 474 * Adds the listener to the collection of listeners who will | |
| 475 * be notified when a tab item is closed. | |
| 476 * | |
| 477 * @param listener the listener which should be notified | |
| 478 * | |
| 479 * @exception IllegalArgumentException <ul> | |
| 480 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 481 * </ul> | |
| 482 * @exception SWTException <ul> | |
| 483 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 484 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 485 * </ul> | |
| 486 * | |
| 487 * @see CTabFolderListener | |
| 488 * @see #removeCTabFolderListener(CTabFolderListener) | |
| 489 * | |
| 490 * @deprecated use addCTabFolder2Listener(CTabFolder2Listener) | |
| 491 */ | |
| 492 public void addCTabFolderListener(CTabFolderListener listener) { | |
| 493 checkWidget(); | |
| 494 if (listener is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
| 495 // add to array | |
| 496 CTabFolderListener[] newTabListeners = new CTabFolderListener[tabListeners.length + 1]; | |
| 497 SimpleType!(CTabFolderListener).arraycopy(tabListeners, 0, newTabListeners, 0, tabListeners.length); | |
| 498 tabListeners = newTabListeners; | |
| 499 tabListeners[tabListeners.length - 1] = listener; | |
| 500 // display close button to be backwards compatible | |
| 501 if (!showClose) { | |
| 502 showClose = true; | |
| 503 updateItems(); | |
| 504 redraw(); | |
| 505 } | |
| 506 } | |
| 507 /** | |
| 508 * Adds the listener to the collection of listeners who will | |
| 509 * be notified when the user changes the receiver's selection, by sending | |
| 510 * it one of the messages defined in the <code>SelectionListener</code> | |
| 511 * interface. | |
| 512 * <p> | |
| 513 * <code>widgetSelected</code> is called when the user changes the selected tab. | |
| 514 * <code>widgetDefaultSelected</code> is not called. | |
| 515 * </p> | |
| 516 * | |
| 517 * @param listener the listener which should be notified when the user changes the receiver's selection | |
| 518 * | |
| 519 * @exception IllegalArgumentException <ul> | |
| 520 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 521 * </ul> | |
| 522 * @exception SWTException <ul> | |
| 523 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 524 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 525 * </ul> | |
| 526 * | |
| 527 * @see SelectionListener | |
| 528 * @see #removeSelectionListener | |
| 529 * @see SelectionEvent | |
| 530 */ | |
| 531 public void addSelectionListener(SelectionListener listener) { | |
| 532 checkWidget(); | |
| 533 if (listener is null) { | |
| 534 SWT.error(SWT.ERROR_NULL_ARGUMENT); | |
| 535 } | |
| 536 TypedListener typedListener = new TypedListener(listener); | |
| 537 addListener(SWT.Selection, typedListener); | |
| 538 addListener(SWT.DefaultSelection, typedListener); | |
| 539 } | |
| 540 void antialias (int[] shape, RGB lineRGB, RGB innerRGB, RGB outerRGB, GC gc){ | |
| 541 // Don't perform anti-aliasing on Mac and WPF because the platform | |
| 542 // already does it. The simple style also does not require anti-aliasing. | |
| 543 if (simple || "carbon".equals(SWT.getPlatform()) || "wpf".equals(SWT.getPlatform())) return; //$NON-NLS-1$ | |
| 544 // Don't perform anti-aliasing on low resolution displays | |
| 545 if (getDisplay().getDepth() < 15) return; | |
| 546 if (outerRGB !is null) { | |
| 547 int index = 0; | |
| 548 bool left = true; | |
| 549 int oldY = onBottom ? 0 : getSize().y; | |
| 550 int[] outer = new int[shape.length]; | |
| 551 for (int i = 0; i < shape.length/2; i++) { | |
| 552 if (left && (index + 3 < shape.length)) { | |
| 553 left = onBottom ? oldY <= shape[index+3] : oldY >= shape[index+3]; | |
| 554 oldY = shape[index+1]; | |
| 555 } | |
| 556 outer[index] = shape[index] + (left ? -1 : +1); | |
| 557 index++; | |
| 558 outer[index] = shape[index]; | |
| 559 index++; | |
| 560 } | |
| 561 RGB from = lineRGB; | |
| 562 RGB to = outerRGB; | |
| 563 int red = from.red + 2*(to.red - from.red)/3; | |
| 564 int green = from.green + 2*(to.green - from.green)/3; | |
| 565 int blue = from.blue + 2*(to.blue - from.blue)/3; | |
| 566 Color color = new Color(getDisplay(), red, green, blue); | |
| 567 gc.setForeground(color); | |
| 568 gc.drawPolyline(outer); | |
| 569 color.dispose(); | |
| 570 } | |
| 571 if (innerRGB !is null) { | |
| 572 int[] inner = new int[shape.length]; | |
| 573 int index = 0; | |
| 574 bool left = true; | |
| 575 int oldY = onBottom ? 0 : getSize().y; | |
| 576 for (int i = 0; i < shape.length/2; i++) { | |
| 577 if (left && (index + 3 < shape.length)) { | |
| 578 left = onBottom ? oldY <= shape[index+3] : oldY >= shape[index+3]; | |
| 579 oldY = shape[index+1]; | |
| 580 } | |
| 581 inner[index] = shape[index] + (left ? +1 : -1); | |
| 582 index++; | |
| 583 inner[index] = shape[index]; | |
| 584 index++; | |
| 585 } | |
| 586 RGB from = lineRGB; | |
| 587 RGB to = innerRGB; | |
| 588 int red = from.red + 2*(to.red - from.red)/3; | |
| 589 int green = from.green + 2*(to.green - from.green)/3; | |
| 590 int blue = from.blue + 2*(to.blue - from.blue)/3; | |
| 591 Color color = new Color(getDisplay(), red, green, blue); | |
| 592 gc.setForeground(color); | |
| 593 gc.drawPolyline(inner); | |
| 594 color.dispose(); | |
| 595 } | |
| 596 } | |
| 597 public override Rectangle computeTrim (int x, int y, int width, int height) { | |
| 598 checkWidget(); | |
| 599 int trimX = x - marginWidth - highlight_margin - borderLeft; | |
| 600 int trimWidth = width + borderLeft + borderRight + 2*marginWidth + 2*highlight_margin; | |
| 601 if (minimized) { | |
| 602 int trimY = onBottom ? y - borderTop : y - highlight_header - tabHeight - borderTop; | |
| 603 int trimHeight = borderTop + borderBottom + tabHeight + highlight_header; | |
| 604 return new Rectangle (trimX, trimY, trimWidth, trimHeight); | |
| 605 } else { | |
| 606 int trimY = onBottom ? y - marginHeight - highlight_margin - borderTop: y - marginHeight - highlight_header - tabHeight - borderTop; | |
| 607 int trimHeight = height + borderTop + borderBottom + 2*marginHeight + tabHeight + highlight_header + highlight_margin; | |
| 608 return new Rectangle (trimX, trimY, trimWidth, trimHeight); | |
| 609 } | |
| 610 } | |
| 611 void createItem (CTabItem item, int index) { | |
| 612 if (0 > index || index > getItemCount ())SWT.error (SWT.ERROR_INVALID_RANGE); | |
| 613 item.parent = this; | |
| 614 CTabItem[] newItems = new CTabItem [items.length + 1]; | |
| 615 System.arraycopy(items, 0, newItems, 0, index); | |
| 616 newItems[index] = item; | |
| 617 System.arraycopy(items, index, newItems, index + 1, items.length - index); | |
| 618 items = newItems; | |
| 619 if (selectedIndex >= index) selectedIndex ++; | |
| 620 int[] newPriority = new int[priority.length + 1]; | |
| 621 int next = 0, priorityIndex = priority.length; | |
| 622 for (int i = 0; i < priority.length; i++) { | |
| 623 if (!mru && priority[i] is index) { | |
| 624 priorityIndex = next++; | |
| 625 } | |
| 626 newPriority[next++] = priority[i] >= index ? priority[i] + 1 : priority[i]; | |
| 627 } | |
| 628 newPriority[priorityIndex] = index; | |
| 629 priority = newPriority; | |
| 630 | |
| 631 if (items.length is 1) { | |
| 632 if (!updateTabHeight(false)) updateItems(); | |
| 633 redraw(); | |
| 634 } else { | |
| 635 updateItems(); | |
| 636 redrawTabs(); | |
| 637 } | |
| 638 } | |
| 639 void destroyItem (CTabItem item) { | |
| 640 if (inDispose) return; | |
| 641 int index = indexOf(item); | |
| 642 if (index is -1) return; | |
| 643 | |
| 644 if (items.length is 1) { | |
| 645 items = new CTabItem[0]; | |
| 646 priority = new int[0]; | |
| 647 firstIndex = -1; | |
| 648 selectedIndex = -1; | |
| 649 | |
| 650 Control control = item.getControl(); | |
| 651 if (control !is null && !control.isDisposed()) { | |
| 652 control.setVisible(false); | |
| 653 } | |
| 654 setToolTipText(null); | |
| 655 setButtonBounds(); | |
| 656 redraw(); | |
| 657 return; | |
| 658 } | |
| 659 | |
| 660 CTabItem[] newItems = new CTabItem [items.length - 1]; | |
| 661 System.arraycopy(items, 0, newItems, 0, index); | |
| 662 System.arraycopy(items, index + 1, newItems, index, items.length - index - 1); | |
| 663 items = newItems; | |
| 664 | |
| 665 int[] newPriority = new int[priority.length - 1]; | |
| 666 int next = 0; | |
| 667 for (int i = 0; i < priority.length; i++) { | |
| 668 if (priority [i] is index) continue; | |
| 669 newPriority[next++] = priority[i] > index ? priority[i] - 1 : priority [i]; | |
| 670 } | |
| 671 priority = newPriority; | |
| 672 | |
| 673 // move the selection if this item is selected | |
| 674 if (selectedIndex is index) { | |
| 675 Control control = item.getControl(); | |
| 676 selectedIndex = -1; | |
| 677 int nextSelection = mru ? priority[0] : Math.max(0, index - 1); | |
| 678 setSelection(nextSelection, true); | |
| 679 if (control !is null && !control.isDisposed()) { | |
| 680 control.setVisible(false); | |
| 681 } | |
| 682 } else if (selectedIndex > index) { | |
| 683 selectedIndex --; | |
| 684 } | |
| 685 | |
| 686 updateItems(); | |
| 687 redrawTabs(); | |
| 688 } | |
| 689 void drawBackground(GC gc, int[] shape, bool selected) { | |
| 690 Color defaultBackground = selected ? selectionBackground : getBackground(); | |
| 691 Image image = selected ? selectionBgImage : bgImage; | |
| 692 Color[] colors = selected ? selectionGradientColors : gradientColors; | |
| 693 int[] percents = selected ? selectionGradientPercents : gradientPercents; | |
| 694 bool vertical = selected ? selectionGradientVertical : gradientVertical; | |
| 695 Point size = getSize(); | |
| 696 int width = size.x; | |
| 697 int height = tabHeight + highlight_header; | |
| 698 int x = 0; | |
| 699 if (borderLeft > 0) { | |
| 700 x += 1; width -= 2; | |
| 701 } | |
| 702 int y = onBottom ? size.y - borderBottom - height : borderTop; | |
| 703 drawBackground(gc, shape, x, y, width, height, defaultBackground, image, colors, percents, vertical); | |
| 704 } | |
| 705 void drawBackground(GC gc, int[] shape, int x, int y, int width, int height, Color defaultBackground, Image image, Color[] colors, int[] percents, bool vertical) { | |
| 706 Region clipping = new Region(); | |
| 707 gc.getClipping(clipping); | |
| 708 Region region = new Region(); | |
| 709 region.add(shape); | |
| 710 region.intersect(clipping); | |
| 711 gc.setClipping(region); | |
| 712 | |
| 713 if (image !is null) { | |
| 714 // draw the background image in shape | |
| 715 gc.setBackground(defaultBackground); | |
| 716 gc.fillRectangle(x, y, width, height); | |
| 717 Rectangle imageRect = image.getBounds(); | |
| 718 gc.drawImage(image, imageRect.x, imageRect.y, imageRect.width, imageRect.height, x, y, width, height); | |
| 719 } else if (colors !is null) { | |
| 720 // draw gradient | |
| 721 if (colors.length is 1) { | |
| 722 Color background = colors[0] !is null ? colors[0] : defaultBackground; | |
| 723 gc.setBackground(background); | |
| 724 gc.fillRectangle(x, y, width, height); | |
| 725 } else { | |
| 726 if (vertical) { | |
| 727 if (onBottom) { | |
| 728 int pos = 0; | |
| 729 if (percents[percents.length - 1] < 100) { | |
| 730 pos = percents[percents.length - 1] * height / 100; | |
| 731 gc.setBackground(defaultBackground); | |
| 732 gc.fillRectangle(x, y, width, pos); | |
| 733 } | |
| 734 Color lastColor = colors[colors.length-1]; | |
| 735 if (lastColor is null) lastColor = defaultBackground; | |
| 736 for (int i = percents.length-1; i >= 0; i--) { | |
| 737 gc.setForeground(lastColor); | |
| 738 lastColor = colors[i]; | |
| 739 if (lastColor is null) lastColor = defaultBackground; | |
| 740 gc.setBackground(lastColor); | |
| 741 int gradientHeight = percents[i] * height / 100; | |
| 742 gc.fillGradientRectangle(x, y+pos, width, gradientHeight, true); | |
| 743 pos += gradientHeight; | |
| 744 } | |
| 745 } else { | |
| 746 Color lastColor = colors[0]; | |
| 747 if (lastColor is null) lastColor = defaultBackground; | |
| 748 int pos = 0; | |
| 749 for (int i = 0; i < percents.length; i++) { | |
| 750 gc.setForeground(lastColor); | |
| 751 lastColor = colors[i + 1]; | |
| 752 if (lastColor is null) lastColor = defaultBackground; | |
| 753 gc.setBackground(lastColor); | |
| 754 int gradientHeight = percents[i] * height / 100; | |
| 755 gc.fillGradientRectangle(x, y+pos, width, gradientHeight, true); | |
| 756 pos += gradientHeight; | |
| 757 } | |
| 758 if (pos < height) { | |
| 759 gc.setBackground(defaultBackground); | |
| 760 gc.fillRectangle(x, pos, width, height-pos+1); | |
| 761 } | |
| 762 } | |
| 763 } else { //horizontal gradient | |
| 764 y = 0; | |
| 765 height = getSize().y; | |
| 766 Color lastColor = colors[0]; | |
| 767 if (lastColor is null) lastColor = defaultBackground; | |
| 768 int pos = 0; | |
| 769 for (int i = 0; i < percents.length; ++i) { | |
| 770 gc.setForeground(lastColor); | |
| 771 lastColor = colors[i + 1]; | |
| 772 if (lastColor is null) lastColor = defaultBackground; | |
| 773 gc.setBackground(lastColor); | |
| 774 int gradientWidth = (percents[i] * width / 100) - pos; | |
| 775 gc.fillGradientRectangle(x+pos, y, gradientWidth, height, false); | |
| 776 pos += gradientWidth; | |
| 777 } | |
| 778 if (pos < width) { | |
| 779 gc.setBackground(defaultBackground); | |
| 780 gc.fillRectangle(x+pos, y, width-pos, height); | |
| 781 } | |
| 782 } | |
| 783 } | |
| 784 } else { | |
| 785 // draw a solid background using default background in shape | |
| 786 if ((getStyle() & SWT.NO_BACKGROUND) !is 0 || defaultBackground!=getBackground()) { | |
| 787 gc.setBackground(defaultBackground); | |
| 788 gc.fillRectangle(x, y, width, height); | |
| 789 } | |
| 790 } | |
| 791 gc.setClipping(clipping); | |
| 792 clipping.dispose(); | |
| 793 region.dispose(); | |
| 794 } | |
| 795 void drawBody(Event event) { | |
| 796 GC gc = event.gc; | |
| 797 Point size = getSize(); | |
| 798 | |
| 799 // fill in body | |
| 800 if (!minimized){ | |
| 801 int width = size.x - borderLeft - borderRight - 2*highlight_margin; | |
| 802 int height = size.y - borderTop - borderBottom - tabHeight - highlight_header - highlight_margin; | |
| 803 // Draw highlight margin | |
| 804 if (highlight_margin > 0) { | |
| 805 int[] shape = null; | |
| 806 if (onBottom) { | |
| 807 int x1 = borderLeft; | |
| 808 int y1 = borderTop; | |
| 809 int x2 = size.x - borderRight; | |
| 810 int y2 = size.y - borderBottom - tabHeight - highlight_header; | |
| 811 shape = [x1,y1, x2,y1, x2,y2, x2-highlight_margin,y2, | |
| 812 x2-highlight_margin, y1+highlight_margin, x1+highlight_margin,y1+highlight_margin, | |
| 813 x1+highlight_margin,y2, x1,y2]; | |
| 814 } else { | |
| 815 int x1 = borderLeft; | |
| 816 int y1 = borderTop + tabHeight + highlight_header; | |
| 817 int x2 = size.x - borderRight; | |
| 818 int y2 = size.y - borderBottom; | |
| 819 shape = [x1,y1, x1+highlight_margin,y1, x1+highlight_margin,y2-highlight_margin, | |
| 820 x2-highlight_margin,y2-highlight_margin, x2-highlight_margin,y1, | |
| 821 x2,y1, x2,y2, x1,y2]; | |
| 822 } | |
| 823 // If horizontal gradient, show gradient across the whole area | |
| 824 if (selectedIndex !is -1 && selectionGradientColors !is null && selectionGradientColors.length > 1 && !selectionGradientVertical) { | |
| 825 drawBackground(gc, shape, true); | |
| 826 } else if (selectedIndex is -1 && gradientColors !is null && gradientColors.length > 1 && !gradientVertical) { | |
| 827 drawBackground(gc, shape, false); | |
| 828 } else { | |
| 829 gc.setBackground(selectedIndex is -1 ? getBackground() : selectionBackground); | |
| 830 gc.fillPolygon(shape); | |
| 831 } | |
| 832 } | |
| 833 //Draw client area | |
| 834 if ((getStyle() & SWT.NO_BACKGROUND) !is 0) { | |
| 835 gc.setBackground(getBackground()); | |
| 836 gc.fillRectangle(xClient - marginWidth, yClient - marginHeight, width, height); | |
| 837 } | |
| 838 } else { | |
| 839 if ((getStyle() & SWT.NO_BACKGROUND) !is 0) { | |
| 840 int height = borderTop + tabHeight + highlight_header + borderBottom; | |
| 841 if (size.y > height) { | |
| 842 gc.setBackground(getParent().getBackground()); | |
| 843 gc.fillRectangle(0, height, size.x, size.y - height); | |
| 844 } | |
| 845 } | |
| 846 } | |
| 847 | |
| 848 //draw 1 pixel border around outside | |
| 849 if (borderLeft > 0) { | |
| 850 gc.setForeground(borderColor); | |
| 851 int x1 = borderLeft - 1; | |
| 852 int x2 = size.x - borderRight; | |
| 853 int y1 = onBottom ? borderTop - 1 : borderTop + tabHeight; | |
| 854 int y2 = onBottom ? size.y - tabHeight - borderBottom - 1 : size.y - borderBottom; | |
| 855 gc.drawLine(x1, y1, x1, y2); // left | |
| 856 gc.drawLine(x2, y1, x2, y2); // right | |
| 857 if (onBottom) { | |
| 858 gc.drawLine(x1, y1, x2, y1); // top | |
| 859 } else { | |
| 860 gc.drawLine(x1, y2, x2, y2); // bottom | |
| 861 } | |
| 862 } | |
| 863 } | |
| 864 | |
| 865 void drawChevron(GC gc) { | |
| 866 if (chevronRect.width is 0 || chevronRect.height is 0) return; | |
| 867 // draw chevron (10x7) | |
| 868 Display display = getDisplay(); | |
| 869 Point dpi = display.getDPI(); | |
| 870 int fontHeight = 72 * 10 / dpi.y; | |
| 871 FontData fd = getFont().getFontData()[0]; | |
| 872 fd.setHeight(fontHeight); | |
| 873 Font f = new Font(display, fd); | |
| 874 int fHeight = f.getFontData()[0].getHeight() * dpi.y / 72; | |
| 875 int indent = Math.max(2, (chevronRect.height - fHeight - 4) /2); | |
| 876 int x = chevronRect.x + 2; | |
| 877 int y = chevronRect.y + indent; | |
| 878 int count; | |
| 879 if (single) { | |
| 880 count = selectedIndex is -1 ? items.length : items.length - 1; | |
| 881 } else { | |
| 882 int showCount = 0; | |
| 883 while (showCount < priority.length && items[priority[showCount]].showing) { | |
| 884 showCount++; | |
| 885 } | |
| 886 count = items.length - showCount; | |
| 887 } | |
|
120
536e43f63c81
Comprehensive update for Win32/Linux32 dmd-2.053/dmd-1.068+Tango-r5661
Denis Shelomovskij <verylonglogin.reg@gmail.com>
parents:
51
diff
changeset
|
888 String chevronString = count > 99 ? "99+" : String_valueOf(count); //$NON-NLS-1$ |
| 25 | 889 switch (chevronImageState) { |
| 890 case NORMAL: { | |
| 891 Color chevronBorder = single ? getSelectionForeground() : getForeground(); | |
| 892 gc.setForeground(chevronBorder); | |
| 893 gc.setFont(f); | |
| 894 gc.drawLine(x,y, x+2,y+2); | |
| 895 gc.drawLine(x+2,y+2, x,y+4); | |
| 896 gc.drawLine(x+1,y, x+3,y+2); | |
| 897 gc.drawLine(x+3,y+2, x+1,y+4); | |
| 898 gc.drawLine(x+4,y, x+6,y+2); | |
| 899 gc.drawLine(x+6,y+2, x+5,y+4); | |
| 900 gc.drawLine(x+5,y, x+7,y+2); | |
| 901 gc.drawLine(x+7,y+2, x+4,y+4); | |
| 902 gc.drawString(chevronString, x+7, y+3, true); | |
| 903 break; | |
| 904 } | |
| 905 case HOT: { | |
| 906 gc.setForeground(display.getSystemColor(BUTTON_BORDER)); | |
| 907 gc.setBackground(display.getSystemColor(BUTTON_FILL)); | |
| 908 gc.setFont(f); | |
| 909 gc.fillRoundRectangle(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, 6, 6); | |
| 910 gc.drawRoundRectangle(chevronRect.x, chevronRect.y, chevronRect.width - 1, chevronRect.height - 1, 6, 6); | |
| 911 gc.drawLine(x,y, x+2,y+2); | |
| 912 gc.drawLine(x+2,y+2, x,y+4); | |
| 913 gc.drawLine(x+1,y, x+3,y+2); | |
| 914 gc.drawLine(x+3,y+2, x+1,y+4); | |
| 915 gc.drawLine(x+4,y, x+6,y+2); | |
| 916 gc.drawLine(x+6,y+2, x+5,y+4); | |
| 917 gc.drawLine(x+5,y, x+7,y+2); | |
| 918 gc.drawLine(x+7,y+2, x+4,y+4); | |
| 919 gc.drawString(chevronString, x+7, y+3, true); | |
| 920 break; | |
| 921 } | |
| 922 case SELECTED: { | |
| 923 gc.setForeground(display.getSystemColor(BUTTON_BORDER)); | |
| 924 gc.setBackground(display.getSystemColor(BUTTON_FILL)); | |
| 925 gc.setFont(f); | |
| 926 gc.fillRoundRectangle(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, 6, 6); | |
| 927 gc.drawRoundRectangle(chevronRect.x, chevronRect.y, chevronRect.width - 1, chevronRect.height - 1, 6, 6); | |
| 928 gc.drawLine(x+1,y+1, x+3,y+3); | |
| 929 gc.drawLine(x+3,y+3, x+1,y+5); | |
| 930 gc.drawLine(x+2,y+1, x+4,y+3); | |
| 931 gc.drawLine(x+4,y+3, x+2,y+5); | |
| 932 gc.drawLine(x+5,y+1, x+7,y+3); | |
| 933 gc.drawLine(x+7,y+3, x+6,y+5); | |
| 934 gc.drawLine(x+6,y+1, x+8,y+3); | |
| 935 gc.drawLine(x+8,y+3, x+5,y+5); | |
| 936 gc.drawString(chevronString, x+8, y+4, true); | |
| 937 break; | |
| 938 } | |
| 939 default: | |
| 940 } | |
| 941 f.dispose(); | |
| 942 } | |
| 943 void drawMaximize(GC gc) { | |
| 944 if (maxRect.width is 0 || maxRect.height is 0) return; | |
| 945 Display display = getDisplay(); | |
| 946 // 5x4 or 7x9 | |
| 947 int x = maxRect.x + (CTabFolder.BUTTON_SIZE - 10)/2; | |
| 948 int y = maxRect.y + 3; | |
| 949 | |
| 950 gc.setForeground(display.getSystemColor(BUTTON_BORDER)); | |
| 951 gc.setBackground(display.getSystemColor(BUTTON_FILL)); | |
| 952 | |
| 953 switch (maxImageState) { | |
| 954 case NORMAL: { | |
| 955 if (!maximized) { | |
| 956 gc.fillRectangle(x, y, 9, 9); | |
| 957 gc.drawRectangle(x, y, 9, 9); | |
| 958 gc.drawLine(x+1, y+2, x+8, y+2); | |
| 959 } else { | |
| 960 gc.fillRectangle(x, y+3, 5, 4); | |
| 961 gc.fillRectangle(x+2, y, 5, 4); | |
| 962 gc.drawRectangle(x, y+3, 5, 4); | |
| 963 gc.drawRectangle(x+2, y, 5, 4); | |
| 964 gc.drawLine(x+3, y+1, x+6, y+1); | |
| 965 gc.drawLine(x+1, y+4, x+4, y+4); | |
| 966 } | |
| 967 break; | |
| 968 } | |
| 969 case HOT: { | |
| 970 gc.fillRoundRectangle(maxRect.x, maxRect.y, maxRect.width, maxRect.height, 6, 6); | |
| 971 gc.drawRoundRectangle(maxRect.x, maxRect.y, maxRect.width - 1, maxRect.height - 1, 6, 6); | |
| 972 if (!maximized) { | |
| 973 gc.fillRectangle(x, y, 9, 9); | |
| 974 gc.drawRectangle(x, y, 9, 9); | |
| 975 gc.drawLine(x+1, y+2, x+8, y+2); | |
| 976 } else { | |
| 977 gc.fillRectangle(x, y+3, 5, 4); | |
| 978 gc.fillRectangle(x+2, y, 5, 4); | |
| 979 gc.drawRectangle(x, y+3, 5, 4); | |
| 980 gc.drawRectangle(x+2, y, 5, 4); | |
| 981 gc.drawLine(x+3, y+1, x+6, y+1); | |
| 982 gc.drawLine(x+1, y+4, x+4, y+4); | |
| 983 } | |
| 984 break; | |
| 985 } | |
| 986 case SELECTED: { | |
| 987 gc.fillRoundRectangle(maxRect.x, maxRect.y, maxRect.width, maxRect.height, 6, 6); | |
| 988 gc.drawRoundRectangle(maxRect.x, maxRect.y, maxRect.width - 1, maxRect.height - 1, 6, 6); | |
| 989 if (!maximized) { | |
| 990 gc.fillRectangle(x+1, y+1, 9, 9); | |
| 991 gc.drawRectangle(x+1, y+1, 9, 9); | |
| 992 gc.drawLine(x+2, y+3, x+9, y+3); | |
| 993 } else { | |
| 994 gc.fillRectangle(x+1, y+4, 5, 4); | |
| 995 gc.fillRectangle(x+3, y+1, 5, 4); | |
| 996 gc.drawRectangle(x+1, y+4, 5, 4); | |
| 997 gc.drawRectangle(x+3, y+1, 5, 4); | |
| 998 gc.drawLine(x+4, y+2, x+7, y+2); | |
| 999 gc.drawLine(x+2, y+5, x+5, y+5); | |
| 1000 } | |
| 1001 break; | |
| 1002 } | |
| 1003 default: | |
| 1004 } | |
| 1005 } | |
| 1006 void drawMinimize(GC gc) { | |
| 1007 if (minRect.width is 0 || minRect.height is 0) return; | |
| 1008 Display display = getDisplay(); | |
| 1009 // 5x4 or 9x3 | |
| 1010 int x = minRect.x + (BUTTON_SIZE - 10)/2; | |
| 1011 int y = minRect.y + 3; | |
| 1012 | |
| 1013 gc.setForeground(display.getSystemColor(BUTTON_BORDER)); | |
| 1014 gc.setBackground(display.getSystemColor(BUTTON_FILL)); | |
| 1015 | |
| 1016 switch (minImageState) { | |
| 1017 case NORMAL: { | |
| 1018 if (!minimized) { | |
| 1019 gc.fillRectangle(x, y, 9, 3); | |
| 1020 gc.drawRectangle(x, y, 9, 3); | |
| 1021 } else { | |
| 1022 gc.fillRectangle(x, y+3, 5, 4); | |
| 1023 gc.fillRectangle(x+2, y, 5, 4); | |
| 1024 gc.drawRectangle(x, y+3, 5, 4); | |
| 1025 gc.drawRectangle(x+2, y, 5, 4); | |
| 1026 gc.drawLine(x+3, y+1, x+6, y+1); | |
| 1027 gc.drawLine(x+1, y+4, x+4, y+4); | |
| 1028 } | |
| 1029 break; | |
| 1030 } | |
| 1031 case HOT: { | |
| 1032 gc.fillRoundRectangle(minRect.x, minRect.y, minRect.width, minRect.height, 6, 6); | |
| 1033 gc.drawRoundRectangle(minRect.x, minRect.y, minRect.width - 1, minRect.height - 1, 6, 6); | |
| 1034 if (!minimized) { | |
| 1035 gc.fillRectangle(x, y, 9, 3); | |
| 1036 gc.drawRectangle(x, y, 9, 3); | |
| 1037 } else { | |
| 1038 gc.fillRectangle(x, y+3, 5, 4); | |
| 1039 gc.fillRectangle(x+2, y, 5, 4); | |
| 1040 gc.drawRectangle(x, y+3, 5, 4); | |
| 1041 gc.drawRectangle(x+2, y, 5, 4); | |
| 1042 gc.drawLine(x+3, y+1, x+6, y+1); | |
| 1043 gc.drawLine(x+1, y+4, x+4, y+4); | |
| 1044 } | |
| 1045 break; | |
| 1046 } | |
| 1047 case SELECTED: { | |
| 1048 gc.fillRoundRectangle(minRect.x, minRect.y, minRect.width, minRect.height, 6, 6); | |
| 1049 gc.drawRoundRectangle(minRect.x, minRect.y, minRect.width - 1, minRect.height - 1, 6, 6); | |
| 1050 if (!minimized) { | |
| 1051 gc.fillRectangle(x+1, y+1, 9, 3); | |
| 1052 gc.drawRectangle(x+1, y+1, 9, 3); | |
| 1053 } else { | |
| 1054 gc.fillRectangle(x+1, y+4, 5, 4); | |
| 1055 gc.fillRectangle(x+3, y+1, 5, 4); | |
| 1056 gc.drawRectangle(x+1, y+4, 5, 4); | |
| 1057 gc.drawRectangle(x+3, y+1, 5, 4); | |
| 1058 gc.drawLine(x+4, y+2, x+7, y+2); | |
| 1059 gc.drawLine(x+2, y+5, x+5, y+5); | |
| 1060 } | |
| 1061 break; | |
| 1062 } | |
| 1063 default: | |
| 1064 } | |
| 1065 } | |
| 1066 void drawTabArea(Event event) { | |
| 1067 GC gc = event.gc; | |
| 1068 Point size = getSize(); | |
| 1069 int[] shape = null; | |
| 1070 | |
| 1071 if (tabHeight is 0) { | |
| 1072 int style = getStyle(); | |
| 1073 if ((style & SWT.FLAT) !is 0 && (style & SWT.BORDER) is 0) return; | |
| 1074 int x1 = borderLeft - 1; | |
| 1075 int x2 = size.x - borderRight; | |
| 1076 int y1 = onBottom ? size.y - borderBottom - highlight_header - 1 : borderTop + highlight_header; | |
| 1077 int y2 = onBottom ? size.y - borderBottom : borderTop; | |
| 1078 if (borderLeft > 0 && onBottom) y2 -= 1; | |
| 1079 | |
| 1080 shape = [x1, y1, x1,y2, x2,y2, x2,y1]; | |
| 1081 | |
| 1082 // If horizontal gradient, show gradient across the whole area | |
| 1083 if (selectedIndex !is -1 && selectionGradientColors !is null && selectionGradientColors.length > 1 && !selectionGradientVertical) { | |
| 1084 drawBackground(gc, shape, true); | |
| 1085 } else if (selectedIndex is -1 && gradientColors !is null && gradientColors.length > 1 && !gradientVertical) { | |
| 1086 drawBackground(gc, shape, false); | |
| 1087 } else { | |
| 1088 gc.setBackground(selectedIndex is -1 ? getBackground() : selectionBackground); | |
| 1089 gc.fillPolygon(shape); | |
| 1090 } | |
| 1091 | |
| 1092 //draw 1 pixel border | |
| 1093 if (borderLeft > 0) { | |
| 1094 gc.setForeground(borderColor); | |
| 1095 gc.drawPolyline(shape); | |
| 1096 } | |
| 1097 return; | |
| 1098 } | |
| 1099 | |
| 1100 int x = Math.max(0, borderLeft - 1); | |
| 1101 int y = onBottom ? size.y - borderBottom - tabHeight : borderTop; | |
| 1102 int width = size.x - borderLeft - borderRight + 1; | |
| 1103 int height = tabHeight - 1; | |
| 1104 | |
| 1105 // Draw Tab Header | |
| 1106 if (onBottom) { | |
|
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parents:
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diff
changeset
|
1107 TryConst!(int)[] left, right; |
| 25 | 1108 if ((getStyle() & SWT.BORDER) !is 0) { |
| 1109 left = simple ? SIMPLE_BOTTOM_LEFT_CORNER : BOTTOM_LEFT_CORNER; | |
| 1110 right = simple ? SIMPLE_BOTTOM_RIGHT_CORNER : BOTTOM_RIGHT_CORNER; | |
| 1111 } else { | |
| 1112 left = simple ? SIMPLE_BOTTOM_LEFT_CORNER_BORDERLESS : BOTTOM_LEFT_CORNER_BORDERLESS; | |
| 1113 right = simple ? SIMPLE_BOTTOM_RIGHT_CORNER_BORDERLESS : BOTTOM_RIGHT_CORNER_BORDERLESS; | |
| 1114 } | |
| 1115 shape = new int[left.length + right.length + 4]; | |
| 1116 int index = 0; | |
| 1117 shape[index++] = x; | |
| 1118 shape[index++] = y-highlight_header; | |
| 1119 for (int i = 0; i < left.length/2; i++) { | |
| 1120 shape[index++] = x+left[2*i]; | |
| 1121 shape[index++] = y+height+left[2*i+1]; | |
| 1122 if (borderLeft is 0) shape[index-1] += 1; | |
| 1123 } | |
| 1124 for (int i = 0; i < right.length/2; i++) { | |
| 1125 shape[index++] = x+width+right[2*i]; | |
| 1126 shape[index++] = y+height+right[2*i+1]; | |
| 1127 if (borderLeft is 0) shape[index-1] += 1; | |
| 1128 } | |
| 1129 shape[index++] = x+width; | |
| 1130 shape[index++] = y-highlight_header; | |
| 1131 } else { | |
|
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Denis Shelomovskij <verylonglogin.reg@gmail.com>
parents:
51
diff
changeset
|
1132 TryConst!(int)[] left, right; |
| 25 | 1133 if ((getStyle() & SWT.BORDER) !is 0) { |
| 1134 left = simple ? SIMPLE_TOP_LEFT_CORNER : TOP_LEFT_CORNER; | |
| 1135 right = simple ? SIMPLE_TOP_RIGHT_CORNER : TOP_RIGHT_CORNER; | |
| 1136 } else { | |
| 1137 left = simple ? SIMPLE_TOP_LEFT_CORNER_BORDERLESS : TOP_LEFT_CORNER_BORDERLESS; | |
| 1138 right = simple ? SIMPLE_TOP_RIGHT_CORNER_BORDERLESS : TOP_RIGHT_CORNER_BORDERLESS; | |
| 1139 } | |
| 1140 shape = new int[left.length + right.length + 4]; | |
| 1141 int index = 0; | |
| 1142 shape[index++] = x; | |
| 1143 shape[index++] = y+height+highlight_header + 1; | |
| 1144 for (int i = 0; i < left.length/2; i++) { | |
| 1145 shape[index++] = x+left[2*i]; | |
| 1146 shape[index++] = y+left[2*i+1]; | |
| 1147 } | |
| 1148 for (int i = 0; i < right.length/2; i++) { | |
| 1149 shape[index++] = x+width+right[2*i]; | |
| 1150 shape[index++] = y+right[2*i+1]; | |
| 1151 } | |
| 1152 shape[index++] = x+width; | |
| 1153 shape[index++] = y+height+highlight_header + 1; | |
| 1154 } | |
| 1155 // Fill in background | |
| 1156 bool bkSelected = single && selectedIndex !is -1; | |
| 1157 drawBackground(gc, shape, bkSelected); | |
| 1158 // Fill in parent background for non-rectangular shape | |
| 1159 Region r = new Region(); | |
| 1160 r.add(new Rectangle(x, y, width + 1, height + 1)); | |
| 1161 r.subtract(shape); | |
| 1162 gc.setBackground(getParent().getBackground()); | |
| 1163 fillRegion(gc, r); | |
| 1164 r.dispose(); | |
| 1165 | |
| 1166 // Draw the unselected tabs. | |
| 1167 if (!single) { | |
| 1168 for (int i=0; i < items.length; i++) { | |
| 1169 if (i !is selectedIndex && event.getBounds().intersects(items[i].getBounds())) { | |
| 1170 items[i].onPaint(gc, false); | |
| 1171 } | |
| 1172 } | |
| 1173 } | |
| 1174 | |
| 1175 // Draw selected tab | |
| 1176 if (selectedIndex !is -1) { | |
| 1177 CTabItem item = items[selectedIndex]; | |
| 1178 item.onPaint(gc, true); | |
| 1179 } else { | |
| 1180 // if no selected tab - draw line across bottom of all tabs | |
| 1181 int x1 = borderLeft; | |
| 1182 int y1 = (onBottom) ? size.y - borderBottom - tabHeight - 1 : borderTop + tabHeight; | |
| 1183 int x2 = size.x - borderRight; | |
| 1184 gc.setForeground(borderColor); | |
| 1185 gc.drawLine(x1, y1, x2, y1); | |
| 1186 } | |
| 1187 | |
| 1188 // Draw Buttons | |
| 1189 drawChevron(gc); | |
| 1190 drawMinimize(gc); | |
| 1191 drawMaximize(gc); | |
| 1192 | |
| 1193 // Draw border line | |
| 1194 if (borderLeft > 0) { | |
| 1195 RGB outside = getParent().getBackground().getRGB(); | |
| 1196 antialias(shape, borderColor.getRGB(), null, outside, gc); | |
| 1197 gc.setForeground(borderColor); | |
| 1198 gc.drawPolyline(shape); | |
| 1199 } | |
| 1200 } | |
| 1201 /** | |
| 1202 * Returns <code>true</code> if the receiver's border is visible. | |
| 1203 * | |
| 1204 * @return the receiver's border visibility state | |
| 1205 * | |
| 1206 * @exception SWTException <ul> | |
| 1207 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1208 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1209 * </ul> | |
| 1210 * | |
| 1211 * @since 3.0 | |
| 1212 */ | |
| 1213 public bool getBorderVisible() { | |
| 1214 checkWidget(); | |
| 1215 return borderLeft is 1; | |
| 1216 } | |
| 1217 public override Rectangle getClientArea() { | |
| 1218 checkWidget(); | |
| 1219 if (minimized) return new Rectangle(xClient, yClient, 0, 0); | |
| 1220 Point size = getSize(); | |
| 1221 int width = size.x - borderLeft - borderRight - 2*marginWidth - 2*highlight_margin; | |
| 1222 int height = size.y - borderTop - borderBottom - 2*marginHeight - highlight_margin - highlight_header; | |
| 1223 height -= tabHeight; | |
| 1224 return new Rectangle(xClient, yClient, width, height); | |
| 1225 } | |
| 1226 /** | |
| 1227 * Return the tab that is located at the specified index. | |
| 1228 * | |
| 1229 * @param index the index of the tab item | |
| 1230 * @return the item at the specified index | |
| 1231 * | |
| 1232 * @exception IllegalArgumentException <ul> | |
| 1233 * <li>ERROR_INVALID_RANGE - if the index is out of range</li> | |
| 1234 * </ul> | |
| 1235 * @exception SWTException <ul> | |
| 1236 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 1237 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 1238 * </ul> | |
| 1239 */ | |
| 1240 public CTabItem getItem (int index) { | |
| 1241 //checkWidget(); | |
| 1242 if (index < 0 || index >= items.length) | |
| 1243 SWT.error(SWT.ERROR_INVALID_RANGE); | |
| 1244 return items [index]; | |
| 1245 } | |
| 1246 /** | |
| 1247 * Gets the item at a point in the widget. | |
| 1248 * | |
| 1249 * @param pt the point in coordinates relative to the CTabFolder | |
| 1250 * @return the item at a point or null | |
| 1251 * | |
| 1252 * @exception SWTException <ul> | |
| 1253 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 1254 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 1255 * </ul> | |
| 1256 */ | |
| 1257 public CTabItem getItem (Point pt) { | |
| 1258 //checkWidget(); | |
| 1259 if (items.length is 0) return null; | |
| 1260 Point size = getSize(); | |
| 1261 if (size.x <= borderLeft + borderRight) return null; | |
| 1262 if (showChevron && chevronRect.contains(pt)) return null; | |
| 1263 for (int i = 0; i < priority.length; i++) { | |
| 1264 CTabItem item = items[priority[i]]; | |
| 1265 Rectangle rect = item.getBounds(); | |
| 1266 if (rect.contains(pt)) return item; | |
| 1267 } | |
| 1268 return null; | |
| 1269 } | |
| 1270 /** | |
| 1271 * Return the number of tabs in the folder. | |
| 1272 * | |
| 1273 * @return the number of tabs in the folder | |
| 1274 * | |
| 1275 * @exception SWTException <ul> | |
| 1276 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 1277 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 1278 * </ul> | |
| 1279 */ | |
| 1280 public int getItemCount(){ | |
| 1281 //checkWidget(); | |
| 1282 return items.length; | |
| 1283 } | |
| 1284 /** | |
| 1285 * Return the tab items. | |
| 1286 * | |
| 1287 * @return the tab items | |
| 1288 * | |
| 1289 * @exception SWTException <ul> | |
| 1290 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 1291 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 1292 * </ul> | |
| 1293 */ | |
| 1294 public CTabItem [] getItems() { | |
| 1295 //checkWidget(); | |
| 1296 CTabItem[] tabItems = new CTabItem [items.length]; | |
| 1297 System.arraycopy(items, 0, tabItems, 0, items.length); | |
| 1298 return tabItems; | |
| 1299 } | |
| 1300 /* | |
| 1301 * Return the lowercase of the first non-'&' character following | |
| 1302 * an '&' character in the given string. If there are no '&' | |
| 1303 * characters in the given string, return '\0'. | |
| 1304 */ | |
| 1305 dchar _findMnemonic (String string) { | |
| 1306 if (string is null) return '\0'; | |
| 1307 int index = 0; | |
| 1308 int length_ = string.length; | |
| 1309 do { | |
| 1310 while (index < length_ && string[index] !is '&') index++; | |
| 1311 if (++index >= length_) return '\0'; | |
|
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parents:
51
diff
changeset
|
1312 if (string[index] !is '&') return Character.toLowerCase (string.dcharAt (index)); |
| 25 | 1313 index++; |
| 1314 } while (index < length_); | |
| 1315 return '\0'; | |
| 1316 } | |
| 1317 String stripMnemonic (String string) { | |
| 1318 int index = 0; | |
| 1319 int length_ = string.length; | |
| 1320 do { | |
| 1321 while ((index < length_) && (string[index] !is '&')) index++; | |
| 1322 if (++index >= length_) return string; | |
| 1323 if (string[index] !is '&') { | |
| 1324 return string.substring(0, index-1) ~ string.substring(index, length_); | |
| 1325 } | |
| 1326 index++; | |
| 1327 } while (index < length_); | |
| 1328 return string; | |
| 1329 } | |
| 1330 /** | |
| 1331 * Returns <code>true</code> if the receiver is minimized. | |
| 1332 * | |
| 1333 * @return the receiver's minimized state | |
| 1334 * | |
| 1335 * @exception SWTException <ul> | |
| 1336 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1337 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1338 * </ul> | |
| 1339 * | |
| 1340 * @since 3.0 | |
| 1341 */ | |
| 1342 public bool getMinimized() { | |
| 1343 checkWidget(); | |
| 1344 return minimized; | |
| 1345 } | |
| 1346 /** | |
| 1347 * Returns <code>true</code> if the minimize button | |
| 1348 * is visible. | |
| 1349 * | |
| 1350 * @return the visibility of the minimized button | |
| 1351 * | |
| 1352 * @exception SWTException <ul> | |
| 1353 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1354 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1355 * </ul> | |
| 1356 * | |
| 1357 * @since 3.0 | |
| 1358 */ | |
| 1359 public bool getMinimizeVisible() { | |
| 1360 checkWidget(); | |
| 1361 return showMin; | |
| 1362 } | |
| 1363 /** | |
| 1364 * Returns the number of characters that will | |
| 1365 * appear in a fully compressed tab. | |
| 1366 * | |
| 1367 * @return number of characters that will appear in a fully compressed tab | |
| 1368 * | |
| 1369 * @since 3.0 | |
| 1370 */ | |
| 1371 public int getMinimumCharacters() { | |
| 1372 checkWidget(); | |
| 1373 return minChars; | |
| 1374 } | |
| 1375 /** | |
| 1376 * Returns <code>true</code> if the receiver is maximized. | |
| 1377 * <p> | |
| 1378 * | |
| 1379 * @return the receiver's maximized state | |
| 1380 * | |
| 1381 * @exception SWTException <ul> | |
| 1382 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1383 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1384 * </ul> | |
| 1385 * | |
| 1386 * @since 3.0 | |
| 1387 */ | |
| 1388 public bool getMaximized() { | |
| 1389 checkWidget(); | |
| 1390 return maximized; | |
| 1391 } | |
| 1392 /** | |
| 1393 * Returns <code>true</code> if the maximize button | |
| 1394 * is visible. | |
| 1395 * | |
| 1396 * @return the visibility of the maximized button | |
| 1397 * | |
| 1398 * @exception SWTException <ul> | |
| 1399 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1400 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1401 * </ul> | |
| 1402 * | |
| 1403 * @since 3.0 | |
| 1404 */ | |
| 1405 public bool getMaximizeVisible() { | |
| 1406 checkWidget(); | |
| 1407 return showMax; | |
| 1408 } | |
| 1409 /** | |
| 1410 * Returns <code>true</code> if the receiver displays most | |
| 1411 * recently used tabs and <code>false</code> otherwise. | |
| 1412 * <p> | |
| 1413 * When there is not enough horizontal space to show all the tabs, | |
| 1414 * by default, tabs are shown sequentially from left to right in | |
| 1415 * order of their index. When the MRU visibility is turned on, | |
| 1416 * the tabs that are visible will be the tabs most recently selected. | |
| 1417 * Tabs will still maintain their left to right order based on index | |
| 1418 * but only the most recently selected tabs are visible. | |
| 1419 * <p> | |
| 1420 * For example, consider a CTabFolder that contains "Tab 1", "Tab 2", | |
| 1421 * "Tab 3" and "Tab 4" (in order by index). The user selects | |
| 1422 * "Tab 1" and then "Tab 3". If the CTabFolder is now | |
| 1423 * compressed so that only two tabs are visible, by default, | |
| 1424 * "Tab 2" and "Tab 3" will be shown ("Tab 3" since it is currently | |
| 1425 * selected and "Tab 2" because it is the previous item in index order). | |
| 1426 * If MRU visibility is enabled, the two visible tabs will be "Tab 1" | |
| 1427 * and "Tab 3" (in that order from left to right).</p> | |
| 1428 * | |
| 1429 * @return the receiver's header's visibility state | |
| 1430 * | |
| 1431 * @exception SWTException <ul> | |
| 1432 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1433 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1434 * </ul> | |
| 1435 * | |
| 1436 * @since 3.1 | |
| 1437 */ | |
| 1438 public bool getMRUVisible() { | |
| 1439 checkWidget(); | |
| 1440 return mru; | |
| 1441 } | |
| 1442 int getRightItemEdge (){ | |
| 1443 int x = getSize().x - borderRight - 3; | |
| 1444 if (showMin) x -= BUTTON_SIZE; | |
| 1445 if (showMax) x -= BUTTON_SIZE; | |
| 1446 if (showChevron) x -= 3*BUTTON_SIZE/2; | |
| 1447 if (topRight !is null && topRightAlignment !is SWT.FILL) { | |
| 1448 Point rightSize = topRight.computeSize(SWT.DEFAULT, SWT.DEFAULT); | |
| 1449 x -= rightSize.x + 3; | |
| 1450 } | |
| 1451 return Math.max(0, x); | |
| 1452 } | |
| 1453 /** | |
| 1454 * Return the selected tab item, or null if there is no selection. | |
| 1455 * | |
| 1456 * @return the selected tab item, or null if none has been selected | |
| 1457 * | |
| 1458 * @exception SWTException <ul> | |
| 1459 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 1460 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 1461 * </ul> | |
| 1462 */ | |
| 1463 public CTabItem getSelection() { | |
| 1464 //checkWidget(); | |
| 1465 if (selectedIndex is -1) return null; | |
| 1466 return items[selectedIndex]; | |
| 1467 } | |
| 1468 /** | |
| 1469 * Returns the receiver's selection background color. | |
| 1470 * | |
| 1471 * @return the selection background color of the receiver | |
| 1472 * | |
| 1473 * @exception SWTException <ul> | |
| 1474 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1475 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1476 * </ul> | |
| 1477 * | |
| 1478 * @since 3.0 | |
| 1479 */ | |
| 1480 public Color getSelectionBackground() { | |
| 1481 checkWidget(); | |
| 1482 return selectionBackground; | |
| 1483 } | |
| 1484 /** | |
| 1485 * Returns the receiver's selection foreground color. | |
| 1486 * | |
| 1487 * @return the selection foreground color of the receiver | |
| 1488 * | |
| 1489 * @exception SWTException <ul> | |
| 1490 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 1491 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 1492 * </ul> | |
| 1493 * | |
| 1494 * @since 3.0 | |
| 1495 */ | |
| 1496 public Color getSelectionForeground() { | |
| 1497 checkWidget(); | |
| 1498 return selectionForeground; | |
| 1499 } | |
| 1500 /** | |
| 1501 * Return the index of the selected tab item, or -1 if there | |
| 1502 * is no selection. | |
| 1503 * | |
| 1504 * @return the index of the selected tab item or -1 | |
| 1505 * | |
| 1506 * @exception SWTException <ul> | |
| 1507 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 1508 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 1509 * </ul> | |
| 1510 */ | |
| 1511 public int getSelectionIndex() { | |
| 1512 //checkWidget(); | |
| 1513 return selectedIndex; | |
| 1514 } | |
| 1515 /** | |
| 1516 * Returns <code>true</code> if the CTabFolder is rendered | |
| 1517 * with a simple, traditional shape. | |
| 1518 * | |
| 1519 * @return <code>true</code> if the CTabFolder is rendered with a simple shape | |
| 1520 * | |
| 1521 * @since 3.0 | |
| 1522 */ | |
| 1523 public bool getSimple() { | |
| 1524 checkWidget(); | |
| 1525 return simple; | |
| 1526 } | |
| 1527 /** | |
| 1528 * Returns <code>true</code> if the CTabFolder only displays the selected tab | |
| 1529 * and <code>false</code> if the CTabFolder displays multiple tabs. | |
| 1530 * | |
| 1531 * @return <code>true</code> if the CTabFolder only displays the selected tab and <code>false</code> if the CTabFolder displays multiple tabs | |
| 1532 * | |
| 1533 * @since 3.0 | |
| 1534 */ | |
| 1535 public bool getSingle() { | |
| 1536 checkWidget(); | |
| 1537 return single; | |
| 1538 } | |
| 1539 | |
| 1540 public override int getStyle() { | |
| 1541 int style = super.getStyle(); | |
| 1542 style &= ~(SWT.TOP | SWT.BOTTOM); | |
| 1543 style |= onBottom ? SWT.BOTTOM : SWT.TOP; | |
| 1544 style &= ~(SWT.SINGLE | SWT.MULTI); | |
| 1545 style |= single ? SWT.SINGLE : SWT.MULTI; | |
| 1546 if (borderLeft !is 0) style |= SWT.BORDER; | |
| 1547 style &= ~SWT.CLOSE; | |
| 1548 if (showClose) style |= SWT.CLOSE; | |
| 1549 return style; | |
| 1550 } | |
| 1551 /** | |
| 1552 * Returns the height of the tab | |
| 1553 * | |
| 1554 * @return the height of the tab | |
| 1555 * | |
| 1556 * @exception SWTException <ul> | |
| 1557 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 1558 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 1559 * </ul> | |
| 1560 */ | |
| 1561 public int getTabHeight(){ | |
| 1562 checkWidget(); | |
| 1563 if (fixedTabHeight !is SWT.DEFAULT) return fixedTabHeight; | |
| 1564 return tabHeight - 1; // -1 for line drawn across top of tab | |
| 1565 } | |
| 1566 /** | |
| 1567 * Returns the position of the tab. Possible values are SWT.TOP or SWT.BOTTOM. | |
| 1568 * | |
| 1569 * @return the position of the tab | |
| 1570 * | |
| 1571 * @exception SWTException <ul> | |
| 1572 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 1573 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 1574 * </ul> | |
| 1575 */ | |
| 1576 public int getTabPosition(){ | |
| 1577 checkWidget(); | |
| 1578 return onBottom ? SWT.BOTTOM : SWT.TOP; | |
| 1579 } | |
| 1580 /** | |
| 1581 * Returns the control in the top right corner of the tab folder. | |
| 1582 * Typically this is a close button or a composite with a menu and close button. | |
| 1583 * | |
| 1584 * @return the control in the top right corner of the tab folder or null | |
| 1585 * | |
| 1586 * @exception SWTException <ul> | |
| 1587 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 1588 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 1589 * </ul> | |
| 1590 * | |
| 1591 * @since 2.1 | |
| 1592 */ | |
| 1593 public Control getTopRight() { | |
| 1594 checkWidget(); | |
| 1595 return topRight; | |
| 1596 } | |
| 1597 /** | |
| 1598 * Returns <code>true</code> if the close button appears | |
| 1599 * when the user hovers over an unselected tabs. | |
| 1600 * | |
| 1601 * @return <code>true</code> if the close button appears on unselected tabs | |
| 1602 * | |
| 1603 * @since 3.0 | |
| 1604 */ | |
| 1605 public bool getUnselectedCloseVisible() { | |
| 1606 checkWidget(); | |
| 1607 return showUnselectedClose; | |
| 1608 } | |
| 1609 /** | |
| 1610 * Returns <code>true</code> if an image appears | |
| 1611 * in unselected tabs. | |
| 1612 * | |
| 1613 * @return <code>true</code> if an image appears in unselected tabs | |
| 1614 * | |
| 1615 * @since 3.0 | |
| 1616 */ | |
| 1617 public bool getUnselectedImageVisible() { | |
| 1618 checkWidget(); | |
| 1619 return showUnselectedImage; | |
| 1620 } | |
| 1621 /** | |
| 1622 * Return the index of the specified tab or -1 if the tab is not | |
| 1623 * in the receiver. | |
| 1624 * | |
| 1625 * @param item the tab item for which the index is required | |
| 1626 * | |
| 1627 * @return the index of the specified tab item or -1 | |
| 1628 * | |
| 1629 * @exception IllegalArgumentException <ul> | |
| 1630 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 1631 * </ul> | |
| 1632 * | |
| 1633 * @exception SWTException <ul> | |
| 1634 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 1635 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 1636 * </ul> | |
| 1637 */ | |
| 1638 public int indexOf(CTabItem item) { | |
| 1639 checkWidget(); | |
| 1640 if (item is null) { | |
| 1641 SWT.error(SWT.ERROR_NULL_ARGUMENT); | |
| 1642 } | |
| 1643 for (int i = 0; i < items.length; i++) { | |
| 1644 if (items[i] is item) return i; | |
| 1645 } | |
| 1646 return -1; | |
| 1647 } | |
| 1648 void initAccessible() { | |
| 1649 Accessible accessible = getAccessible(); | |
| 1650 accessible.addAccessibleListener(new class() AccessibleAdapter { | |
| 1651 public void getName(AccessibleEvent e) { | |
| 1652 String name = null; | |
| 1653 int childID = e.childID; | |
| 1654 if (childID >= 0 && childID < items.length) { | |
| 1655 name = stripMnemonic(items[childID].getText()); | |
| 1656 } else if (childID is items.length + CHEVRON_CHILD_ID) { | |
| 1657 name = SWT.getMessage("SWT_ShowList"); //$NON-NLS-1$ | |
| 1658 } else if (childID is items.length + MINIMIZE_CHILD_ID) { | |
| 1659 name = minimized ? SWT.getMessage("SWT_Restore") : SWT.getMessage("SWT_Minimize"); //$NON-NLS-1$ //$NON-NLS-2$ | |
| 1660 } else if (childID is items.length + MAXIMIZE_CHILD_ID) { | |
| 1661 name = maximized ? SWT.getMessage("SWT_Restore") : SWT.getMessage("SWT_Maximize"); //$NON-NLS-1$ //$NON-NLS-2$ | |
| 1662 } | |
| 1663 e.result = name; | |
| 1664 } | |
| 1665 | |
| 1666 public void getHelp(AccessibleEvent e) { | |
| 1667 String help = null; | |
| 1668 int childID = e.childID; | |
| 1669 if (childID is ACC.CHILDID_SELF) { | |
| 1670 help = getToolTipText(); | |
| 1671 } else if (childID >= 0 && childID < items.length) { | |
| 1672 help = items[childID].getToolTipText(); | |
| 1673 } | |
| 1674 e.result = help; | |
| 1675 } | |
| 1676 | |
| 1677 public void getKeyboardShortcut(AccessibleEvent e) { | |
| 1678 String shortcut = null; | |
| 1679 int childID = e.childID; | |
| 1680 if (childID >= 0 && childID < items.length) { | |
| 1681 String text = items[childID].getText(); | |
| 1682 if (text !is null) { | |
| 1683 dchar mnemonic = _findMnemonic(text); | |
| 1684 if (mnemonic !is '\0') { | |
|
120
536e43f63c81
Comprehensive update for Win32/Linux32 dmd-2.053/dmd-1.068+Tango-r5661
Denis Shelomovskij <verylonglogin.reg@gmail.com>
parents:
51
diff
changeset
|
1685 shortcut = "Alt+"~dcharToString(mnemonic); //$NON-NLS-1$ |
| 25 | 1686 } |
| 1687 } | |
| 1688 } | |
| 1689 e.result = shortcut; | |
| 1690 } | |
| 1691 }); | |
| 1692 | |
| 1693 accessible.addAccessibleControlListener(new class() AccessibleControlAdapter { | |
| 1694 public void getChildAtPoint(AccessibleControlEvent e) { | |
| 1695 Point testPoint = toControl(e.x, e.y); | |
| 1696 int childID = ACC.CHILDID_NONE; | |
| 1697 for (int i = 0; i < items.length; i++) { | |
| 1698 if (items[i].getBounds().contains(testPoint)) { | |
| 1699 childID = i; | |
| 1700 break; | |
| 1701 } | |
| 1702 } | |
| 1703 if (childID is ACC.CHILDID_NONE) { | |
| 1704 if (showChevron && chevronRect.contains(testPoint)) { | |
| 1705 childID = items.length + CHEVRON_CHILD_ID; | |
| 1706 } else if (showMin && minRect.contains(testPoint)) { | |
| 1707 childID = items.length + MINIMIZE_CHILD_ID; | |
| 1708 } else if (showMax && maxRect.contains(testPoint)) { | |
| 1709 childID = items.length + MAXIMIZE_CHILD_ID; | |
| 1710 } else { | |
| 1711 Rectangle location = getBounds(); | |
| 1712 location.height = location.height - getClientArea().height; | |
| 1713 if (location.contains(testPoint)) { | |
| 1714 childID = ACC.CHILDID_SELF; | |
| 1715 } | |
| 1716 } | |
| 1717 } | |
| 1718 e.childID = childID; | |
| 1719 } | |
| 1720 | |
| 1721 public void getLocation(AccessibleControlEvent e) { | |
| 1722 Rectangle location = null; | |
| 1723 Point pt = null; | |
| 1724 int childID = e.childID; | |
| 1725 if (childID is ACC.CHILDID_SELF) { | |
| 1726 location = getBounds(); | |
| 1727 pt = getParent().toDisplay(location.x, location.y); | |
| 1728 } else { | |
| 1729 if (childID >= 0 && childID < items.length && items[childID].isShowing()) { | |
| 1730 location = items[childID].getBounds(); | |
| 1731 } else if (showChevron && childID is items.length + CHEVRON_CHILD_ID) { | |
| 1732 location = chevronRect; | |
| 1733 } else if (showMin && childID is items.length + MINIMIZE_CHILD_ID) { | |
| 1734 location = minRect; | |
| 1735 } else if (showMax && childID is items.length + MAXIMIZE_CHILD_ID) { | |
| 1736 location = maxRect; | |
| 1737 } | |
| 1738 if (location !is null) { | |
| 1739 pt = toDisplay(location.x, location.y); | |
| 1740 } | |
| 1741 } | |
| 1742 if (location !is null && pt !is null) { | |
| 1743 e.x = pt.x; | |
| 1744 e.y = pt.y; | |
| 1745 e.width = location.width; | |
| 1746 e.height = location.height; | |
| 1747 } | |
| 1748 } | |
| 1749 | |
| 1750 public void getChildCount(AccessibleControlEvent e) { | |
| 1751 e.detail = items.length + EXTRA_CHILD_ID_COUNT; | |
| 1752 } | |
| 1753 | |
| 1754 public void getDefaultAction(AccessibleControlEvent e) { | |
| 1755 String action = null; | |
| 1756 int childID = e.childID; | |
| 1757 if (childID >= 0 && childID < items.length) { | |
| 1758 action = SWT.getMessage ("SWT_Switch"); //$NON-NLS-1$ | |
| 1759 } | |
| 1760 if (childID >= items.length && childID < items.length + EXTRA_CHILD_ID_COUNT) { | |
| 1761 action = SWT.getMessage ("SWT_Press"); //$NON-NLS-1$ | |
| 1762 } | |
| 1763 e.result = action; | |
| 1764 } | |
| 1765 | |
| 1766 public void getFocus(AccessibleControlEvent e) { | |
| 1767 int childID = ACC.CHILDID_NONE; | |
| 1768 if (isFocusControl()) { | |
| 1769 if (selectedIndex is -1) { | |
| 1770 childID = ACC.CHILDID_SELF; | |
| 1771 } else { | |
| 1772 childID = selectedIndex; | |
| 1773 } | |
| 1774 } | |
| 1775 e.childID = childID; | |
| 1776 } | |
| 1777 | |
| 1778 public void getRole(AccessibleControlEvent e) { | |
| 1779 int role = 0; | |
| 1780 int childID = e.childID; | |
| 1781 if (childID is ACC.CHILDID_SELF) { | |
| 1782 role = ACC.ROLE_TABFOLDER; | |
| 1783 } else if (childID >= 0 && childID < items.length) { | |
| 1784 role = ACC.ROLE_TABITEM; | |
| 1785 } else if (childID >= items.length && childID < items.length + EXTRA_CHILD_ID_COUNT) { | |
| 1786 role = ACC.ROLE_PUSHBUTTON; | |
| 1787 } | |
| 1788 e.detail = role; | |
| 1789 } | |
| 1790 | |
| 1791 public void getSelection(AccessibleControlEvent e) { | |
| 1792 e.childID = (selectedIndex is -1) ? ACC.CHILDID_NONE : selectedIndex; | |
| 1793 } | |
| 1794 | |
| 1795 public void getState(AccessibleControlEvent e) { | |
| 1796 int state = 0; | |
| 1797 int childID = e.childID; | |
| 1798 if (childID is ACC.CHILDID_SELF) { | |
| 1799 state = ACC.STATE_NORMAL; | |
| 1800 } else if (childID >= 0 && childID < items.length) { | |
| 1801 state = ACC.STATE_SELECTABLE; | |
| 1802 if (isFocusControl()) { | |
| 1803 state |= ACC.STATE_FOCUSABLE; | |
| 1804 } | |
| 1805 if (selectedIndex is childID) { | |
| 1806 state |= ACC.STATE_SELECTED; | |
| 1807 if (isFocusControl()) { | |
| 1808 state |= ACC.STATE_FOCUSED; | |
| 1809 } | |
| 1810 } | |
| 1811 } else if (childID is items.length + CHEVRON_CHILD_ID) { | |
| 1812 state = showChevron ? ACC.STATE_NORMAL : ACC.STATE_INVISIBLE; | |
| 1813 } else if (childID is items.length + MINIMIZE_CHILD_ID) { | |
| 1814 state = showMin ? ACC.STATE_NORMAL : ACC.STATE_INVISIBLE; | |
| 1815 } else if (childID is items.length + MAXIMIZE_CHILD_ID) { | |
| 1816 state = showMax ? ACC.STATE_NORMAL : ACC.STATE_INVISIBLE; | |
| 1817 } | |
| 1818 e.detail = state; | |
| 1819 } | |
| 1820 | |
| 1821 public void getChildren(AccessibleControlEvent e) { | |
| 1822 int childIdCount = items.length + EXTRA_CHILD_ID_COUNT; | |
| 1823 Object[] children = new Object[childIdCount]; | |
| 1824 for (int i = 0; i < childIdCount; i++) { | |
| 1825 children[i] = new Integer(i); | |
| 1826 } | |
| 1827 e.children = children; | |
| 1828 } | |
| 1829 }); | |
| 1830 | |
| 1831 addListener(SWT.Selection, new class(accessible) Listener { | |
| 1832 Accessible acc; | |
| 1833 this( Accessible a ){ | |
| 1834 this.acc = a; | |
| 1835 } | |
| 1836 public void handleEvent(Event event) { | |
| 1837 if (isFocusControl()) { | |
| 1838 if (selectedIndex is -1) { | |
| 1839 acc.setFocus(ACC.CHILDID_SELF); | |
| 1840 } else { | |
| 1841 acc.setFocus(selectedIndex); | |
| 1842 } | |
| 1843 } | |
| 1844 } | |
| 1845 }); | |
| 1846 | |
| 1847 addListener(SWT.FocusIn, new class(accessible) Listener { | |
| 1848 Accessible acc; | |
| 1849 this( Accessible a ){ this.acc = a; } | |
| 1850 public void handleEvent(Event event) { | |
| 1851 if (selectedIndex is -1) { | |
| 1852 acc.setFocus(ACC.CHILDID_SELF); | |
| 1853 } else { | |
| 1854 acc.setFocus(selectedIndex); | |
| 1855 } | |
| 1856 } | |
| 1857 }); | |
| 1858 } | |
| 1859 | |
| 1860 void onKeyDown (Event event) { | |
| 1861 switch (event.keyCode) { | |
| 1862 case SWT.ARROW_LEFT: | |
| 1863 case SWT.ARROW_RIGHT: | |
| 1864 int count = items.length; | |
| 1865 if (count is 0) return; | |
| 1866 if (selectedIndex is -1) return; | |
| 1867 int leadKey = (getStyle() & SWT.RIGHT_TO_LEFT) !is 0 ? SWT.ARROW_RIGHT : SWT.ARROW_LEFT; | |
| 1868 int offset = event.keyCode is leadKey ? -1 : 1; | |
| 1869 int index; | |
| 1870 if (!mru) { | |
| 1871 index = selectedIndex + offset; | |
| 1872 } else { | |
| 1873 int[] visible = new int[items.length]; | |
| 1874 int idx = 0; | |
| 1875 int current = -1; | |
| 1876 for (int i = 0; i < items.length; i++) { | |
| 1877 if (items[i].showing) { | |
| 1878 if (i is selectedIndex) current = idx; | |
| 1879 visible [idx++] = i; | |
| 1880 } | |
| 1881 } | |
| 1882 if (current + offset >= 0 && current + offset < idx){ | |
| 1883 index = visible [current + offset]; | |
| 1884 } else { | |
| 1885 if (showChevron) { | |
| 1886 CTabFolderEvent e = new CTabFolderEvent(this); | |
| 1887 e.widget = this; | |
| 1888 e.time = event.time; | |
| 1889 e.x = chevronRect.x; | |
| 1890 e.y = chevronRect.y; | |
| 1891 e.width = chevronRect.width; | |
| 1892 e.height = chevronRect.height; | |
| 1893 e.doit = true; | |
| 1894 for (int i = 0; i < folderListeners.length; i++) { | |
| 1895 folderListeners[i].showList(e); | |
| 1896 } | |
| 1897 if (e.doit && !isDisposed()) { | |
| 1898 showList(chevronRect); | |
| 1899 } | |
| 1900 } | |
| 1901 return; | |
| 1902 } | |
| 1903 } | |
| 1904 if (index < 0 || index >= count) return; | |
| 1905 setSelection (index, true); | |
| 1906 forceFocus(); | |
| 1907 default: | |
| 1908 } | |
| 1909 } | |
| 1910 void onDispose(Event event) { | |
| 1911 removeListener(SWT.Dispose, listener); | |
| 1912 notifyListeners(SWT.Dispose, event); | |
| 1913 event.type = SWT.None; | |
| 1914 /* | |
| 1915 * Usually when an item is disposed, destroyItem will change the size of the items array, | |
| 1916 * reset the bounds of all the tabs and manage the widget associated with the tab. | |
| 1917 * Since the whole folder is being disposed, this is not necessary. For speed | |
| 1918 * the inDispose flag is used to skip over this part of the item dispose. | |
| 1919 */ | |
| 1920 inDispose = true; | |
| 1921 | |
| 1922 if (showMenu !is null && !showMenu.isDisposed()) { | |
| 1923 showMenu.dispose(); | |
| 1924 showMenu = null; | |
| 1925 } | |
| 1926 int length = items.length; | |
| 1927 for (int i = 0; i < length; i++) { | |
| 1928 if (items[i] !is null) { | |
| 1929 items[i].dispose(); | |
| 1930 } | |
| 1931 } | |
| 1932 | |
| 1933 selectionGradientColors = null; | |
| 1934 selectionGradientPercents = null; | |
| 1935 selectionBgImage = null; | |
| 1936 | |
| 1937 selectionBackground = null; | |
| 1938 selectionForeground = null; | |
| 1939 disposeSelectionHighlightGradientColors(); | |
| 1940 } | |
| 1941 void onDragDetect(Event event) { | |
| 1942 bool consume = false; | |
| 1943 if (chevronRect.contains(event.x, event.y) || | |
| 1944 minRect.contains(event.x, event.y) || | |
| 1945 maxRect.contains(event.x, event.y)){ | |
| 1946 consume = true; | |
| 1947 } else { | |
| 1948 for (int i = 0; i < items.length; i++) { | |
| 1949 if (items[i].closeRect.contains(event.x, event.y)) { | |
| 1950 consume = true; | |
| 1951 break; | |
| 1952 } | |
| 1953 } | |
| 1954 } | |
| 1955 if (consume) { | |
| 1956 event.type = SWT.None; | |
| 1957 } | |
| 1958 } | |
| 1959 void onFocus(Event event) { | |
| 1960 checkWidget(); | |
| 1961 if (selectedIndex >= 0) { | |
| 1962 redraw(); | |
| 1963 } else { | |
| 1964 setSelection(0, true); | |
| 1965 } | |
| 1966 } | |
| 1967 bool onMnemonic (Event event) { | |
| 1968 auto key = event.character; | |
| 1969 for (int i = 0; i < items.length; i++) { | |
| 1970 if (items[i] !is null) { | |
| 1971 auto mnemonic = _findMnemonic (items[i].getText ()); | |
| 1972 if (mnemonic !is '\0') { | |
| 1973 if ( CharacterToLower(key) is mnemonic) { | |
| 1974 setSelection(i, true); | |
| 1975 return true; | |
| 1976 } | |
| 1977 } | |
| 1978 } | |
| 1979 } | |
| 1980 return false; | |
| 1981 } | |
| 1982 void onMouseDoubleClick(Event event) { | |
| 1983 if (event.button !is 1 || | |
| 1984 (event.stateMask & SWT.BUTTON2) !is 0 || | |
| 1985 (event.stateMask & SWT.BUTTON3) !is 0) return; | |
| 1986 Event e = new Event(); | |
| 1987 e.item = getItem(new Point(event.x, event.y)); | |
| 1988 if (e.item !is null) { | |
| 1989 notifyListeners(SWT.DefaultSelection, e); | |
| 1990 } | |
| 1991 } | |
| 1992 void onMouse(Event event) { | |
| 1993 int x = event.x, y = event.y; | |
| 1994 switch (event.type) { | |
| 1995 case SWT.MouseEnter: { | |
| 1996 setToolTipText(null); | |
| 1997 break; | |
| 1998 } | |
| 1999 case SWT.MouseExit: { | |
| 2000 if (minImageState !is NORMAL) { | |
| 2001 minImageState = NORMAL; | |
| 2002 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
| 2003 } | |
| 2004 if (maxImageState !is NORMAL) { | |
| 2005 maxImageState = NORMAL; | |
| 2006 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
| 2007 } | |
| 2008 if (chevronImageState !is NORMAL) { | |
| 2009 chevronImageState = NORMAL; | |
| 2010 redraw(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, false); | |
| 2011 } | |
| 2012 for (int i=0; i<items.length; i++) { | |
| 2013 CTabItem item = items[i]; | |
| 2014 if (i !is selectedIndex && item.closeImageState !is NONE) { | |
| 2015 item.closeImageState = NONE; | |
| 2016 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
| 2017 } | |
| 2018 if (i is selectedIndex && item.closeImageState !is NORMAL) { | |
| 2019 item.closeImageState = NORMAL; | |
| 2020 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
| 2021 } | |
| 2022 } | |
| 2023 break; | |
| 2024 } | |
| 2025 case SWT.MouseDown: { | |
| 2026 if (minRect.contains(x, y)) { | |
| 2027 if (event.button !is 1) return; | |
| 2028 minImageState = SELECTED; | |
| 2029 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
| 2030 update(); | |
| 2031 return; | |
| 2032 } | |
| 2033 if (maxRect.contains(x, y)) { | |
| 2034 if (event.button !is 1) return; | |
| 2035 maxImageState = SELECTED; | |
| 2036 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
| 2037 update(); | |
| 2038 return; | |
| 2039 } | |
| 2040 if (chevronRect.contains(x, y)) { | |
| 2041 if (event.button !is 1) return; | |
| 2042 if (chevronImageState !is HOT) { | |
| 2043 chevronImageState = HOT; | |
| 2044 } else { | |
| 2045 chevronImageState = SELECTED; | |
| 2046 } | |
| 2047 redraw(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, false); | |
| 2048 update(); | |
| 2049 return; | |
| 2050 } | |
| 2051 CTabItem item = null; | |
| 2052 if (single) { | |
| 2053 if (selectedIndex !is -1) { | |
| 2054 Rectangle bounds = items[selectedIndex].getBounds(); | |
| 2055 if (bounds.contains(x, y)){ | |
| 2056 item = items[selectedIndex]; | |
| 2057 } | |
| 2058 } | |
| 2059 } else { | |
| 2060 for (int i=0; i<items.length; i++) { | |
| 2061 Rectangle bounds = items[i].getBounds(); | |
| 2062 if (bounds.contains(x, y)){ | |
| 2063 item = items[i]; | |
| 2064 } | |
| 2065 } | |
| 2066 } | |
| 2067 if (item !is null) { | |
| 2068 if (item.closeRect.contains(x,y)){ | |
| 2069 if (event.button !is 1) return; | |
| 2070 item.closeImageState = SELECTED; | |
| 2071 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
| 2072 update(); | |
| 2073 return; | |
| 2074 } | |
| 2075 int index = indexOf(item); | |
| 2076 if (item.showing){ | |
| 2077 setSelection(index, true); | |
| 2078 } | |
| 2079 return; | |
| 2080 } | |
| 2081 break; | |
| 2082 } | |
| 2083 case SWT.MouseMove: { | |
| 2084 _setToolTipText(event.x, event.y); | |
| 2085 bool close = false, minimize = false, maximize = false, chevron = false; | |
| 2086 if (minRect.contains(x, y)) { | |
| 2087 minimize = true; | |
| 2088 if (minImageState !is SELECTED && minImageState !is HOT) { | |
| 2089 minImageState = HOT; | |
| 2090 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
| 2091 } | |
| 2092 } | |
| 2093 if (maxRect.contains(x, y)) { | |
| 2094 maximize = true; | |
| 2095 if (maxImageState !is SELECTED && maxImageState !is HOT) { | |
| 2096 maxImageState = HOT; | |
| 2097 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
| 2098 } | |
| 2099 } | |
| 2100 if (chevronRect.contains(x, y)) { | |
| 2101 chevron = true; | |
| 2102 if (chevronImageState !is SELECTED && chevronImageState !is HOT) { | |
| 2103 chevronImageState = HOT; | |
| 2104 redraw(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, false); | |
| 2105 } | |
| 2106 } | |
| 2107 if (minImageState !is NORMAL && !minimize) { | |
| 2108 minImageState = NORMAL; | |
| 2109 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
| 2110 } | |
| 2111 if (maxImageState !is NORMAL && !maximize) { | |
| 2112 maxImageState = NORMAL; | |
| 2113 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
| 2114 } | |
| 2115 if (chevronImageState !is NORMAL && !chevron) { | |
| 2116 chevronImageState = NORMAL; | |
| 2117 redraw(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, false); | |
| 2118 } | |
| 2119 for (int i=0; i<items.length; i++) { | |
| 2120 CTabItem item = items[i]; | |
| 2121 close = false; | |
| 2122 if (item.getBounds().contains(x, y)) { | |
| 2123 close = true; | |
| 2124 if (item.closeRect.contains(x, y)) { | |
| 2125 if (item.closeImageState !is SELECTED && item.closeImageState !is HOT) { | |
| 2126 item.closeImageState = HOT; | |
| 2127 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
| 2128 } | |
| 2129 } else { | |
| 2130 if (item.closeImageState !is NORMAL) { | |
| 2131 item.closeImageState = NORMAL; | |
| 2132 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
| 2133 } | |
| 2134 } | |
| 2135 } | |
| 2136 if (i !is selectedIndex && item.closeImageState !is NONE && !close) { | |
| 2137 item.closeImageState = NONE; | |
| 2138 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
| 2139 } | |
| 2140 if (i is selectedIndex && item.closeImageState !is NORMAL && !close) { | |
| 2141 item.closeImageState = NORMAL; | |
| 2142 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
| 2143 } | |
| 2144 } | |
| 2145 break; | |
| 2146 } | |
| 2147 case SWT.MouseUp: { | |
| 2148 if (event.button !is 1) return; | |
| 2149 if (chevronRect.contains(x, y)) { | |
| 2150 bool selected = chevronImageState is SELECTED; | |
| 2151 if (!selected) return; | |
| 2152 CTabFolderEvent e = new CTabFolderEvent(this); | |
| 2153 e.widget = this; | |
| 2154 e.time = event.time; | |
| 2155 e.x = chevronRect.x; | |
| 2156 e.y = chevronRect.y; | |
| 2157 e.width = chevronRect.width; | |
| 2158 e.height = chevronRect.height; | |
| 2159 e.doit = true; | |
| 2160 for (int i = 0; i < folderListeners.length; i++) { | |
| 2161 folderListeners[i].showList(e); | |
| 2162 } | |
| 2163 if (e.doit && !isDisposed()) { | |
| 2164 showList(chevronRect); | |
| 2165 } | |
| 2166 return; | |
| 2167 } | |
| 2168 if (minRect.contains(x, y)) { | |
| 2169 bool selected = minImageState is SELECTED; | |
| 2170 minImageState = HOT; | |
| 2171 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
| 2172 if (!selected) return; | |
| 2173 CTabFolderEvent e = new CTabFolderEvent(this); | |
| 2174 e.widget = this; | |
| 2175 e.time = event.time; | |
| 2176 for (int i = 0; i < folderListeners.length; i++) { | |
| 2177 if (minimized) { | |
| 2178 folderListeners[i].restore(e); | |
| 2179 } else { | |
| 2180 folderListeners[i].minimize(e); | |
| 2181 } | |
| 2182 } | |
| 2183 return; | |
| 2184 } | |
| 2185 if (maxRect.contains(x, y)) { | |
| 2186 bool selected = maxImageState is SELECTED; | |
| 2187 maxImageState = HOT; | |
| 2188 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
| 2189 if (!selected) return; | |
| 2190 CTabFolderEvent e = new CTabFolderEvent(this); | |
| 2191 e.widget = this; | |
| 2192 e.time = event.time; | |
| 2193 for (int i = 0; i < folderListeners.length; i++) { | |
| 2194 if (maximized) { | |
| 2195 folderListeners[i].restore(e); | |
| 2196 } else { | |
| 2197 folderListeners[i].maximize(e); | |
| 2198 } | |
| 2199 } | |
| 2200 return; | |
| 2201 } | |
| 2202 CTabItem item = null; | |
| 2203 if (single) { | |
| 2204 if (selectedIndex !is -1) { | |
| 2205 Rectangle bounds = items[selectedIndex].getBounds(); | |
| 2206 if (bounds.contains(x, y)){ | |
| 2207 item = items[selectedIndex]; | |
| 2208 } | |
| 2209 } | |
| 2210 } else { | |
| 2211 for (int i=0; i<items.length; i++) { | |
| 2212 Rectangle bounds = items[i].getBounds(); | |
| 2213 if (bounds.contains(x, y)){ | |
| 2214 item = items[i]; | |
| 2215 } | |
| 2216 } | |
| 2217 } | |
| 2218 if (item !is null) { | |
| 2219 if (item.closeRect.contains(x,y)) { | |
| 2220 bool selected = item.closeImageState is SELECTED; | |
| 2221 item.closeImageState = HOT; | |
| 2222 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
| 2223 if (!selected) return; | |
| 2224 CTabFolderEvent e = new CTabFolderEvent(this); | |
| 2225 e.widget = this; | |
| 2226 e.time = event.time; | |
| 2227 e.item = item; | |
| 2228 e.doit = true; | |
| 2229 for (int j = 0; j < folderListeners.length; j++) { | |
| 2230 CTabFolder2Listener listener = folderListeners[j]; | |
| 2231 listener.close(e); | |
| 2232 } | |
| 2233 for (int j = 0; j < tabListeners.length; j++) { | |
| 2234 CTabFolderListener listener = tabListeners[j]; | |
| 2235 listener.itemClosed(e); | |
| 2236 } | |
| 2237 if (e.doit) item.dispose(); | |
| 2238 if (!isDisposed() && item.isDisposed()) { | |
| 2239 Display display = getDisplay(); | |
| 2240 Point pt = display.getCursorLocation(); | |
| 2241 pt = display.map(null, this, pt.x, pt.y); | |
| 2242 CTabItem nextItem = getItem(pt); | |
| 2243 if (nextItem !is null) { | |
| 2244 if (nextItem.closeRect.contains(pt)) { | |
| 2245 if (nextItem.closeImageState !is SELECTED && nextItem.closeImageState !is HOT) { | |
| 2246 nextItem.closeImageState = HOT; | |
| 2247 redraw(nextItem.closeRect.x, nextItem.closeRect.y, nextItem.closeRect.width, nextItem.closeRect.height, false); | |
| 2248 } | |
| 2249 } else { | |
| 2250 if (nextItem.closeImageState !is NORMAL) { | |
| 2251 nextItem.closeImageState = NORMAL; | |
| 2252 redraw(nextItem.closeRect.x, nextItem.closeRect.y, nextItem.closeRect.width, nextItem.closeRect.height, false); | |
| 2253 } | |
| 2254 } | |
| 2255 } | |
| 2256 } | |
| 2257 return; | |
| 2258 } | |
| 2259 } | |
| 2260 default: | |
| 2261 } | |
| 2262 } | |
| 2263 } | |
| 2264 bool onPageTraversal(Event event) { | |
| 2265 int count = items.length; | |
| 2266 if (count is 0) return false; | |
| 2267 int index = selectedIndex; | |
| 2268 if (index is -1) { | |
| 2269 index = 0; | |
| 2270 } else { | |
| 2271 int offset = (event.detail is SWT.TRAVERSE_PAGE_NEXT) ? 1 : -1; | |
| 2272 if (!mru) { | |
| 2273 index = (selectedIndex + offset + count) % count; | |
| 2274 } else { | |
| 2275 int[] visible = new int[items.length]; | |
| 2276 int idx = 0; | |
| 2277 int current = -1; | |
| 2278 for (int i = 0; i < items.length; i++) { | |
| 2279 if (items[i].showing) { | |
| 2280 if (i is selectedIndex) current = idx; | |
| 2281 visible [idx++] = i; | |
| 2282 } | |
| 2283 } | |
| 2284 if (current + offset >= 0 && current + offset < idx){ | |
| 2285 index = visible [current + offset]; | |
| 2286 } else { | |
| 2287 if (showChevron) { | |
| 2288 CTabFolderEvent e = new CTabFolderEvent(this); | |
| 2289 e.widget = this; | |
| 2290 e.time = event.time; | |
| 2291 e.x = chevronRect.x; | |
| 2292 e.y = chevronRect.y; | |
| 2293 e.width = chevronRect.width; | |
| 2294 e.height = chevronRect.height; | |
| 2295 e.doit = true; | |
| 2296 for (int i = 0; i < folderListeners.length; i++) { | |
| 2297 folderListeners[i].showList(e); | |
| 2298 } | |
| 2299 if (e.doit && !isDisposed()) { | |
| 2300 showList(chevronRect); | |
| 2301 } | |
| 2302 } | |
| 2303 return true; | |
| 2304 } | |
| 2305 } | |
| 2306 } | |
| 2307 setSelection (index, true); | |
| 2308 return true; | |
| 2309 } | |
| 2310 void onPaint(Event event) { | |
| 2311 if (inDispose) return; | |
| 2312 Font font = getFont(); | |
| 2313 if (oldFont is null || oldFont!=font) { | |
| 2314 // handle case where default font changes | |
| 2315 oldFont = font; | |
| 2316 if (!updateTabHeight(false)) { | |
| 2317 updateItems(); | |
| 2318 redraw(); | |
| 2319 return; | |
| 2320 } | |
| 2321 } | |
| 2322 | |
| 2323 GC gc = event.gc; | |
| 2324 Font gcFont = gc.getFont(); | |
| 2325 Color gcBackground = gc.getBackground(); | |
| 2326 Color gcForeground = gc.getForeground(); | |
| 2327 | |
| 2328 // Useful for debugging paint problems | |
| 2329 //{ | |
| 2330 //Point size = getSize(); | |
| 2331 //gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_GREEN)); | |
| 2332 //gc.fillRectangle(-10, -10, size.x + 20, size.y+20); | |
| 2333 //} | |
| 2334 | |
| 2335 drawBody(event); | |
| 2336 | |
| 2337 gc.setFont(gcFont); | |
| 2338 gc.setForeground(gcForeground); | |
| 2339 gc.setBackground(gcBackground); | |
| 2340 | |
| 2341 drawTabArea(event); | |
| 2342 | |
| 2343 gc.setFont(gcFont); | |
| 2344 gc.setForeground(gcForeground); | |
| 2345 gc.setBackground(gcBackground); | |
| 2346 } | |
| 2347 | |
| 2348 void onResize() { | |
| 2349 if (updateItems()) redrawTabs(); | |
| 2350 | |
| 2351 Point size = getSize(); | |
| 2352 if (oldSize is null) { | |
| 2353 redraw(); | |
| 2354 } else { | |
| 2355 if (onBottom && size.y !is oldSize.y) { | |
| 2356 redraw(); | |
| 2357 } else { | |
| 2358 int x1 = Math.min(size.x, oldSize.x); | |
| 2359 if (size.x !is oldSize.x) x1 -= borderRight + highlight_margin + 2; | |
| 2360 if (!simple) x1 -= 5; // rounded top right corner | |
| 2361 int y1 = Math.min(size.y, oldSize.y); | |
| 2362 if (size.y !is oldSize.y) y1 -= borderBottom + highlight_margin; | |
| 2363 int x2 = Math.max(size.x, oldSize.x); | |
| 2364 int y2 = Math.max(size.y, oldSize.y); | |
| 2365 redraw(0, y1, x2, y2 - y1, false); | |
| 2366 redraw(x1, 0, x2 - x1, y2, false); | |
| 2367 } | |
| 2368 } | |
| 2369 oldSize = size; | |
| 2370 } | |
| 2371 void onTraverse (Event event) { | |
| 2372 switch (event.detail) { | |
| 2373 case SWT.TRAVERSE_ESCAPE: | |
| 2374 case SWT.TRAVERSE_RETURN: | |
| 2375 case SWT.TRAVERSE_TAB_NEXT: | |
| 2376 case SWT.TRAVERSE_TAB_PREVIOUS: | |
| 2377 Control focusControl = getDisplay().getFocusControl(); | |
| 2378 if (focusControl is this) event.doit = true; | |
| 2379 break; | |
| 2380 case SWT.TRAVERSE_MNEMONIC: | |
| 2381 event.doit = onMnemonic(event); | |
| 2382 if (event.doit) event.detail = SWT.TRAVERSE_NONE; | |
| 2383 break; | |
| 2384 case SWT.TRAVERSE_PAGE_NEXT: | |
| 2385 case SWT.TRAVERSE_PAGE_PREVIOUS: | |
| 2386 event.doit = onPageTraversal(event); | |
| 2387 event.detail = SWT.TRAVERSE_NONE; | |
| 2388 break; | |
| 2389 default: | |
| 2390 } | |
| 2391 } | |
| 2392 void redrawTabs() { | |
| 2393 Point size = getSize(); | |
| 2394 if (onBottom) { | |
| 2395 redraw(0, size.y - borderBottom - tabHeight - highlight_header - 1, size.x, borderBottom + tabHeight + highlight_header + 1, false); | |
| 2396 } else { | |
| 2397 redraw(0, 0, size.x, borderTop + tabHeight + highlight_header + 1, false); | |
| 2398 } | |
| 2399 } | |
| 2400 /** | |
| 2401 * Removes the listener. | |
| 2402 * | |
| 2403 * @param listener the listener which should no longer be notified | |
| 2404 * | |
| 2405 * @exception IllegalArgumentException <ul> | |
| 2406 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 2407 * </ul> | |
| 2408 * | |
| 2409 * @exception SWTException <ul> | |
| 2410 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 2411 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 2412 * </ul> | |
| 2413 * | |
| 2414 * @see #addCTabFolder2Listener(CTabFolder2Listener) | |
| 2415 * | |
| 2416 * @since 3.0 | |
| 2417 */ | |
| 2418 public void removeCTabFolder2Listener(CTabFolder2Listener listener) { | |
| 2419 checkWidget(); | |
| 2420 if (listener is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
| 2421 if (folderListeners.length is 0) return; | |
| 2422 int index = -1; | |
| 2423 for (int i = 0; i < folderListeners.length; i++) { | |
| 2424 if (listener is folderListeners[i]){ | |
| 2425 index = i; | |
| 2426 break; | |
| 2427 } | |
| 2428 } | |
| 2429 if (index is -1) return; | |
| 2430 if (folderListeners.length is 1) { | |
| 2431 folderListeners = new CTabFolder2Listener[0]; | |
| 2432 return; | |
| 2433 } | |
| 2434 CTabFolder2Listener[] newTabListeners = new CTabFolder2Listener[folderListeners.length - 1]; | |
| 2435 SimpleType!(CTabFolder2Listener).arraycopy(folderListeners, 0, newTabListeners, 0, index); | |
| 2436 SimpleType!(CTabFolder2Listener).arraycopy(folderListeners, index + 1, newTabListeners, index, folderListeners.length - index - 1); | |
| 2437 folderListeners = newTabListeners; | |
| 2438 } | |
| 2439 /** | |
| 2440 * Removes the listener. | |
| 2441 * | |
| 2442 * @param listener the listener which should no longer be notified | |
| 2443 * | |
| 2444 * @exception IllegalArgumentException <ul> | |
| 2445 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 2446 * </ul> | |
| 2447 * | |
| 2448 * @exception SWTException <ul> | |
| 2449 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 2450 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 2451 * </ul> | |
| 2452 * | |
| 2453 * @deprecated see removeCTabFolderCloseListener(CTabFolderListener) | |
| 2454 */ | |
| 2455 public void removeCTabFolderListener(CTabFolderListener listener) { | |
| 2456 checkWidget(); | |
| 2457 if (listener is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
| 2458 if (tabListeners.length is 0) return; | |
| 2459 int index = -1; | |
| 2460 for (int i = 0; i < tabListeners.length; i++) { | |
| 2461 if (listener is tabListeners[i]){ | |
| 2462 index = i; | |
| 2463 break; | |
| 2464 } | |
| 2465 } | |
| 2466 if (index is -1) return; | |
| 2467 if (tabListeners.length is 1) { | |
| 2468 tabListeners = new CTabFolderListener[0]; | |
| 2469 return; | |
| 2470 } | |
| 2471 CTabFolderListener[] newTabListeners = new CTabFolderListener[tabListeners.length - 1]; | |
| 2472 SimpleType!(CTabFolderListener).arraycopy(tabListeners, 0, newTabListeners, 0, index); | |
| 2473 SimpleType!(CTabFolderListener).arraycopy(tabListeners, index + 1, newTabListeners, index, tabListeners.length - index - 1); | |
| 2474 tabListeners = newTabListeners; | |
| 2475 } | |
| 2476 /** | |
| 2477 * Removes the listener from the collection of listeners who will | |
| 2478 * be notified when the user changes the receiver's selection. | |
| 2479 * | |
| 2480 * @param listener the listener which should no longer be notified | |
| 2481 * | |
| 2482 * @exception IllegalArgumentException <ul> | |
| 2483 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
| 2484 * </ul> | |
| 2485 * @exception SWTException <ul> | |
| 2486 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2487 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2488 * </ul> | |
| 2489 * | |
| 2490 * @see SelectionListener | |
| 2491 * @see #addSelectionListener | |
| 2492 */ | |
| 2493 public void removeSelectionListener(SelectionListener listener) { | |
| 2494 checkWidget(); | |
| 2495 if (listener is null) { | |
| 2496 SWT.error(SWT.ERROR_NULL_ARGUMENT); | |
| 2497 } | |
| 2498 removeListener(SWT.Selection, listener); | |
| 2499 removeListener(SWT.DefaultSelection, listener); | |
| 2500 } | |
| 2501 public override void setBackground (Color color) { | |
| 2502 super.setBackground(color); | |
| 2503 redraw(); | |
| 2504 } | |
| 2505 /** | |
| 2506 * Specify a gradient of colours to be drawn in the background of the unselected tabs. | |
| 2507 * For example to draw a gradient that varies from dark blue to blue and then to | |
| 2508 * white, use the following call to setBackground: | |
| 2509 * <pre> | |
| 2510 * cfolder.setBackground(new Color[]{display.getSystemColor(SWT.COLOR_DARK_BLUE), | |
| 2511 * display.getSystemColor(SWT.COLOR_BLUE), | |
| 2512 * display.getSystemColor(SWT.COLOR_WHITE), | |
| 2513 * display.getSystemColor(SWT.COLOR_WHITE)}, | |
| 2514 * new int[] {25, 50, 100}); | |
| 2515 * </pre> | |
| 2516 * | |
| 2517 * @param colors an array of Color that specifies the colors to appear in the gradient | |
| 2518 * in order of appearance left to right. The value <code>null</code> clears the | |
| 2519 * background gradient. The value <code>null</code> can be used inside the array of | |
| 2520 * Color to specify the background color. | |
| 2521 * @param percents an array of integers between 0 and 100 specifying the percent of the width | |
| 2522 * of the widget at which the color should change. The size of the percents array must be one | |
| 2523 * less than the size of the colors array. | |
| 2524 * | |
| 2525 * @exception SWTException <ul> | |
| 2526 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 2527 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 2528 * </ul> | |
| 2529 * | |
| 2530 * @since 3.0 | |
| 2531 */ | |
| 2532 void setBackground(Color[] colors, int[] percents) { | |
| 2533 setBackground(colors, percents, false); | |
| 2534 } | |
| 2535 /** | |
| 2536 * Specify a gradient of colours to be drawn in the background of the unselected tab. | |
| 2537 * For example to draw a vertical gradient that varies from dark blue to blue and then to | |
| 2538 * white, use the following call to setBackground: | |
| 2539 * <pre> | |
| 2540 * cfolder.setBackground(new Color[]{display.getSystemColor(SWT.COLOR_DARK_BLUE), | |
| 2541 * display.getSystemColor(SWT.COLOR_BLUE), | |
| 2542 * display.getSystemColor(SWT.COLOR_WHITE), | |
| 2543 * display.getSystemColor(SWT.COLOR_WHITE)}, | |
| 2544 * new int[] {25, 50, 100}, true); | |
| 2545 * </pre> | |
| 2546 * | |
| 2547 * @param colors an array of Color that specifies the colors to appear in the gradient | |
| 2548 * in order of appearance left to right. The value <code>null</code> clears the | |
| 2549 * background gradient. The value <code>null</code> can be used inside the array of | |
| 2550 * Color to specify the background color. | |
| 2551 * @param percents an array of integers between 0 and 100 specifying the percent of the width | |
| 2552 * of the widget at which the color should change. The size of the percents array must be one | |
| 2553 * less than the size of the colors array. | |
| 2554 * | |
| 2555 * @param vertical indicate the direction of the gradient. True is vertical and false is horizontal. | |
| 2556 * | |
| 2557 * @exception SWTException <ul> | |
| 2558 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 2559 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 2560 * </ul> | |
| 2561 * | |
| 2562 * @since 3.0 | |
| 2563 */ | |
| 2564 void setBackground(Color[] colors, int[] percents, bool vertical) { | |
| 2565 checkWidget(); | |
| 2566 if (colors !is null) { | |
| 2567 if (percents is null || percents.length !is colors.length - 1) { | |
| 2568 SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 2569 } | |
| 2570 for (int i = 0; i < percents.length; i++) { | |
| 2571 if (percents[i] < 0 || percents[i] > 100) { | |
| 2572 SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 2573 } | |
| 2574 if (i > 0 && percents[i] < percents[i-1]) { | |
| 2575 SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 2576 } | |
| 2577 } | |
| 2578 if (getDisplay().getDepth() < 15) { | |
| 2579 // Don't use gradients on low color displays | |
| 2580 colors = [colors[colors.length - 1]]; | |
| 2581 percents = null; | |
| 2582 } | |
| 2583 } | |
| 2584 | |
| 2585 // Are these settings the same as before? | |
| 2586 if (bgImage is null) { | |
| 2587 if ((gradientColors !is null) && (colors !is null) && | |
| 2588 (gradientColors.length is colors.length)) { | |
| 2589 bool same = false; | |
| 2590 for (int i = 0; i < gradientColors.length; i++) { | |
| 2591 if (gradientColors[i] is null) { | |
| 2592 same = colors[i] is null; | |
| 2593 } else { | |
| 2594 same = cast(bool)(gradientColors[i]==colors[i]); | |
| 2595 } | |
| 2596 if (!same) break; | |
| 2597 } | |
| 2598 if (same) { | |
| 2599 for (int i = 0; i < gradientPercents.length; i++) { | |
| 2600 same = gradientPercents[i] is percents[i]; | |
| 2601 if (!same) break; | |
| 2602 } | |
| 2603 } | |
| 2604 if (same && this.gradientVertical is vertical) return; | |
| 2605 } | |
| 2606 } else { | |
| 2607 bgImage = null; | |
| 2608 } | |
| 2609 // Store the new settings | |
| 2610 if (colors is null) { | |
| 2611 gradientColors = null; | |
| 2612 gradientPercents = null; | |
| 2613 gradientVertical = false; | |
| 2614 setBackground(cast(Color)null); | |
| 2615 } else { | |
| 2616 gradientColors = new Color[colors.length]; | |
| 2617 for (int i = 0; i < colors.length; ++i) { | |
| 2618 gradientColors[i] = colors[i]; | |
| 2619 } | |
| 2620 gradientPercents = new int[percents.length]; | |
| 2621 for (int i = 0; i < percents.length; ++i) { | |
| 2622 gradientPercents[i] = percents[i]; | |
| 2623 } | |
| 2624 gradientVertical = vertical; | |
| 2625 setBackground(gradientColors[gradientColors.length-1]); | |
| 2626 } | |
| 2627 | |
| 2628 // Refresh with the new settings | |
| 2629 redraw(); | |
| 2630 } | |
| 2631 | |
| 2632 /** | |
| 2633 * Set the image to be drawn in the background of the unselected tab. Image | |
| 2634 * is stretched or compressed to cover entire unselected tab area. | |
| 2635 * | |
| 2636 * @param image the image to be drawn in the background | |
| 2637 * | |
| 2638 * @exception SWTException <ul> | |
| 2639 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2640 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2641 * </ul> | |
| 2642 * | |
| 2643 * @since 3.0 | |
| 2644 */ | |
| 2645 void setBackground(Image image) { | |
| 2646 checkWidget(); | |
| 2647 if (image is bgImage) return; | |
| 2648 if (image !is null) { | |
| 2649 gradientColors = null; | |
| 2650 gradientPercents = null; | |
| 2651 } | |
| 2652 bgImage = image; | |
| 2653 redraw(); | |
| 2654 } | |
| 2655 /** | |
| 2656 * Toggle the visibility of the border | |
| 2657 * | |
| 2658 * @param show true if the border should be displayed | |
| 2659 * | |
| 2660 * @exception SWTException <ul> | |
| 2661 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2662 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2663 * </ul> | |
| 2664 */ | |
| 2665 public void setBorderVisible(bool show) { | |
| 2666 checkWidget(); | |
| 2667 if ((borderLeft is 1) is show) return; | |
| 2668 borderLeft = borderRight = show ? 1 : 0; | |
| 2669 borderTop = onBottom ? borderLeft : 0; | |
| 2670 borderBottom = onBottom ? 0 : borderLeft; | |
| 2671 Rectangle rectBefore = getClientArea(); | |
| 2672 updateItems(); | |
| 2673 Rectangle rectAfter = getClientArea(); | |
| 2674 if (rectBefore!=rectAfter) { | |
| 2675 notifyListeners(SWT.Resize, new Event()); | |
| 2676 } | |
| 2677 redraw(); | |
| 2678 } | |
| 2679 void setButtonBounds() { | |
| 2680 Point size = getSize(); | |
| 2681 int oldX, oldY, oldWidth, oldHeight; | |
| 2682 // max button | |
| 2683 oldX = maxRect.x; | |
| 2684 oldY = maxRect.y; | |
| 2685 oldWidth = maxRect.width; | |
| 2686 oldHeight = maxRect.height; | |
| 2687 maxRect.x = maxRect.y = maxRect.width = maxRect.height = 0; | |
| 2688 if (showMax) { | |
| 2689 maxRect.x = size.x - borderRight - BUTTON_SIZE - 3; | |
| 2690 if (borderRight > 0) maxRect.x += 1; | |
| 2691 maxRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - BUTTON_SIZE)/2: borderTop + (tabHeight - BUTTON_SIZE)/2; | |
| 2692 maxRect.width = BUTTON_SIZE; | |
| 2693 maxRect.height = BUTTON_SIZE; | |
| 2694 } | |
| 2695 if (oldX !is maxRect.x || oldWidth !is maxRect.width || | |
| 2696 oldY !is maxRect.y || oldHeight !is maxRect.height) { | |
| 2697 int left = Math.min(oldX, maxRect.x); | |
| 2698 int right = Math.max(oldX + oldWidth, maxRect.x + maxRect.width); | |
| 2699 int top = onBottom ? size.y - borderBottom - tabHeight: borderTop + 1; | |
| 2700 redraw(left, top, right - left, tabHeight, false); | |
| 2701 } | |
| 2702 | |
| 2703 // min button | |
| 2704 oldX = minRect.x; | |
| 2705 oldY = minRect.y; | |
| 2706 oldWidth = minRect.width; | |
| 2707 oldHeight = minRect.height; | |
| 2708 minRect.x = minRect.y = minRect.width = minRect.height = 0; | |
| 2709 if (showMin) { | |
| 2710 minRect.x = size.x - borderRight - maxRect.width - BUTTON_SIZE - 3; | |
| 2711 if (borderRight > 0) minRect.x += 1; | |
| 2712 minRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - BUTTON_SIZE)/2: borderTop + (tabHeight - BUTTON_SIZE)/2; | |
| 2713 minRect.width = BUTTON_SIZE; | |
| 2714 minRect.height = BUTTON_SIZE; | |
| 2715 } | |
| 2716 if (oldX !is minRect.x || oldWidth !is minRect.width || | |
| 2717 oldY !is minRect.y || oldHeight !is minRect.height) { | |
| 2718 int left = Math.min(oldX, minRect.x); | |
| 2719 int right = Math.max(oldX + oldWidth, minRect.x + minRect.width); | |
| 2720 int top = onBottom ? size.y - borderBottom - tabHeight: borderTop + 1; | |
| 2721 redraw(left, top, right - left, tabHeight, false); | |
| 2722 } | |
| 2723 | |
| 2724 // top right control | |
| 2725 oldX = topRightRect.x; | |
| 2726 oldY = topRightRect.y; | |
| 2727 oldWidth = topRightRect.width; | |
| 2728 oldHeight = topRightRect.height; | |
| 2729 topRightRect.x = topRightRect.y = topRightRect.width = topRightRect.height = 0; | |
| 2730 if (topRight !is null) { | |
| 2731 switch (topRightAlignment) { | |
| 2732 case SWT.FILL: { | |
| 2733 int rightEdge = size.x - borderRight - 3 - maxRect.width - minRect.width; | |
| 2734 if (!simple && borderRight > 0 && !showMax && !showMin) rightEdge -= 2; | |
| 2735 if (single) { | |
| 2736 if (items.length is 0 || selectedIndex is -1) { | |
| 2737 topRightRect.x = borderLeft + 3; | |
| 2738 topRightRect.width = rightEdge - topRightRect.x; | |
| 2739 } else { | |
| 2740 // fill size is 0 if item compressed | |
| 2741 CTabItem item = items[selectedIndex]; | |
| 2742 if (item.x + item.width + 7 + 3*BUTTON_SIZE/2 >= rightEdge) break; | |
| 2743 topRightRect.x = item.x + item.width + 7 + 3*BUTTON_SIZE/2; | |
| 2744 topRightRect.width = rightEdge - topRightRect.x; | |
| 2745 } | |
| 2746 } else { | |
| 2747 // fill size is 0 if chevron showing | |
| 2748 if (showChevron) break; | |
| 2749 if (items.length is 0) { | |
| 2750 topRightRect.x = borderLeft + 3; | |
| 2751 } else { | |
| 2752 CTabItem item = items[items.length - 1]; | |
| 2753 topRightRect.x = item.x + item.width; | |
| 2754 if (!simple && items.length - 1 is selectedIndex) topRightRect.x += curveWidth - curveIndent; | |
| 2755 } | |
| 2756 topRightRect.width = Math.max(0, rightEdge - topRightRect.x); | |
| 2757 } | |
| 2758 topRightRect.y = onBottom ? size.y - borderBottom - tabHeight: borderTop + 1; | |
| 2759 topRightRect.height = tabHeight - 1; | |
| 2760 break; | |
| 2761 } | |
| 2762 case SWT.RIGHT: { | |
| 2763 Point topRightSize = topRight.computeSize(SWT.DEFAULT, tabHeight, false); | |
| 2764 int rightEdge = size.x - borderRight - 3 - maxRect.width - minRect.width; | |
| 2765 if (!simple && borderRight > 0 && !showMax && !showMin) rightEdge -= 2; | |
| 2766 topRightRect.x = rightEdge - topRightSize.x; | |
| 2767 topRightRect.width = topRightSize.x; | |
| 2768 topRightRect.y = onBottom ? size.y - borderBottom - tabHeight: borderTop + 1; | |
| 2769 topRightRect.height = tabHeight - 1; | |
| 2770 } | |
| 2771 default: | |
| 2772 } | |
| 2773 topRight.setBounds(topRightRect); | |
| 2774 } | |
| 2775 if (oldX !is topRightRect.x || oldWidth !is topRightRect.width || | |
| 2776 oldY !is topRightRect.y || oldHeight !is topRightRect.height) { | |
| 2777 int left = Math.min(oldX, topRightRect.x); | |
| 2778 int right = Math.max(oldX + oldWidth, topRightRect.x + topRightRect.width); | |
| 2779 int top = onBottom ? size.y - borderBottom - tabHeight : borderTop + 1; | |
| 2780 redraw(left, top, right - left, tabHeight, false); | |
| 2781 } | |
| 2782 | |
| 2783 // chevron button | |
| 2784 oldX = chevronRect.x; | |
| 2785 oldY = chevronRect.y; | |
| 2786 oldWidth = chevronRect.width; | |
| 2787 oldHeight = chevronRect.height; | |
| 2788 chevronRect.x = chevronRect.y = chevronRect.height = chevronRect.width = 0; | |
| 2789 if (single) { | |
| 2790 if (selectedIndex is -1 || items.length > 1) { | |
| 2791 chevronRect.width = 3*BUTTON_SIZE/2; | |
| 2792 chevronRect.height = BUTTON_SIZE; | |
| 2793 chevronRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - chevronRect.height)/2 : borderTop + (tabHeight - chevronRect.height)/2; | |
| 2794 if (selectedIndex is -1) { | |
| 2795 chevronRect.x = size.x - borderRight - 3 - minRect.width - maxRect.width - topRightRect.width - chevronRect.width; | |
| 2796 } else { | |
| 2797 CTabItem item = items[selectedIndex]; | |
| 2798 int w = size.x - borderRight - 3 - minRect.width - maxRect.width - chevronRect.width; | |
| 2799 if (topRightRect.width > 0) w -= topRightRect.width + 3; | |
| 2800 chevronRect.x = Math.min(item.x + item.width + 3, w); | |
| 2801 } | |
| 2802 if (borderRight > 0) chevronRect.x += 1; | |
| 2803 } | |
| 2804 } else { | |
| 2805 if (showChevron) { | |
| 2806 chevronRect.width = 3*BUTTON_SIZE/2; | |
| 2807 chevronRect.height = BUTTON_SIZE; | |
| 2808 int i = 0, lastIndex = -1; | |
| 2809 while (i < priority.length && items[priority[i]].showing) { | |
| 2810 lastIndex = Math.max(lastIndex, priority[i++]); | |
| 2811 } | |
| 2812 if (lastIndex is -1) lastIndex = firstIndex; | |
| 2813 CTabItem lastItem = items[lastIndex]; | |
| 2814 int w = lastItem.x + lastItem.width + 3; | |
| 2815 if (!simple && lastIndex is selectedIndex) w += curveWidth - 2*curveIndent; | |
| 2816 chevronRect.x = Math.min(w, getRightItemEdge()); | |
| 2817 chevronRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - chevronRect.height)/2 : borderTop + (tabHeight - chevronRect.height)/2; | |
| 2818 } | |
| 2819 } | |
| 2820 if (oldX !is chevronRect.x || oldWidth !is chevronRect.width || | |
| 2821 oldY !is chevronRect.y || oldHeight !is chevronRect.height) { | |
| 2822 int left = Math.min(oldX, chevronRect.x); | |
| 2823 int right = Math.max(oldX + oldWidth, chevronRect.x + chevronRect.width); | |
| 2824 int top = onBottom ? size.y - borderBottom - tabHeight: borderTop + 1; | |
| 2825 redraw(left, top, right - left, tabHeight, false); | |
| 2826 } | |
| 2827 } | |
| 2828 public override void setFont(Font font) { | |
| 2829 checkWidget(); | |
| 2830 if (font !is null && font==getFont()) return; | |
| 2831 super.setFont(font); | |
| 2832 oldFont = getFont(); | |
| 2833 if (!updateTabHeight(false)) { | |
| 2834 updateItems(); | |
| 2835 redraw(); | |
| 2836 } | |
| 2837 } | |
| 2838 public override void setForeground (Color color) { | |
| 2839 super.setForeground(color); | |
| 2840 redraw(); | |
| 2841 } | |
| 2842 /** | |
| 2843 * Display an insert marker before or after the specified tab item. | |
| 2844 * | |
| 2845 * A value of null will clear the mark. | |
| 2846 * | |
| 2847 * @param item the item with which the mark is associated or null | |
| 2848 * | |
| 2849 * @param after true if the mark should be displayed after the specified item | |
| 2850 * | |
| 2851 * @exception SWTException <ul> | |
| 2852 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2853 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2854 * </ul> | |
| 2855 */ | |
| 2856 public void setInsertMark(CTabItem item, bool after) { | |
| 2857 checkWidget(); | |
| 2858 } | |
| 2859 /** | |
| 2860 * Display an insert marker before or after the specified tab item. | |
| 2861 * | |
| 2862 * A value of -1 will clear the mark. | |
| 2863 * | |
| 2864 * @param index the index of the item with which the mark is associated or null | |
| 2865 * | |
| 2866 * @param after true if the mark should be displayed after the specified item | |
| 2867 * | |
| 2868 * @exception IllegalArgumentException<ul> | |
| 2869 * </ul> | |
| 2870 * | |
| 2871 * @exception SWTException <ul> | |
| 2872 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 2873 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 2874 * </ul> | |
| 2875 */ | |
| 2876 public void setInsertMark(int index, bool after) { | |
| 2877 checkWidget(); | |
| 2878 if (index < -1 || index >= getItemCount()) { | |
| 2879 SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 2880 } | |
| 2881 } | |
| 2882 bool setItemLocation() { | |
| 2883 bool changed = false; | |
| 2884 if (items.length is 0) return false; | |
| 2885 Point size = getSize(); | |
| 2886 int y = onBottom ? Math.max(borderBottom, size.y - borderBottom - tabHeight) : borderTop; | |
| 2887 if (single) { | |
| 2888 int defaultX = getDisplay().getBounds().width + 10; // off screen | |
| 2889 for (int i = 0; i < items.length; i++) { | |
| 2890 CTabItem item = items[i]; | |
| 2891 if (i is selectedIndex) { | |
| 2892 firstIndex = selectedIndex; | |
| 2893 int oldX = item.x, oldY = item.y; | |
| 2894 item.x = borderLeft; | |
| 2895 item.y = y; | |
| 2896 item.showing = true; | |
| 2897 if (showClose || item.showClose) { | |
| 2898 item.closeRect.x = borderLeft + CTabItem.LEFT_MARGIN; | |
| 2899 item.closeRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - BUTTON_SIZE)/2: borderTop + (tabHeight - BUTTON_SIZE)/2; | |
| 2900 } | |
| 2901 if (item.x !is oldX || item.y !is oldY) changed = true; | |
| 2902 } else { | |
| 2903 item.x = defaultX; | |
| 2904 item.showing = false; | |
| 2905 } | |
| 2906 } | |
| 2907 } else { | |
| 2908 int rightItemEdge = getRightItemEdge(); | |
| 2909 int maxWidth = rightItemEdge - borderLeft; | |
| 2910 int width = 0; | |
| 2911 for (int i = 0; i < priority.length; i++) { | |
| 2912 CTabItem item = items[priority[i]]; | |
| 2913 width += item.width; | |
| 2914 item.showing = i is 0 ? true : item.width > 0 && width <= maxWidth; | |
| 2915 if (!simple && priority[i] is selectedIndex) width += curveWidth - 2*curveIndent; | |
| 2916 } | |
| 2917 int x = 0; | |
| 2918 int defaultX = getDisplay().getBounds().width + 10; // off screen | |
| 2919 firstIndex = items.length - 1; | |
| 2920 for (int i = 0; i < items.length; i++) { | |
| 2921 CTabItem item = items[i]; | |
| 2922 if (!item.showing) { | |
| 2923 if (item.x !is defaultX) changed = true; | |
| 2924 item.x = defaultX; | |
| 2925 } else { | |
| 2926 firstIndex = Math.min(firstIndex, i); | |
| 2927 if (item.x !is x || item.y !is y) changed = true; | |
| 2928 item.x = x; | |
| 2929 item.y = y; | |
| 2930 if (i is selectedIndex) { | |
| 2931 int edge = Math.min(item.x + item.width, rightItemEdge); | |
| 2932 item.closeRect.x = edge - CTabItem.RIGHT_MARGIN - BUTTON_SIZE; | |
| 2933 } else { | |
| 2934 item.closeRect.x = item.x + item.width - CTabItem.RIGHT_MARGIN - BUTTON_SIZE; | |
| 2935 } | |
| 2936 item.closeRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - BUTTON_SIZE)/2: borderTop + (tabHeight - BUTTON_SIZE)/2; | |
| 2937 x = x + item.width; | |
| 2938 if (!simple && i is selectedIndex) x += curveWidth - 2*curveIndent; | |
| 2939 } | |
| 2940 } | |
| 2941 } | |
| 2942 return changed; | |
| 2943 } | |
| 2944 bool setItemSize() { | |
| 2945 bool changed = false; | |
| 2946 if (isDisposed()) return changed; | |
| 2947 Point size = getSize(); | |
| 2948 if (size.x <= 0 || size.y <= 0) return changed; | |
| 2949 xClient = borderLeft + marginWidth + highlight_margin; | |
| 2950 if (onBottom) { | |
| 2951 yClient = borderTop + highlight_margin + marginHeight; | |
| 2952 } else { | |
| 2953 yClient = borderTop + tabHeight + highlight_header + marginHeight; | |
| 2954 } | |
| 2955 showChevron = false; | |
| 2956 if (single) { | |
| 2957 showChevron = true; | |
| 2958 if (selectedIndex !is -1) { | |
| 2959 CTabItem tab = items[selectedIndex]; | |
| 2960 GC gc = new GC(this); | |
| 2961 int width = tab.preferredWidth(gc, true, false); | |
| 2962 gc.dispose(); | |
| 2963 width = Math.min(width, getRightItemEdge() - borderLeft); | |
| 2964 if (tab.height !is tabHeight || tab.width !is width) { | |
| 2965 changed = true; | |
| 2966 tab.shortenedText = null; | |
| 2967 tab.shortenedTextWidth = 0; | |
| 2968 tab.height = tabHeight; | |
| 2969 tab.width = width; | |
| 2970 tab.closeRect.width = tab.closeRect.height = 0; | |
| 2971 if (showClose || tab.showClose) { | |
| 2972 tab.closeRect.width = BUTTON_SIZE; | |
| 2973 tab.closeRect.height = BUTTON_SIZE; | |
| 2974 } | |
| 2975 } | |
| 2976 } | |
| 2977 return changed; | |
| 2978 } | |
| 2979 | |
| 2980 if (items.length is 0) return changed; | |
| 2981 | |
| 2982 int[] widths; | |
| 2983 GC gc = new GC(this); | |
| 2984 int tabAreaWidth = size.x - borderLeft - borderRight - 3; | |
| 2985 if (showMin) tabAreaWidth -= BUTTON_SIZE; | |
| 2986 if (showMax) tabAreaWidth -= BUTTON_SIZE; | |
| 2987 if (topRightAlignment is SWT.RIGHT && topRight !is null) { | |
| 2988 Point rightSize = topRight.computeSize(SWT.DEFAULT, SWT.DEFAULT, false); | |
| 2989 tabAreaWidth -= rightSize.x + 3; | |
| 2990 } | |
| 2991 if (!simple) tabAreaWidth -= curveWidth - 2*curveIndent; | |
| 2992 tabAreaWidth = Math.max(0, tabAreaWidth); | |
| 2993 | |
| 2994 // First, try the minimum tab size at full compression. | |
| 2995 int minWidth = 0; | |
| 2996 int[] minWidths = new int[items.length]; | |
| 2997 for (int i = 0; i < priority.length; i++) { | |
| 2998 int index = priority[i]; | |
| 2999 minWidths[index] = items[index].preferredWidth(gc, index is selectedIndex, true); | |
| 3000 minWidth += minWidths[index]; | |
| 3001 if (minWidth > tabAreaWidth) break; | |
| 3002 } | |
| 3003 if (minWidth > tabAreaWidth) { | |
| 3004 // full compression required and a chevron | |
| 3005 showChevron = items.length > 1; | |
| 3006 if (showChevron) tabAreaWidth -= 3*BUTTON_SIZE/2; | |
| 3007 widths = minWidths; | |
| 3008 int index = selectedIndex !is -1 ? selectedIndex : 0; | |
| 3009 if (tabAreaWidth < widths[index]) { | |
| 3010 widths[index] = Math.max(0, tabAreaWidth); | |
| 3011 } | |
| 3012 } else { | |
| 3013 int maxWidth = 0; | |
| 3014 int[] maxWidths = new int[items.length]; | |
| 3015 for (int i = 0; i < items.length; i++) { | |
| 3016 maxWidths[i] = items[i].preferredWidth(gc, i is selectedIndex, false); | |
| 3017 maxWidth += maxWidths[i]; | |
| 3018 } | |
| 3019 if (maxWidth <= tabAreaWidth) { | |
| 3020 // no compression required | |
| 3021 widths = maxWidths; | |
| 3022 } else { | |
| 3023 // determine compression for each item | |
| 3024 int extra = (tabAreaWidth - minWidth) / items.length; | |
| 3025 while (true) { | |
| 3026 int large = 0, totalWidth = 0; | |
| 3027 for (int i = 0 ; i < items.length; i++) { | |
| 3028 if (maxWidths[i] > minWidths[i] + extra) { | |
| 3029 totalWidth += minWidths[i] + extra; | |
| 3030 large++; | |
| 3031 } else { | |
| 3032 totalWidth += maxWidths[i]; | |
| 3033 } | |
| 3034 } | |
| 3035 if (totalWidth >= tabAreaWidth) { | |
| 3036 extra--; | |
| 3037 break; | |
| 3038 } | |
| 3039 if (large is 0 || tabAreaWidth - totalWidth < large) break; | |
| 3040 extra++; | |
| 3041 } | |
| 3042 widths = new int[items.length]; | |
| 3043 for (int i = 0; i < items.length; i++) { | |
| 3044 widths[i] = Math.min(maxWidths[i], minWidths[i] + extra); | |
| 3045 } | |
| 3046 } | |
| 3047 } | |
| 3048 gc.dispose(); | |
| 3049 | |
| 3050 for (int i = 0; i < items.length; i++) { | |
| 3051 CTabItem tab = items[i]; | |
| 3052 int width = widths[i]; | |
| 3053 if (tab.height !is tabHeight || tab.width !is width) { | |
| 3054 changed = true; | |
| 3055 tab.shortenedText = null; | |
| 3056 tab.shortenedTextWidth = 0; | |
| 3057 tab.height = tabHeight; | |
| 3058 tab.width = width; | |
| 3059 tab.closeRect.width = tab.closeRect.height = 0; | |
| 3060 if (showClose || tab.showClose) { | |
| 3061 if (i is selectedIndex || showUnselectedClose) { | |
| 3062 tab.closeRect.width = BUTTON_SIZE; | |
| 3063 tab.closeRect.height = BUTTON_SIZE; | |
| 3064 } | |
| 3065 } | |
| 3066 } | |
| 3067 } | |
| 3068 return changed; | |
| 3069 } | |
| 3070 /** | |
| 3071 * Marks the receiver's maximize button as visible if the argument is <code>true</code>, | |
| 3072 * and marks it invisible otherwise. | |
| 3073 * | |
| 3074 * @param visible the new visibility state | |
| 3075 * | |
| 3076 * @exception SWTException <ul> | |
| 3077 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3078 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3079 * </ul> | |
| 3080 * | |
| 3081 * @since 3.0 | |
| 3082 */ | |
| 3083 public void setMaximizeVisible(bool visible) { | |
| 3084 checkWidget(); | |
| 3085 if (showMax is visible) return; | |
| 3086 // display maximize button | |
| 3087 showMax = visible; | |
| 3088 updateItems(); | |
| 3089 redraw(); | |
| 3090 } | |
| 3091 /** | |
| 3092 * Sets the layout which is associated with the receiver to be | |
| 3093 * the argument which may be null. | |
| 3094 * <p> | |
| 3095 * Note: No Layout can be set on this Control because it already | |
| 3096 * manages the size and position of its children. | |
| 3097 * </p> | |
| 3098 * | |
| 3099 * @param layout the receiver's new layout or null | |
| 3100 * | |
| 3101 * @exception SWTException <ul> | |
| 3102 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3103 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3104 * </ul> | |
| 3105 */ | |
| 3106 public override void setLayout (Layout layout) { | |
| 3107 checkWidget(); | |
| 3108 return; | |
| 3109 } | |
| 3110 /** | |
| 3111 * Sets the maximized state of the receiver. | |
| 3112 * | |
| 3113 * @param maximize the new maximized state | |
| 3114 * | |
| 3115 * @exception SWTException <ul> | |
| 3116 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3117 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3118 * </ul> | |
| 3119 * | |
| 3120 * @since 3.0 | |
| 3121 */ | |
| 3122 public void setMaximized(bool maximize) { | |
| 3123 checkWidget (); | |
| 3124 if (this.maximized is maximize) return; | |
| 3125 if (maximize && this.minimized) setMinimized(false); | |
| 3126 this.maximized = maximize; | |
| 3127 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
| 3128 } | |
| 3129 /** | |
| 3130 * Marks the receiver's minimize button as visible if the argument is <code>true</code>, | |
| 3131 * and marks it invisible otherwise. | |
| 3132 * | |
| 3133 * @param visible the new visibility state | |
| 3134 * | |
| 3135 * @exception SWTException <ul> | |
| 3136 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3137 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3138 * </ul> | |
| 3139 * | |
| 3140 * @since 3.0 | |
| 3141 */ | |
| 3142 public void setMinimizeVisible(bool visible) { | |
| 3143 checkWidget(); | |
| 3144 if (showMin is visible) return; | |
| 3145 // display minimize button | |
| 3146 showMin = visible; | |
| 3147 updateItems(); | |
| 3148 redraw(); | |
| 3149 } | |
| 3150 /** | |
| 3151 * Sets the minimized state of the receiver. | |
| 3152 * | |
| 3153 * @param minimize the new minimized state | |
| 3154 * | |
| 3155 * @exception SWTException <ul> | |
| 3156 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3157 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3158 * </ul> | |
| 3159 * | |
| 3160 * @since 3.0 | |
| 3161 */ | |
| 3162 public void setMinimized(bool minimize) { | |
| 3163 checkWidget (); | |
| 3164 if (this.minimized is minimize) return; | |
| 3165 if (minimize && this.maximized) setMaximized(false); | |
| 3166 this.minimized = minimize; | |
| 3167 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
| 3168 } | |
| 3169 | |
| 3170 /** | |
| 3171 * Sets the minimum number of characters that will | |
| 3172 * be displayed in a fully compressed tab. | |
| 3173 * | |
| 3174 * @param count the minimum number of characters that will be displayed in a fully compressed tab | |
| 3175 * | |
| 3176 * @exception SWTException <ul> | |
| 3177 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3178 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3179 * <li>ERROR_INVALID_RANGE - if the count is less than zero</li> | |
| 3180 * </ul> | |
| 3181 * | |
| 3182 * @since 3.0 | |
| 3183 */ | |
| 3184 public void setMinimumCharacters(int count) { | |
| 3185 checkWidget (); | |
| 3186 if (count < 0) SWT.error(SWT.ERROR_INVALID_RANGE); | |
| 3187 if (minChars is count) return; | |
| 3188 minChars = count; | |
| 3189 if (updateItems()) redrawTabs(); | |
| 3190 } | |
| 3191 | |
| 3192 /** | |
| 3193 * When there is not enough horizontal space to show all the tabs, | |
| 3194 * by default, tabs are shown sequentially from left to right in | |
| 3195 * order of their index. When the MRU visibility is turned on, | |
| 3196 * the tabs that are visible will be the tabs most recently selected. | |
| 3197 * Tabs will still maintain their left to right order based on index | |
| 3198 * but only the most recently selected tabs are visible. | |
| 3199 * <p> | |
| 3200 * For example, consider a CTabFolder that contains "Tab 1", "Tab 2", | |
| 3201 * "Tab 3" and "Tab 4" (in order by index). The user selects | |
| 3202 * "Tab 1" and then "Tab 3". If the CTabFolder is now | |
| 3203 * compressed so that only two tabs are visible, by default, | |
| 3204 * "Tab 2" and "Tab 3" will be shown ("Tab 3" since it is currently | |
| 3205 * selected and "Tab 2" because it is the previous item in index order). | |
| 3206 * If MRU visibility is enabled, the two visible tabs will be "Tab 1" | |
| 3207 * and "Tab 3" (in that order from left to right).</p> | |
| 3208 * | |
| 3209 * @param show the new visibility state | |
| 3210 * | |
| 3211 * @exception SWTException <ul> | |
| 3212 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3213 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3214 * </ul> | |
| 3215 * | |
| 3216 * @since 3.1 | |
| 3217 */ | |
| 3218 public void setMRUVisible(bool show) { | |
| 3219 checkWidget(); | |
| 3220 if (mru is show) return; | |
| 3221 mru = show; | |
| 3222 if (!mru) { | |
| 3223 int idx = firstIndex; | |
| 3224 int next = 0; | |
| 3225 for (int i = firstIndex; i < items.length; i++) { | |
| 3226 priority[next++] = i; | |
| 3227 } | |
| 3228 for (int i = 0; i < idx; i++) { | |
| 3229 priority[next++] = i; | |
| 3230 } | |
| 3231 if (updateItems()) redrawTabs(); | |
| 3232 } | |
| 3233 } | |
| 3234 /** | |
| 3235 * Set the selection to the tab at the specified item. | |
| 3236 * | |
| 3237 * @param item the tab item to be selected | |
| 3238 * | |
| 3239 * @exception IllegalArgumentException <ul> | |
| 3240 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> | |
| 3241 * </ul> | |
| 3242 * | |
| 3243 * @exception SWTException <ul> | |
| 3244 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 3245 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 3246 * </ul> | |
| 3247 */ | |
| 3248 public void setSelection(CTabItem item) { | |
| 3249 checkWidget(); | |
| 3250 if (item is null) SWT.error(SWT.ERROR_NULL_ARGUMENT); | |
| 3251 int index = indexOf(item); | |
| 3252 setSelection(index); | |
| 3253 } | |
| 3254 /** | |
| 3255 * Set the selection to the tab at the specified index. | |
| 3256 * | |
| 3257 * @param index the index of the tab item to be selected | |
| 3258 * | |
| 3259 * @exception SWTException <ul> | |
| 3260 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3261 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3262 * </ul> | |
| 3263 */ | |
| 3264 public void setSelection(int index) { | |
| 3265 checkWidget(); | |
| 3266 if (index < 0 || index >= items.length) return; | |
| 3267 CTabItem selection = items[index]; | |
| 3268 if (selectedIndex is index) { | |
| 3269 showItem(selection); | |
| 3270 return; | |
| 3271 } | |
| 3272 | |
| 3273 int oldIndex = selectedIndex; | |
| 3274 selectedIndex = index; | |
| 3275 if (oldIndex !is -1) { | |
| 3276 items[oldIndex].closeImageState = NONE; | |
| 3277 } | |
| 3278 selection.closeImageState = NORMAL; | |
| 3279 selection.showing = false; | |
| 3280 | |
| 3281 Control newControl = selection.control; | |
| 3282 Control oldControl = null; | |
| 3283 if (oldIndex !is -1) { | |
| 3284 oldControl = items[oldIndex].control; | |
| 3285 } | |
| 3286 | |
| 3287 if (newControl !is oldControl) { | |
| 3288 if (newControl !is null && !newControl.isDisposed()) { | |
| 3289 newControl.setBounds(getClientArea()); | |
| 3290 newControl.setVisible(true); | |
| 3291 } | |
| 3292 if (oldControl !is null && !oldControl.isDisposed()) { | |
| 3293 oldControl.setVisible(false); | |
| 3294 } | |
| 3295 } | |
| 3296 showItem(selection); | |
| 3297 redraw(); | |
| 3298 } | |
| 3299 void setSelection(int index, bool notify) { | |
| 3300 int oldSelectedIndex = selectedIndex; | |
| 3301 setSelection(index); | |
| 3302 if (notify && selectedIndex !is oldSelectedIndex && selectedIndex !is -1) { | |
| 3303 Event event = new Event(); | |
| 3304 event.item = getItem(selectedIndex); | |
| 3305 notifyListeners(SWT.Selection, event); | |
| 3306 } | |
| 3307 } | |
| 3308 /** | |
| 3309 * Sets the receiver's selection background color to the color specified | |
| 3310 * by the argument, or to the default system color for the control | |
| 3311 * if the argument is null. | |
| 3312 * | |
| 3313 * @param color the new color (or null) | |
| 3314 * | |
| 3315 * @exception IllegalArgumentException <ul> | |
| 3316 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
| 3317 * </ul> | |
| 3318 * @exception SWTException <ul> | |
| 3319 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3320 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3321 * </ul> | |
| 3322 * | |
| 3323 * @since 3.0 | |
| 3324 */ | |
| 3325 public void setSelectionBackground (Color color) { | |
| 3326 checkWidget(); | |
| 3327 setSelectionHighlightGradientColor(null); | |
| 3328 if (selectionBackground is color) return; | |
| 3329 if (color is null) color = getDisplay().getSystemColor(SELECTION_BACKGROUND); | |
| 3330 selectionBackground = color; | |
| 3331 if (selectedIndex > -1) redraw(); | |
| 3332 } | |
| 3333 /** | |
| 3334 * Specify a gradient of colours to be draw in the background of the selected tab. | |
| 3335 * For example to draw a gradient that varies from dark blue to blue and then to | |
| 3336 * white, use the following call to setBackground: | |
| 3337 * <pre> | |
| 3338 * cfolder.setBackground(new Color[]{display.getSystemColor(SWT.COLOR_DARK_BLUE), | |
| 3339 * display.getSystemColor(SWT.COLOR_BLUE), | |
| 3340 * display.getSystemColor(SWT.COLOR_WHITE), | |
| 3341 * display.getSystemColor(SWT.COLOR_WHITE)}, | |
| 3342 * new int[] {25, 50, 100}); | |
| 3343 * </pre> | |
| 3344 * | |
| 3345 * @param colors an array of Color that specifies the colors to appear in the gradient | |
| 3346 * in order of appearance left to right. The value <code>null</code> clears the | |
| 3347 * background gradient. The value <code>null</code> can be used inside the array of | |
| 3348 * Color to specify the background color. | |
| 3349 * @param percents an array of integers between 0 and 100 specifying the percent of the width | |
| 3350 * of the widget at which the color should change. The size of the percents array must be one | |
| 3351 * less than the size of the colors array. | |
| 3352 * | |
| 3353 * @exception SWTException <ul> | |
| 3354 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 3355 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 3356 * </ul> | |
| 3357 */ | |
| 3358 public void setSelectionBackground(Color[] colors, int[] percents) { | |
| 3359 setSelectionBackground(colors, percents, false); | |
| 3360 } | |
| 3361 /** | |
| 3362 * Specify a gradient of colours to be draw in the background of the selected tab. | |
| 3363 * For example to draw a vertical gradient that varies from dark blue to blue and then to | |
| 3364 * white, use the following call to setBackground: | |
| 3365 * <pre> | |
| 3366 * cfolder.setBackground(new Color[]{display.getSystemColor(SWT.COLOR_DARK_BLUE), | |
| 3367 * display.getSystemColor(SWT.COLOR_BLUE), | |
| 3368 * display.getSystemColor(SWT.COLOR_WHITE), | |
| 3369 * display.getSystemColor(SWT.COLOR_WHITE)}, | |
| 3370 * new int[] {25, 50, 100}, true); | |
| 3371 * </pre> | |
| 3372 * | |
| 3373 * @param colors an array of Color that specifies the colors to appear in the gradient | |
| 3374 * in order of appearance left to right. The value <code>null</code> clears the | |
| 3375 * background gradient. The value <code>null</code> can be used inside the array of | |
| 3376 * Color to specify the background color. | |
| 3377 * @param percents an array of integers between 0 and 100 specifying the percent of the width | |
| 3378 * of the widget at which the color should change. The size of the percents array must be one | |
| 3379 * less than the size of the colors array. | |
| 3380 * | |
| 3381 * @param vertical indicate the direction of the gradient. True is vertical and false is horizontal. | |
| 3382 * | |
| 3383 * @exception SWTException <ul> | |
| 3384 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
| 3385 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
| 3386 * </ul> | |
| 3387 * | |
| 3388 * @since 3.0 | |
| 3389 */ | |
| 3390 public void setSelectionBackground(Color[] colors, int[] percents, bool vertical) { | |
| 3391 checkWidget(); | |
| 3392 int colorsLength; | |
| 3393 Color highlightBeginColor = null; //null is no highlight | |
| 3394 | |
| 3395 if (colors !is null) { | |
| 3396 //The colors array can optionally have an extra entry which describes the highlight top color | |
| 3397 //Thus its either one or two larger than the percents array | |
| 3398 if (percents is null || | |
| 3399 ! ((percents.length is colors.length - 1) || (percents.length is colors.length - 2))){ | |
| 3400 SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3401 } | |
| 3402 for (int i = 0; i < percents.length; i++) { | |
| 3403 if (percents[i] < 0 || percents[i] > 100) { | |
| 3404 SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3405 } | |
| 3406 if (i > 0 && percents[i] < percents[i-1]) { | |
| 3407 SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3408 } | |
| 3409 } | |
| 3410 //If the colors is exactly two more than percents then last is highlight | |
| 3411 //Keep track of *real* colorsLength (minus the highlight) | |
| 3412 if(percents.length is colors.length - 2) { | |
| 3413 highlightBeginColor = colors[colors.length - 1]; | |
| 3414 colorsLength = colors.length - 1; | |
| 3415 } else { | |
| 3416 colorsLength = colors.length; | |
| 3417 } | |
| 3418 if (getDisplay().getDepth() < 15) { | |
| 3419 // Don't use gradients on low color displays | |
| 3420 colors = [colors[colorsLength - 1]]; | |
| 3421 colorsLength = colors.length; | |
| 3422 percents = null; | |
| 3423 } | |
| 3424 } else { | |
| 3425 colorsLength = 0; | |
| 3426 } | |
| 3427 | |
| 3428 // Are these settings the same as before? | |
| 3429 if (selectionBgImage is null) { | |
| 3430 if ((selectionGradientColors !is null) && (colors !is null) && | |
| 3431 (selectionGradientColors.length is colorsLength)) { | |
| 3432 bool same = false; | |
| 3433 for (int i = 0; i < selectionGradientColors.length; i++) { | |
| 3434 if (selectionGradientColors[i] is null) { | |
| 3435 same = colors[i] is null; | |
| 3436 } else { | |
| 3437 same = cast(bool)(selectionGradientColors[i]==colors[i]); | |
| 3438 } | |
| 3439 if (!same) break; | |
| 3440 } | |
| 3441 if (same) { | |
| 3442 for (int i = 0; i < selectionGradientPercents.length; i++) { | |
| 3443 same = selectionGradientPercents[i] is percents[i]; | |
| 3444 if (!same) break; | |
| 3445 } | |
| 3446 } | |
| 3447 if (same && this.selectionGradientVertical is vertical) return; | |
| 3448 } | |
| 3449 } else { | |
| 3450 selectionBgImage = null; | |
| 3451 } | |
| 3452 // Store the new settings | |
| 3453 if (colors is null) { | |
| 3454 selectionGradientColors = null; | |
| 3455 selectionGradientPercents = null; | |
| 3456 selectionGradientVertical = false; | |
| 3457 setSelectionBackground(cast(Color)null); | |
| 3458 setSelectionHighlightGradientColor(null); | |
| 3459 } else { | |
| 3460 selectionGradientColors = new Color[colorsLength]; | |
| 3461 for (int i = 0; i < colorsLength; ++i) { | |
| 3462 selectionGradientColors[i] = colors[i]; | |
| 3463 } | |
| 3464 selectionGradientPercents = new int[percents.length]; | |
| 3465 for (int i = 0; i < percents.length; ++i) { | |
| 3466 selectionGradientPercents[i] = percents[i]; | |
| 3467 } | |
| 3468 selectionGradientVertical = vertical; | |
| 3469 setSelectionBackground(selectionGradientColors[selectionGradientColors.length-1]); | |
| 3470 setSelectionHighlightGradientColor(highlightBeginColor); | |
| 3471 } | |
| 3472 | |
| 3473 // Refresh with the new settings | |
| 3474 if (selectedIndex > -1) redraw(); | |
| 3475 } | |
| 3476 | |
| 3477 /* | |
| 3478 * Set the color for the highlight start for selected tabs. | |
| 3479 * Update the cache of highlight gradient colors if required. | |
| 3480 */ | |
| 3481 | |
| 3482 void setSelectionHighlightGradientColor(Color start) { | |
| 3483 //Set to null to match all the early return cases. | |
| 3484 //For early returns, don't realloc the cache, we may get a cache hit next time we're given the highlight | |
| 3485 selectionHighlightGradientBegin = null; | |
| 3486 | |
| 3487 if(start is null) | |
| 3488 return; | |
| 3489 | |
| 3490 //don't bother on low colour | |
| 3491 if (getDisplay().getDepth() < 15) | |
| 3492 return; | |
| 3493 | |
| 3494 //don't bother if we don't have a background gradient | |
| 3495 if(selectionGradientColors.length < 2) | |
| 3496 return; | |
| 3497 | |
| 3498 //OK we know its a valid gradient now | |
| 3499 selectionHighlightGradientBegin = start; | |
| 3500 | |
| 3501 if(! isSelectionHighlightColorsCacheHit(start)) | |
| 3502 createSelectionHighlightGradientColors(start); //if no cache hit then compute new ones | |
| 3503 } | |
| 3504 | |
| 3505 /* | |
| 3506 * Return true if given start color, the cache of highlight colors we have | |
| 3507 * would match the highlight colors we'd compute. | |
| 3508 */ | |
| 3509 bool isSelectionHighlightColorsCacheHit(Color start) { | |
| 3510 | |
| 3511 if(selectionHighlightGradientColorsCache is null) | |
| 3512 return false; | |
| 3513 | |
| 3514 //this case should never happen but check to be safe before accessing array indexes | |
| 3515 if(selectionHighlightGradientColorsCache.length < 2) | |
| 3516 return false; | |
| 3517 | |
| 3518 Color highlightBegin = selectionHighlightGradientColorsCache[0]; | |
| 3519 Color highlightEnd = selectionHighlightGradientColorsCache[selectionHighlightGradientColorsCache.length - 1]; | |
| 3520 | |
| 3521 if( highlightBegin!=start) | |
| 3522 return false; | |
| 3523 | |
| 3524 //Compare number of colours we have vs. we'd compute | |
| 3525 if(selectionHighlightGradientColorsCache.length !is tabHeight) | |
| 3526 return false; | |
| 3527 | |
| 3528 //Compare existing highlight end to what it would be (selectionBackground) | |
| 3529 if( highlightEnd!=selectionBackground) | |
| 3530 return false; | |
| 3531 | |
| 3532 return true; | |
| 3533 } | |
| 3534 | |
| 3535 /** | |
| 3536 * Set the image to be drawn in the background of the selected tab. Image | |
| 3537 * is stretched or compressed to cover entire selection tab area. | |
| 3538 * | |
| 3539 * @param image the image to be drawn in the background | |
| 3540 * | |
| 3541 * @exception SWTException <ul> | |
| 3542 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3543 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3544 * </ul> | |
| 3545 */ | |
| 3546 public void setSelectionBackground(Image image) { | |
| 3547 checkWidget(); | |
| 3548 setSelectionHighlightGradientColor(null); | |
| 3549 if (image is selectionBgImage) return; | |
| 3550 if (image !is null) { | |
| 3551 selectionGradientColors = null; | |
| 3552 selectionGradientPercents = null; | |
| 3553 disposeSelectionHighlightGradientColors(); | |
| 3554 } | |
| 3555 selectionBgImage = image; | |
| 3556 if (selectedIndex > -1) redraw(); | |
| 3557 } | |
| 3558 /** | |
| 3559 * Set the foreground color of the selected tab. | |
| 3560 * | |
| 3561 * @param color the color of the text displayed in the selected tab | |
| 3562 * | |
| 3563 * @exception SWTException <ul> | |
| 3564 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3565 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3566 * </ul> | |
| 3567 */ | |
| 3568 public void setSelectionForeground (Color color) { | |
| 3569 checkWidget(); | |
| 3570 if (selectionForeground is color) return; | |
| 3571 if (color is null) color = getDisplay().getSystemColor(SELECTION_FOREGROUND); | |
| 3572 selectionForeground = color; | |
| 3573 if (selectedIndex > -1) redraw(); | |
| 3574 } | |
| 3575 | |
| 3576 /* | |
| 3577 * Allocate colors for the highlight line. | |
| 3578 * Colours will be a gradual blend ranging from to. | |
| 3579 * Blend length will be tab height. | |
| 3580 * Recompute this if tab height changes. | |
| 3581 * Could remain null if there'd be no gradient (start=end or low colour display) | |
| 3582 */ | |
| 3583 void createSelectionHighlightGradientColors(Color start) { | |
| 3584 disposeSelectionHighlightGradientColors(); //dispose if existing | |
| 3585 | |
| 3586 if(start is null) //shouldn't happen but just to be safe | |
| 3587 return; | |
| 3588 | |
| 3589 //alloc colours for entire height to ensure it matches wherever we stop drawing | |
| 3590 int fadeGradientSize = tabHeight; | |
| 3591 | |
| 3592 RGB from = start.getRGB(); | |
| 3593 RGB to = selectionBackground.getRGB(); | |
| 3594 | |
| 3595 selectionHighlightGradientColorsCache = new Color[fadeGradientSize]; | |
| 3596 int denom = fadeGradientSize - 1; | |
| 3597 | |
| 3598 for (int i = 0; i < fadeGradientSize; i++) { | |
| 3599 int propFrom = denom - i; | |
| 3600 int propTo = i; | |
| 3601 int red = (to.red * propTo + from.red * propFrom) / denom; | |
| 3602 int green = (to.green * propTo + from.green * propFrom) / denom; | |
| 3603 int blue = (to.blue * propTo + from.blue * propFrom) / denom; | |
| 3604 selectionHighlightGradientColorsCache[i] = new Color(getDisplay(), red, green, blue); | |
| 3605 } | |
| 3606 } | |
| 3607 | |
| 3608 void disposeSelectionHighlightGradientColors() { | |
| 3609 if(selectionHighlightGradientColorsCache is null) | |
| 3610 return; | |
| 3611 for (int i = 0; i < selectionHighlightGradientColorsCache.length; i++) { | |
| 3612 selectionHighlightGradientColorsCache[i].dispose(); | |
| 3613 } | |
| 3614 selectionHighlightGradientColorsCache = null; | |
| 3615 } | |
| 3616 | |
| 3617 /* | |
| 3618 * Return the gradient start color for selected tabs, which is the start of the tab fade | |
| 3619 * (end is selectionBackground). | |
| 3620 */ | |
| 3621 Color getSelectionBackgroundGradientBegin() { | |
| 3622 if (selectionGradientColors is null) | |
| 3623 return getSelectionBackground(); | |
| 3624 if (selectionGradientColors.length is 0) | |
| 3625 return getSelectionBackground(); | |
| 3626 return selectionGradientColors[0]; | |
| 3627 } | |
| 3628 | |
| 3629 /** | |
| 3630 * Sets the shape that the CTabFolder will use to render itself. | |
| 3631 * | |
| 3632 * @param simple <code>true</code> if the CTabFolder should render itself in a simple, traditional style | |
| 3633 * | |
| 3634 * @exception SWTException <ul> | |
| 3635 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3636 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3637 * </ul> | |
| 3638 * | |
| 3639 * @since 3.0 | |
| 3640 */ | |
| 3641 public void setSimple(bool simple) { | |
| 3642 checkWidget(); | |
| 3643 if (this.simple !is simple) { | |
| 3644 this.simple = simple; | |
| 3645 Rectangle rectBefore = getClientArea(); | |
| 3646 updateItems(); | |
| 3647 Rectangle rectAfter = getClientArea(); | |
| 3648 if (rectBefore!=rectAfter) { | |
| 3649 notifyListeners(SWT.Resize, new Event()); | |
| 3650 } | |
| 3651 redraw(); | |
| 3652 } | |
| 3653 } | |
| 3654 /** | |
| 3655 * Sets the number of tabs that the CTabFolder should display | |
| 3656 * | |
| 3657 * @param single <code>true</code> if only the selected tab should be displayed otherwise, multiple tabs will be shown. | |
| 3658 * | |
| 3659 * @exception SWTException <ul> | |
| 3660 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3661 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3662 * </ul> | |
| 3663 * | |
| 3664 * @since 3.0 | |
| 3665 */ | |
| 3666 public void setSingle(bool single) { | |
| 3667 checkWidget(); | |
| 3668 if (this.single !is single) { | |
| 3669 this.single = single; | |
| 3670 if (!single) { | |
| 3671 for (int i = 0; i < items.length; i++) { | |
| 3672 if (i !is selectedIndex && items[i].closeImageState is NORMAL) { | |
| 3673 items[i].closeImageState = NONE; | |
| 3674 } | |
| 3675 } | |
| 3676 } | |
| 3677 Rectangle rectBefore = getClientArea(); | |
| 3678 updateItems(); | |
| 3679 Rectangle rectAfter = getClientArea(); | |
| 3680 if (rectBefore!=rectAfter) { | |
| 3681 notifyListeners(SWT.Resize, new Event()); | |
| 3682 } | |
| 3683 redraw(); | |
| 3684 } | |
| 3685 } | |
| 3686 /** | |
| 3687 * Specify a fixed height for the tab items. If no height is specified, | |
| 3688 * the default height is the height of the text or the image, whichever | |
| 3689 * is greater. Specifying a height of -1 will revert to the default height. | |
| 3690 * | |
| 3691 * @param height the pixel value of the height or -1 | |
| 3692 * | |
| 3693 * @exception SWTException <ul> | |
| 3694 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3695 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3696 * <li>ERROR_INVALID_ARGUMENT - if called with a height of less than 0</li> | |
| 3697 * </ul> | |
| 3698 */ | |
| 3699 public void setTabHeight(int height) { | |
| 3700 checkWidget(); | |
| 3701 if (height < -1) { | |
| 3702 SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3703 } | |
| 3704 fixedTabHeight = height; | |
| 3705 updateTabHeight(false); | |
| 3706 } | |
| 3707 /** | |
| 3708 * Specify whether the tabs should appear along the top of the folder | |
| 3709 * or along the bottom of the folder. | |
| 3710 * | |
| 3711 * @param position <code>SWT.TOP</code> for tabs along the top or <code>SWT.BOTTOM</code> for tabs along the bottom | |
| 3712 * | |
| 3713 * @exception SWTException <ul> | |
| 3714 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3715 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3716 * <li>ERROR_INVALID_ARGUMENT - if the position value is not either SWT.TOP or SWT.BOTTOM</li> | |
| 3717 * </ul> | |
| 3718 * | |
| 3719 * @since 3.0 | |
| 3720 */ | |
| 3721 public void setTabPosition(int position) { | |
| 3722 checkWidget(); | |
| 3723 if (position !is SWT.TOP && position !is SWT.BOTTOM) { | |
| 3724 SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3725 } | |
| 3726 if (onBottom !is (position is SWT.BOTTOM)) { | |
| 3727 onBottom = position is SWT.BOTTOM; | |
| 3728 borderTop = onBottom ? borderLeft : 0; | |
| 3729 borderBottom = onBottom ? 0 : borderRight; | |
| 3730 updateTabHeight(true); | |
| 3731 Rectangle rectBefore = getClientArea(); | |
| 3732 updateItems(); | |
| 3733 Rectangle rectAfter = getClientArea(); | |
| 3734 if (rectBefore!=rectAfter) { | |
| 3735 notifyListeners(SWT.Resize, new Event()); | |
| 3736 } | |
| 3737 redraw(); | |
| 3738 } | |
| 3739 } | |
| 3740 /** | |
| 3741 * Set the control that appears in the top right corner of the tab folder. | |
| 3742 * Typically this is a close button or a composite with a Menu and close button. | |
| 3743 * The topRight control is optional. Setting the top right control to null will | |
| 3744 * remove it from the tab folder. | |
| 3745 * | |
| 3746 * @param control the control to be displayed in the top right corner or null | |
| 3747 * | |
| 3748 * @exception SWTException <ul> | |
| 3749 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3750 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3751 * <li>ERROR_INVALID_ARGUMENT - if the control is not a child of this CTabFolder</li> | |
| 3752 * </ul> | |
| 3753 * | |
| 3754 * @since 2.1 | |
| 3755 */ | |
| 3756 public void setTopRight(Control control) { | |
| 3757 setTopRight(control, SWT.RIGHT); | |
| 3758 } | |
| 3759 /** | |
| 3760 * Set the control that appears in the top right corner of the tab folder. | |
| 3761 * Typically this is a close button or a composite with a Menu and close button. | |
| 3762 * The topRight control is optional. Setting the top right control to null | |
| 3763 * will remove it from the tab folder. | |
| 3764 * <p> | |
| 3765 * The alignment parameter sets the layout of the control in the tab area. | |
| 3766 * <code>SWT.RIGHT</code> will cause the control to be positioned on the far | |
| 3767 * right of the folder and it will have its default size. <code>SWT.FILL</code> | |
| 3768 * will size the control to fill all the available space to the right of the | |
| 3769 * last tab. If there is no available space, the control will not be visible. | |
| 3770 * </p> | |
| 3771 * | |
| 3772 * @param control the control to be displayed in the top right corner or null | |
| 3773 * @param alignment <code>SWT.RIGHT</code> or <code>SWT.FILL</code> | |
| 3774 * | |
| 3775 * @exception SWTException <ul> | |
| 3776 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3777 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3778 * <li>ERROR_INVALID_ARGUMENT - if the control is not a child of this CTabFolder</li> | |
| 3779 * </ul> | |
| 3780 * | |
| 3781 * @since 3.0 | |
| 3782 */ | |
| 3783 public void setTopRight(Control control, int alignment) { | |
| 3784 checkWidget(); | |
| 3785 if (alignment !is SWT.RIGHT && alignment !is SWT.FILL) { | |
| 3786 SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3787 } | |
| 3788 if (control !is null && control.getParent() !is this) { | |
| 3789 SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3790 } | |
| 3791 topRight = control; | |
| 3792 topRightAlignment = alignment; | |
| 3793 if (updateItems()) redraw(); | |
| 3794 } | |
| 3795 /** | |
| 3796 * Specify whether the close button appears | |
| 3797 * when the user hovers over an unselected tabs. | |
| 3798 * | |
| 3799 * @param visible <code>true</code> makes the close button appear | |
| 3800 * | |
| 3801 * @exception SWTException <ul> | |
| 3802 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3803 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3804 * </ul> | |
| 3805 * | |
| 3806 * @since 3.0 | |
| 3807 */ | |
| 3808 public void setUnselectedCloseVisible(bool visible) { | |
| 3809 checkWidget(); | |
| 3810 if (showUnselectedClose is visible) return; | |
| 3811 // display close button when mouse hovers | |
| 3812 showUnselectedClose = visible; | |
| 3813 updateItems(); | |
| 3814 redraw(); | |
| 3815 } | |
| 3816 /** | |
| 3817 * Specify whether the image appears on unselected tabs. | |
| 3818 * | |
| 3819 * @param visible <code>true</code> makes the image appear | |
| 3820 * | |
| 3821 * @exception SWTException <ul> | |
| 3822 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3823 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3824 * </ul> | |
| 3825 * | |
| 3826 * @since 3.0 | |
| 3827 */ | |
| 3828 public void setUnselectedImageVisible(bool visible) { | |
| 3829 checkWidget(); | |
| 3830 if (showUnselectedImage is visible) return; | |
| 3831 // display image on unselected items | |
| 3832 showUnselectedImage = visible; | |
| 3833 updateItems(); | |
| 3834 redraw(); | |
| 3835 } | |
| 3836 /** | |
| 3837 * Shows the item. If the item is already showing in the receiver, | |
| 3838 * this method simply returns. Otherwise, the items are scrolled until | |
| 3839 * the item is visible. | |
| 3840 * | |
| 3841 * @param item the item to be shown | |
| 3842 * | |
| 3843 * @exception IllegalArgumentException <ul> | |
| 3844 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> | |
| 3845 * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> | |
| 3846 * </ul> | |
| 3847 * @exception SWTException <ul> | |
| 3848 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3849 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3850 * </ul> | |
| 3851 * | |
| 3852 * @see CTabFolder#showSelection() | |
| 3853 * | |
| 3854 * @since 2.0 | |
| 3855 */ | |
| 3856 public void showItem (CTabItem item) { | |
| 3857 checkWidget(); | |
| 3858 if (item is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); | |
| 3859 if (item.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3860 int index = indexOf(item); | |
| 3861 if (index is -1) SWT.error(SWT.ERROR_INVALID_ARGUMENT); | |
| 3862 int idx = -1; | |
| 3863 for (int i = 0; i < priority.length; i++) { | |
| 3864 if (priority[i] is index) { | |
| 3865 idx = i; | |
| 3866 break; | |
| 3867 } | |
| 3868 } | |
| 3869 if (mru) { | |
| 3870 // move to front of mru order | |
| 3871 int[] newPriority = new int[priority.length]; | |
| 3872 System.arraycopy(priority, 0, newPriority, 1, idx); | |
| 3873 System.arraycopy(priority, idx+1, newPriority, idx+1, priority.length - idx - 1); | |
| 3874 newPriority[0] = index; | |
| 3875 priority = newPriority; | |
| 3876 } | |
| 3877 if (item.isShowing()) return; | |
| 3878 updateItems(index); | |
| 3879 redrawTabs(); | |
| 3880 } | |
| 3881 void showList (Rectangle rect) { | |
| 3882 if (items.length is 0 || !showChevron) return; | |
| 3883 if (showMenu is null || showMenu.isDisposed()) { | |
| 3884 showMenu = new Menu(this); | |
| 3885 } else { | |
| 3886 MenuItem[] items = showMenu.getItems(); | |
| 3887 for (int i = 0; i < items.length; i++) { | |
| 3888 items[i].dispose(); | |
| 3889 } | |
| 3890 } | |
| 3891 static const String id = "CTabFolder_showList_Index"; //$NON-NLS-1$ | |
| 3892 for (int i = 0; i < items.length; i++) { | |
| 3893 CTabItem tab = items[i]; | |
| 3894 if (tab.showing) continue; | |
| 3895 MenuItem item = new MenuItem(showMenu, SWT.NONE); | |
| 3896 item.setText(tab.getText()); | |
| 3897 item.setImage(tab.getImage()); | |
| 3898 item.setData(id, tab); | |
| 3899 item.addSelectionListener(new class() SelectionAdapter { | |
| 3900 public void widgetSelected(SelectionEvent e) { | |
| 3901 MenuItem menuItem = cast(MenuItem)e.widget; | |
| 3902 int index = indexOf(cast(CTabItem)menuItem.getData(id)); | |
| 3903 this.outer.setSelection(index, true); | |
| 3904 } | |
| 3905 }); | |
| 3906 } | |
| 3907 int x = rect.x; | |
| 3908 int y = rect.y + rect.height; | |
| 3909 Point location = getDisplay().map(this, null, x, y); | |
| 3910 showMenu.setLocation(location.x, location.y); | |
| 3911 showMenu.setVisible(true); | |
| 3912 } | |
| 3913 /** | |
| 3914 * Shows the selection. If the selection is already showing in the receiver, | |
| 3915 * this method simply returns. Otherwise, the items are scrolled until | |
| 3916 * the selection is visible. | |
| 3917 * | |
| 3918 * @exception SWTException <ul> | |
| 3919 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
| 3920 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
| 3921 * </ul> | |
| 3922 * | |
| 3923 * @see CTabFolder#showItem(CTabItem) | |
| 3924 * | |
| 3925 * @since 2.0 | |
| 3926 */ | |
| 3927 public void showSelection () { | |
| 3928 checkWidget (); | |
| 3929 if (selectedIndex !is -1) { | |
| 3930 showItem(getSelection()); | |
| 3931 } | |
| 3932 } | |
| 3933 | |
| 3934 void _setToolTipText (int x, int y) { | |
| 3935 String oldTip = getToolTipText(); | |
| 3936 String newTip = _getToolTip(x, y); | |
| 3937 if (newTip is null || newTip!=oldTip) { | |
| 3938 setToolTipText(newTip); | |
| 3939 } | |
| 3940 } | |
| 3941 | |
| 3942 bool updateItems() { | |
| 3943 return updateItems(selectedIndex); | |
| 3944 } | |
| 3945 | |
| 3946 bool updateItems(int showIndex) { | |
| 3947 if (!single && !mru && showIndex !is -1) { | |
| 3948 // make sure selected item will be showing | |
| 3949 int firstIndex = showIndex; | |
| 3950 if (priority[0] < showIndex) { | |
| 3951 int maxWidth = getRightItemEdge() - borderLeft; | |
| 3952 if (!simple) maxWidth -= curveWidth - 2*curveIndent; | |
| 3953 int width = 0; | |
| 3954 int[] widths = new int[items.length]; | |
| 3955 GC gc = new GC(this); | |
| 3956 for (int i = priority[0]; i <= showIndex; i++) { | |
| 3957 widths[i] = items[i].preferredWidth(gc, i is selectedIndex, true); | |
| 3958 width += widths[i]; | |
| 3959 if (width > maxWidth) break; | |
| 3960 } | |
| 3961 if (width > maxWidth) { | |
| 3962 width = 0; | |
| 3963 for (int i = showIndex; i >= 0; i--) { | |
| 3964 if (widths[i] is 0) widths[i] = items[i].preferredWidth(gc, i is selectedIndex, true); | |
| 3965 width += widths[i]; | |
| 3966 if (width > maxWidth) break; | |
| 3967 firstIndex = i; | |
| 3968 } | |
| 3969 } else { | |
| 3970 firstIndex = priority[0]; | |
| 3971 for (int i = showIndex + 1; i < items.length; i++) { | |
| 3972 widths[i] = items[i].preferredWidth(gc, i is selectedIndex, true); | |
| 3973 width += widths[i]; | |
| 3974 if (width >= maxWidth) break; | |
| 3975 } | |
| 3976 if (width < maxWidth) { | |
| 3977 for (int i = priority[0] - 1; i >= 0; i--) { | |
| 3978 if (widths[i] is 0) widths[i] = items[i].preferredWidth(gc, i is selectedIndex, true); | |
| 3979 width += widths[i]; | |
| 3980 if (width > maxWidth) break; | |
| 3981 firstIndex = i; | |
| 3982 } | |
| 3983 } | |
| 3984 } | |
| 3985 gc.dispose(); | |
| 3986 } | |
| 3987 if (firstIndex !is priority[0]) { | |
| 3988 int index = 0; | |
| 3989 for (int i = firstIndex; i < items.length; i++) { | |
| 3990 priority[index++] = i; | |
| 3991 } | |
| 3992 for (int i = 0; i < firstIndex; i++) { | |
| 3993 priority[index++] = i; | |
| 3994 } | |
| 3995 } | |
| 3996 } | |
| 3997 | |
| 3998 bool oldShowChevron = showChevron; | |
| 3999 bool changed = setItemSize(); | |
| 4000 changed |= setItemLocation(); | |
| 4001 setButtonBounds(); | |
| 4002 changed |= showChevron !is oldShowChevron; | |
| 4003 if (changed && getToolTipText() !is null) { | |
| 4004 Point pt = getDisplay().getCursorLocation(); | |
| 4005 pt = toControl(pt); | |
| 4006 _setToolTipText(pt.x, pt.y); | |
| 4007 } | |
| 4008 return changed; | |
| 4009 } | |
| 4010 bool updateTabHeight(bool force){ | |
| 4011 int style = getStyle(); | |
| 4012 if (fixedTabHeight is 0 && (style & SWT.FLAT) !is 0 && (style & SWT.BORDER) is 0) highlight_header = 0; | |
| 4013 int oldHeight = tabHeight; | |
| 4014 if (fixedTabHeight !is SWT.DEFAULT) { | |
| 4015 tabHeight = fixedTabHeight is 0 ? 0 : fixedTabHeight + 1; // +1 for line drawn across top of tab | |
| 4016 } else { | |
| 4017 int tempHeight = 0; | |
| 4018 GC gc = new GC(this); | |
| 4019 if (items.length is 0) { | |
| 4020 tempHeight = gc.textExtent("Default", CTabItem.FLAGS).y + CTabItem.TOP_MARGIN + CTabItem.BOTTOM_MARGIN; //$NON-NLS-1$ | |
| 4021 } else { | |
| 4022 for (int i=0; i < items.length; i++) { | |
| 4023 tempHeight = Math.max(tempHeight, items[i].preferredHeight(gc)); | |
| 4024 } | |
| 4025 } | |
| 4026 gc.dispose(); | |
| 4027 tabHeight = tempHeight; | |
| 4028 } | |
| 4029 if (!force && tabHeight is oldHeight) return false; | |
| 4030 | |
| 4031 oldSize = null; | |
| 4032 if (onBottom) { | |
| 4033 int d = tabHeight - 12; | |
| 4034 curve = [0,13+d, 0,12+d, 2,12+d, 3,11+d, 5,11+d, 6,10+d, 7,10+d, 9,8+d, 10,8+d, | |
| 4035 11,7+d, 11+d,7, | |
| 4036 12+d,6, 13+d,6, 15+d,4, 16+d,4, 17+d,3, 19+d,3, 20+d,2, 22+d,2, 23+d,1]; | |
| 4037 curveWidth = 26+d; | |
| 4038 curveIndent = curveWidth/3; | |
| 4039 } else { | |
| 4040 int d = tabHeight - 12; | |
| 4041 curve = [0,0, 0,1, 2,1, 3,2, 5,2, 6,3, 7,3, 9,5, 10,5, | |
| 4042 11,6, 11+d,6+d, | |
| 4043 12+d,7+d, 13+d,7+d, 15+d,9+d, 16+d,9+d, 17+d,10+d, 19+d,10+d, 20+d,11+d, 22+d,11+d, 23+d,12+d]; | |
| 4044 curveWidth = 26+d; | |
| 4045 curveIndent = curveWidth/3; | |
| 4046 | |
| 4047 //this could be static but since values depend on curve, better to keep in one place | |
| 4048 topCurveHighlightStart = [ | |
| 4049 0, 2, 1, 2, 2, 2, | |
| 4050 3, 3, 4, 3, 5, 3, | |
| 4051 6, 4, 7, 4, | |
| 4052 8, 5, | |
| 4053 9, 6, 10, 6]; | |
| 4054 | |
| 4055 //also, by adding in 'd' here we save some math cost when drawing the curve | |
| 4056 topCurveHighlightEnd = [ | |
| 4057 10+d, 6+d, | |
| 4058 11+d, 7+d, | |
| 4059 12+d, 8+d, 13+d, 8+d, | |
| 4060 14+d, 9+d, | |
| 4061 15+d, 10+d, 16+d, 10+d, | |
| 4062 17+d, 11+d, 18+d, 11+d, 19+d, 11+d, | |
| 4063 20+d, 12+d, 21+d, 12+d, 22+d, 12+d ]; | |
| 4064 } | |
| 4065 notifyListeners(SWT.Resize, new Event()); | |
| 4066 return true; | |
| 4067 } | |
| 4068 String _getToolTip(int x, int y) { | |
| 4069 if (showMin && minRect.contains(x, y)) return minimized ? SWT.getMessage("SWT_Restore") : SWT.getMessage("SWT_Minimize"); //$NON-NLS-1$ //$NON-NLS-2$ | |
| 4070 if (showMax && maxRect.contains(x, y)) return maximized ? SWT.getMessage("SWT_Restore") : SWT.getMessage("SWT_Maximize"); //$NON-NLS-1$ //$NON-NLS-2$ | |
| 4071 if (showChevron && chevronRect.contains(x, y)) return SWT.getMessage("SWT_ShowList"); //$NON-NLS-1$ | |
| 4072 CTabItem item = getItem(new Point (x, y)); | |
| 4073 if (item is null) return null; | |
| 4074 if (!item.showing) return null; | |
| 4075 if ((showClose || item.showClose) && item.closeRect.contains(x, y)) { | |
| 4076 return SWT.getMessage("SWT_Close"); //$NON-NLS-1$ | |
| 4077 } | |
| 4078 return item.getToolTipText(); | |
| 4079 } | |
| 4080 } |