Mercurial > projects > dwt-win
annotate dwt/custom/CTabFolder.d @ 315:349b8c12e243
Sync dwt/custom with dwt-linux
author | Frank Benoit <benoit@tionex.de> |
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date | Tue, 07 Oct 2008 16:18:26 +0200 |
parents | fd9c62a2998e |
children |
rev | line source |
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155 | 1 /******************************************************************************* |
246 | 2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
155 | 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 dwt.custom.CTabFolder; | |
14 | |
15 import dwt.DWT; | |
16 import dwt.DWTException; | |
17 import dwt.accessibility.ACC; | |
18 import dwt.accessibility.Accessible; | |
19 import dwt.accessibility.AccessibleAdapter; | |
20 import dwt.accessibility.AccessibleControlAdapter; | |
21 import dwt.accessibility.AccessibleControlEvent; | |
22 import dwt.accessibility.AccessibleEvent; | |
23 import dwt.events.SelectionAdapter; | |
24 import dwt.events.SelectionEvent; | |
25 import dwt.events.SelectionListener; | |
26 import dwt.graphics.Color; | |
27 import dwt.graphics.Font; | |
28 import dwt.graphics.FontData; | |
29 import dwt.graphics.GC; | |
30 import dwt.graphics.Image; | |
31 import dwt.graphics.Point; | |
32 import dwt.graphics.RGB; | |
33 import dwt.graphics.Rectangle; | |
34 import dwt.graphics.Region; | |
35 import dwt.widgets.Composite; | |
36 import dwt.widgets.Control; | |
37 import dwt.widgets.Display; | |
38 import dwt.widgets.Event; | |
39 import dwt.widgets.Layout; | |
40 import dwt.widgets.Listener; | |
41 import dwt.widgets.Menu; | |
42 import dwt.widgets.MenuItem; | |
43 import dwt.widgets.TypedListener; | |
44 import dwt.custom.CTabItem; | |
45 import dwt.custom.CTabFolder2Listener; | |
46 import dwt.custom.CTabFolderListener; | |
47 import dwt.custom.CTabFolderLayout; | |
48 import dwt.custom.CTabFolderEvent; | |
49 | |
50 import dwt.dwthelper.utils; | |
51 import tango.util.Convert; | |
52 static import tango.text.convert.Utf; | |
53 | |
54 /** | |
55 * | |
56 * Instances of this class implement the notebook user interface | |
57 * metaphor. It allows the user to select a notebook page from | |
58 * set of pages. | |
59 * <p> | |
60 * The item children that may be added to instances of this class | |
61 * must be of type <code>CTabItem</code>. | |
62 * <code>Control</code> children are created and then set into a | |
63 * tab item using <code>CTabItem#setControl</code>. | |
64 * </p><p> | |
65 * Note that although this class is a subclass of <code>Composite</code>, | |
66 * it does not make sense to set a layout on it. | |
67 * </p><p> | |
68 * <dl> | |
69 * <dt><b>Styles:</b></dt> | |
70 * <dd>CLOSE, TOP, BOTTOM, FLAT, BORDER, SINGLE, MULTI</dd> | |
71 * <dt><b>Events:</b></dt> | |
72 * <dd>Selection</dd> | |
73 * <dd>"CTabFolder2"</dd> | |
74 * </dl> | |
75 * <p> | |
76 * Note: Only one of the styles TOP and BOTTOM | |
77 * may be specified. | |
78 * </p><p> | |
79 * IMPORTANT: This class is <em>not</em> intended to be subclassed. | |
80 * </p> | |
246 | 81 * |
82 * @see <a href="http://www.eclipse.org/swt/snippets/#ctabfolder">CTabFolder, CTabItem snippets</a> | |
83 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: CustomControlExample</a> | |
84 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> | |
155 | 85 */ |
86 | |
87 public class CTabFolder : Composite { | |
88 | |
89 /** | |
90 * marginWidth specifies the number of pixels of horizontal margin | |
91 * that will be placed along the left and right edges of the form. | |
92 * | |
93 * The default value is 0. | |
94 */ | |
95 public int marginWidth = 0; | |
96 /** | |
97 * marginHeight specifies the number of pixels of vertical margin | |
98 * that will be placed along the top and bottom edges of the form. | |
99 * | |
100 * The default value is 0. | |
101 */ | |
102 public int marginHeight = 0; | |
103 | |
104 /** | |
105 * A multiple of the tab height that specifies the minimum width to which a tab | |
106 * will be compressed before scrolling arrows are used to navigate the tabs. | |
107 * | |
108 * NOTE This field is badly named and can not be fixed for backwards compatibility. | |
109 * It should not be capitalized. | |
110 * | |
111 * @deprecated This field is no longer used. See setMinimumCharacters(int) | |
112 */ | |
113 public int MIN_TAB_WIDTH = 4; | |
114 | |
115 /** | |
116 * Color of innermost line of drop shadow border. | |
117 * | |
118 * NOTE This field is badly named and can not be fixed for backwards compatibility. | |
119 * It should be capitalized. | |
120 * | |
121 * @deprecated drop shadow border is no longer drawn in 3.0 | |
122 */ | |
123 public static RGB borderInsideRGB; | |
124 /** | |
125 * Color of middle line of drop shadow border. | |
126 * | |
127 * NOTE This field is badly named and can not be fixed for backwards compatibility. | |
128 * It should be capitalized. | |
129 * | |
130 * @deprecated drop shadow border is no longer drawn in 3.0 | |
131 */ | |
132 public static RGB borderMiddleRGB; | |
133 /** | |
134 * Color of outermost line of drop shadow border. | |
135 * | |
136 * NOTE This field is badly named and can not be fixed for backwards compatibility. | |
137 * It should be capitalized. | |
138 * | |
139 * @deprecated drop shadow border is no longer drawn in 3.0 | |
140 */ | |
141 public static RGB borderOutsideRGB; | |
142 | |
143 /* sizing, positioning */ | |
144 int xClient, yClient; | |
145 bool onBottom = false; | |
146 bool single = false; | |
147 bool simple = true; | |
148 int fixedTabHeight = DWT.DEFAULT; | |
149 int tabHeight; | |
150 int minChars = 20; | |
151 | |
152 /* item management */ | |
153 CTabItem items[]; | |
154 int firstIndex = -1; // index of the left most visible tab. | |
155 int selectedIndex = -1; | |
156 int[] priority; | |
157 bool mru = false; | |
158 Listener listener; | |
159 | |
160 /* External Listener management */ | |
161 CTabFolder2Listener[] folderListeners; | |
162 // support for deprecated listener mechanism | |
163 CTabFolderListener[] tabListeners; | |
164 | |
165 /* Selected item appearance */ | |
166 Image selectionBgImage; | |
167 Color[] selectionGradientColors; | |
168 int[] selectionGradientPercents; | |
169 bool selectionGradientVertical; | |
170 Color selectionForeground; | |
171 Color selectionBackground; //selection fade end | |
172 Color selectionFadeStart; | |
173 | |
174 Color selectionHighlightGradientBegin = null; //null is no highlight | |
175 //Although we are given new colours all the time to show different states (active, etc), | |
176 //some of which may have a highlight and some not, we'd like to retain the highlight colours | |
177 //as a cache so that we can reuse them if we're again told to show the highlight. | |
178 //We are relying on the fact that only one tab state usually gets a highlight, so only | |
179 //a single cache is required. If that happens to not be true, cache simply becomes less effective, | |
180 //but we don't leak colours. | |
181 Color[] selectionHighlightGradientColorsCache = null; //null is a legal value, check on access | |
182 | |
183 /* Unselected item appearance */ | |
184 Image bgImage; | |
185 Color[] gradientColors; | |
186 int[] gradientPercents; | |
187 bool gradientVertical; | |
188 bool showUnselectedImage = true; | |
189 | |
190 static Color borderColor; | |
191 | |
192 // close, min/max and chevron buttons | |
193 bool showClose = false; | |
194 bool showUnselectedClose = true; | |
195 | |
196 Rectangle chevronRect; | |
197 int chevronImageState = NORMAL; | |
198 bool showChevron = false; | |
199 Menu showMenu; | |
200 | |
201 bool showMin = false; | |
202 Rectangle minRect; | |
203 bool minimized = false; | |
204 int minImageState = NORMAL; | |
205 | |
206 bool showMax = false; | |
207 Rectangle maxRect; | |
208 bool maximized = false; | |
209 int maxImageState = NORMAL; | |
210 | |
211 Control topRight; | |
212 Rectangle topRightRect; | |
213 int topRightAlignment = DWT.RIGHT; | |
214 | |
215 // borders and shapes | |
216 int borderLeft = 0; | |
217 int borderRight = 0; | |
218 int borderTop = 0; | |
219 int borderBottom = 0; | |
220 | |
221 int highlight_margin = 0; | |
222 int highlight_header = 0; | |
223 | |
224 int[] curve; | |
225 int[] topCurveHighlightStart; | |
226 int[] topCurveHighlightEnd; | |
227 int curveWidth = 0; | |
228 int curveIndent = 0; | |
229 | |
230 // when disposing CTabFolder, don't try to layout the items or | |
231 // change the selection as each child is destroyed. | |
232 bool inDispose = false; | |
233 | |
234 // keep track of size changes in order to redraw only affected area | |
235 // on Resize | |
236 Point oldSize; | |
237 Font oldFont; | |
238 | |
239 // internal constants | |
240 static const int DEFAULT_WIDTH = 64; | |
241 static const int DEFAULT_HEIGHT = 64; | |
242 static const int BUTTON_SIZE = 18; | |
243 | |
244 static const int[] TOP_LEFT_CORNER = [0,6, 1,5, 1,4, 4,1, 5,1, 6,0]; | |
245 | |
246 //TOP_LEFT_CORNER_HILITE is laid out in reverse (ie. top to bottom) | |
247 //so can fade in same direction as right swoop curve | |
248 static const int[] TOP_LEFT_CORNER_HILITE = [5,2, 4,2, 3,3, 2,4, 2,5, 1,6]; | |
249 | |
250 static const int[] TOP_RIGHT_CORNER = [-6,0, -5,1, -4,1, -1,4, -1,5, 0,6]; | |
251 static const int[] BOTTOM_LEFT_CORNER = [0,-6, 1,-5, 1,-4, 4,-1, 5,-1, 6,0]; | |
252 static const int[] BOTTOM_RIGHT_CORNER = [-6,0, -5,-1, -4,-1, -1,-4, -1,-5, 0,-6]; | |
253 | |
254 static const int[] SIMPLE_TOP_LEFT_CORNER = [0,2, 1,1, 2,0]; | |
255 static const int[] SIMPLE_TOP_RIGHT_CORNER = [-2,0, -1,1, 0,2]; | |
256 static const int[] SIMPLE_BOTTOM_LEFT_CORNER = [0,-2, 1,-1, 2,0]; | |
257 static const int[] SIMPLE_BOTTOM_RIGHT_CORNER = [-2,0, -1,-1, 0,-2]; | |
258 static const int[] SIMPLE_UNSELECTED_INNER_CORNER = [0,0]; | |
259 | |
260 static const int[] TOP_LEFT_CORNER_BORDERLESS = [0,6, 1,5, 1,4, 4,1, 5,1, 6,0]; | |
261 static const int[] TOP_RIGHT_CORNER_BORDERLESS = [-7,0, -6,1, -5,1, -2,4, -2,5, -1,6]; | |
262 static const int[] BOTTOM_LEFT_CORNER_BORDERLESS = [0,-6, 1,-6, 1,-5, 2,-4, 4,-2, 5,-1, 6,-1, 6,0]; | |
263 static const int[] BOTTOM_RIGHT_CORNER_BORDERLESS = [-7,0, -7,-1, -6,-1, -5,-2, -3,-4, -2,-5, -2,-6, -1,-6]; | |
264 | |
265 static const int[] SIMPLE_TOP_LEFT_CORNER_BORDERLESS = [0,2, 1,1, 2,0]; | |
266 static const int[] SIMPLE_TOP_RIGHT_CORNER_BORDERLESS= [-3,0, -2,1, -1,2]; | |
267 static const int[] SIMPLE_BOTTOM_LEFT_CORNER_BORDERLESS = [0,-3, 1,-2, 2,-1, 3,0]; | |
268 static const int[] SIMPLE_BOTTOM_RIGHT_CORNER_BORDERLESS = [-4,0, -3,-1, -2,-2, -1,-3]; | |
269 | |
270 static const int SELECTION_FOREGROUND = DWT.COLOR_LIST_FOREGROUND; | |
271 static const int SELECTION_BACKGROUND = DWT.COLOR_LIST_BACKGROUND; | |
272 static const int BORDER1_COLOR = DWT.COLOR_WIDGET_NORMAL_SHADOW; | |
273 static const int FOREGROUND = DWT.COLOR_WIDGET_FOREGROUND; | |
274 static const int BACKGROUND = DWT.COLOR_WIDGET_BACKGROUND; | |
275 static const int BUTTON_BORDER = DWT.COLOR_WIDGET_DARK_SHADOW; | |
276 static const int BUTTON_FILL = DWT.COLOR_LIST_BACKGROUND; | |
277 | |
278 static const int NONE = 0; | |
279 static const int NORMAL = 1; | |
280 static const int HOT = 2; | |
281 static const int SELECTED = 3; | |
282 static const RGB CLOSE_FILL; | |
283 | |
284 static const int CHEVRON_CHILD_ID = 0; | |
285 static const int MINIMIZE_CHILD_ID = 1; | |
286 static const int MAXIMIZE_CHILD_ID = 2; | |
287 static const int EXTRA_CHILD_ID_COUNT = 3; | |
288 | |
289 static this(){ | |
290 borderInsideRGB = new RGB (132, 130, 132); | |
291 borderMiddleRGB = new RGB (143, 141, 138); | |
292 borderOutsideRGB = new RGB (171, 168, 165); | |
293 CLOSE_FILL = new RGB(252, 160, 160); | |
294 } | |
295 | |
296 /** | |
297 * Constructs a new instance of this class given its parent | |
298 * and a style value describing its behavior and appearance. | |
299 * <p> | |
300 * The style value is either one of the style constants defined in | |
301 * class <code>DWT</code> which is applicable to instances of this | |
302 * class, or must be built by <em>bitwise OR</em>'ing together | |
303 * (that is, using the <code>int</code> "|" operator) two or more | |
304 * of those <code>DWT</code> style constants. The class description | |
305 * lists the style constants that are applicable to the class. | |
306 * Style bits are also inherited from superclasses. | |
307 * </p> | |
308 * | |
309 * @param parent a widget which will be the parent of the new instance (cannot be null) | |
310 * @param style the style of widget to construct | |
311 * | |
312 * @exception IllegalArgumentException <ul> | |
313 * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> | |
314 * </ul> | |
315 * @exception DWTException <ul> | |
316 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> | |
317 * </ul> | |
318 * | |
319 * @see DWT#TOP | |
320 * @see DWT#BOTTOM | |
321 * @see DWT#FLAT | |
322 * @see DWT#BORDER | |
323 * @see DWT#SINGLE | |
324 * @see DWT#MULTI | |
325 * @see #getStyle() | |
326 */ | |
327 public this(Composite parent, int style) { | |
328 chevronRect = new Rectangle(0, 0, 0, 0); | |
329 minRect = new Rectangle(0, 0, 0, 0); | |
330 maxRect = new Rectangle(0, 0, 0, 0); | |
331 topRightRect = new Rectangle(0, 0, 0, 0); | |
332 super(parent, checkStyle (parent, style)); | |
333 super.setLayout(new CTabFolderLayout()); | |
334 int style2 = super.getStyle(); | |
335 oldFont = getFont(); | |
336 onBottom = (style2 & DWT.BOTTOM) !is 0; | |
337 showClose = (style2 & DWT.CLOSE) !is 0; | |
338 // showMin = (style2 & DWT.MIN) !is 0; - conflicts with DWT.TOP | |
339 // showMax = (style2 & DWT.MAX) !is 0; - conflicts with DWT.BOTTOM | |
340 single = (style2 & DWT.SINGLE) !is 0; | |
341 borderLeft = borderRight = (style & DWT.BORDER) !is 0 ? 1 : 0; | |
342 borderTop = onBottom ? borderLeft : 0; | |
343 borderBottom = onBottom ? 0 : borderLeft; | |
344 highlight_header = (style & DWT.FLAT) !is 0 ? 1 : 3; | |
345 highlight_margin = (style & DWT.FLAT) !is 0 ? 0 : 2; | |
346 //set up default colors | |
347 Display display = getDisplay(); | |
348 selectionForeground = display.getSystemColor(SELECTION_FOREGROUND); | |
349 selectionBackground = display.getSystemColor(SELECTION_BACKGROUND); | |
350 borderColor = display.getSystemColor(BORDER1_COLOR); | |
351 updateTabHeight(false); | |
352 | |
353 initAccessible(); | |
354 | |
355 // Add all listeners | |
356 listener = new class() Listener { | |
357 public void handleEvent(Event event) { | |
358 switch (event.type) { | |
359 case DWT.Dispose: onDispose(event); break; | |
360 case DWT.DragDetect: onDragDetect(event); break; | |
361 case DWT.FocusIn: onFocus(event); break; | |
362 case DWT.FocusOut: onFocus(event); break; | |
363 case DWT.KeyDown: onKeyDown(event); break; | |
364 case DWT.MouseDoubleClick: onMouseDoubleClick(event); break; | |
365 case DWT.MouseDown: onMouse(event); break; | |
366 case DWT.MouseEnter: onMouse(event); break; | |
367 case DWT.MouseExit: onMouse(event); break; | |
368 case DWT.MouseMove: onMouse(event); break; | |
369 case DWT.MouseUp: onMouse(event); break; | |
370 case DWT.Paint: onPaint(event); break; | |
371 case DWT.Resize: onResize(); break; | |
372 case DWT.Traverse: onTraverse(event); break; | |
373 default: | |
374 } | |
375 } | |
376 }; | |
377 | |
378 int[] folderEvents = [ | |
379 DWT.Dispose, | |
380 DWT.DragDetect, | |
381 DWT.FocusIn, | |
382 DWT.FocusOut, | |
383 DWT.KeyDown, | |
384 DWT.MouseDoubleClick, | |
385 DWT.MouseDown, | |
386 DWT.MouseEnter, | |
387 DWT.MouseExit, | |
388 DWT.MouseMove, | |
389 DWT.MouseUp, | |
390 DWT.Paint, | |
391 DWT.Resize, | |
392 DWT.Traverse, | |
393 ]; | |
394 for (int i = 0; i < folderEvents.length; i++) { | |
395 addListener(folderEvents[i], listener); | |
396 } | |
397 } | |
398 static int checkStyle (Composite parent, int style) { | |
399 int mask = DWT.CLOSE | DWT.TOP | DWT.BOTTOM | DWT.FLAT | DWT.LEFT_TO_RIGHT | DWT.RIGHT_TO_LEFT | DWT.SINGLE | DWT.MULTI; | |
400 style = style & mask; | |
401 // TOP and BOTTOM are mutually exclusive. | |
402 // TOP is the default | |
403 if ((style & DWT.TOP) !is 0) style = style & ~DWT.BOTTOM; | |
404 // SINGLE and MULTI are mutually exclusive. | |
405 // MULTI is the default | |
406 if ((style & DWT.MULTI) !is 0) style = style & ~DWT.SINGLE; | |
407 // reduce the flash by not redrawing the entire area on a Resize event | |
408 style |= DWT.NO_REDRAW_RESIZE; | |
409 //TEMPORARY CODE | |
410 /* | |
411 * The default background on carbon and some GTK themes is not a solid color | |
412 * but a texture. To show the correct default background, we must allow | |
413 * the operating system to draw it and therefore, we can not use the | |
414 * NO_BACKGROUND style. The NO_BACKGROUND style is not required on platforms | |
415 * that use double buffering which is true in both of these cases. | |
416 */ | |
212
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197
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417 String platform = DWT.getPlatform(); |
155 | 418 if ("carbon"==platform || "gtk"==platform) return style; //$NON-NLS-1$ //$NON-NLS-2$ |
419 | |
420 //TEMPORARY CODE | |
421 /* | |
422 * In Right To Left orientation on Windows, all GC calls that use a brush are drawing | |
423 * offset by one pixel. This results in some parts of the CTabFolder not drawing correctly. | |
424 * To alleviate some of the appearance problems, allow the OS to draw the background. | |
425 * This does not draw correctly but the result is less obviously wrong. | |
426 */ | |
427 if ((style & DWT.RIGHT_TO_LEFT) !is 0) return style; | |
428 if ((parent.getStyle() & DWT.MIRRORED) !is 0 && (style & DWT.LEFT_TO_RIGHT) is 0) return style; | |
429 | |
430 return style | DWT.NO_BACKGROUND; | |
431 } | |
432 static void fillRegion(GC gc, Region region) { | |
433 // NOTE: region passed in to this function will be modified | |
434 Region clipping = new Region(); | |
435 gc.getClipping(clipping); | |
436 region.intersect(clipping); | |
437 gc.setClipping(region); | |
438 gc.fillRectangle(region.getBounds()); | |
439 gc.setClipping(clipping); | |
440 clipping.dispose(); | |
441 } | |
442 /** | |
443 * | |
444 * Adds the listener to the collection of listeners who will | |
445 * be notified when a tab item is closed, minimized, maximized, | |
446 * restored, or to show the list of items that are not | |
447 * currently visible. | |
448 * | |
449 * @param listener the listener which should be notified | |
450 * | |
451 * @exception IllegalArgumentException <ul> | |
452 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
453 * </ul> | |
454 * | |
455 * @exception DWTException <ul> | |
456 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
457 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
458 * </ul> | |
459 * | |
460 * @see CTabFolder2Listener | |
461 * @see #removeCTabFolder2Listener(CTabFolder2Listener) | |
462 * | |
463 * @since 3.0 | |
464 */ | |
465 public void addCTabFolder2Listener(CTabFolder2Listener listener) { | |
466 checkWidget(); | |
467 if (listener is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); | |
468 // add to array | |
469 CTabFolder2Listener[] newListeners = new CTabFolder2Listener[folderListeners.length + 1]; | |
470 SimpleType!(CTabFolder2Listener).arraycopy(folderListeners, 0, newListeners, 0, folderListeners.length); | |
471 folderListeners = newListeners; | |
472 folderListeners[folderListeners.length - 1] = listener; | |
473 } | |
474 /** | |
475 * Adds the listener to the collection of listeners who will | |
476 * be notified when a tab item is closed. | |
477 * | |
478 * @param listener the listener which should be notified | |
479 * | |
480 * @exception IllegalArgumentException <ul> | |
481 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
482 * </ul> | |
483 * @exception DWTException <ul> | |
484 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
485 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
486 * </ul> | |
487 * | |
488 * @see CTabFolderListener | |
489 * @see #removeCTabFolderListener(CTabFolderListener) | |
490 * | |
491 * @deprecated use addCTabFolder2Listener(CTabFolder2Listener) | |
492 */ | |
493 public void addCTabFolderListener(CTabFolderListener listener) { | |
494 checkWidget(); | |
495 if (listener is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); | |
496 // add to array | |
497 CTabFolderListener[] newTabListeners = new CTabFolderListener[tabListeners.length + 1]; | |
498 SimpleType!(CTabFolderListener).arraycopy(tabListeners, 0, newTabListeners, 0, tabListeners.length); | |
499 tabListeners = newTabListeners; | |
500 tabListeners[tabListeners.length - 1] = listener; | |
501 // display close button to be backwards compatible | |
502 if (!showClose) { | |
503 showClose = true; | |
504 updateItems(); | |
505 redraw(); | |
506 } | |
507 } | |
508 /** | |
509 * Adds the listener to the collection of listeners who will | |
510 * be notified when the user changes the receiver's selection, by sending | |
511 * it one of the messages defined in the <code>SelectionListener</code> | |
512 * interface. | |
513 * <p> | |
514 * <code>widgetSelected</code> is called when the user changes the selected tab. | |
515 * <code>widgetDefaultSelected</code> is not called. | |
516 * </p> | |
517 * | |
518 * @param listener the listener which should be notified when the user changes the receiver's selection | |
519 * | |
520 * @exception IllegalArgumentException <ul> | |
521 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
522 * </ul> | |
523 * @exception DWTException <ul> | |
524 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
525 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
526 * </ul> | |
527 * | |
528 * @see SelectionListener | |
529 * @see #removeSelectionListener | |
530 * @see SelectionEvent | |
531 */ | |
532 public void addSelectionListener(SelectionListener listener) { | |
533 checkWidget(); | |
534 if (listener is null) { | |
535 DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
536 } | |
537 TypedListener typedListener = new TypedListener(listener); | |
538 addListener(DWT.Selection, typedListener); | |
539 addListener(DWT.DefaultSelection, typedListener); | |
540 } | |
541 void antialias (int[] shape, RGB lineRGB, RGB innerRGB, RGB outerRGB, GC gc){ | |
542 // Don't perform anti-aliasing on Mac and WPF because the platform | |
543 // already does it. The simple style also does not require anti-aliasing. | |
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544 if (simple || "carbon".equals(DWT.getPlatform()) || "wpf".equals(DWT.getPlatform())) return; //$NON-NLS-1$ |
155 | 545 // Don't perform anti-aliasing on low resolution displays |
546 if (getDisplay().getDepth() < 15) return; | |
547 if (outerRGB !is null) { | |
548 int index = 0; | |
549 bool left = true; | |
550 int oldY = onBottom ? 0 : getSize().y; | |
551 int[] outer = new int[shape.length]; | |
552 for (int i = 0; i < shape.length/2; i++) { | |
553 if (left && (index + 3 < shape.length)) { | |
554 left = onBottom ? oldY <= shape[index+3] : oldY >= shape[index+3]; | |
555 oldY = shape[index+1]; | |
556 } | |
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557 outer[index] = shape[index] + (left ? -1 : +1); |
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558 index++; |
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559 outer[index] = shape[index]; |
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560 index++; |
155 | 561 } |
562 RGB from = lineRGB; | |
563 RGB to = outerRGB; | |
564 int red = from.red + 2*(to.red - from.red)/3; | |
565 int green = from.green + 2*(to.green - from.green)/3; | |
566 int blue = from.blue + 2*(to.blue - from.blue)/3; | |
567 Color color = new Color(getDisplay(), red, green, blue); | |
568 gc.setForeground(color); | |
569 gc.drawPolyline(outer); | |
570 color.dispose(); | |
571 } | |
572 if (innerRGB !is null) { | |
573 int[] inner = new int[shape.length]; | |
574 int index = 0; | |
575 bool left = true; | |
576 int oldY = onBottom ? 0 : getSize().y; | |
577 for (int i = 0; i < shape.length/2; i++) { | |
578 if (left && (index + 3 < shape.length)) { | |
579 left = onBottom ? oldY <= shape[index+3] : oldY >= shape[index+3]; | |
580 oldY = shape[index+1]; | |
581 } | |
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582 inner[index] = shape[index] + (left ? +1 : -1); |
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583 index++; |
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584 inner[index] = shape[index]; |
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585 index++; |
155 | 586 } |
587 RGB from = lineRGB; | |
588 RGB to = innerRGB; | |
589 int red = from.red + 2*(to.red - from.red)/3; | |
590 int green = from.green + 2*(to.green - from.green)/3; | |
591 int blue = from.blue + 2*(to.blue - from.blue)/3; | |
592 Color color = new Color(getDisplay(), red, green, blue); | |
593 gc.setForeground(color); | |
594 gc.drawPolyline(inner); | |
595 color.dispose(); | |
596 } | |
597 } | |
598 public override Rectangle computeTrim (int x, int y, int width, int height) { | |
599 checkWidget(); | |
600 int trimX = x - marginWidth - highlight_margin - borderLeft; | |
601 int trimWidth = width + borderLeft + borderRight + 2*marginWidth + 2*highlight_margin; | |
602 if (minimized) { | |
603 int trimY = onBottom ? y - borderTop : y - highlight_header - tabHeight - borderTop; | |
604 int trimHeight = borderTop + borderBottom + tabHeight + highlight_header; | |
605 return new Rectangle (trimX, trimY, trimWidth, trimHeight); | |
606 } else { | |
607 int trimY = onBottom ? y - marginHeight - highlight_margin - borderTop: y - marginHeight - highlight_header - tabHeight - borderTop; | |
608 int trimHeight = height + borderTop + borderBottom + 2*marginHeight + tabHeight + highlight_header + highlight_margin; | |
609 return new Rectangle (trimX, trimY, trimWidth, trimHeight); | |
610 } | |
611 } | |
612 void createItem (CTabItem item, int index) { | |
613 if (0 > index || index > getItemCount ())DWT.error (DWT.ERROR_INVALID_RANGE); | |
614 item.parent = this; | |
615 CTabItem[] newItems = new CTabItem [items.length + 1]; | |
616 System.arraycopy(items, 0, newItems, 0, index); | |
617 newItems[index] = item; | |
618 System.arraycopy(items, index, newItems, index + 1, items.length - index); | |
619 items = newItems; | |
620 if (selectedIndex >= index) selectedIndex ++; | |
621 int[] newPriority = new int[priority.length + 1]; | |
622 int next = 0, priorityIndex = priority.length; | |
623 for (int i = 0; i < priority.length; i++) { | |
624 if (!mru && priority[i] is index) { | |
625 priorityIndex = next++; | |
626 } | |
627 newPriority[next++] = priority[i] >= index ? priority[i] + 1 : priority[i]; | |
628 } | |
629 newPriority[priorityIndex] = index; | |
630 priority = newPriority; | |
631 | |
632 if (items.length is 1) { | |
633 if (!updateTabHeight(false)) updateItems(); | |
634 redraw(); | |
635 } else { | |
636 updateItems(); | |
637 redrawTabs(); | |
638 } | |
639 } | |
640 void destroyItem (CTabItem item) { | |
641 if (inDispose) return; | |
642 int index = indexOf(item); | |
643 if (index is -1) return; | |
644 | |
645 if (items.length is 1) { | |
646 items = new CTabItem[0]; | |
647 priority = new int[0]; | |
648 firstIndex = -1; | |
649 selectedIndex = -1; | |
650 | |
651 Control control = item.getControl(); | |
652 if (control !is null && !control.isDisposed()) { | |
653 control.setVisible(false); | |
654 } | |
655 setToolTipText(null); | |
656 setButtonBounds(); | |
657 redraw(); | |
658 return; | |
659 } | |
660 | |
661 CTabItem[] newItems = new CTabItem [items.length - 1]; | |
662 System.arraycopy(items, 0, newItems, 0, index); | |
663 System.arraycopy(items, index + 1, newItems, index, items.length - index - 1); | |
664 items = newItems; | |
665 | |
666 int[] newPriority = new int[priority.length - 1]; | |
667 int next = 0; | |
668 for (int i = 0; i < priority.length; i++) { | |
669 if (priority [i] is index) continue; | |
670 newPriority[next++] = priority[i] > index ? priority[i] - 1 : priority [i]; | |
671 } | |
672 priority = newPriority; | |
673 | |
674 // move the selection if this item is selected | |
675 if (selectedIndex is index) { | |
676 Control control = item.getControl(); | |
677 selectedIndex = -1; | |
678 int nextSelection = mru ? priority[0] : Math.max(0, index - 1); | |
679 setSelection(nextSelection, true); | |
680 if (control !is null && !control.isDisposed()) { | |
681 control.setVisible(false); | |
682 } | |
683 } else if (selectedIndex > index) { | |
684 selectedIndex --; | |
685 } | |
686 | |
687 updateItems(); | |
688 redrawTabs(); | |
689 } | |
690 void drawBackground(GC gc, int[] shape, bool selected) { | |
691 Color defaultBackground = selected ? selectionBackground : getBackground(); | |
692 Image image = selected ? selectionBgImage : bgImage; | |
693 Color[] colors = selected ? selectionGradientColors : gradientColors; | |
694 int[] percents = selected ? selectionGradientPercents : gradientPercents; | |
695 bool vertical = selected ? selectionGradientVertical : gradientVertical; | |
696 Point size = getSize(); | |
697 int width = size.x; | |
698 int height = tabHeight + highlight_header; | |
699 int x = 0; | |
700 if (borderLeft > 0) { | |
701 x += 1; width -= 2; | |
702 } | |
703 int y = onBottom ? size.y - borderBottom - height : borderTop; | |
704 drawBackground(gc, shape, x, y, width, height, defaultBackground, image, colors, percents, vertical); | |
705 } | |
706 void drawBackground(GC gc, int[] shape, int x, int y, int width, int height, Color defaultBackground, Image image, Color[] colors, int[] percents, bool vertical) { | |
707 Region clipping = new Region(); | |
708 gc.getClipping(clipping); | |
709 Region region = new Region(); | |
710 region.add(shape); | |
711 region.intersect(clipping); | |
712 gc.setClipping(region); | |
713 | |
714 if (image !is null) { | |
715 // draw the background image in shape | |
716 gc.setBackground(defaultBackground); | |
717 gc.fillRectangle(x, y, width, height); | |
718 Rectangle imageRect = image.getBounds(); | |
719 gc.drawImage(image, imageRect.x, imageRect.y, imageRect.width, imageRect.height, x, y, width, height); | |
720 } else if (colors !is null) { | |
721 // draw gradient | |
722 if (colors.length is 1) { | |
723 Color background = colors[0] !is null ? colors[0] : defaultBackground; | |
724 gc.setBackground(background); | |
725 gc.fillRectangle(x, y, width, height); | |
726 } else { | |
727 if (vertical) { | |
728 if (onBottom) { | |
729 int pos = 0; | |
730 if (percents[percents.length - 1] < 100) { | |
731 pos = percents[percents.length - 1] * height / 100; | |
732 gc.setBackground(defaultBackground); | |
733 gc.fillRectangle(x, y, width, pos); | |
734 } | |
735 Color lastColor = colors[colors.length-1]; | |
736 if (lastColor is null) lastColor = defaultBackground; | |
737 for (int i = percents.length-1; i >= 0; i--) { | |
738 gc.setForeground(lastColor); | |
739 lastColor = colors[i]; | |
740 if (lastColor is null) lastColor = defaultBackground; | |
741 gc.setBackground(lastColor); | |
742 int gradientHeight = percents[i] * height / 100; | |
743 gc.fillGradientRectangle(x, y+pos, width, gradientHeight, true); | |
744 pos += gradientHeight; | |
745 } | |
746 } else { | |
747 Color lastColor = colors[0]; | |
748 if (lastColor is null) lastColor = defaultBackground; | |
749 int pos = 0; | |
750 for (int i = 0; i < percents.length; i++) { | |
751 gc.setForeground(lastColor); | |
752 lastColor = colors[i + 1]; | |
753 if (lastColor is null) lastColor = defaultBackground; | |
754 gc.setBackground(lastColor); | |
755 int gradientHeight = percents[i] * height / 100; | |
756 gc.fillGradientRectangle(x, y+pos, width, gradientHeight, true); | |
757 pos += gradientHeight; | |
758 } | |
759 if (pos < height) { | |
760 gc.setBackground(defaultBackground); | |
761 gc.fillRectangle(x, pos, width, height-pos+1); | |
762 } | |
763 } | |
764 } else { //horizontal gradient | |
765 y = 0; | |
766 height = getSize().y; | |
767 Color lastColor = colors[0]; | |
768 if (lastColor is null) lastColor = defaultBackground; | |
769 int pos = 0; | |
770 for (int i = 0; i < percents.length; ++i) { | |
771 gc.setForeground(lastColor); | |
772 lastColor = colors[i + 1]; | |
773 if (lastColor is null) lastColor = defaultBackground; | |
774 gc.setBackground(lastColor); | |
775 int gradientWidth = (percents[i] * width / 100) - pos; | |
776 gc.fillGradientRectangle(x+pos, y, gradientWidth, height, false); | |
777 pos += gradientWidth; | |
778 } | |
779 if (pos < width) { | |
780 gc.setBackground(defaultBackground); | |
781 gc.fillRectangle(x+pos, y, width-pos, height); | |
782 } | |
783 } | |
784 } | |
785 } else { | |
786 // draw a solid background using default background in shape | |
787 if ((getStyle() & DWT.NO_BACKGROUND) !is 0 || defaultBackground!=getBackground()) { | |
788 gc.setBackground(defaultBackground); | |
789 gc.fillRectangle(x, y, width, height); | |
790 } | |
791 } | |
792 gc.setClipping(clipping); | |
793 clipping.dispose(); | |
794 region.dispose(); | |
795 } | |
796 void drawBody(Event event) { | |
797 GC gc = event.gc; | |
798 Point size = getSize(); | |
799 | |
800 // fill in body | |
801 if (!minimized){ | |
802 int width = size.x - borderLeft - borderRight - 2*highlight_margin; | |
803 int height = size.y - borderTop - borderBottom - tabHeight - highlight_header - highlight_margin; | |
804 // Draw highlight margin | |
805 if (highlight_margin > 0) { | |
806 int[] shape = null; | |
807 if (onBottom) { | |
808 int x1 = borderLeft; | |
809 int y1 = borderTop; | |
810 int x2 = size.x - borderRight; | |
811 int y2 = size.y - borderBottom - tabHeight - highlight_header; | |
812 shape = [x1,y1, x2,y1, x2,y2, x2-highlight_margin,y2, | |
813 x2-highlight_margin, y1+highlight_margin, x1+highlight_margin,y1+highlight_margin, | |
814 x1+highlight_margin,y2, x1,y2]; | |
815 } else { | |
816 int x1 = borderLeft; | |
817 int y1 = borderTop + tabHeight + highlight_header; | |
818 int x2 = size.x - borderRight; | |
819 int y2 = size.y - borderBottom; | |
820 shape = [x1,y1, x1+highlight_margin,y1, x1+highlight_margin,y2-highlight_margin, | |
821 x2-highlight_margin,y2-highlight_margin, x2-highlight_margin,y1, | |
822 x2,y1, x2,y2, x1,y2]; | |
823 } | |
824 // If horizontal gradient, show gradient across the whole area | |
825 if (selectedIndex !is -1 && selectionGradientColors !is null && selectionGradientColors.length > 1 && !selectionGradientVertical) { | |
826 drawBackground(gc, shape, true); | |
827 } else if (selectedIndex is -1 && gradientColors !is null && gradientColors.length > 1 && !gradientVertical) { | |
828 drawBackground(gc, shape, false); | |
829 } else { | |
830 gc.setBackground(selectedIndex is -1 ? getBackground() : selectionBackground); | |
831 gc.fillPolygon(shape); | |
832 } | |
833 } | |
834 //Draw client area | |
835 if ((getStyle() & DWT.NO_BACKGROUND) !is 0) { | |
836 gc.setBackground(getBackground()); | |
837 gc.fillRectangle(xClient - marginWidth, yClient - marginHeight, width, height); | |
838 } | |
839 } else { | |
840 if ((getStyle() & DWT.NO_BACKGROUND) !is 0) { | |
841 int height = borderTop + tabHeight + highlight_header + borderBottom; | |
842 if (size.y > height) { | |
843 gc.setBackground(getParent().getBackground()); | |
844 gc.fillRectangle(0, height, size.x, size.y - height); | |
845 } | |
846 } | |
847 } | |
848 | |
849 //draw 1 pixel border around outside | |
850 if (borderLeft > 0) { | |
851 gc.setForeground(borderColor); | |
852 int x1 = borderLeft - 1; | |
853 int x2 = size.x - borderRight; | |
854 int y1 = onBottom ? borderTop - 1 : borderTop + tabHeight; | |
855 int y2 = onBottom ? size.y - tabHeight - borderBottom - 1 : size.y - borderBottom; | |
856 gc.drawLine(x1, y1, x1, y2); // left | |
857 gc.drawLine(x2, y1, x2, y2); // right | |
858 if (onBottom) { | |
859 gc.drawLine(x1, y1, x2, y1); // top | |
860 } else { | |
861 gc.drawLine(x1, y2, x2, y2); // bottom | |
862 } | |
863 } | |
864 } | |
865 | |
866 void drawChevron(GC gc) { | |
867 if (chevronRect.width is 0 || chevronRect.height is 0) return; | |
868 // draw chevron (10x7) | |
869 Display display = getDisplay(); | |
870 Point dpi = display.getDPI(); | |
871 int fontHeight = 72 * 10 / dpi.y; | |
872 FontData fd = getFont().getFontData()[0]; | |
873 fd.setHeight(fontHeight); | |
874 Font f = new Font(display, fd); | |
875 int fHeight = f.getFontData()[0].getHeight() * dpi.y / 72; | |
876 int indent = Math.max(2, (chevronRect.height - fHeight - 4) /2); | |
877 int x = chevronRect.x + 2; | |
878 int y = chevronRect.y + indent; | |
879 int count; | |
880 if (single) { | |
881 count = selectedIndex is -1 ? items.length : items.length - 1; | |
882 } else { | |
883 int showCount = 0; | |
884 while (showCount < priority.length && items[priority[showCount]].showing) { | |
885 showCount++; | |
886 } | |
887 count = items.length - showCount; | |
888 } | |
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889 String chevronString = count > 99 ? "99+" : to!(String)(count); //$NON-NLS-1$ |
155 | 890 switch (chevronImageState) { |
891 case NORMAL: { | |
892 Color chevronBorder = single ? getSelectionForeground() : getForeground(); | |
893 gc.setForeground(chevronBorder); | |
894 gc.setFont(f); | |
895 gc.drawLine(x,y, x+2,y+2); | |
896 gc.drawLine(x+2,y+2, x,y+4); | |
897 gc.drawLine(x+1,y, x+3,y+2); | |
898 gc.drawLine(x+3,y+2, x+1,y+4); | |
899 gc.drawLine(x+4,y, x+6,y+2); | |
900 gc.drawLine(x+6,y+2, x+5,y+4); | |
901 gc.drawLine(x+5,y, x+7,y+2); | |
902 gc.drawLine(x+7,y+2, x+4,y+4); | |
903 gc.drawString(chevronString, x+7, y+3, true); | |
904 break; | |
905 } | |
906 case HOT: { | |
907 gc.setForeground(display.getSystemColor(BUTTON_BORDER)); | |
908 gc.setBackground(display.getSystemColor(BUTTON_FILL)); | |
909 gc.setFont(f); | |
910 gc.fillRoundRectangle(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, 6, 6); | |
911 gc.drawRoundRectangle(chevronRect.x, chevronRect.y, chevronRect.width - 1, chevronRect.height - 1, 6, 6); | |
912 gc.drawLine(x,y, x+2,y+2); | |
913 gc.drawLine(x+2,y+2, x,y+4); | |
914 gc.drawLine(x+1,y, x+3,y+2); | |
915 gc.drawLine(x+3,y+2, x+1,y+4); | |
916 gc.drawLine(x+4,y, x+6,y+2); | |
917 gc.drawLine(x+6,y+2, x+5,y+4); | |
918 gc.drawLine(x+5,y, x+7,y+2); | |
919 gc.drawLine(x+7,y+2, x+4,y+4); | |
920 gc.drawString(chevronString, x+7, y+3, true); | |
921 break; | |
922 } | |
923 case SELECTED: { | |
924 gc.setForeground(display.getSystemColor(BUTTON_BORDER)); | |
925 gc.setBackground(display.getSystemColor(BUTTON_FILL)); | |
926 gc.setFont(f); | |
927 gc.fillRoundRectangle(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, 6, 6); | |
928 gc.drawRoundRectangle(chevronRect.x, chevronRect.y, chevronRect.width - 1, chevronRect.height - 1, 6, 6); | |
929 gc.drawLine(x+1,y+1, x+3,y+3); | |
930 gc.drawLine(x+3,y+3, x+1,y+5); | |
931 gc.drawLine(x+2,y+1, x+4,y+3); | |
932 gc.drawLine(x+4,y+3, x+2,y+5); | |
933 gc.drawLine(x+5,y+1, x+7,y+3); | |
934 gc.drawLine(x+7,y+3, x+6,y+5); | |
935 gc.drawLine(x+6,y+1, x+8,y+3); | |
936 gc.drawLine(x+8,y+3, x+5,y+5); | |
937 gc.drawString(chevronString, x+8, y+4, true); | |
938 break; | |
939 } | |
940 default: | |
941 } | |
942 f.dispose(); | |
943 } | |
944 void drawMaximize(GC gc) { | |
945 if (maxRect.width is 0 || maxRect.height is 0) return; | |
946 Display display = getDisplay(); | |
947 // 5x4 or 7x9 | |
948 int x = maxRect.x + (CTabFolder.BUTTON_SIZE - 10)/2; | |
949 int y = maxRect.y + 3; | |
950 | |
951 gc.setForeground(display.getSystemColor(BUTTON_BORDER)); | |
952 gc.setBackground(display.getSystemColor(BUTTON_FILL)); | |
953 | |
954 switch (maxImageState) { | |
955 case NORMAL: { | |
956 if (!maximized) { | |
957 gc.fillRectangle(x, y, 9, 9); | |
958 gc.drawRectangle(x, y, 9, 9); | |
959 gc.drawLine(x+1, y+2, x+8, y+2); | |
960 } else { | |
961 gc.fillRectangle(x, y+3, 5, 4); | |
962 gc.fillRectangle(x+2, y, 5, 4); | |
963 gc.drawRectangle(x, y+3, 5, 4); | |
964 gc.drawRectangle(x+2, y, 5, 4); | |
965 gc.drawLine(x+3, y+1, x+6, y+1); | |
966 gc.drawLine(x+1, y+4, x+4, y+4); | |
967 } | |
968 break; | |
969 } | |
970 case HOT: { | |
971 gc.fillRoundRectangle(maxRect.x, maxRect.y, maxRect.width, maxRect.height, 6, 6); | |
972 gc.drawRoundRectangle(maxRect.x, maxRect.y, maxRect.width - 1, maxRect.height - 1, 6, 6); | |
973 if (!maximized) { | |
974 gc.fillRectangle(x, y, 9, 9); | |
975 gc.drawRectangle(x, y, 9, 9); | |
976 gc.drawLine(x+1, y+2, x+8, y+2); | |
977 } else { | |
978 gc.fillRectangle(x, y+3, 5, 4); | |
979 gc.fillRectangle(x+2, y, 5, 4); | |
980 gc.drawRectangle(x, y+3, 5, 4); | |
981 gc.drawRectangle(x+2, y, 5, 4); | |
982 gc.drawLine(x+3, y+1, x+6, y+1); | |
983 gc.drawLine(x+1, y+4, x+4, y+4); | |
984 } | |
985 break; | |
986 } | |
987 case SELECTED: { | |
988 gc.fillRoundRectangle(maxRect.x, maxRect.y, maxRect.width, maxRect.height, 6, 6); | |
989 gc.drawRoundRectangle(maxRect.x, maxRect.y, maxRect.width - 1, maxRect.height - 1, 6, 6); | |
990 if (!maximized) { | |
991 gc.fillRectangle(x+1, y+1, 9, 9); | |
992 gc.drawRectangle(x+1, y+1, 9, 9); | |
993 gc.drawLine(x+2, y+3, x+9, y+3); | |
994 } else { | |
995 gc.fillRectangle(x+1, y+4, 5, 4); | |
996 gc.fillRectangle(x+3, y+1, 5, 4); | |
997 gc.drawRectangle(x+1, y+4, 5, 4); | |
998 gc.drawRectangle(x+3, y+1, 5, 4); | |
999 gc.drawLine(x+4, y+2, x+7, y+2); | |
1000 gc.drawLine(x+2, y+5, x+5, y+5); | |
1001 } | |
1002 break; | |
1003 } | |
1004 default: | |
1005 } | |
1006 } | |
1007 void drawMinimize(GC gc) { | |
1008 if (minRect.width is 0 || minRect.height is 0) return; | |
1009 Display display = getDisplay(); | |
1010 // 5x4 or 9x3 | |
1011 int x = minRect.x + (BUTTON_SIZE - 10)/2; | |
1012 int y = minRect.y + 3; | |
1013 | |
1014 gc.setForeground(display.getSystemColor(BUTTON_BORDER)); | |
1015 gc.setBackground(display.getSystemColor(BUTTON_FILL)); | |
1016 | |
1017 switch (minImageState) { | |
1018 case NORMAL: { | |
1019 if (!minimized) { | |
1020 gc.fillRectangle(x, y, 9, 3); | |
1021 gc.drawRectangle(x, y, 9, 3); | |
1022 } else { | |
1023 gc.fillRectangle(x, y+3, 5, 4); | |
1024 gc.fillRectangle(x+2, y, 5, 4); | |
1025 gc.drawRectangle(x, y+3, 5, 4); | |
1026 gc.drawRectangle(x+2, y, 5, 4); | |
1027 gc.drawLine(x+3, y+1, x+6, y+1); | |
1028 gc.drawLine(x+1, y+4, x+4, y+4); | |
1029 } | |
1030 break; | |
1031 } | |
1032 case HOT: { | |
1033 gc.fillRoundRectangle(minRect.x, minRect.y, minRect.width, minRect.height, 6, 6); | |
1034 gc.drawRoundRectangle(minRect.x, minRect.y, minRect.width - 1, minRect.height - 1, 6, 6); | |
1035 if (!minimized) { | |
1036 gc.fillRectangle(x, y, 9, 3); | |
1037 gc.drawRectangle(x, y, 9, 3); | |
1038 } else { | |
1039 gc.fillRectangle(x, y+3, 5, 4); | |
1040 gc.fillRectangle(x+2, y, 5, 4); | |
1041 gc.drawRectangle(x, y+3, 5, 4); | |
1042 gc.drawRectangle(x+2, y, 5, 4); | |
1043 gc.drawLine(x+3, y+1, x+6, y+1); | |
1044 gc.drawLine(x+1, y+4, x+4, y+4); | |
1045 } | |
1046 break; | |
1047 } | |
1048 case SELECTED: { | |
1049 gc.fillRoundRectangle(minRect.x, minRect.y, minRect.width, minRect.height, 6, 6); | |
1050 gc.drawRoundRectangle(minRect.x, minRect.y, minRect.width - 1, minRect.height - 1, 6, 6); | |
1051 if (!minimized) { | |
1052 gc.fillRectangle(x+1, y+1, 9, 3); | |
1053 gc.drawRectangle(x+1, y+1, 9, 3); | |
1054 } else { | |
1055 gc.fillRectangle(x+1, y+4, 5, 4); | |
1056 gc.fillRectangle(x+3, y+1, 5, 4); | |
1057 gc.drawRectangle(x+1, y+4, 5, 4); | |
1058 gc.drawRectangle(x+3, y+1, 5, 4); | |
1059 gc.drawLine(x+4, y+2, x+7, y+2); | |
1060 gc.drawLine(x+2, y+5, x+5, y+5); | |
1061 } | |
1062 break; | |
1063 } | |
1064 default: | |
1065 } | |
1066 } | |
1067 void drawTabArea(Event event) { | |
1068 GC gc = event.gc; | |
1069 Point size = getSize(); | |
1070 int[] shape = null; | |
1071 | |
1072 if (tabHeight is 0) { | |
1073 int style = getStyle(); | |
1074 if ((style & DWT.FLAT) !is 0 && (style & DWT.BORDER) is 0) return; | |
1075 int x1 = borderLeft - 1; | |
1076 int x2 = size.x - borderRight; | |
1077 int y1 = onBottom ? size.y - borderBottom - highlight_header - 1 : borderTop + highlight_header; | |
1078 int y2 = onBottom ? size.y - borderBottom : borderTop; | |
1079 if (borderLeft > 0 && onBottom) y2 -= 1; | |
1080 | |
1081 shape = [x1, y1, x1,y2, x2,y2, x2,y1]; | |
1082 | |
1083 // If horizontal gradient, show gradient across the whole area | |
1084 if (selectedIndex !is -1 && selectionGradientColors !is null && selectionGradientColors.length > 1 && !selectionGradientVertical) { | |
1085 drawBackground(gc, shape, true); | |
1086 } else if (selectedIndex is -1 && gradientColors !is null && gradientColors.length > 1 && !gradientVertical) { | |
1087 drawBackground(gc, shape, false); | |
1088 } else { | |
1089 gc.setBackground(selectedIndex is -1 ? getBackground() : selectionBackground); | |
1090 gc.fillPolygon(shape); | |
1091 } | |
1092 | |
1093 //draw 1 pixel border | |
1094 if (borderLeft > 0) { | |
1095 gc.setForeground(borderColor); | |
1096 gc.drawPolyline(shape); | |
1097 } | |
1098 return; | |
1099 } | |
1100 | |
1101 int x = Math.max(0, borderLeft - 1); | |
1102 int y = onBottom ? size.y - borderBottom - tabHeight : borderTop; | |
1103 int width = size.x - borderLeft - borderRight + 1; | |
1104 int height = tabHeight - 1; | |
1105 | |
1106 // Draw Tab Header | |
1107 if (onBottom) { | |
1108 int[] left, right; | |
1109 if ((getStyle() & DWT.BORDER) !is 0) { | |
1110 left = simple ? SIMPLE_BOTTOM_LEFT_CORNER : BOTTOM_LEFT_CORNER; | |
1111 right = simple ? SIMPLE_BOTTOM_RIGHT_CORNER : BOTTOM_RIGHT_CORNER; | |
1112 } else { | |
1113 left = simple ? SIMPLE_BOTTOM_LEFT_CORNER_BORDERLESS : BOTTOM_LEFT_CORNER_BORDERLESS; | |
1114 right = simple ? SIMPLE_BOTTOM_RIGHT_CORNER_BORDERLESS : BOTTOM_RIGHT_CORNER_BORDERLESS; | |
1115 } | |
1116 shape = new int[left.length + right.length + 4]; | |
1117 int index = 0; | |
1118 shape[index++] = x; | |
1119 shape[index++] = y-highlight_header; | |
1120 for (int i = 0; i < left.length/2; i++) { | |
1121 shape[index++] = x+left[2*i]; | |
1122 shape[index++] = y+height+left[2*i+1]; | |
1123 if (borderLeft is 0) shape[index-1] += 1; | |
1124 } | |
1125 for (int i = 0; i < right.length/2; i++) { | |
1126 shape[index++] = x+width+right[2*i]; | |
1127 shape[index++] = y+height+right[2*i+1]; | |
1128 if (borderLeft is 0) shape[index-1] += 1; | |
1129 } | |
1130 shape[index++] = x+width; | |
1131 shape[index++] = y-highlight_header; | |
1132 } else { | |
1133 int[] left, right; | |
1134 if ((getStyle() & DWT.BORDER) !is 0) { | |
1135 left = simple ? SIMPLE_TOP_LEFT_CORNER : TOP_LEFT_CORNER; | |
1136 right = simple ? SIMPLE_TOP_RIGHT_CORNER : TOP_RIGHT_CORNER; | |
1137 } else { | |
1138 left = simple ? SIMPLE_TOP_LEFT_CORNER_BORDERLESS : TOP_LEFT_CORNER_BORDERLESS; | |
1139 right = simple ? SIMPLE_TOP_RIGHT_CORNER_BORDERLESS : TOP_RIGHT_CORNER_BORDERLESS; | |
1140 } | |
1141 shape = new int[left.length + right.length + 4]; | |
1142 int index = 0; | |
1143 shape[index++] = x; | |
1144 shape[index++] = y+height+highlight_header + 1; | |
1145 for (int i = 0; i < left.length/2; i++) { | |
1146 shape[index++] = x+left[2*i]; | |
1147 shape[index++] = y+left[2*i+1]; | |
1148 } | |
1149 for (int i = 0; i < right.length/2; i++) { | |
1150 shape[index++] = x+width+right[2*i]; | |
1151 shape[index++] = y+right[2*i+1]; | |
1152 } | |
1153 shape[index++] = x+width; | |
1154 shape[index++] = y+height+highlight_header + 1; | |
1155 } | |
1156 // Fill in background | |
1157 bool bkSelected = single && selectedIndex !is -1; | |
1158 drawBackground(gc, shape, bkSelected); | |
1159 // Fill in parent background for non-rectangular shape | |
1160 Region r = new Region(); | |
1161 r.add(new Rectangle(x, y, width + 1, height + 1)); | |
1162 r.subtract(shape); | |
1163 gc.setBackground(getParent().getBackground()); | |
1164 fillRegion(gc, r); | |
1165 r.dispose(); | |
1166 | |
1167 // Draw the unselected tabs. | |
1168 if (!single) { | |
1169 for (int i=0; i < items.length; i++) { | |
1170 if (i !is selectedIndex && event.getBounds().intersects(items[i].getBounds())) { | |
1171 items[i].onPaint(gc, false); | |
1172 } | |
1173 } | |
1174 } | |
1175 | |
1176 // Draw selected tab | |
1177 if (selectedIndex !is -1) { | |
1178 CTabItem item = items[selectedIndex]; | |
1179 item.onPaint(gc, true); | |
1180 } else { | |
1181 // if no selected tab - draw line across bottom of all tabs | |
1182 int x1 = borderLeft; | |
1183 int y1 = (onBottom) ? size.y - borderBottom - tabHeight - 1 : borderTop + tabHeight; | |
1184 int x2 = size.x - borderRight; | |
1185 gc.setForeground(borderColor); | |
1186 gc.drawLine(x1, y1, x2, y1); | |
1187 } | |
1188 | |
1189 // Draw Buttons | |
1190 drawChevron(gc); | |
1191 drawMinimize(gc); | |
1192 drawMaximize(gc); | |
1193 | |
1194 // Draw border line | |
1195 if (borderLeft > 0) { | |
1196 RGB outside = getParent().getBackground().getRGB(); | |
1197 antialias(shape, borderColor.getRGB(), null, outside, gc); | |
1198 gc.setForeground(borderColor); | |
1199 gc.drawPolyline(shape); | |
1200 } | |
1201 } | |
1202 /** | |
1203 * Returns <code>true</code> if the receiver's border is visible. | |
1204 * | |
1205 * @return the receiver's border visibility state | |
1206 * | |
1207 * @exception DWTException <ul> | |
1208 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
1209 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
1210 * </ul> | |
1211 * | |
1212 * @since 3.0 | |
1213 */ | |
1214 public bool getBorderVisible() { | |
1215 checkWidget(); | |
1216 return borderLeft is 1; | |
1217 } | |
1218 public override Rectangle getClientArea() { | |
1219 checkWidget(); | |
1220 if (minimized) return new Rectangle(xClient, yClient, 0, 0); | |
1221 Point size = getSize(); | |
1222 int width = size.x - borderLeft - borderRight - 2*marginWidth - 2*highlight_margin; | |
1223 int height = size.y - borderTop - borderBottom - 2*marginHeight - highlight_margin - highlight_header; | |
1224 height -= tabHeight; | |
1225 return new Rectangle(xClient, yClient, width, height); | |
1226 } | |
1227 /** | |
1228 * Return the tab that is located at the specified index. | |
1229 * | |
1230 * @param index the index of the tab item | |
1231 * @return the item at the specified index | |
1232 * | |
1233 * @exception IllegalArgumentException <ul> | |
1234 * <li>ERROR_INVALID_RANGE - if the index is out of range</li> | |
1235 * </ul> | |
1236 * @exception DWTException <ul> | |
1237 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
1238 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
1239 * </ul> | |
1240 */ | |
1241 public CTabItem getItem (int index) { | |
1242 //checkWidget(); | |
1243 if (index < 0 || index >= items.length) | |
1244 DWT.error(DWT.ERROR_INVALID_RANGE); | |
1245 return items [index]; | |
1246 } | |
1247 /** | |
1248 * Gets the item at a point in the widget. | |
1249 * | |
1250 * @param pt the point in coordinates relative to the CTabFolder | |
1251 * @return the item at a point or null | |
1252 * | |
1253 * @exception DWTException <ul> | |
1254 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
1255 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
1256 * </ul> | |
1257 */ | |
1258 public CTabItem getItem (Point pt) { | |
1259 //checkWidget(); | |
1260 if (items.length is 0) return null; | |
1261 Point size = getSize(); | |
1262 if (size.x <= borderLeft + borderRight) return null; | |
1263 if (showChevron && chevronRect.contains(pt)) return null; | |
1264 for (int i = 0; i < priority.length; i++) { | |
1265 CTabItem item = items[priority[i]]; | |
1266 Rectangle rect = item.getBounds(); | |
1267 if (rect.contains(pt)) return item; | |
1268 } | |
1269 return null; | |
1270 } | |
1271 /** | |
1272 * Return the number of tabs in the folder. | |
1273 * | |
1274 * @return the number of tabs in the folder | |
1275 * | |
1276 * @exception DWTException <ul> | |
1277 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
1278 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
1279 * </ul> | |
1280 */ | |
1281 public int getItemCount(){ | |
1282 //checkWidget(); | |
1283 return items.length; | |
1284 } | |
1285 /** | |
1286 * Return the tab items. | |
1287 * | |
1288 * @return the tab items | |
1289 * | |
1290 * @exception DWTException <ul> | |
1291 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
1292 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
1293 * </ul> | |
1294 */ | |
1295 public CTabItem [] getItems() { | |
1296 //checkWidget(); | |
1297 CTabItem[] tabItems = new CTabItem [items.length]; | |
1298 System.arraycopy(items, 0, tabItems, 0, items.length); | |
1299 return tabItems; | |
1300 } | |
1301 /* | |
1302 * Return the lowercase of the first non-'&' character following | |
1303 * an '&' character in the given string. If there are no '&' | |
1304 * characters in the given string, return '\0'. | |
1305 */ | |
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
197
diff
changeset
|
1306 dchar _findMnemonic (String string) { |
155 | 1307 if (string is null) return '\0'; |
1308 int index = 0; | |
1309 int length_ = string.length; | |
1310 do { | |
1311 while (index < length_ && string[index] !is '&') index++; | |
1312 if (++index >= length_) return '\0'; | |
315
349b8c12e243
Sync dwt/custom with dwt-linux
Frank Benoit <benoit@tionex.de>
parents:
246
diff
changeset
|
1313 if (string[index] !is '&') return CharacterFirstToLower(string[index..$]); |
155 | 1314 index++; |
1315 } while (index < length_); | |
1316 return '\0'; | |
1317 } | |
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
197
diff
changeset
|
1318 String stripMnemonic (String string) { |
155 | 1319 int index = 0; |
1320 int length_ = string.length; | |
1321 do { | |
1322 while ((index < length_) && (string[index] !is '&')) index++; | |
1323 if (++index >= length_) return string; | |
1324 if (string[index] !is '&') { | |
315
349b8c12e243
Sync dwt/custom with dwt-linux
Frank Benoit <benoit@tionex.de>
parents:
246
diff
changeset
|
1325 return string.substring(0, index-1) ~ string.substring(index, length_); |
155 | 1326 } |
1327 index++; | |
1328 } while (index < length_); | |
1329 return string; | |
1330 } | |
1331 /** | |
1332 * Returns <code>true</code> if the receiver is minimized. | |
1333 * | |
1334 * @return the receiver's minimized state | |
1335 * | |
1336 * @exception DWTException <ul> | |
1337 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
1338 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
1339 * </ul> | |
1340 * | |
1341 * @since 3.0 | |
1342 */ | |
1343 public bool getMinimized() { | |
1344 checkWidget(); | |
1345 return minimized; | |
1346 } | |
1347 /** | |
1348 * Returns <code>true</code> if the minimize button | |
1349 * is visible. | |
1350 * | |
1351 * @return the visibility of the minimized button | |
1352 * | |
1353 * @exception DWTException <ul> | |
1354 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
1355 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
1356 * </ul> | |
1357 * | |
1358 * @since 3.0 | |
1359 */ | |
1360 public bool getMinimizeVisible() { | |
1361 checkWidget(); | |
1362 return showMin; | |
1363 } | |
1364 /** | |
1365 * Returns the number of characters that will | |
1366 * appear in a fully compressed tab. | |
1367 * | |
1368 * @return number of characters that will appear in a fully compressed tab | |
1369 * | |
1370 * @since 3.0 | |
1371 */ | |
1372 public int getMinimumCharacters() { | |
1373 checkWidget(); | |
1374 return minChars; | |
1375 } | |
1376 /** | |
1377 * Returns <code>true</code> if the receiver is maximized. | |
1378 * <p> | |
1379 * | |
1380 * @return the receiver's maximized state | |
1381 * | |
1382 * @exception DWTException <ul> | |
1383 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
1384 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
1385 * </ul> | |
1386 * | |
1387 * @since 3.0 | |
1388 */ | |
1389 public bool getMaximized() { | |
1390 checkWidget(); | |
1391 return maximized; | |
1392 } | |
1393 /** | |
1394 * Returns <code>true</code> if the maximize button | |
1395 * is visible. | |
1396 * | |
1397 * @return the visibility of the maximized button | |
1398 * | |
1399 * @exception DWTException <ul> | |
1400 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
1401 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
1402 * </ul> | |
1403 * | |
1404 * @since 3.0 | |
1405 */ | |
1406 public bool getMaximizeVisible() { | |
1407 checkWidget(); | |
1408 return showMax; | |
1409 } | |
1410 /** | |
1411 * Returns <code>true</code> if the receiver displays most | |
1412 * recently used tabs and <code>false</code> otherwise. | |
1413 * <p> | |
1414 * When there is not enough horizontal space to show all the tabs, | |
1415 * by default, tabs are shown sequentially from left to right in | |
1416 * order of their index. When the MRU visibility is turned on, | |
1417 * the tabs that are visible will be the tabs most recently selected. | |
1418 * Tabs will still maintain their left to right order based on index | |
1419 * but only the most recently selected tabs are visible. | |
1420 * <p> | |
1421 * For example, consider a CTabFolder that contains "Tab 1", "Tab 2", | |
1422 * "Tab 3" and "Tab 4" (in order by index). The user selects | |
1423 * "Tab 1" and then "Tab 3". If the CTabFolder is now | |
1424 * compressed so that only two tabs are visible, by default, | |
1425 * "Tab 2" and "Tab 3" will be shown ("Tab 3" since it is currently | |
1426 * selected and "Tab 2" because it is the previous item in index order). | |
1427 * If MRU visibility is enabled, the two visible tabs will be "Tab 1" | |
1428 * and "Tab 3" (in that order from left to right).</p> | |
1429 * | |
1430 * @return the receiver's header's visibility state | |
1431 * | |
1432 * @exception DWTException <ul> | |
1433 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
1434 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
1435 * </ul> | |
1436 * | |
1437 * @since 3.1 | |
1438 */ | |
1439 public bool getMRUVisible() { | |
1440 checkWidget(); | |
1441 return mru; | |
1442 } | |
1443 int getRightItemEdge (){ | |
1444 int x = getSize().x - borderRight - 3; | |
1445 if (showMin) x -= BUTTON_SIZE; | |
1446 if (showMax) x -= BUTTON_SIZE; | |
1447 if (showChevron) x -= 3*BUTTON_SIZE/2; | |
1448 if (topRight !is null && topRightAlignment !is DWT.FILL) { | |
1449 Point rightSize = topRight.computeSize(DWT.DEFAULT, DWT.DEFAULT); | |
1450 x -= rightSize.x + 3; | |
1451 } | |
1452 return Math.max(0, x); | |
1453 } | |
1454 /** | |
1455 * Return the selected tab item, or null if there is no selection. | |
1456 * | |
1457 * @return the selected tab item, or null if none has been selected | |
1458 * | |
1459 * @exception DWTException <ul> | |
1460 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
1461 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
1462 * </ul> | |
1463 */ | |
1464 public CTabItem getSelection() { | |
1465 //checkWidget(); | |
1466 if (selectedIndex is -1) return null; | |
1467 return items[selectedIndex]; | |
1468 } | |
1469 /** | |
1470 * Returns the receiver's selection background color. | |
1471 * | |
1472 * @return the selection background color of the receiver | |
1473 * | |
1474 * @exception DWTException <ul> | |
1475 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
1476 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
1477 * </ul> | |
1478 * | |
1479 * @since 3.0 | |
1480 */ | |
1481 public Color getSelectionBackground() { | |
1482 checkWidget(); | |
1483 return selectionBackground; | |
1484 } | |
1485 /** | |
1486 * Returns the receiver's selection foreground color. | |
1487 * | |
1488 * @return the selection foreground color of the receiver | |
1489 * | |
1490 * @exception DWTException <ul> | |
1491 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
1492 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
1493 * </ul> | |
1494 * | |
1495 * @since 3.0 | |
1496 */ | |
1497 public Color getSelectionForeground() { | |
1498 checkWidget(); | |
1499 return selectionForeground; | |
1500 } | |
1501 /** | |
1502 * Return the index of the selected tab item, or -1 if there | |
1503 * is no selection. | |
1504 * | |
1505 * @return the index of the selected tab item or -1 | |
1506 * | |
1507 * @exception DWTException <ul> | |
1508 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
1509 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
1510 * </ul> | |
1511 */ | |
1512 public int getSelectionIndex() { | |
1513 //checkWidget(); | |
1514 return selectedIndex; | |
1515 } | |
1516 /** | |
1517 * Returns <code>true</code> if the CTabFolder is rendered | |
1518 * with a simple, traditional shape. | |
1519 * | |
1520 * @return <code>true</code> if the CTabFolder is rendered with a simple shape | |
1521 * | |
1522 * @since 3.0 | |
1523 */ | |
1524 public bool getSimple() { | |
1525 checkWidget(); | |
1526 return simple; | |
1527 } | |
1528 /** | |
1529 * Returns <code>true</code> if the CTabFolder only displays the selected tab | |
1530 * and <code>false</code> if the CTabFolder displays multiple tabs. | |
1531 * | |
1532 * @return <code>true</code> if the CTabFolder only displays the selected tab and <code>false</code> if the CTabFolder displays multiple tabs | |
1533 * | |
1534 * @since 3.0 | |
1535 */ | |
1536 public bool getSingle() { | |
1537 checkWidget(); | |
1538 return single; | |
1539 } | |
1540 | |
1541 public override int getStyle() { | |
1542 int style = super.getStyle(); | |
1543 style &= ~(DWT.TOP | DWT.BOTTOM); | |
1544 style |= onBottom ? DWT.BOTTOM : DWT.TOP; | |
1545 style &= ~(DWT.SINGLE | DWT.MULTI); | |
1546 style |= single ? DWT.SINGLE : DWT.MULTI; | |
1547 if (borderLeft !is 0) style |= DWT.BORDER; | |
213 | 1548 style &= ~DWT.CLOSE; |
1549 if (showClose) style |= DWT.CLOSE; | |
155 | 1550 return style; |
1551 } | |
1552 /** | |
1553 * Returns the height of the tab | |
1554 * | |
1555 * @return the height of the tab | |
1556 * | |
1557 * @exception DWTException <ul> | |
1558 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
1559 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
1560 * </ul> | |
1561 */ | |
1562 public int getTabHeight(){ | |
1563 checkWidget(); | |
1564 if (fixedTabHeight !is DWT.DEFAULT) return fixedTabHeight; | |
1565 return tabHeight - 1; // -1 for line drawn across top of tab | |
1566 } | |
1567 /** | |
1568 * Returns the position of the tab. Possible values are DWT.TOP or DWT.BOTTOM. | |
1569 * | |
1570 * @return the position of the tab | |
1571 * | |
1572 * @exception DWTException <ul> | |
1573 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
1574 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
1575 * </ul> | |
1576 */ | |
1577 public int getTabPosition(){ | |
1578 checkWidget(); | |
1579 return onBottom ? DWT.BOTTOM : DWT.TOP; | |
1580 } | |
1581 /** | |
1582 * Returns the control in the top right corner of the tab folder. | |
1583 * Typically this is a close button or a composite with a menu and close button. | |
1584 * | |
1585 * @return the control in the top right corner of the tab folder or null | |
1586 * | |
1587 * @exception DWTException <ul> | |
1588 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
1589 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
1590 * </ul> | |
1591 * | |
1592 * @since 2.1 | |
1593 */ | |
1594 public Control getTopRight() { | |
1595 checkWidget(); | |
1596 return topRight; | |
1597 } | |
1598 /** | |
1599 * Returns <code>true</code> if the close button appears | |
1600 * when the user hovers over an unselected tabs. | |
1601 * | |
1602 * @return <code>true</code> if the close button appears on unselected tabs | |
1603 * | |
1604 * @since 3.0 | |
1605 */ | |
1606 public bool getUnselectedCloseVisible() { | |
1607 checkWidget(); | |
1608 return showUnselectedClose; | |
1609 } | |
1610 /** | |
1611 * Returns <code>true</code> if an image appears | |
1612 * in unselected tabs. | |
1613 * | |
1614 * @return <code>true</code> if an image appears in unselected tabs | |
1615 * | |
1616 * @since 3.0 | |
1617 */ | |
1618 public bool getUnselectedImageVisible() { | |
1619 checkWidget(); | |
1620 return showUnselectedImage; | |
1621 } | |
1622 /** | |
1623 * Return the index of the specified tab or -1 if the tab is not | |
1624 * in the receiver. | |
1625 * | |
1626 * @param item the tab item for which the index is required | |
1627 * | |
1628 * @return the index of the specified tab item or -1 | |
1629 * | |
1630 * @exception IllegalArgumentException <ul> | |
1631 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
1632 * </ul> | |
1633 * | |
1634 * @exception DWTException <ul> | |
1635 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
1636 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
1637 * </ul> | |
1638 */ | |
1639 public int indexOf(CTabItem item) { | |
1640 checkWidget(); | |
1641 if (item is null) { | |
1642 DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
1643 } | |
1644 for (int i = 0; i < items.length; i++) { | |
1645 if (items[i] is item) return i; | |
1646 } | |
1647 return -1; | |
1648 } | |
1649 void initAccessible() { | |
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1650 Accessible accessible = getAccessible(); |
155 | 1651 accessible.addAccessibleListener(new class() AccessibleAdapter { |
1652 public void getName(AccessibleEvent e) { | |
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1653 String name = null; |
155 | 1654 int childID = e.childID; |
1655 if (childID >= 0 && childID < items.length) { | |
1656 name = stripMnemonic(items[childID].getText()); | |
1657 } else if (childID is items.length + CHEVRON_CHILD_ID) { | |
1658 name = DWT.getMessage("SWT_ShowList"); //$NON-NLS-1$ | |
1659 } else if (childID is items.length + MINIMIZE_CHILD_ID) { | |
1660 name = minimized ? DWT.getMessage("SWT_Restore") : DWT.getMessage("SWT_Minimize"); //$NON-NLS-1$ //$NON-NLS-2$ | |
1661 } else if (childID is items.length + MAXIMIZE_CHILD_ID) { | |
1662 name = maximized ? DWT.getMessage("SWT_Restore") : DWT.getMessage("SWT_Maximize"); //$NON-NLS-1$ //$NON-NLS-2$ | |
1663 } | |
1664 e.result = name; | |
1665 } | |
1666 | |
1667 public void getHelp(AccessibleEvent e) { | |
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1668 String help = null; |
155 | 1669 int childID = e.childID; |
1670 if (childID is ACC.CHILDID_SELF) { | |
1671 help = getToolTipText(); | |
1672 } else if (childID >= 0 && childID < items.length) { | |
1673 help = items[childID].getToolTipText(); | |
1674 } | |
1675 e.result = help; | |
1676 } | |
1677 | |
1678 public void getKeyboardShortcut(AccessibleEvent e) { | |
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1679 String shortcut = null; |
155 | 1680 int childID = e.childID; |
1681 if (childID >= 0 && childID < items.length) { | |
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1682 String text = items[childID].getText(); |
155 | 1683 if (text !is null) { |
1684 dchar mnemonic = _findMnemonic(text); | |
1685 if (mnemonic !is '\0') { | |
1686 shortcut = "Alt+"~tango.text.convert.Utf.toString([mnemonic]); //$NON-NLS-1$ | |
1687 } | |
1688 } | |
1689 } | |
1690 e.result = shortcut; | |
1691 } | |
1692 }); | |
1693 | |
1694 accessible.addAccessibleControlListener(new class() AccessibleControlAdapter { | |
1695 public void getChildAtPoint(AccessibleControlEvent e) { | |
1696 Point testPoint = toControl(e.x, e.y); | |
1697 int childID = ACC.CHILDID_NONE; | |
1698 for (int i = 0; i < items.length; i++) { | |
1699 if (items[i].getBounds().contains(testPoint)) { | |
1700 childID = i; | |
1701 break; | |
1702 } | |
1703 } | |
1704 if (childID is ACC.CHILDID_NONE) { | |
1705 if (showChevron && chevronRect.contains(testPoint)) { | |
1706 childID = items.length + CHEVRON_CHILD_ID; | |
1707 } else if (showMin && minRect.contains(testPoint)) { | |
1708 childID = items.length + MINIMIZE_CHILD_ID; | |
1709 } else if (showMax && maxRect.contains(testPoint)) { | |
1710 childID = items.length + MAXIMIZE_CHILD_ID; | |
1711 } else { | |
1712 Rectangle location = getBounds(); | |
1713 location.height = location.height - getClientArea().height; | |
1714 if (location.contains(testPoint)) { | |
1715 childID = ACC.CHILDID_SELF; | |
1716 } | |
1717 } | |
1718 } | |
1719 e.childID = childID; | |
1720 } | |
1721 | |
1722 public void getLocation(AccessibleControlEvent e) { | |
1723 Rectangle location = null; | |
213 | 1724 Point pt = null; |
155 | 1725 int childID = e.childID; |
1726 if (childID is ACC.CHILDID_SELF) { | |
1727 location = getBounds(); | |
213 | 1728 pt = getParent().toDisplay(location.x, location.y); |
1729 } else { | |
1730 if (childID >= 0 && childID < items.length && items[childID].isShowing()) { | |
1731 location = items[childID].getBounds(); | |
1732 } else if (showChevron && childID is items.length + CHEVRON_CHILD_ID) { | |
1733 location = chevronRect; | |
1734 } else if (showMin && childID is items.length + MINIMIZE_CHILD_ID) { | |
1735 location = minRect; | |
1736 } else if (showMax && childID is items.length + MAXIMIZE_CHILD_ID) { | |
1737 location = maxRect; | |
1738 } | |
1739 if (location !is null) { | |
1740 pt = toDisplay(location.x, location.y); | |
1741 } | |
155 | 1742 } |
213 | 1743 if (location !is null && pt !is null) { |
155 | 1744 e.x = pt.x; |
1745 e.y = pt.y; | |
1746 e.width = location.width; | |
1747 e.height = location.height; | |
1748 } | |
1749 } | |
1750 | |
1751 public void getChildCount(AccessibleControlEvent e) { | |
1752 e.detail = items.length + EXTRA_CHILD_ID_COUNT; | |
1753 } | |
1754 | |
1755 public void getDefaultAction(AccessibleControlEvent e) { | |
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1756 String action = null; |
155 | 1757 int childID = e.childID; |
1758 if (childID >= 0 && childID < items.length) { | |
1759 action = DWT.getMessage ("SWT_Switch"); //$NON-NLS-1$ | |
1760 } | |
1761 if (childID >= items.length && childID < items.length + EXTRA_CHILD_ID_COUNT) { | |
1762 action = DWT.getMessage ("SWT_Press"); //$NON-NLS-1$ | |
1763 } | |
1764 e.result = action; | |
1765 } | |
1766 | |
1767 public void getFocus(AccessibleControlEvent e) { | |
1768 int childID = ACC.CHILDID_NONE; | |
1769 if (isFocusControl()) { | |
1770 if (selectedIndex is -1) { | |
1771 childID = ACC.CHILDID_SELF; | |
1772 } else { | |
1773 childID = selectedIndex; | |
1774 } | |
1775 } | |
1776 e.childID = childID; | |
1777 } | |
1778 | |
1779 public void getRole(AccessibleControlEvent e) { | |
1780 int role = 0; | |
1781 int childID = e.childID; | |
1782 if (childID is ACC.CHILDID_SELF) { | |
1783 role = ACC.ROLE_TABFOLDER; | |
1784 } else if (childID >= 0 && childID < items.length) { | |
1785 role = ACC.ROLE_TABITEM; | |
1786 } else if (childID >= items.length && childID < items.length + EXTRA_CHILD_ID_COUNT) { | |
1787 role = ACC.ROLE_PUSHBUTTON; | |
1788 } | |
1789 e.detail = role; | |
1790 } | |
1791 | |
1792 public void getSelection(AccessibleControlEvent e) { | |
1793 e.childID = (selectedIndex is -1) ? ACC.CHILDID_NONE : selectedIndex; | |
1794 } | |
1795 | |
1796 public void getState(AccessibleControlEvent e) { | |
1797 int state = 0; | |
1798 int childID = e.childID; | |
1799 if (childID is ACC.CHILDID_SELF) { | |
1800 state = ACC.STATE_NORMAL; | |
1801 } else if (childID >= 0 && childID < items.length) { | |
1802 state = ACC.STATE_SELECTABLE; | |
1803 if (isFocusControl()) { | |
1804 state |= ACC.STATE_FOCUSABLE; | |
1805 } | |
1806 if (selectedIndex is childID) { | |
1807 state |= ACC.STATE_SELECTED; | |
1808 if (isFocusControl()) { | |
1809 state |= ACC.STATE_FOCUSED; | |
1810 } | |
1811 } | |
1812 } else if (childID is items.length + CHEVRON_CHILD_ID) { | |
1813 state = showChevron ? ACC.STATE_NORMAL : ACC.STATE_INVISIBLE; | |
1814 } else if (childID is items.length + MINIMIZE_CHILD_ID) { | |
1815 state = showMin ? ACC.STATE_NORMAL : ACC.STATE_INVISIBLE; | |
1816 } else if (childID is items.length + MAXIMIZE_CHILD_ID) { | |
1817 state = showMax ? ACC.STATE_NORMAL : ACC.STATE_INVISIBLE; | |
1818 } | |
1819 e.detail = state; | |
1820 } | |
1821 | |
1822 public void getChildren(AccessibleControlEvent e) { | |
1823 int childIdCount = items.length + EXTRA_CHILD_ID_COUNT; | |
1824 Object[] children = new Object[childIdCount]; | |
1825 for (int i = 0; i < childIdCount; i++) { | |
1826 children[i] = new Integer(i); | |
1827 } | |
1828 e.children = children; | |
1829 } | |
1830 }); | |
1831 | |
1832 addListener(DWT.Selection, new class(accessible) Listener { | |
1833 Accessible acc; | |
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1834 this( Accessible a ){ |
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1835 this.acc = a; |
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1836 } |
155 | 1837 public void handleEvent(Event event) { |
1838 if (isFocusControl()) { | |
1839 if (selectedIndex is -1) { | |
1840 acc.setFocus(ACC.CHILDID_SELF); | |
1841 } else { | |
1842 acc.setFocus(selectedIndex); | |
1843 } | |
1844 } | |
1845 } | |
1846 }); | |
1847 | |
1848 addListener(DWT.FocusIn, new class(accessible) Listener { | |
1849 Accessible acc; | |
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1850 this( Accessible a ){ this.acc = a; } |
155 | 1851 public void handleEvent(Event event) { |
1852 if (selectedIndex is -1) { | |
1853 acc.setFocus(ACC.CHILDID_SELF); | |
1854 } else { | |
1855 acc.setFocus(selectedIndex); | |
1856 } | |
1857 } | |
1858 }); | |
1859 } | |
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1860 |
155 | 1861 void onKeyDown (Event event) { |
1862 switch (event.keyCode) { | |
1863 case DWT.ARROW_LEFT: | |
1864 case DWT.ARROW_RIGHT: | |
1865 int count = items.length; | |
1866 if (count is 0) return; | |
1867 if (selectedIndex is -1) return; | |
1868 int leadKey = (getStyle() & DWT.RIGHT_TO_LEFT) !is 0 ? DWT.ARROW_RIGHT : DWT.ARROW_LEFT; | |
1869 int offset = event.keyCode is leadKey ? -1 : 1; | |
1870 int index; | |
1871 if (!mru) { | |
1872 index = selectedIndex + offset; | |
1873 } else { | |
1874 int[] visible = new int[items.length]; | |
1875 int idx = 0; | |
1876 int current = -1; | |
1877 for (int i = 0; i < items.length; i++) { | |
1878 if (items[i].showing) { | |
1879 if (i is selectedIndex) current = idx; | |
1880 visible [idx++] = i; | |
1881 } | |
1882 } | |
1883 if (current + offset >= 0 && current + offset < idx){ | |
1884 index = visible [current + offset]; | |
1885 } else { | |
1886 if (showChevron) { | |
1887 CTabFolderEvent e = new CTabFolderEvent(this); | |
1888 e.widget = this; | |
1889 e.time = event.time; | |
1890 e.x = chevronRect.x; | |
1891 e.y = chevronRect.y; | |
1892 e.width = chevronRect.width; | |
1893 e.height = chevronRect.height; | |
1894 e.doit = true; | |
1895 for (int i = 0; i < folderListeners.length; i++) { | |
1896 folderListeners[i].showList(e); | |
1897 } | |
1898 if (e.doit && !isDisposed()) { | |
1899 showList(chevronRect); | |
1900 } | |
1901 } | |
1902 return; | |
1903 } | |
1904 } | |
1905 if (index < 0 || index >= count) return; | |
1906 setSelection (index, true); | |
1907 forceFocus(); | |
1908 default: | |
1909 } | |
1910 } | |
1911 void onDispose(Event event) { | |
1912 removeListener(DWT.Dispose, listener); | |
1913 notifyListeners(DWT.Dispose, event); | |
1914 event.type = DWT.None; | |
1915 /* | |
1916 * Usually when an item is disposed, destroyItem will change the size of the items array, | |
1917 * reset the bounds of all the tabs and manage the widget associated with the tab. | |
1918 * Since the whole folder is being disposed, this is not necessary. For speed | |
1919 * the inDispose flag is used to skip over this part of the item dispose. | |
1920 */ | |
1921 inDispose = true; | |
1922 | |
1923 if (showMenu !is null && !showMenu.isDisposed()) { | |
1924 showMenu.dispose(); | |
1925 showMenu = null; | |
1926 } | |
1927 int length = items.length; | |
1928 for (int i = 0; i < length; i++) { | |
1929 if (items[i] !is null) { | |
1930 items[i].dispose(); | |
1931 } | |
1932 } | |
1933 | |
1934 selectionGradientColors = null; | |
1935 selectionGradientPercents = null; | |
1936 selectionBgImage = null; | |
1937 | |
1938 selectionBackground = null; | |
1939 selectionForeground = null; | |
1940 disposeSelectionHighlightGradientColors(); | |
1941 } | |
1942 void onDragDetect(Event event) { | |
1943 bool consume = false; | |
1944 if (chevronRect.contains(event.x, event.y) || | |
1945 minRect.contains(event.x, event.y) || | |
1946 maxRect.contains(event.x, event.y)){ | |
1947 consume = true; | |
1948 } else { | |
1949 for (int i = 0; i < items.length; i++) { | |
1950 if (items[i].closeRect.contains(event.x, event.y)) { | |
1951 consume = true; | |
1952 break; | |
1953 } | |
1954 } | |
1955 } | |
1956 if (consume) { | |
1957 event.type = DWT.None; | |
1958 } | |
1959 } | |
1960 void onFocus(Event event) { | |
1961 checkWidget(); | |
1962 if (selectedIndex >= 0) { | |
1963 redraw(); | |
1964 } else { | |
1965 setSelection(0, true); | |
1966 } | |
1967 } | |
1968 bool onMnemonic (Event event) { | |
1969 auto key = event.character; | |
1970 for (int i = 0; i < items.length; i++) { | |
1971 if (items[i] !is null) { | |
1972 auto mnemonic = _findMnemonic (items[i].getText ()); | |
1973 if (mnemonic !is '\0') { | |
1974 if ( CharacterToLower(key) is mnemonic) { | |
1975 setSelection(i, true); | |
1976 return true; | |
1977 } | |
1978 } | |
1979 } | |
1980 } | |
1981 return false; | |
1982 } | |
1983 void onMouseDoubleClick(Event event) { | |
1984 if (event.button !is 1 || | |
1985 (event.stateMask & DWT.BUTTON2) !is 0 || | |
1986 (event.stateMask & DWT.BUTTON3) !is 0) return; | |
1987 Event e = new Event(); | |
1988 e.item = getItem(new Point(event.x, event.y)); | |
1989 if (e.item !is null) { | |
1990 notifyListeners(DWT.DefaultSelection, e); | |
1991 } | |
1992 } | |
1993 void onMouse(Event event) { | |
1994 int x = event.x, y = event.y; | |
1995 switch (event.type) { | |
1996 case DWT.MouseEnter: { | |
1997 setToolTipText(null); | |
1998 break; | |
1999 } | |
2000 case DWT.MouseExit: { | |
2001 if (minImageState !is NORMAL) { | |
2002 minImageState = NORMAL; | |
2003 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
2004 } | |
2005 if (maxImageState !is NORMAL) { | |
2006 maxImageState = NORMAL; | |
2007 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
2008 } | |
2009 if (chevronImageState !is NORMAL) { | |
2010 chevronImageState = NORMAL; | |
2011 redraw(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, false); | |
2012 } | |
2013 for (int i=0; i<items.length; i++) { | |
2014 CTabItem item = items[i]; | |
2015 if (i !is selectedIndex && item.closeImageState !is NONE) { | |
2016 item.closeImageState = NONE; | |
2017 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
2018 } | |
2019 if (i is selectedIndex && item.closeImageState !is NORMAL) { | |
2020 item.closeImageState = NORMAL; | |
2021 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
2022 } | |
2023 } | |
2024 break; | |
2025 } | |
2026 case DWT.MouseDown: { | |
2027 if (minRect.contains(x, y)) { | |
2028 if (event.button !is 1) return; | |
2029 minImageState = SELECTED; | |
2030 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
2031 update(); | |
2032 return; | |
2033 } | |
2034 if (maxRect.contains(x, y)) { | |
2035 if (event.button !is 1) return; | |
2036 maxImageState = SELECTED; | |
2037 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
2038 update(); | |
2039 return; | |
2040 } | |
2041 if (chevronRect.contains(x, y)) { | |
2042 if (event.button !is 1) return; | |
2043 if (chevronImageState !is HOT) { | |
2044 chevronImageState = HOT; | |
2045 } else { | |
2046 chevronImageState = SELECTED; | |
2047 } | |
2048 redraw(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, false); | |
2049 update(); | |
2050 return; | |
2051 } | |
2052 CTabItem item = null; | |
2053 if (single) { | |
2054 if (selectedIndex !is -1) { | |
2055 Rectangle bounds = items[selectedIndex].getBounds(); | |
2056 if (bounds.contains(x, y)){ | |
2057 item = items[selectedIndex]; | |
2058 } | |
2059 } | |
2060 } else { | |
2061 for (int i=0; i<items.length; i++) { | |
2062 Rectangle bounds = items[i].getBounds(); | |
2063 if (bounds.contains(x, y)){ | |
2064 item = items[i]; | |
2065 } | |
2066 } | |
2067 } | |
2068 if (item !is null) { | |
2069 if (item.closeRect.contains(x,y)){ | |
2070 if (event.button !is 1) return; | |
2071 item.closeImageState = SELECTED; | |
2072 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
2073 update(); | |
2074 return; | |
2075 } | |
2076 int index = indexOf(item); | |
2077 if (item.showing){ | |
2078 setSelection(index, true); | |
2079 } | |
2080 return; | |
2081 } | |
2082 break; | |
2083 } | |
2084 case DWT.MouseMove: { | |
2085 _setToolTipText(event.x, event.y); | |
2086 bool close = false, minimize = false, maximize = false, chevron = false; | |
2087 if (minRect.contains(x, y)) { | |
2088 minimize = true; | |
2089 if (minImageState !is SELECTED && minImageState !is HOT) { | |
2090 minImageState = HOT; | |
2091 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
2092 } | |
2093 } | |
2094 if (maxRect.contains(x, y)) { | |
2095 maximize = true; | |
2096 if (maxImageState !is SELECTED && maxImageState !is HOT) { | |
2097 maxImageState = HOT; | |
2098 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
2099 } | |
2100 } | |
2101 if (chevronRect.contains(x, y)) { | |
2102 chevron = true; | |
2103 if (chevronImageState !is SELECTED && chevronImageState !is HOT) { | |
2104 chevronImageState = HOT; | |
2105 redraw(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, false); | |
2106 } | |
2107 } | |
2108 if (minImageState !is NORMAL && !minimize) { | |
2109 minImageState = NORMAL; | |
2110 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
2111 } | |
2112 if (maxImageState !is NORMAL && !maximize) { | |
2113 maxImageState = NORMAL; | |
2114 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
2115 } | |
2116 if (chevronImageState !is NORMAL && !chevron) { | |
2117 chevronImageState = NORMAL; | |
2118 redraw(chevronRect.x, chevronRect.y, chevronRect.width, chevronRect.height, false); | |
2119 } | |
2120 for (int i=0; i<items.length; i++) { | |
2121 CTabItem item = items[i]; | |
2122 close = false; | |
2123 if (item.getBounds().contains(x, y)) { | |
2124 close = true; | |
2125 if (item.closeRect.contains(x, y)) { | |
2126 if (item.closeImageState !is SELECTED && item.closeImageState !is HOT) { | |
2127 item.closeImageState = HOT; | |
2128 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
2129 } | |
2130 } else { | |
2131 if (item.closeImageState !is NORMAL) { | |
2132 item.closeImageState = NORMAL; | |
2133 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
2134 } | |
2135 } | |
2136 } | |
2137 if (i !is selectedIndex && item.closeImageState !is NONE && !close) { | |
2138 item.closeImageState = NONE; | |
2139 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
2140 } | |
2141 if (i is selectedIndex && item.closeImageState !is NORMAL && !close) { | |
2142 item.closeImageState = NORMAL; | |
2143 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
2144 } | |
2145 } | |
2146 break; | |
2147 } | |
2148 case DWT.MouseUp: { | |
2149 if (event.button !is 1) return; | |
2150 if (chevronRect.contains(x, y)) { | |
2151 bool selected = chevronImageState is SELECTED; | |
2152 if (!selected) return; | |
2153 CTabFolderEvent e = new CTabFolderEvent(this); | |
2154 e.widget = this; | |
2155 e.time = event.time; | |
2156 e.x = chevronRect.x; | |
2157 e.y = chevronRect.y; | |
2158 e.width = chevronRect.width; | |
2159 e.height = chevronRect.height; | |
2160 e.doit = true; | |
2161 for (int i = 0; i < folderListeners.length; i++) { | |
2162 folderListeners[i].showList(e); | |
2163 } | |
2164 if (e.doit && !isDisposed()) { | |
2165 showList(chevronRect); | |
2166 } | |
2167 return; | |
2168 } | |
2169 if (minRect.contains(x, y)) { | |
2170 bool selected = minImageState is SELECTED; | |
2171 minImageState = HOT; | |
2172 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
2173 if (!selected) return; | |
2174 CTabFolderEvent e = new CTabFolderEvent(this); | |
2175 e.widget = this; | |
2176 e.time = event.time; | |
2177 for (int i = 0; i < folderListeners.length; i++) { | |
2178 if (minimized) { | |
2179 folderListeners[i].restore(e); | |
2180 } else { | |
2181 folderListeners[i].minimize(e); | |
2182 } | |
2183 } | |
2184 return; | |
2185 } | |
2186 if (maxRect.contains(x, y)) { | |
2187 bool selected = maxImageState is SELECTED; | |
2188 maxImageState = HOT; | |
2189 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
2190 if (!selected) return; | |
2191 CTabFolderEvent e = new CTabFolderEvent(this); | |
2192 e.widget = this; | |
2193 e.time = event.time; | |
2194 for (int i = 0; i < folderListeners.length; i++) { | |
2195 if (maximized) { | |
2196 folderListeners[i].restore(e); | |
2197 } else { | |
2198 folderListeners[i].maximize(e); | |
2199 } | |
2200 } | |
2201 return; | |
2202 } | |
2203 CTabItem item = null; | |
2204 if (single) { | |
2205 if (selectedIndex !is -1) { | |
2206 Rectangle bounds = items[selectedIndex].getBounds(); | |
2207 if (bounds.contains(x, y)){ | |
2208 item = items[selectedIndex]; | |
2209 } | |
2210 } | |
2211 } else { | |
2212 for (int i=0; i<items.length; i++) { | |
2213 Rectangle bounds = items[i].getBounds(); | |
2214 if (bounds.contains(x, y)){ | |
2215 item = items[i]; | |
2216 } | |
2217 } | |
2218 } | |
2219 if (item !is null) { | |
2220 if (item.closeRect.contains(x,y)) { | |
2221 bool selected = item.closeImageState is SELECTED; | |
2222 item.closeImageState = HOT; | |
2223 redraw(item.closeRect.x, item.closeRect.y, item.closeRect.width, item.closeRect.height, false); | |
2224 if (!selected) return; | |
2225 CTabFolderEvent e = new CTabFolderEvent(this); | |
2226 e.widget = this; | |
2227 e.time = event.time; | |
2228 e.item = item; | |
2229 e.doit = true; | |
2230 for (int j = 0; j < folderListeners.length; j++) { | |
2231 CTabFolder2Listener listener = folderListeners[j]; | |
2232 listener.close(e); | |
2233 } | |
2234 for (int j = 0; j < tabListeners.length; j++) { | |
2235 CTabFolderListener listener = tabListeners[j]; | |
2236 listener.itemClosed(e); | |
2237 } | |
213 | 2238 if (e.doit) item.dispose(); |
2239 if (!isDisposed() && item.isDisposed()) { | |
155 | 2240 Display display = getDisplay(); |
2241 Point pt = display.getCursorLocation(); | |
2242 pt = display.map(null, this, pt.x, pt.y); | |
2243 CTabItem nextItem = getItem(pt); | |
2244 if (nextItem !is null) { | |
2245 if (nextItem.closeRect.contains(pt)) { | |
2246 if (nextItem.closeImageState !is SELECTED && nextItem.closeImageState !is HOT) { | |
2247 nextItem.closeImageState = HOT; | |
2248 redraw(nextItem.closeRect.x, nextItem.closeRect.y, nextItem.closeRect.width, nextItem.closeRect.height, false); | |
2249 } | |
2250 } else { | |
2251 if (nextItem.closeImageState !is NORMAL) { | |
2252 nextItem.closeImageState = NORMAL; | |
2253 redraw(nextItem.closeRect.x, nextItem.closeRect.y, nextItem.closeRect.width, nextItem.closeRect.height, false); | |
2254 } | |
2255 } | |
2256 } | |
2257 } | |
2258 return; | |
2259 } | |
2260 } | |
2261 default: | |
2262 } | |
2263 } | |
2264 } | |
2265 bool onPageTraversal(Event event) { | |
2266 int count = items.length; | |
2267 if (count is 0) return false; | |
2268 int index = selectedIndex; | |
2269 if (index is -1) { | |
2270 index = 0; | |
2271 } else { | |
2272 int offset = (event.detail is DWT.TRAVERSE_PAGE_NEXT) ? 1 : -1; | |
2273 if (!mru) { | |
2274 index = (selectedIndex + offset + count) % count; | |
2275 } else { | |
2276 int[] visible = new int[items.length]; | |
2277 int idx = 0; | |
2278 int current = -1; | |
2279 for (int i = 0; i < items.length; i++) { | |
2280 if (items[i].showing) { | |
2281 if (i is selectedIndex) current = idx; | |
2282 visible [idx++] = i; | |
2283 } | |
2284 } | |
2285 if (current + offset >= 0 && current + offset < idx){ | |
2286 index = visible [current + offset]; | |
2287 } else { | |
2288 if (showChevron) { | |
2289 CTabFolderEvent e = new CTabFolderEvent(this); | |
2290 e.widget = this; | |
2291 e.time = event.time; | |
2292 e.x = chevronRect.x; | |
2293 e.y = chevronRect.y; | |
2294 e.width = chevronRect.width; | |
2295 e.height = chevronRect.height; | |
2296 e.doit = true; | |
2297 for (int i = 0; i < folderListeners.length; i++) { | |
2298 folderListeners[i].showList(e); | |
2299 } | |
2300 if (e.doit && !isDisposed()) { | |
2301 showList(chevronRect); | |
2302 } | |
2303 } | |
2304 return true; | |
2305 } | |
2306 } | |
2307 } | |
2308 setSelection (index, true); | |
2309 return true; | |
2310 } | |
2311 void onPaint(Event event) { | |
2312 if (inDispose) return; | |
2313 Font font = getFont(); | |
2314 if (oldFont is null || oldFont!=font) { | |
2315 // handle case where default font changes | |
2316 oldFont = font; | |
2317 if (!updateTabHeight(false)) { | |
2318 updateItems(); | |
2319 redraw(); | |
2320 return; | |
2321 } | |
2322 } | |
2323 | |
2324 GC gc = event.gc; | |
2325 Font gcFont = gc.getFont(); | |
2326 Color gcBackground = gc.getBackground(); | |
2327 Color gcForeground = gc.getForeground(); | |
2328 | |
2329 // Useful for debugging paint problems | |
2330 //{ | |
2331 //Point size = getSize(); | |
2332 //gc.setBackground(getDisplay().getSystemColor(DWT.COLOR_GREEN)); | |
2333 //gc.fillRectangle(-10, -10, size.x + 20, size.y+20); | |
2334 //} | |
2335 | |
2336 drawBody(event); | |
2337 | |
2338 gc.setFont(gcFont); | |
2339 gc.setForeground(gcForeground); | |
2340 gc.setBackground(gcBackground); | |
2341 | |
2342 drawTabArea(event); | |
2343 | |
2344 gc.setFont(gcFont); | |
2345 gc.setForeground(gcForeground); | |
2346 gc.setBackground(gcBackground); | |
2347 } | |
2348 | |
2349 void onResize() { | |
2350 if (updateItems()) redrawTabs(); | |
2351 | |
2352 Point size = getSize(); | |
2353 if (oldSize is null) { | |
2354 redraw(); | |
2355 } else { | |
2356 if (onBottom && size.y !is oldSize.y) { | |
2357 redraw(); | |
2358 } else { | |
2359 int x1 = Math.min(size.x, oldSize.x); | |
2360 if (size.x !is oldSize.x) x1 -= borderRight + highlight_margin + 2; | |
2361 if (!simple) x1 -= 5; // rounded top right corner | |
2362 int y1 = Math.min(size.y, oldSize.y); | |
2363 if (size.y !is oldSize.y) y1 -= borderBottom + highlight_margin; | |
2364 int x2 = Math.max(size.x, oldSize.x); | |
2365 int y2 = Math.max(size.y, oldSize.y); | |
2366 redraw(0, y1, x2, y2 - y1, false); | |
2367 redraw(x1, 0, x2 - x1, y2, false); | |
2368 } | |
2369 } | |
2370 oldSize = size; | |
2371 } | |
2372 void onTraverse (Event event) { | |
2373 switch (event.detail) { | |
2374 case DWT.TRAVERSE_ESCAPE: | |
2375 case DWT.TRAVERSE_RETURN: | |
2376 case DWT.TRAVERSE_TAB_NEXT: | |
2377 case DWT.TRAVERSE_TAB_PREVIOUS: | |
2378 Control focusControl = getDisplay().getFocusControl(); | |
2379 if (focusControl is this) event.doit = true; | |
2380 break; | |
2381 case DWT.TRAVERSE_MNEMONIC: | |
2382 event.doit = onMnemonic(event); | |
2383 if (event.doit) event.detail = DWT.TRAVERSE_NONE; | |
2384 break; | |
2385 case DWT.TRAVERSE_PAGE_NEXT: | |
2386 case DWT.TRAVERSE_PAGE_PREVIOUS: | |
2387 event.doit = onPageTraversal(event); | |
2388 event.detail = DWT.TRAVERSE_NONE; | |
2389 break; | |
2390 default: | |
2391 } | |
2392 } | |
2393 void redrawTabs() { | |
2394 Point size = getSize(); | |
2395 if (onBottom) { | |
2396 redraw(0, size.y - borderBottom - tabHeight - highlight_header - 1, size.x, borderBottom + tabHeight + highlight_header + 1, false); | |
2397 } else { | |
2398 redraw(0, 0, size.x, borderTop + tabHeight + highlight_header + 1, false); | |
2399 } | |
2400 } | |
2401 /** | |
2402 * Removes the listener. | |
2403 * | |
246 | 2404 * @param listener the listener which should no longer be notified |
155 | 2405 * |
2406 * @exception IllegalArgumentException <ul> | |
2407 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
2408 * </ul> | |
2409 * | |
2410 * @exception DWTException <ul> | |
2411 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
2412 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
2413 * </ul> | |
2414 * | |
2415 * @see #addCTabFolder2Listener(CTabFolder2Listener) | |
2416 * | |
2417 * @since 3.0 | |
2418 */ | |
2419 public void removeCTabFolder2Listener(CTabFolder2Listener listener) { | |
2420 checkWidget(); | |
2421 if (listener is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); | |
2422 if (folderListeners.length is 0) return; | |
2423 int index = -1; | |
2424 for (int i = 0; i < folderListeners.length; i++) { | |
2425 if (listener is folderListeners[i]){ | |
2426 index = i; | |
2427 break; | |
2428 } | |
2429 } | |
2430 if (index is -1) return; | |
2431 if (folderListeners.length is 1) { | |
2432 folderListeners = new CTabFolder2Listener[0]; | |
2433 return; | |
2434 } | |
2435 CTabFolder2Listener[] newTabListeners = new CTabFolder2Listener[folderListeners.length - 1]; | |
2436 SimpleType!(CTabFolder2Listener).arraycopy(folderListeners, 0, newTabListeners, 0, index); | |
2437 SimpleType!(CTabFolder2Listener).arraycopy(folderListeners, index + 1, newTabListeners, index, folderListeners.length - index - 1); | |
2438 folderListeners = newTabListeners; | |
2439 } | |
2440 /** | |
2441 * Removes the listener. | |
2442 * | |
246 | 2443 * @param listener the listener which should no longer be notified |
155 | 2444 * |
2445 * @exception IllegalArgumentException <ul> | |
2446 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
2447 * </ul> | |
2448 * | |
2449 * @exception DWTException <ul> | |
2450 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
2451 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
2452 * </ul> | |
2453 * | |
2454 * @deprecated see removeCTabFolderCloseListener(CTabFolderListener) | |
2455 */ | |
2456 public void removeCTabFolderListener(CTabFolderListener listener) { | |
2457 checkWidget(); | |
2458 if (listener is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); | |
2459 if (tabListeners.length is 0) return; | |
2460 int index = -1; | |
2461 for (int i = 0; i < tabListeners.length; i++) { | |
2462 if (listener is tabListeners[i]){ | |
2463 index = i; | |
2464 break; | |
2465 } | |
2466 } | |
2467 if (index is -1) return; | |
2468 if (tabListeners.length is 1) { | |
2469 tabListeners = new CTabFolderListener[0]; | |
2470 return; | |
2471 } | |
2472 CTabFolderListener[] newTabListeners = new CTabFolderListener[tabListeners.length - 1]; | |
2473 SimpleType!(CTabFolderListener).arraycopy(tabListeners, 0, newTabListeners, 0, index); | |
2474 SimpleType!(CTabFolderListener).arraycopy(tabListeners, index + 1, newTabListeners, index, tabListeners.length - index - 1); | |
2475 tabListeners = newTabListeners; | |
2476 } | |
2477 /** | |
2478 * Removes the listener from the collection of listeners who will | |
2479 * be notified when the user changes the receiver's selection. | |
2480 * | |
2481 * @param listener the listener which should no longer be notified | |
2482 * | |
2483 * @exception IllegalArgumentException <ul> | |
2484 * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> | |
2485 * </ul> | |
2486 * @exception DWTException <ul> | |
2487 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
2488 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
2489 * </ul> | |
2490 * | |
2491 * @see SelectionListener | |
2492 * @see #addSelectionListener | |
2493 */ | |
2494 public void removeSelectionListener(SelectionListener listener) { | |
2495 checkWidget(); | |
2496 if (listener is null) { | |
2497 DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
2498 } | |
2499 removeListener(DWT.Selection, listener); | |
2500 removeListener(DWT.DefaultSelection, listener); | |
2501 } | |
2502 public override void setBackground (Color color) { | |
2503 super.setBackground(color); | |
2504 redraw(); | |
2505 } | |
2506 /** | |
2507 * Specify a gradient of colours to be drawn in the background of the unselected tabs. | |
2508 * For example to draw a gradient that varies from dark blue to blue and then to | |
2509 * white, use the following call to setBackground: | |
2510 * <pre> | |
2511 * cfolder.setBackground(new Color[]{display.getSystemColor(DWT.COLOR_DARK_BLUE), | |
2512 * display.getSystemColor(DWT.COLOR_BLUE), | |
2513 * display.getSystemColor(DWT.COLOR_WHITE), | |
2514 * display.getSystemColor(DWT.COLOR_WHITE)}, | |
2515 * new int[] {25, 50, 100}); | |
2516 * </pre> | |
2517 * | |
2518 * @param colors an array of Color that specifies the colors to appear in the gradient | |
2519 * in order of appearance left to right. The value <code>null</code> clears the | |
2520 * background gradient. The value <code>null</code> can be used inside the array of | |
2521 * Color to specify the background color. | |
2522 * @param percents an array of integers between 0 and 100 specifying the percent of the width | |
2523 * of the widget at which the color should change. The size of the percents array must be one | |
2524 * less than the size of the colors array. | |
2525 * | |
2526 * @exception DWTException <ul> | |
2527 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
2528 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
2529 * </ul> | |
2530 * | |
2531 * @since 3.0 | |
2532 */ | |
2533 void setBackground(Color[] colors, int[] percents) { | |
2534 setBackground(colors, percents, false); | |
2535 } | |
2536 /** | |
2537 * Specify a gradient of colours to be drawn in the background of the unselected tab. | |
2538 * For example to draw a vertical gradient that varies from dark blue to blue and then to | |
2539 * white, use the following call to setBackground: | |
2540 * <pre> | |
2541 * cfolder.setBackground(new Color[]{display.getSystemColor(DWT.COLOR_DARK_BLUE), | |
2542 * display.getSystemColor(DWT.COLOR_BLUE), | |
2543 * display.getSystemColor(DWT.COLOR_WHITE), | |
2544 * display.getSystemColor(DWT.COLOR_WHITE)}, | |
2545 * new int[] {25, 50, 100}, true); | |
2546 * </pre> | |
2547 * | |
2548 * @param colors an array of Color that specifies the colors to appear in the gradient | |
2549 * in order of appearance left to right. The value <code>null</code> clears the | |
2550 * background gradient. The value <code>null</code> can be used inside the array of | |
2551 * Color to specify the background color. | |
2552 * @param percents an array of integers between 0 and 100 specifying the percent of the width | |
2553 * of the widget at which the color should change. The size of the percents array must be one | |
2554 * less than the size of the colors array. | |
2555 * | |
2556 * @param vertical indicate the direction of the gradient. True is vertical and false is horizontal. | |
2557 * | |
2558 * @exception DWTException <ul> | |
2559 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
2560 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
2561 * </ul> | |
2562 * | |
2563 * @since 3.0 | |
2564 */ | |
2565 void setBackground(Color[] colors, int[] percents, bool vertical) { | |
2566 checkWidget(); | |
2567 if (colors !is null) { | |
2568 if (percents is null || percents.length !is colors.length - 1) { | |
2569 DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
2570 } | |
2571 for (int i = 0; i < percents.length; i++) { | |
2572 if (percents[i] < 0 || percents[i] > 100) { | |
2573 DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
2574 } | |
2575 if (i > 0 && percents[i] < percents[i-1]) { | |
2576 DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
2577 } | |
2578 } | |
2579 if (getDisplay().getDepth() < 15) { | |
2580 // Don't use gradients on low color displays | |
2581 colors = [colors[colors.length - 1]]; | |
2582 percents = null; | |
2583 } | |
2584 } | |
2585 | |
2586 // Are these settings the same as before? | |
2587 if (bgImage is null) { | |
2588 if ((gradientColors !is null) && (colors !is null) && | |
2589 (gradientColors.length is colors.length)) { | |
2590 bool same = false; | |
2591 for (int i = 0; i < gradientColors.length; i++) { | |
2592 if (gradientColors[i] is null) { | |
2593 same = colors[i] is null; | |
2594 } else { | |
2595 same = cast(bool)(gradientColors[i]==colors[i]); | |
2596 } | |
2597 if (!same) break; | |
2598 } | |
2599 if (same) { | |
2600 for (int i = 0; i < gradientPercents.length; i++) { | |
2601 same = gradientPercents[i] is percents[i]; | |
2602 if (!same) break; | |
2603 } | |
2604 } | |
2605 if (same && this.gradientVertical is vertical) return; | |
2606 } | |
2607 } else { | |
2608 bgImage = null; | |
2609 } | |
2610 // Store the new settings | |
2611 if (colors is null) { | |
2612 gradientColors = null; | |
2613 gradientPercents = null; | |
2614 gradientVertical = false; | |
2615 setBackground(cast(Color)null); | |
2616 } else { | |
2617 gradientColors = new Color[colors.length]; | |
2618 for (int i = 0; i < colors.length; ++i) { | |
2619 gradientColors[i] = colors[i]; | |
2620 } | |
2621 gradientPercents = new int[percents.length]; | |
2622 for (int i = 0; i < percents.length; ++i) { | |
2623 gradientPercents[i] = percents[i]; | |
2624 } | |
2625 gradientVertical = vertical; | |
2626 setBackground(gradientColors[gradientColors.length-1]); | |
2627 } | |
2628 | |
2629 // Refresh with the new settings | |
2630 redraw(); | |
2631 } | |
2632 | |
2633 /** | |
2634 * Set the image to be drawn in the background of the unselected tab. Image | |
2635 * is stretched or compressed to cover entire unselected tab area. | |
2636 * | |
2637 * @param image the image to be drawn in the background | |
2638 * | |
2639 * @exception DWTException <ul> | |
2640 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
2641 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
2642 * </ul> | |
2643 * | |
2644 * @since 3.0 | |
2645 */ | |
2646 void setBackground(Image image) { | |
2647 checkWidget(); | |
2648 if (image is bgImage) return; | |
2649 if (image !is null) { | |
2650 gradientColors = null; | |
2651 gradientPercents = null; | |
2652 } | |
2653 bgImage = image; | |
2654 redraw(); | |
2655 } | |
2656 /** | |
2657 * Toggle the visibility of the border | |
2658 * | |
2659 * @param show true if the border should be displayed | |
2660 * | |
2661 * @exception DWTException <ul> | |
2662 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
2663 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
2664 * </ul> | |
2665 */ | |
2666 public void setBorderVisible(bool show) { | |
2667 checkWidget(); | |
2668 if ((borderLeft is 1) is show) return; | |
2669 borderLeft = borderRight = show ? 1 : 0; | |
2670 borderTop = onBottom ? borderLeft : 0; | |
2671 borderBottom = onBottom ? 0 : borderLeft; | |
2672 Rectangle rectBefore = getClientArea(); | |
2673 updateItems(); | |
2674 Rectangle rectAfter = getClientArea(); | |
2675 if (rectBefore!=rectAfter) { | |
2676 notifyListeners(DWT.Resize, new Event()); | |
2677 } | |
2678 redraw(); | |
2679 } | |
2680 void setButtonBounds() { | |
2681 Point size = getSize(); | |
2682 int oldX, oldY, oldWidth, oldHeight; | |
2683 // max button | |
2684 oldX = maxRect.x; | |
2685 oldY = maxRect.y; | |
2686 oldWidth = maxRect.width; | |
2687 oldHeight = maxRect.height; | |
2688 maxRect.x = maxRect.y = maxRect.width = maxRect.height = 0; | |
2689 if (showMax) { | |
2690 maxRect.x = size.x - borderRight - BUTTON_SIZE - 3; | |
2691 if (borderRight > 0) maxRect.x += 1; | |
2692 maxRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - BUTTON_SIZE)/2: borderTop + (tabHeight - BUTTON_SIZE)/2; | |
2693 maxRect.width = BUTTON_SIZE; | |
2694 maxRect.height = BUTTON_SIZE; | |
2695 } | |
2696 if (oldX !is maxRect.x || oldWidth !is maxRect.width || | |
2697 oldY !is maxRect.y || oldHeight !is maxRect.height) { | |
2698 int left = Math.min(oldX, maxRect.x); | |
2699 int right = Math.max(oldX + oldWidth, maxRect.x + maxRect.width); | |
2700 int top = onBottom ? size.y - borderBottom - tabHeight: borderTop + 1; | |
2701 redraw(left, top, right - left, tabHeight, false); | |
2702 } | |
2703 | |
2704 // min button | |
2705 oldX = minRect.x; | |
2706 oldY = minRect.y; | |
2707 oldWidth = minRect.width; | |
2708 oldHeight = minRect.height; | |
2709 minRect.x = minRect.y = minRect.width = minRect.height = 0; | |
2710 if (showMin) { | |
2711 minRect.x = size.x - borderRight - maxRect.width - BUTTON_SIZE - 3; | |
2712 if (borderRight > 0) minRect.x += 1; | |
2713 minRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - BUTTON_SIZE)/2: borderTop + (tabHeight - BUTTON_SIZE)/2; | |
2714 minRect.width = BUTTON_SIZE; | |
2715 minRect.height = BUTTON_SIZE; | |
2716 } | |
2717 if (oldX !is minRect.x || oldWidth !is minRect.width || | |
2718 oldY !is minRect.y || oldHeight !is minRect.height) { | |
2719 int left = Math.min(oldX, minRect.x); | |
2720 int right = Math.max(oldX + oldWidth, minRect.x + minRect.width); | |
2721 int top = onBottom ? size.y - borderBottom - tabHeight: borderTop + 1; | |
2722 redraw(left, top, right - left, tabHeight, false); | |
2723 } | |
2724 | |
2725 // top right control | |
2726 oldX = topRightRect.x; | |
2727 oldY = topRightRect.y; | |
2728 oldWidth = topRightRect.width; | |
2729 oldHeight = topRightRect.height; | |
2730 topRightRect.x = topRightRect.y = topRightRect.width = topRightRect.height = 0; | |
2731 if (topRight !is null) { | |
2732 switch (topRightAlignment) { | |
2733 case DWT.FILL: { | |
2734 int rightEdge = size.x - borderRight - 3 - maxRect.width - minRect.width; | |
2735 if (!simple && borderRight > 0 && !showMax && !showMin) rightEdge -= 2; | |
2736 if (single) { | |
2737 if (items.length is 0 || selectedIndex is -1) { | |
2738 topRightRect.x = borderLeft + 3; | |
2739 topRightRect.width = rightEdge - topRightRect.x; | |
2740 } else { | |
2741 // fill size is 0 if item compressed | |
2742 CTabItem item = items[selectedIndex]; | |
2743 if (item.x + item.width + 7 + 3*BUTTON_SIZE/2 >= rightEdge) break; | |
2744 topRightRect.x = item.x + item.width + 7 + 3*BUTTON_SIZE/2; | |
2745 topRightRect.width = rightEdge - topRightRect.x; | |
2746 } | |
2747 } else { | |
2748 // fill size is 0 if chevron showing | |
2749 if (showChevron) break; | |
2750 if (items.length is 0) { | |
2751 topRightRect.x = borderLeft + 3; | |
2752 } else { | |
2753 CTabItem item = items[items.length - 1]; | |
2754 topRightRect.x = item.x + item.width; | |
2755 if (!simple && items.length - 1 is selectedIndex) topRightRect.x += curveWidth - curveIndent; | |
2756 } | |
2757 topRightRect.width = Math.max(0, rightEdge - topRightRect.x); | |
2758 } | |
2759 topRightRect.y = onBottom ? size.y - borderBottom - tabHeight: borderTop + 1; | |
2760 topRightRect.height = tabHeight - 1; | |
2761 break; | |
2762 } | |
2763 case DWT.RIGHT: { | |
2764 Point topRightSize = topRight.computeSize(DWT.DEFAULT, tabHeight, false); | |
2765 int rightEdge = size.x - borderRight - 3 - maxRect.width - minRect.width; | |
2766 if (!simple && borderRight > 0 && !showMax && !showMin) rightEdge -= 2; | |
2767 topRightRect.x = rightEdge - topRightSize.x; | |
2768 topRightRect.width = topRightSize.x; | |
2769 topRightRect.y = onBottom ? size.y - borderBottom - tabHeight: borderTop + 1; | |
2770 topRightRect.height = tabHeight - 1; | |
2771 } | |
2772 default: | |
2773 } | |
2774 topRight.setBounds(topRightRect); | |
2775 } | |
2776 if (oldX !is topRightRect.x || oldWidth !is topRightRect.width || | |
2777 oldY !is topRightRect.y || oldHeight !is topRightRect.height) { | |
2778 int left = Math.min(oldX, topRightRect.x); | |
2779 int right = Math.max(oldX + oldWidth, topRightRect.x + topRightRect.width); | |
2780 int top = onBottom ? size.y - borderBottom - tabHeight : borderTop + 1; | |
2781 redraw(left, top, right - left, tabHeight, false); | |
2782 } | |
2783 | |
2784 // chevron button | |
2785 oldX = chevronRect.x; | |
2786 oldY = chevronRect.y; | |
2787 oldWidth = chevronRect.width; | |
2788 oldHeight = chevronRect.height; | |
2789 chevronRect.x = chevronRect.y = chevronRect.height = chevronRect.width = 0; | |
2790 if (single) { | |
2791 if (selectedIndex is -1 || items.length > 1) { | |
2792 chevronRect.width = 3*BUTTON_SIZE/2; | |
2793 chevronRect.height = BUTTON_SIZE; | |
2794 chevronRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - chevronRect.height)/2 : borderTop + (tabHeight - chevronRect.height)/2; | |
2795 if (selectedIndex is -1) { | |
2796 chevronRect.x = size.x - borderRight - 3 - minRect.width - maxRect.width - topRightRect.width - chevronRect.width; | |
2797 } else { | |
2798 CTabItem item = items[selectedIndex]; | |
2799 int w = size.x - borderRight - 3 - minRect.width - maxRect.width - chevronRect.width; | |
2800 if (topRightRect.width > 0) w -= topRightRect.width + 3; | |
2801 chevronRect.x = Math.min(item.x + item.width + 3, w); | |
2802 } | |
2803 if (borderRight > 0) chevronRect.x += 1; | |
2804 } | |
2805 } else { | |
2806 if (showChevron) { | |
2807 chevronRect.width = 3*BUTTON_SIZE/2; | |
2808 chevronRect.height = BUTTON_SIZE; | |
2809 int i = 0, lastIndex = -1; | |
2810 while (i < priority.length && items[priority[i]].showing) { | |
2811 lastIndex = Math.max(lastIndex, priority[i++]); | |
2812 } | |
2813 if (lastIndex is -1) lastIndex = firstIndex; | |
2814 CTabItem lastItem = items[lastIndex]; | |
2815 int w = lastItem.x + lastItem.width + 3; | |
2816 if (!simple && lastIndex is selectedIndex) w += curveWidth - 2*curveIndent; | |
2817 chevronRect.x = Math.min(w, getRightItemEdge()); | |
2818 chevronRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - chevronRect.height)/2 : borderTop + (tabHeight - chevronRect.height)/2; | |
2819 } | |
2820 } | |
2821 if (oldX !is chevronRect.x || oldWidth !is chevronRect.width || | |
2822 oldY !is chevronRect.y || oldHeight !is chevronRect.height) { | |
2823 int left = Math.min(oldX, chevronRect.x); | |
2824 int right = Math.max(oldX + oldWidth, chevronRect.x + chevronRect.width); | |
2825 int top = onBottom ? size.y - borderBottom - tabHeight: borderTop + 1; | |
2826 redraw(left, top, right - left, tabHeight, false); | |
2827 } | |
2828 } | |
2829 public override void setFont(Font font) { | |
2830 checkWidget(); | |
2831 if (font !is null && font==getFont()) return; | |
2832 super.setFont(font); | |
2833 oldFont = getFont(); | |
2834 if (!updateTabHeight(false)) { | |
2835 updateItems(); | |
2836 redraw(); | |
2837 } | |
2838 } | |
2839 public override void setForeground (Color color) { | |
2840 super.setForeground(color); | |
2841 redraw(); | |
2842 } | |
2843 /** | |
2844 * Display an insert marker before or after the specified tab item. | |
2845 * | |
2846 * A value of null will clear the mark. | |
2847 * | |
2848 * @param item the item with which the mark is associated or null | |
2849 * | |
2850 * @param after true if the mark should be displayed after the specified item | |
2851 * | |
2852 * @exception DWTException <ul> | |
2853 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
2854 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
2855 * </ul> | |
2856 */ | |
2857 public void setInsertMark(CTabItem item, bool after) { | |
2858 checkWidget(); | |
2859 } | |
2860 /** | |
2861 * Display an insert marker before or after the specified tab item. | |
2862 * | |
2863 * A value of -1 will clear the mark. | |
2864 * | |
2865 * @param index the index of the item with which the mark is associated or null | |
2866 * | |
2867 * @param after true if the mark should be displayed after the specified item | |
2868 * | |
2869 * @exception IllegalArgumentException<ul> | |
2870 * </ul> | |
2871 * | |
2872 * @exception DWTException <ul> | |
2873 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
2874 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
2875 * </ul> | |
2876 */ | |
2877 public void setInsertMark(int index, bool after) { | |
2878 checkWidget(); | |
2879 if (index < -1 || index >= getItemCount()) { | |
2880 DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
2881 } | |
2882 } | |
2883 bool setItemLocation() { | |
2884 bool changed = false; | |
2885 if (items.length is 0) return false; | |
2886 Point size = getSize(); | |
2887 int y = onBottom ? Math.max(borderBottom, size.y - borderBottom - tabHeight) : borderTop; | |
2888 if (single) { | |
2889 int defaultX = getDisplay().getBounds().width + 10; // off screen | |
2890 for (int i = 0; i < items.length; i++) { | |
2891 CTabItem item = items[i]; | |
2892 if (i is selectedIndex) { | |
2893 firstIndex = selectedIndex; | |
2894 int oldX = item.x, oldY = item.y; | |
2895 item.x = borderLeft; | |
2896 item.y = y; | |
2897 item.showing = true; | |
2898 if (showClose || item.showClose) { | |
2899 item.closeRect.x = borderLeft + CTabItem.LEFT_MARGIN; | |
2900 item.closeRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - BUTTON_SIZE)/2: borderTop + (tabHeight - BUTTON_SIZE)/2; | |
2901 } | |
2902 if (item.x !is oldX || item.y !is oldY) changed = true; | |
2903 } else { | |
2904 item.x = defaultX; | |
2905 item.showing = false; | |
2906 } | |
2907 } | |
2908 } else { | |
2909 int rightItemEdge = getRightItemEdge(); | |
2910 int maxWidth = rightItemEdge - borderLeft; | |
2911 int width = 0; | |
2912 for (int i = 0; i < priority.length; i++) { | |
2913 CTabItem item = items[priority[i]]; | |
2914 width += item.width; | |
2915 item.showing = i is 0 ? true : item.width > 0 && width <= maxWidth; | |
2916 if (!simple && priority[i] is selectedIndex) width += curveWidth - 2*curveIndent; | |
2917 } | |
2918 int x = 0; | |
2919 int defaultX = getDisplay().getBounds().width + 10; // off screen | |
2920 firstIndex = items.length - 1; | |
2921 for (int i = 0; i < items.length; i++) { | |
2922 CTabItem item = items[i]; | |
2923 if (!item.showing) { | |
2924 if (item.x !is defaultX) changed = true; | |
2925 item.x = defaultX; | |
2926 } else { | |
2927 firstIndex = Math.min(firstIndex, i); | |
2928 if (item.x !is x || item.y !is y) changed = true; | |
2929 item.x = x; | |
2930 item.y = y; | |
2931 if (i is selectedIndex) { | |
2932 int edge = Math.min(item.x + item.width, rightItemEdge); | |
2933 item.closeRect.x = edge - CTabItem.RIGHT_MARGIN - BUTTON_SIZE; | |
2934 } else { | |
2935 item.closeRect.x = item.x + item.width - CTabItem.RIGHT_MARGIN - BUTTON_SIZE; | |
2936 } | |
2937 item.closeRect.y = onBottom ? size.y - borderBottom - tabHeight + (tabHeight - BUTTON_SIZE)/2: borderTop + (tabHeight - BUTTON_SIZE)/2; | |
2938 x = x + item.width; | |
2939 if (!simple && i is selectedIndex) x += curveWidth - 2*curveIndent; | |
2940 } | |
2941 } | |
2942 } | |
2943 return changed; | |
2944 } | |
2945 bool setItemSize() { | |
2946 bool changed = false; | |
2947 if (isDisposed()) return changed; | |
2948 Point size = getSize(); | |
2949 if (size.x <= 0 || size.y <= 0) return changed; | |
2950 xClient = borderLeft + marginWidth + highlight_margin; | |
2951 if (onBottom) { | |
2952 yClient = borderTop + highlight_margin + marginHeight; | |
2953 } else { | |
2954 yClient = borderTop + tabHeight + highlight_header + marginHeight; | |
2955 } | |
2956 showChevron = false; | |
2957 if (single) { | |
2958 showChevron = true; | |
2959 if (selectedIndex !is -1) { | |
2960 CTabItem tab = items[selectedIndex]; | |
2961 GC gc = new GC(this); | |
2962 int width = tab.preferredWidth(gc, true, false); | |
2963 gc.dispose(); | |
2964 width = Math.min(width, getRightItemEdge() - borderLeft); | |
2965 if (tab.height !is tabHeight || tab.width !is width) { | |
2966 changed = true; | |
2967 tab.shortenedText = null; | |
2968 tab.shortenedTextWidth = 0; | |
2969 tab.height = tabHeight; | |
2970 tab.width = width; | |
2971 tab.closeRect.width = tab.closeRect.height = 0; | |
2972 if (showClose || tab.showClose) { | |
2973 tab.closeRect.width = BUTTON_SIZE; | |
2974 tab.closeRect.height = BUTTON_SIZE; | |
2975 } | |
2976 } | |
2977 } | |
2978 return changed; | |
2979 } | |
2980 | |
2981 if (items.length is 0) return changed; | |
2982 | |
2983 int[] widths; | |
2984 GC gc = new GC(this); | |
2985 int tabAreaWidth = size.x - borderLeft - borderRight - 3; | |
2986 if (showMin) tabAreaWidth -= BUTTON_SIZE; | |
2987 if (showMax) tabAreaWidth -= BUTTON_SIZE; | |
2988 if (topRightAlignment is DWT.RIGHT && topRight !is null) { | |
2989 Point rightSize = topRight.computeSize(DWT.DEFAULT, DWT.DEFAULT, false); | |
2990 tabAreaWidth -= rightSize.x + 3; | |
2991 } | |
2992 if (!simple) tabAreaWidth -= curveWidth - 2*curveIndent; | |
2993 tabAreaWidth = Math.max(0, tabAreaWidth); | |
2994 | |
2995 // First, try the minimum tab size at full compression. | |
2996 int minWidth = 0; | |
2997 int[] minWidths = new int[items.length]; | |
2998 for (int i = 0; i < priority.length; i++) { | |
2999 int index = priority[i]; | |
3000 minWidths[index] = items[index].preferredWidth(gc, index is selectedIndex, true); | |
3001 minWidth += minWidths[index]; | |
3002 if (minWidth > tabAreaWidth) break; | |
3003 } | |
3004 if (minWidth > tabAreaWidth) { | |
3005 // full compression required and a chevron | |
3006 showChevron = items.length > 1; | |
3007 if (showChevron) tabAreaWidth -= 3*BUTTON_SIZE/2; | |
3008 widths = minWidths; | |
3009 int index = selectedIndex !is -1 ? selectedIndex : 0; | |
3010 if (tabAreaWidth < widths[index]) { | |
3011 widths[index] = Math.max(0, tabAreaWidth); | |
3012 } | |
3013 } else { | |
3014 int maxWidth = 0; | |
3015 int[] maxWidths = new int[items.length]; | |
3016 for (int i = 0; i < items.length; i++) { | |
3017 maxWidths[i] = items[i].preferredWidth(gc, i is selectedIndex, false); | |
3018 maxWidth += maxWidths[i]; | |
3019 } | |
3020 if (maxWidth <= tabAreaWidth) { | |
3021 // no compression required | |
3022 widths = maxWidths; | |
3023 } else { | |
3024 // determine compression for each item | |
3025 int extra = (tabAreaWidth - minWidth) / items.length; | |
3026 while (true) { | |
3027 int large = 0, totalWidth = 0; | |
3028 for (int i = 0 ; i < items.length; i++) { | |
3029 if (maxWidths[i] > minWidths[i] + extra) { | |
3030 totalWidth += minWidths[i] + extra; | |
3031 large++; | |
3032 } else { | |
3033 totalWidth += maxWidths[i]; | |
3034 } | |
3035 } | |
3036 if (totalWidth >= tabAreaWidth) { | |
3037 extra--; | |
3038 break; | |
3039 } | |
3040 if (large is 0 || tabAreaWidth - totalWidth < large) break; | |
3041 extra++; | |
3042 } | |
3043 widths = new int[items.length]; | |
3044 for (int i = 0; i < items.length; i++) { | |
3045 widths[i] = Math.min(maxWidths[i], minWidths[i] + extra); | |
3046 } | |
3047 } | |
3048 } | |
3049 gc.dispose(); | |
3050 | |
3051 for (int i = 0; i < items.length; i++) { | |
3052 CTabItem tab = items[i]; | |
3053 int width = widths[i]; | |
3054 if (tab.height !is tabHeight || tab.width !is width) { | |
3055 changed = true; | |
3056 tab.shortenedText = null; | |
3057 tab.shortenedTextWidth = 0; | |
3058 tab.height = tabHeight; | |
3059 tab.width = width; | |
3060 tab.closeRect.width = tab.closeRect.height = 0; | |
3061 if (showClose || tab.showClose) { | |
3062 if (i is selectedIndex || showUnselectedClose) { | |
3063 tab.closeRect.width = BUTTON_SIZE; | |
3064 tab.closeRect.height = BUTTON_SIZE; | |
3065 } | |
3066 } | |
3067 } | |
3068 } | |
3069 return changed; | |
3070 } | |
3071 /** | |
3072 * Marks the receiver's maximize button as visible if the argument is <code>true</code>, | |
3073 * and marks it invisible otherwise. | |
3074 * | |
3075 * @param visible the new visibility state | |
3076 * | |
3077 * @exception DWTException <ul> | |
3078 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3079 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3080 * </ul> | |
3081 * | |
3082 * @since 3.0 | |
3083 */ | |
3084 public void setMaximizeVisible(bool visible) { | |
3085 checkWidget(); | |
3086 if (showMax is visible) return; | |
3087 // display maximize button | |
3088 showMax = visible; | |
3089 updateItems(); | |
3090 redraw(); | |
3091 } | |
3092 /** | |
3093 * Sets the layout which is associated with the receiver to be | |
3094 * the argument which may be null. | |
3095 * <p> | |
3096 * Note: No Layout can be set on this Control because it already | |
3097 * manages the size and position of its children. | |
3098 * </p> | |
3099 * | |
3100 * @param layout the receiver's new layout or null | |
3101 * | |
3102 * @exception DWTException <ul> | |
3103 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3104 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3105 * </ul> | |
3106 */ | |
3107 public override void setLayout (Layout layout) { | |
3108 checkWidget(); | |
3109 return; | |
3110 } | |
3111 /** | |
3112 * Sets the maximized state of the receiver. | |
3113 * | |
3114 * @param maximize the new maximized state | |
3115 * | |
3116 * @exception DWTException <ul> | |
3117 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3118 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3119 * </ul> | |
3120 * | |
3121 * @since 3.0 | |
3122 */ | |
3123 public void setMaximized(bool maximize) { | |
3124 checkWidget (); | |
3125 if (this.maximized is maximize) return; | |
3126 if (maximize && this.minimized) setMinimized(false); | |
3127 this.maximized = maximize; | |
3128 redraw(maxRect.x, maxRect.y, maxRect.width, maxRect.height, false); | |
3129 } | |
3130 /** | |
3131 * Marks the receiver's minimize button as visible if the argument is <code>true</code>, | |
3132 * and marks it invisible otherwise. | |
3133 * | |
3134 * @param visible the new visibility state | |
3135 * | |
3136 * @exception DWTException <ul> | |
3137 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3138 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3139 * </ul> | |
3140 * | |
3141 * @since 3.0 | |
3142 */ | |
3143 public void setMinimizeVisible(bool visible) { | |
3144 checkWidget(); | |
3145 if (showMin is visible) return; | |
3146 // display minimize button | |
3147 showMin = visible; | |
3148 updateItems(); | |
3149 redraw(); | |
3150 } | |
3151 /** | |
3152 * Sets the minimized state of the receiver. | |
3153 * | |
3154 * @param minimize the new minimized state | |
3155 * | |
3156 * @exception DWTException <ul> | |
3157 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3158 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3159 * </ul> | |
3160 * | |
3161 * @since 3.0 | |
3162 */ | |
3163 public void setMinimized(bool minimize) { | |
3164 checkWidget (); | |
3165 if (this.minimized is minimize) return; | |
3166 if (minimize && this.maximized) setMaximized(false); | |
3167 this.minimized = minimize; | |
3168 redraw(minRect.x, minRect.y, minRect.width, minRect.height, false); | |
3169 } | |
3170 | |
3171 /** | |
3172 * Sets the minimum number of characters that will | |
3173 * be displayed in a fully compressed tab. | |
3174 * | |
3175 * @param count the minimum number of characters that will be displayed in a fully compressed tab | |
3176 * | |
3177 * @exception DWTException <ul> | |
3178 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3179 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3180 * <li>ERROR_INVALID_RANGE - if the count is less than zero</li> | |
3181 * </ul> | |
3182 * | |
3183 * @since 3.0 | |
3184 */ | |
3185 public void setMinimumCharacters(int count) { | |
3186 checkWidget (); | |
3187 if (count < 0) DWT.error(DWT.ERROR_INVALID_RANGE); | |
3188 if (minChars is count) return; | |
3189 minChars = count; | |
3190 if (updateItems()) redrawTabs(); | |
3191 } | |
3192 | |
3193 /** | |
3194 * When there is not enough horizontal space to show all the tabs, | |
3195 * by default, tabs are shown sequentially from left to right in | |
3196 * order of their index. When the MRU visibility is turned on, | |
3197 * the tabs that are visible will be the tabs most recently selected. | |
3198 * Tabs will still maintain their left to right order based on index | |
3199 * but only the most recently selected tabs are visible. | |
3200 * <p> | |
3201 * For example, consider a CTabFolder that contains "Tab 1", "Tab 2", | |
3202 * "Tab 3" and "Tab 4" (in order by index). The user selects | |
3203 * "Tab 1" and then "Tab 3". If the CTabFolder is now | |
3204 * compressed so that only two tabs are visible, by default, | |
3205 * "Tab 2" and "Tab 3" will be shown ("Tab 3" since it is currently | |
3206 * selected and "Tab 2" because it is the previous item in index order). | |
3207 * If MRU visibility is enabled, the two visible tabs will be "Tab 1" | |
3208 * and "Tab 3" (in that order from left to right).</p> | |
3209 * | |
3210 * @param show the new visibility state | |
3211 * | |
3212 * @exception DWTException <ul> | |
3213 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3214 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3215 * </ul> | |
3216 * | |
3217 * @since 3.1 | |
3218 */ | |
3219 public void setMRUVisible(bool show) { | |
3220 checkWidget(); | |
3221 if (mru is show) return; | |
3222 mru = show; | |
3223 if (!mru) { | |
3224 int idx = firstIndex; | |
3225 int next = 0; | |
3226 for (int i = firstIndex; i < items.length; i++) { | |
3227 priority[next++] = i; | |
3228 } | |
3229 for (int i = 0; i < idx; i++) { | |
3230 priority[next++] = i; | |
3231 } | |
3232 if (updateItems()) redrawTabs(); | |
3233 } | |
3234 } | |
3235 /** | |
3236 * Set the selection to the tab at the specified item. | |
3237 * | |
3238 * @param item the tab item to be selected | |
3239 * | |
3240 * @exception IllegalArgumentException <ul> | |
246 | 3241 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> |
155 | 3242 * </ul> |
3243 * | |
3244 * @exception DWTException <ul> | |
3245 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
3246 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
3247 * </ul> | |
3248 */ | |
3249 public void setSelection(CTabItem item) { | |
3250 checkWidget(); | |
3251 if (item is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
3252 int index = indexOf(item); | |
3253 setSelection(index); | |
3254 } | |
3255 /** | |
3256 * Set the selection to the tab at the specified index. | |
3257 * | |
3258 * @param index the index of the tab item to be selected | |
3259 * | |
3260 * @exception DWTException <ul> | |
3261 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3262 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3263 * </ul> | |
3264 */ | |
3265 public void setSelection(int index) { | |
3266 checkWidget(); | |
3267 if (index < 0 || index >= items.length) return; | |
3268 CTabItem selection = items[index]; | |
3269 if (selectedIndex is index) { | |
3270 showItem(selection); | |
3271 return; | |
3272 } | |
3273 | |
3274 int oldIndex = selectedIndex; | |
3275 selectedIndex = index; | |
3276 if (oldIndex !is -1) { | |
3277 items[oldIndex].closeImageState = NONE; | |
3278 } | |
3279 selection.closeImageState = NORMAL; | |
3280 selection.showing = false; | |
3281 | |
213 | 3282 Control newControl = selection.control; |
3283 Control oldControl = null; | |
3284 if (oldIndex !is -1) { | |
3285 oldControl = items[oldIndex].control; | |
155 | 3286 } |
3287 | |
213 | 3288 if (newControl !is oldControl) { |
3289 if (newControl !is null && !newControl.isDisposed()) { | |
3290 newControl.setBounds(getClientArea()); | |
3291 newControl.setVisible(true); | |
3292 } | |
3293 if (oldControl !is null && !oldControl.isDisposed()) { | |
3294 oldControl.setVisible(false); | |
155 | 3295 } |
3296 } | |
3297 showItem(selection); | |
3298 redraw(); | |
3299 } | |
3300 void setSelection(int index, bool notify) { | |
3301 int oldSelectedIndex = selectedIndex; | |
3302 setSelection(index); | |
3303 if (notify && selectedIndex !is oldSelectedIndex && selectedIndex !is -1) { | |
3304 Event event = new Event(); | |
3305 event.item = getItem(selectedIndex); | |
3306 notifyListeners(DWT.Selection, event); | |
3307 } | |
3308 } | |
3309 /** | |
3310 * Sets the receiver's selection background color to the color specified | |
3311 * by the argument, or to the default system color for the control | |
3312 * if the argument is null. | |
3313 * | |
3314 * @param color the new color (or null) | |
3315 * | |
3316 * @exception IllegalArgumentException <ul> | |
3317 * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> | |
3318 * </ul> | |
3319 * @exception DWTException <ul> | |
3320 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3321 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3322 * </ul> | |
3323 * | |
3324 * @since 3.0 | |
3325 */ | |
3326 public void setSelectionBackground (Color color) { | |
3327 checkWidget(); | |
3328 setSelectionHighlightGradientColor(null); | |
3329 if (selectionBackground is color) return; | |
3330 if (color is null) color = getDisplay().getSystemColor(SELECTION_BACKGROUND); | |
3331 selectionBackground = color; | |
3332 if (selectedIndex > -1) redraw(); | |
3333 } | |
3334 /** | |
3335 * Specify a gradient of colours to be draw in the background of the selected tab. | |
3336 * For example to draw a gradient that varies from dark blue to blue and then to | |
3337 * white, use the following call to setBackground: | |
3338 * <pre> | |
3339 * cfolder.setBackground(new Color[]{display.getSystemColor(DWT.COLOR_DARK_BLUE), | |
3340 * display.getSystemColor(DWT.COLOR_BLUE), | |
3341 * display.getSystemColor(DWT.COLOR_WHITE), | |
3342 * display.getSystemColor(DWT.COLOR_WHITE)}, | |
3343 * new int[] {25, 50, 100}); | |
3344 * </pre> | |
3345 * | |
3346 * @param colors an array of Color that specifies the colors to appear in the gradient | |
3347 * in order of appearance left to right. The value <code>null</code> clears the | |
3348 * background gradient. The value <code>null</code> can be used inside the array of | |
3349 * Color to specify the background color. | |
3350 * @param percents an array of integers between 0 and 100 specifying the percent of the width | |
3351 * of the widget at which the color should change. The size of the percents array must be one | |
3352 * less than the size of the colors array. | |
3353 * | |
3354 * @exception DWTException <ul> | |
3355 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
3356 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
3357 * </ul> | |
3358 */ | |
3359 public void setSelectionBackground(Color[] colors, int[] percents) { | |
3360 setSelectionBackground(colors, percents, false); | |
3361 } | |
3362 /** | |
3363 * Specify a gradient of colours to be draw in the background of the selected tab. | |
3364 * For example to draw a vertical gradient that varies from dark blue to blue and then to | |
3365 * white, use the following call to setBackground: | |
3366 * <pre> | |
3367 * cfolder.setBackground(new Color[]{display.getSystemColor(DWT.COLOR_DARK_BLUE), | |
3368 * display.getSystemColor(DWT.COLOR_BLUE), | |
3369 * display.getSystemColor(DWT.COLOR_WHITE), | |
3370 * display.getSystemColor(DWT.COLOR_WHITE)}, | |
3371 * new int[] {25, 50, 100}, true); | |
3372 * </pre> | |
3373 * | |
3374 * @param colors an array of Color that specifies the colors to appear in the gradient | |
3375 * in order of appearance left to right. The value <code>null</code> clears the | |
3376 * background gradient. The value <code>null</code> can be used inside the array of | |
3377 * Color to specify the background color. | |
3378 * @param percents an array of integers between 0 and 100 specifying the percent of the width | |
3379 * of the widget at which the color should change. The size of the percents array must be one | |
3380 * less than the size of the colors array. | |
3381 * | |
3382 * @param vertical indicate the direction of the gradient. True is vertical and false is horizontal. | |
3383 * | |
3384 * @exception DWTException <ul> | |
3385 * <li>ERROR_THREAD_INVALID_ACCESS when called from the wrong thread</li> | |
3386 * <li>ERROR_WIDGET_DISPOSED when the widget has been disposed</li> | |
3387 * </ul> | |
3388 * | |
3389 * @since 3.0 | |
3390 */ | |
3391 public void setSelectionBackground(Color[] colors, int[] percents, bool vertical) { | |
3392 checkWidget(); | |
3393 int colorsLength; | |
3394 Color highlightBeginColor = null; //null is no highlight | |
3395 | |
3396 if (colors !is null) { | |
3397 //The colors array can optionally have an extra entry which describes the highlight top color | |
3398 //Thus its either one or two larger than the percents array | |
3399 if (percents is null || | |
3400 ! ((percents.length is colors.length - 1) || (percents.length is colors.length - 2))){ | |
3401 DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
3402 } | |
3403 for (int i = 0; i < percents.length; i++) { | |
3404 if (percents[i] < 0 || percents[i] > 100) { | |
3405 DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
3406 } | |
3407 if (i > 0 && percents[i] < percents[i-1]) { | |
3408 DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
3409 } | |
3410 } | |
3411 //If the colors is exactly two more than percents then last is highlight | |
3412 //Keep track of *real* colorsLength (minus the highlight) | |
3413 if(percents.length is colors.length - 2) { | |
3414 highlightBeginColor = colors[colors.length - 1]; | |
3415 colorsLength = colors.length - 1; | |
3416 } else { | |
3417 colorsLength = colors.length; | |
3418 } | |
3419 if (getDisplay().getDepth() < 15) { | |
3420 // Don't use gradients on low color displays | |
3421 colors = [colors[colorsLength - 1]]; | |
3422 colorsLength = colors.length; | |
3423 percents = null; | |
3424 } | |
3425 } else { | |
3426 colorsLength = 0; | |
3427 } | |
3428 | |
3429 // Are these settings the same as before? | |
3430 if (selectionBgImage is null) { | |
3431 if ((selectionGradientColors !is null) && (colors !is null) && | |
3432 (selectionGradientColors.length is colorsLength)) { | |
3433 bool same = false; | |
3434 for (int i = 0; i < selectionGradientColors.length; i++) { | |
3435 if (selectionGradientColors[i] is null) { | |
3436 same = colors[i] is null; | |
3437 } else { | |
3438 same = cast(bool)(selectionGradientColors[i]==colors[i]); | |
3439 } | |
3440 if (!same) break; | |
3441 } | |
3442 if (same) { | |
3443 for (int i = 0; i < selectionGradientPercents.length; i++) { | |
3444 same = selectionGradientPercents[i] is percents[i]; | |
3445 if (!same) break; | |
3446 } | |
3447 } | |
3448 if (same && this.selectionGradientVertical is vertical) return; | |
3449 } | |
3450 } else { | |
3451 selectionBgImage = null; | |
3452 } | |
3453 // Store the new settings | |
3454 if (colors is null) { | |
3455 selectionGradientColors = null; | |
3456 selectionGradientPercents = null; | |
3457 selectionGradientVertical = false; | |
3458 setSelectionBackground(cast(Color)null); | |
3459 setSelectionHighlightGradientColor(null); | |
3460 } else { | |
3461 selectionGradientColors = new Color[colorsLength]; | |
3462 for (int i = 0; i < colorsLength; ++i) { | |
3463 selectionGradientColors[i] = colors[i]; | |
3464 } | |
3465 selectionGradientPercents = new int[percents.length]; | |
3466 for (int i = 0; i < percents.length; ++i) { | |
3467 selectionGradientPercents[i] = percents[i]; | |
3468 } | |
3469 selectionGradientVertical = vertical; | |
3470 setSelectionBackground(selectionGradientColors[selectionGradientColors.length-1]); | |
3471 setSelectionHighlightGradientColor(highlightBeginColor); | |
3472 } | |
3473 | |
3474 // Refresh with the new settings | |
3475 if (selectedIndex > -1) redraw(); | |
3476 } | |
3477 | |
3478 /* | |
3479 * Set the color for the highlight start for selected tabs. | |
3480 * Update the cache of highlight gradient colors if required. | |
3481 */ | |
3482 | |
3483 void setSelectionHighlightGradientColor(Color start) { | |
3484 //Set to null to match all the early return cases. | |
3485 //For early returns, don't realloc the cache, we may get a cache hit next time we're given the highlight | |
3486 selectionHighlightGradientBegin = null; | |
3487 | |
3488 if(start is null) | |
3489 return; | |
3490 | |
3491 //don't bother on low colour | |
3492 if (getDisplay().getDepth() < 15) | |
3493 return; | |
3494 | |
3495 //don't bother if we don't have a background gradient | |
3496 if(selectionGradientColors.length < 2) | |
3497 return; | |
3498 | |
3499 //OK we know its a valid gradient now | |
3500 selectionHighlightGradientBegin = start; | |
3501 | |
3502 if(! isSelectionHighlightColorsCacheHit(start)) | |
3503 createSelectionHighlightGradientColors(start); //if no cache hit then compute new ones | |
3504 } | |
3505 | |
3506 /* | |
3507 * Return true if given start color, the cache of highlight colors we have | |
3508 * would match the highlight colors we'd compute. | |
3509 */ | |
3510 bool isSelectionHighlightColorsCacheHit(Color start) { | |
3511 | |
3512 if(selectionHighlightGradientColorsCache is null) | |
3513 return false; | |
3514 | |
3515 //this case should never happen but check to be safe before accessing array indexes | |
3516 if(selectionHighlightGradientColorsCache.length < 2) | |
3517 return false; | |
3518 | |
3519 Color highlightBegin = selectionHighlightGradientColorsCache[0]; | |
3520 Color highlightEnd = selectionHighlightGradientColorsCache[selectionHighlightGradientColorsCache.length - 1]; | |
3521 | |
3522 if( highlightBegin!=start) | |
3523 return false; | |
3524 | |
3525 //Compare number of colours we have vs. we'd compute | |
3526 if(selectionHighlightGradientColorsCache.length !is tabHeight) | |
3527 return false; | |
3528 | |
3529 //Compare existing highlight end to what it would be (selectionBackground) | |
3530 if( highlightEnd!=selectionBackground) | |
3531 return false; | |
3532 | |
3533 return true; | |
3534 } | |
3535 | |
3536 /** | |
3537 * Set the image to be drawn in the background of the selected tab. Image | |
3538 * is stretched or compressed to cover entire selection tab area. | |
3539 * | |
3540 * @param image the image to be drawn in the background | |
3541 * | |
3542 * @exception DWTException <ul> | |
3543 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3544 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3545 * </ul> | |
3546 */ | |
3547 public void setSelectionBackground(Image image) { | |
3548 checkWidget(); | |
3549 setSelectionHighlightGradientColor(null); | |
3550 if (image is selectionBgImage) return; | |
3551 if (image !is null) { | |
3552 selectionGradientColors = null; | |
3553 selectionGradientPercents = null; | |
3554 disposeSelectionHighlightGradientColors(); | |
3555 } | |
3556 selectionBgImage = image; | |
3557 if (selectedIndex > -1) redraw(); | |
3558 } | |
3559 /** | |
3560 * Set the foreground color of the selected tab. | |
3561 * | |
3562 * @param color the color of the text displayed in the selected tab | |
3563 * | |
3564 * @exception DWTException <ul> | |
3565 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3566 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3567 * </ul> | |
3568 */ | |
3569 public void setSelectionForeground (Color color) { | |
3570 checkWidget(); | |
3571 if (selectionForeground is color) return; | |
3572 if (color is null) color = getDisplay().getSystemColor(SELECTION_FOREGROUND); | |
3573 selectionForeground = color; | |
3574 if (selectedIndex > -1) redraw(); | |
3575 } | |
3576 | |
3577 /* | |
3578 * Allocate colors for the highlight line. | |
3579 * Colours will be a gradual blend ranging from to. | |
3580 * Blend length will be tab height. | |
3581 * Recompute this if tab height changes. | |
3582 * Could remain null if there'd be no gradient (start=end or low colour display) | |
3583 */ | |
3584 void createSelectionHighlightGradientColors(Color start) { | |
3585 disposeSelectionHighlightGradientColors(); //dispose if existing | |
3586 | |
3587 if(start is null) //shouldn't happen but just to be safe | |
3588 return; | |
3589 | |
3590 //alloc colours for entire height to ensure it matches wherever we stop drawing | |
3591 int fadeGradientSize = tabHeight; | |
3592 | |
3593 RGB from = start.getRGB(); | |
3594 RGB to = selectionBackground.getRGB(); | |
3595 | |
3596 selectionHighlightGradientColorsCache = new Color[fadeGradientSize]; | |
3597 int denom = fadeGradientSize - 1; | |
3598 | |
3599 for (int i = 0; i < fadeGradientSize; i++) { | |
3600 int propFrom = denom - i; | |
3601 int propTo = i; | |
3602 int red = (to.red * propTo + from.red * propFrom) / denom; | |
3603 int green = (to.green * propTo + from.green * propFrom) / denom; | |
3604 int blue = (to.blue * propTo + from.blue * propFrom) / denom; | |
3605 selectionHighlightGradientColorsCache[i] = new Color(getDisplay(), red, green, blue); | |
3606 } | |
3607 } | |
3608 | |
3609 void disposeSelectionHighlightGradientColors() { | |
3610 if(selectionHighlightGradientColorsCache is null) | |
3611 return; | |
3612 for (int i = 0; i < selectionHighlightGradientColorsCache.length; i++) { | |
3613 selectionHighlightGradientColorsCache[i].dispose(); | |
3614 } | |
3615 selectionHighlightGradientColorsCache = null; | |
3616 } | |
3617 | |
3618 /* | |
3619 * Return the gradient start color for selected tabs, which is the start of the tab fade | |
3620 * (end is selectionBackground). | |
3621 */ | |
3622 Color getSelectionBackgroundGradientBegin() { | |
3623 if (selectionGradientColors is null) | |
3624 return getSelectionBackground(); | |
3625 if (selectionGradientColors.length is 0) | |
3626 return getSelectionBackground(); | |
3627 return selectionGradientColors[0]; | |
3628 } | |
3629 | |
3630 /** | |
3631 * Sets the shape that the CTabFolder will use to render itself. | |
3632 * | |
3633 * @param simple <code>true</code> if the CTabFolder should render itself in a simple, traditional style | |
3634 * | |
3635 * @exception DWTException <ul> | |
3636 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3637 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3638 * </ul> | |
3639 * | |
3640 * @since 3.0 | |
3641 */ | |
3642 public void setSimple(bool simple) { | |
3643 checkWidget(); | |
3644 if (this.simple !is simple) { | |
3645 this.simple = simple; | |
3646 Rectangle rectBefore = getClientArea(); | |
3647 updateItems(); | |
3648 Rectangle rectAfter = getClientArea(); | |
3649 if (rectBefore!=rectAfter) { | |
3650 notifyListeners(DWT.Resize, new Event()); | |
3651 } | |
3652 redraw(); | |
3653 } | |
3654 } | |
3655 /** | |
3656 * Sets the number of tabs that the CTabFolder should display | |
3657 * | |
3658 * @param single <code>true</code> if only the selected tab should be displayed otherwise, multiple tabs will be shown. | |
3659 * | |
3660 * @exception DWTException <ul> | |
3661 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3662 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3663 * </ul> | |
3664 * | |
3665 * @since 3.0 | |
3666 */ | |
3667 public void setSingle(bool single) { | |
3668 checkWidget(); | |
3669 if (this.single !is single) { | |
3670 this.single = single; | |
3671 if (!single) { | |
3672 for (int i = 0; i < items.length; i++) { | |
3673 if (i !is selectedIndex && items[i].closeImageState is NORMAL) { | |
3674 items[i].closeImageState = NONE; | |
3675 } | |
3676 } | |
3677 } | |
3678 Rectangle rectBefore = getClientArea(); | |
3679 updateItems(); | |
3680 Rectangle rectAfter = getClientArea(); | |
3681 if (rectBefore!=rectAfter) { | |
3682 notifyListeners(DWT.Resize, new Event()); | |
3683 } | |
3684 redraw(); | |
3685 } | |
3686 } | |
3687 /** | |
3688 * Specify a fixed height for the tab items. If no height is specified, | |
3689 * the default height is the height of the text or the image, whichever | |
3690 * is greater. Specifying a height of -1 will revert to the default height. | |
3691 * | |
3692 * @param height the pixel value of the height or -1 | |
3693 * | |
3694 * @exception DWTException <ul> | |
3695 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3696 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3697 * <li>ERROR_INVALID_ARGUMENT - if called with a height of less than 0</li> | |
3698 * </ul> | |
3699 */ | |
3700 public void setTabHeight(int height) { | |
3701 checkWidget(); | |
3702 if (height < -1) { | |
3703 DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
3704 } | |
3705 fixedTabHeight = height; | |
3706 updateTabHeight(false); | |
3707 } | |
3708 /** | |
3709 * Specify whether the tabs should appear along the top of the folder | |
3710 * or along the bottom of the folder. | |
3711 * | |
3712 * @param position <code>DWT.TOP</code> for tabs along the top or <code>DWT.BOTTOM</code> for tabs along the bottom | |
3713 * | |
3714 * @exception DWTException <ul> | |
3715 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3716 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3717 * <li>ERROR_INVALID_ARGUMENT - if the position value is not either DWT.TOP or DWT.BOTTOM</li> | |
3718 * </ul> | |
3719 * | |
3720 * @since 3.0 | |
3721 */ | |
3722 public void setTabPosition(int position) { | |
3723 checkWidget(); | |
3724 if (position !is DWT.TOP && position !is DWT.BOTTOM) { | |
3725 DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
3726 } | |
3727 if (onBottom !is (position is DWT.BOTTOM)) { | |
3728 onBottom = position is DWT.BOTTOM; | |
3729 borderTop = onBottom ? borderLeft : 0; | |
3730 borderBottom = onBottom ? 0 : borderRight; | |
3731 updateTabHeight(true); | |
3732 Rectangle rectBefore = getClientArea(); | |
3733 updateItems(); | |
3734 Rectangle rectAfter = getClientArea(); | |
3735 if (rectBefore!=rectAfter) { | |
3736 notifyListeners(DWT.Resize, new Event()); | |
3737 } | |
3738 redraw(); | |
3739 } | |
3740 } | |
3741 /** | |
3742 * Set the control that appears in the top right corner of the tab folder. | |
3743 * Typically this is a close button or a composite with a Menu and close button. | |
3744 * The topRight control is optional. Setting the top right control to null will | |
3745 * remove it from the tab folder. | |
3746 * | |
3747 * @param control the control to be displayed in the top right corner or null | |
3748 * | |
3749 * @exception DWTException <ul> | |
3750 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3751 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3752 * <li>ERROR_INVALID_ARGUMENT - if the control is not a child of this CTabFolder</li> | |
3753 * </ul> | |
3754 * | |
3755 * @since 2.1 | |
3756 */ | |
3757 public void setTopRight(Control control) { | |
3758 setTopRight(control, DWT.RIGHT); | |
3759 } | |
3760 /** | |
3761 * Set the control that appears in the top right corner of the tab folder. | |
3762 * Typically this is a close button or a composite with a Menu and close button. | |
3763 * The topRight control is optional. Setting the top right control to null | |
3764 * will remove it from the tab folder. | |
3765 * <p> | |
3766 * The alignment parameter sets the layout of the control in the tab area. | |
3767 * <code>DWT.RIGHT</code> will cause the control to be positioned on the far | |
3768 * right of the folder and it will have its default size. <code>DWT.FILL</code> | |
3769 * will size the control to fill all the available space to the right of the | |
3770 * last tab. If there is no available space, the control will not be visible. | |
3771 * </p> | |
3772 * | |
3773 * @param control the control to be displayed in the top right corner or null | |
3774 * @param alignment <code>DWT.RIGHT</code> or <code>DWT.FILL</code> | |
3775 * | |
3776 * @exception DWTException <ul> | |
3777 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3778 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3779 * <li>ERROR_INVALID_ARGUMENT - if the control is not a child of this CTabFolder</li> | |
3780 * </ul> | |
3781 * | |
3782 * @since 3.0 | |
3783 */ | |
3784 public void setTopRight(Control control, int alignment) { | |
3785 checkWidget(); | |
3786 if (alignment !is DWT.RIGHT && alignment !is DWT.FILL) { | |
3787 DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
3788 } | |
3789 if (control !is null && control.getParent() !is this) { | |
3790 DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
3791 } | |
3792 topRight = control; | |
3793 topRightAlignment = alignment; | |
3794 if (updateItems()) redraw(); | |
3795 } | |
3796 /** | |
3797 * Specify whether the close button appears | |
3798 * when the user hovers over an unselected tabs. | |
3799 * | |
3800 * @param visible <code>true</code> makes the close button appear | |
3801 * | |
3802 * @exception DWTException <ul> | |
3803 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3804 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3805 * </ul> | |
3806 * | |
3807 * @since 3.0 | |
3808 */ | |
3809 public void setUnselectedCloseVisible(bool visible) { | |
3810 checkWidget(); | |
3811 if (showUnselectedClose is visible) return; | |
3812 // display close button when mouse hovers | |
3813 showUnselectedClose = visible; | |
3814 updateItems(); | |
3815 redraw(); | |
3816 } | |
3817 /** | |
3818 * Specify whether the image appears on unselected tabs. | |
3819 * | |
3820 * @param visible <code>true</code> makes the image appear | |
3821 * | |
3822 * @exception DWTException <ul> | |
3823 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3824 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3825 * </ul> | |
3826 * | |
3827 * @since 3.0 | |
3828 */ | |
3829 public void setUnselectedImageVisible(bool visible) { | |
3830 checkWidget(); | |
3831 if (showUnselectedImage is visible) return; | |
3832 // display image on unselected items | |
3833 showUnselectedImage = visible; | |
3834 updateItems(); | |
3835 redraw(); | |
3836 } | |
3837 /** | |
3838 * Shows the item. If the item is already showing in the receiver, | |
3839 * this method simply returns. Otherwise, the items are scrolled until | |
3840 * the item is visible. | |
3841 * | |
3842 * @param item the item to be shown | |
3843 * | |
3844 * @exception IllegalArgumentException <ul> | |
3845 * <li>ERROR_NULL_ARGUMENT - if the item is null</li> | |
3846 * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> | |
3847 * </ul> | |
3848 * @exception DWTException <ul> | |
3849 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3850 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3851 * </ul> | |
3852 * | |
3853 * @see CTabFolder#showSelection() | |
3854 * | |
3855 * @since 2.0 | |
3856 */ | |
3857 public void showItem (CTabItem item) { | |
3858 checkWidget(); | |
3859 if (item is null) DWT.error (DWT.ERROR_NULL_ARGUMENT); | |
3860 if (item.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
3861 int index = indexOf(item); | |
3862 if (index is -1) DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
3863 int idx = -1; | |
3864 for (int i = 0; i < priority.length; i++) { | |
3865 if (priority[i] is index) { | |
3866 idx = i; | |
3867 break; | |
3868 } | |
3869 } | |
3870 if (mru) { | |
3871 // move to front of mru order | |
3872 int[] newPriority = new int[priority.length]; | |
3873 System.arraycopy(priority, 0, newPriority, 1, idx); | |
3874 System.arraycopy(priority, idx+1, newPriority, idx+1, priority.length - idx - 1); | |
3875 newPriority[0] = index; | |
3876 priority = newPriority; | |
3877 } | |
3878 if (item.isShowing()) return; | |
3879 updateItems(index); | |
3880 redrawTabs(); | |
3881 } | |
3882 void showList (Rectangle rect) { | |
3883 if (items.length is 0 || !showChevron) return; | |
3884 if (showMenu is null || showMenu.isDisposed()) { | |
3885 showMenu = new Menu(this); | |
3886 } else { | |
3887 MenuItem[] items = showMenu.getItems(); | |
3888 for (int i = 0; i < items.length; i++) { | |
3889 items[i].dispose(); | |
3890 } | |
3891 } | |
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diff
changeset
|
3892 static const String id = "CTabFolder_showList_Index"; //$NON-NLS-1$ |
155 | 3893 for (int i = 0; i < items.length; i++) { |
3894 CTabItem tab = items[i]; | |
3895 if (tab.showing) continue; | |
3896 MenuItem item = new MenuItem(showMenu, DWT.NONE); | |
3897 item.setText(tab.getText()); | |
3898 item.setImage(tab.getImage()); | |
3899 item.setData(id, tab); | |
3900 item.addSelectionListener(new class() SelectionAdapter { | |
3901 public void widgetSelected(SelectionEvent e) { | |
3902 MenuItem menuItem = cast(MenuItem)e.widget; | |
3903 int index = indexOf(cast(CTabItem)menuItem.getData(id)); | |
3904 this.outer.setSelection(index, true); | |
3905 } | |
3906 }); | |
3907 } | |
3908 int x = rect.x; | |
3909 int y = rect.y + rect.height; | |
3910 Point location = getDisplay().map(this, null, x, y); | |
3911 showMenu.setLocation(location.x, location.y); | |
3912 showMenu.setVisible(true); | |
3913 } | |
3914 /** | |
3915 * Shows the selection. If the selection is already showing in the receiver, | |
3916 * this method simply returns. Otherwise, the items are scrolled until | |
3917 * the selection is visible. | |
3918 * | |
3919 * @exception DWTException <ul> | |
3920 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> | |
3921 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> | |
3922 * </ul> | |
3923 * | |
3924 * @see CTabFolder#showItem(CTabItem) | |
3925 * | |
3926 * @since 2.0 | |
3927 */ | |
3928 public void showSelection () { | |
3929 checkWidget (); | |
3930 if (selectedIndex !is -1) { | |
3931 showItem(getSelection()); | |
3932 } | |
3933 } | |
3934 | |
3935 void _setToolTipText (int x, int y) { | |
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diff
changeset
|
3936 String oldTip = getToolTipText(); |
ab60f3309436
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parents:
197
diff
changeset
|
3937 String newTip = _getToolTip(x, y); |
155 | 3938 if (newTip is null || newTip!=oldTip) { |
3939 setToolTipText(newTip); | |
3940 } | |
3941 } | |
3942 | |
3943 bool updateItems() { | |
3944 return updateItems(selectedIndex); | |
3945 } | |
3946 | |
3947 bool updateItems(int showIndex) { | |
3948 if (!single && !mru && showIndex !is -1) { | |
3949 // make sure selected item will be showing | |
3950 int firstIndex = showIndex; | |
3951 if (priority[0] < showIndex) { | |
3952 int maxWidth = getRightItemEdge() - borderLeft; | |
3953 if (!simple) maxWidth -= curveWidth - 2*curveIndent; | |
3954 int width = 0; | |
3955 int[] widths = new int[items.length]; | |
3956 GC gc = new GC(this); | |
3957 for (int i = priority[0]; i <= showIndex; i++) { | |
3958 widths[i] = items[i].preferredWidth(gc, i is selectedIndex, true); | |
3959 width += widths[i]; | |
3960 if (width > maxWidth) break; | |
3961 } | |
3962 if (width > maxWidth) { | |
3963 width = 0; | |
3964 for (int i = showIndex; i >= 0; i--) { | |
3965 if (widths[i] is 0) widths[i] = items[i].preferredWidth(gc, i is selectedIndex, true); | |
3966 width += widths[i]; | |
3967 if (width > maxWidth) break; | |
3968 firstIndex = i; | |
3969 } | |
3970 } else { | |
3971 firstIndex = priority[0]; | |
3972 for (int i = showIndex + 1; i < items.length; i++) { | |
3973 widths[i] = items[i].preferredWidth(gc, i is selectedIndex, true); | |
3974 width += widths[i]; | |
3975 if (width >= maxWidth) break; | |
3976 } | |
3977 if (width < maxWidth) { | |
3978 for (int i = priority[0] - 1; i >= 0; i--) { | |
3979 if (widths[i] is 0) widths[i] = items[i].preferredWidth(gc, i is selectedIndex, true); | |
3980 width += widths[i]; | |
3981 if (width > maxWidth) break; | |
3982 firstIndex = i; | |
3983 } | |
3984 } | |
3985 } | |
3986 gc.dispose(); | |
3987 } | |
3988 if (firstIndex !is priority[0]) { | |
3989 int index = 0; | |
3990 for (int i = firstIndex; i < items.length; i++) { | |
3991 priority[index++] = i; | |
3992 } | |
3993 for (int i = 0; i < firstIndex; i++) { | |
3994 priority[index++] = i; | |
3995 } | |
3996 } | |
3997 } | |
3998 | |
3999 bool oldShowChevron = showChevron; | |
4000 bool changed = setItemSize(); | |
4001 changed |= setItemLocation(); | |
4002 setButtonBounds(); | |
4003 changed |= showChevron !is oldShowChevron; | |
4004 if (changed && getToolTipText() !is null) { | |
4005 Point pt = getDisplay().getCursorLocation(); | |
4006 pt = toControl(pt); | |
4007 _setToolTipText(pt.x, pt.y); | |
4008 } | |
4009 return changed; | |
4010 } | |
4011 bool updateTabHeight(bool force){ | |
4012 int style = getStyle(); | |
4013 if (fixedTabHeight is 0 && (style & DWT.FLAT) !is 0 && (style & DWT.BORDER) is 0) highlight_header = 0; | |
4014 int oldHeight = tabHeight; | |
4015 if (fixedTabHeight !is DWT.DEFAULT) { | |
4016 tabHeight = fixedTabHeight is 0 ? 0 : fixedTabHeight + 1; // +1 for line drawn across top of tab | |
4017 } else { | |
4018 int tempHeight = 0; | |
4019 GC gc = new GC(this); | |
4020 if (items.length is 0) { | |
4021 tempHeight = gc.textExtent("Default", CTabItem.FLAGS).y + CTabItem.TOP_MARGIN + CTabItem.BOTTOM_MARGIN; //$NON-NLS-1$ | |
4022 } else { | |
4023 for (int i=0; i < items.length; i++) { | |
4024 tempHeight = Math.max(tempHeight, items[i].preferredHeight(gc)); | |
4025 } | |
4026 } | |
4027 gc.dispose(); | |
4028 tabHeight = tempHeight; | |
4029 } | |
4030 if (!force && tabHeight is oldHeight) return false; | |
4031 | |
4032 oldSize = null; | |
4033 if (onBottom) { | |
4034 int d = tabHeight - 12; | |
4035 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, | |
4036 11,7+d, 11+d,7, | |
4037 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]; | |
4038 curveWidth = 26+d; | |
4039 curveIndent = curveWidth/3; | |
4040 } else { | |
4041 int d = tabHeight - 12; | |
4042 curve = [0,0, 0,1, 2,1, 3,2, 5,2, 6,3, 7,3, 9,5, 10,5, | |
4043 11,6, 11+d,6+d, | |
4044 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]; | |
4045 curveWidth = 26+d; | |
4046 curveIndent = curveWidth/3; | |
4047 | |
4048 //this could be static but since values depend on curve, better to keep in one place | |
4049 topCurveHighlightStart = [ | |
4050 0, 2, 1, 2, 2, 2, | |
4051 3, 3, 4, 3, 5, 3, | |
4052 6, 4, 7, 4, | |
4053 8, 5, | |
4054 9, 6, 10, 6]; | |
4055 | |
4056 //also, by adding in 'd' here we save some math cost when drawing the curve | |
4057 topCurveHighlightEnd = [ | |
4058 10+d, 6+d, | |
4059 11+d, 7+d, | |
4060 12+d, 8+d, 13+d, 8+d, | |
4061 14+d, 9+d, | |
4062 15+d, 10+d, 16+d, 10+d, | |
4063 17+d, 11+d, 18+d, 11+d, 19+d, 11+d, | |
4064 20+d, 12+d, 21+d, 12+d, 22+d, 12+d ]; | |
4065 } | |
4066 notifyListeners(DWT.Resize, new Event()); | |
4067 return true; | |
4068 } | |
212
ab60f3309436
reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents:
197
diff
changeset
|
4069 String _getToolTip(int x, int y) { |
155 | 4070 if (showMin && minRect.contains(x, y)) return minimized ? DWT.getMessage("SWT_Restore") : DWT.getMessage("SWT_Minimize"); //$NON-NLS-1$ //$NON-NLS-2$ |
4071 if (showMax && maxRect.contains(x, y)) return maximized ? DWT.getMessage("SWT_Restore") : DWT.getMessage("SWT_Maximize"); //$NON-NLS-1$ //$NON-NLS-2$ | |
4072 if (showChevron && chevronRect.contains(x, y)) return DWT.getMessage("SWT_ShowList"); //$NON-NLS-1$ | |
4073 CTabItem item = getItem(new Point (x, y)); | |
4074 if (item is null) return null; | |
4075 if (!item.showing) return null; | |
4076 if ((showClose || item.showClose) && item.closeRect.contains(x, y)) { | |
4077 return DWT.getMessage("SWT_Close"); //$NON-NLS-1$ | |
4078 } | |
4079 return item.getToolTipText(); | |
4080 } | |
4081 } |