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comparison dwt/graphics/Cursor.d @ 240:ce446666f5a2

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Update to SWT 3.4M7
author Frank Benoit <benoit@tionex.de>
date Mon, 12 May 2008 19:13:01 +0200
parents 380bad9f6852
children c0d810de7093
comparison
equal deleted inserted replaced
239:06a1f6829310 240:ce446666f5a2
88 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 88 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
89 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 89 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
90 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 90 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
91 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]; 91 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00];
92 92
93 this () { 93 this (Device device) {
94 super(device);
94 } 95 }
95 96
96 /** 97 /**
97 * Constructs a new cursor given a device and a style 98 * Constructs a new cursor given a device and a style
98 * constant describing the desired cursor appearance. 99 * constant describing the desired cursor appearance.
133 * @see DWT#CURSOR_IBEAM 134 * @see DWT#CURSOR_IBEAM
134 * @see DWT#CURSOR_NO 135 * @see DWT#CURSOR_NO
135 * @see DWT#CURSOR_HAND 136 * @see DWT#CURSOR_HAND
136 */ 137 */
137 public this(Device device, int style) { 138 public this(Device device, int style) {
138 if (device is null) device = Device.getDevice(); 139 super(device);
139 if (device is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
140 this.device = device;
141 int shape = 0; 140 int shape = 0;
142 switch (style) { 141 switch (style) {
143 case DWT.CURSOR_APPSTARTING: break; 142 case DWT.CURSOR_APPSTARTING: break;
144 case DWT.CURSOR_ARROW: shape = OS.GDK_LEFT_PTR; break; 143 case DWT.CURSOR_ARROW: shape = OS.GDK_LEFT_PTR; break;
145 case DWT.CURSOR_WAIT: shape = OS.GDK_WATCH; break; 144 case DWT.CURSOR_WAIT: shape = OS.GDK_WATCH; break;
169 handle = createCursor(APPSTARTING_SRC, APPSTARTING_MASK, 32, 32, 2, 2, true); 168 handle = createCursor(APPSTARTING_SRC, APPSTARTING_MASK, 32, 32, 2, 2, true);
170 } else { 169 } else {
171 handle = OS.gdk_cursor_new(shape); 170 handle = OS.gdk_cursor_new(shape);
172 } 171 }
173 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES); 172 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES);
174 if (device.tracking) device.new_Object(this); 173 init_();
175 } 174 }
176 175
177 /** 176 /**
178 * Constructs a new cursor given a device, image and mask 177 * Constructs a new cursor given a device, image and mask
179 * data describing the desired cursor appearance, and the x 178 * data describing the desired cursor appearance, and the x
204 * @exception DWTError <ul> 203 * @exception DWTError <ul>
205 * <li>ERROR_NO_HANDLES - if a handle could not be obtained for cursor creation</li> 204 * <li>ERROR_NO_HANDLES - if a handle could not be obtained for cursor creation</li>
206 * </ul> 205 * </ul>
207 */ 206 */
208 public this(Device device, ImageData source, ImageData mask, int hotspotX, int hotspotY) { 207 public this(Device device, ImageData source, ImageData mask, int hotspotX, int hotspotY) {
209 if (device is null) device = Device.getDevice(); 208 super(device);
210 if (device is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
211 this.device = device;
212 if (source is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); 209 if (source is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
213 if (mask is null) { 210 if (mask is null) {
214 if (!(source.getTransparencyType() is DWT.TRANSPARENCY_MASK)) DWT.error(DWT.ERROR_NULL_ARGUMENT); 211 if (!(source.getTransparencyType() is DWT.TRANSPARENCY_MASK)) DWT.error(DWT.ERROR_NULL_ARGUMENT);
215 mask = source.getTransparencyMask(); 212 mask = source.getTransparencyMask();
216 } 213 }
258 maskData[i] = cast(byte) ~maskData[i]; 255 maskData[i] = cast(byte) ~maskData[i];
259 } 256 }
260 maskData = ImageData.convertPad(maskData, mask.width, mask.height, mask.depth, mask.scanlinePad, 1); 257 maskData = ImageData.convertPad(maskData, mask.width, mask.height, mask.depth, mask.scanlinePad, 1);
261 handle = createCursor(maskData, sourceData, source.width, source.height, hotspotX, hotspotY, true); 258 handle = createCursor(maskData, sourceData, source.width, source.height, hotspotX, hotspotY, true);
262 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES); 259 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES);
263 if (device.tracking) device.new_Object(this); 260 init_();
264 } 261 }
265 262
266 /** 263 /**
267 * Constructs a new cursor given a device, image data describing 264 * Constructs a new cursor given a device, image data describing
268 * the desired cursor appearance, and the x and y coordinates of 265 * the desired cursor appearance, and the x and y coordinates of
289 * </ul> 286 * </ul>
290 * 287 *
291 * @since 3.0 288 * @since 3.0
292 */ 289 */
293 public this(Device device, ImageData source, int hotspotX, int hotspotY) { 290 public this(Device device, ImageData source, int hotspotX, int hotspotY) {
294 if (device is null) device = Device.getDevice(); 291 super(device);
295 if (device is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
296 this.device = device;
297 if (source is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); 292 if (source is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
298 if (hotspotX >= source.width || hotspotX < 0 || 293 if (hotspotX >= source.width || hotspotX < 0 ||
299 hotspotY >= source.height || hotspotY < 0) { 294 hotspotY >= source.height || hotspotY < 0) {
300 DWT.error(DWT.ERROR_INVALID_ARGUMENT); 295 DWT.error(DWT.ERROR_INVALID_ARGUMENT);
301 } 296 }
436 } 431 }
437 maskData = ImageData.convertPad(maskData, mask.width, mask.height, mask.depth, mask.scanlinePad, 1); 432 maskData = ImageData.convertPad(maskData, mask.width, mask.height, mask.depth, mask.scanlinePad, 1);
438 handle = createCursor(sourceData, maskData, source.width, source.height, hotspotX, hotspotY, false); 433 handle = createCursor(sourceData, maskData, source.width, source.height, hotspotX, hotspotY, false);
439 } 434 }
440 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES); 435 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES);
441 if (device.tracking) device.new_Object(this); 436 init_();
442 } 437 }
443 438
444 GdkCursor* createCursor(byte[] sourceData, byte[] maskData, int width, int height, int hotspotX, int hotspotY, bool reverse) { 439 GdkCursor* createCursor(byte[] sourceData, byte[] maskData, int width, int height, int hotspotX, int hotspotY, bool reverse) {
445 auto sourcePixmap = OS.gdk_bitmap_create_from_data(null, cast(char*)sourceData.ptr, width, height); 440 auto sourcePixmap = OS.gdk_bitmap_create_from_data(null, cast(char*)sourceData.ptr, width, height);
446 auto maskPixmap = OS.gdk_bitmap_create_from_data(null, cast(char*)maskData.ptr, width, height); 441 auto maskPixmap = OS.gdk_bitmap_create_from_data(null, cast(char*)maskData.ptr, width, height);
455 if (sourcePixmap !is null) OS.g_object_unref (sourcePixmap); 450 if (sourcePixmap !is null) OS.g_object_unref (sourcePixmap);
456 if (maskPixmap !is null) OS.g_object_unref (maskPixmap); 451 if (maskPixmap !is null) OS.g_object_unref (maskPixmap);
457 return cursor; 452 return cursor;
458 } 453 }
459 454
460 /** 455 void destroy() {
461 * Disposes of the operating system resources associated with
462 * the cursor. Applications must dispose of all cursors which
463 * they allocate.
464 */
465 public override void dispose() {
466 if (handle is null) return;
467 if (device.isDisposed()) return;
468 OS.gdk_cursor_destroy(handle); 456 OS.gdk_cursor_destroy(handle);
469 handle = null; 457 handle = null;
470 if (device.tracking) device.dispose_Object(this);
471 device = null;
472 } 458 }
473 459
474 /** 460 /**
475 * Compares the argument to the receiver, and returns true 461 * Compares the argument to the receiver, and returns true
476 * if they represent the <em>same</em> object using a class 462 * if they represent the <em>same</em> object using a class
503 * @param handle the handle for the cursor 489 * @param handle the handle for the cursor
504 * 490 *
505 * @private 491 * @private
506 */ 492 */
507 public static Cursor gtk_new(Device device, GdkCursor* handle) { 493 public static Cursor gtk_new(Device device, GdkCursor* handle) {
508 if (device is null) device = Device.getDevice(); 494 Cursor cursor = new Cursor(device);
509 Cursor cursor = new Cursor();
510 cursor.handle = handle; 495 cursor.handle = handle;
511 cursor.device = device;
512 return cursor; 496 return cursor;
513 } 497 }
514 498
515 /** 499 /**
516 * Returns an integer hash code for the receiver. Any two 500 * Returns an integer hash code for the receiver. Any two