3 * Copyright (C) 2005-2007 Imendio AB
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
23 #include "gdkdisplay.h"
24 #include "gdkcursor.h"
25 #include "gdkprivate-quartz.h"
29 static GdkCursor *cached_xcursors[G_N_ELEMENTS (xcursors)];
32 gdk_quartz_cursor_new_from_nscursor (NSCursor *nscursor,
33 GdkCursorType cursor_type)
35 GdkCursorPrivate *private;
38 private = g_new (GdkCursorPrivate, 1);
39 private->nscursor = nscursor;
41 cursor = (GdkCursor *)private;
42 cursor->type = cursor_type;
43 cursor->ref_count = 1;
49 create_blank_cursor (void)
53 NSSize size = { 1.0, 1.0 };
55 nsimage = [[NSImage alloc] initWithSize:size];
56 nscursor = [[NSCursor alloc] initWithImage:nsimage
57 hotSpot:NSMakePoint(0.0, 0.0)];
60 return gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_BLANK_CURSOR);
64 get_bit (const guchar *data,
73 if (x < 0 || y < 0 || x >= width || y >= height)
76 bytes_per_line = (width + 7) / 8;
78 src = &data[y * bytes_per_line];
79 return ((src[x / 8] >> x % 8) & 1);
83 create_builtin_cursor (GdkCursorType cursor_type)
86 NSBitmapImageRep *bitmap_rep;
87 gint mask_width, mask_height;
88 gint src_width, src_height;
90 const guchar *mask_start, *src_start;
97 if (cursor_type >= G_N_ELEMENTS (xcursors) || cursor_type < 0)
100 cursor = cached_xcursors[cursor_type];
104 GDK_QUARTZ_ALLOC_POOL;
106 src_width = xcursors[cursor_type].width;
107 src_height = xcursors[cursor_type].height;
108 mask_width = xcursors[cursor_type+1].width;
109 mask_height = xcursors[cursor_type+1].height;
111 bitmap_rep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
112 pixelsWide:mask_width pixelsHigh:mask_height
113 bitsPerSample:8 samplesPerPixel:4
114 hasAlpha:YES isPlanar:NO colorSpaceName:NSDeviceRGBColorSpace
115 bytesPerRow:0 bitsPerPixel:0];
117 dst_stride = [bitmap_rep bytesPerRow];
119 src_start = xcursors[cursor_type].bits;
120 mask_start = xcursors[cursor_type+1].bits;
122 dx = xcursors[cursor_type+1].hotx - xcursors[cursor_type].hotx;
123 dy = xcursors[cursor_type+1].hoty - xcursors[cursor_type].hoty;
125 for (y = 0; y < mask_height; y++)
127 guchar *dst = [bitmap_rep bitmapData] + y * dst_stride;
129 for (x = 0; x < mask_width; x++)
131 if (get_bit (mask_start, mask_width, mask_height, x, y))
133 if (get_bit (src_start, src_width, src_height, x - dx, y - dy))
158 image = [[NSImage alloc] init];
159 [image addRepresentation:bitmap_rep];
160 [bitmap_rep release];
162 hotspot = NSMakePoint (xcursors[cursor_type+1].hotx,
163 xcursors[cursor_type+1].hoty);
165 nscursor = [[NSCursor alloc] initWithImage:image hotSpot:hotspot];
168 cursor = gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_CURSOR_IS_PIXMAP);
170 cached_xcursors[cursor_type] = gdk_cursor_ref (cursor);
172 GDK_QUARTZ_RELEASE_POOL;
178 gdk_cursor_new_for_display (GdkDisplay *display,
179 GdkCursorType cursor_type)
183 g_return_val_if_fail (display == gdk_display_get_default (), NULL);
188 nscursor = [NSCursor IBeamCursor];
190 case GDK_SB_H_DOUBLE_ARROW:
191 nscursor = [NSCursor resizeLeftRightCursor];
193 case GDK_SB_V_DOUBLE_ARROW:
194 nscursor = [NSCursor resizeUpDownCursor];
196 case GDK_SB_UP_ARROW:
197 case GDK_BASED_ARROW_UP:
200 nscursor = [NSCursor resizeUpCursor];
202 case GDK_SB_DOWN_ARROW:
203 case GDK_BASED_ARROW_DOWN:
205 case GDK_BOTTOM_SIDE:
206 nscursor = [NSCursor resizeDownCursor];
208 case GDK_SB_LEFT_ARROW:
211 nscursor = [NSCursor resizeLeftCursor];
213 case GDK_SB_RIGHT_ARROW:
216 nscursor = [NSCursor resizeRightCursor];
221 case GDK_DIAMOND_CROSS:
222 nscursor = [NSCursor crosshairCursor];
226 nscursor = [NSCursor pointingHandCursor];
228 case GDK_CURSOR_IS_PIXMAP:
230 case GDK_BLANK_CURSOR:
231 return create_blank_cursor ();
233 return gdk_cursor_ref (create_builtin_cursor (cursor_type));
237 return gdk_quartz_cursor_new_from_nscursor (nscursor, cursor_type);
241 gdk_cursor_new_from_pixmap (GdkPixmap *source,
248 NSBitmapImageRep *bitmap_rep;
254 guchar *dst_data, *mask_data, *src_data;
255 guchar *mask_start, *src_start;
258 g_return_val_if_fail (GDK_IS_PIXMAP (source), NULL);
259 g_return_val_if_fail (GDK_IS_PIXMAP (mask), NULL);
260 g_return_val_if_fail (fg != NULL, NULL);
261 g_return_val_if_fail (bg != NULL, NULL);
263 GDK_QUARTZ_ALLOC_POOL;
265 gdk_drawable_get_size (source, &width, &height);
267 bitmap_rep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
268 pixelsWide:width pixelsHigh:height
269 bitsPerSample:8 samplesPerPixel:4
270 hasAlpha:YES isPlanar:NO colorSpaceName:NSDeviceRGBColorSpace
271 bytesPerRow:0 bitsPerPixel:0];
273 dst_stride = [bitmap_rep bytesPerRow];
274 mask_start = GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (mask)->impl)->data;
275 src_start = GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (source)->impl)->data;
277 for (tmp_y = 0; tmp_y < height; tmp_y++)
279 dst_data = [bitmap_rep bitmapData] + tmp_y * dst_stride;
280 mask_data = mask_start + tmp_y * width;
281 src_data = src_start + tmp_y * width;
283 for (tmp_x = 0; tmp_x < width; tmp_x++)
287 const GdkColor *color;
294 *dst_data++ = (color->red >> 8) & 0xff;
295 *dst_data++ = (color->green >> 8) & 0xff;
296 *dst_data++ = (color->blue >> 8) & 0xff;
311 image = [[NSImage alloc] init];
312 [image addRepresentation:bitmap_rep];
313 [bitmap_rep release];
315 nscursor = [[NSCursor alloc] initWithImage:image hotSpot:NSMakePoint(x, y)];
318 cursor = gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_CURSOR_IS_PIXMAP);
320 GDK_QUARTZ_RELEASE_POOL;
326 _gdk_quartz_pixbuf_to_ns_image (GdkPixbuf *pixbuf)
328 NSBitmapImageRep *bitmap_rep;
332 has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
334 /* Create a bitmap image rep */
335 bitmap_rep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
336 pixelsWide:gdk_pixbuf_get_width (pixbuf)
337 pixelsHigh:gdk_pixbuf_get_height (pixbuf)
338 bitsPerSample:8 samplesPerPixel:has_alpha ? 4 : 3
339 hasAlpha:has_alpha isPlanar:NO colorSpaceName:NSDeviceRGBColorSpace
340 bytesPerRow:0 bitsPerPixel:0];
343 /* Add pixel data to bitmap rep */
345 int src_stride, dst_stride;
348 src_stride = gdk_pixbuf_get_rowstride (pixbuf);
349 dst_stride = [bitmap_rep bytesPerRow];
351 for (y = 0; y < gdk_pixbuf_get_height (pixbuf); y++)
353 src = gdk_pixbuf_get_pixels (pixbuf) + y * src_stride;
354 dst = [bitmap_rep bitmapData] + y * dst_stride;
356 for (x = 0; x < gdk_pixbuf_get_width (pixbuf); x++)
360 guchar red, green, blue, alpha;
367 *dst++ = (red * alpha) / 255;
368 *dst++ = (green * alpha) / 255;
369 *dst++ = (blue * alpha) / 255;
382 image = [[NSImage alloc] init];
383 [image addRepresentation:bitmap_rep];
384 [bitmap_rep release];
391 gdk_cursor_new_from_pixbuf (GdkDisplay *display,
401 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
402 g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
403 g_return_val_if_fail (0 <= x && x < gdk_pixbuf_get_width (pixbuf), NULL);
404 g_return_val_if_fail (0 <= y && y < gdk_pixbuf_get_height (pixbuf), NULL);
406 GDK_QUARTZ_ALLOC_POOL;
408 has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
410 image = _gdk_quartz_pixbuf_to_ns_image (pixbuf);
411 nscursor = [[NSCursor alloc] initWithImage:image hotSpot:NSMakePoint(x, y)];
413 cursor = gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_CURSOR_IS_PIXMAP);
415 GDK_QUARTZ_RELEASE_POOL;
421 gdk_cursor_new_from_name (GdkDisplay *display,
424 /* FIXME: Implement */
429 _gdk_cursor_destroy (GdkCursor *cursor)
431 GdkCursorPrivate *private;
433 g_return_if_fail (cursor != NULL);
434 g_return_if_fail (cursor->ref_count == 0);
436 private = (GdkCursorPrivate *)cursor;
437 [private->nscursor release];
443 gdk_display_supports_cursor_alpha (GdkDisplay *display)
445 g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
451 gdk_display_supports_cursor_color (GdkDisplay *display)
453 g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
459 gdk_display_get_default_cursor_size (GdkDisplay *display)
461 g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
463 /* Mac OS X doesn't have the notion of a default size */
468 gdk_display_get_maximal_cursor_size (GdkDisplay *display,
472 g_return_if_fail (GDK_IS_DISPLAY (display));
474 /* Cursor sizes in Mac OS X can be arbitrarily large */
480 gdk_cursor_get_display (GdkCursor *cursor)
482 g_return_val_if_fail (cursor != NULL, NULL);
484 return gdk_display_get_default ();
488 gdk_cursor_get_image (GdkCursor *cursor)
490 /* FIXME: Implement */
495 gdk_quartz_pixbuf_to_ns_image_libgtk_only (GdkPixbuf *pixbuf)
497 return _gdk_quartz_pixbuf_to_ns_image (pixbuf);