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, see <http://www.gnu.org/licenses/>.
21 #include "gdkdisplay.h"
22 #include "gdkcursor.h"
23 #include "gdkcursorprivate.h"
24 #include "gdkquartzcursor.h"
25 #include "gdkprivate-quartz.h"
29 struct _GdkQuartzCursor
36 struct _GdkQuartzCursorClass
38 GdkCursorClass cursor_class;
42 static GdkCursor *cached_xcursors[G_N_ELEMENTS (xcursors)];
45 gdk_quartz_cursor_new_from_nscursor (NSCursor *nscursor,
46 GdkCursorType cursor_type)
48 GdkQuartzCursor *private;
50 private = g_object_new (GDK_TYPE_QUARTZ_CURSOR,
51 "cursor-type", cursor_type,
52 "display", _gdk_display,
54 private->nscursor = nscursor;
56 return GDK_CURSOR (private);
60 create_blank_cursor (void)
64 NSSize size = { 1.0, 1.0 };
66 nsimage = [[NSImage alloc] initWithSize:size];
67 nscursor = [[NSCursor alloc] initWithImage:nsimage
68 hotSpot:NSMakePoint(0.0, 0.0)];
71 return gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_BLANK_CURSOR);
75 get_bit (const guchar *data,
84 if (x < 0 || y < 0 || x >= width || y >= height)
87 bytes_per_line = (width + 7) / 8;
89 src = &data[y * bytes_per_line];
90 return ((src[x / 8] >> x % 8) & 1);
94 create_builtin_cursor (GdkCursorType cursor_type)
97 NSBitmapImageRep *bitmap_rep;
98 NSInteger mask_width, mask_height;
99 gint src_width, src_height;
101 const guchar *mask_start, *src_start;
108 if (cursor_type >= G_N_ELEMENTS (xcursors) || cursor_type < 0)
111 cursor = cached_xcursors[cursor_type];
115 GDK_QUARTZ_ALLOC_POOL;
117 src_width = xcursors[cursor_type].width;
118 src_height = xcursors[cursor_type].height;
119 mask_width = xcursors[cursor_type+1].width;
120 mask_height = xcursors[cursor_type+1].height;
122 bitmap_rep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
123 pixelsWide:mask_width pixelsHigh:mask_height
124 bitsPerSample:8 samplesPerPixel:4
125 hasAlpha:YES isPlanar:NO colorSpaceName:NSDeviceRGBColorSpace
126 bytesPerRow:0 bitsPerPixel:0];
128 dst_stride = [bitmap_rep bytesPerRow];
130 src_start = xcursors[cursor_type].bits;
131 mask_start = xcursors[cursor_type+1].bits;
133 dx = xcursors[cursor_type+1].hotx - xcursors[cursor_type].hotx;
134 dy = xcursors[cursor_type+1].hoty - xcursors[cursor_type].hoty;
136 for (y = 0; y < mask_height; y++)
138 guchar *dst = [bitmap_rep bitmapData] + y * dst_stride;
140 for (x = 0; x < mask_width; x++)
142 if (get_bit (mask_start, mask_width, mask_height, x, y))
144 if (get_bit (src_start, src_width, src_height, x - dx, y - dy))
169 image = [[NSImage alloc] init];
170 [image addRepresentation:bitmap_rep];
171 [bitmap_rep release];
173 hotspot = NSMakePoint (xcursors[cursor_type+1].hotx,
174 xcursors[cursor_type+1].hoty);
176 nscursor = [[NSCursor alloc] initWithImage:image hotSpot:hotspot];
179 cursor = gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_CURSOR_IS_PIXMAP);
181 cached_xcursors[cursor_type] = g_object_ref (cursor);
183 GDK_QUARTZ_RELEASE_POOL;
189 _gdk_quartz_display_get_cursor_for_type (GdkDisplay *display,
190 GdkCursorType cursor_type)
194 g_return_val_if_fail (display == gdk_display_get_default (), NULL);
199 nscursor = [NSCursor IBeamCursor];
201 case GDK_SB_H_DOUBLE_ARROW:
202 nscursor = [NSCursor resizeLeftRightCursor];
204 case GDK_SB_V_DOUBLE_ARROW:
205 nscursor = [NSCursor resizeUpDownCursor];
207 case GDK_SB_UP_ARROW:
208 case GDK_BASED_ARROW_UP:
211 nscursor = [NSCursor resizeUpCursor];
213 case GDK_SB_DOWN_ARROW:
214 case GDK_BASED_ARROW_DOWN:
216 case GDK_BOTTOM_SIDE:
217 nscursor = [NSCursor resizeDownCursor];
219 case GDK_SB_LEFT_ARROW:
222 nscursor = [NSCursor resizeLeftCursor];
224 case GDK_SB_RIGHT_ARROW:
227 nscursor = [NSCursor resizeRightCursor];
232 case GDK_DIAMOND_CROSS:
233 nscursor = [NSCursor crosshairCursor];
237 nscursor = [NSCursor pointingHandCursor];
239 case GDK_CURSOR_IS_PIXMAP:
241 case GDK_BLANK_CURSOR:
242 return create_blank_cursor ();
244 return g_object_ref (create_builtin_cursor (cursor_type));
248 return gdk_quartz_cursor_new_from_nscursor (nscursor, cursor_type);
253 _gdk_quartz_display_get_cursor_for_pixbuf (GdkDisplay *display,
263 GDK_QUARTZ_ALLOC_POOL;
265 has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
267 image = gdk_quartz_pixbuf_to_ns_image_libgtk_only (pixbuf);
268 nscursor = [[NSCursor alloc] initWithImage:image hotSpot:NSMakePoint(x, y)];
270 cursor = gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_CURSOR_IS_PIXMAP);
272 GDK_QUARTZ_RELEASE_POOL;
278 _gdk_quartz_display_get_cursor_for_name (GdkDisplay *display,
281 /* FIXME: Implement */
285 G_DEFINE_TYPE (GdkQuartzCursor, gdk_quartz_cursor, GDK_TYPE_CURSOR)
287 static GdkPixbuf *gdk_quartz_cursor_get_image (GdkCursor *cursor);
290 gdk_quartz_cursor_finalize (GObject *object)
292 GdkQuartzCursor *private = GDK_QUARTZ_CURSOR (object);
294 if (private->nscursor)
295 [private->nscursor release];
296 private->nscursor = NULL;
300 gdk_quartz_cursor_class_init (GdkQuartzCursorClass *quartz_cursor_class)
302 GdkCursorClass *cursor_class = GDK_CURSOR_CLASS (quartz_cursor_class);
303 GObjectClass *object_class = G_OBJECT_CLASS (quartz_cursor_class);
305 object_class->finalize = gdk_quartz_cursor_finalize;
307 cursor_class->get_image = gdk_quartz_cursor_get_image;
311 gdk_quartz_cursor_init (GdkQuartzCursor *cursor)
317 _gdk_quartz_display_supports_cursor_alpha (GdkDisplay *display)
323 _gdk_quartz_display_supports_cursor_color (GdkDisplay *display)
329 _gdk_quartz_display_get_default_cursor_size (GdkDisplay *display,
333 /* Mac OS X doesn't have the notion of a default size */
339 _gdk_quartz_display_get_maximal_cursor_size (GdkDisplay *display,
343 /* Cursor sizes in Mac OS X can be arbitrarily large */
349 _gdk_quartz_cursor_get_ns_cursor (GdkCursor *cursor)
351 GdkQuartzCursor *cursor_private;
354 return [NSCursor arrowCursor];
356 g_return_val_if_fail (GDK_IS_QUARTZ_CURSOR (cursor), NULL);
358 cursor_private = GDK_QUARTZ_CURSOR (cursor);
360 return cursor_private->nscursor;
364 gdk_quartz_cursor_get_image (GdkCursor *cursor)
366 /* FIXME: Implement */