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 "gdkcursorprivate.h"
26 #include "gdkquartzcursor.h"
27 #include "gdkprivate-quartz.h"
31 struct _GdkQuartzCursor
38 struct _GdkQuartzCursorClass
40 GdkCursorClass cursor_class;
44 static GdkCursor *cached_xcursors[G_N_ELEMENTS (xcursors)];
47 gdk_quartz_cursor_new_from_nscursor (NSCursor *nscursor,
48 GdkCursorType cursor_type)
50 GdkQuartzCursor *private;
52 private = g_object_new (GDK_TYPE_QUARTZ_CURSOR,
53 "cursor-type", cursor_type,
54 "display", _gdk_display,
56 private->nscursor = nscursor;
58 return GDK_CURSOR (private);
62 create_blank_cursor (void)
66 NSSize size = { 1.0, 1.0 };
68 nsimage = [[NSImage alloc] initWithSize:size];
69 nscursor = [[NSCursor alloc] initWithImage:nsimage
70 hotSpot:NSMakePoint(0.0, 0.0)];
73 return gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_BLANK_CURSOR);
77 get_bit (const guchar *data,
86 if (x < 0 || y < 0 || x >= width || y >= height)
89 bytes_per_line = (width + 7) / 8;
91 src = &data[y * bytes_per_line];
92 return ((src[x / 8] >> x % 8) & 1);
96 create_builtin_cursor (GdkCursorType cursor_type)
99 NSBitmapImageRep *bitmap_rep;
100 NSInteger mask_width, mask_height;
101 gint src_width, src_height;
103 const guchar *mask_start, *src_start;
110 if (cursor_type >= G_N_ELEMENTS (xcursors) || cursor_type < 0)
113 cursor = cached_xcursors[cursor_type];
117 GDK_QUARTZ_ALLOC_POOL;
119 src_width = xcursors[cursor_type].width;
120 src_height = xcursors[cursor_type].height;
121 mask_width = xcursors[cursor_type+1].width;
122 mask_height = xcursors[cursor_type+1].height;
124 bitmap_rep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
125 pixelsWide:mask_width pixelsHigh:mask_height
126 bitsPerSample:8 samplesPerPixel:4
127 hasAlpha:YES isPlanar:NO colorSpaceName:NSDeviceRGBColorSpace
128 bytesPerRow:0 bitsPerPixel:0];
130 dst_stride = [bitmap_rep bytesPerRow];
132 src_start = xcursors[cursor_type].bits;
133 mask_start = xcursors[cursor_type+1].bits;
135 dx = xcursors[cursor_type+1].hotx - xcursors[cursor_type].hotx;
136 dy = xcursors[cursor_type+1].hoty - xcursors[cursor_type].hoty;
138 for (y = 0; y < mask_height; y++)
140 guchar *dst = [bitmap_rep bitmapData] + y * dst_stride;
142 for (x = 0; x < mask_width; x++)
144 if (get_bit (mask_start, mask_width, mask_height, x, y))
146 if (get_bit (src_start, src_width, src_height, x - dx, y - dy))
171 image = [[NSImage alloc] init];
172 [image addRepresentation:bitmap_rep];
173 [bitmap_rep release];
175 hotspot = NSMakePoint (xcursors[cursor_type+1].hotx,
176 xcursors[cursor_type+1].hoty);
178 nscursor = [[NSCursor alloc] initWithImage:image hotSpot:hotspot];
181 cursor = gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_CURSOR_IS_PIXMAP);
183 cached_xcursors[cursor_type] = gdk_cursor_ref (cursor);
185 GDK_QUARTZ_RELEASE_POOL;
191 _gdk_quartz_display_get_cursor_for_type (GdkDisplay *display,
192 GdkCursorType cursor_type)
196 g_return_val_if_fail (display == gdk_display_get_default (), NULL);
201 nscursor = [NSCursor IBeamCursor];
203 case GDK_SB_H_DOUBLE_ARROW:
204 nscursor = [NSCursor resizeLeftRightCursor];
206 case GDK_SB_V_DOUBLE_ARROW:
207 nscursor = [NSCursor resizeUpDownCursor];
209 case GDK_SB_UP_ARROW:
210 case GDK_BASED_ARROW_UP:
213 nscursor = [NSCursor resizeUpCursor];
215 case GDK_SB_DOWN_ARROW:
216 case GDK_BASED_ARROW_DOWN:
218 case GDK_BOTTOM_SIDE:
219 nscursor = [NSCursor resizeDownCursor];
221 case GDK_SB_LEFT_ARROW:
224 nscursor = [NSCursor resizeLeftCursor];
226 case GDK_SB_RIGHT_ARROW:
229 nscursor = [NSCursor resizeRightCursor];
234 case GDK_DIAMOND_CROSS:
235 nscursor = [NSCursor crosshairCursor];
239 nscursor = [NSCursor pointingHandCursor];
241 case GDK_CURSOR_IS_PIXMAP:
243 case GDK_BLANK_CURSOR:
244 return create_blank_cursor ();
246 return gdk_cursor_ref (create_builtin_cursor (cursor_type));
250 return gdk_quartz_cursor_new_from_nscursor (nscursor, cursor_type);
255 _gdk_quartz_display_get_cursor_for_pixbuf (GdkDisplay *display,
265 GDK_QUARTZ_ALLOC_POOL;
267 has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
269 image = gdk_quartz_pixbuf_to_ns_image_libgtk_only (pixbuf);
270 nscursor = [[NSCursor alloc] initWithImage:image hotSpot:NSMakePoint(x, y)];
272 cursor = gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_CURSOR_IS_PIXMAP);
274 GDK_QUARTZ_RELEASE_POOL;
280 _gdk_quartz_display_get_cursor_for_name (GdkDisplay *display,
283 /* FIXME: Implement */
287 G_DEFINE_TYPE (GdkQuartzCursor, gdk_quartz_cursor, GDK_TYPE_CURSOR)
289 static GdkPixbuf *gdk_quartz_cursor_get_image (GdkCursor *cursor);
292 gdk_quartz_cursor_finalize (GObject *object)
294 GdkQuartzCursor *private = GDK_QUARTZ_CURSOR (object);
296 if (private->nscursor)
297 [private->nscursor release];
298 private->nscursor = NULL;
302 gdk_quartz_cursor_class_init (GdkQuartzCursorClass *quartz_cursor_class)
304 GdkCursorClass *cursor_class = GDK_CURSOR_CLASS (quartz_cursor_class);
305 GObjectClass *object_class = G_OBJECT_CLASS (quartz_cursor_class);
307 object_class->finalize = gdk_quartz_cursor_finalize;
309 cursor_class->get_image = gdk_quartz_cursor_get_image;
313 gdk_quartz_cursor_init (GdkQuartzCursor *cursor)
319 _gdk_quartz_display_supports_cursor_alpha (GdkDisplay *display)
325 _gdk_quartz_display_supports_cursor_color (GdkDisplay *display)
331 _gdk_quartz_display_get_default_cursor_size (GdkDisplay *display,
335 /* Mac OS X doesn't have the notion of a default size */
341 _gdk_quartz_display_get_maximal_cursor_size (GdkDisplay *display,
345 /* Cursor sizes in Mac OS X can be arbitrarily large */
351 _gdk_quartz_cursor_get_ns_cursor (GdkCursor *cursor)
353 GdkQuartzCursor *cursor_private;
356 return [NSCursor arrowCursor];
358 g_return_val_if_fail (GDK_IS_QUARTZ_CURSOR (cursor), NULL);
360 cursor_private = GDK_QUARTZ_CURSOR (cursor);
362 return cursor_private->nscursor;
366 gdk_quartz_cursor_get_image (GdkCursor *cursor)
368 /* FIXME: Implement */