mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-14 04:31:09 +00:00
414 lines
10 KiB
C
414 lines
10 KiB
C
/* gdkcursor-quartz.c
|
|
*
|
|
* Copyright (C) 2005-2007 Imendio AB
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gdkdisplay.h"
|
|
#include "gdkcursor.h"
|
|
#include "gdkprivate-quartz.h"
|
|
|
|
#include "xcursors.h"
|
|
|
|
static GdkCursor *cached_xcursors[G_N_ELEMENTS (xcursors)];
|
|
|
|
static GdkCursor *
|
|
gdk_quartz_cursor_new_from_nscursor (NSCursor *nscursor,
|
|
GdkCursorType cursor_type)
|
|
{
|
|
GdkCursorPrivate *private;
|
|
GdkCursor *cursor;
|
|
|
|
private = g_new (GdkCursorPrivate, 1);
|
|
private->nscursor = nscursor;
|
|
|
|
cursor = (GdkCursor *)private;
|
|
cursor->type = cursor_type;
|
|
cursor->ref_count = 1;
|
|
|
|
return cursor;
|
|
}
|
|
|
|
static GdkCursor *
|
|
create_blank_cursor (void)
|
|
{
|
|
NSCursor *nscursor;
|
|
NSImage *nsimage;
|
|
NSSize size = { 1.0, 1.0 };
|
|
|
|
nsimage = [[NSImage alloc] initWithSize:size];
|
|
nscursor = [[NSCursor alloc] initWithImage:nsimage
|
|
hotSpot:NSMakePoint(0.0, 0.0)];
|
|
[nsimage release];
|
|
|
|
return gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_BLANK_CURSOR);
|
|
}
|
|
|
|
static gboolean
|
|
get_bit (const guchar *data,
|
|
gint width,
|
|
gint height,
|
|
gint x,
|
|
gint y)
|
|
{
|
|
gint bytes_per_line;
|
|
const guchar *src;
|
|
|
|
if (x < 0 || y < 0 || x >= width || y >= height)
|
|
return FALSE;
|
|
|
|
bytes_per_line = (width + 7) / 8;
|
|
|
|
src = &data[y * bytes_per_line];
|
|
return ((src[x / 8] >> x % 8) & 1);
|
|
}
|
|
|
|
static GdkCursor *
|
|
create_builtin_cursor (GdkCursorType cursor_type)
|
|
{
|
|
GdkCursor *cursor;
|
|
NSBitmapImageRep *bitmap_rep;
|
|
NSInteger mask_width, mask_height;
|
|
gint src_width, src_height;
|
|
gint dst_stride;
|
|
const guchar *mask_start, *src_start;
|
|
gint dx, dy;
|
|
gint x, y;
|
|
NSPoint hotspot;
|
|
NSImage *image;
|
|
NSCursor *nscursor;
|
|
|
|
if (cursor_type >= G_N_ELEMENTS (xcursors) || cursor_type < 0)
|
|
return NULL;
|
|
|
|
cursor = cached_xcursors[cursor_type];
|
|
if (cursor)
|
|
return cursor;
|
|
|
|
GDK_QUARTZ_ALLOC_POOL;
|
|
|
|
src_width = xcursors[cursor_type].width;
|
|
src_height = xcursors[cursor_type].height;
|
|
mask_width = xcursors[cursor_type+1].width;
|
|
mask_height = xcursors[cursor_type+1].height;
|
|
|
|
bitmap_rep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
|
|
pixelsWide:mask_width pixelsHigh:mask_height
|
|
bitsPerSample:8 samplesPerPixel:4
|
|
hasAlpha:YES isPlanar:NO colorSpaceName:NSDeviceRGBColorSpace
|
|
bytesPerRow:0 bitsPerPixel:0];
|
|
|
|
dst_stride = [bitmap_rep bytesPerRow];
|
|
|
|
src_start = xcursors[cursor_type].bits;
|
|
mask_start = xcursors[cursor_type+1].bits;
|
|
|
|
dx = xcursors[cursor_type+1].hotx - xcursors[cursor_type].hotx;
|
|
dy = xcursors[cursor_type+1].hoty - xcursors[cursor_type].hoty;
|
|
|
|
for (y = 0; y < mask_height; y++)
|
|
{
|
|
guchar *dst = [bitmap_rep bitmapData] + y * dst_stride;
|
|
|
|
for (x = 0; x < mask_width; x++)
|
|
{
|
|
if (get_bit (mask_start, mask_width, mask_height, x, y))
|
|
{
|
|
if (get_bit (src_start, src_width, src_height, x - dx, y - dy))
|
|
{
|
|
*dst++ = 0;
|
|
*dst++ = 0;
|
|
*dst++ = 0;
|
|
}
|
|
else
|
|
{
|
|
*dst++ = 0xff;
|
|
*dst++ = 0xff;
|
|
*dst++ = 0xff;
|
|
}
|
|
|
|
*dst++ = 0xff;
|
|
}
|
|
else
|
|
{
|
|
*dst++ = 0;
|
|
*dst++ = 0;
|
|
*dst++ = 0;
|
|
*dst++ = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
image = [[NSImage alloc] init];
|
|
[image addRepresentation:bitmap_rep];
|
|
[bitmap_rep release];
|
|
|
|
hotspot = NSMakePoint (xcursors[cursor_type+1].hotx,
|
|
xcursors[cursor_type+1].hoty);
|
|
|
|
nscursor = [[NSCursor alloc] initWithImage:image hotSpot:hotspot];
|
|
[image release];
|
|
|
|
cursor = gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_CURSOR_IS_PIXMAP);
|
|
|
|
cached_xcursors[cursor_type] = gdk_cursor_ref (cursor);
|
|
|
|
GDK_QUARTZ_RELEASE_POOL;
|
|
|
|
return cursor;
|
|
}
|
|
|
|
GdkCursor*
|
|
gdk_cursor_new_for_display (GdkDisplay *display,
|
|
GdkCursorType cursor_type)
|
|
{
|
|
NSCursor *nscursor;
|
|
|
|
g_return_val_if_fail (display == gdk_display_get_default (), NULL);
|
|
|
|
switch (cursor_type)
|
|
{
|
|
case GDK_XTERM:
|
|
nscursor = [NSCursor IBeamCursor];
|
|
break;
|
|
case GDK_SB_H_DOUBLE_ARROW:
|
|
nscursor = [NSCursor resizeLeftRightCursor];
|
|
break;
|
|
case GDK_SB_V_DOUBLE_ARROW:
|
|
nscursor = [NSCursor resizeUpDownCursor];
|
|
break;
|
|
case GDK_SB_UP_ARROW:
|
|
case GDK_BASED_ARROW_UP:
|
|
case GDK_BOTTOM_TEE:
|
|
case GDK_TOP_SIDE:
|
|
nscursor = [NSCursor resizeUpCursor];
|
|
break;
|
|
case GDK_SB_DOWN_ARROW:
|
|
case GDK_BASED_ARROW_DOWN:
|
|
case GDK_TOP_TEE:
|
|
case GDK_BOTTOM_SIDE:
|
|
nscursor = [NSCursor resizeDownCursor];
|
|
break;
|
|
case GDK_SB_LEFT_ARROW:
|
|
case GDK_RIGHT_TEE:
|
|
case GDK_LEFT_SIDE:
|
|
nscursor = [NSCursor resizeLeftCursor];
|
|
break;
|
|
case GDK_SB_RIGHT_ARROW:
|
|
case GDK_LEFT_TEE:
|
|
case GDK_RIGHT_SIDE:
|
|
nscursor = [NSCursor resizeRightCursor];
|
|
break;
|
|
case GDK_TCROSS:
|
|
case GDK_CROSS:
|
|
case GDK_CROSSHAIR:
|
|
case GDK_DIAMOND_CROSS:
|
|
nscursor = [NSCursor crosshairCursor];
|
|
break;
|
|
case GDK_HAND1:
|
|
case GDK_HAND2:
|
|
nscursor = [NSCursor pointingHandCursor];
|
|
break;
|
|
case GDK_CURSOR_IS_PIXMAP:
|
|
return NULL;
|
|
case GDK_BLANK_CURSOR:
|
|
return create_blank_cursor ();
|
|
default:
|
|
return gdk_cursor_ref (create_builtin_cursor (cursor_type));
|
|
}
|
|
|
|
[nscursor retain];
|
|
return gdk_quartz_cursor_new_from_nscursor (nscursor, cursor_type);
|
|
}
|
|
|
|
static NSImage *
|
|
_gdk_quartz_pixbuf_to_ns_image (GdkPixbuf *pixbuf)
|
|
{
|
|
NSBitmapImageRep *bitmap_rep;
|
|
NSImage *image;
|
|
gboolean has_alpha;
|
|
|
|
has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
|
|
|
|
/* Create a bitmap image rep */
|
|
bitmap_rep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
|
|
pixelsWide:gdk_pixbuf_get_width (pixbuf)
|
|
pixelsHigh:gdk_pixbuf_get_height (pixbuf)
|
|
bitsPerSample:8 samplesPerPixel:has_alpha ? 4 : 3
|
|
hasAlpha:has_alpha isPlanar:NO colorSpaceName:NSDeviceRGBColorSpace
|
|
bytesPerRow:0 bitsPerPixel:0];
|
|
|
|
{
|
|
/* Add pixel data to bitmap rep */
|
|
guchar *src, *dst;
|
|
int src_stride, dst_stride;
|
|
int x, y;
|
|
|
|
src_stride = gdk_pixbuf_get_rowstride (pixbuf);
|
|
dst_stride = [bitmap_rep bytesPerRow];
|
|
|
|
for (y = 0; y < gdk_pixbuf_get_height (pixbuf); y++)
|
|
{
|
|
src = gdk_pixbuf_get_pixels (pixbuf) + y * src_stride;
|
|
dst = [bitmap_rep bitmapData] + y * dst_stride;
|
|
|
|
for (x = 0; x < gdk_pixbuf_get_width (pixbuf); x++)
|
|
{
|
|
if (has_alpha)
|
|
{
|
|
guchar red, green, blue, alpha;
|
|
|
|
red = *src++;
|
|
green = *src++;
|
|
blue = *src++;
|
|
alpha = *src++;
|
|
|
|
*dst++ = (red * alpha) / 255;
|
|
*dst++ = (green * alpha) / 255;
|
|
*dst++ = (blue * alpha) / 255;
|
|
*dst++ = alpha;
|
|
}
|
|
else
|
|
{
|
|
*dst++ = *src++;
|
|
*dst++ = *src++;
|
|
*dst++ = *src++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
image = [[NSImage alloc] init];
|
|
[image addRepresentation:bitmap_rep];
|
|
[bitmap_rep release];
|
|
[image autorelease];
|
|
|
|
return image;
|
|
}
|
|
|
|
GdkCursor *
|
|
gdk_cursor_new_from_pixbuf (GdkDisplay *display,
|
|
GdkPixbuf *pixbuf,
|
|
gint x,
|
|
gint y)
|
|
{
|
|
NSImage *image;
|
|
NSCursor *nscursor;
|
|
GdkCursor *cursor;
|
|
gboolean has_alpha;
|
|
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
|
|
g_return_val_if_fail (0 <= x && x < gdk_pixbuf_get_width (pixbuf), NULL);
|
|
g_return_val_if_fail (0 <= y && y < gdk_pixbuf_get_height (pixbuf), NULL);
|
|
|
|
GDK_QUARTZ_ALLOC_POOL;
|
|
|
|
has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
|
|
|
|
image = _gdk_quartz_pixbuf_to_ns_image (pixbuf);
|
|
nscursor = [[NSCursor alloc] initWithImage:image hotSpot:NSMakePoint(x, y)];
|
|
|
|
cursor = gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_CURSOR_IS_PIXMAP);
|
|
|
|
GDK_QUARTZ_RELEASE_POOL;
|
|
|
|
return cursor;
|
|
}
|
|
|
|
GdkCursor*
|
|
gdk_cursor_new_from_name (GdkDisplay *display,
|
|
const gchar *name)
|
|
{
|
|
/* FIXME: Implement */
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
_gdk_cursor_destroy (GdkCursor *cursor)
|
|
{
|
|
GdkCursorPrivate *private;
|
|
|
|
g_return_if_fail (cursor != NULL);
|
|
g_return_if_fail (cursor->ref_count == 0);
|
|
|
|
private = (GdkCursorPrivate *)cursor;
|
|
[private->nscursor release];
|
|
|
|
g_free (private);
|
|
}
|
|
|
|
gboolean
|
|
gdk_display_supports_cursor_alpha (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
gdk_display_supports_cursor_color (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
guint
|
|
gdk_display_get_default_cursor_size (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
|
|
|
|
/* Mac OS X doesn't have the notion of a default size */
|
|
return 32;
|
|
}
|
|
|
|
void
|
|
gdk_display_get_maximal_cursor_size (GdkDisplay *display,
|
|
guint *width,
|
|
guint *height)
|
|
{
|
|
g_return_if_fail (GDK_IS_DISPLAY (display));
|
|
|
|
/* Cursor sizes in Mac OS X can be arbitrarily large */
|
|
*width = 65536;
|
|
*height = 65536;
|
|
}
|
|
|
|
GdkDisplay *
|
|
gdk_cursor_get_display (GdkCursor *cursor)
|
|
{
|
|
g_return_val_if_fail (cursor != NULL, NULL);
|
|
|
|
return gdk_display_get_default ();
|
|
}
|
|
|
|
GdkPixbuf *
|
|
gdk_cursor_get_image (GdkCursor *cursor)
|
|
{
|
|
/* FIXME: Implement */
|
|
return NULL;
|
|
}
|
|
|
|
NSImage *
|
|
gdk_quartz_pixbuf_to_ns_image_libgtk_only (GdkPixbuf *pixbuf)
|
|
{
|
|
return _gdk_quartz_pixbuf_to_ns_image (pixbuf);
|
|
}
|