mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-10 19:00:08 +00:00
64c5b97be8
gdkcursor-quartz.c uses the instancetype keyword, which doesn't seem to be supported in the version of Objective C that Snow Leopard uses. Replacing that keyword with the thing it represents makes it build. Patch by Ryan Hendrickson, http://bugzilla.gnome.org/show_bug.cgi?id=756770
499 lines
13 KiB
C
499 lines
13 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gdkdisplay.h"
|
|
#include "gdkcursor.h"
|
|
#include "gdkcursorprivate.h"
|
|
#include "gdkquartzcursor.h"
|
|
#include "gdkprivate-quartz.h"
|
|
|
|
#include "xcursors.h"
|
|
|
|
struct _GdkQuartzCursor
|
|
{
|
|
GdkCursor cursor;
|
|
|
|
NSCursor *nscursor;
|
|
};
|
|
|
|
struct _GdkQuartzCursorClass
|
|
{
|
|
GdkCursorClass cursor_class;
|
|
};
|
|
|
|
|
|
static GdkCursor *cached_xcursors[G_N_ELEMENTS (xcursors)];
|
|
|
|
static GdkCursor *
|
|
gdk_quartz_cursor_new_from_nscursor (NSCursor *nscursor,
|
|
GdkCursorType cursor_type)
|
|
{
|
|
GdkQuartzCursor *private;
|
|
|
|
private = g_object_new (GDK_TYPE_QUARTZ_CURSOR,
|
|
"cursor-type", cursor_type,
|
|
"display", _gdk_display,
|
|
NULL);
|
|
private->nscursor = nscursor;
|
|
|
|
return GDK_CURSOR (private);
|
|
}
|
|
|
|
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] = g_object_ref (cursor);
|
|
|
|
GDK_QUARTZ_RELEASE_POOL;
|
|
|
|
return cursor;
|
|
}
|
|
|
|
GdkCursor*
|
|
_gdk_quartz_display_get_cursor_for_type (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 g_object_ref (create_builtin_cursor (cursor_type));
|
|
}
|
|
|
|
[nscursor retain];
|
|
return gdk_quartz_cursor_new_from_nscursor (nscursor, cursor_type);
|
|
}
|
|
|
|
|
|
GdkCursor *
|
|
_gdk_quartz_display_get_cursor_for_surface (GdkDisplay *display,
|
|
cairo_surface_t *surface,
|
|
gdouble x,
|
|
gdouble y)
|
|
{
|
|
NSImage *image;
|
|
NSCursor *nscursor;
|
|
GdkCursor *cursor;
|
|
GdkPixbuf *pixbuf;
|
|
|
|
GDK_QUARTZ_ALLOC_POOL;
|
|
|
|
pixbuf = gdk_pixbuf_get_from_surface (surface, 0, 0,
|
|
cairo_image_surface_get_width (surface),
|
|
cairo_image_surface_get_height (surface));
|
|
image = gdk_quartz_pixbuf_to_ns_image_libgtk_only (pixbuf);
|
|
nscursor = [[NSCursor alloc] initWithImage:image hotSpot:NSMakePoint(x, y)];
|
|
|
|
cursor = gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_CURSOR_IS_PIXMAP);
|
|
|
|
g_object_unref (pixbuf);
|
|
|
|
GDK_QUARTZ_RELEASE_POOL;
|
|
|
|
return cursor;
|
|
}
|
|
|
|
/* OS X only exports a number of cursor types in its public NSCursor interface.
|
|
* By overriding the private _coreCursorType method, we can tell OS X to load
|
|
* one of its internal cursors instead (since cursor images are loaded on demand
|
|
* instead of in advance). WebKit does this too.
|
|
*/
|
|
|
|
@interface gdkCoreCursor : NSCursor {
|
|
@private
|
|
int type;
|
|
BOOL override;
|
|
}
|
|
@end
|
|
|
|
@implementation gdkCoreCursor
|
|
|
|
- (int)_coreCursorType
|
|
{
|
|
if (self->override)
|
|
return self->type;
|
|
return [super _coreCursorType];
|
|
}
|
|
|
|
#define CUSTOM_CURSOR_CTOR(name, id) \
|
|
+ (gdkCoreCursor *)name \
|
|
{ \
|
|
gdkCoreCursor *obj; \
|
|
obj = [self new]; \
|
|
if (obj) { \
|
|
obj->override = YES; \
|
|
obj->type = id; \
|
|
} \
|
|
return obj; \
|
|
}
|
|
CUSTOM_CURSOR_CTOR(gdkHelpCursor, 40)
|
|
CUSTOM_CURSOR_CTOR(gdkProgressCursor, 4)
|
|
/* TODO OS X doesn't seem to have a way to get this. There is an undocumented
|
|
* method +[NSCursor _waitCursor], but it doesn't actually return this cursor,
|
|
* but rather some odd low-quality non-animating version of this cursor. Use
|
|
* the progress cursor instead for now.
|
|
*/
|
|
CUSTOM_CURSOR_CTOR(gdkWaitCursor, 4)
|
|
CUSTOM_CURSOR_CTOR(gdkAliasCursor, 2)
|
|
CUSTOM_CURSOR_CTOR(gdkMoveCursor, 39)
|
|
/* TODO OS X doesn't seem to provide one; copy the move cursor for now
|
|
* since it looks similar to what we want. */
|
|
CUSTOM_CURSOR_CTOR(gdkAllScrollCursor, 39)
|
|
CUSTOM_CURSOR_CTOR(gdkNEResizeCursor, 29)
|
|
CUSTOM_CURSOR_CTOR(gdkNWResizeCursor, 33)
|
|
CUSTOM_CURSOR_CTOR(gdkSEResizeCursor, 35)
|
|
CUSTOM_CURSOR_CTOR(gdkSWResizeCursor, 37)
|
|
CUSTOM_CURSOR_CTOR(gdkEWResizeCursor, 28)
|
|
CUSTOM_CURSOR_CTOR(gdkNSResizeCursor, 32)
|
|
CUSTOM_CURSOR_CTOR(gdkNESWResizeCursor, 30)
|
|
CUSTOM_CURSOR_CTOR(gdkNWSEResizeCursor, 34)
|
|
CUSTOM_CURSOR_CTOR(gdkZoomInCursor, 42)
|
|
CUSTOM_CURSOR_CTOR(gdkZoomOutCursor, 43)
|
|
|
|
@end
|
|
|
|
struct CursorsByName {
|
|
const gchar *name;
|
|
NSString *selector;
|
|
};
|
|
|
|
static const struct CursorsByName cursors_by_name[] = {
|
|
/* Link & Status */
|
|
{ "context-menu", @"contextualMenuCursor" },
|
|
{ "help", @"gdkHelpCursor" },
|
|
{ "pointer", @"pointingHandCursor" },
|
|
{ "progress", @"gdkProgressCursor" },
|
|
{ "wait", @"gdkWaitCursor" },
|
|
/* Selection */
|
|
{ "cell", @"crosshairCursor" },
|
|
{ "crosshair", @"crosshairCursor" },
|
|
{ "text", @"IBeamCursor" },
|
|
{ "vertical-text", @"IBeamCursorForVerticalLayout" },
|
|
/* Drag & Drop */
|
|
{ "alias", @"gdkAliasCursor" },
|
|
{ "copy", @"dragCopyCursor" },
|
|
{ "move", @"gdkMoveCursor" },
|
|
{ "no-drop", @"operationNotAllowedCursor" },
|
|
{ "not-allowed", @"operationNotAllowedCursor" },
|
|
{ "grab", @"openHandCursor" },
|
|
{ "grabbing", @"closedHandCursor" },
|
|
/* Resize & Scrolling */
|
|
{ "all-scroll", @"gdkAllScrollCursor" },
|
|
{ "col-resize", @"resizeLeftRightCursor" },
|
|
{ "row-resize", @"resizeUpDownCursor" },
|
|
{ "n-resize", @"resizeUpCursor" },
|
|
{ "e-resize", @"resizeRightCursor" },
|
|
{ "s-resize", @"resizeDownCursor" },
|
|
{ "w-resize", @"resizeLeftCursor" },
|
|
{ "ne-resize", @"gdkNEResizeCursor" },
|
|
{ "nw-resize", @"gdkNWResizeCursor" },
|
|
{ "se-resize", @"gdkSEResizeCursor" },
|
|
{ "sw-resize", @"gdkSWResizeCursor" },
|
|
{ "ew-resize", @"gdkEWResizeCursor" },
|
|
{ "ns-resize", @"gdkNSResizeCursor" },
|
|
{ "nesw-resize", @"gdkNESWResizeCursor" },
|
|
{ "nwse-resize", @"gdkNWSEResizeCursor" },
|
|
/* Zoom */
|
|
{ "zoom-in", @"gdkZoomInCursor" },
|
|
{ "zoom-out", @"gdkZoomOutCursor" },
|
|
{ NULL, NULL },
|
|
};
|
|
|
|
GdkCursor*
|
|
_gdk_quartz_display_get_cursor_for_name (GdkDisplay *display,
|
|
const gchar *name)
|
|
{
|
|
NSCursor *nscursor;
|
|
const struct CursorsByName *test;
|
|
SEL selector;
|
|
|
|
if (name == NULL || g_str_equal (name, "none"))
|
|
return create_blank_cursor ();
|
|
|
|
// use this selector if nothing found
|
|
selector = @selector(arrowCursor);
|
|
for (test = cursors_by_name; test->name != NULL; test++)
|
|
if (g_str_equal (name, test->name))
|
|
{
|
|
selector = NSSelectorFromString(test->selector);
|
|
break;
|
|
}
|
|
nscursor = [[gdkCoreCursor class] performSelector:selector];
|
|
|
|
[nscursor retain];
|
|
return gdk_quartz_cursor_new_from_nscursor (nscursor, GDK_CURSOR_IS_PIXMAP);
|
|
}
|
|
|
|
G_DEFINE_TYPE (GdkQuartzCursor, gdk_quartz_cursor, GDK_TYPE_CURSOR)
|
|
|
|
static cairo_surface_t *gdk_quartz_cursor_get_surface (GdkCursor *cursor,
|
|
gdouble *x_hot,
|
|
gdouble *y_hot);
|
|
|
|
static void
|
|
gdk_quartz_cursor_finalize (GObject *object)
|
|
{
|
|
GdkQuartzCursor *private = GDK_QUARTZ_CURSOR (object);
|
|
|
|
if (private->nscursor)
|
|
[private->nscursor release];
|
|
private->nscursor = NULL;
|
|
}
|
|
|
|
static void
|
|
gdk_quartz_cursor_class_init (GdkQuartzCursorClass *quartz_cursor_class)
|
|
{
|
|
GdkCursorClass *cursor_class = GDK_CURSOR_CLASS (quartz_cursor_class);
|
|
GObjectClass *object_class = G_OBJECT_CLASS (quartz_cursor_class);
|
|
|
|
object_class->finalize = gdk_quartz_cursor_finalize;
|
|
|
|
cursor_class->get_surface = gdk_quartz_cursor_get_surface;
|
|
}
|
|
|
|
static void
|
|
gdk_quartz_cursor_init (GdkQuartzCursor *cursor)
|
|
{
|
|
}
|
|
|
|
|
|
gboolean
|
|
_gdk_quartz_display_supports_cursor_alpha (GdkDisplay *display)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
gboolean
|
|
_gdk_quartz_display_supports_cursor_color (GdkDisplay *display)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
_gdk_quartz_display_get_default_cursor_size (GdkDisplay *display,
|
|
guint *width,
|
|
guint *height)
|
|
{
|
|
/* Mac OS X doesn't have the notion of a default size */
|
|
*width = 32;
|
|
*height = 32;
|
|
}
|
|
|
|
void
|
|
_gdk_quartz_display_get_maximal_cursor_size (GdkDisplay *display,
|
|
guint *width,
|
|
guint *height)
|
|
{
|
|
/* Cursor sizes in Mac OS X can be arbitrarily large */
|
|
*width = 65536;
|
|
*height = 65536;
|
|
}
|
|
|
|
NSCursor *
|
|
_gdk_quartz_cursor_get_ns_cursor (GdkCursor *cursor)
|
|
{
|
|
GdkQuartzCursor *cursor_private;
|
|
|
|
if (!cursor)
|
|
return [NSCursor arrowCursor];
|
|
|
|
g_return_val_if_fail (GDK_IS_QUARTZ_CURSOR (cursor), NULL);
|
|
|
|
cursor_private = GDK_QUARTZ_CURSOR (cursor);
|
|
|
|
return cursor_private->nscursor;
|
|
}
|
|
|
|
static cairo_surface_t *
|
|
gdk_quartz_cursor_get_surface (GdkCursor *cursor,
|
|
gdouble *x_hot,
|
|
gdouble *y_hot)
|
|
{
|
|
/* FIXME: Implement */
|
|
return NULL;
|
|
}
|