2010-12-18 20:38:49 +00:00
|
|
|
/* GDK - The GIMP Drawing Kit
|
|
|
|
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
|
|
|
*
|
|
|
|
* 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
|
2012-02-27 13:01:10 +00:00
|
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
2010-12-18 20:38:49 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
|
|
|
|
* file for a list of people on the GTK+ Team. See the ChangeLog
|
|
|
|
* files for a list of changes. These files are distributed with
|
|
|
|
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include "config.h"
|
|
|
|
|
|
|
|
#define GDK_PIXBUF_ENABLE_BACKEND
|
|
|
|
|
|
|
|
#include <string.h>
|
|
|
|
|
|
|
|
#include "gdkprivate-wayland.h"
|
|
|
|
#include "gdkcursorprivate.h"
|
|
|
|
#include "gdkdisplay-wayland.h"
|
|
|
|
#include "gdkwayland.h"
|
|
|
|
#include <gdk-pixbuf/gdk-pixbuf.h>
|
|
|
|
|
2012-07-11 13:43:16 +00:00
|
|
|
#include <wayland-cursor.h>
|
2011-02-09 19:48:29 +00:00
|
|
|
|
2010-12-18 20:38:49 +00:00
|
|
|
#define GDK_TYPE_WAYLAND_CURSOR (_gdk_wayland_cursor_get_type ())
|
|
|
|
#define GDK_WAYLAND_CURSOR(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_WAYLAND_CURSOR, GdkWaylandCursor))
|
|
|
|
#define GDK_WAYLAND_CURSOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_WAYLAND_CURSOR, GdkWaylandCursorClass))
|
|
|
|
#define GDK_IS_WAYLAND_CURSOR(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_WAYLAND_CURSOR))
|
|
|
|
#define GDK_IS_WAYLAND_CURSOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WAYLAND_CURSOR))
|
|
|
|
#define GDK_WAYLAND_CURSOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WAYLAND_CURSOR, GdkWaylandCursorClass))
|
|
|
|
|
|
|
|
typedef struct _GdkWaylandCursor GdkWaylandCursor;
|
|
|
|
typedef struct _GdkWaylandCursorClass GdkWaylandCursorClass;
|
|
|
|
|
|
|
|
struct _GdkWaylandCursor
|
|
|
|
{
|
|
|
|
GdkCursor cursor;
|
|
|
|
gchar *name;
|
2013-03-26 14:19:37 +00:00
|
|
|
|
|
|
|
struct
|
|
|
|
{
|
|
|
|
int hotspot_x, hotspot_y;
|
2013-08-07 10:18:38 +00:00
|
|
|
int width, height, scale;
|
2014-02-23 18:57:24 +00:00
|
|
|
cairo_surface_t *cairo_surface;
|
2013-08-07 10:18:38 +00:00
|
|
|
} surface;
|
2013-03-26 14:19:37 +00:00
|
|
|
|
|
|
|
struct wl_cursor *wl_cursor;
|
2010-12-18 20:38:49 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
struct _GdkWaylandCursorClass
|
|
|
|
{
|
|
|
|
GdkCursorClass cursor_class;
|
|
|
|
};
|
|
|
|
|
|
|
|
G_DEFINE_TYPE (GdkWaylandCursor, _gdk_wayland_cursor, GDK_TYPE_CURSOR)
|
|
|
|
|
2013-03-21 02:34:03 +00:00
|
|
|
struct cursor_cache_key
|
|
|
|
{
|
|
|
|
GdkCursorType type;
|
|
|
|
const char *name;
|
|
|
|
};
|
|
|
|
|
|
|
|
static void
|
|
|
|
add_to_cache (GdkWaylandDisplay *display, GdkWaylandCursor *cursor)
|
|
|
|
{
|
|
|
|
display->cursor_cache = g_slist_prepend (display->cursor_cache, cursor);
|
|
|
|
|
|
|
|
g_object_ref (cursor);
|
|
|
|
}
|
|
|
|
|
|
|
|
static gint
|
|
|
|
cache_compare_func (gconstpointer listelem,
|
|
|
|
gconstpointer target)
|
|
|
|
{
|
|
|
|
GdkWaylandCursor *cursor = (GdkWaylandCursor *) listelem;
|
|
|
|
struct cursor_cache_key* key = (struct cursor_cache_key *) target;
|
|
|
|
|
|
|
|
if (cursor->cursor.type != key->type)
|
|
|
|
return 1; /* No match */
|
|
|
|
|
|
|
|
/* Elements marked as pixmap must be named cursors
|
|
|
|
* (since we don't store normal pixmap cursors
|
|
|
|
*/
|
|
|
|
if (key->type == GDK_CURSOR_IS_PIXMAP)
|
|
|
|
return strcmp (key->name, cursor->name);
|
|
|
|
|
|
|
|
return 0; /* Match */
|
|
|
|
}
|
|
|
|
|
|
|
|
static GdkWaylandCursor*
|
|
|
|
find_in_cache (GdkWaylandDisplay *display,
|
|
|
|
GdkCursorType type,
|
|
|
|
const char *name)
|
|
|
|
{
|
|
|
|
GSList* res;
|
|
|
|
struct cursor_cache_key key;
|
|
|
|
|
|
|
|
key.type = type;
|
|
|
|
key.name = name;
|
|
|
|
|
|
|
|
res = g_slist_find_custom (display->cursor_cache, &key, cache_compare_func);
|
|
|
|
|
|
|
|
if (res)
|
|
|
|
return (GdkWaylandCursor *) res->data;
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Called by gdk_wayland_display_finalize to flush any cached cursors
|
|
|
|
* for a dead display.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
_gdk_wayland_display_finalize_cursors (GdkWaylandDisplay *display)
|
|
|
|
{
|
|
|
|
g_slist_foreach (display->cursor_cache, (GFunc) g_object_unref, NULL);
|
|
|
|
g_slist_free (display->cursor_cache);
|
|
|
|
}
|
|
|
|
|
2013-03-23 00:30:51 +00:00
|
|
|
static gboolean
|
|
|
|
set_cursor_from_theme (GdkWaylandCursor *cursor, struct wl_cursor_theme *theme)
|
|
|
|
{
|
|
|
|
struct wl_cursor *c;
|
|
|
|
|
|
|
|
c = wl_cursor_theme_get_cursor (theme, cursor->name);
|
|
|
|
if (!c)
|
|
|
|
{
|
|
|
|
g_warning (G_STRLOC ": Unable to load %s from the cursor theme", cursor->name);
|
|
|
|
|
|
|
|
/* return the left_ptr cursor as a fallback */
|
|
|
|
c = wl_cursor_theme_get_cursor (theme, "left_ptr");
|
|
|
|
|
|
|
|
if (!c)
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
2013-03-26 14:19:37 +00:00
|
|
|
cursor->wl_cursor = c;
|
2013-03-23 00:30:51 +00:00
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
_gdk_wayland_display_update_cursors (GdkWaylandDisplay *display,
|
|
|
|
struct wl_cursor_theme *theme)
|
|
|
|
{
|
|
|
|
g_slist_foreach (display->cursor_cache, (GFunc) set_cursor_from_theme, theme);
|
|
|
|
}
|
|
|
|
|
2010-12-18 20:38:49 +00:00
|
|
|
static void
|
|
|
|
gdk_wayland_cursor_finalize (GObject *object)
|
|
|
|
{
|
|
|
|
GdkWaylandCursor *cursor = GDK_WAYLAND_CURSOR (object);
|
|
|
|
|
|
|
|
g_free (cursor->name);
|
2014-02-23 18:57:24 +00:00
|
|
|
if (cursor->surface.cairo_surface)
|
|
|
|
cairo_surface_destroy (cursor->surface.cairo_surface);
|
2010-12-18 20:38:49 +00:00
|
|
|
|
|
|
|
G_OBJECT_CLASS (_gdk_wayland_cursor_parent_class)->finalize (object);
|
|
|
|
}
|
|
|
|
|
2013-08-06 14:21:05 +00:00
|
|
|
static cairo_surface_t *
|
|
|
|
gdk_wayland_cursor_get_surface (GdkCursor *cursor,
|
|
|
|
gdouble *x_hot,
|
|
|
|
gdouble *y_hot)
|
2010-12-18 20:38:49 +00:00
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2011-02-09 19:48:29 +00:00
|
|
|
struct wl_buffer *
|
2012-07-11 13:43:16 +00:00
|
|
|
_gdk_wayland_cursor_get_buffer (GdkCursor *cursor,
|
2013-03-28 12:08:43 +00:00
|
|
|
guint image_index,
|
2013-03-28 14:47:03 +00:00
|
|
|
int *hotspot_x,
|
|
|
|
int *hotspot_y,
|
2012-07-11 13:43:16 +00:00
|
|
|
int *w,
|
2013-08-07 10:18:38 +00:00
|
|
|
int *h,
|
|
|
|
int *scale)
|
2011-02-09 19:48:29 +00:00
|
|
|
{
|
|
|
|
GdkWaylandCursor *wayland_cursor = GDK_WAYLAND_CURSOR (cursor);
|
|
|
|
|
2013-03-26 14:19:37 +00:00
|
|
|
if (wayland_cursor->wl_cursor)
|
|
|
|
{
|
2013-03-28 12:08:43 +00:00
|
|
|
struct wl_cursor_image *image;
|
2012-07-11 13:43:16 +00:00
|
|
|
|
2013-03-28 12:08:43 +00:00
|
|
|
if (image_index >= wayland_cursor->wl_cursor->image_count)
|
|
|
|
{
|
|
|
|
g_warning (G_STRLOC " out of bounds cursor image [%d / %d]",
|
|
|
|
image_index,
|
|
|
|
wayland_cursor->wl_cursor->image_count - 1);
|
|
|
|
image_index = 0;
|
|
|
|
}
|
2011-02-09 19:48:29 +00:00
|
|
|
|
2013-03-28 12:08:43 +00:00
|
|
|
image = wayland_cursor->wl_cursor->images[image_index];
|
|
|
|
|
2013-03-28 14:47:03 +00:00
|
|
|
*hotspot_x = image->hotspot_x;
|
|
|
|
*hotspot_y = image->hotspot_y;
|
2013-03-28 12:08:43 +00:00
|
|
|
|
|
|
|
*w = image->width;
|
|
|
|
*h = image->height;
|
2013-08-07 10:18:38 +00:00
|
|
|
*scale = 1;
|
2013-03-28 12:08:43 +00:00
|
|
|
|
|
|
|
return wl_cursor_image_get_buffer (image);
|
2013-03-26 14:19:37 +00:00
|
|
|
}
|
2013-08-07 10:18:38 +00:00
|
|
|
else /* From surface */
|
2013-03-26 14:19:37 +00:00
|
|
|
{
|
2013-08-07 10:18:38 +00:00
|
|
|
*hotspot_x = wayland_cursor->surface.hotspot_x;
|
|
|
|
*hotspot_y = wayland_cursor->surface.hotspot_y;
|
2013-03-26 14:19:37 +00:00
|
|
|
|
2013-08-07 10:18:38 +00:00
|
|
|
*w = wayland_cursor->surface.width / wayland_cursor->surface.scale;
|
|
|
|
*h = wayland_cursor->surface.height / wayland_cursor->surface.scale;
|
|
|
|
*scale = wayland_cursor->surface.scale;
|
2013-03-26 14:19:37 +00:00
|
|
|
|
2014-02-23 18:57:24 +00:00
|
|
|
if (wayland_cursor->surface.cairo_surface)
|
|
|
|
return _gdk_wayland_shm_surface_get_wl_buffer (wayland_cursor->surface.cairo_surface);
|
|
|
|
else
|
|
|
|
return NULL;
|
2013-03-26 14:19:37 +00:00
|
|
|
}
|
2011-02-09 19:48:29 +00:00
|
|
|
}
|
|
|
|
|
2013-03-28 12:08:43 +00:00
|
|
|
guint
|
|
|
|
_gdk_wayland_cursor_get_next_image_index (GdkCursor *cursor,
|
|
|
|
guint current_image_index,
|
|
|
|
guint *next_image_delay)
|
|
|
|
{
|
|
|
|
struct wl_cursor *wl_cursor = GDK_WAYLAND_CURSOR (cursor)->wl_cursor;
|
|
|
|
|
|
|
|
if (wl_cursor && wl_cursor->image_count > 1)
|
|
|
|
{
|
|
|
|
if (current_image_index >= wl_cursor->image_count)
|
|
|
|
{
|
|
|
|
g_warning (G_STRLOC " out of bounds cursor image [%d / %d]",
|
|
|
|
current_image_index, wl_cursor->image_count - 1);
|
|
|
|
current_image_index = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return the time to next image */
|
|
|
|
if (next_image_delay)
|
|
|
|
*next_image_delay = wl_cursor->images[current_image_index]->delay;
|
|
|
|
|
|
|
|
return (current_image_index + 1) % wl_cursor->image_count;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
return current_image_index;
|
|
|
|
}
|
|
|
|
|
2010-12-18 20:38:49 +00:00
|
|
|
static void
|
|
|
|
_gdk_wayland_cursor_class_init (GdkWaylandCursorClass *wayland_cursor_class)
|
|
|
|
{
|
|
|
|
GdkCursorClass *cursor_class = GDK_CURSOR_CLASS (wayland_cursor_class);
|
|
|
|
GObjectClass *object_class = G_OBJECT_CLASS (wayland_cursor_class);
|
|
|
|
|
|
|
|
object_class->finalize = gdk_wayland_cursor_finalize;
|
|
|
|
|
2013-08-06 14:21:05 +00:00
|
|
|
cursor_class->get_surface = gdk_wayland_cursor_get_surface;
|
2010-12-18 20:38:49 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
_gdk_wayland_cursor_init (GdkWaylandCursor *cursor)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2011-02-09 19:48:29 +00:00
|
|
|
GdkCursor *
|
2010-12-18 20:38:49 +00:00
|
|
|
_gdk_wayland_display_get_cursor_for_type (GdkDisplay *display,
|
|
|
|
GdkCursorType cursor_type)
|
|
|
|
{
|
2013-02-05 19:10:25 +00:00
|
|
|
GEnumClass *enum_class;
|
|
|
|
GEnumValue *enum_value;
|
|
|
|
gchar *cursor_name;
|
|
|
|
GdkCursor *result;
|
2010-12-18 20:38:49 +00:00
|
|
|
|
2013-02-05 19:10:25 +00:00
|
|
|
enum_class = g_type_class_ref (GDK_TYPE_CURSOR_TYPE);
|
|
|
|
enum_value = g_enum_get_value (enum_class, cursor_type);
|
|
|
|
cursor_name = g_strdup (enum_value->value_nick);
|
|
|
|
g_strdelimit (cursor_name, "-", '_');
|
|
|
|
g_type_class_unref (enum_class);
|
2010-12-18 20:38:49 +00:00
|
|
|
|
2013-02-05 19:10:25 +00:00
|
|
|
result = _gdk_wayland_display_get_cursor_for_name (display, cursor_name);
|
|
|
|
|
|
|
|
g_free (cursor_name);
|
2011-02-09 19:48:29 +00:00
|
|
|
|
2013-02-05 19:10:25 +00:00
|
|
|
return result;
|
2010-12-18 20:38:49 +00:00
|
|
|
}
|
|
|
|
|
2012-07-11 13:43:16 +00:00
|
|
|
GdkCursor *
|
2010-12-18 20:38:49 +00:00
|
|
|
_gdk_wayland_display_get_cursor_for_name (GdkDisplay *display,
|
|
|
|
const gchar *name)
|
|
|
|
{
|
|
|
|
GdkWaylandCursor *private;
|
2012-07-11 13:43:16 +00:00
|
|
|
GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (display);
|
2010-12-18 20:38:49 +00:00
|
|
|
|
|
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
|
|
|
2013-03-21 02:34:03 +00:00
|
|
|
private = find_in_cache (wayland_display, GDK_CURSOR_IS_PIXMAP, name);
|
|
|
|
if (private)
|
|
|
|
{
|
|
|
|
/* Cache had it, add a ref for this user */
|
|
|
|
g_object_ref (private);
|
|
|
|
|
|
|
|
return (GdkCursor*) private;
|
|
|
|
}
|
|
|
|
|
2010-12-18 20:38:49 +00:00
|
|
|
private = g_object_new (GDK_TYPE_WAYLAND_CURSOR,
|
|
|
|
"cursor-type", GDK_CURSOR_IS_PIXMAP,
|
|
|
|
"display", display,
|
|
|
|
NULL);
|
|
|
|
private->name = g_strdup (name);
|
2013-08-11 18:53:14 +00:00
|
|
|
private->surface.scale = 1;
|
2010-12-18 20:38:49 +00:00
|
|
|
|
2012-07-11 13:43:16 +00:00
|
|
|
/* Blank cursor case */
|
2013-02-05 19:10:25 +00:00
|
|
|
if (!name || g_str_equal (name, "blank_cursor"))
|
2012-07-11 13:43:16 +00:00
|
|
|
return GDK_CURSOR (private);
|
|
|
|
|
2013-03-23 00:30:51 +00:00
|
|
|
if (!set_cursor_from_theme (private, wayland_display->cursor_theme))
|
|
|
|
return GDK_CURSOR (private);
|
2012-07-11 13:43:16 +00:00
|
|
|
|
2013-03-21 02:34:03 +00:00
|
|
|
add_to_cache (wayland_display, private);
|
|
|
|
|
2010-12-18 20:38:49 +00:00
|
|
|
return GDK_CURSOR (private);
|
|
|
|
}
|
|
|
|
|
|
|
|
GdkCursor *
|
2013-08-07 10:18:38 +00:00
|
|
|
_gdk_wayland_display_get_cursor_for_surface (GdkDisplay *display,
|
|
|
|
cairo_surface_t *surface,
|
|
|
|
gdouble x,
|
|
|
|
gdouble y)
|
2010-12-18 20:38:49 +00:00
|
|
|
{
|
2013-03-21 20:05:32 +00:00
|
|
|
GdkWaylandCursor *cursor;
|
|
|
|
GdkWaylandDisplay *wayland_display = GDK_WAYLAND_DISPLAY (display);
|
2013-08-07 10:18:38 +00:00
|
|
|
cairo_t *cr;
|
2010-12-18 20:38:49 +00:00
|
|
|
|
2013-03-21 20:05:32 +00:00
|
|
|
cursor = g_object_new (GDK_TYPE_WAYLAND_CURSOR,
|
|
|
|
"cursor-type", GDK_CURSOR_IS_PIXMAP,
|
|
|
|
"display", wayland_display,
|
|
|
|
NULL);
|
|
|
|
cursor->name = NULL;
|
2013-08-07 10:18:38 +00:00
|
|
|
cursor->surface.hotspot_x = x;
|
|
|
|
cursor->surface.hotspot_y = y;
|
2010-12-18 20:38:49 +00:00
|
|
|
|
2013-08-07 10:18:38 +00:00
|
|
|
cursor->surface.scale = 1;
|
|
|
|
|
|
|
|
if (surface)
|
2013-03-21 20:05:32 +00:00
|
|
|
{
|
2013-08-07 10:18:38 +00:00
|
|
|
#ifdef HAVE_CAIRO_SURFACE_SET_DEVICE_SCALE
|
|
|
|
{
|
|
|
|
double sx, sy;
|
|
|
|
cairo_surface_get_device_scale (surface, &sx, &sy);
|
|
|
|
cursor->surface.scale = (int)sx;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
cursor->surface.width = cairo_image_surface_get_width (surface);
|
|
|
|
cursor->surface.height = cairo_image_surface_get_height (surface);
|
2013-03-21 20:05:32 +00:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2013-08-07 10:18:38 +00:00
|
|
|
cursor->surface.width = 1;
|
|
|
|
cursor->surface.height = 1;
|
2013-03-21 20:05:32 +00:00
|
|
|
}
|
2010-12-18 20:38:49 +00:00
|
|
|
|
2014-02-23 18:57:24 +00:00
|
|
|
cursor->surface.cairo_surface = _gdk_wayland_display_create_shm_surface (wayland_display,
|
|
|
|
cursor->surface.width,
|
|
|
|
cursor->surface.height,
|
|
|
|
cursor->surface.scale);
|
2013-08-07 10:18:38 +00:00
|
|
|
if (surface)
|
|
|
|
{
|
2014-02-23 18:57:24 +00:00
|
|
|
cr = cairo_create (cursor->surface.cairo_surface);
|
2013-08-07 10:18:38 +00:00
|
|
|
cairo_set_source_surface (cr, surface, 0, 0);
|
|
|
|
cairo_paint (cr);
|
|
|
|
cairo_destroy (cr);
|
|
|
|
}
|
2013-03-21 20:05:32 +00:00
|
|
|
|
|
|
|
return GDK_CURSOR (cursor);
|
2010-12-18 20:38:49 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
_gdk_wayland_display_get_default_cursor_size (GdkDisplay *display,
|
|
|
|
guint *width,
|
|
|
|
guint *height)
|
|
|
|
{
|
2012-07-11 13:43:16 +00:00
|
|
|
*width = 32;
|
|
|
|
*height = 32;
|
2010-12-18 20:38:49 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
_gdk_wayland_display_get_maximal_cursor_size (GdkDisplay *display,
|
|
|
|
guint *width,
|
|
|
|
guint *height)
|
|
|
|
{
|
|
|
|
*width = 256;
|
|
|
|
*height = 256;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
_gdk_wayland_display_supports_cursor_alpha (GdkDisplay *display)
|
|
|
|
{
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
gboolean
|
|
|
|
_gdk_wayland_display_supports_cursor_color (GdkDisplay *display)
|
|
|
|
{
|
|
|
|
return TRUE;
|
|
|
|
}
|