* 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.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* 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/.
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "gdkcursor.h"
+#include "gdkcursorprivate.h"
#include "gdkprivate-broadway.h"
#include "gdkdisplay-broadway.h"
-#include "gdkx.h"
-#include <X11/Xlib.h>
-#include <X11/cursorfont.h>
-#ifdef HAVE_XCURSOR
-#include <X11/Xcursor/Xcursor.h>
-#endif
-#ifdef HAVE_XFIXES
-#include <X11/extensions/Xfixes.h>
-#endif
#include <string.h>
#include <errno.h>
-
-static guint theme_serial = 0;
-
-/* cursor_cache holds a cache of non-pixmap cursors to avoid expensive
- * libXcursor searches, cursors are added to it but only removed when
- * their display is closed. We make the assumption that since there are
- * a small number of display's and a small number of cursor's that this
- * list will stay small enough not to be a problem.
- */
-static GSList* cursor_cache = NULL;
-
-struct cursor_cache_key
+struct _GdkBroadwayCursor
{
- GdkDisplay* display;
- GdkCursorType type;
- const char* name;
+ GdkCursor cursor;
};
-/* Caller should check if there is already a match first.
- * Cursor MUST be either a typed cursor or a pixmap with
- * a non-NULL name.
- */
-static void
-add_to_cache (GdkCursorPrivate* cursor)
-{
- cursor_cache = g_slist_prepend (cursor_cache, cursor);
-
- /* Take a ref so that if the caller frees it we still have it */
- gdk_cursor_ref ((GdkCursor*) cursor);
-}
-
-/* Returns 0 on a match
- */
-static gint
-cache_compare_func (gconstpointer listelem,
- gconstpointer target)
-{
- GdkCursorPrivate* cursor = (GdkCursorPrivate*)listelem;
- struct cursor_cache_key* key = (struct cursor_cache_key*)target;
-
- if ((cursor->cursor.type != key->type) ||
- (cursor->display != key->display))
- 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 */
-}
-
-/* Returns the cursor if there is a match, NULL if not
- * For named cursors type shall be GDK_CURSOR_IS_PIXMAP
- * For unnamed, typed cursors, name shall be NULL
- */
-static GdkCursorPrivate*
-find_in_cache (GdkDisplay *display,
- GdkCursorType type,
- const char *name)
-{
- GSList* res;
- struct cursor_cache_key key;
-
- key.display = display;
- key.type = type;
- key.name = name;
-
- res = g_slist_find_custom (cursor_cache, &key, cache_compare_func);
-
- if (res)
- return (GdkCursorPrivate *) res->data;
-
- return NULL;
-}
-
-/* Called by gdk_display_x11_finalize to flush any cached cursors
- * for a dead display.
- */
-void
-_gdk_x11_cursor_display_finalize (GdkDisplay *display)
-{
- GSList* item;
- GSList** itemp; /* Pointer to the thing to fix when we delete an item */
- item = cursor_cache;
- itemp = &cursor_cache;
- while (item)
- {
- GdkCursorPrivate* cursor = (GdkCursorPrivate*)(item->data);
- if (cursor->display == display)
- {
- GSList* olditem;
- gdk_cursor_unref ((GdkCursor*) cursor);
- /* Remove this item from the list */
- *(itemp) = item->next;
- olditem = item;
- item = g_slist_next (item);
- g_slist_free_1 (olditem);
- }
- else
- {
- itemp = &(item->next);
- item = g_slist_next (item);
- }
- }
-}
-
-static Cursor
-get_blank_cursor (GdkDisplay *display)
+struct _GdkBroadwayCursorClass
{
- GdkScreen *screen;
- Pixmap pixmap;
- XColor color;
- Cursor cursor;
- cairo_surface_t *surface;
- cairo_t *cr;
+ GdkCursorClass cursor_class;
+};
- screen = gdk_display_get_default_screen (display);
- surface = _gdk_x11_window_create_bitmap_surface (gdk_screen_get_root_window (screen), 1, 1);
- /* Clear surface */
- cr = cairo_create (surface);
- cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
- cairo_paint (cr);
- cairo_destroy (cr);
-
- pixmap = cairo_xlib_surface_get_drawable (surface);
+/*** GdkBroadwayCursor ***/
- color.pixel = 0;
- color.red = color.blue = color.green = 0;
-
- if (display->closed)
- cursor = None;
- else
- cursor = XCreatePixmapCursor (GDK_DISPLAY_XDISPLAY (display),
- pixmap, pixmap,
- &color, &color, 1, 1);
- cairo_surface_destroy (surface);
+G_DEFINE_TYPE (GdkBroadwayCursor, gdk_broadway_cursor, GDK_TYPE_CURSOR)
- return cursor;
-}
+static GdkPixbuf* gdk_broadway_cursor_get_image (GdkCursor *cursor);
-/**
- * gdk_cursor_new_for_display:
- * @display: the #GdkDisplay for which the cursor will be created
- * @cursor_type: cursor to create
- *
- * Creates a new cursor from the set of builtin cursors.
- * Some useful ones are:
- * <itemizedlist>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="right_ptr.png"></inlinegraphic> #GDK_RIGHT_PTR (right-facing arrow)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="crosshair.png"></inlinegraphic> #GDK_CROSSHAIR (crosshair)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="xterm.png"></inlinegraphic> #GDK_XTERM (I-beam)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="watch.png"></inlinegraphic> #GDK_WATCH (busy)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="fleur.png"></inlinegraphic> #GDK_FLEUR (for moving objects)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="hand1.png"></inlinegraphic> #GDK_HAND1 (a right-pointing hand)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="hand2.png"></inlinegraphic> #GDK_HAND2 (a left-pointing hand)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="left_side.png"></inlinegraphic> #GDK_LEFT_SIDE (resize left side)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="right_side.png"></inlinegraphic> #GDK_RIGHT_SIDE (resize right side)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="top_left_corner.png"></inlinegraphic> #GDK_TOP_LEFT_CORNER (resize northwest corner)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="top_right_corner.png"></inlinegraphic> #GDK_TOP_RIGHT_CORNER (resize northeast corner)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="bottom_left_corner.png"></inlinegraphic> #GDK_BOTTOM_LEFT_CORNER (resize southwest corner)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="bottom_right_corner.png"></inlinegraphic> #GDK_BOTTOM_RIGHT_CORNER (resize southeast corner)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="top_side.png"></inlinegraphic> #GDK_TOP_SIDE (resize top side)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="bottom_side.png"></inlinegraphic> #GDK_BOTTOM_SIDE (resize bottom side)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="sb_h_double_arrow.png"></inlinegraphic> #GDK_SB_H_DOUBLE_ARROW (move vertical splitter)
- * </para></listitem>
- * <listitem><para>
- * <inlinegraphic format="PNG" fileref="sb_v_double_arrow.png"></inlinegraphic> #GDK_SB_V_DOUBLE_ARROW (move horizontal splitter)
- * </para></listitem>
- * <listitem><para>
- * #GDK_BLANK_CURSOR (Blank cursor). Since 2.16
- * </para></listitem>
- * </itemizedlist>
- *
- * Return value: a new #GdkCursor
- *
- * Since: 2.2
- **/
-GdkCursor*
-gdk_cursor_new_for_display (GdkDisplay *display,
- GdkCursorType cursor_type)
+static void
+gdk_broadway_cursor_finalize (GObject *object)
{
- GdkCursorPrivate *private;
- GdkCursor *cursor;
- Cursor xcursor;
-
- g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
-
- if (display->closed)
- {
- xcursor = None;
- }
- else
- {
- private = find_in_cache (display, cursor_type, NULL);
-
- if (private)
- {
- /* Cache had it, add a ref for this user */
- gdk_cursor_ref ((GdkCursor*) private);
-
- return (GdkCursor*) private;
- }
- else
- {
- if (cursor_type != GDK_BLANK_CURSOR)
- xcursor = XCreateFontCursor (GDK_DISPLAY_XDISPLAY (display),
- cursor_type);
- else
- xcursor = get_blank_cursor (display);
- }
- }
-
- private = g_new (GdkCursorPrivate, 1);
- private->display = display;
- private->xcursor = xcursor;
- private->name = NULL;
- private->serial = theme_serial;
-
- cursor = (GdkCursor *) private;
- cursor->type = cursor_type;
- cursor->ref_count = 1;
-
- if (xcursor != None)
- add_to_cache (private);
-
- return cursor;
+ G_OBJECT_CLASS (gdk_broadway_cursor_parent_class)->finalize (object);
}
-void
-_gdk_cursor_destroy (GdkCursor *cursor)
+static void
+gdk_broadway_cursor_class_init (GdkBroadwayCursorClass *xcursor_class)
{
- GdkCursorPrivate *private;
-
- g_return_if_fail (cursor != NULL);
- g_return_if_fail (cursor->ref_count == 0);
+ GdkCursorClass *cursor_class = GDK_CURSOR_CLASS (xcursor_class);
+ GObjectClass *object_class = G_OBJECT_CLASS (xcursor_class);
- private = (GdkCursorPrivate *) cursor;
- if (!private->display->closed && private->xcursor)
- XFreeCursor (GDK_DISPLAY_XDISPLAY (private->display), private->xcursor);
+ object_class->finalize = gdk_broadway_cursor_finalize;
- g_free (private->name);
- g_free (private);
+ cursor_class->get_image = gdk_broadway_cursor_get_image;
}
-/**
- * gdk_x11_cursor_get_xdisplay:
- * @cursor: a #GdkCursor.
- *
- * Returns the display of a #GdkCursor.
- *
- * Return value: an Xlib <type>Display*</type>.
- **/
-Display *
-gdk_x11_cursor_get_xdisplay (GdkCursor *cursor)
-{
- g_return_val_if_fail (cursor != NULL, NULL);
-
- return GDK_DISPLAY_XDISPLAY(((GdkCursorPrivate *)cursor)->display);
-}
-
-/**
- * gdk_x11_cursor_get_xcursor:
- * @cursor: a #GdkCursor.
- *
- * Returns the X cursor belonging to a #GdkCursor.
- *
- * Return value: an Xlib <type>Cursor</type>.
- **/
-Cursor
-gdk_x11_cursor_get_xcursor (GdkCursor *cursor)
-{
- g_return_val_if_fail (cursor != NULL, None);
-
- return ((GdkCursorPrivate *)cursor)->xcursor;
-}
-
-/**
- * gdk_cursor_get_display:
- * @cursor: a #GdkCursor.
- *
- * Returns the display on which the #GdkCursor is defined.
- *
- * Returns: the #GdkDisplay associated to @cursor
- *
- * Since: 2.2
- */
-
-GdkDisplay *
-gdk_cursor_get_display (GdkCursor *cursor)
+static void
+gdk_broadway_cursor_init (GdkBroadwayCursor *cursor)
{
- g_return_val_if_fail (cursor != NULL, NULL);
-
- return ((GdkCursorPrivate *)cursor)->display;
}
-#if defined(HAVE_XCURSOR) && defined(HAVE_XFIXES) && XFIXES_MAJOR >= 2
-
-/**
- * gdk_cursor_get_image:
- * @cursor: a #GdkCursor
- *
- * Returns a #GdkPixbuf with the image used to display the cursor.
- *
- * Note that depending on the capabilities of the windowing system and
- * on the cursor, GDK may not be able to obtain the image data. In this
- * case, %NULL is returned.
- *
- * Returns: a #GdkPixbuf representing @cursor, or %NULL
- *
- * Since: 2.8
+/* Called by gdk_display_broadway_finalize to flush any cached cursors
+ * for a dead display.
*/
-GdkPixbuf*
-gdk_cursor_get_image (GdkCursor *cursor)
-{
- Display *xdisplay;
- GdkCursorPrivate *private;
- XcursorImages *images = NULL;
- XcursorImage *image;
- gint size;
- gchar buf[32];
- guchar *data, *p, tmp;
- GdkPixbuf *pixbuf;
- gchar *theme;
-
- g_return_val_if_fail (cursor != NULL, NULL);
-
- private = (GdkCursorPrivate *) cursor;
-
- xdisplay = GDK_DISPLAY_XDISPLAY (private->display);
-
- size = XcursorGetDefaultSize (xdisplay);
- theme = XcursorGetTheme (xdisplay);
-
- if (cursor->type == GDK_CURSOR_IS_PIXMAP)
- {
- if (private->name)
- images = XcursorLibraryLoadImages (private->name, theme, size);
- }
- else
- images = XcursorShapeLoadImages (cursor->type, theme, size);
-
- if (!images)
- return NULL;
-
- image = images->images[0];
-
- data = g_malloc (4 * image->width * image->height);
- memcpy (data, image->pixels, 4 * image->width * image->height);
-
- for (p = data; p < data + (4 * image->width * image->height); p += 4)
- {
- tmp = p[0];
- p[0] = p[2];
- p[2] = tmp;
- }
-
- pixbuf = gdk_pixbuf_new_from_data (data, GDK_COLORSPACE_RGB, TRUE,
- 8, image->width, image->height,
- 4 * image->width,
- (GdkPixbufDestroyNotify)g_free, NULL);
-
- if (private->name)
- gdk_pixbuf_set_option (pixbuf, "name", private->name);
- g_snprintf (buf, 32, "%d", image->xhot);
- gdk_pixbuf_set_option (pixbuf, "x_hot", buf);
- g_snprintf (buf, 32, "%d", image->yhot);
- gdk_pixbuf_set_option (pixbuf, "y_hot", buf);
-
- XcursorImagesDestroy (images);
-
- return pixbuf;
-}
-
void
-_gdk_x11_cursor_update_theme (GdkCursor *cursor)
+_gdk_broadway_cursor_display_finalize (GdkDisplay *display)
{
- Display *xdisplay;
- GdkCursorPrivate *private;
- Cursor new_cursor = None;
- GdkDisplayX11 *display_x11;
-
- private = (GdkCursorPrivate *) cursor;
- xdisplay = GDK_DISPLAY_XDISPLAY (private->display);
- display_x11 = GDK_DISPLAY_X11 (private->display);
-
- if (!display_x11->have_xfixes)
- return;
-
- if (private->serial == theme_serial)
- return;
-
- private->serial = theme_serial;
-
- if (private->xcursor != None)
- {
- if (cursor->type == GDK_BLANK_CURSOR)
- return;
-
- if (cursor->type == GDK_CURSOR_IS_PIXMAP)
- {
- if (private->name)
- new_cursor = XcursorLibraryLoadCursor (xdisplay, private->name);
- }
- else
- new_cursor = XcursorShapeLoadCursor (xdisplay, cursor->type);
-
- if (new_cursor != None)
- {
- XFixesChangeCursor (xdisplay, new_cursor, private->xcursor);
- private->xcursor = new_cursor;
- }
- }
}
-static void
-update_cursor (gpointer data,
- gpointer user_data)
-{
- GdkCursor *cursor;
-
- cursor = (GdkCursor*)(data);
-
- if (!cursor)
- return;
-
- _gdk_x11_cursor_update_theme (cursor);
-}
-
-/**
- * gdk_x11_display_set_cursor_theme:
- * @display: a #GdkDisplay
- * @theme: the name of the cursor theme to use, or %NULL to unset
- * a previously set value
- * @size: the cursor size to use, or 0 to keep the previous size
- *
- * Sets the cursor theme from which the images for cursor
- * should be taken.
- *
- * If the windowing system supports it, existing cursors created
- * with gdk_cursor_new(), gdk_cursor_new_for_display() and
- * gdk_cursor_new_for_name() are updated to reflect the theme
- * change. Custom cursors constructed with
- * gdk_cursor_new_from_pixbuf() will have to be handled
- * by the application (GTK+ applications can learn about
- * cursor theme changes by listening for change notification
- * for the corresponding #GtkSetting).
- *
- * Since: 2.8
- */
-void
-gdk_x11_display_set_cursor_theme (GdkDisplay *display,
- const gchar *theme,
- const gint size)
+GdkCursor*
+_gdk_broadway_display_get_cursor_for_type (GdkDisplay *display,
+ GdkCursorType cursor_type)
{
- GdkDisplayX11 *display_x11;
- Display *xdisplay;
- gchar *old_theme;
- gint old_size;
+ GdkBroadwayCursor *private;
- g_return_if_fail (GDK_IS_DISPLAY (display));
-
- display_x11 = GDK_DISPLAY_X11 (display);
- xdisplay = GDK_DISPLAY_XDISPLAY (display);
-
- old_theme = XcursorGetTheme (xdisplay);
- old_size = XcursorGetDefaultSize (xdisplay);
-
- if (old_size == size &&
- (old_theme == theme ||
- (old_theme && theme && strcmp (old_theme, theme) == 0)))
- return;
+ g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
- theme_serial++;
+ private = g_object_new (GDK_TYPE_BROADWAY_CURSOR,
+ "cursor-type", cursor_type,
+ "display", display,
+ NULL);
- XcursorSetTheme (xdisplay, theme);
- if (size > 0)
- XcursorSetDefaultSize (xdisplay, size);
-
- g_slist_foreach (cursor_cache, update_cursor, NULL);
+ return GDK_CURSOR (private);
}
-#else
-
-GdkPixbuf*
-gdk_cursor_get_image (GdkCursor *cursor)
+static GdkPixbuf*
+gdk_broadway_cursor_get_image (GdkCursor *cursor)
{
g_return_val_if_fail (cursor != NULL, NULL);
-
- return NULL;
-}
-void
-gdk_x11_display_set_cursor_theme (GdkDisplay *display,
- const gchar *theme,
- const gint size)
-{
- g_return_if_fail (GDK_IS_DISPLAY (display));
+ return NULL;
}
void
-_gdk_x11_cursor_update_theme (GdkCursor *cursor)
+_gdk_broadway_cursor_update_theme (GdkCursor *cursor)
{
g_return_if_fail (cursor != NULL);
}
-#endif
-
-#ifdef HAVE_XCURSOR
-
-static XcursorImage*
-create_cursor_image (GdkPixbuf *pixbuf,
- gint x,
- gint y)
-{
- guint width, height;
- XcursorImage *xcimage;
- cairo_surface_t *surface;
- cairo_t *cr;
-
- width = gdk_pixbuf_get_width (pixbuf);
- height = gdk_pixbuf_get_height (pixbuf);
-
- xcimage = XcursorImageCreate (width, height);
-
- xcimage->xhot = x;
- xcimage->yhot = y;
-
- surface = cairo_image_surface_create_for_data ((guchar *) xcimage->pixels,
- CAIRO_FORMAT_ARGB32,
- width,
- height,
- width * 4);
-
- cr = cairo_create (surface);
- cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
- gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
- cairo_paint (cr);
- cairo_destroy (cr);
-
- cairo_surface_destroy (surface);
-
- return xcimage;
-}
-
-
-/**
- * gdk_cursor_new_from_pixbuf:
- * @display: the #GdkDisplay for which the cursor will be created
- * @pixbuf: the #GdkPixbuf containing the cursor image
- * @x: the horizontal offset of the 'hotspot' of the cursor.
- * @y: the vertical offset of the 'hotspot' of the cursor.
- *
- * Creates a new cursor from a pixbuf.
- *
- * Not all GDK backends support RGBA cursors. If they are not
- * supported, a monochrome approximation will be displayed.
- * The functions gdk_display_supports_cursor_alpha() and
- * gdk_display_supports_cursor_color() can be used to determine
- * whether RGBA cursors are supported;
- * gdk_display_get_default_cursor_size() and
- * gdk_display_get_maximal_cursor_size() give information about
- * cursor sizes.
- *
- * If @x or @y are <literal>-1</literal>, the pixbuf must have
- * options named "x_hot" and "y_hot", resp., containing
- * integer values between %0 and the width resp. height of
- * the pixbuf. (Since: 3.0)
- *
- * On the X backend, support for RGBA cursors requires a
- * sufficently new version of the X Render extension.
- *
- * Returns: a new #GdkCursor.
- *
- * Since: 2.4
- */
GdkCursor *
-gdk_cursor_new_from_pixbuf (GdkDisplay *display,
- GdkPixbuf *pixbuf,
- gint x,
- gint y)
-{
- XcursorImage *xcimage;
- Cursor xcursor;
- GdkCursorPrivate *private;
- GdkCursor *cursor;
- const char *option;
- char *end;
- gint64 value;
-
- g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
- g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
-
- if (x == -1 && (option = gdk_pixbuf_get_option (pixbuf, "x_hot")))
- {
- errno = 0;
- end = NULL;
- value = g_ascii_strtoll (option, &end, 10);
- if (errno == 0 &&
- end != option &&
- value >= 0 && value < G_MAXINT)
- x = (gint) value;
- }
- if (y == -1 && (option = gdk_pixbuf_get_option (pixbuf, "y_hot")))
- {
- errno = 0;
- end = NULL;
- value = g_ascii_strtoll (option, &end, 10);
- if (errno == 0 &&
- end != option &&
- value >= 0 && value < G_MAXINT)
- y = (gint) value;
- }
-
- 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);
-
- if (display->closed)
- xcursor = None;
- else
- {
- xcimage = create_cursor_image (pixbuf, x, y);
- xcursor = XcursorImageLoadCursor (GDK_DISPLAY_XDISPLAY (display), xcimage);
- XcursorImageDestroy (xcimage);
- }
-
- private = g_new (GdkCursorPrivate, 1);
- private->display = display;
- private->xcursor = xcursor;
- private->name = NULL;
- private->serial = theme_serial;
-
- cursor = (GdkCursor *) private;
- cursor->type = GDK_CURSOR_IS_PIXMAP;
- cursor->ref_count = 1;
-
- return cursor;
-}
-
-/**
- * gdk_cursor_new_from_name:
- * @display: the #GdkDisplay for which the cursor will be created
- * @name: the name of the cursor
- *
- * Creates a new cursor by looking up @name in the current cursor
- * theme.
- *
- * Returns: a new #GdkCursor, or %NULL if there is no cursor with
- * the given name
- *
- * Since: 2.8
- */
-GdkCursor*
-gdk_cursor_new_from_name (GdkDisplay *display,
- const gchar *name)
+_gdk_broadway_display_get_cursor_for_pixbuf (GdkDisplay *display,
+ GdkPixbuf *pixbuf,
+ gint x,
+ gint y)
{
- Cursor xcursor;
- Display *xdisplay;
- GdkCursorPrivate *private;
+ GdkBroadwayCursor *private;
GdkCursor *cursor;
- g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
-
- if (display->closed)
- xcursor = None;
- else
- {
- private = find_in_cache (display, GDK_CURSOR_IS_PIXMAP, name);
-
- if (private)
- {
- /* Cache had it, add a ref for this user */
- gdk_cursor_ref ((GdkCursor*) private);
-
- return (GdkCursor*) private;
- }
-
- xdisplay = GDK_DISPLAY_XDISPLAY (display);
- xcursor = XcursorLibraryLoadCursor (xdisplay, name);
- if (xcursor == None)
- return NULL;
- }
-
- private = g_new (GdkCursorPrivate, 1);
- private->display = display;
- private->xcursor = xcursor;
- private->name = g_strdup (name);
- private->serial = theme_serial;
-
+ private = g_object_new (GDK_TYPE_BROADWAY_CURSOR,
+ "cursor-type", GDK_CURSOR_IS_PIXMAP,
+ "display", display,
+ NULL);
cursor = (GdkCursor *) private;
- cursor->type = GDK_CURSOR_IS_PIXMAP;
- cursor->ref_count = 1;
- add_to_cache (private);
return cursor;
}
-/**
- * gdk_display_supports_cursor_alpha:
- * @display: a #GdkDisplay
- *
- * Returns %TRUE if cursors can use an 8bit alpha channel
- * on @display. Otherwise, cursors are restricted to bilevel
- * alpha (i.e. a mask).
- *
- * Returns: whether cursors can have alpha channels.
- *
- * Since: 2.4
- */
-gboolean
-gdk_display_supports_cursor_alpha (GdkDisplay *display)
+GdkCursor*
+_gdk_broadway_display_get_cursor_for_name (GdkDisplay *display,
+ const gchar *name)
{
- g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
+ GdkBroadwayCursor *private;
- return XcursorSupportsARGB (GDK_DISPLAY_XDISPLAY (display));
-}
+ private = g_object_new (GDK_TYPE_BROADWAY_CURSOR,
+ "cursor-type", GDK_CURSOR_IS_PIXMAP,
+ "display", display,
+ NULL);
-/**
- * gdk_display_supports_cursor_color:
- * @display: a #GdkDisplay
- *
- * Returns %TRUE if multicolored cursors are supported
- * on @display. Otherwise, cursors have only a forground
- * and a background color.
- *
- * Returns: whether cursors can have multiple colors.
- *
- * Since: 2.4
- */
-gboolean
-gdk_display_supports_cursor_color (GdkDisplay *display)
-{
- g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
-
- return XcursorSupportsARGB (GDK_DISPLAY_XDISPLAY (display));
+ return GDK_CURSOR (private);
}
-/**
- * gdk_display_get_default_cursor_size:
- * @display: a #GdkDisplay
- *
- * Returns the default size to use for cursors on @display.
- *
- * Returns: the default cursor size.
- *
- * Since: 2.4
- */
-guint
-gdk_display_get_default_cursor_size (GdkDisplay *display)
+gboolean
+_gdk_broadway_display_supports_cursor_alpha (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
- return XcursorGetDefaultSize (GDK_DISPLAY_XDISPLAY (display));
-}
-
-#else
-
-static GdkCursor*
-gdk_cursor_new_from_pixmap (GdkDisplay *display,
- Pixmap source_pixmap,
- Pixmap mask_pixmap,
- const GdkColor *fg,
- const GdkColor *bg,
- gint x,
- gint y)
-{
- GdkCursorPrivate *private;
- GdkCursor *cursor;
- Cursor xcursor;
- XColor xfg, xbg;
-
- g_return_val_if_fail (fg != NULL, NULL);
- g_return_val_if_fail (bg != NULL, NULL);
-
- xfg.pixel = fg->pixel;
- xfg.red = fg->red;
- xfg.blue = fg->blue;
- xfg.green = fg->green;
- xbg.pixel = bg->pixel;
- xbg.red = bg->red;
- xbg.blue = bg->blue;
- xbg.green = bg->green;
-
- if (display->closed)
- xcursor = None;
- else
- xcursor = XCreatePixmapCursor (GDK_DISPLAY_XDISPLAY (display),
- source_pixmap, mask_pixmap, &xfg, &xbg, x, y);
- private = g_new (GdkCursorPrivate, 1);
- private->display = display;
- private->xcursor = xcursor;
- private->name = NULL;
- private->serial = theme_serial;
-
- cursor = (GdkCursor *) private;
- cursor->type = GDK_CURSOR_IS_PIXMAP;
- cursor->ref_count = 1;
-
- return cursor;
+ return TRUE;
}
-GdkCursor *
-gdk_cursor_new_from_pixbuf (GdkDisplay *display,
- GdkPixbuf *pixbuf,
- gint x,
- gint y)
-{
- GdkCursor *cursor;
- cairo_surface_t *pixmap, *mask;
- guint width, height, n_channels, rowstride, data_stride, i, j;
- guint8 *data, *mask_data, *pixels;
- GdkColor fg = { 0, 0, 0, 0 };
- GdkColor bg = { 0, 0xffff, 0xffff, 0xffff };
- GdkScreen *screen;
- cairo_surface_t *image;
- cairo_t *cr;
-
- g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
- g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
-
- width = gdk_pixbuf_get_width (pixbuf);
- height = gdk_pixbuf_get_height (pixbuf);
-
- g_return_val_if_fail (0 <= x && x < width, NULL);
- g_return_val_if_fail (0 <= y && y < height, NULL);
-
- n_channels = gdk_pixbuf_get_n_channels (pixbuf);
- rowstride = gdk_pixbuf_get_rowstride (pixbuf);
- pixels = gdk_pixbuf_get_pixels (pixbuf);
-
- data_stride = 4 * ((width + 31) / 32);
- data = g_new0 (guint8, data_stride * height);
- mask_data = g_new0 (guint8, data_stride * height);
-
- for (j = 0; j < height; j++)
- {
- guint8 *src = pixels + j * rowstride;
- guint8 *d = data + data_stride * j;
- guint8 *md = mask_data + data_stride * j;
-
- for (i = 0; i < width; i++)
- {
- if (src[1] < 0x80)
- *d |= 1 << (i % 8);
-
- if (n_channels == 3 || src[3] >= 0x80)
- *md |= 1 << (i % 8);
-
- src += n_channels;
- if (i % 8 == 7)
- {
- d++;
- md++;
- }
- }
- }
-
- screen = gdk_display_get_default_screen (display);
-
- pixmap = _gdk_x11_window_create_bitmap_surface (gdk_screen_get_root_window (screen),
- width, height);
- cr = cairo_create (pixmap);
- image = cairo_image_surface_create_for_data (data, CAIRO_FORMAT_A1,
- width, height, data_stride);
- cairo_set_source_surface (cr, image, 0, 0);
- cairo_surface_destroy (image);
- cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
- cairo_paint (cr);
- cairo_destroy (cr);
-
- mask = _gdk_x11_window_create_bitmap_surface (gdk_screen_get_root_window (screen),
- width, height);
- cr = cairo_create (mask);
- image = cairo_image_surface_create_for_data (mask_data, CAIRO_FORMAT_A1,
- width, height, data_stride);
- cairo_set_source_surface (cr, image, 0, 0);
- cairo_surface_destroy (image);
- cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
- cairo_paint (cr);
- cairo_destroy (cr);
-
- cursor = gdk_cursor_new_from_pixmap (display,
- cairo_xlib_surface_get_drawable (pixmap),
- cairo_xlib_surface_get_drawable (mask),
- &fg, &bg,
- x, y);
-
- cairo_surface_destroy (pixmap);
- cairo_surface_destroy (mask);
-
- g_free (data);
- g_free (mask_data);
-
- return cursor;
-}
-
-GdkCursor*
-gdk_cursor_new_from_name (GdkDisplay *display,
- const gchar *name)
-{
- g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
-
- return NULL;
-}
-
-gboolean
-gdk_display_supports_cursor_alpha (GdkDisplay *display)
+gboolean
+_gdk_broadway_display_supports_cursor_color (GdkDisplay *display)
{
g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
- return FALSE;
+ return TRUE;
}
-gboolean
-gdk_display_supports_cursor_color (GdkDisplay *display)
+void
+_gdk_broadway_display_get_default_cursor_size (GdkDisplay *display,
+ guint *width,
+ guint *height)
{
- g_return_val_if_fail (GDK_IS_DISPLAY (display), FALSE);
+ g_return_if_fail (GDK_IS_DISPLAY (display));
- return FALSE;
+ *width = *height = 20;
}
-guint
-gdk_display_get_default_cursor_size (GdkDisplay *display)
-{
- g_return_val_if_fail (GDK_IS_DISPLAY (display), 0);
-
- /* no idea, really */
- return 20;
-}
-
-#endif
-
-
-/**
- * gdk_display_get_maximal_cursor_size:
- * @display: a #GdkDisplay
- * @width: (out): the return location for the maximal cursor width
- * @height: (out): the return location for the maximal cursor height
- *
- * Gets the maximal size to use for cursors on @display.
- *
- * Since: 2.4
- */
-void
-gdk_display_get_maximal_cursor_size (GdkDisplay *display,
- guint *width,
- guint *height)
+void
+_gdk_broadway_display_get_maximal_cursor_size (GdkDisplay *display,
+ guint *width,
+ guint *height)
{
- GdkScreen *screen;
- GdkWindow *window;
-
g_return_if_fail (GDK_IS_DISPLAY (display));
-
- screen = gdk_display_get_default_screen (display);
- window = gdk_screen_get_root_window (screen);
- XQueryBestCursor (GDK_DISPLAY_XDISPLAY (display),
- GDK_WINDOW_XWINDOW (window),
- 128, 128, width, height);
+
+ *width = 128;
+ *height = 128;
}
projects / ~andy / gtk / blobdiff