<TITLE>GdkScreen</TITLE>
GdkScreen
gdk_screen_get_default
-gdk_screen_get_system_visual
-gdk_screen_get_rgba_visual
gdk_screen_get_root_window
gdk_screen_get_display
gdk_screen_get_number
-gdk_screen_list_visuals
gdk_screen_get_toplevel_windows
gdk_screen_get_n_monitors
gdk_screen_get_primary_monitor
guint keycode);
void _gdk_broadway_screen_events_init (GdkScreen *screen);
-GdkVisual *_gdk_broadway_screen_get_system_visual (GdkScreen * screen);
-GList *_gdk_broadway_screen_list_visuals (GdkScreen *screen);
void _gdk_broadway_screen_size_changed (GdkScreen *screen,
BroadwayInputScreenResizeNotify *msg);
G_OBJECT_CLASS (gdk_broadway_screen_parent_class)->finalize (object);
}
-static GdkVisual *
-gdk_broadway_screen_get_rgba_visual (GdkScreen *screen)
-{
- GdkBroadwayScreen *broadway_screen = GDK_BROADWAY_SCREEN (screen);
-
- return broadway_screen->rgba_visual;
-}
-
GdkScreen *
_gdk_broadway_screen_new (GdkDisplay *display,
gint screen_number)
screen_class->get_display = gdk_broadway_screen_get_display;
screen_class->get_root_window = gdk_broadway_screen_get_root_window;
screen_class->get_setting = gdk_broadway_screen_get_setting;
- screen_class->get_rgba_visual = gdk_broadway_screen_get_rgba_visual;
- screen_class->get_system_visual = _gdk_broadway_screen_get_system_visual;
- screen_class->list_visuals = _gdk_broadway_screen_list_visuals;
}
broadway_screen->nvisuals = nvisuals;
}
-GdkVisual *
-_gdk_broadway_screen_get_system_visual (GdkScreen * screen)
-{
- g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
-
- return ((GdkVisual *) GDK_BROADWAY_SCREEN (screen)->system_visual);
-}
-
-GList *
-_gdk_broadway_screen_list_visuals (GdkScreen *screen)
-{
- GList *list;
- GdkBroadwayScreen *broadway_screen;
- guint i;
-
- g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
- broadway_screen = GDK_BROADWAY_SCREEN (screen);
-
- list = NULL;
-
- for (i = 0; i < broadway_screen->nvisuals; ++i)
- list = g_list_append (list, broadway_screen->visuals[i]);
-
- return list;
-}
* combines several physical monitors (see gdk_screen_get_n_monitors()).
*
* GdkScreen is used throughout GDK and GTK+ to specify which screen
- * the top level windows are to be displayed on. it is also used to
- * query the screen specification and default settings such as
- * the default visual (gdk_screen_get_system_visual()), the dimensions
- * of the physical monitors (gdk_screen_get_monitor_geometry()), etc.
+ * the top level windows are to be displayed on.
*/
return GDK_SCREEN_GET_CLASS (screen)->get_root_window (screen);
}
-/**
- * gdk_screen_list_visuals:
- * @screen: the relevant #GdkScreen.
- *
- * Lists the available visuals for the specified @screen.
- * A visual describes a hardware image data format.
- * For example, a visual might support 24-bit color, or 8-bit color,
- * and might expect pixels to be in a certain format.
- *
- * Call g_list_free() on the return value when you’re finished with it.
- *
- * Returns: (transfer container) (element-type GdkVisual):
- * a list of visuals; the list must be freed, but not its contents
- *
- * Since: 2.2
- **/
-GList *
-gdk_screen_list_visuals (GdkScreen *screen)
-{
- g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
-
- return GDK_SCREEN_GET_CLASS (screen)->list_visuals (screen);
-}
-
-/**
- * gdk_screen_get_system_visual:
- * @screen: a #GdkScreen.
- *
- * Get the system’s default visual for @screen.
- * This is the visual for the root window of the display.
- * The return value should not be freed.
- *
- * Returns: (transfer none): the system visual
- *
- * Since: 2.2
- **/
-GdkVisual *
-gdk_screen_get_system_visual (GdkScreen * screen)
-{
- g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
-
- return GDK_SCREEN_GET_CLASS (screen)->get_system_visual (screen);
-}
-
-/**
- * gdk_screen_get_rgba_visual:
- * @screen: a #GdkScreen
- *
- * Gets a visual to use for creating windows with an alpha channel.
- * The windowing system on which GTK+ is running
- * may not support this capability, in which case %NULL will
- * be returned. Even if a non-%NULL value is returned, its
- * possible that the window’s alpha channel won’t be honored
- * when displaying the window on the screen: in particular, for
- * X an appropriate windowing manager and compositing manager
- * must be running to provide appropriate display.
- *
- * This functionality is not implemented in the Windows backend.
- *
- * For setting an overall opacity for a top-level window, see
- * gdk_window_set_opacity().
- *
- * Returns: (nullable) (transfer none): a visual to use for windows
- * with an alpha channel or %NULL if the capability is not
- * available.
- *
- * Since: 2.8
- **/
-GdkVisual *
-gdk_screen_get_rgba_visual (GdkScreen *screen)
-{
- g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
-
- return GDK_SCREEN_GET_CLASS (screen)->get_rgba_visual (screen);
-}
-
/**
* gdk_screen_get_setting:
* @screen: the #GdkScreen where the setting is located
GDK_AVAILABLE_IN_ALL
GType gdk_screen_get_type (void) G_GNUC_CONST;
-GDK_AVAILABLE_IN_ALL
-GdkVisual * gdk_screen_get_system_visual (GdkScreen *screen);
-GDK_AVAILABLE_IN_ALL
-GdkVisual * gdk_screen_get_rgba_visual (GdkScreen *screen);
-
GDK_AVAILABLE_IN_ALL
GdkWindow * gdk_screen_get_root_window (GdkScreen *screen);
GDK_AVAILABLE_IN_ALL
GdkDisplay * gdk_screen_get_display (GdkScreen *screen);
-GDK_AVAILABLE_IN_ALL
-GList * gdk_screen_list_visuals (GdkScreen *screen);
GDK_AVAILABLE_IN_ALL
GList * gdk_screen_get_toplevel_windows (GdkScreen *screen);
void (* get_monitor_workarea) (GdkScreen *screen,
gint monitor_num,
GdkRectangle *dest);
- GList * (* list_visuals) (GdkScreen *screen);
- GdkVisual * (* get_system_visual) (GdkScreen *screen);
- GdkVisual * (* get_rgba_visual) (GdkScreen *screen);
gboolean (* get_setting) (GdkScreen *screen,
const gchar *name,
GValue *value);
* with alpha, or use gtk_widget_set_opacity() to set an overall opacity
* for your widgets.
*
- * For child windows this function only works for non-native windows.
- *
- * For setting up per-pixel alpha topelevels, see gdk_screen_get_rgba_visual().
- *
* Support for non-toplevel windows was added in 3.8.
*
* Since: 2.12
gdk_mir_screen_get_monitor_geometry (screen, monitor_num, dest);
}
-static GList *
-gdk_mir_screen_list_visuals (GdkScreen *screen)
-{
- //g_printerr ("gdk_mir_screen_list_visuals\n");
- return g_list_append (NULL, GDK_MIR_SCREEN (screen)->visual);
-}
-
-static GdkVisual *
-gdk_mir_screen_get_system_visual (GdkScreen *screen)
-{
- //g_printerr ("gdk_mir_screen_get_system_visual\n");
- return GDK_MIR_SCREEN (screen)->visual;
-}
-
-static GdkVisual *
-gdk_mir_screen_get_rgba_visual (GdkScreen *screen)
-{
- //g_printerr ("gdk_mir_screen_get_rgba_visual\n");
- return GDK_MIR_SCREEN (screen)->visual;
-}
-
static gboolean
gdk_mir_screen_get_setting (GdkScreen *screen,
const gchar *name,
screen_class->get_monitor_plug_name = gdk_mir_screen_get_monitor_plug_name;
screen_class->get_monitor_geometry = gdk_mir_screen_get_monitor_geometry;
screen_class->get_monitor_workarea = gdk_mir_screen_get_monitor_workarea;
- screen_class->list_visuals = gdk_mir_screen_list_visuals;
- screen_class->get_system_visual = gdk_mir_screen_get_system_visual;
- screen_class->get_rgba_visual = gdk_mir_screen_get_rgba_visual;
screen_class->get_setting = gdk_mir_screen_get_setting;
screen_class->get_monitor_scale_factor = gdk_mir_screen_get_monitor_scale_factor;
}
void _gdk_quartz_screen_update_window_sizes (GdkScreen *screen);
/* Screen methods - visual */
-GdkVisual * _gdk_quartz_screen_get_rgba_visual (GdkScreen *screen);
-GdkVisual * _gdk_quartz_screen_get_system_visual (GdkScreen *screen);
void _gdk_quartz_screen_init_visuals (GdkScreen *screen);
-GList * _gdk_quartz_screen_list_visuals (GdkScreen *screen);
/* Screen methods - events */
gboolean _gdk_quartz_screen_get_setting (GdkScreen *screen,
screen_class->get_monitor_geometry = gdk_quartz_screen_get_monitor_geometry;
screen_class->get_monitor_workarea = gdk_quartz_screen_get_monitor_workarea;
screen_class->get_setting = _gdk_quartz_screen_get_setting;
- screen_class->get_rgba_visual = _gdk_quartz_screen_get_rgba_visual;
- screen_class->get_system_visual = _gdk_quartz_screen_get_system_visual;
- screen_class->list_visuals = _gdk_quartz_screen_list_visuals;
screen_class->get_monitor_scale_factor = _gdk_quartz_screen_get_monitor_scale_factor;
}
{
}
-GdkVisual *
-_gdk_quartz_screen_get_rgba_visual (GdkScreen *screen)
-{
- return rgba_visual;
-}
-
-GdkVisual*
-_gdk_quartz_screen_get_system_visual (GdkScreen *screen)
-{
- return system_visual;
-}
-
void
_gdk_quartz_screen_init_visuals (GdkScreen *screen)
{
gray_visual = create_gray_visual (screen);
}
-GList*
-_gdk_quartz_screen_list_visuals (GdkScreen *screen)
-{
- GList *visuals = NULL;
-
- visuals = g_list_append (visuals, system_visual);
- visuals = g_list_append (visuals, rgba_visual);
- visuals = g_list_append (visuals, gray_visual);
-
- return visuals;
-}
return GDK_WAYLAND_SCREEN (screen)->root_window;
}
-static GdkVisual *
-gdk_wayland_screen_get_system_visual (GdkScreen * screen)
-{
- return (GdkVisual *) GDK_WAYLAND_SCREEN (screen)->visual;
-}
-
-static GdkVisual *
-gdk_wayland_screen_get_rgba_visual (GdkScreen *screen)
-{
- return (GdkVisual *) GDK_WAYLAND_SCREEN (screen)->visual;
-}
-
static void
notify_setting (GdkScreen *screen,
const gchar *setting)
{
}
-static GList *
-gdk_wayland_screen_list_visuals (GdkScreen *screen)
-{
- GList *list;
- GdkWaylandScreen *screen_wayland;
-
- g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
- screen_wayland = GDK_WAYLAND_SCREEN (screen);
-
- list = g_list_append (NULL, screen_wayland->visual);
-
- return list;
-}
-
#define GDK_TYPE_WAYLAND_VISUAL (_gdk_wayland_visual_get_type ())
#define GDK_WAYLAND_VISUAL(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_WAYLAND_VISUAL, GdkWaylandVisual))
screen_class->get_display = gdk_wayland_screen_get_display;
screen_class->get_root_window = gdk_wayland_screen_get_root_window;
- screen_class->get_system_visual = gdk_wayland_screen_get_system_visual;
- screen_class->get_rgba_visual = gdk_wayland_screen_get_rgba_visual;
screen_class->get_setting = gdk_wayland_screen_get_setting;
- screen_class->list_visuals = gdk_wayland_screen_list_visuals;
}
static void
win32_display = GDK_WIN32_DISPLAY (_gdk_display);
win32_display->screen = g_object_new (GDK_TYPE_WIN32_SCREEN, NULL);
- if (gdk_screen_get_rgba_visual (win32_display->screen) == NULL)
- gdk_display_set_rgba (_gdk_display, FALSE);
_gdk_events_init (_gdk_display);
return GDK_WIN32_SCREEN (screen)->root_window;
}
-static GdkVisual *
-gdk_win32_screen_get_system_visual (GdkScreen *screen)
-{
- return GDK_WIN32_SCREEN (screen)->system_visual;
-}
-
-static GdkVisual *
-gdk_win32_screen_get_rgba_visual (GdkScreen *screen)
-{
- return GDK_WIN32_SCREEN (screen)->rgba_visual;
-}
-
-static GList *
-gdk_win32_screen_list_visuals (GdkScreen *screen)
-{
- GdkWin32Screen *win32_screen = GDK_WIN32_SCREEN (screen);
- GList *result = NULL;
-
- result = g_list_append (result, win32_screen->rgba_visual);
- result = g_list_append (result, win32_screen->system_visual);
-
- return result;
-}
-
static void
gdk_win32_screen_finalize (GObject *object)
{
screen_class->get_display = gdk_win32_screen_get_display;
screen_class->get_root_window = gdk_win32_screen_get_root_window;
screen_class->get_setting = _gdk_win32_screen_get_setting;
- screen_class->get_system_visual = gdk_win32_screen_get_system_visual;
- screen_class->get_rgba_visual = gdk_win32_screen_get_rgba_visual;
- screen_class->list_visuals = gdk_win32_screen_list_visuals;
}
void _gdk_x11_error_handler_push (void);
void _gdk_x11_error_handler_pop (void);
-GdkVisual * _gdk_x11_screen_get_system_visual (GdkScreen *screen);
-GList * _gdk_x11_screen_list_visuals (GdkScreen *screen);
-
-
void gdk_display_setup_window_visual (GdkDisplay *display,
gint depth,
Visual *visual,
XFree (ret_workarea);
}
-static GdkVisual *
-gdk_x11_screen_get_rgba_visual (GdkScreen *screen)
-{
- GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
-
- return x11_screen->rgba_visual;
-}
-
/**
* gdk_x11_screen_get_xscreen:
* @screen: (type GdkX11Screen): a #GdkScreen
screen_class->get_display = gdk_x11_screen_get_display;
screen_class->get_root_window = gdk_x11_screen_get_root_window;
- screen_class->get_system_visual = _gdk_x11_screen_get_system_visual;
- screen_class->get_rgba_visual = gdk_x11_screen_get_rgba_visual;
screen_class->get_setting = gdk_x11_screen_get_setting;
- screen_class->list_visuals = _gdk_x11_screen_list_visuals;
signals[WINDOW_MANAGER_CHANGED] =
g_signal_new (g_intern_static_string ("window-manager-changed"),
}
}
-GdkVisual *
-_gdk_x11_screen_get_system_visual (GdkScreen *screen)
-{
- g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
-
- return ((GdkVisual *) GDK_X11_SCREEN (screen)->system_visual);
-}
-
-GList *
-_gdk_x11_screen_list_visuals (GdkScreen *screen)
-{
- GList *list;
- GdkX11Screen *x11_screen;
- guint i;
-
- g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
- x11_screen = GDK_X11_SCREEN (screen);
-
- list = NULL;
-
- for (i = 0; i < x11_screen->nvisuals; ++i)
- list = g_list_append (list, x11_screen->visuals[i]);
-
- return list;
-}
-
/**
* gdk_x11_screen_lookup_visual:
* @screen: (type GdkX11Screen): a #GdkScreen.
rectangle \
rgba \
seat \
- visual \
$(NULL)
CLEANFILES = \
+++ /dev/null
-#include <gdk/gdk.h>
-
-/* We don't technically guarantee that the visual returned by
- * gdk_screen_get_rgba_visual is ARGB8888. But if it isn't, lots
- * of code will break, so test this here anyway.
- * The main point of this test is to ensure that the pixel_details
- * functions return meaningful values for TrueColor visuals.
- */
-static void
-test_rgba_visual (void)
-{
- GdkScreen *screen;
- GdkVisual *visual;
- guint32 r_mask, g_mask, b_mask;
- gint r_shift, g_shift, b_shift;
- gint r_precision, g_precision, b_precision;
- gint depth;
- GdkVisualType type;
-
- g_test_bug ("764210");
-
- screen = gdk_screen_get_default ();
- visual = gdk_screen_get_rgba_visual (screen);
-
- if (visual == NULL)
- {
- g_test_skip ("no rgba visual");
- return;
- }
-
- depth = gdk_visual_get_depth (visual);
- type = gdk_visual_get_visual_type (visual);
- gdk_visual_get_red_pixel_details (visual, &r_mask, &r_shift, &r_precision);
- gdk_visual_get_green_pixel_details (visual, &g_mask, &g_shift, &g_precision);
- gdk_visual_get_blue_pixel_details (visual, &b_mask, &b_shift, &b_precision);
-
- g_assert_cmpint (depth, ==, 32);
- g_assert_cmpint (type, ==, GDK_VISUAL_TRUE_COLOR);
-
- g_assert_cmphex (r_mask, ==, 0x00ff0000);
- g_assert_cmphex (g_mask, ==, 0x0000ff00);
- g_assert_cmphex (b_mask, ==, 0x000000ff);
-
- g_assert_cmpint (r_shift, ==, 16);
- g_assert_cmpint (g_shift, ==, 8);
- g_assert_cmpint (b_shift, ==, 0);
-
- g_assert_cmpint (r_precision, ==, 8);
- g_assert_cmpint (g_precision, ==, 8);
- g_assert_cmpint (b_precision, ==, 8);
-}
-
-static void
-test_list_visuals (void)
-{
- GdkScreen *screen;
- GdkVisual *visual;
- GdkVisual *rgba_visual;
- GdkVisual *system_visual;
- GList *list, *l;
- gboolean found_system, found_rgba;
-
- screen = gdk_screen_get_default ();
- system_visual = gdk_screen_get_system_visual (screen);
- rgba_visual = gdk_screen_get_rgba_visual (screen);
-
- found_system = FALSE;
- found_rgba = FALSE;
-
- list = gdk_screen_list_visuals (screen);
- for (l = list; l; l = l->next)
- {
- visual = l->data;
- if (visual == system_visual)
- found_system = TRUE;
- if (visual == rgba_visual)
- found_rgba = TRUE;
- g_assert_true (GDK_IS_VISUAL (visual));
-
- g_assert_true (gdk_visual_get_screen (visual) == screen);
- }
- g_list_free (list);
-
- g_assert (system_visual != NULL && found_system);
- g_assert (rgba_visual == NULL || found_rgba);
-}
-
-int
-main (int argc, char *argv[])
-{
- g_test_init (&argc, &argv, NULL);
-
- gdk_init (NULL, NULL);
-
- g_test_bug_base ("http://bugzilla.gnome.org/");
-
- g_test_add_func ("/visual/list", test_list_visuals);
- g_test_add_func ("/visual/rgba", test_rgba_visual);
-
- return g_test_run ();
-}
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