* The #GDK_WINDOWING_X11 macro is defined if the X11 backend
* is supported.
*
- * Use this macro to guard code that is specific to the X11-backend.
- * Since GDK may be configured with multiple backends, an additional
- * runtime check for the used backend is recommended:
- *
- * |[
- * #ifdef GDK_WINDOWING_X11
- * if (GDK_IS_X11_DISPLAY (display))
- * {
- * /* make X11-specific calls here */
- * }
- * else
- * #endif
- * #ifdef GDK_WINDOWING_QUARTZ
- * if (GDK_IS_QUARTZ_DISPLAY (display))
- * {
- * /* make Quartz-specific calls here &ast/
- * }
- * else
- * #endif
- * g_error ("Unsupported GDK backend");
- * ]|
+ * Use this macro to guard code that is specific to the X11 backend.
*/
/**
*
* The #GDK_WINDOWING_WIN32 macro is defined if the Win32 backend
* is supported.
+ *
+ * Use this macro to guard code that is specific to the Win32 backend.
*/
/**
*
* The #GDK_WINDOWING_QUARTZ macro is defined if the Quartz backend
* is supported.
+ *
+ * Use this macro to guard code that is specific to the Quartz backend.
*/
typedef struct _GdkPredicate GdkPredicate;
static gchar *gdk_progclass = NULL;
-static GMutex *gdk_threads_mutex = NULL; /* Global GDK lock */
+static GMutex gdk_threads_mutex;
static GCallback gdk_threads_lock = NULL;
static GCallback gdk_threads_unlock = NULL;
void
gdk_pre_parse_libgtk_only (void)
{
+ const char *rendering_mode;
+
gdk_initialized = TRUE;
/* We set the fallback program class here, rather than lazily in
if (getenv ("GDK_NATIVE_WINDOWS"))
{
- _gdk_native_windows = TRUE;
- /* Ensure that this is not propagated to spawned applications */
+ g_warning ("The GDK_NATIVE_WINDOWS environment variable is not supported in GTK3.\n"
+ "See the documentation for gdk_window_ensure_native() on how to get native windows.");
g_unsetenv ("GDK_NATIVE_WINDOWS");
}
+ rendering_mode = g_getenv ("GDK_RENDERING");
+ if (rendering_mode)
+ {
+ if (g_str_equal (rendering_mode, "similar"))
+ _gdk_rendering_mode = GDK_RENDERING_MODE_SIMILAR;
+ else if (g_str_equal (rendering_mode, "image"))
+ _gdk_rendering_mode = GDK_RENDERING_MODE_IMAGE;
+ else if (g_str_equal (rendering_mode, "recording"))
+ _gdk_rendering_mode = GDK_RENDERING_MODE_RECORDING;
+ }
+
g_type_init ();
/* Do any setup particular to the windowing system */
*
* Since: 2.2
*/
-G_CONST_RETURN gchar *
+const gchar *
gdk_get_display_arg_name (void)
{
if (!_gdk_display_arg_name)
* Win32 backend, GDK calls should not be attempted from multiple threads
* at all.
*
- * You must call g_thread_init() and gdk_threads_init() before executing
- * any other GTK+ or GDK functions in a threaded GTK+ program.
+ * You must call gdk_threads_init() before executing any other GTK+ or
+ * GDK functions in a threaded GTK+ program.
*
- * Idles, timeouts, and input functions from GLib, such as g_idle_add(), are
- * executed outside of the main GTK+ lock.
- * So, if you need to call GTK+ inside of such a callback, you must surround
- * the callback with a gdk_threads_enter()/gdk_threads_leave() pair or use
+ * Idles, timeouts, and input functions from GLib, such as g_idle_add(),
+ * are executed outside of the main GTK+ lock. So, if you need to call
+ * GTK+ inside of such a callback, you must surround the callback with
+ * a gdk_threads_enter()/gdk_threads_leave() pair or use
* gdk_threads_add_idle_full() which does this for you.
* However, event dispatching from the mainloop is still executed within
* the main GTK+ lock, so callback functions connected to event signals
* {
* GtkWidget *window;
*
- * g_thread_init (NULL);
* gdk_threads_init (<!-- -->);
* gdk_threads_enter (<!-- -->);
*
* pthread_t no_tid, yes_tid;
*
* /<!---->* init threads *<!---->/
- * g_thread_init (NULL);
* gdk_threads_init (<!-- -->);
* gdk_threads_enter (<!-- -->);
*
/**
* gdk_threads_enter:
*
- * This macro marks the beginning of a critical section in which GDK and
- * GTK+ functions can be called safely and without causing race
- * conditions. Only one thread at a time can be in such a critial
+ * This function marks the beginning of a critical section in which
+ * GDK and GTK+ functions can be called safely and without causing race
+ * conditions. Only one thread at a time can be in such a critial
* section.
*/
void
static void
gdk_threads_impl_lock (void)
{
- if (gdk_threads_mutex)
- g_mutex_lock (gdk_threads_mutex);
+ g_mutex_lock (&gdk_threads_mutex);
}
static void
gdk_threads_impl_unlock (void)
{
- if (gdk_threads_mutex)
- g_mutex_unlock (gdk_threads_mutex);
+ g_mutex_unlock (&gdk_threads_mutex);
}
/**
*
* Initializes GDK so that it can be used from multiple threads
* in conjunction with gdk_threads_enter() and gdk_threads_leave().
- * g_thread_init() must be called previous to this function.
*
* This call must be made before any use of the main loop from
* GTK+; to be safe, call it before gtk_init().
- **/
+ */
void
gdk_threads_init (void)
{
- if (!g_thread_supported ())
- g_error ("g_thread_init() must be called before gdk_threads_init()");
-
- gdk_threads_mutex = g_mutex_new ();
if (!gdk_threads_lock)
gdk_threads_lock = gdk_threads_impl_lock;
if (!gdk_threads_unlock)
* removed from the list of event sources and will not be called again.
*
* This variant of g_idle_add_full() calls @function with the GDK lock
- * held. It can be thought of a MT-safe version for GTK+ widgets for the
+ * held. It can be thought of a MT-safe version for GTK+ widgets for the
* following use case, where you have to worry about idle_callback()
* running in thread A and accessing @self after it has been finalized
* in thread B:
*
* Returns: the program class.
*/
-G_CONST_RETURN char *
+const char *
gdk_get_program_class (void)
{
return gdk_progclass;