#include "gdk.h"
#include "gdkinternals.h"
+#include "gdkintl.h"
#ifndef HAVE_XCONVERTCASE
#include "gdkkeysyms.h"
#endif
typedef struct _GdkPredicate GdkPredicate;
-typedef struct _GdkErrorTrap GdkErrorTrap;
struct _GdkPredicate
{
gpointer data;
};
-struct _GdkErrorTrap
+typedef struct _GdkThreadsDispatch GdkThreadsDispatch;
+
+struct _GdkThreadsDispatch
{
- gint error_warnings;
- gint error_code;
+ GSourceFunc func;
+ gpointer data;
+ GDestroyNotify destroy;
};
-/*
- * Private function declarations
- */
-static void gdk_exit_func (void);
-
-GdkFilterReturn gdk_wm_protocols_filter (GdkXEvent *xev,
- GdkEvent *event,
- gpointer data);
/* Private variable declarations
*/
* 0 otherwise.
*/
-static GSList *gdk_error_traps = NULL; /* List of error traps */
-static GSList *gdk_error_trap_free_list = NULL; /* Free list */
+static gchar *gdk_progclass = NULL;
+
+static GMutex *gdk_threads_mutex = NULL; /* Global GDK lock */
+
+static GCallback gdk_threads_lock = NULL;
+static GCallback gdk_threads_unlock = NULL;
#ifdef G_ENABLE_DEBUG
static const GDebugKey gdk_debug_keys[] = {
{"events", GDK_DEBUG_EVENTS},
{"misc", GDK_DEBUG_MISC},
{"dnd", GDK_DEBUG_DND},
- {"color-context", GDK_DEBUG_COLOR_CONTEXT},
- {"xim", GDK_DEBUG_XIM}
+ {"xim", GDK_DEBUG_XIM},
+ {"nograbs", GDK_DEBUG_NOGRABS},
+ {"colormap", GDK_DEBUG_COLORMAP},
+ {"input", GDK_DEBUG_INPUT},
+ {"cursor", GDK_DEBUG_CURSOR},
+ {"multihead", GDK_DEBUG_MULTIHEAD},
+ {"xinerama", GDK_DEBUG_XINERAMA},
+ {"draw", GDK_DEBUG_DRAW},
+ {"eventloop", GDK_DEBUG_EVENTLOOP}
};
-static const int gdk_ndebug_keys = sizeof(gdk_debug_keys)/sizeof(GDebugKey);
+static const int gdk_ndebug_keys = G_N_ELEMENTS (gdk_debug_keys);
#endif /* G_ENABLE_DEBUG */
-GdkArgContext *
-gdk_arg_context_new (gpointer cb_data)
+#ifdef G_ENABLE_DEBUG
+static gboolean
+gdk_arg_debug_cb (const char *key, const char *value, gpointer user_data, GError **error)
{
- GdkArgContext *result = g_new (GdkArgContext, 1);
- result->tables = g_ptr_array_new ();
- result->cb_data = cb_data;
+ guint debug_value = g_parse_debug_string (value,
+ (GDebugKey *) gdk_debug_keys,
+ gdk_ndebug_keys);
- return result;
+ if (debug_value == 0 && value != NULL && strcmp (value, "") != 0)
+ {
+ g_set_error (error,
+ G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
+ _("Error parsing option --gdk-debug"));
+ return FALSE;
+ }
+
+ _gdk_debug_flags |= debug_value;
+
+ return TRUE;
}
-void
-gdk_arg_context_destroy (GdkArgContext *context)
+static gboolean
+gdk_arg_no_debug_cb (const char *key, const char *value, gpointer user_data, GError **error)
+{
+ guint debug_value = g_parse_debug_string (value,
+ (GDebugKey *) gdk_debug_keys,
+ gdk_ndebug_keys);
+
+ if (debug_value == 0 && value != NULL && strcmp (value, "") != 0)
+ {
+ g_set_error (error,
+ G_OPTION_ERROR, G_OPTION_ERROR_FAILED,
+ _("Error parsing option --gdk-no-debug"));
+ return FALSE;
+ }
+
+ _gdk_debug_flags &= ~debug_value;
+
+ return TRUE;
+}
+#endif /* G_ENABLE_DEBUG */
+
+static gboolean
+gdk_arg_class_cb (const char *key, const char *value, gpointer user_data, GError **error)
+{
+ gdk_set_program_class (value);
+
+ return TRUE;
+}
+
+static gboolean
+gdk_arg_name_cb (const char *key, const char *value, gpointer user_data, GError **error)
{
- g_ptr_array_free (context->tables, TRUE);
- g_free (context);
+ g_set_prgname (value);
+
+ return TRUE;
}
+static const GOptionEntry gdk_args[] = {
+ { "class", 0, 0, G_OPTION_ARG_CALLBACK, gdk_arg_class_cb,
+ /* Description of --class=CLASS in --help output */ N_("Program class as used by the window manager"),
+ /* Placeholder in --class=CLASS in --help output */ N_("CLASS") },
+ { "name", 0, 0, G_OPTION_ARG_CALLBACK, gdk_arg_name_cb,
+ /* Description of --name=NAME in --help output */ N_("Program name as used by the window manager"),
+ /* Placeholder in --name=NAME in --help output */ N_("NAME") },
+ { "display", 0, G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_STRING, &_gdk_display_name,
+ /* Description of --display=DISPLAY in --help output */ N_("X display to use"),
+ /* Placeholder in --display=DISPLAY in --help output */ N_("DISPLAY") },
+ { "screen", 0, 0, G_OPTION_ARG_INT, &_gdk_screen_number,
+ /* Description of --screen=SCREEN in --help output */ N_("X screen to use"),
+ /* Placeholder in --screen=SCREEN in --help output */ N_("SCREEN") },
+#ifdef G_ENABLE_DEBUG
+ { "gdk-debug", 0, 0, G_OPTION_ARG_CALLBACK, gdk_arg_debug_cb,
+ /* Description of --gdk-debug=FLAGS in --help output */ N_("GDK debugging flags to set"),
+ /* Placeholder in --gdk-debug=FLAGS in --help output */ N_("FLAGS") },
+ { "gdk-no-debug", 0, 0, G_OPTION_ARG_CALLBACK, gdk_arg_no_debug_cb,
+ /* Description of --gdk-no-debug=FLAGS in --help output */ N_("GDK debugging flags to unset"),
+ /* Placeholder in --gdk-no-debug=FLAGS in --help output */ N_("FLAGS") },
+#endif
+ { NULL }
+};
+
+/**
+ * gdk_add_option_entries_libgtk_only:
+ * @group: An option group.
+ *
+ * Appends gdk option entries to the passed in option group. This is
+ * not public API and must not be used by applications.
+ **/
void
-gdk_arg_context_add_table (GdkArgContext *context, GdkArgDesc *table)
+gdk_add_option_entries_libgtk_only (GOptionGroup *group)
{
- g_ptr_array_add (context->tables, table);
+ g_option_group_add_entries (group, gdk_args);
+ g_option_group_add_entries (group, _gdk_windowing_args);
}
void
-gdk_arg_context_parse (GdkArgContext *context, gint *argc, gchar ***argv)
+gdk_pre_parse_libgtk_only (void)
{
- int i, j, k;
+ gdk_initialized = TRUE;
+
+ /* We set the fallback program class here, rather than lazily in
+ * gdk_get_program_class, since we don't want -name to override it.
+ */
+ gdk_progclass = g_strdup (g_get_prgname ());
+ if (gdk_progclass && gdk_progclass[0])
+ gdk_progclass[0] = g_ascii_toupper (gdk_progclass[0]);
+
+#ifdef G_ENABLE_DEBUG
+ {
+ gchar *debug_string = getenv("GDK_DEBUG");
+ if (debug_string != NULL)
+ _gdk_debug_flags = g_parse_debug_string (debug_string,
+ (GDebugKey *) gdk_debug_keys,
+ gdk_ndebug_keys);
+ }
+#endif /* G_ENABLE_DEBUG */
- /* Save a copy of the original argc and argv */
- if (argc && argv)
+ if (getenv ("GDK_NATIVE_WINDOWS"))
{
- for (i = 1; i < *argc; i++)
- {
- char *arg;
-
- if (!(*argv)[i][0] == '-' && (*argv)[i][1] == '-')
- continue;
-
- arg = (*argv)[i] + 2;
-
- /* '--' terminates list of arguments */
- if (arg == 0)
- {
- (*argv)[i] = NULL;
- break;
- }
-
- for (j = 0; j < context->tables->len; j++)
- {
- GdkArgDesc *table = context->tables->pdata[j];
- for (k = 0; table[k].name; k++)
- {
- switch (table[k].type)
- {
- case GDK_ARG_STRING:
- case GDK_ARG_CALLBACK:
- case GDK_ARG_INT:
- {
- int len = strlen (table[k].name);
-
- if (strncmp (arg, table[k].name, len) == 0 &&
- (arg[len] == '=' || argc[len] == 0))
- {
- char *value = NULL;
-
- (*argv)[i] = NULL;
-
- if (arg[len] == '=')
- value = arg + len + 1;
- else if (i < *argc - 1)
- {
- value = (*argv)[i + 1];
- (*argv)[i+1] = NULL;
- i++;
- }
- else
- value = "";
-
- switch (table[k].type)
- {
- case GDK_ARG_STRING:
- *(gchar **)table[k].location = g_strdup (value);
- break;
- case GDK_ARG_INT:
- *(gint *)table[k].location = atoi (value);
- break;
- case GDK_ARG_CALLBACK:
- (*table[k].callback)(table[k].name, value, context->cb_data);
- break;
- default:
- ;
- }
-
- goto next_arg;
- }
- break;
- }
- case GDK_ARG_BOOL:
- case GDK_ARG_NOBOOL:
- if (strcmp (arg, table[k].name) == 0)
- {
- (*argv)[i] = NULL;
-
- *(gboolean *)table[k].location = (table[k].type == GDK_ARG_BOOL) ? TRUE : FALSE;
- goto next_arg;
- }
- }
- }
- }
- next_arg:
- ;
- }
-
- for (i = 1; i < *argc; i++)
- {
- for (k = i; k < *argc; k++)
- if ((*argv)[k] != NULL)
- break;
-
- if (k > i)
- {
- k -= i;
- for (j = i + k; j < *argc; j++)
- (*argv)[j-k] = (*argv)[j];
- *argc -= k;
- }
- }
+ _gdk_native_windows = TRUE;
+ /* Ensure that this is not propagated
+ to spawned applications */
+ g_unsetenv ("GDK_NATIVE_WINDOWS");
}
+
+ g_type_init ();
+
+ /* Do any setup particular to the windowing system
+ */
+ _gdk_windowing_init ();
}
-static void
-gdk_arg_debug_cb (const char *key, const char *value, gpointer user_data)
+
+/**
+ * gdk_parse_args:
+ * @argc: the number of command line arguments.
+ * @argv: the array of command line arguments.
+ *
+ * Parse command line arguments, and store for future
+ * use by calls to gdk_display_open().
+ *
+ * Any arguments used by GDK are removed from the array and @argc and @argv are
+ * updated accordingly.
+ *
+ * You shouldn't call this function explicitely if you are using
+ * gtk_init(), gtk_init_check(), gdk_init(), or gdk_init_check().
+ *
+ * Since: 2.2
+ **/
+void
+gdk_parse_args (int *argc,
+ char ***argv)
{
- gdk_debug_flags |= g_parse_debug_string (value,
- (GDebugKey *) gdk_debug_keys,
- gdk_ndebug_keys);
+ GOptionContext *option_context;
+ GOptionGroup *option_group;
+ GError *error = NULL;
+
+ if (gdk_initialized)
+ return;
+
+ gdk_pre_parse_libgtk_only ();
+
+ option_context = g_option_context_new (NULL);
+ g_option_context_set_ignore_unknown_options (option_context, TRUE);
+ g_option_context_set_help_enabled (option_context, FALSE);
+ option_group = g_option_group_new (NULL, NULL, NULL, NULL, NULL);
+ g_option_context_set_main_group (option_context, option_group);
+
+ g_option_group_add_entries (option_group, gdk_args);
+ g_option_group_add_entries (option_group, _gdk_windowing_args);
+
+ if (!g_option_context_parse (option_context, argc, argv, &error))
+ {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+ g_option_context_free (option_context);
+
+ GDK_NOTE (MISC, g_message ("progname: \"%s\"", g_get_prgname ()));
}
-static void
-gdk_arg_no_debug_cb (const char *key, const char *value, gpointer user_data)
+/**
+ * gdk_get_display_arg_name:
+ *
+ * Gets the display name specified in the command line arguments passed
+ * to gdk_init() or gdk_parse_args(), if any.
+ *
+ * Returns: the display name, if specified explicitely, otherwise %NULL
+ * this string is owned by GTK+ and must not be modified or freed.
+ *
+ * Since: 2.2
+ */
+G_CONST_RETURN gchar *
+gdk_get_display_arg_name (void)
{
- gdk_debug_flags &= ~g_parse_debug_string (value,
- (GDebugKey *) gdk_debug_keys,
- gdk_ndebug_keys);
+ if (!_gdk_display_arg_name)
+ {
+ if (_gdk_screen_number >= 0)
+ _gdk_display_arg_name = _gdk_windowing_substitute_screen_number (_gdk_display_name, _gdk_screen_number);
+ else
+ _gdk_display_arg_name = g_strdup (_gdk_display_name);
+ }
+
+ return _gdk_display_arg_name;
}
-static void
-gdk_arg_name_cb (const char *key, const char *value, gpointer user_data)
+/**
+ * gdk_display_open_default_libgtk_only:
+ *
+ * Opens the default display specified by command line arguments or
+ * environment variables, sets it as the default display, and returns
+ * it. gdk_parse_args must have been called first. If the default
+ * display has previously been set, simply returns that. An internal
+ * function that should not be used by applications.
+ *
+ * Return value: the default display, if it could be opened,
+ * otherwise %NULL.
+ **/
+GdkDisplay *
+gdk_display_open_default_libgtk_only (void)
{
- g_set_prgname (value);
-}
+ GdkDisplay *display;
-static GdkArgDesc gdk_args[] = {
- { "name", GDK_ARG_STRING, NULL, gdk_arg_name_cb },
-#ifdef G_ENABLE_DEBUG
- { "gdk-debug", GDK_ARG_CALLBACK, NULL, gdk_arg_debug_cb },
- { "gdk-no-debug", GDK_ARG_CALLBACK, NULL, gdk_arg_no_debug_cb },
-#endif /* G_ENABLE_DEBUG */
- { NULL }
-};
+ g_return_val_if_fail (gdk_initialized, NULL);
+
+ display = gdk_display_get_default ();
+ if (display)
+ return display;
-/*
- *--------------------------------------------------------------
- * gdk_init_check
+ display = gdk_display_open (gdk_get_display_arg_name ());
+
+ if (!display && _gdk_screen_number >= 0)
+ {
+ g_free (_gdk_display_arg_name);
+ _gdk_display_arg_name = g_strdup (_gdk_display_name);
+
+ display = gdk_display_open (_gdk_display_name);
+ }
+
+ if (display)
+ gdk_display_manager_set_default_display (gdk_display_manager_get (),
+ display);
+
+ return display;
+}
+
+/**
+ * gdk_init_check:
+ * @argc: (inout):
+ * @argv: (array length=argc) (inout):
*
* Initialize the library for use.
*
*
*--------------------------------------------------------------
*/
-
gboolean
gdk_init_check (int *argc,
char ***argv)
{
- gchar **argv_orig = NULL;
- gint argc_orig = 0;
- GdkArgContext *arg_context;
- gboolean result;
- int i;
-
- if (gdk_initialized)
- return TRUE;
-
- if (g_thread_supported ())
- gdk_threads_mutex = g_mutex_new ();
-
- if (argc && argv)
- {
- argc_orig = *argc;
-
- argv_orig = g_malloc ((argc_orig + 1) * sizeof (char*));
- for (i = 0; i < argc_orig; i++)
- argv_orig[i] = g_strdup ((*argv)[i]);
- argv_orig[argc_orig] = NULL;
-
- if (*argc > 0)
- {
- gchar *d;
-
- d = strrchr((*argv)[0], G_DIR_SEPARATOR);
- if (d != NULL)
- g_set_prgname (d + 1);
- else
- g_set_prgname ((*argv)[0]);
- }
- }
-
-
-#ifdef G_ENABLE_DEBUG
- {
- gchar *debug_string = getenv("GDK_DEBUG");
- if (debug_string != NULL)
- gdk_debug_flags = g_parse_debug_string (debug_string,
- (GDebugKey *) gdk_debug_keys,
- gdk_ndebug_keys);
- }
-#endif /* G_ENABLE_DEBUG */
-
- arg_context = gdk_arg_context_new (NULL);
- gdk_arg_context_add_table (arg_context, gdk_args);
- gdk_arg_context_add_table (arg_context, _gdk_windowing_args);
- gdk_arg_context_parse (arg_context, argc, argv);
- gdk_arg_context_destroy (arg_context);
-
- GDK_NOTE (MISC, g_message ("progname: \"%s\"", g_get_prgname ()));
-
- g_type_init ();
-
- result = _gdk_windowing_init_check (argc_orig, argv_orig);
-
- for (i = 0; i < argc_orig; i++)
- g_free(argv_orig[i]);
- g_free(argv_orig);
+ gdk_parse_args (argc, argv);
- if (!result)
- return FALSE;
-
- g_atexit (gdk_exit_func);
-
- gdk_events_init ();
- gdk_visual_init ();
- _gdk_windowing_window_init ();
- _gdk_windowing_image_init ();
- gdk_input_init ();
- gdk_dnd_init ();
-
-#ifdef USE_XIM
- gdk_im_open ();
-#endif
-
- gdk_initialized = 1;
-
- return TRUE;
+ return gdk_display_open_default_libgtk_only () != NULL;
}
+
+/**
+ * gdk_init:
+ * @argc: (inout):
+ * @argv: (array length=argc) (inout):
+ */
void
gdk_init (int *argc, char ***argv)
{
if (!gdk_init_check (argc, argv))
{
- g_warning ("cannot open display: %s", gdk_get_display ());
+ const char *display_name = gdk_get_display_arg_name ();
+ g_warning ("cannot open display: %s", display_name ? display_name : "");
exit(1);
}
}
-/*
- *--------------------------------------------------------------
- * gdk_exit
- *
- * Restores the library to an un-itialized state and exits
- * the program using the "exit" system call.
- *
- * Arguments:
- * "errorcode" is the error value to pass to "exit".
- *
- * Results:
- * Allocated structures are freed and the program exits
- * cleanly.
- *
- * Side effects:
- *
- *--------------------------------------------------------------
- */
+void
+gdk_threads_enter (void)
+{
+ if (gdk_threads_lock)
+ (*gdk_threads_lock) ();
+}
void
-gdk_exit (gint errorcode)
+gdk_threads_leave (void)
{
- /* de-initialisation is done by the gdk_exit_funct(),
- no need to do this here (Alex J.) */
- exit (errorcode);
+ if (gdk_threads_unlock)
+ (*gdk_threads_unlock) ();
}
-/*
- *--------------------------------------------------------------
- * gdk_exit_func
+static void
+gdk_threads_impl_lock (void)
+{
+ if (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);
+}
+
+/**
+ * gdk_threads_init:
+ *
+ * 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 is the "atexit" function that makes sure the
- * library gets a chance to cleanup.
+ * 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)
+ gdk_threads_unlock = gdk_threads_impl_unlock;
+}
+
+/**
+ * gdk_threads_set_lock_functions:
+ * @enter_fn: function called to guard GDK
+ * @leave_fn: function called to release the guard
*
- * Arguments:
+ * Allows the application to replace the standard method that
+ * GDK uses to protect its data structures. Normally, GDK
+ * creates a single #GMutex that is locked by gdk_threads_enter(),
+ * and released by gdk_threads_leave(); using this function an
+ * application provides, instead, a function @enter_fn that is
+ * called by gdk_threads_enter() and a function @leave_fn that is
+ * called by gdk_threads_leave().
*
- * Results:
+ * The functions must provide at least same locking functionality
+ * as the default implementation, but can also do extra application
+ * specific processing.
*
- * Side effects:
- * The library is un-initialized and the program exits.
+ * As an example, consider an application that has its own recursive
+ * lock that when held, holds the GTK+ lock as well. When GTK+ unlocks
+ * the GTK+ lock when entering a recursive main loop, the application
+ * must temporarily release its lock as well.
*
- *--------------------------------------------------------------
- */
-
-static void
-gdk_exit_func (void)
+ * Most threaded GTK+ apps won't need to use this method.
+ *
+ * This method must be called before gdk_threads_init(), and cannot
+ * be called multiple times.
+ *
+ * Since: 2.4
+ **/
+void
+gdk_threads_set_lock_functions (GCallback enter_fn,
+ GCallback leave_fn)
{
- static gboolean in_gdk_exit_func = FALSE;
-
- /* This is to avoid an infinite loop if a program segfaults in
- an atexit() handler (and yes, it does happen, especially if a program
- has trounced over memory too badly for even g_message to work) */
- if (in_gdk_exit_func == TRUE)
- return;
- in_gdk_exit_func = TRUE;
-
- if (gdk_initialized)
- {
-#ifdef USE_XIM
- /* cleanup IC */
- gdk_ic_cleanup ();
- /* close IM */
- gdk_im_close ();
-#endif
- gdk_image_exit ();
- gdk_input_exit ();
- gdk_key_repeat_restore ();
+ g_return_if_fail (gdk_threads_lock == NULL &&
+ gdk_threads_unlock == NULL);
- gdk_windowing_exit ();
-
- gdk_initialized = 0;
- }
+ gdk_threads_lock = enter_fn;
+ gdk_threads_unlock = leave_fn;
}
-/*************************************************************
- * gdk_error_trap_push:
- * Push an error trap. X errors will be trapped until
- * the corresponding gdk_error_pop(), which will return
- * the error code, if any.
- * arguments:
- *
- * results:
- *************************************************************/
-
-void
-gdk_error_trap_push (void)
+static gboolean
+gdk_threads_dispatch (gpointer data)
{
- GSList *node;
- GdkErrorTrap *trap;
+ GdkThreadsDispatch *dispatch = data;
+ gboolean ret = FALSE;
- if (gdk_error_trap_free_list)
- {
- node = gdk_error_trap_free_list;
- gdk_error_trap_free_list = gdk_error_trap_free_list->next;
- }
- else
- {
- node = g_slist_alloc ();
- node->data = g_new (GdkErrorTrap, 1);
- }
+ GDK_THREADS_ENTER ();
- node->next = gdk_error_traps;
- gdk_error_traps = node;
-
- trap = node->data;
- trap->error_code = gdk_error_code;
- trap->error_warnings = gdk_error_warnings;
+ if (!g_source_is_destroyed (g_main_current_source ()))
+ ret = dispatch->func (dispatch->data);
+
+ GDK_THREADS_LEAVE ();
- gdk_error_code = 0;
- gdk_error_warnings = 0;
+ return ret;
}
-/*************************************************************
- * gdk_error_trap_pop:
- * Pop an error trap added with gdk_error_push()
- * arguments:
- *
- * results:
- * 0, if no error occured, otherwise the error code.
- *************************************************************/
-
-gint
-gdk_error_trap_pop (void)
+static void
+gdk_threads_dispatch_free (gpointer data)
{
- GSList *node;
- GdkErrorTrap *trap;
- gint result;
+ GdkThreadsDispatch *dispatch = data;
- g_return_val_if_fail (gdk_error_traps != NULL, 0);
+ if (dispatch->destroy && dispatch->data)
+ dispatch->destroy (dispatch->data);
- node = gdk_error_traps;
- gdk_error_traps = gdk_error_traps->next;
-
- node->next = gdk_error_trap_free_list;
- gdk_error_trap_free_list = node;
-
- result = gdk_error_code;
-
- trap = node->data;
- gdk_error_code = trap->error_code;
- gdk_error_warnings = trap->error_warnings;
-
- return result;
+ g_slice_free (GdkThreadsDispatch, data);
}
-#ifndef HAVE_XCONVERTCASE
-/* compatibility function from X11R6.3, since XConvertCase is not
- * supplied by X11R5.
+
+/**
+ * gdk_threads_add_idle_full:
+ * @priority: the priority of the idle source. Typically this will be in the
+ * range btweeen #G_PRIORITY_DEFAULT_IDLE and #G_PRIORITY_HIGH_IDLE
+ * @function: function to call
+ * @data: data to pass to @function
+ * @notify: (allow-none): function to call when the idle is removed, or %NULL
+ *
+ * Adds a function to be called whenever there are no higher priority
+ * events pending. If the function returns %FALSE it is automatically
+ * 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
+ * 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:
+ *
+ * |[
+ * static gboolean
+ * idle_callback (gpointer data)
+ * {
+ * /* gdk_threads_enter(); would be needed for g_idle_add() */
+ *
+ * SomeWidget *self = data;
+ * /* do stuff with self */
+ *
+ * self->idle_id = 0;
+ *
+ * /* gdk_threads_leave(); would be needed for g_idle_add() */
+ * return FALSE;
+ * }
+ *
+ * static void
+ * some_widget_do_stuff_later (SomeWidget *self)
+ * {
+ * self->idle_id = gdk_threads_add_idle (idle_callback, self)
+ * /* using g_idle_add() here would require thread protection in the callback */
+ * }
+ *
+ * static void
+ * some_widget_finalize (GObject *object)
+ * {
+ * SomeWidget *self = SOME_WIDGET (object);
+ * if (self->idle_id)
+ * g_source_remove (self->idle_id);
+ * G_OBJECT_CLASS (parent_class)->finalize (object);
+ * }
+ * ]|
+ *
+ * Return value: the ID (greater than 0) of the event source.
+ *
+ * Since: 2.12
*/
-void
-gdk_keyval_convert_case (guint symbol,
- guint *lower,
- guint *upper)
+guint
+gdk_threads_add_idle_full (gint priority,
+ GSourceFunc function,
+ gpointer data,
+ GDestroyNotify notify)
{
- guint xlower = symbol;
- guint xupper = symbol;
+ GdkThreadsDispatch *dispatch;
- switch (symbol >> 8)
- {
-#if defined (GDK_A) && defined (GDK_Ooblique)
- case 0: /* Latin 1 */
- if ((symbol >= GDK_A) && (symbol <= GDK_Z))
- xlower += (GDK_a - GDK_A);
- else if ((symbol >= GDK_a) && (symbol <= GDK_z))
- xupper -= (GDK_a - GDK_A);
- else if ((symbol >= GDK_Agrave) && (symbol <= GDK_Odiaeresis))
- xlower += (GDK_agrave - GDK_Agrave);
- else if ((symbol >= GDK_agrave) && (symbol <= GDK_odiaeresis))
- xupper -= (GDK_agrave - GDK_Agrave);
- else if ((symbol >= GDK_Ooblique) && (symbol <= GDK_Thorn))
- xlower += (GDK_oslash - GDK_Ooblique);
- else if ((symbol >= GDK_oslash) && (symbol <= GDK_thorn))
- xupper -= (GDK_oslash - GDK_Ooblique);
- break;
-#endif /* LATIN1 */
-
-#if defined (GDK_Aogonek) && defined (GDK_tcedilla)
- case 1: /* Latin 2 */
- /* Assume the KeySym is a legal value (ignore discontinuities) */
- if (symbol == GDK_Aogonek)
- xlower = GDK_aogonek;
- else if (symbol >= GDK_Lstroke && symbol <= GDK_Sacute)
- xlower += (GDK_lstroke - GDK_Lstroke);
- else if (symbol >= GDK_Scaron && symbol <= GDK_Zacute)
- xlower += (GDK_scaron - GDK_Scaron);
- else if (symbol >= GDK_Zcaron && symbol <= GDK_Zabovedot)
- xlower += (GDK_zcaron - GDK_Zcaron);
- else if (symbol == GDK_aogonek)
- xupper = GDK_Aogonek;
- else if (symbol >= GDK_lstroke && symbol <= GDK_sacute)
- xupper -= (GDK_lstroke - GDK_Lstroke);
- else if (symbol >= GDK_scaron && symbol <= GDK_zacute)
- xupper -= (GDK_scaron - GDK_Scaron);
- else if (symbol >= GDK_zcaron && symbol <= GDK_zabovedot)
- xupper -= (GDK_zcaron - GDK_Zcaron);
- else if (symbol >= GDK_Racute && symbol <= GDK_Tcedilla)
- xlower += (GDK_racute - GDK_Racute);
- else if (symbol >= GDK_racute && symbol <= GDK_tcedilla)
- xupper -= (GDK_racute - GDK_Racute);
- break;
-#endif /* LATIN2 */
-
-#if defined (GDK_Hstroke) && defined (GDK_Cabovedot)
- case 2: /* Latin 3 */
- /* Assume the KeySym is a legal value (ignore discontinuities) */
- if (symbol >= GDK_Hstroke && symbol <= GDK_Hcircumflex)
- xlower += (GDK_hstroke - GDK_Hstroke);
- else if (symbol >= GDK_Gbreve && symbol <= GDK_Jcircumflex)
- xlower += (GDK_gbreve - GDK_Gbreve);
- else if (symbol >= GDK_hstroke && symbol <= GDK_hcircumflex)
- xupper -= (GDK_hstroke - GDK_Hstroke);
- else if (symbol >= GDK_gbreve && symbol <= GDK_jcircumflex)
- xupper -= (GDK_gbreve - GDK_Gbreve);
- else if (symbol >= GDK_Cabovedot && symbol <= GDK_Scircumflex)
- xlower += (GDK_cabovedot - GDK_Cabovedot);
- else if (symbol >= GDK_cabovedot && symbol <= GDK_scircumflex)
- xupper -= (GDK_cabovedot - GDK_Cabovedot);
- break;
-#endif /* LATIN3 */
-
-#if defined (GDK_Rcedilla) && defined (GDK_Amacron)
- case 3: /* Latin 4 */
- /* Assume the KeySym is a legal value (ignore discontinuities) */
- if (symbol >= GDK_Rcedilla && symbol <= GDK_Tslash)
- xlower += (GDK_rcedilla - GDK_Rcedilla);
- else if (symbol >= GDK_rcedilla && symbol <= GDK_tslash)
- xupper -= (GDK_rcedilla - GDK_Rcedilla);
- else if (symbol == GDK_ENG)
- xlower = GDK_eng;
- else if (symbol == GDK_eng)
- xupper = GDK_ENG;
- else if (symbol >= GDK_Amacron && symbol <= GDK_Umacron)
- xlower += (GDK_amacron - GDK_Amacron);
- else if (symbol >= GDK_amacron && symbol <= GDK_umacron)
- xupper -= (GDK_amacron - GDK_Amacron);
- break;
-#endif /* LATIN4 */
-
-#if defined (GDK_Serbian_DJE) && defined (GDK_Cyrillic_yu)
- case 6: /* Cyrillic */
- /* Assume the KeySym is a legal value (ignore discontinuities) */
- if (symbol >= GDK_Serbian_DJE && symbol <= GDK_Serbian_DZE)
- xlower -= (GDK_Serbian_DJE - GDK_Serbian_dje);
- else if (symbol >= GDK_Serbian_dje && symbol <= GDK_Serbian_dze)
- xupper += (GDK_Serbian_DJE - GDK_Serbian_dje);
- else if (symbol >= GDK_Cyrillic_YU && symbol <= GDK_Cyrillic_HARDSIGN)
- xlower -= (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
- else if (symbol >= GDK_Cyrillic_yu && symbol <= GDK_Cyrillic_hardsign)
- xupper += (GDK_Cyrillic_YU - GDK_Cyrillic_yu);
- break;
-#endif /* CYRILLIC */
-
-#if defined (GDK_Greek_ALPHAaccent) && defined (GDK_Greek_finalsmallsigma)
- case 7: /* Greek */
- /* Assume the KeySym is a legal value (ignore discontinuities) */
- if (symbol >= GDK_Greek_ALPHAaccent && symbol <= GDK_Greek_OMEGAaccent)
- xlower += (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
- else if (symbol >= GDK_Greek_alphaaccent && symbol <= GDK_Greek_omegaaccent &&
- symbol != GDK_Greek_iotaaccentdieresis &&
- symbol != GDK_Greek_upsilonaccentdieresis)
- xupper -= (GDK_Greek_alphaaccent - GDK_Greek_ALPHAaccent);
- else if (symbol >= GDK_Greek_ALPHA && symbol <= GDK_Greek_OMEGA)
- xlower += (GDK_Greek_alpha - GDK_Greek_ALPHA);
- else if (symbol >= GDK_Greek_alpha && symbol <= GDK_Greek_omega &&
- symbol != GDK_Greek_finalsmallsigma)
- xupper -= (GDK_Greek_alpha - GDK_Greek_ALPHA);
- break;
-#endif /* GREEK */
- }
+ g_return_val_if_fail (function != NULL, 0);
+
+ dispatch = g_slice_new (GdkThreadsDispatch);
+ dispatch->func = function;
+ dispatch->data = data;
+ dispatch->destroy = notify;
- if (lower)
- *lower = xlower;
- if (upper)
- *upper = xupper;
+ return g_idle_add_full (priority,
+ gdk_threads_dispatch,
+ dispatch,
+ gdk_threads_dispatch_free);
}
-#endif
+/**
+ * gdk_threads_add_idle:
+ * @function: function to call
+ * @data: data to pass to @function
+ *
+ * A wrapper for the common usage of gdk_threads_add_idle_full()
+ * assigning the default priority, #G_PRIORITY_DEFAULT_IDLE.
+ *
+ * See gdk_threads_add_idle_full().
+ *
+ * Return value: the ID (greater than 0) of the event source.
+ *
+ * Since: 2.12
+ */
guint
-gdk_keyval_to_upper (guint keyval)
+gdk_threads_add_idle (GSourceFunc function,
+ gpointer data)
{
- guint result;
-
- gdk_keyval_convert_case (keyval, NULL, &result);
+ return gdk_threads_add_idle_full (G_PRIORITY_DEFAULT_IDLE,
+ function, data, NULL);
+}
+
- return result;
+/**
+ * gdk_threads_add_timeout_full:
+ * @priority: the priority of the timeout source. Typically this will be in the
+ * range between #G_PRIORITY_DEFAULT_IDLE and #G_PRIORITY_HIGH_IDLE.
+ * @interval: the time between calls to the function, in milliseconds
+ * (1/1000ths of a second)
+ * @function: function to call
+ * @data: data to pass to @function
+ * @notify: (allow-none): function to call when the timeout is removed, or %NULL
+ *
+ * Sets a function to be called at regular intervals holding the GDK lock,
+ * with the given priority. The function is called repeatedly until it
+ * returns %FALSE, at which point the timeout is automatically destroyed
+ * and the function will not be called again. The @notify function is
+ * called when the timeout is destroyed. The first call to the
+ * function will be at the end of the first @interval.
+ *
+ * Note that timeout functions may be delayed, due to the processing of other
+ * event sources. Thus they should not be relied on for precise timing.
+ * After each call to the timeout function, the time of the next
+ * timeout is recalculated based on the current time and the given interval
+ * (it does not try to 'catch up' time lost in delays).
+ *
+ * This variant of g_timeout_add_full() can be thought of a MT-safe version
+ * for GTK+ widgets for the following use case:
+ *
+ * |[
+ * static gboolean timeout_callback (gpointer data)
+ * {
+ * SomeWidget *self = data;
+ *
+ * /* do stuff with self */
+ *
+ * self->timeout_id = 0;
+ *
+ * return FALSE;
+ * }
+ *
+ * static void some_widget_do_stuff_later (SomeWidget *self)
+ * {
+ * self->timeout_id = g_timeout_add (timeout_callback, self)
+ * }
+ *
+ * static void some_widget_finalize (GObject *object)
+ * {
+ * SomeWidget *self = SOME_WIDGET (object);
+ *
+ * if (self->timeout_id)
+ * g_source_remove (self->timeout_id);
+ *
+ * G_OBJECT_CLASS (parent_class)->finalize (object);
+ * }
+ * ]|
+ *
+ * Return value: the ID (greater than 0) of the event source.
+ *
+ * Since: 2.12
+ */
+guint
+gdk_threads_add_timeout_full (gint priority,
+ guint interval,
+ GSourceFunc function,
+ gpointer data,
+ GDestroyNotify notify)
+{
+ GdkThreadsDispatch *dispatch;
+
+ g_return_val_if_fail (function != NULL, 0);
+
+ dispatch = g_slice_new (GdkThreadsDispatch);
+ dispatch->func = function;
+ dispatch->data = data;
+ dispatch->destroy = notify;
+
+ return g_timeout_add_full (priority,
+ interval,
+ gdk_threads_dispatch,
+ dispatch,
+ gdk_threads_dispatch_free);
}
+/**
+ * gdk_threads_add_timeout:
+ * @interval: the time between calls to the function, in milliseconds
+ * (1/1000ths of a second)
+ * @function: function to call
+ * @data: data to pass to @function
+ *
+ * A wrapper for the common usage of gdk_threads_add_timeout_full()
+ * assigning the default priority, #G_PRIORITY_DEFAULT.
+ *
+ * See gdk_threads_add_timeout_full().
+ *
+ * Return value: the ID (greater than 0) of the event source.
+ *
+ * Since: 2.12
+ */
guint
-gdk_keyval_to_lower (guint keyval)
+gdk_threads_add_timeout (guint interval,
+ GSourceFunc function,
+ gpointer data)
{
- guint result;
-
- gdk_keyval_convert_case (keyval, &result, NULL);
+ return gdk_threads_add_timeout_full (G_PRIORITY_DEFAULT,
+ interval, function, data, NULL);
+}
- return result;
+
+/**
+ * gdk_threads_add_timeout_seconds_full:
+ * @priority: the priority of the timeout source. Typically this will be in the
+ * range between #G_PRIORITY_DEFAULT_IDLE and #G_PRIORITY_HIGH_IDLE.
+ * @interval: the time between calls to the function, in seconds
+ * @function: function to call
+ * @data: data to pass to @function
+ * @notify: (allow-none): function to call when the timeout is removed, or %NULL
+ *
+ * A variant of gdk_threads_add_timout_full() with second-granularity.
+ * See g_timeout_add_seconds_full() for a discussion of why it is
+ * a good idea to use this function if you don't need finer granularity.
+ *
+ * Return value: the ID (greater than 0) of the event source.
+ *
+ * Since: 2.14
+ */
+guint
+gdk_threads_add_timeout_seconds_full (gint priority,
+ guint interval,
+ GSourceFunc function,
+ gpointer data,
+ GDestroyNotify notify)
+{
+ GdkThreadsDispatch *dispatch;
+
+ g_return_val_if_fail (function != NULL, 0);
+
+ dispatch = g_slice_new (GdkThreadsDispatch);
+ dispatch->func = function;
+ dispatch->data = data;
+ dispatch->destroy = notify;
+
+ return g_timeout_add_seconds_full (priority,
+ interval,
+ gdk_threads_dispatch,
+ dispatch,
+ gdk_threads_dispatch_free);
}
-gboolean
-gdk_keyval_is_upper (guint keyval)
+/**
+ * gdk_threads_add_timeout_seconds:
+ * @interval: the time between calls to the function, in seconds
+ * @function: function to call
+ * @data: data to pass to @function
+ *
+ * A wrapper for the common usage of gdk_threads_add_timeout_seconds_full()
+ * assigning the default priority, #G_PRIORITY_DEFAULT.
+ *
+ * For details, see gdk_threads_add_timeout_full().
+ *
+ * Return value: the ID (greater than 0) of the event source.
+ *
+ * Since: 2.14
+ */
+guint
+gdk_threads_add_timeout_seconds (guint interval,
+ GSourceFunc function,
+ gpointer data)
{
- if (keyval)
- {
- guint upper_val = 0;
-
- gdk_keyval_convert_case (keyval, NULL, &upper_val);
- return upper_val == keyval;
- }
- return FALSE;
+ return gdk_threads_add_timeout_seconds_full (G_PRIORITY_DEFAULT,
+ interval, function, data, NULL);
}
-gboolean
-gdk_keyval_is_lower (guint keyval)
+
+G_CONST_RETURN char *
+gdk_get_program_class (void)
{
- if (keyval)
- {
- guint lower_val = 0;
-
- gdk_keyval_convert_case (keyval, &lower_val, NULL);
- return lower_val == keyval;
- }
- return FALSE;
+ return gdk_progclass;
}
void
-gdk_threads_enter ()
+gdk_set_program_class (const char *program_class)
{
- GDK_THREADS_ENTER ();
+ g_free (gdk_progclass);
+
+ gdk_progclass = g_strdup (program_class);
}
+/**
+ * gdk_enable_multidevice:
+ *
+ * Enables multidevice support in GDK. This call must happen prior
+ * to gdk_display_open(), gtk_init(), gtk_init_with_args() or
+ * gtk_init_check() in order to take effect.
+ *
+ * Note that individual #GdkWindow<!-- -->s still need to explicitly
+ * enable multidevice awareness through gdk_window_set_support_multidevice().
+ *
+ * This function must be called before initializing GDK.
+ *
+ * Since: 3.0
+ **/
void
-gdk_threads_leave ()
+gdk_enable_multidevice (void)
{
- GDK_THREADS_LEAVE ();
-}
+ if (gdk_initialized)
+ return;
+ _gdk_enable_multidevice = TRUE;
+}
projects / ~andy / gtk / blobdiff