1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
27 #ifdef GDK_WINDOWING_X11
28 #include <X11/Xlocale.h> /* so we get the right setlocale */
33 #ifdef HAVE_BIND_TEXTDOMAIN_CODESET
42 #include "gtkcompat.h"
45 #include "gtkselection.h"
46 #include "gtksignal.h"
47 #include "gtkwidget.h"
48 #include "gtkwindow.h"
49 #include "gtkprivate.h"
50 #include "gdk/gdki18n.h"
55 /* Private type definitions
57 typedef struct _GtkInitFunction GtkInitFunction;
58 typedef struct _GtkQuitFunction GtkQuitFunction;
59 typedef struct _GtkClosure GtkClosure;
60 typedef struct _GtkKeySnooperData GtkKeySnooperData;
62 struct _GtkInitFunction
68 struct _GtkQuitFunction
72 GtkCallbackMarshal marshal;
75 GtkDestroyNotify destroy;
80 GtkCallbackMarshal marshal;
82 GtkDestroyNotify destroy;
85 struct _GtkKeySnooperData
92 static void gtk_exit_func (void);
93 static gint gtk_quit_invoke_function (GtkQuitFunction *quitf);
94 static void gtk_quit_destroy (GtkQuitFunction *quitf);
95 static gint gtk_invoke_key_snoopers (GtkWidget *grab_widget,
98 static void gtk_destroy_closure (gpointer data);
99 static gboolean gtk_invoke_idle_timeout (gpointer data);
100 static void gtk_invoke_input (gpointer data,
102 GdkInputCondition condition);
105 static void gtk_error (gchar *str);
106 static void gtk_warning (gchar *str);
107 static void gtk_message (gchar *str);
108 static void gtk_print (gchar *str);
111 const guint gtk_major_version = GTK_MAJOR_VERSION;
112 const guint gtk_minor_version = GTK_MINOR_VERSION;
113 const guint gtk_micro_version = GTK_MICRO_VERSION;
114 const guint gtk_binary_age = GTK_BINARY_AGE;
115 const guint gtk_interface_age = GTK_INTERFACE_AGE;
117 static guint gtk_main_loop_level = 0;
118 static gint gtk_initialized = FALSE;
119 static GList *current_events = NULL;
121 static GSList *main_loops = NULL; /* stack of currently executing main loops */
123 static GSList *grabs = NULL; /* A stack of unique grabs. The grabbing
124 * widget is the first one on the list.
126 static GList *init_functions = NULL; /* A list of init functions.
128 static GList *quit_functions = NULL; /* A list of quit functions.
130 static GMemChunk *quit_mem_chunk = NULL;
132 static GSList *key_snoopers = NULL;
134 static GdkVisual *gtk_visual; /* The visual to be used in creating new
137 static GdkColormap *gtk_colormap; /* The colormap to be used in creating new
141 guint gtk_debug_flags = 0; /* Global GTK debug flag */
143 #ifdef G_ENABLE_DEBUG
144 static const GDebugKey gtk_debug_keys[] = {
145 {"objects", GTK_DEBUG_OBJECTS},
146 {"misc", GTK_DEBUG_MISC},
147 {"signals", GTK_DEBUG_SIGNALS},
148 {"dnd", GTK_DEBUG_DND},
149 {"plugsocket", GTK_DEBUG_PLUGSOCKET},
150 {"text", GTK_DEBUG_TEXT}
153 static const guint gtk_ndebug_keys = sizeof (gtk_debug_keys) / sizeof (GDebugKey);
155 #endif /* G_ENABLE_DEBUG */
158 gtk_check_version (guint required_major,
159 guint required_minor,
160 guint required_micro)
162 if (required_major > GTK_MAJOR_VERSION)
163 return "Gtk+ version too old (major mismatch)";
164 if (required_major < GTK_MAJOR_VERSION)
165 return "Gtk+ version too new (major mismatch)";
166 if (required_minor > GTK_MINOR_VERSION)
167 return "Gtk+ version too old (minor mismatch)";
168 if (required_minor < GTK_MINOR_VERSION)
169 return "Gtk+ version too new (minor mismatch)";
170 if (required_micro < GTK_MICRO_VERSION - GTK_BINARY_AGE)
171 return "Gtk+ version too new (micro mismatch)";
172 if (required_micro > GTK_MICRO_VERSION)
173 return "Gtk+ version too old (micro mismatch)";
178 static gchar *add_dll_suffix(gchar *module_name)
180 gchar *suffix = strrchr(module_name, '.');
182 if (!suffix || stricmp(suffix, ".dll"))
184 gchar *old = module_name;
186 module_name = g_strconcat (module_name, ".dll", NULL);
189 return (module_name);
193 #undef gtk_init_check
196 gtk_init_check (int *argc,
199 GSList *gtk_modules = NULL;
201 gchar *env_string = NULL;
207 g_set_error_handler (gtk_error);
208 g_set_warning_handler (gtk_warning);
209 g_set_message_handler (gtk_message);
210 g_set_print_handler (gtk_print);
213 /* Initialize "gdk". We pass along the 'argc' and 'argv'
214 * parameters as they contain information that GDK uses
216 if (!gdk_init_check (argc, argv))
219 gdk_event_handler_set ((GdkEventFunc)gtk_main_do_event, NULL, NULL);
221 #ifdef G_ENABLE_DEBUG
222 env_string = getenv ("GTK_DEBUG");
223 if (env_string != NULL)
225 gtk_debug_flags = g_parse_debug_string (env_string,
230 #endif /* G_ENABLE_DEBUG */
232 env_string = getenv ("GTK_MODULES");
235 gchar **modules, **as;
238 modules = g_strsplit (env_string, G_SEARCHPATH_SEPARATOR_S, -1);
240 modules = g_strsplit (env_string, ";", -1);
242 for (as = modules; *as; as++)
245 gtk_modules = g_slist_prepend (gtk_modules, *as);
257 for (i = 1; i < *argc;)
259 if (strcmp ("--gtk-module", (*argv)[i]) == 0 ||
260 strncmp ("--gtk-module=", (*argv)[i], 13) == 0)
262 gchar *module_name = (*argv)[i] + 12;
264 if (*module_name == '=')
266 else if (i + 1 < *argc)
270 module_name = (*argv)[i];
274 if (module_name && *module_name)
275 gtk_modules = g_slist_prepend (gtk_modules, g_strdup (module_name));
277 else if (strcmp ("--g-fatal-warnings", (*argv)[i]) == 0)
279 GLogLevelFlags fatal_mask;
281 fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);
282 fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;
283 g_log_set_always_fatal (fatal_mask);
286 #ifdef G_ENABLE_DEBUG
287 else if ((strcmp ("--gtk-debug", (*argv)[i]) == 0) ||
288 (strncmp ("--gtk-debug=", (*argv)[i], 12) == 0))
290 gchar *equal_pos = strchr ((*argv)[i], '=');
292 if (equal_pos != NULL)
294 gtk_debug_flags |= g_parse_debug_string (equal_pos+1,
298 else if ((i + 1) < *argc && (*argv)[i + 1])
300 gtk_debug_flags |= g_parse_debug_string ((*argv)[i+1],
308 else if ((strcmp ("--gtk-no-debug", (*argv)[i]) == 0) ||
309 (strncmp ("--gtk-no-debug=", (*argv)[i], 15) == 0))
311 gchar *equal_pos = strchr ((*argv)[i], '=');
313 if (equal_pos != NULL)
315 gtk_debug_flags &= ~g_parse_debug_string (equal_pos+1,
319 else if ((i + 1) < *argc && (*argv)[i + 1])
321 gtk_debug_flags &= ~g_parse_debug_string ((*argv)[i+1],
329 #endif /* G_ENABLE_DEBUG */
333 for (i = 1; i < *argc; i++)
335 for (k = i; k < *argc; k++)
336 if ((*argv)[k] != NULL)
342 for (j = i + k; j < *argc; j++)
343 (*argv)[j-k] = (*argv)[j];
349 /* load gtk modules */
350 gtk_modules = g_slist_reverse (gtk_modules);
351 for (slist = gtk_modules; slist; slist = slist->next)
354 GModule *module = NULL;
355 GtkModuleInitFunc modinit_func = NULL;
357 module_name = slist->data;
360 if (!g_path_is_absolute (module_name))
362 gchar *old = module_name;
364 module_name = g_module_build_path (NULL, module_name);
368 module_name = add_dll_suffix(module_name);
370 if (g_module_supported ())
372 module = g_module_open (module_name, G_MODULE_BIND_LAZY);
374 g_module_symbol (module, "gtk_module_init", (gpointer*) &modinit_func) &&
377 if (!g_slist_find (gtk_modules, modinit_func))
379 g_module_make_resident (module);
380 slist->data = modinit_func;
384 g_module_close (module);
391 g_message ("Failed to load module \"%s\": %s",
392 module ? g_module_name (module) : module_name,
395 g_module_close (module);
397 g_free (module_name);
402 bindtextdomain(GETTEXT_PACKAGE, GTK_LOCALEDIR);
403 # ifdef HAVE_BIND_TEXTDOMAIN_CODESET
404 bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
406 # else /* !G_OS_WIN32 */
408 /* GTk+ locale dir is %WinDir%\gtk+\locale */
409 bindtextdomain (GETTEXT_PACKAGE,
410 g_strconcat (gtk_win32_get_installation_directory (),
419 /* Translate to default:RTL if you want your widgets
420 * to be RTL, otherwise translate to default:LTR.
421 * Do *not* translate it to "predefinito:LTR", if it
422 * it isn't default:LTR or default:RTL it will not work
424 char *e = _("default:LTR");
425 if (strcmp (e, "default:RTL")==0) {
426 gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
427 } else if (strcmp (e, "default:LTR")) {
428 g_warning ("Whoever translated default:LTR did so wrongly.\n");
432 /* Initialize the default visual and colormap to be
433 * used in creating widgets. (We want to use the system
434 * defaults so as to be nice to the colormap).
436 gtk_visual = gdk_visual_get_system ();
437 gtk_colormap = gdk_colormap_get_system ();
444 /* Register an exit function to make sure we are able to cleanup.
446 g_atexit (gtk_exit_func);
448 /* Set the 'initialized' flag.
450 gtk_initialized = TRUE;
452 /* initialize gtk modules
454 for (slist = gtk_modules; slist; slist = slist->next)
458 GtkModuleInitFunc modinit;
460 modinit = slist->data;
461 modinit (argc, argv);
464 g_slist_free (gtk_modules);
467 /* No use warning on Win32, there aren't any non-devel versions anyhow... */
468 g_message ("" "YOU ARE USING THE DEVEL BRANCH 1.3.x OF GTK+ WHICH IS CURRENTLY\n"
469 " UNDER HEAVY DEVELOPMENT AND FREQUENTLY INTRODUCES INSTABILITIES.\n"
470 " if you don't know why you are getting this, you probably want to\n"
471 " use the stable branch which can be retrived from\n"
472 " ftp://ftp.gtk.org/pub/gtk/v1.2/ or via CVS with\n"
473 " cvs checkout -r glib-1-2 glib; cvs checkout -r gtk-1-2 gtk+");
482 gtk_init (int *argc, char ***argv)
484 if (!gtk_init_check (argc, argv))
486 g_warning ("cannot open display: %s", gdk_get_display ());
494 check_sizeof_GtkWindow (size_t sizeof_GtkWindow)
496 if (sizeof_GtkWindow != sizeof (GtkWindow))
497 g_error ("Incompatible build!\n"
498 "The code using GTK+ thinks GtkWindow is of different\n"
499 "size than it actually is in this build of GTK+.\n"
500 "On Windows, this probably means that you have compiled\n"
501 "your code with gcc without the -fnative-struct switch.");
504 /* These two functions might get more checks added later, thus pass
505 * in the number of extra args.
508 gtk_init_abi_check (int *argc, char ***argv, int num_checks, size_t sizeof_GtkWindow)
510 check_sizeof_GtkWindow (sizeof_GtkWindow);
511 gtk_init (argc, argv);
515 gtk_init_check_abi_check (int *argc, char ***argv, int num_checks, size_t sizeof_GtkWindow)
517 check_sizeof_GtkWindow (sizeof_GtkWindow);
518 return gtk_init_check (argc, argv);
524 gtk_exit (gint errorcode)
526 /* Only if "gtk" has been initialized should we de-initialize.
528 /* de-initialisation is done by the gtk_exit_funct(),
529 * no need to do this here (Alex J.)
535 gtk_set_locale (void)
537 return gdk_set_locale ();
541 gtk_get_default_language (void)
546 lang = g_strdup (setlocale (LC_CTYPE, NULL));
547 p = strchr (lang, '.');
550 p = strchr (lang, '@');
562 GtkInitFunction *init;
565 gtk_main_loop_level++;
567 loop = g_main_new (TRUE);
568 main_loops = g_slist_prepend (main_loops, loop);
570 tmp_list = functions = init_functions;
571 init_functions = NULL;
575 init = tmp_list->data;
576 tmp_list = tmp_list->next;
578 (* init->function) (init->data);
581 g_list_free (functions);
583 if (g_main_is_running (main_loops->data))
585 GDK_THREADS_LEAVE ();
587 GDK_THREADS_ENTER ();
593 GList *reinvoke_list = NULL;
594 GtkQuitFunction *quitf;
596 while (quit_functions)
598 quitf = quit_functions->data;
600 tmp_list = quit_functions;
601 quit_functions = g_list_remove_link (quit_functions, quit_functions);
602 g_list_free_1 (tmp_list);
604 if ((quitf->main_level && quitf->main_level != gtk_main_loop_level) ||
605 gtk_quit_invoke_function (quitf))
607 reinvoke_list = g_list_prepend (reinvoke_list, quitf);
611 gtk_quit_destroy (quitf);
618 work = g_list_last (reinvoke_list);
620 quit_functions->prev = work;
621 work->next = quit_functions;
622 quit_functions = work;
628 main_loops = g_slist_remove (main_loops, loop);
630 g_main_destroy (loop);
632 gtk_main_loop_level--;
636 gtk_main_level (void)
638 return gtk_main_loop_level;
644 g_return_if_fail (main_loops != NULL);
646 g_main_quit (main_loops->data);
650 gtk_events_pending (void)
654 GDK_THREADS_LEAVE ();
655 result = g_main_pending();
656 GDK_THREADS_ENTER ();
662 gtk_main_iteration (void)
664 GDK_THREADS_LEAVE ();
665 g_main_iteration (TRUE);
666 GDK_THREADS_ENTER ();
669 return !g_main_is_running (main_loops->data);
675 gtk_main_iteration_do (gboolean blocking)
677 GDK_THREADS_LEAVE ();
678 g_main_iteration (blocking);
679 GDK_THREADS_ENTER ();
682 return !g_main_is_running (main_loops->data);
688 gtk_main_do_event (GdkEvent *event)
690 GtkWidget *event_widget;
691 GtkWidget *grab_widget;
692 GdkEvent *next_event;
695 /* If there are any events pending then get the next one.
697 next_event = gdk_event_peek ();
699 /* Try to compress enter/leave notify events. These event
700 * pairs occur when the mouse is dragged quickly across
701 * a window with many buttons (or through a menu). Instead
702 * of highlighting and de-highlighting each widget that
703 * is crossed it is better to simply de-highlight the widget
704 * which contained the mouse initially and highlight the
705 * widget which ends up containing the mouse.
708 if (((event->type == GDK_ENTER_NOTIFY) ||
709 (event->type == GDK_LEAVE_NOTIFY)) &&
710 ((next_event->type == GDK_ENTER_NOTIFY) ||
711 (next_event->type == GDK_LEAVE_NOTIFY)) &&
712 (next_event->type != event->type) &&
713 (next_event->any.window == event->any.window))
715 /* Throw both the peeked copy and the queued copy away
717 gdk_event_free (next_event);
718 next_event = gdk_event_get ();
719 gdk_event_free (next_event);
725 gdk_event_free (next_event);
727 /* Find the widget which got the event. We store the widget
728 * in the user_data field of GdkWindow's.
729 * Ignore the event if we don't have a widget for it, except
730 * for GDK_PROPERTY_NOTIFY events which are handled specialy.
731 * Though this happens rarely, bogus events can occour
732 * for e.g. destroyed GdkWindows.
734 event_widget = gtk_get_event_widget (event);
737 /* To handle selection INCR transactions, we select
738 * PropertyNotify events on the requestor window and create
739 * a corresponding (fake) GdkWindow so that events get
740 * here. There won't be a widget though, so we have to handle
743 if (event->type == GDK_PROPERTY_NOTIFY)
744 gtk_selection_incr_event (event->any.window,
750 /* Push the event onto a stack of current events for
751 * gtk_current_event_get().
753 current_events = g_list_prepend (current_events, event);
755 /* If there is a grab in effect...
759 grab_widget = grabs->data;
761 /* If the grab widget is an ancestor of the event widget
762 * then we send the event to the original event widget.
763 * This is the key to implementing modality.
765 if (GTK_WIDGET_IS_SENSITIVE (event_widget) &&
766 gtk_widget_is_ancestor (event_widget, grab_widget))
767 grab_widget = event_widget;
771 grab_widget = event_widget;
774 /* Not all events get sent to the grabbing widget.
775 * The delete, destroy, expose, focus change and resize
776 * events still get sent to the event widget because
777 * 1) these events have no meaning for the grabbing widget
778 * and 2) redirecting these events to the grabbing widget
779 * could cause the display to be messed up.
781 * Drag events are also not redirected, since it isn't
782 * clear what the semantics of that would be.
790 gtk_widget_ref (event_widget);
791 if ((!grabs || gtk_widget_get_toplevel (grabs->data) == event_widget) &&
792 !gtk_widget_event (event_widget, event))
793 gtk_widget_destroy (event_widget);
794 gtk_widget_unref (event_widget);
798 /* Unexpected GDK_DESTROY from the outside, ignore for
799 * child windows, handle like a GDK_DELETE for toplevels
801 if (!event_widget->parent)
803 gtk_widget_ref (event_widget);
804 if (!gtk_widget_event (event_widget, event) &&
805 !GTK_OBJECT_DESTROYED (event_widget))
806 gtk_widget_destroy (event_widget);
807 gtk_widget_unref (event_widget);
812 if (event->any.window && GTK_WIDGET_DOUBLE_BUFFERED (event_widget))
813 gdk_window_begin_paint_rect (event->any.window, &event->expose.area);
815 gtk_widget_event (event_widget, event);
817 if (event->any.window && GTK_WIDGET_DOUBLE_BUFFERED (event_widget))
818 gdk_window_end_paint (event->any.window);
821 case GDK_PROPERTY_NOTIFY:
823 case GDK_FOCUS_CHANGE:
827 case GDK_SELECTION_CLEAR:
828 case GDK_SELECTION_REQUEST:
829 case GDK_SELECTION_NOTIFY:
830 case GDK_CLIENT_EVENT:
831 case GDK_VISIBILITY_NOTIFY:
832 gtk_widget_event (event_widget, event);
836 case GDK_BUTTON_PRESS:
837 case GDK_2BUTTON_PRESS:
838 case GDK_3BUTTON_PRESS:
839 gtk_propagate_event (grab_widget, event);
843 case GDK_KEY_RELEASE:
846 if (gtk_invoke_key_snoopers (grab_widget, event))
849 /* else fall through */
850 case GDK_MOTION_NOTIFY:
851 case GDK_BUTTON_RELEASE:
852 case GDK_PROXIMITY_IN:
853 case GDK_PROXIMITY_OUT:
854 gtk_propagate_event (grab_widget, event);
857 case GDK_ENTER_NOTIFY:
858 if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
860 gtk_widget_event (grab_widget, event);
861 if (event_widget == grab_widget)
862 GTK_PRIVATE_SET_FLAG (event_widget, GTK_LEAVE_PENDING);
866 case GDK_LEAVE_NOTIFY:
867 if (GTK_WIDGET_LEAVE_PENDING (event_widget))
869 GTK_PRIVATE_UNSET_FLAG (event_widget, GTK_LEAVE_PENDING);
870 gtk_widget_event (event_widget, event);
872 else if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
873 gtk_widget_event (grab_widget, event);
876 case GDK_DRAG_STATUS:
877 case GDK_DROP_FINISHED:
878 gtk_drag_source_handle_event (event_widget, event);
882 case GDK_DRAG_MOTION:
884 gtk_drag_dest_handle_event (event_widget, event);
888 tmp_list = current_events;
889 current_events = g_list_remove_link (current_events, tmp_list);
890 g_list_free_1 (tmp_list);
906 gtk_grab_add (GtkWidget *widget)
908 g_return_if_fail (widget != NULL);
910 if (!GTK_WIDGET_HAS_GRAB (widget))
912 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_GRAB);
914 grabs = g_slist_prepend (grabs, widget);
915 gtk_widget_ref (widget);
920 gtk_grab_get_current (void)
923 return GTK_WIDGET (grabs->data);
928 gtk_grab_remove (GtkWidget *widget)
930 g_return_if_fail (widget != NULL);
932 if (GTK_WIDGET_HAS_GRAB (widget))
934 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_GRAB);
936 grabs = g_slist_remove (grabs, widget);
937 gtk_widget_unref (widget);
942 gtk_init_add (GtkFunction function,
945 GtkInitFunction *init;
947 init = g_new (GtkInitFunction, 1);
948 init->function = function;
951 init_functions = g_list_prepend (init_functions, init);
955 gtk_key_snooper_install (GtkKeySnoopFunc snooper,
958 GtkKeySnooperData *data;
959 static guint snooper_id = 1;
961 g_return_val_if_fail (snooper != NULL, 0);
963 data = g_new (GtkKeySnooperData, 1);
964 data->func = snooper;
965 data->func_data = func_data;
966 data->id = snooper_id++;
967 key_snoopers = g_slist_prepend (key_snoopers, data);
973 gtk_key_snooper_remove (guint snooper_id)
975 GtkKeySnooperData *data = NULL;
978 slist = key_snoopers;
982 if (data->id == snooper_id)
989 key_snoopers = g_slist_remove (key_snoopers, data);
993 gtk_invoke_key_snoopers (GtkWidget *grab_widget,
997 gint return_val = FALSE;
999 slist = key_snoopers;
1000 while (slist && !return_val)
1002 GtkKeySnooperData *data;
1005 slist = slist->next;
1006 return_val = (*data->func) (grab_widget, (GdkEventKey*) event, data->func_data);
1013 gtk_quit_add_full (guint main_level,
1014 GtkFunction function,
1015 GtkCallbackMarshal marshal,
1017 GtkDestroyNotify destroy)
1019 static guint quit_id = 1;
1020 GtkQuitFunction *quitf;
1022 g_return_val_if_fail ((function != NULL) || (marshal != NULL), 0);
1024 if (!quit_mem_chunk)
1025 quit_mem_chunk = g_mem_chunk_new ("quit mem chunk", sizeof (GtkQuitFunction),
1026 512, G_ALLOC_AND_FREE);
1028 quitf = g_chunk_new (GtkQuitFunction, quit_mem_chunk);
1030 quitf->id = quit_id++;
1031 quitf->main_level = main_level;
1032 quitf->function = function;
1033 quitf->marshal = marshal;
1035 quitf->destroy = destroy;
1037 quit_functions = g_list_prepend (quit_functions, quitf);
1043 gtk_quit_destroy (GtkQuitFunction *quitf)
1046 quitf->destroy (quitf->data);
1047 g_mem_chunk_free (quit_mem_chunk, quitf);
1051 gtk_quit_destructor (GtkObject **object_p)
1054 gtk_object_destroy (*object_p);
1061 gtk_quit_add_destroy (guint main_level,
1064 GtkObject **object_p;
1066 g_return_if_fail (main_level > 0);
1067 g_return_if_fail (object != NULL);
1068 g_return_if_fail (GTK_IS_OBJECT (object));
1070 object_p = g_new (GtkObject*, 1);
1072 gtk_signal_connect (object,
1074 GTK_SIGNAL_FUNC (gtk_widget_destroyed),
1076 gtk_quit_add (main_level, (GtkFunction) gtk_quit_destructor, object_p);
1080 gtk_quit_add (guint main_level,
1081 GtkFunction function,
1084 return gtk_quit_add_full (main_level, function, NULL, data, NULL);
1088 gtk_quit_remove (guint id)
1090 GtkQuitFunction *quitf;
1093 tmp_list = quit_functions;
1096 quitf = tmp_list->data;
1098 if (quitf->id == id)
1100 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1101 g_list_free (tmp_list);
1102 gtk_quit_destroy (quitf);
1107 tmp_list = tmp_list->next;
1112 gtk_quit_remove_by_data (gpointer data)
1114 GtkQuitFunction *quitf;
1117 tmp_list = quit_functions;
1120 quitf = tmp_list->data;
1122 if (quitf->data == data)
1124 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1125 g_list_free (tmp_list);
1126 gtk_quit_destroy (quitf);
1131 tmp_list = tmp_list->next;
1136 gtk_timeout_add_full (guint32 interval,
1137 GtkFunction function,
1138 GtkCallbackMarshal marshal,
1140 GtkDestroyNotify destroy)
1144 GtkClosure *closure;
1146 closure = g_new (GtkClosure, 1);
1147 closure->marshal = marshal;
1148 closure->data = data;
1149 closure->destroy = destroy;
1151 return g_timeout_add_full (0, interval,
1152 gtk_invoke_idle_timeout,
1154 gtk_destroy_closure);
1157 return g_timeout_add_full (0, interval, function, data, destroy);
1161 gtk_timeout_add (guint32 interval,
1162 GtkFunction function,
1165 return g_timeout_add_full (0, interval, function, data, NULL);
1169 gtk_timeout_remove (guint tag)
1171 g_source_remove (tag);
1175 gtk_idle_add_full (gint priority,
1176 GtkFunction function,
1177 GtkCallbackMarshal marshal,
1179 GtkDestroyNotify destroy)
1183 GtkClosure *closure;
1185 closure = g_new (GtkClosure, 1);
1186 closure->marshal = marshal;
1187 closure->data = data;
1188 closure->destroy = destroy;
1190 return g_idle_add_full (priority,
1191 gtk_invoke_idle_timeout,
1193 gtk_destroy_closure);
1196 return g_idle_add_full (priority, function, data, destroy);
1200 gtk_idle_add (GtkFunction function,
1203 return g_idle_add_full (GTK_PRIORITY_DEFAULT, function, data, NULL);
1207 gtk_idle_add_priority (gint priority,
1208 GtkFunction function,
1211 return g_idle_add_full (priority, function, data, NULL);
1215 gtk_idle_remove (guint tag)
1217 g_source_remove (tag);
1221 gtk_idle_remove_by_data (gpointer data)
1223 if (!g_idle_remove_by_data (data))
1224 g_warning ("gtk_idle_remove_by_data(%p): no such idle", data);
1228 gtk_input_add_full (gint source,
1229 GdkInputCondition condition,
1230 GdkInputFunction function,
1231 GtkCallbackMarshal marshal,
1233 GtkDestroyNotify destroy)
1237 GtkClosure *closure;
1239 closure = g_new (GtkClosure, 1);
1240 closure->marshal = marshal;
1241 closure->data = data;
1242 closure->destroy = destroy;
1244 return gdk_input_add_full (source,
1246 (GdkInputFunction) gtk_invoke_input,
1248 (GdkDestroyNotify) gtk_destroy_closure);
1251 return gdk_input_add_full (source, condition, function, data, destroy);
1255 gtk_input_remove (guint tag)
1257 g_source_remove (tag);
1261 gtk_destroy_closure (gpointer data)
1263 GtkClosure *closure = data;
1265 if (closure->destroy)
1266 (closure->destroy) (closure->data);
1271 gtk_invoke_idle_timeout (gpointer data)
1273 GtkClosure *closure = data;
1276 gint ret_val = FALSE;
1277 args[0].name = NULL;
1278 args[0].type = GTK_TYPE_BOOL;
1279 args[0].d.pointer_data = &ret_val;
1280 closure->marshal (NULL, closure->data, 0, args);
1285 gtk_invoke_input (gpointer data,
1287 GdkInputCondition condition)
1289 GtkClosure *closure = data;
1292 args[0].type = GTK_TYPE_INT;
1293 args[0].name = NULL;
1294 GTK_VALUE_INT(args[0]) = source;
1295 args[1].type = GTK_TYPE_GDK_INPUT_CONDITION;
1296 args[1].name = NULL;
1297 GTK_VALUE_FLAGS(args[1]) = condition;
1298 args[2].type = GTK_TYPE_NONE;
1299 args[2].name = NULL;
1301 closure->marshal (NULL, closure->data, 2, args);
1305 gtk_get_current_event (void)
1308 return gdk_event_copy (current_events->data);
1314 * gtk_get_current_event_time:
1316 * If there is a current event and it has a timestamp, return that
1317 * timestamp, otherwise return %GDK_CURRENT_TIME.
1319 * Return value: the timestamp from the current event, or %GDK_CURRENT_TIME.
1322 gtk_get_current_event_time (void)
1325 return gdk_event_get_time (current_events->data);
1327 return GDK_CURRENT_TIME;
1331 gtk_get_current_event_state (GdkModifierType *state)
1333 g_return_val_if_fail (state != NULL, FALSE);
1336 return gdk_event_get_state (current_events->data, state);
1345 gtk_get_event_widget (GdkEvent *event)
1350 if (event && event->any.window)
1351 gdk_window_get_user_data (event->any.window, (void**) &widget);
1357 gtk_exit_func (void)
1359 if (gtk_initialized)
1361 gtk_initialized = FALSE;
1367 gtk_quit_invoke_function (GtkQuitFunction *quitf)
1369 if (!quitf->marshal)
1370 return quitf->function (quitf->data);
1374 gint ret_val = FALSE;
1376 args[0].name = NULL;
1377 args[0].type = GTK_TYPE_BOOL;
1378 args[0].d.pointer_data = &ret_val;
1379 ((GtkCallbackMarshal) quitf->marshal) (NULL,
1387 gtk_propagate_event (GtkWidget *widget,
1392 g_return_if_fail (widget != NULL);
1393 g_return_if_fail (GTK_IS_WIDGET (widget));
1394 g_return_if_fail (event != NULL);
1396 handled_event = FALSE;
1398 if ((event->type == GDK_KEY_PRESS) ||
1399 (event->type == GDK_KEY_RELEASE))
1401 /* Only send key events within Window widgets to the Window
1402 * The Window widget will in turn pass the
1403 * key event on to the currently focused widget
1408 window = gtk_widget_get_ancestor (widget, GTK_TYPE_WINDOW);
1411 if (GTK_WIDGET_IS_SENSITIVE (window))
1412 gtk_widget_event (window, event);
1414 handled_event = TRUE; /* don't send to widget */
1418 /* Other events get propagated up the widget tree
1419 * so that parents can see the button and motion
1420 * events of the children.
1422 while (!handled_event && widget)
1426 gtk_widget_ref (widget);
1427 handled_event = !GTK_WIDGET_IS_SENSITIVE (widget) || gtk_widget_event (widget, event);
1428 tmp = widget->parent;
1429 gtk_widget_unref (widget);
1436 gtk_error (gchar *str)
1442 gtk_warning (gchar *str)
1448 gtk_message (gchar *str)
1454 gtk_print (gchar *str)
1456 static GtkWidget *window = NULL;
1457 static GtkWidget *text;
1458 static int level = 0;
1462 GtkWidget *hscrollbar;
1463 GtkWidget *vscrollbar;
1464 GtkWidget *separator;
1469 fputs (str, stdout);
1476 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
1478 gtk_signal_connect (GTK_OBJECT (window), "destroy",
1479 (GtkSignalFunc) gtk_widget_destroyed,
1482 gtk_window_set_title (GTK_WINDOW (window), "Messages");
1484 box1 = gtk_vbox_new (FALSE, 0);
1485 gtk_container_add (GTK_CONTAINER (window), box1);
1486 gtk_widget_show (box1);
1489 box2 = gtk_vbox_new (FALSE, 10);
1490 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
1491 gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
1492 gtk_widget_show (box2);
1495 table = gtk_table_new (2, 2, FALSE);
1496 gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
1497 gtk_table_set_col_spacing (GTK_TABLE (table), 0, 2);
1498 gtk_box_pack_start (GTK_BOX (box2), table, TRUE, TRUE, 0);
1499 gtk_widget_show (table);
1501 text = gtk_text_new (NULL, NULL);
1502 gtk_text_set_editable (GTK_TEXT (text), FALSE);
1503 gtk_table_attach_defaults (GTK_TABLE (table), text, 0, 1, 0, 1);
1504 gtk_widget_show (text);
1505 gtk_widget_realize (text);
1507 hscrollbar = gtk_hscrollbar_new (GTK_TEXT (text)->hadj);
1508 gtk_table_attach (GTK_TABLE (table), hscrollbar, 0, 1, 1, 2,
1509 GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
1510 gtk_widget_show (hscrollbar);
1512 vscrollbar = gtk_vscrollbar_new (GTK_TEXT (text)->vadj);
1513 gtk_table_attach (GTK_TABLE (table), vscrollbar, 1, 2, 0, 1,
1514 GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
1515 gtk_widget_show (vscrollbar);
1517 separator = gtk_hseparator_new ();
1518 gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
1519 gtk_widget_show (separator);
1522 box2 = gtk_vbox_new (FALSE, 10);
1523 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
1524 gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
1525 gtk_widget_show (box2);
1528 button = gtk_button_new_with_label ("close");
1529 gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
1530 (GtkSignalFunc) gtk_widget_hide,
1531 GTK_OBJECT (window));
1532 gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
1533 GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
1534 gtk_widget_grab_default (button);
1535 gtk_widget_show (button);
1539 gtk_text_insert (GTK_TEXT (text), NULL, NULL, NULL, str, -1);
1542 if (!GTK_WIDGET_VISIBLE (window))
1543 gtk_widget_show (window);