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 */
36 #include "gtkbutton.h"
38 #include "gtkcompat.h"
39 #include "gtkhscrollbar.h"
40 #include "gtkhseparator.h"
42 #include "gtkpreview.h"
44 #include "gtkscrolledwindow.h"
45 #include "gtkselection.h"
46 #include "gtksignal.h"
50 #include "gtkvscrollbar.h"
51 #include "gtkwidget.h"
52 #include "gtkwindow.h"
53 #include "gtkprivate.h"
54 #include "gdk/gdki18n.h"
59 /* Private type definitions
61 typedef struct _GtkInitFunction GtkInitFunction;
62 typedef struct _GtkQuitFunction GtkQuitFunction;
63 typedef struct _GtkClosure GtkClosure;
64 typedef struct _GtkKeySnooperData GtkKeySnooperData;
66 struct _GtkInitFunction
72 struct _GtkQuitFunction
76 GtkCallbackMarshal marshal;
79 GtkDestroyNotify destroy;
84 GtkCallbackMarshal marshal;
86 GtkDestroyNotify destroy;
89 struct _GtkKeySnooperData
96 static void gtk_exit_func (void);
97 static gint gtk_quit_invoke_function (GtkQuitFunction *quitf);
98 static void gtk_quit_destroy (GtkQuitFunction *quitf);
99 static gint gtk_invoke_key_snoopers (GtkWidget *grab_widget,
102 static void gtk_destroy_closure (gpointer data);
103 static gboolean gtk_invoke_idle_timeout (gpointer data);
104 static void gtk_invoke_input (gpointer data,
106 GdkInputCondition condition);
109 static void gtk_error (gchar *str);
110 static void gtk_warning (gchar *str);
111 static void gtk_message (gchar *str);
112 static void gtk_print (gchar *str);
115 const guint gtk_major_version = GTK_MAJOR_VERSION;
116 const guint gtk_minor_version = GTK_MINOR_VERSION;
117 const guint gtk_micro_version = GTK_MICRO_VERSION;
118 const guint gtk_binary_age = GTK_BINARY_AGE;
119 const guint gtk_interface_age = GTK_INTERFACE_AGE;
121 static guint gtk_main_loop_level = 0;
122 static gint gtk_initialized = FALSE;
123 static GList *current_events = NULL;
125 static GSList *main_loops = NULL; /* stack of currently executing main loops */
127 static GSList *grabs = NULL; /* A stack of unique grabs. The grabbing
128 * widget is the first one on the list.
130 static GList *init_functions = NULL; /* A list of init functions.
132 static GList *quit_functions = NULL; /* A list of quit functions.
134 static GMemChunk *quit_mem_chunk = NULL;
136 static GSList *key_snoopers = NULL;
138 static GdkVisual *gtk_visual; /* The visual to be used in creating new
141 static GdkColormap *gtk_colormap; /* The colormap to be used in creating new
145 guint gtk_debug_flags = 0; /* Global GTK debug flag */
147 #ifdef G_ENABLE_DEBUG
148 static const GDebugKey gtk_debug_keys[] = {
149 {"objects", GTK_DEBUG_OBJECTS},
150 {"misc", GTK_DEBUG_MISC},
151 {"signals", GTK_DEBUG_SIGNALS},
152 {"dnd", GTK_DEBUG_DND},
153 {"plugsocket", GTK_DEBUG_PLUGSOCKET},
154 {"text", GTK_DEBUG_TEXT}
157 static const guint gtk_ndebug_keys = sizeof (gtk_debug_keys) / sizeof (GDebugKey);
159 #endif /* G_ENABLE_DEBUG */
162 gtk_check_version (guint required_major,
163 guint required_minor,
164 guint required_micro)
166 if (required_major > GTK_MAJOR_VERSION)
167 return "Gtk+ version too old (major mismatch)";
168 if (required_major < GTK_MAJOR_VERSION)
169 return "Gtk+ version too new (major mismatch)";
170 if (required_minor > GTK_MINOR_VERSION)
171 return "Gtk+ version too old (minor mismatch)";
172 if (required_minor < GTK_MINOR_VERSION)
173 return "Gtk+ version too new (minor mismatch)";
174 if (required_micro < GTK_MICRO_VERSION - GTK_BINARY_AGE)
175 return "Gtk+ version too new (micro mismatch)";
176 if (required_micro > GTK_MICRO_VERSION)
177 return "Gtk+ version too old (micro mismatch)";
182 static gchar *add_dll_suffix(gchar *module_name)
184 gchar *suffix = strrchr(module_name, '.');
186 if (!suffix || stricmp(suffix, ".dll"))
188 gchar *old = module_name;
190 module_name = g_strconcat (module_name, ".dll", NULL);
193 return (module_name);
198 gtk_init_check (int *argc,
201 GSList *gtk_modules = NULL;
203 gchar *env_string = NULL;
209 g_set_error_handler (gtk_error);
210 g_set_warning_handler (gtk_warning);
211 g_set_message_handler (gtk_message);
212 g_set_print_handler (gtk_print);
215 /* Initialize "gdk". We pass along the 'argc' and 'argv'
216 * parameters as they contain information that GDK uses
218 if (!gdk_init_check (argc, argv))
221 gdk_event_handler_set ((GdkEventFunc)gtk_main_do_event, NULL, NULL);
223 #ifdef G_ENABLE_DEBUG
224 env_string = getenv ("GTK_DEBUG");
225 if (env_string != NULL)
227 gtk_debug_flags = g_parse_debug_string (env_string,
232 #endif /* G_ENABLE_DEBUG */
234 env_string = getenv ("GTK_MODULES");
237 gchar **modules, **as;
240 modules = g_strsplit (env_string, G_SEARCHPATH_SEPARATOR_S, -1);
242 modules = g_strsplit (env_string, ";", -1);
244 for (as = modules; *as; as++)
247 gtk_modules = g_slist_prepend (gtk_modules, *as);
259 for (i = 1; i < *argc;)
261 if (strcmp ("--gtk-module", (*argv)[i]) == 0 ||
262 strncmp ("--gtk-module=", (*argv)[i], 13) == 0)
264 gchar *module_name = (*argv)[i] + 12;
266 if (*module_name == '=')
268 else if (i + 1 < *argc)
272 module_name = (*argv)[i];
276 if (module_name && *module_name)
277 gtk_modules = g_slist_prepend (gtk_modules, g_strdup (module_name));
279 else if (strcmp ("--g-fatal-warnings", (*argv)[i]) == 0)
281 GLogLevelFlags fatal_mask;
283 fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);
284 fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;
285 g_log_set_always_fatal (fatal_mask);
288 #ifdef G_ENABLE_DEBUG
289 else if ((strcmp ("--gtk-debug", (*argv)[i]) == 0) ||
290 (strncmp ("--gtk-debug=", (*argv)[i], 12) == 0))
292 gchar *equal_pos = strchr ((*argv)[i], '=');
294 if (equal_pos != NULL)
296 gtk_debug_flags |= g_parse_debug_string (equal_pos+1,
300 else if ((i + 1) < *argc && (*argv)[i + 1])
302 gtk_debug_flags |= g_parse_debug_string ((*argv)[i+1],
310 else if ((strcmp ("--gtk-no-debug", (*argv)[i]) == 0) ||
311 (strncmp ("--gtk-no-debug=", (*argv)[i], 15) == 0))
313 gchar *equal_pos = strchr ((*argv)[i], '=');
315 if (equal_pos != NULL)
317 gtk_debug_flags &= ~g_parse_debug_string (equal_pos+1,
321 else if ((i + 1) < *argc && (*argv)[i + 1])
323 gtk_debug_flags &= ~g_parse_debug_string ((*argv)[i+1],
331 #endif /* G_ENABLE_DEBUG */
335 for (i = 1; i < *argc; i++)
337 for (k = i; k < *argc; k++)
338 if ((*argv)[k] != NULL)
344 for (j = i + k; j < *argc; j++)
345 (*argv)[j-k] = (*argv)[j];
351 /* load gtk modules */
352 gtk_modules = g_slist_reverse (gtk_modules);
353 for (slist = gtk_modules; slist; slist = slist->next)
356 GModule *module = NULL;
357 GtkModuleInitFunc modinit_func = NULL;
359 module_name = slist->data;
362 if (!g_path_is_absolute (module_name))
364 gchar *old = module_name;
366 module_name = g_module_build_path (NULL, module_name);
370 module_name = add_dll_suffix(module_name);
372 if (g_module_supported ())
374 module = g_module_open (module_name, G_MODULE_BIND_LAZY);
376 g_module_symbol (module, "gtk_module_init", (gpointer*) &modinit_func) &&
379 if (!g_slist_find (gtk_modules, modinit_func))
381 g_module_make_resident (module);
382 slist->data = modinit_func;
386 g_module_close (module);
393 g_warning ("Failed to load module \"%s\": %s",
394 module ? g_module_name (module) : module_name,
397 g_module_close (module);
399 g_free (module_name);
404 bindtextdomain(GETTEXT_PACKAGE, GTK_LOCALEDIR);
407 /* GTk+ locale dir is %WinDir%\gtk+\locale */
408 bindtextdomain (GETTEXT_PACKAGE,
409 g_strconcat (gtk_win32_get_installation_directory (),
417 /* Initialize the default visual and colormap to be
418 * used in creating widgets. (We want to use the system
419 * defaults so as to be nice to the colormap).
421 gtk_visual = gdk_visual_get_system ();
422 gtk_colormap = gdk_colormap_get_system ();
429 /* Register an exit function to make sure we are able to cleanup.
431 g_atexit (gtk_exit_func);
433 /* Set the 'initialized' flag.
435 gtk_initialized = TRUE;
437 /* initialize gtk modules
439 for (slist = gtk_modules; slist; slist = slist->next)
443 GtkModuleInitFunc modinit;
445 modinit = slist->data;
446 modinit (argc, argv);
449 g_slist_free (gtk_modules);
452 /* No use warning on Win32, there aren't any non-devel versions anyhow... */
453 g_warning ("" "YOU ARE USING THE DEVEL BRANCH 1.3.x OF GTK+ WHICH IS CURRENTLY\n"
454 " UNDER HEAVY DEVELOPMENT AND FREQUENTLY INTRODUCES INSTABILITIES.\n"
455 " if you don't know why you are getting this, you probably want to\n"
456 " use the stable branch which can be retrived from\n"
457 " ftp://ftp.gtk.org/pub/gtk/v1.2/ or via CVS with\n"
458 " cvs checkout -r glib-1-2 glib; cvs checkout -r gtk-1-2 gtk+");
464 gtk_init (int *argc, char ***argv)
466 if (!gtk_init_check (argc, argv))
468 g_warning ("cannot open display: %s", gdk_get_display ());
474 gtk_exit (gint errorcode)
476 /* Only if "gtk" has been initialized should we de-initialize.
478 /* de-initialisation is done by the gtk_exit_funct(),
479 * no need to do this here (Alex J.)
485 gtk_set_locale (void)
487 return gdk_set_locale ();
491 gtk_get_default_language (void)
496 lang = g_strdup (setlocale (LC_CTYPE, NULL));
497 p = strchr (lang, '.');
500 p = strchr (lang, '@');
512 GtkInitFunction *init;
515 gtk_main_loop_level++;
517 loop = g_main_new (TRUE);
518 main_loops = g_slist_prepend (main_loops, loop);
520 tmp_list = functions = init_functions;
521 init_functions = NULL;
525 init = tmp_list->data;
526 tmp_list = tmp_list->next;
528 (* init->function) (init->data);
531 g_list_free (functions);
533 if (g_main_is_running (main_loops->data))
535 GDK_THREADS_LEAVE ();
537 GDK_THREADS_ENTER ();
543 GList *reinvoke_list = NULL;
544 GtkQuitFunction *quitf;
546 while (quit_functions)
548 quitf = quit_functions->data;
550 tmp_list = quit_functions;
551 quit_functions = g_list_remove_link (quit_functions, quit_functions);
552 g_list_free_1 (tmp_list);
554 if ((quitf->main_level && quitf->main_level != gtk_main_loop_level) ||
555 gtk_quit_invoke_function (quitf))
557 reinvoke_list = g_list_prepend (reinvoke_list, quitf);
561 gtk_quit_destroy (quitf);
568 work = g_list_last (reinvoke_list);
570 quit_functions->prev = work;
571 work->next = quit_functions;
572 quit_functions = work;
578 main_loops = g_slist_remove (main_loops, loop);
580 g_main_destroy (loop);
582 gtk_main_loop_level--;
586 gtk_main_level (void)
588 return gtk_main_loop_level;
594 g_return_if_fail (main_loops != NULL);
596 g_main_quit (main_loops->data);
600 gtk_events_pending (void)
604 GDK_THREADS_LEAVE ();
605 result = g_main_pending();
606 GDK_THREADS_ENTER ();
612 gtk_main_iteration (void)
614 GDK_THREADS_LEAVE ();
615 g_main_iteration (TRUE);
616 GDK_THREADS_ENTER ();
619 return !g_main_is_running (main_loops->data);
625 gtk_main_iteration_do (gboolean blocking)
627 GDK_THREADS_LEAVE ();
628 g_main_iteration (blocking);
629 GDK_THREADS_ENTER ();
632 return !g_main_is_running (main_loops->data);
638 gtk_main_do_event (GdkEvent *event)
640 GtkWidget *event_widget;
641 GtkWidget *grab_widget;
642 GdkEvent *next_event;
645 /* If there are any events pending then get the next one.
647 next_event = gdk_event_peek ();
649 /* Try to compress enter/leave notify events. These event
650 * pairs occur when the mouse is dragged quickly across
651 * a window with many buttons (or through a menu). Instead
652 * of highlighting and de-highlighting each widget that
653 * is crossed it is better to simply de-highlight the widget
654 * which contained the mouse initially and highlight the
655 * widget which ends up containing the mouse.
658 if (((event->type == GDK_ENTER_NOTIFY) ||
659 (event->type == GDK_LEAVE_NOTIFY)) &&
660 ((next_event->type == GDK_ENTER_NOTIFY) ||
661 (next_event->type == GDK_LEAVE_NOTIFY)) &&
662 (next_event->type != event->type) &&
663 (next_event->any.window == event->any.window))
665 /* Throw both the peeked copy and the queued copy away
667 gdk_event_free (next_event);
668 next_event = gdk_event_get ();
669 gdk_event_free (next_event);
675 gdk_event_free (next_event);
677 /* Find the widget which got the event. We store the widget
678 * in the user_data field of GdkWindow's.
679 * Ignore the event if we don't have a widget for it, except
680 * for GDK_PROPERTY_NOTIFY events which are handled specialy.
681 * Though this happens rarely, bogus events can occour
682 * for e.g. destroyed GdkWindows.
684 event_widget = gtk_get_event_widget (event);
687 /* To handle selection INCR transactions, we select
688 * PropertyNotify events on the requestor window and create
689 * a corresponding (fake) GdkWindow so that events get
690 * here. There won't be a widget though, so we have to handle
693 if (event->type == GDK_PROPERTY_NOTIFY)
694 gtk_selection_incr_event (event->any.window,
700 /* Push the event onto a stack of current events for
701 * gtk_current_event_get().
703 current_events = g_list_prepend (current_events, event);
705 /* If there is a grab in effect...
709 grab_widget = grabs->data;
711 /* If the grab widget is an ancestor of the event widget
712 * then we send the event to the original event widget.
713 * This is the key to implementing modality.
715 if (GTK_WIDGET_IS_SENSITIVE (event_widget) &&
716 gtk_widget_is_ancestor (event_widget, grab_widget))
717 grab_widget = event_widget;
721 grab_widget = event_widget;
724 /* Not all events get sent to the grabbing widget.
725 * The delete, destroy, expose, focus change and resize
726 * events still get sent to the event widget because
727 * 1) these events have no meaning for the grabbing widget
728 * and 2) redirecting these events to the grabbing widget
729 * could cause the display to be messed up.
731 * Drag events are also not redirected, since it isn't
732 * clear what the semantics of that would be.
740 gtk_widget_ref (event_widget);
741 if ((!grabs || gtk_widget_get_toplevel (grabs->data) == event_widget) &&
742 !gtk_widget_event (event_widget, event))
743 gtk_widget_destroy (event_widget);
744 gtk_widget_unref (event_widget);
748 /* Unexpected GDK_DESTROY from the outside, ignore for
749 * child windows, handle like a GDK_DELETE for toplevels
751 if (!event_widget->parent)
753 gtk_widget_ref (event_widget);
754 if (!gtk_widget_event (event_widget, event) &&
755 !GTK_OBJECT_DESTROYED (event_widget))
756 gtk_widget_destroy (event_widget);
757 gtk_widget_unref (event_widget);
762 if (event->any.window && GTK_WIDGET_DOUBLE_BUFFERED (event_widget))
763 gdk_window_begin_paint_rect (event->any.window, &event->expose.area);
765 gtk_widget_event (event_widget, event);
767 if (event->any.window && GTK_WIDGET_DOUBLE_BUFFERED (event_widget))
768 gdk_window_end_paint (event->any.window);
771 case GDK_PROPERTY_NOTIFY:
773 case GDK_FOCUS_CHANGE:
777 case GDK_SELECTION_CLEAR:
778 case GDK_SELECTION_REQUEST:
779 case GDK_SELECTION_NOTIFY:
780 case GDK_CLIENT_EVENT:
781 case GDK_VISIBILITY_NOTIFY:
782 gtk_widget_event (event_widget, event);
786 case GDK_BUTTON_PRESS:
787 case GDK_2BUTTON_PRESS:
788 case GDK_3BUTTON_PRESS:
789 gtk_propagate_event (grab_widget, event);
793 case GDK_KEY_RELEASE:
796 if (gtk_invoke_key_snoopers (grab_widget, event))
799 /* else fall through */
800 case GDK_MOTION_NOTIFY:
801 case GDK_BUTTON_RELEASE:
802 case GDK_PROXIMITY_IN:
803 case GDK_PROXIMITY_OUT:
804 gtk_propagate_event (grab_widget, event);
807 case GDK_ENTER_NOTIFY:
808 if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
810 gtk_widget_event (grab_widget, event);
811 if (event_widget == grab_widget)
812 GTK_PRIVATE_SET_FLAG (event_widget, GTK_LEAVE_PENDING);
816 case GDK_LEAVE_NOTIFY:
817 if (GTK_WIDGET_LEAVE_PENDING (event_widget))
819 GTK_PRIVATE_UNSET_FLAG (event_widget, GTK_LEAVE_PENDING);
820 gtk_widget_event (event_widget, event);
822 else if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
823 gtk_widget_event (grab_widget, event);
826 case GDK_DRAG_STATUS:
827 case GDK_DROP_FINISHED:
828 gtk_drag_source_handle_event (event_widget, event);
832 case GDK_DRAG_MOTION:
834 gtk_drag_dest_handle_event (event_widget, event);
838 tmp_list = current_events;
839 current_events = g_list_remove_link (current_events, tmp_list);
840 g_list_free_1 (tmp_list);
856 gtk_grab_add (GtkWidget *widget)
858 g_return_if_fail (widget != NULL);
860 if (!GTK_WIDGET_HAS_GRAB (widget))
862 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_GRAB);
864 grabs = g_slist_prepend (grabs, widget);
865 gtk_widget_ref (widget);
870 gtk_grab_get_current (void)
873 return GTK_WIDGET (grabs->data);
878 gtk_grab_remove (GtkWidget *widget)
880 g_return_if_fail (widget != NULL);
882 if (GTK_WIDGET_HAS_GRAB (widget))
884 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_GRAB);
886 grabs = g_slist_remove (grabs, widget);
887 gtk_widget_unref (widget);
892 gtk_init_add (GtkFunction function,
895 GtkInitFunction *init;
897 init = g_new (GtkInitFunction, 1);
898 init->function = function;
901 init_functions = g_list_prepend (init_functions, init);
905 gtk_key_snooper_install (GtkKeySnoopFunc snooper,
908 GtkKeySnooperData *data;
909 static guint snooper_id = 1;
911 g_return_val_if_fail (snooper != NULL, 0);
913 data = g_new (GtkKeySnooperData, 1);
914 data->func = snooper;
915 data->func_data = func_data;
916 data->id = snooper_id++;
917 key_snoopers = g_slist_prepend (key_snoopers, data);
923 gtk_key_snooper_remove (guint snooper_id)
925 GtkKeySnooperData *data = NULL;
928 slist = key_snoopers;
932 if (data->id == snooper_id)
939 key_snoopers = g_slist_remove (key_snoopers, data);
943 gtk_invoke_key_snoopers (GtkWidget *grab_widget,
947 gint return_val = FALSE;
949 slist = key_snoopers;
950 while (slist && !return_val)
952 GtkKeySnooperData *data;
956 return_val = (*data->func) (grab_widget, (GdkEventKey*) event, data->func_data);
963 gtk_quit_add_full (guint main_level,
964 GtkFunction function,
965 GtkCallbackMarshal marshal,
967 GtkDestroyNotify destroy)
969 static guint quit_id = 1;
970 GtkQuitFunction *quitf;
972 g_return_val_if_fail ((function != NULL) || (marshal != NULL), 0);
975 quit_mem_chunk = g_mem_chunk_new ("quit mem chunk", sizeof (GtkQuitFunction),
976 512, G_ALLOC_AND_FREE);
978 quitf = g_chunk_new (GtkQuitFunction, quit_mem_chunk);
980 quitf->id = quit_id++;
981 quitf->main_level = main_level;
982 quitf->function = function;
983 quitf->marshal = marshal;
985 quitf->destroy = destroy;
987 quit_functions = g_list_prepend (quit_functions, quitf);
993 gtk_quit_destroy (GtkQuitFunction *quitf)
996 quitf->destroy (quitf->data);
997 g_mem_chunk_free (quit_mem_chunk, quitf);
1001 gtk_quit_destructor (GtkObject **object_p)
1004 gtk_object_destroy (*object_p);
1011 gtk_quit_add_destroy (guint main_level,
1014 GtkObject **object_p;
1016 g_return_if_fail (main_level > 0);
1017 g_return_if_fail (object != NULL);
1018 g_return_if_fail (GTK_IS_OBJECT (object));
1020 object_p = g_new (GtkObject*, 1);
1022 gtk_signal_connect (object,
1024 GTK_SIGNAL_FUNC (gtk_widget_destroyed),
1026 gtk_quit_add (main_level, (GtkFunction) gtk_quit_destructor, object_p);
1030 gtk_quit_add (guint main_level,
1031 GtkFunction function,
1034 return gtk_quit_add_full (main_level, function, NULL, data, NULL);
1038 gtk_quit_remove (guint id)
1040 GtkQuitFunction *quitf;
1043 tmp_list = quit_functions;
1046 quitf = tmp_list->data;
1048 if (quitf->id == id)
1050 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1051 g_list_free (tmp_list);
1052 gtk_quit_destroy (quitf);
1057 tmp_list = tmp_list->next;
1062 gtk_quit_remove_by_data (gpointer data)
1064 GtkQuitFunction *quitf;
1067 tmp_list = quit_functions;
1070 quitf = tmp_list->data;
1072 if (quitf->data == data)
1074 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1075 g_list_free (tmp_list);
1076 gtk_quit_destroy (quitf);
1081 tmp_list = tmp_list->next;
1086 gtk_timeout_add_full (guint32 interval,
1087 GtkFunction function,
1088 GtkCallbackMarshal marshal,
1090 GtkDestroyNotify destroy)
1094 GtkClosure *closure;
1096 closure = g_new (GtkClosure, 1);
1097 closure->marshal = marshal;
1098 closure->data = data;
1099 closure->destroy = destroy;
1101 return g_timeout_add_full (0, interval,
1102 gtk_invoke_idle_timeout,
1104 gtk_destroy_closure);
1107 return g_timeout_add_full (0, interval, function, data, destroy);
1111 gtk_timeout_add (guint32 interval,
1112 GtkFunction function,
1115 return g_timeout_add_full (0, interval, function, data, NULL);
1119 gtk_timeout_remove (guint tag)
1121 g_source_remove (tag);
1125 gtk_idle_add_full (gint priority,
1126 GtkFunction function,
1127 GtkCallbackMarshal marshal,
1129 GtkDestroyNotify destroy)
1133 GtkClosure *closure;
1135 closure = g_new (GtkClosure, 1);
1136 closure->marshal = marshal;
1137 closure->data = data;
1138 closure->destroy = destroy;
1140 return g_idle_add_full (priority,
1141 gtk_invoke_idle_timeout,
1143 gtk_destroy_closure);
1146 return g_idle_add_full (priority, function, data, destroy);
1150 gtk_idle_add (GtkFunction function,
1153 return g_idle_add_full (GTK_PRIORITY_DEFAULT, function, data, NULL);
1157 gtk_idle_add_priority (gint priority,
1158 GtkFunction function,
1161 return g_idle_add_full (priority, function, data, NULL);
1165 gtk_idle_remove (guint tag)
1167 g_source_remove (tag);
1171 gtk_idle_remove_by_data (gpointer data)
1173 if (!g_idle_remove_by_data (data))
1174 g_warning ("gtk_idle_remove_by_data(%p): no such idle", data);
1178 gtk_input_add_full (gint source,
1179 GdkInputCondition condition,
1180 GdkInputFunction function,
1181 GtkCallbackMarshal marshal,
1183 GtkDestroyNotify destroy)
1187 GtkClosure *closure;
1189 closure = g_new (GtkClosure, 1);
1190 closure->marshal = marshal;
1191 closure->data = data;
1192 closure->destroy = destroy;
1194 return gdk_input_add_full (source,
1196 (GdkInputFunction) gtk_invoke_input,
1198 (GdkDestroyNotify) gtk_destroy_closure);
1201 return gdk_input_add_full (source, condition, function, data, destroy);
1205 gtk_input_remove (guint tag)
1207 g_source_remove (tag);
1211 gtk_destroy_closure (gpointer data)
1213 GtkClosure *closure = data;
1215 if (closure->destroy)
1216 (closure->destroy) (closure->data);
1221 gtk_invoke_idle_timeout (gpointer data)
1223 GtkClosure *closure = data;
1226 gint ret_val = FALSE;
1227 args[0].name = NULL;
1228 args[0].type = GTK_TYPE_BOOL;
1229 args[0].d.pointer_data = &ret_val;
1230 closure->marshal (NULL, closure->data, 0, args);
1235 gtk_invoke_input (gpointer data,
1237 GdkInputCondition condition)
1239 GtkClosure *closure = data;
1242 args[0].type = GTK_TYPE_INT;
1243 args[0].name = NULL;
1244 GTK_VALUE_INT(args[0]) = source;
1245 args[1].type = GTK_TYPE_GDK_INPUT_CONDITION;
1246 args[1].name = NULL;
1247 GTK_VALUE_FLAGS(args[1]) = condition;
1248 args[2].type = GTK_TYPE_NONE;
1249 args[2].name = NULL;
1251 closure->marshal (NULL, closure->data, 2, args);
1255 gtk_get_current_event (void)
1258 return gdk_event_copy ((GdkEvent *) current_events->data);
1264 gtk_get_event_widget (GdkEvent *event)
1269 if (event && event->any.window)
1270 gdk_window_get_user_data (event->any.window, (void**) &widget);
1276 gtk_exit_func (void)
1278 if (gtk_initialized)
1280 gtk_initialized = FALSE;
1281 gtk_preview_uninit ();
1287 gtk_quit_invoke_function (GtkQuitFunction *quitf)
1289 if (!quitf->marshal)
1290 return quitf->function (quitf->data);
1294 gint ret_val = FALSE;
1296 args[0].name = NULL;
1297 args[0].type = GTK_TYPE_BOOL;
1298 args[0].d.pointer_data = &ret_val;
1299 ((GtkCallbackMarshal) quitf->marshal) (NULL,
1307 gtk_propagate_event (GtkWidget *widget,
1312 g_return_if_fail (widget != NULL);
1313 g_return_if_fail (GTK_IS_WIDGET (widget));
1314 g_return_if_fail (event != NULL);
1316 handled_event = FALSE;
1318 if ((event->type == GDK_KEY_PRESS) ||
1319 (event->type == GDK_KEY_RELEASE))
1321 /* Only send key events within Window widgets to the Window
1322 * The Window widget will in turn pass the
1323 * key event on to the currently focused widget
1328 window = gtk_widget_get_ancestor (widget, GTK_TYPE_WINDOW);
1331 if (GTK_WIDGET_IS_SENSITIVE (window))
1332 gtk_widget_event (window, event);
1334 handled_event = TRUE; /* don't send to widget */
1338 /* Other events get propagated up the widget tree
1339 * so that parents can see the button and motion
1340 * events of the children.
1342 while (!handled_event && widget)
1346 gtk_widget_ref (widget);
1347 handled_event = !GTK_WIDGET_IS_SENSITIVE (widget) || gtk_widget_event (widget, event);
1348 tmp = widget->parent;
1349 gtk_widget_unref (widget);
1356 gtk_error (gchar *str)
1362 gtk_warning (gchar *str)
1368 gtk_message (gchar *str)
1374 gtk_print (gchar *str)
1376 static GtkWidget *window = NULL;
1377 static GtkWidget *text;
1378 static int level = 0;
1382 GtkWidget *hscrollbar;
1383 GtkWidget *vscrollbar;
1384 GtkWidget *separator;
1389 fputs (str, stdout);
1396 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
1398 gtk_signal_connect (GTK_OBJECT (window), "destroy",
1399 (GtkSignalFunc) gtk_widget_destroyed,
1402 gtk_window_set_title (GTK_WINDOW (window), "Messages");
1404 box1 = gtk_vbox_new (FALSE, 0);
1405 gtk_container_add (GTK_CONTAINER (window), box1);
1406 gtk_widget_show (box1);
1409 box2 = gtk_vbox_new (FALSE, 10);
1410 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
1411 gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
1412 gtk_widget_show (box2);
1415 table = gtk_table_new (2, 2, FALSE);
1416 gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
1417 gtk_table_set_col_spacing (GTK_TABLE (table), 0, 2);
1418 gtk_box_pack_start (GTK_BOX (box2), table, TRUE, TRUE, 0);
1419 gtk_widget_show (table);
1421 text = gtk_text_new (NULL, NULL);
1422 gtk_text_set_editable (GTK_TEXT (text), FALSE);
1423 gtk_table_attach_defaults (GTK_TABLE (table), text, 0, 1, 0, 1);
1424 gtk_widget_show (text);
1425 gtk_widget_realize (text);
1427 hscrollbar = gtk_hscrollbar_new (GTK_TEXT (text)->hadj);
1428 gtk_table_attach (GTK_TABLE (table), hscrollbar, 0, 1, 1, 2,
1429 GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
1430 gtk_widget_show (hscrollbar);
1432 vscrollbar = gtk_vscrollbar_new (GTK_TEXT (text)->vadj);
1433 gtk_table_attach (GTK_TABLE (table), vscrollbar, 1, 2, 0, 1,
1434 GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
1435 gtk_widget_show (vscrollbar);
1437 separator = gtk_hseparator_new ();
1438 gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
1439 gtk_widget_show (separator);
1442 box2 = gtk_vbox_new (FALSE, 10);
1443 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
1444 gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
1445 gtk_widget_show (box2);
1448 button = gtk_button_new_with_label ("close");
1449 gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
1450 (GtkSignalFunc) gtk_widget_hide,
1451 GTK_OBJECT (window));
1452 gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
1453 GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
1454 gtk_widget_grab_default (button);
1455 gtk_widget_show (button);
1459 gtk_text_insert (GTK_TEXT (text), NULL, NULL, NULL, str, -1);
1462 if (!GTK_WIDGET_VISIBLE (window))
1463 gtk_widget_show (window);