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 Library 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 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library 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 1997-1999. 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("gtk+", GTK_LOCALEDIR);
407 /* GTk+ locale dir is %WinDir%\gtk+\locale */
408 extern char *get_gtk_sysconf_directory ();
409 bindtextdomain ("gtk+", g_strconcat (get_gtk_sysconf_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 ();
495 GtkInitFunction *init;
498 gtk_main_loop_level++;
500 loop = g_main_new (TRUE);
501 main_loops = g_slist_prepend (main_loops, loop);
503 tmp_list = functions = init_functions;
504 init_functions = NULL;
508 init = tmp_list->data;
509 tmp_list = tmp_list->next;
511 (* init->function) (init->data);
514 g_list_free (functions);
516 if (g_main_is_running (main_loops->data))
518 GDK_THREADS_LEAVE ();
520 GDK_THREADS_ENTER ();
526 GList *reinvoke_list = NULL;
527 GtkQuitFunction *quitf;
529 while (quit_functions)
531 quitf = quit_functions->data;
533 tmp_list = quit_functions;
534 quit_functions = g_list_remove_link (quit_functions, quit_functions);
535 g_list_free_1 (tmp_list);
537 if ((quitf->main_level && quitf->main_level != gtk_main_loop_level) ||
538 gtk_quit_invoke_function (quitf))
540 reinvoke_list = g_list_prepend (reinvoke_list, quitf);
544 gtk_quit_destroy (quitf);
551 work = g_list_last (reinvoke_list);
553 quit_functions->prev = work;
554 work->next = quit_functions;
555 quit_functions = work;
561 main_loops = g_slist_remove (main_loops, loop);
563 g_main_destroy (loop);
565 gtk_main_loop_level--;
569 gtk_main_level (void)
571 return gtk_main_loop_level;
577 g_return_if_fail (main_loops != NULL);
579 g_main_quit (main_loops->data);
583 gtk_events_pending (void)
587 GDK_THREADS_LEAVE ();
588 result = g_main_pending();
589 GDK_THREADS_ENTER ();
595 gtk_main_iteration (void)
597 GDK_THREADS_LEAVE ();
598 g_main_iteration (TRUE);
599 GDK_THREADS_ENTER ();
602 return !g_main_is_running (main_loops->data);
608 gtk_main_iteration_do (gboolean blocking)
610 GDK_THREADS_LEAVE ();
611 g_main_iteration (blocking);
612 GDK_THREADS_ENTER ();
615 return !g_main_is_running (main_loops->data);
621 gtk_main_do_event (GdkEvent *event)
623 GtkWidget *event_widget;
624 GtkWidget *grab_widget;
625 GdkEvent *next_event;
628 /* If there are any events pending then get the next one.
630 next_event = gdk_event_peek ();
632 /* Try to compress enter/leave notify events. These event
633 * pairs occur when the mouse is dragged quickly across
634 * a window with many buttons (or through a menu). Instead
635 * of highlighting and de-highlighting each widget that
636 * is crossed it is better to simply de-highlight the widget
637 * which contained the mouse initially and highlight the
638 * widget which ends up containing the mouse.
641 if (((event->type == GDK_ENTER_NOTIFY) ||
642 (event->type == GDK_LEAVE_NOTIFY)) &&
643 ((next_event->type == GDK_ENTER_NOTIFY) ||
644 (next_event->type == GDK_LEAVE_NOTIFY)) &&
645 (next_event->type != event->type) &&
646 (next_event->any.window == event->any.window))
648 /* Throw both the peeked copy and the queued copy away
650 gdk_event_free (next_event);
651 next_event = gdk_event_get ();
652 gdk_event_free (next_event);
658 gdk_event_free (next_event);
660 /* Find the widget which got the event. We store the widget
661 * in the user_data field of GdkWindow's.
662 * Ignore the event if we don't have a widget for it, except
663 * for GDK_PROPERTY_NOTIFY events which are handled specialy.
664 * Though this happens rarely, bogus events can occour
665 * for e.g. destroyed GdkWindows.
667 event_widget = gtk_get_event_widget (event);
670 /* To handle selection INCR transactions, we select
671 * PropertyNotify events on the requestor window and create
672 * a corresponding (fake) GdkWindow so that events get
673 * here. There won't be a widget though, so we have to handle
676 if (event->type == GDK_PROPERTY_NOTIFY)
677 gtk_selection_incr_event (event->any.window,
683 /* Push the event onto a stack of current events for
684 * gtk_current_event_get().
686 current_events = g_list_prepend (current_events, event);
688 /* If there is a grab in effect...
692 grab_widget = grabs->data;
694 /* If the grab widget is an ancestor of the event widget
695 * then we send the event to the original event widget.
696 * This is the key to implementing modality.
698 if (GTK_WIDGET_IS_SENSITIVE (event_widget) &&
699 gtk_widget_is_ancestor (event_widget, grab_widget))
700 grab_widget = event_widget;
704 grab_widget = event_widget;
707 /* Not all events get sent to the grabbing widget.
708 * The delete, destroy, expose, focus change and resize
709 * events still get sent to the event widget because
710 * 1) these events have no meaning for the grabbing widget
711 * and 2) redirecting these events to the grabbing widget
712 * could cause the display to be messed up.
714 * Drag events are also not redirected, since it isn't
715 * clear what the semantics of that would be.
723 gtk_widget_ref (event_widget);
724 if ((!grabs || gtk_widget_get_toplevel (grabs->data) == event_widget) &&
725 !gtk_widget_event (event_widget, event))
726 gtk_widget_destroy (event_widget);
727 gtk_widget_unref (event_widget);
731 /* Unexpected GDK_DESTROY from the outside, ignore for
732 * child windows, handle like a GDK_DELETE for toplevels
734 if (!event_widget->parent)
736 gtk_widget_ref (event_widget);
737 if (!gtk_widget_event (event_widget, event) &&
738 !GTK_OBJECT_DESTROYED (event_widget))
739 gtk_widget_destroy (event_widget);
740 gtk_widget_unref (event_widget);
745 if (event->any.window && GTK_WIDGET_DOUBLE_BUFFERED (event_widget))
746 gdk_window_begin_paint_rect (event->any.window, &event->expose.area);
748 gtk_widget_event (event_widget, event);
750 if (event->any.window && GTK_WIDGET_DOUBLE_BUFFERED (event_widget))
751 gdk_window_end_paint (event->any.window);
754 case GDK_PROPERTY_NOTIFY:
756 case GDK_FOCUS_CHANGE:
760 case GDK_SELECTION_CLEAR:
761 case GDK_SELECTION_REQUEST:
762 case GDK_SELECTION_NOTIFY:
763 case GDK_CLIENT_EVENT:
764 case GDK_VISIBILITY_NOTIFY:
765 gtk_widget_event (event_widget, event);
769 case GDK_BUTTON_PRESS:
770 case GDK_2BUTTON_PRESS:
771 case GDK_3BUTTON_PRESS:
772 gtk_propagate_event (grab_widget, event);
776 case GDK_KEY_RELEASE:
779 if (gtk_invoke_key_snoopers (grab_widget, event))
782 /* else fall through */
783 case GDK_MOTION_NOTIFY:
784 case GDK_BUTTON_RELEASE:
785 case GDK_PROXIMITY_IN:
786 case GDK_PROXIMITY_OUT:
787 gtk_propagate_event (grab_widget, event);
790 case GDK_ENTER_NOTIFY:
791 if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
793 gtk_widget_event (grab_widget, event);
794 if (event_widget == grab_widget)
795 GTK_PRIVATE_SET_FLAG (event_widget, GTK_LEAVE_PENDING);
799 case GDK_LEAVE_NOTIFY:
800 if (GTK_WIDGET_LEAVE_PENDING (event_widget))
802 GTK_PRIVATE_UNSET_FLAG (event_widget, GTK_LEAVE_PENDING);
803 gtk_widget_event (event_widget, event);
805 else if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
806 gtk_widget_event (grab_widget, event);
809 case GDK_DRAG_STATUS:
810 case GDK_DROP_FINISHED:
811 gtk_drag_source_handle_event (event_widget, event);
815 case GDK_DRAG_MOTION:
817 gtk_drag_dest_handle_event (event_widget, event);
821 tmp_list = current_events;
822 current_events = g_list_remove_link (current_events, tmp_list);
823 g_list_free_1 (tmp_list);
839 gtk_grab_add (GtkWidget *widget)
841 g_return_if_fail (widget != NULL);
843 if (!GTK_WIDGET_HAS_GRAB (widget))
845 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_GRAB);
847 grabs = g_slist_prepend (grabs, widget);
848 gtk_widget_ref (widget);
853 gtk_grab_get_current (void)
856 return GTK_WIDGET (grabs->data);
861 gtk_grab_remove (GtkWidget *widget)
863 g_return_if_fail (widget != NULL);
865 if (GTK_WIDGET_HAS_GRAB (widget))
867 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_GRAB);
869 grabs = g_slist_remove (grabs, widget);
870 gtk_widget_unref (widget);
875 gtk_init_add (GtkFunction function,
878 GtkInitFunction *init;
880 init = g_new (GtkInitFunction, 1);
881 init->function = function;
884 init_functions = g_list_prepend (init_functions, init);
888 gtk_key_snooper_install (GtkKeySnoopFunc snooper,
891 GtkKeySnooperData *data;
892 static guint snooper_id = 1;
894 g_return_val_if_fail (snooper != NULL, 0);
896 data = g_new (GtkKeySnooperData, 1);
897 data->func = snooper;
898 data->func_data = func_data;
899 data->id = snooper_id++;
900 key_snoopers = g_slist_prepend (key_snoopers, data);
906 gtk_key_snooper_remove (guint snooper_id)
908 GtkKeySnooperData *data = NULL;
911 slist = key_snoopers;
915 if (data->id == snooper_id)
922 key_snoopers = g_slist_remove (key_snoopers, data);
926 gtk_invoke_key_snoopers (GtkWidget *grab_widget,
930 gint return_val = FALSE;
932 slist = key_snoopers;
933 while (slist && !return_val)
935 GtkKeySnooperData *data;
939 return_val = (*data->func) (grab_widget, (GdkEventKey*) event, data->func_data);
946 gtk_quit_add_full (guint main_level,
947 GtkFunction function,
948 GtkCallbackMarshal marshal,
950 GtkDestroyNotify destroy)
952 static guint quit_id = 1;
953 GtkQuitFunction *quitf;
955 g_return_val_if_fail ((function != NULL) || (marshal != NULL), 0);
958 quit_mem_chunk = g_mem_chunk_new ("quit mem chunk", sizeof (GtkQuitFunction),
959 512, G_ALLOC_AND_FREE);
961 quitf = g_chunk_new (GtkQuitFunction, quit_mem_chunk);
963 quitf->id = quit_id++;
964 quitf->main_level = main_level;
965 quitf->function = function;
966 quitf->marshal = marshal;
968 quitf->destroy = destroy;
970 quit_functions = g_list_prepend (quit_functions, quitf);
976 gtk_quit_destroy (GtkQuitFunction *quitf)
979 quitf->destroy (quitf->data);
980 g_mem_chunk_free (quit_mem_chunk, quitf);
984 gtk_quit_destructor (GtkObject **object_p)
987 gtk_object_destroy (*object_p);
994 gtk_quit_add_destroy (guint main_level,
997 GtkObject **object_p;
999 g_return_if_fail (main_level > 0);
1000 g_return_if_fail (object != NULL);
1001 g_return_if_fail (GTK_IS_OBJECT (object));
1003 object_p = g_new (GtkObject*, 1);
1005 gtk_signal_connect (object,
1007 GTK_SIGNAL_FUNC (gtk_widget_destroyed),
1009 gtk_quit_add (main_level, (GtkFunction) gtk_quit_destructor, object_p);
1013 gtk_quit_add (guint main_level,
1014 GtkFunction function,
1017 return gtk_quit_add_full (main_level, function, NULL, data, NULL);
1021 gtk_quit_remove (guint id)
1023 GtkQuitFunction *quitf;
1026 tmp_list = quit_functions;
1029 quitf = tmp_list->data;
1031 if (quitf->id == id)
1033 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1034 g_list_free (tmp_list);
1035 gtk_quit_destroy (quitf);
1040 tmp_list = tmp_list->next;
1045 gtk_quit_remove_by_data (gpointer data)
1047 GtkQuitFunction *quitf;
1050 tmp_list = quit_functions;
1053 quitf = tmp_list->data;
1055 if (quitf->data == data)
1057 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1058 g_list_free (tmp_list);
1059 gtk_quit_destroy (quitf);
1064 tmp_list = tmp_list->next;
1069 gtk_timeout_add_full (guint32 interval,
1070 GtkFunction function,
1071 GtkCallbackMarshal marshal,
1073 GtkDestroyNotify destroy)
1077 GtkClosure *closure;
1079 closure = g_new (GtkClosure, 1);
1080 closure->marshal = marshal;
1081 closure->data = data;
1082 closure->destroy = destroy;
1084 return g_timeout_add_full (0, interval,
1085 gtk_invoke_idle_timeout,
1087 gtk_destroy_closure);
1090 return g_timeout_add_full (0, interval, function, data, destroy);
1094 gtk_timeout_add (guint32 interval,
1095 GtkFunction function,
1098 return g_timeout_add_full (0, interval, function, data, NULL);
1102 gtk_timeout_remove (guint tag)
1104 g_source_remove (tag);
1108 gtk_idle_add_full (gint priority,
1109 GtkFunction function,
1110 GtkCallbackMarshal marshal,
1112 GtkDestroyNotify destroy)
1116 GtkClosure *closure;
1118 closure = g_new (GtkClosure, 1);
1119 closure->marshal = marshal;
1120 closure->data = data;
1121 closure->destroy = destroy;
1123 return g_idle_add_full (priority,
1124 gtk_invoke_idle_timeout,
1126 gtk_destroy_closure);
1129 return g_idle_add_full (priority, function, data, destroy);
1133 gtk_idle_add (GtkFunction function,
1136 return g_idle_add_full (GTK_PRIORITY_DEFAULT, function, data, NULL);
1140 gtk_idle_add_priority (gint priority,
1141 GtkFunction function,
1144 return g_idle_add_full (priority, function, data, NULL);
1148 gtk_idle_remove (guint tag)
1150 g_source_remove (tag);
1154 gtk_idle_remove_by_data (gpointer data)
1156 if (!g_idle_remove_by_data (data))
1157 g_warning ("gtk_idle_remove_by_data(%p): no such idle", data);
1161 gtk_input_add_full (gint source,
1162 GdkInputCondition condition,
1163 GdkInputFunction function,
1164 GtkCallbackMarshal marshal,
1166 GtkDestroyNotify destroy)
1170 GtkClosure *closure;
1172 closure = g_new (GtkClosure, 1);
1173 closure->marshal = marshal;
1174 closure->data = data;
1175 closure->destroy = destroy;
1177 return gdk_input_add_full (source,
1179 (GdkInputFunction) gtk_invoke_input,
1181 (GdkDestroyNotify) gtk_destroy_closure);
1184 return gdk_input_add_full (source, condition, function, data, destroy);
1188 gtk_input_remove (guint tag)
1190 g_source_remove (tag);
1194 gtk_destroy_closure (gpointer data)
1196 GtkClosure *closure = data;
1198 if (closure->destroy)
1199 (closure->destroy) (closure->data);
1204 gtk_invoke_idle_timeout (gpointer data)
1206 GtkClosure *closure = data;
1209 gint ret_val = FALSE;
1210 args[0].name = NULL;
1211 args[0].type = GTK_TYPE_BOOL;
1212 args[0].d.pointer_data = &ret_val;
1213 closure->marshal (NULL, closure->data, 0, args);
1218 gtk_invoke_input (gpointer data,
1220 GdkInputCondition condition)
1222 GtkClosure *closure = data;
1225 args[0].type = GTK_TYPE_INT;
1226 args[0].name = NULL;
1227 GTK_VALUE_INT(args[0]) = source;
1228 args[1].type = GTK_TYPE_GDK_INPUT_CONDITION;
1229 args[1].name = NULL;
1230 GTK_VALUE_FLAGS(args[1]) = condition;
1231 args[2].type = GTK_TYPE_NONE;
1232 args[2].name = NULL;
1234 closure->marshal (NULL, closure->data, 2, args);
1238 gtk_get_current_event (void)
1241 return gdk_event_copy ((GdkEvent *) current_events->data);
1247 gtk_get_event_widget (GdkEvent *event)
1252 if (event && event->any.window)
1253 gdk_window_get_user_data (event->any.window, (void**) &widget);
1259 gtk_exit_func (void)
1261 if (gtk_initialized)
1263 gtk_initialized = FALSE;
1264 gtk_preview_uninit ();
1270 gtk_quit_invoke_function (GtkQuitFunction *quitf)
1272 if (!quitf->marshal)
1273 return quitf->function (quitf->data);
1277 gint ret_val = FALSE;
1279 args[0].name = NULL;
1280 args[0].type = GTK_TYPE_BOOL;
1281 args[0].d.pointer_data = &ret_val;
1282 ((GtkCallbackMarshal) quitf->marshal) (NULL,
1290 gtk_propagate_event (GtkWidget *widget,
1295 g_return_if_fail (widget != NULL);
1296 g_return_if_fail (GTK_IS_WIDGET (widget));
1297 g_return_if_fail (event != NULL);
1299 handled_event = FALSE;
1301 if ((event->type == GDK_KEY_PRESS) ||
1302 (event->type == GDK_KEY_RELEASE))
1304 /* Only send key events within Window widgets to the Window
1305 * The Window widget will in turn pass the
1306 * key event on to the currently focused widget
1311 window = gtk_widget_get_ancestor (widget, GTK_TYPE_WINDOW);
1314 if (GTK_WIDGET_IS_SENSITIVE (window))
1315 gtk_widget_event (window, event);
1317 handled_event = TRUE; /* don't send to widget */
1321 /* Other events get propagated up the widget tree
1322 * so that parents can see the button and motion
1323 * events of the children.
1325 while (!handled_event && widget)
1329 gtk_widget_ref (widget);
1330 handled_event = !GTK_WIDGET_IS_SENSITIVE (widget) || gtk_widget_event (widget, event);
1331 tmp = widget->parent;
1332 gtk_widget_unref (widget);
1339 gtk_error (gchar *str)
1345 gtk_warning (gchar *str)
1351 gtk_message (gchar *str)
1357 gtk_print (gchar *str)
1359 static GtkWidget *window = NULL;
1360 static GtkWidget *text;
1361 static int level = 0;
1365 GtkWidget *hscrollbar;
1366 GtkWidget *vscrollbar;
1367 GtkWidget *separator;
1372 fputs (str, stdout);
1379 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
1381 gtk_signal_connect (GTK_OBJECT (window), "destroy",
1382 (GtkSignalFunc) gtk_widget_destroyed,
1385 gtk_window_set_title (GTK_WINDOW (window), "Messages");
1387 box1 = gtk_vbox_new (FALSE, 0);
1388 gtk_container_add (GTK_CONTAINER (window), box1);
1389 gtk_widget_show (box1);
1392 box2 = gtk_vbox_new (FALSE, 10);
1393 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
1394 gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
1395 gtk_widget_show (box2);
1398 table = gtk_table_new (2, 2, FALSE);
1399 gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
1400 gtk_table_set_col_spacing (GTK_TABLE (table), 0, 2);
1401 gtk_box_pack_start (GTK_BOX (box2), table, TRUE, TRUE, 0);
1402 gtk_widget_show (table);
1404 text = gtk_text_new (NULL, NULL);
1405 gtk_text_set_editable (GTK_TEXT (text), FALSE);
1406 gtk_table_attach_defaults (GTK_TABLE (table), text, 0, 1, 0, 1);
1407 gtk_widget_show (text);
1408 gtk_widget_realize (text);
1410 hscrollbar = gtk_hscrollbar_new (GTK_TEXT (text)->hadj);
1411 gtk_table_attach (GTK_TABLE (table), hscrollbar, 0, 1, 1, 2,
1412 GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
1413 gtk_widget_show (hscrollbar);
1415 vscrollbar = gtk_vscrollbar_new (GTK_TEXT (text)->vadj);
1416 gtk_table_attach (GTK_TABLE (table), vscrollbar, 1, 2, 0, 1,
1417 GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
1418 gtk_widget_show (vscrollbar);
1420 separator = gtk_hseparator_new ();
1421 gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
1422 gtk_widget_show (separator);
1425 box2 = gtk_vbox_new (FALSE, 10);
1426 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
1427 gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
1428 gtk_widget_show (box2);
1431 button = gtk_button_new_with_label ("close");
1432 gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
1433 (GtkSignalFunc) gtk_widget_hide,
1434 GTK_OBJECT (window));
1435 gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
1436 GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
1437 gtk_widget_grab_default (button);
1438 gtk_widget_show (button);
1442 gtk_text_insert (GTK_TEXT (text), NULL, NULL, NULL, str, -1);
1445 if (!GTK_WIDGET_VISIBLE (window))
1446 gtk_widget_show (window);