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 #include "gdkx.h" /* For GDK_WINDOWING */
29 #if GDK_WINDOWING == GDK_WINDOWING_X11
30 #include <X11/Xlocale.h> /* so we get the right setlocale */
38 #include "gtkbutton.h"
40 #include "gtkcompat.h"
41 #include "gtkhscrollbar.h"
42 #include "gtkhseparator.h"
44 #include "gtkpreview.h"
46 #include "gtkscrolledwindow.h"
47 #include "gtkselection.h"
48 #include "gtksignal.h"
52 #include "gtkvscrollbar.h"
53 #include "gtkwidget.h"
54 #include "gtkwindow.h"
55 #include "gtkprivate.h"
56 #include "gdk/gdki18n.h"
61 /* Private type definitions
63 typedef struct _GtkInitFunction GtkInitFunction;
64 typedef struct _GtkQuitFunction GtkQuitFunction;
65 typedef struct _GtkClosure GtkClosure;
66 typedef struct _GtkKeySnooperData GtkKeySnooperData;
68 struct _GtkInitFunction
74 struct _GtkQuitFunction
78 GtkCallbackMarshal marshal;
81 GtkDestroyNotify destroy;
86 GtkCallbackMarshal marshal;
88 GtkDestroyNotify destroy;
91 struct _GtkKeySnooperData
98 static void gtk_exit_func (void);
99 static gint gtk_quit_invoke_function (GtkQuitFunction *quitf);
100 static void gtk_quit_destroy (GtkQuitFunction *quitf);
101 static gint gtk_invoke_key_snoopers (GtkWidget *grab_widget,
104 static void gtk_destroy_closure (gpointer data);
105 static gboolean gtk_invoke_idle_timeout (gpointer data);
106 static void gtk_invoke_input (gpointer data,
108 GdkInputCondition condition);
111 static void gtk_error (gchar *str);
112 static void gtk_warning (gchar *str);
113 static void gtk_message (gchar *str);
114 static void gtk_print (gchar *str);
117 const guint gtk_major_version = GTK_MAJOR_VERSION;
118 const guint gtk_minor_version = GTK_MINOR_VERSION;
119 const guint gtk_micro_version = GTK_MICRO_VERSION;
120 const guint gtk_binary_age = GTK_BINARY_AGE;
121 const guint gtk_interface_age = GTK_INTERFACE_AGE;
123 static guint gtk_main_loop_level = 0;
124 static gint gtk_initialized = FALSE;
125 static GList *current_events = NULL;
127 static GSList *main_loops = NULL; /* stack of currently executing main loops */
129 static GSList *grabs = NULL; /* A stack of unique grabs. The grabbing
130 * widget is the first one on the list.
132 static GList *init_functions = NULL; /* A list of init functions.
134 static GList *quit_functions = NULL; /* A list of quit functions.
136 static GMemChunk *quit_mem_chunk = NULL;
138 static GSList *key_snoopers = NULL;
140 static GdkVisual *gtk_visual; /* The visual to be used in creating new
143 static GdkColormap *gtk_colormap; /* The colormap to be used in creating new
147 guint gtk_debug_flags = 0; /* Global GTK debug flag */
149 #ifdef G_ENABLE_DEBUG
150 static const GDebugKey gtk_debug_keys[] = {
151 {"objects", GTK_DEBUG_OBJECTS},
152 {"misc", GTK_DEBUG_MISC},
153 {"signals", GTK_DEBUG_SIGNALS},
154 {"dnd", GTK_DEBUG_DND},
155 {"plugsocket", GTK_DEBUG_PLUGSOCKET}
158 static const guint gtk_ndebug_keys = sizeof (gtk_debug_keys) / sizeof (GDebugKey);
160 #endif /* G_ENABLE_DEBUG */
163 gtk_check_version (guint required_major,
164 guint required_minor,
165 guint required_micro)
167 if (required_major > GTK_MAJOR_VERSION)
168 return "Gtk+ version too old (major mismatch)";
169 if (required_major < GTK_MAJOR_VERSION)
170 return "Gtk+ version too new (major mismatch)";
171 if (required_minor > GTK_MINOR_VERSION)
172 return "Gtk+ version too old (minor mismatch)";
173 if (required_minor < GTK_MINOR_VERSION)
174 return "Gtk+ version too new (minor mismatch)";
175 if (required_micro < GTK_MICRO_VERSION - GTK_BINARY_AGE)
176 return "Gtk+ version too new (micro mismatch)";
177 if (required_micro > GTK_MICRO_VERSION)
178 return "Gtk+ version too old (micro mismatch)";
183 static gchar *add_dll_suffix(gchar *module_name)
185 gchar *suffix = strrchr(module_name, '.');
187 if (!suffix || stricmp(suffix, ".dll"))
189 gchar *old = module_name;
191 module_name = g_strconcat (module_name, ".dll", NULL);
194 return (module_name);
199 gtk_init_check (int *argc,
202 extern void gtk_object_post_arg_parsing_init (void);
203 GSList *gtk_modules = NULL;
205 gchar *env_string = NULL;
211 g_set_error_handler (gtk_error);
212 g_set_warning_handler (gtk_warning);
213 g_set_message_handler (gtk_message);
214 g_set_print_handler (gtk_print);
217 /* Initialize "gdk". We pass along the 'argc' and 'argv'
218 * parameters as they contain information that GDK uses
220 if (!gdk_init_check (argc, argv))
223 gdk_event_handler_set ((GdkEventFunc)gtk_main_do_event, NULL, NULL);
225 #ifdef G_ENABLE_DEBUG
226 env_string = getenv ("GTK_DEBUG");
227 if (env_string != NULL)
229 gtk_debug_flags = g_parse_debug_string (env_string,
234 #endif /* G_ENABLE_DEBUG */
236 env_string = getenv ("GTK_MODULES");
239 gchar **modules, **as;
242 modules = g_strsplit (env_string, G_SEARCHPATH_SEPARATOR_S, -1);
244 modules = g_strsplit (env_string, ";", -1);
246 for (as = modules; *as; as++)
249 gtk_modules = g_slist_prepend (gtk_modules, *as);
261 for (i = 1; i < *argc;)
263 if (strcmp ("--gtk-module", (*argv)[i]) == 0 ||
264 strncmp ("--gtk-module=", (*argv)[i], 13) == 0)
266 gchar *module_name = (*argv)[i] + 12;
268 if (*module_name == '=')
274 module_name = (*argv)[i];
278 gtk_modules = g_slist_prepend (gtk_modules, g_strdup (module_name));
280 else if (strcmp ("--g-fatal-warnings", (*argv)[i]) == 0)
282 GLogLevelFlags fatal_mask;
284 fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);
285 fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;
286 g_log_set_always_fatal (fatal_mask);
289 #ifdef G_ENABLE_DEBUG
290 else if ((strcmp ("--gtk-debug", (*argv)[i]) == 0) ||
291 (strncmp ("--gtk-debug=", (*argv)[i], 12) == 0))
293 gchar *equal_pos = strchr ((*argv)[i], '=');
295 if (equal_pos != NULL)
297 gtk_debug_flags |= g_parse_debug_string (equal_pos+1,
301 else if ((i + 1) < *argc && (*argv)[i + 1])
303 gtk_debug_flags |= g_parse_debug_string ((*argv)[i+1],
311 else if ((strcmp ("--gtk-no-debug", (*argv)[i]) == 0) ||
312 (strncmp ("--gtk-no-debug=", (*argv)[i], 15) == 0))
314 gchar *equal_pos = strchr ((*argv)[i], '=');
316 if (equal_pos != NULL)
318 gtk_debug_flags &= ~g_parse_debug_string (equal_pos+1,
322 else if ((i + 1) < *argc && (*argv)[i + 1])
324 gtk_debug_flags &= ~g_parse_debug_string ((*argv)[i+1],
332 #endif /* G_ENABLE_DEBUG */
336 for (i = 1; i < *argc; i++)
338 for (k = i; k < *argc; k++)
339 if ((*argv)[k] != NULL)
345 for (j = i + k; j < *argc; j++)
346 (*argv)[j-k] = (*argv)[j];
352 /* load gtk modules */
353 gtk_modules = g_slist_reverse (gtk_modules);
354 for (slist = gtk_modules; slist; slist = slist->next)
357 GModule *module = NULL;
358 GtkModuleInitFunc modinit_func = NULL;
360 module_name = slist->data;
363 if (!g_path_is_absolute (module_name))
365 gchar *old = module_name;
367 module_name = g_module_build_path (NULL, module_name);
371 module_name = add_dll_suffix(module_name);
373 if (g_module_supported ())
375 module = g_module_open (module_name, G_MODULE_BIND_LAZY);
377 g_module_symbol (module, "gtk_module_init", (gpointer*) &modinit_func) &&
380 if (!g_slist_find (gtk_modules, modinit_func))
382 g_module_make_resident (module);
383 slist->data = modinit_func;
387 g_module_close (module);
394 g_warning ("Failed to load module \"%s\": %s",
395 module ? g_module_name (module) : module_name,
398 g_module_close (module);
400 g_free (module_name);
405 bindtextdomain("gtk+", GTK_LOCALEDIR);
408 /* GTk+ locale dir is %WinDir%\gtk\locale */
409 extern char *get_gtk_sysconf_directory ();
410 bindtextdomain ("gtk+", g_strconcat (get_gtk_sysconf_directory (),
418 /* Initialize the default visual and colormap to be
419 * used in creating widgets. (We want to use the system
420 * defaults so as to be nice to the colormap).
422 gtk_visual = gdk_visual_get_system ();
423 gtk_colormap = gdk_colormap_get_system ();
426 gtk_object_post_arg_parsing_init ();
431 /* Register an exit function to make sure we are able to cleanup.
433 g_atexit (gtk_exit_func);
435 /* Set the 'initialized' flag.
437 gtk_initialized = TRUE;
439 /* initialize gtk modules
441 for (slist = gtk_modules; slist; slist = slist->next)
445 GtkModuleInitFunc modinit;
447 modinit = slist->data;
448 modinit (argc, argv);
451 g_slist_free (gtk_modules);
454 /* No use warning on Win32, there aren't any non-devel versions anyhow... */
455 g_warning ("" "YOU ARE USING THE DEVEL BRANCH 1.3.x OF GTK+ WHICH IS CURRENTLY\n"
456 " UNDER HEAVY DEVELOPMENT AND FREQUENTLY INTRODUCES INSTABILITIES.\n"
457 " if you don't know why you are getting this, you probably want to\n"
458 " use the stable branch which can be retrived from\n"
459 " ftp://ftp.gtk.org/pub/gtk/v1.2/ or via CVS with\n"
460 " cvs checkout -r glib-1-2 glib; cvs checkout -r gtk-1-2 gtk+");
466 gtk_init (int *argc, char ***argv)
468 if (!gtk_init_check (argc, argv))
470 g_warning ("cannot open display: %s", gdk_get_display ());
476 gtk_exit (int errorcode)
478 /* Only if "gtk" has been initialized should we de-initialize.
480 /* de-initialisation is done by the gtk_exit_funct(),
481 * no need to do this here (Alex J.)
487 gtk_set_locale (void)
489 return gdk_set_locale ();
497 GtkInitFunction *init;
500 gtk_main_loop_level++;
502 loop = g_main_new (TRUE);
503 main_loops = g_slist_prepend (main_loops, loop);
505 tmp_list = functions = init_functions;
506 init_functions = NULL;
510 init = tmp_list->data;
511 tmp_list = tmp_list->next;
513 (* init->function) (init->data);
516 g_list_free (functions);
518 if (g_main_is_running (main_loops->data))
520 GDK_THREADS_LEAVE ();
522 GDK_THREADS_ENTER ();
528 GList *reinvoke_list = NULL;
529 GtkQuitFunction *quitf;
531 while (quit_functions)
533 quitf = quit_functions->data;
535 quit_functions = g_list_remove_link (quit_functions, quit_functions);
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 g_list_free (tmp_list);
545 gtk_quit_destroy (quitf);
552 work = g_list_last (reinvoke_list);
554 quit_functions->prev = work;
555 work->next = quit_functions;
556 quit_functions = work;
562 main_loops = g_slist_remove (main_loops, loop);
564 g_main_destroy (loop);
566 gtk_main_loop_level--;
570 gtk_main_level (void)
572 return gtk_main_loop_level;
578 g_return_if_fail (main_loops != NULL);
580 g_main_quit (main_loops->data);
584 gtk_events_pending (void)
586 return g_main_pending();
590 gtk_main_iteration (void)
592 g_main_iteration (TRUE);
595 return !g_main_is_running (main_loops->data);
601 gtk_main_iteration_do (gboolean blocking)
603 g_main_iteration (blocking);
606 return !g_main_is_running (main_loops->data);
612 gtk_main_do_event (GdkEvent *event)
614 GtkWidget *event_widget;
615 GtkWidget *grab_widget;
616 GdkEvent *next_event;
619 /* If there are any events pending then get the next one.
621 next_event = gdk_event_peek ();
623 /* Try to compress enter/leave notify events. These event
624 * pairs occur when the mouse is dragged quickly across
625 * a window with many buttons (or through a menu). Instead
626 * of highlighting and de-highlighting each widget that
627 * is crossed it is better to simply de-highlight the widget
628 * which contained the mouse initially and highlight the
629 * widget which ends up containing the mouse.
632 if (((event->type == GDK_ENTER_NOTIFY) ||
633 (event->type == GDK_LEAVE_NOTIFY)) &&
634 ((next_event->type == GDK_ENTER_NOTIFY) ||
635 (next_event->type == GDK_LEAVE_NOTIFY)) &&
636 (next_event->type != event->type) &&
637 (next_event->any.window == event->any.window))
639 /* Throw both the peeked copy and the queued copy away
641 gdk_event_free (next_event);
642 next_event = gdk_event_get ();
643 gdk_event_free (next_event);
649 gdk_event_free (next_event);
651 /* Find the widget which got the event. We store the widget
652 * in the user_data field of GdkWindow's.
653 * Ignore the event if we don't have a widget for it, except
654 * for GDK_PROPERTY_NOTIFY events which are handled specialy.
655 * Though this happens rarely, bogus events can occour
656 * for e.g. destroyed GdkWindows.
658 event_widget = gtk_get_event_widget (event);
661 /* To handle selection INCR transactions, we select
662 * PropertyNotify events on the requestor window and create
663 * a corresponding (fake) GdkWindow so that events get
664 * here. There won't be a widget though, so we have to handle
667 if (event->type == GDK_PROPERTY_NOTIFY)
668 gtk_selection_incr_event (event->any.window,
674 /* Push the event onto a stack of current events for
675 * gtk_current_event_get().
677 current_events = g_list_prepend (current_events, event);
679 /* If there is a grab in effect...
683 grab_widget = grabs->data;
685 /* If the grab widget is an ancestor of the event widget
686 * then we send the event to the original event widget.
687 * This is the key to implementing modality.
689 if (GTK_WIDGET_IS_SENSITIVE (event_widget) &&
690 gtk_widget_is_ancestor (event_widget, grab_widget))
691 grab_widget = event_widget;
695 grab_widget = event_widget;
698 /* Not all events get sent to the grabbing widget.
699 * The delete, destroy, expose, focus change and resize
700 * events still get sent to the event widget because
701 * 1) these events have no meaning for the grabbing widget
702 * and 2) redirecting these events to the grabbing widget
703 * could cause the display to be messed up.
705 * Drag events are also not redirected, since it isn't
706 * clear what the semantics of that would be.
714 gtk_widget_ref (event_widget);
715 if (!gtk_widget_event (event_widget, event) &&
716 !GTK_OBJECT_DESTROYED (event_widget))
717 gtk_widget_destroy (event_widget);
718 gtk_widget_unref (event_widget);
722 gtk_widget_ref (event_widget);
723 gtk_widget_event (event_widget, event);
724 if (!GTK_OBJECT_DESTROYED (event_widget))
725 gtk_widget_destroy (event_widget);
726 gtk_widget_unref (event_widget);
729 case GDK_PROPERTY_NOTIFY:
732 case GDK_FOCUS_CHANGE:
736 case GDK_SELECTION_CLEAR:
737 case GDK_SELECTION_REQUEST:
738 case GDK_SELECTION_NOTIFY:
739 case GDK_CLIENT_EVENT:
740 case GDK_VISIBILITY_NOTIFY:
741 gtk_widget_event (event_widget, event);
744 case GDK_BUTTON_PRESS:
745 case GDK_2BUTTON_PRESS:
746 case GDK_3BUTTON_PRESS:
747 /* We treat button 4-5 specially, assume we have
748 * a MS-style scrollwheel mouse, and try to find
749 * a plausible widget to scroll. We also trap
750 * button 4-5 double and triple clicks here, since
751 * they will be generated if the user scrolls quickly.
753 if ((grab_widget == event_widget) &&
754 (event->button.button == 4 || event->button.button == 5))
756 GtkWidget *range = NULL;
757 GtkWidget *scrollwin;
759 if (GTK_IS_RANGE (event_widget))
760 range = event_widget;
763 scrollwin = gtk_widget_get_ancestor (event_widget,
764 GTK_TYPE_SCROLLED_WINDOW);
766 range = GTK_SCROLLED_WINDOW (scrollwin)->vscrollbar;
769 if (range && GTK_WIDGET_VISIBLE (range))
771 if (event->type == GDK_BUTTON_PRESS)
773 GtkAdjustment *adj = GTK_RANGE (range)->adjustment;
774 gfloat new_value = adj->value + ((event->button.button == 4) ?
775 -adj->page_increment / 2:
776 adj->page_increment / 2);
777 new_value = CLAMP (new_value, adj->lower, adj->upper - adj->page_size);
778 gtk_adjustment_set_value (adj, new_value);
783 gtk_propagate_event (grab_widget, event);
787 case GDK_KEY_RELEASE:
790 if (gtk_invoke_key_snoopers (grab_widget, event))
793 /* else fall through */
794 case GDK_MOTION_NOTIFY:
795 case GDK_BUTTON_RELEASE:
796 case GDK_PROXIMITY_IN:
797 case GDK_PROXIMITY_OUT:
798 gtk_propagate_event (grab_widget, event);
801 case GDK_ENTER_NOTIFY:
802 if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
804 gtk_widget_event (grab_widget, event);
805 if (event_widget == grab_widget)
806 GTK_PRIVATE_SET_FLAG (event_widget, GTK_LEAVE_PENDING);
810 case GDK_LEAVE_NOTIFY:
811 if (GTK_WIDGET_LEAVE_PENDING (event_widget))
813 GTK_PRIVATE_UNSET_FLAG (event_widget, GTK_LEAVE_PENDING);
814 gtk_widget_event (event_widget, event);
816 else if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
817 gtk_widget_event (grab_widget, event);
820 case GDK_DRAG_STATUS:
821 case GDK_DROP_FINISHED:
822 gtk_drag_source_handle_event (event_widget, event);
826 case GDK_DRAG_MOTION:
828 gtk_drag_dest_handle_event (event_widget, event);
832 tmp_list = current_events;
833 current_events = g_list_remove_link (current_events, tmp_list);
834 g_list_free_1 (tmp_list);
850 gtk_grab_add (GtkWidget *widget)
852 g_return_if_fail (widget != NULL);
854 if (!GTK_WIDGET_HAS_GRAB (widget))
856 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_GRAB);
858 grabs = g_slist_prepend (grabs, widget);
859 gtk_widget_ref (widget);
864 gtk_grab_get_current (void)
867 return GTK_WIDGET (grabs->data);
872 gtk_grab_remove (GtkWidget *widget)
874 g_return_if_fail (widget != NULL);
876 if (GTK_WIDGET_HAS_GRAB (widget))
878 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_GRAB);
880 grabs = g_slist_remove (grabs, widget);
881 gtk_widget_unref (widget);
886 gtk_init_add (GtkFunction function,
889 GtkInitFunction *init;
891 init = g_new (GtkInitFunction, 1);
892 init->function = function;
895 init_functions = g_list_prepend (init_functions, init);
899 gtk_key_snooper_install (GtkKeySnoopFunc snooper,
902 GtkKeySnooperData *data;
903 static guint snooper_id = 1;
905 g_return_val_if_fail (snooper != NULL, 0);
907 data = g_new (GtkKeySnooperData, 1);
908 data->func = snooper;
909 data->func_data = func_data;
910 data->id = snooper_id++;
911 key_snoopers = g_slist_prepend (key_snoopers, data);
917 gtk_key_snooper_remove (guint snooper_id)
919 GtkKeySnooperData *data = NULL;
922 slist = key_snoopers;
926 if (data->id == snooper_id)
933 key_snoopers = g_slist_remove (key_snoopers, data);
937 gtk_invoke_key_snoopers (GtkWidget *grab_widget,
941 gint return_val = FALSE;
943 slist = key_snoopers;
944 while (slist && !return_val)
946 GtkKeySnooperData *data;
950 return_val = (*data->func) (grab_widget, (GdkEventKey*) event, data->func_data);
957 gtk_quit_add_full (guint main_level,
958 GtkFunction function,
959 GtkCallbackMarshal marshal,
961 GtkDestroyNotify destroy)
963 static guint quit_id = 1;
964 GtkQuitFunction *quitf;
966 g_return_val_if_fail ((function != NULL) || (marshal != NULL), 0);
969 quit_mem_chunk = g_mem_chunk_new ("quit mem chunk", sizeof (GtkQuitFunction),
970 512, G_ALLOC_AND_FREE);
972 quitf = g_chunk_new (GtkQuitFunction, quit_mem_chunk);
974 quitf->id = quit_id++;
975 quitf->main_level = main_level;
976 quitf->function = function;
977 quitf->marshal = marshal;
979 quitf->destroy = destroy;
981 quit_functions = g_list_prepend (quit_functions, quitf);
987 gtk_quit_destroy (GtkQuitFunction *quitf)
990 quitf->destroy (quitf->data);
991 g_mem_chunk_free (quit_mem_chunk, quitf);
995 gtk_quit_destructor (GtkObject **object_p)
998 gtk_object_destroy (*object_p);
1005 gtk_quit_add_destroy (guint main_level,
1008 GtkObject **object_p;
1010 g_return_if_fail (main_level > 0);
1011 g_return_if_fail (object != NULL);
1012 g_return_if_fail (GTK_IS_OBJECT (object));
1014 object_p = g_new (GtkObject*, 1);
1016 gtk_signal_connect (object,
1018 GTK_SIGNAL_FUNC (gtk_widget_destroyed),
1020 gtk_quit_add (main_level, (GtkFunction) gtk_quit_destructor, object_p);
1024 gtk_quit_add (guint main_level,
1025 GtkFunction function,
1028 return gtk_quit_add_full (main_level, function, NULL, data, NULL);
1032 gtk_quit_remove (guint id)
1034 GtkQuitFunction *quitf;
1037 tmp_list = quit_functions;
1040 quitf = tmp_list->data;
1042 if (quitf->id == id)
1044 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1045 g_list_free (tmp_list);
1046 gtk_quit_destroy (quitf);
1051 tmp_list = tmp_list->next;
1056 gtk_quit_remove_by_data (gpointer data)
1058 GtkQuitFunction *quitf;
1061 tmp_list = quit_functions;
1064 quitf = tmp_list->data;
1066 if (quitf->data == data)
1068 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1069 g_list_free (tmp_list);
1070 gtk_quit_destroy (quitf);
1075 tmp_list = tmp_list->next;
1080 gtk_timeout_add_full (guint32 interval,
1081 GtkFunction function,
1082 GtkCallbackMarshal marshal,
1084 GtkDestroyNotify destroy)
1088 GtkClosure *closure;
1090 closure = g_new (GtkClosure, 1);
1091 closure->marshal = marshal;
1092 closure->data = data;
1093 closure->destroy = destroy;
1095 return g_timeout_add_full (0, interval,
1096 gtk_invoke_idle_timeout,
1098 gtk_destroy_closure);
1101 return g_timeout_add_full (0, interval, function, data, destroy);
1105 gtk_timeout_add (guint32 interval,
1106 GtkFunction function,
1109 return g_timeout_add_full (0, interval, function, data, NULL);
1113 gtk_timeout_remove (guint tag)
1115 g_source_remove (tag);
1119 gtk_idle_add_full (gint priority,
1120 GtkFunction function,
1121 GtkCallbackMarshal marshal,
1123 GtkDestroyNotify destroy)
1127 GtkClosure *closure;
1129 closure = g_new (GtkClosure, 1);
1130 closure->marshal = marshal;
1131 closure->data = data;
1132 closure->destroy = destroy;
1134 return g_idle_add_full (priority,
1135 gtk_invoke_idle_timeout,
1137 gtk_destroy_closure);
1140 return g_idle_add_full (priority, function, data, destroy);
1144 gtk_idle_add (GtkFunction function,
1147 return g_idle_add_full (GTK_PRIORITY_DEFAULT, function, data, NULL);
1151 gtk_idle_add_priority (gint priority,
1152 GtkFunction function,
1155 return g_idle_add_full (priority, function, data, NULL);
1159 gtk_idle_remove (guint tag)
1161 g_source_remove (tag);
1165 gtk_idle_remove_by_data (gpointer data)
1167 if (!g_idle_remove_by_data (data))
1168 g_warning ("gtk_idle_remove_by_data(%p): no such idle", data);
1172 gtk_input_add_full (gint source,
1173 GdkInputCondition condition,
1174 GdkInputFunction function,
1175 GtkCallbackMarshal marshal,
1177 GtkDestroyNotify destroy)
1181 GtkClosure *closure;
1183 closure = g_new (GtkClosure, 1);
1184 closure->marshal = marshal;
1185 closure->data = data;
1186 closure->destroy = destroy;
1188 return gdk_input_add_full (source,
1190 (GdkInputFunction) gtk_invoke_input,
1192 (GdkDestroyNotify) gtk_destroy_closure);
1195 return gdk_input_add_full (source, condition, function, data, destroy);
1199 gtk_input_remove (guint tag)
1201 g_source_remove (tag);
1205 gtk_destroy_closure (gpointer data)
1207 GtkClosure *closure = data;
1209 if (closure->destroy)
1210 (closure->destroy) (closure->data);
1215 gtk_invoke_idle_timeout (gpointer data)
1217 GtkClosure *closure = data;
1220 gint ret_val = FALSE;
1221 args[0].name = NULL;
1222 args[0].type = GTK_TYPE_BOOL;
1223 args[0].d.pointer_data = &ret_val;
1224 closure->marshal (NULL, closure->data, 0, args);
1229 gtk_invoke_input (gpointer data,
1231 GdkInputCondition condition)
1233 GtkClosure *closure = data;
1236 args[0].type = GTK_TYPE_INT;
1237 args[0].name = NULL;
1238 GTK_VALUE_INT(args[0]) = source;
1239 args[1].type = GTK_TYPE_GDK_INPUT_CONDITION;
1240 args[1].name = NULL;
1241 GTK_VALUE_FLAGS(args[1]) = condition;
1242 args[2].type = GTK_TYPE_NONE;
1243 args[2].name = NULL;
1245 closure->marshal (NULL, closure->data, 2, args);
1249 gtk_get_current_event (void)
1252 return gdk_event_copy ((GdkEvent *) current_events->data);
1258 gtk_get_event_widget (GdkEvent *event)
1263 if (event && event->any.window)
1264 gdk_window_get_user_data (event->any.window, (void**) &widget);
1270 gtk_exit_func (void)
1272 if (gtk_initialized)
1274 gtk_initialized = FALSE;
1275 gtk_preview_uninit ();
1281 gtk_quit_invoke_function (GtkQuitFunction *quitf)
1283 if (!quitf->marshal)
1284 return quitf->function (quitf->data);
1288 gint ret_val = FALSE;
1290 args[0].name = NULL;
1291 args[0].type = GTK_TYPE_BOOL;
1292 args[0].d.pointer_data = &ret_val;
1293 ((GtkCallbackMarshal) quitf->marshal) (NULL,
1301 gtk_propagate_event (GtkWidget *widget,
1306 g_return_if_fail (widget != NULL);
1307 g_return_if_fail (GTK_IS_WIDGET (widget));
1308 g_return_if_fail (event != NULL);
1310 handled_event = FALSE;
1312 if ((event->type == GDK_KEY_PRESS) ||
1313 (event->type == GDK_KEY_RELEASE))
1315 /* Only send key events within Window widgets to the Window
1316 * The Window widget will in turn pass the
1317 * key event on to the currently focused widget
1322 window = gtk_widget_get_ancestor (widget, GTK_TYPE_WINDOW);
1325 if (GTK_WIDGET_IS_SENSITIVE (window))
1326 gtk_widget_event (window, event);
1328 handled_event = TRUE; /* don't send to widget */
1332 /* Other events get propagated up the widget tree
1333 * so that parents can see the button and motion
1334 * events of the children.
1336 while (!handled_event && widget)
1340 gtk_widget_ref (widget);
1341 handled_event = !GTK_WIDGET_IS_SENSITIVE (widget) || gtk_widget_event (widget, event);
1342 tmp = widget->parent;
1343 gtk_widget_unref (widget);
1350 gtk_error (gchar *str)
1356 gtk_warning (gchar *str)
1362 gtk_message (gchar *str)
1368 gtk_print (gchar *str)
1370 static GtkWidget *window = NULL;
1371 static GtkWidget *text;
1372 static int level = 0;
1376 GtkWidget *hscrollbar;
1377 GtkWidget *vscrollbar;
1378 GtkWidget *separator;
1383 fputs (str, stdout);
1390 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
1392 gtk_signal_connect (GTK_OBJECT (window), "destroy",
1393 (GtkSignalFunc) gtk_widget_destroyed,
1396 gtk_window_set_title (GTK_WINDOW (window), "Messages");
1398 box1 = gtk_vbox_new (FALSE, 0);
1399 gtk_container_add (GTK_CONTAINER (window), box1);
1400 gtk_widget_show (box1);
1403 box2 = gtk_vbox_new (FALSE, 10);
1404 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
1405 gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
1406 gtk_widget_show (box2);
1409 table = gtk_table_new (2, 2, FALSE);
1410 gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
1411 gtk_table_set_col_spacing (GTK_TABLE (table), 0, 2);
1412 gtk_box_pack_start (GTK_BOX (box2), table, TRUE, TRUE, 0);
1413 gtk_widget_show (table);
1415 text = gtk_text_new (NULL, NULL);
1416 gtk_text_set_editable (GTK_TEXT (text), FALSE);
1417 gtk_table_attach_defaults (GTK_TABLE (table), text, 0, 1, 0, 1);
1418 gtk_widget_show (text);
1419 gtk_widget_realize (text);
1421 hscrollbar = gtk_hscrollbar_new (GTK_TEXT (text)->hadj);
1422 gtk_table_attach (GTK_TABLE (table), hscrollbar, 0, 1, 1, 2,
1423 GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
1424 gtk_widget_show (hscrollbar);
1426 vscrollbar = gtk_vscrollbar_new (GTK_TEXT (text)->vadj);
1427 gtk_table_attach (GTK_TABLE (table), vscrollbar, 1, 2, 0, 1,
1428 GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
1429 gtk_widget_show (vscrollbar);
1431 separator = gtk_hseparator_new ();
1432 gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
1433 gtk_widget_show (separator);
1436 box2 = gtk_vbox_new (FALSE, 10);
1437 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
1438 gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
1439 gtk_widget_show (box2);
1442 button = gtk_button_new_with_label ("close");
1443 gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
1444 (GtkSignalFunc) gtk_widget_hide,
1445 GTK_OBJECT (window));
1446 gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
1447 GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
1448 gtk_widget_grab_default (button);
1449 gtk_widget_show (button);
1453 gtk_text_insert (GTK_TEXT (text), NULL, NULL, NULL, str, -1);
1456 if (!GTK_WIDGET_VISIBLE (window))
1457 gtk_widget_show (window);