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);
404 bindtextdomain("gtk+", GTK_LOCALEDIR);
407 /* Initialize the default visual and colormap to be
408 * used in creating widgets. (We want to use the system
409 * defaults so as to be nice to the colormap).
411 gtk_visual = gdk_visual_get_system ();
412 gtk_colormap = gdk_colormap_get_system ();
415 gtk_object_post_arg_parsing_init ();
420 /* Register an exit function to make sure we are able to cleanup.
422 g_atexit (gtk_exit_func);
424 /* Set the 'initialized' flag.
426 gtk_initialized = TRUE;
428 /* initialize gtk modules
430 for (slist = gtk_modules; slist; slist = slist->next)
434 GtkModuleInitFunc modinit;
436 modinit = slist->data;
437 modinit (argc, argv);
440 g_slist_free (gtk_modules);
442 g_warning ("" "YOU ARE USING THE DEVEL BRANCH 1.3.x OF GTK+ WHICH IS CURRENTLY\n"
443 " UNDER HEAVY DEVELOPMENT AND FREQUENTLY INTRODUCES INSTABILITIES.\n"
444 " if you don't know why you are getting this, you probably want to\n"
445 " use the stable branch which can be retrived from\n"
446 " ftp://ftp.gtk.org/pub/gtk/v1.2/ or via CVS with\n"
447 " cvs checkout -r glib-1-2 glib; cvs checkout -r gtk-1-2 gtk+");
452 gtk_init (int *argc, char ***argv)
454 if (!gtk_init_check (argc, argv))
456 g_warning ("cannot open display: %s", gdk_get_display ());
462 gtk_exit (int errorcode)
464 /* Only if "gtk" has been initialized should we de-initialize.
466 /* de-initialisation is done by the gtk_exit_funct(),
467 * no need to do this here (Alex J.)
473 gtk_set_locale (void)
475 return gdk_set_locale ();
483 GtkInitFunction *init;
486 gtk_main_loop_level++;
488 loop = g_main_new (TRUE);
489 main_loops = g_slist_prepend (main_loops, loop);
491 tmp_list = functions = init_functions;
492 init_functions = NULL;
496 init = tmp_list->data;
497 tmp_list = tmp_list->next;
499 (* init->function) (init->data);
502 g_list_free (functions);
504 if (g_main_is_running (main_loops->data))
506 GDK_THREADS_LEAVE ();
508 GDK_THREADS_ENTER ();
514 GList *reinvoke_list = NULL;
515 GtkQuitFunction *quitf;
517 while (quit_functions)
519 quitf = quit_functions->data;
521 quit_functions = g_list_remove_link (quit_functions, quit_functions);
523 if ((quitf->main_level && quitf->main_level != gtk_main_loop_level) ||
524 gtk_quit_invoke_function (quitf))
526 reinvoke_list = g_list_prepend (reinvoke_list, quitf);
530 g_list_free (tmp_list);
531 gtk_quit_destroy (quitf);
538 work = g_list_last (reinvoke_list);
540 quit_functions->prev = work;
541 work->next = quit_functions;
542 quit_functions = work;
548 main_loops = g_slist_remove (main_loops, loop);
550 g_main_destroy (loop);
552 gtk_main_loop_level--;
556 gtk_main_level (void)
558 return gtk_main_loop_level;
564 g_return_if_fail (main_loops != NULL);
566 g_main_quit (main_loops->data);
570 gtk_events_pending (void)
572 return g_main_pending();
576 gtk_main_iteration (void)
578 g_main_iteration (TRUE);
581 return !g_main_is_running (main_loops->data);
587 gtk_main_iteration_do (gboolean blocking)
589 g_main_iteration (blocking);
592 return !g_main_is_running (main_loops->data);
598 gtk_main_do_event (GdkEvent *event)
600 GtkWidget *event_widget;
601 GtkWidget *grab_widget;
602 GdkEvent *next_event;
605 /* If there are any events pending then get the next one.
607 next_event = gdk_event_peek ();
609 /* Try to compress enter/leave notify events. These event
610 * pairs occur when the mouse is dragged quickly across
611 * a window with many buttons (or through a menu). Instead
612 * of highlighting and de-highlighting each widget that
613 * is crossed it is better to simply de-highlight the widget
614 * which contained the mouse initially and highlight the
615 * widget which ends up containing the mouse.
618 if (((event->type == GDK_ENTER_NOTIFY) ||
619 (event->type == GDK_LEAVE_NOTIFY)) &&
620 ((next_event->type == GDK_ENTER_NOTIFY) ||
621 (next_event->type == GDK_LEAVE_NOTIFY)) &&
622 (next_event->type != event->type) &&
623 (next_event->any.window == event->any.window))
625 /* Throw both the peeked copy and the queued copy away
627 gdk_event_free (next_event);
628 next_event = gdk_event_get ();
629 gdk_event_free (next_event);
635 gdk_event_free (next_event);
637 /* Find the widget which got the event. We store the widget
638 * in the user_data field of GdkWindow's.
639 * Ignore the event if we don't have a widget for it, except
640 * for GDK_PROPERTY_NOTIFY events which are handled specialy.
641 * Though this happens rarely, bogus events can occour
642 * for e.g. destroyed GdkWindows.
644 event_widget = gtk_get_event_widget (event);
647 /* To handle selection INCR transactions, we select
648 * PropertyNotify events on the requestor window and create
649 * a corresponding (fake) GdkWindow so that events get
650 * here. There won't be a widget though, so we have to handle
653 if (event->type == GDK_PROPERTY_NOTIFY)
654 gtk_selection_incr_event (event->any.window,
660 /* Push the event onto a stack of current events for
661 * gtk_current_event_get().
663 current_events = g_list_prepend (current_events, event);
665 /* If there is a grab in effect...
669 grab_widget = grabs->data;
671 /* If the grab widget is an ancestor of the event widget
672 * then we send the event to the original event widget.
673 * This is the key to implementing modality.
675 if (GTK_WIDGET_IS_SENSITIVE (event_widget) &&
676 gtk_widget_is_ancestor (event_widget, grab_widget))
677 grab_widget = event_widget;
681 grab_widget = event_widget;
684 /* Not all events get sent to the grabbing widget.
685 * The delete, destroy, expose, focus change and resize
686 * events still get sent to the event widget because
687 * 1) these events have no meaning for the grabbing widget
688 * and 2) redirecting these events to the grabbing widget
689 * could cause the display to be messed up.
691 * Drag events are also not redirected, since it isn't
692 * clear what the semantics of that would be.
700 gtk_widget_ref (event_widget);
701 if (!gtk_widget_event (event_widget, event) &&
702 !GTK_OBJECT_DESTROYED (event_widget))
703 gtk_widget_destroy (event_widget);
704 gtk_widget_unref (event_widget);
708 gtk_widget_ref (event_widget);
709 gtk_widget_event (event_widget, event);
710 if (!GTK_OBJECT_DESTROYED (event_widget))
711 gtk_widget_destroy (event_widget);
712 gtk_widget_unref (event_widget);
715 case GDK_PROPERTY_NOTIFY:
718 case GDK_FOCUS_CHANGE:
722 case GDK_SELECTION_CLEAR:
723 case GDK_SELECTION_REQUEST:
724 case GDK_SELECTION_NOTIFY:
725 case GDK_CLIENT_EVENT:
726 case GDK_VISIBILITY_NOTIFY:
727 gtk_widget_event (event_widget, event);
730 case GDK_BUTTON_PRESS:
731 case GDK_2BUTTON_PRESS:
732 case GDK_3BUTTON_PRESS:
733 /* We treat button 4-5 specially, assume we have
734 * a MS-style scrollwheel mouse, and try to find
735 * a plausible widget to scroll. We also trap
736 * button 4-5 double and triple clicks here, since
737 * they will be generated if the user scrolls quickly.
739 if ((grab_widget == event_widget) &&
740 (event->button.button == 4 || event->button.button == 5))
742 GtkWidget *range = NULL;
743 GtkWidget *scrollwin;
745 if (GTK_IS_RANGE (event_widget))
746 range = event_widget;
749 scrollwin = gtk_widget_get_ancestor (event_widget,
750 GTK_TYPE_SCROLLED_WINDOW);
752 range = GTK_SCROLLED_WINDOW (scrollwin)->vscrollbar;
755 if (range && GTK_WIDGET_VISIBLE (range))
757 if (event->type == GDK_BUTTON_PRESS)
759 GtkAdjustment *adj = GTK_RANGE (range)->adjustment;
760 gfloat new_value = adj->value + ((event->button.button == 4) ?
761 -adj->page_increment / 2:
762 adj->page_increment / 2);
763 new_value = CLAMP (new_value, adj->lower, adj->upper - adj->page_size);
764 gtk_adjustment_set_value (adj, new_value);
769 gtk_propagate_event (grab_widget, event);
773 case GDK_KEY_RELEASE:
776 if (gtk_invoke_key_snoopers (grab_widget, event))
779 /* else fall through */
780 case GDK_MOTION_NOTIFY:
781 case GDK_BUTTON_RELEASE:
782 case GDK_PROXIMITY_IN:
783 case GDK_PROXIMITY_OUT:
784 gtk_propagate_event (grab_widget, event);
787 case GDK_ENTER_NOTIFY:
788 if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
790 gtk_widget_event (grab_widget, event);
791 if (event_widget == grab_widget)
792 GTK_PRIVATE_SET_FLAG (event_widget, GTK_LEAVE_PENDING);
796 case GDK_LEAVE_NOTIFY:
797 if (GTK_WIDGET_LEAVE_PENDING (event_widget))
799 GTK_PRIVATE_UNSET_FLAG (event_widget, GTK_LEAVE_PENDING);
800 gtk_widget_event (event_widget, event);
802 else if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
803 gtk_widget_event (grab_widget, event);
806 case GDK_DRAG_STATUS:
807 case GDK_DROP_FINISHED:
808 gtk_drag_source_handle_event (event_widget, event);
812 case GDK_DRAG_MOTION:
814 gtk_drag_dest_handle_event (event_widget, event);
818 tmp_list = current_events;
819 current_events = g_list_remove_link (current_events, tmp_list);
820 g_list_free_1 (tmp_list);
836 gtk_grab_add (GtkWidget *widget)
838 g_return_if_fail (widget != NULL);
840 if (!GTK_WIDGET_HAS_GRAB (widget))
842 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_GRAB);
844 grabs = g_slist_prepend (grabs, widget);
845 gtk_widget_ref (widget);
850 gtk_grab_get_current (void)
853 return GTK_WIDGET (grabs->data);
858 gtk_grab_remove (GtkWidget *widget)
860 g_return_if_fail (widget != NULL);
862 if (GTK_WIDGET_HAS_GRAB (widget))
864 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_GRAB);
866 grabs = g_slist_remove (grabs, widget);
867 gtk_widget_unref (widget);
872 gtk_init_add (GtkFunction function,
875 GtkInitFunction *init;
877 init = g_new (GtkInitFunction, 1);
878 init->function = function;
881 init_functions = g_list_prepend (init_functions, init);
885 gtk_key_snooper_install (GtkKeySnoopFunc snooper,
888 GtkKeySnooperData *data;
889 static guint snooper_id = 1;
891 g_return_val_if_fail (snooper != NULL, 0);
893 data = g_new (GtkKeySnooperData, 1);
894 data->func = snooper;
895 data->func_data = func_data;
896 data->id = snooper_id++;
897 key_snoopers = g_slist_prepend (key_snoopers, data);
903 gtk_key_snooper_remove (guint snooper_id)
905 GtkKeySnooperData *data = NULL;
908 slist = key_snoopers;
912 if (data->id == snooper_id)
919 key_snoopers = g_slist_remove (key_snoopers, data);
923 gtk_invoke_key_snoopers (GtkWidget *grab_widget,
927 gint return_val = FALSE;
929 slist = key_snoopers;
930 while (slist && !return_val)
932 GtkKeySnooperData *data;
936 return_val = (*data->func) (grab_widget, (GdkEventKey*) event, data->func_data);
943 gtk_quit_add_full (guint main_level,
944 GtkFunction function,
945 GtkCallbackMarshal marshal,
947 GtkDestroyNotify destroy)
949 static guint quit_id = 1;
950 GtkQuitFunction *quitf;
952 g_return_val_if_fail ((function != NULL) || (marshal != NULL), 0);
955 quit_mem_chunk = g_mem_chunk_new ("quit mem chunk", sizeof (GtkQuitFunction),
956 512, G_ALLOC_AND_FREE);
958 quitf = g_chunk_new (GtkQuitFunction, quit_mem_chunk);
960 quitf->id = quit_id++;
961 quitf->main_level = main_level;
962 quitf->function = function;
963 quitf->marshal = marshal;
965 quitf->destroy = destroy;
967 quit_functions = g_list_prepend (quit_functions, quitf);
973 gtk_quit_destroy (GtkQuitFunction *quitf)
976 quitf->destroy (quitf->data);
977 g_mem_chunk_free (quit_mem_chunk, quitf);
981 gtk_quit_destructor (GtkObject **object_p)
984 gtk_object_destroy (*object_p);
991 gtk_quit_add_destroy (guint main_level,
994 GtkObject **object_p;
996 g_return_if_fail (main_level > 0);
997 g_return_if_fail (object != NULL);
998 g_return_if_fail (GTK_IS_OBJECT (object));
1000 object_p = g_new (GtkObject*, 1);
1002 gtk_signal_connect (object,
1004 GTK_SIGNAL_FUNC (gtk_widget_destroyed),
1006 gtk_quit_add (main_level, (GtkFunction) gtk_quit_destructor, object_p);
1010 gtk_quit_add (guint main_level,
1011 GtkFunction function,
1014 return gtk_quit_add_full (main_level, function, NULL, data, NULL);
1018 gtk_quit_remove (guint id)
1020 GtkQuitFunction *quitf;
1023 tmp_list = quit_functions;
1026 quitf = tmp_list->data;
1028 if (quitf->id == id)
1030 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1031 g_list_free (tmp_list);
1032 gtk_quit_destroy (quitf);
1037 tmp_list = tmp_list->next;
1042 gtk_quit_remove_by_data (gpointer data)
1044 GtkQuitFunction *quitf;
1047 tmp_list = quit_functions;
1050 quitf = tmp_list->data;
1052 if (quitf->data == data)
1054 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1055 g_list_free (tmp_list);
1056 gtk_quit_destroy (quitf);
1061 tmp_list = tmp_list->next;
1066 gtk_timeout_add_full (guint32 interval,
1067 GtkFunction function,
1068 GtkCallbackMarshal marshal,
1070 GtkDestroyNotify destroy)
1074 GtkClosure *closure;
1076 closure = g_new (GtkClosure, 1);
1077 closure->marshal = marshal;
1078 closure->data = data;
1079 closure->destroy = destroy;
1081 return g_timeout_add_full (0, interval,
1082 gtk_invoke_idle_timeout,
1084 gtk_destroy_closure);
1087 return g_timeout_add_full (0, interval, function, data, destroy);
1091 gtk_timeout_add (guint32 interval,
1092 GtkFunction function,
1095 return g_timeout_add_full (0, interval, function, data, NULL);
1099 gtk_timeout_remove (guint tag)
1101 g_source_remove (tag);
1105 gtk_idle_add_full (gint priority,
1106 GtkFunction function,
1107 GtkCallbackMarshal marshal,
1109 GtkDestroyNotify destroy)
1113 GtkClosure *closure;
1115 closure = g_new (GtkClosure, 1);
1116 closure->marshal = marshal;
1117 closure->data = data;
1118 closure->destroy = destroy;
1120 return g_idle_add_full (priority,
1121 gtk_invoke_idle_timeout,
1123 gtk_destroy_closure);
1126 return g_idle_add_full (priority, function, data, destroy);
1130 gtk_idle_add (GtkFunction function,
1133 return g_idle_add_full (GTK_PRIORITY_DEFAULT, function, data, NULL);
1137 gtk_idle_add_priority (gint priority,
1138 GtkFunction function,
1141 return g_idle_add_full (priority, function, data, NULL);
1145 gtk_idle_remove (guint tag)
1147 g_source_remove (tag);
1151 gtk_idle_remove_by_data (gpointer data)
1153 if (!g_idle_remove_by_data (data))
1154 g_warning ("gtk_idle_remove_by_data(%p): no such idle", data);
1158 gtk_input_add_full (gint source,
1159 GdkInputCondition condition,
1160 GdkInputFunction function,
1161 GtkCallbackMarshal marshal,
1163 GtkDestroyNotify destroy)
1167 GtkClosure *closure;
1169 closure = g_new (GtkClosure, 1);
1170 closure->marshal = marshal;
1171 closure->data = data;
1172 closure->destroy = destroy;
1174 return gdk_input_add_full (source,
1176 (GdkInputFunction) gtk_invoke_input,
1178 (GdkDestroyNotify) gtk_destroy_closure);
1181 return gdk_input_add_full (source, condition, function, data, destroy);
1185 gtk_input_remove (guint tag)
1187 g_source_remove (tag);
1191 gtk_destroy_closure (gpointer data)
1193 GtkClosure *closure = data;
1195 if (closure->destroy)
1196 (closure->destroy) (closure->data);
1201 gtk_invoke_idle_timeout (gpointer data)
1203 GtkClosure *closure = data;
1206 gint ret_val = FALSE;
1207 args[0].name = NULL;
1208 args[0].type = GTK_TYPE_BOOL;
1209 args[0].d.pointer_data = &ret_val;
1210 closure->marshal (NULL, closure->data, 0, args);
1215 gtk_invoke_input (gpointer data,
1217 GdkInputCondition condition)
1219 GtkClosure *closure = data;
1222 args[0].type = GTK_TYPE_INT;
1223 args[0].name = NULL;
1224 GTK_VALUE_INT(args[0]) = source;
1225 args[1].type = GTK_TYPE_GDK_INPUT_CONDITION;
1226 args[1].name = NULL;
1227 GTK_VALUE_FLAGS(args[1]) = condition;
1228 args[2].type = GTK_TYPE_NONE;
1229 args[2].name = NULL;
1231 closure->marshal (NULL, closure->data, 2, args);
1235 gtk_get_current_event (void)
1238 return gdk_event_copy ((GdkEvent *) current_events->data);
1244 gtk_get_event_widget (GdkEvent *event)
1249 if (event && event->any.window)
1250 gdk_window_get_user_data (event->any.window, (void**) &widget);
1256 gtk_exit_func (void)
1258 if (gtk_initialized)
1260 gtk_initialized = FALSE;
1261 gtk_preview_uninit ();
1267 gtk_quit_invoke_function (GtkQuitFunction *quitf)
1269 if (!quitf->marshal)
1270 return quitf->function (quitf->data);
1274 gint ret_val = FALSE;
1276 args[0].name = NULL;
1277 args[0].type = GTK_TYPE_BOOL;
1278 args[0].d.pointer_data = &ret_val;
1279 ((GtkCallbackMarshal) quitf->marshal) (NULL,
1287 gtk_propagate_event (GtkWidget *widget,
1292 g_return_if_fail (widget != NULL);
1293 g_return_if_fail (GTK_IS_WIDGET (widget));
1294 g_return_if_fail (event != NULL);
1296 handled_event = FALSE;
1298 if ((event->type == GDK_KEY_PRESS) ||
1299 (event->type == GDK_KEY_RELEASE))
1301 /* Only send key events within Window widgets to the Window
1302 * The Window widget will in turn pass the
1303 * key event on to the currently focused widget
1308 window = gtk_widget_get_ancestor (widget, GTK_TYPE_WINDOW);
1311 if (GTK_WIDGET_IS_SENSITIVE (window))
1312 gtk_widget_event (window, event);
1314 handled_event = TRUE; /* don't send to widget */
1318 /* Other events get propagated up the widget tree
1319 * so that parents can see the button and motion
1320 * events of the children.
1322 while (!handled_event && widget)
1326 gtk_widget_ref (widget);
1327 handled_event = !GTK_WIDGET_IS_SENSITIVE (widget) || gtk_widget_event (widget, event);
1328 tmp = widget->parent;
1329 gtk_widget_unref (widget);
1336 gtk_error (gchar *str)
1342 gtk_warning (gchar *str)
1348 gtk_message (gchar *str)
1354 gtk_print (gchar *str)
1356 static GtkWidget *window = NULL;
1357 static GtkWidget *text;
1358 static int level = 0;
1362 GtkWidget *hscrollbar;
1363 GtkWidget *vscrollbar;
1364 GtkWidget *separator;
1369 fputs (str, stdout);
1376 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
1378 gtk_signal_connect (GTK_OBJECT (window), "destroy",
1379 (GtkSignalFunc) gtk_widget_destroyed,
1382 gtk_window_set_title (GTK_WINDOW (window), "Messages");
1384 box1 = gtk_vbox_new (FALSE, 0);
1385 gtk_container_add (GTK_CONTAINER (window), box1);
1386 gtk_widget_show (box1);
1389 box2 = gtk_vbox_new (FALSE, 10);
1390 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
1391 gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
1392 gtk_widget_show (box2);
1395 table = gtk_table_new (2, 2, FALSE);
1396 gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
1397 gtk_table_set_col_spacing (GTK_TABLE (table), 0, 2);
1398 gtk_box_pack_start (GTK_BOX (box2), table, TRUE, TRUE, 0);
1399 gtk_widget_show (table);
1401 text = gtk_text_new (NULL, NULL);
1402 gtk_text_set_editable (GTK_TEXT (text), FALSE);
1403 gtk_table_attach_defaults (GTK_TABLE (table), text, 0, 1, 0, 1);
1404 gtk_widget_show (text);
1405 gtk_widget_realize (text);
1407 hscrollbar = gtk_hscrollbar_new (GTK_TEXT (text)->hadj);
1408 gtk_table_attach (GTK_TABLE (table), hscrollbar, 0, 1, 1, 2,
1409 GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
1410 gtk_widget_show (hscrollbar);
1412 vscrollbar = gtk_vscrollbar_new (GTK_TEXT (text)->vadj);
1413 gtk_table_attach (GTK_TABLE (table), vscrollbar, 1, 2, 0, 1,
1414 GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
1415 gtk_widget_show (vscrollbar);
1417 separator = gtk_hseparator_new ();
1418 gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
1419 gtk_widget_show (separator);
1422 box2 = gtk_vbox_new (FALSE, 10);
1423 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
1424 gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
1425 gtk_widget_show (box2);
1428 button = gtk_button_new_with_label ("close");
1429 gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
1430 (GtkSignalFunc) gtk_widget_hide,
1431 GTK_OBJECT (window));
1432 gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
1433 GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
1434 gtk_widget_grab_default (button);
1435 gtk_widget_show (button);
1439 gtk_text_insert (GTK_TEXT (text), NULL, NULL, NULL, str, -1);
1442 if (!GTK_WIDGET_VISIBLE (window))
1443 gtk_widget_show (window);