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 #include "gdkconfig.h"
31 #ifdef HAVE_BIND_TEXTDOMAIN_CODESET
41 #include <sys/types.h> /* For uid_t, gid_t */
49 #include <pango/pango-utils.h> /* For pango_split_file_list */
51 #include "gtkaccelmap.h"
53 #include "gtkversion.h"
56 #include "gtkselection.h"
57 #include "gtksettings.h"
58 #include "gtksignal.h"
59 #include "gtkwidget.h"
60 #include "gtkwindow.h"
61 #include "gtkprivate.h"
66 /* Private type definitions
68 typedef struct _GtkInitFunction GtkInitFunction;
69 typedef struct _GtkQuitFunction GtkQuitFunction;
70 typedef struct _GtkClosure GtkClosure;
71 typedef struct _GtkKeySnooperData GtkKeySnooperData;
73 struct _GtkInitFunction
79 struct _GtkQuitFunction
83 GtkCallbackMarshal marshal;
86 GtkDestroyNotify destroy;
91 GtkCallbackMarshal marshal;
93 GtkDestroyNotify destroy;
96 struct _GtkKeySnooperData
103 static gint gtk_quit_invoke_function (GtkQuitFunction *quitf);
104 static void gtk_quit_destroy (GtkQuitFunction *quitf);
105 static gint gtk_invoke_key_snoopers (GtkWidget *grab_widget,
108 static void gtk_destroy_closure (gpointer data);
109 static gboolean gtk_invoke_idle_timeout (gpointer data);
110 static void gtk_invoke_input (gpointer data,
112 GdkInputCondition condition);
115 static void gtk_error (gchar *str);
116 static void gtk_warning (gchar *str);
117 static void gtk_message (gchar *str);
118 static void gtk_print (gchar *str);
121 static GtkWindowGroup *gtk_main_get_window_group (GtkWidget *widget);
123 const guint gtk_major_version = GTK_MAJOR_VERSION;
124 const guint gtk_minor_version = GTK_MINOR_VERSION;
125 const guint gtk_micro_version = GTK_MICRO_VERSION;
126 const guint gtk_binary_age = GTK_BINARY_AGE;
127 const guint gtk_interface_age = GTK_INTERFACE_AGE;
129 static guint gtk_main_loop_level = 0;
130 static gint gtk_initialized = FALSE;
131 static GList *current_events = NULL;
133 static GSList *main_loops = NULL; /* stack of currently executing main loops */
135 static GList *init_functions = NULL; /* A list of init functions.
137 static GList *quit_functions = NULL; /* A list of quit functions.
139 static GMemChunk *quit_mem_chunk = NULL;
141 static GSList *key_snoopers = NULL;
143 static GdkVisual *gtk_visual; /* The visual to be used in creating new
146 static GdkColormap *gtk_colormap; /* The colormap to be used in creating new
150 guint gtk_debug_flags = 0; /* Global GTK debug flag */
152 #ifdef G_ENABLE_DEBUG
153 static const GDebugKey gtk_debug_keys[] = {
154 {"misc", GTK_DEBUG_MISC},
155 {"plugsocket", GTK_DEBUG_PLUGSOCKET},
156 {"text", GTK_DEBUG_TEXT},
157 {"tree", GTK_DEBUG_TREE},
158 {"updates", GTK_DEBUG_UPDATES},
159 {"keybindings", GTK_DEBUG_KEYBINDINGS}
162 static const guint gtk_ndebug_keys = sizeof (gtk_debug_keys) / sizeof (GDebugKey);
164 #endif /* G_ENABLE_DEBUG */
167 gtk_check_version (guint required_major,
168 guint required_minor,
169 guint required_micro)
171 if (required_major > GTK_MAJOR_VERSION)
172 return "Gtk+ version too old (major mismatch)";
173 if (required_major < GTK_MAJOR_VERSION)
174 return "Gtk+ version too new (major mismatch)";
175 if (required_minor > GTK_MINOR_VERSION)
176 return "Gtk+ version too old (minor mismatch)";
177 if (required_minor < GTK_MINOR_VERSION)
178 return "Gtk+ version too new (minor mismatch)";
179 if (required_micro < GTK_MICRO_VERSION - GTK_BINARY_AGE)
180 return "Gtk+ version too new (micro mismatch)";
181 if (required_micro > GTK_MICRO_VERSION)
182 return "Gtk+ version too old (micro mismatch)";
186 #undef gtk_init_check
188 /* This checks to see if the process is running suid or sgid
189 * at the current time. If so, we don't allow GTK+ to be initialized.
190 * This is meant to be a mild check - we only error out if we
191 * can prove the programmer is doing something wrong, not if
192 * they could be doing something wrong. For this reason, we
193 * don't use issetugid() on BSD or prctl (PR_GET_DUMPABLE).
198 /* this isn't at all relevant on MS Windows and doesn't compile ... --hb */
200 uid_t ruid, euid, suid; /* Real, effective and saved user ID's */
201 gid_t rgid, egid, sgid; /* Real, effective and saved group ID's */
203 #ifdef HAVE_GETRESUID
204 /* These aren't in the header files, so we prototype them here.
206 int getresuid(uid_t *ruid, uid_t *euid, uid_t *suid);
207 int getresgid(gid_t *rgid, gid_t *egid, gid_t *sgid);
209 if (getresuid (&ruid, &euid, &suid) != 0 ||
210 getresgid (&rgid, &egid, &sgid) != 0)
211 #endif /* HAVE_GETRESUID */
213 suid = ruid = getuid ();
214 sgid = rgid = getgid ();
219 if (ruid != euid || ruid != suid ||
220 rgid != egid || rgid != sgid)
222 g_warning ("This process is currently running setuid or setgid.\n"
223 "This is not a supported use of GTK+. You must create a helper\n"
224 "program instead. For further details, see:\n\n"
225 " http://www.gtk.org/setuid.html\n\n"
226 "Refusing to initialize GTK+.");
235 G_WIN32_DLLMAIN_FOR_DLL_NAME(static, dll_name)
238 _gtk_get_libdir (void)
240 static char *gtk_libdir = NULL;
241 if (gtk_libdir == NULL)
242 gtk_libdir = g_win32_get_package_installation_subdirectory
243 (GETTEXT_PACKAGE, dll_name, "lib");
249 _gtk_get_localedir (void)
251 static char *gtk_localedir = NULL;
252 if (gtk_localedir == NULL)
253 gtk_localedir = g_win32_get_package_installation_subdirectory
254 (GETTEXT_PACKAGE, dll_name, "lib\\locale");
256 return gtk_localedir;
260 _gtk_get_sysconfdir (void)
262 static char *gtk_sysconfdir = NULL;
263 if (gtk_sysconfdir == NULL)
264 gtk_sysconfdir = g_win32_get_package_installation_subdirectory
265 (GETTEXT_PACKAGE, dll_name, "etc");
267 return gtk_sysconfdir;
271 _gtk_get_data_prefix (void)
273 static char *gtk_data_prefix = NULL;
274 if (gtk_data_prefix == NULL)
275 gtk_data_prefix = g_win32_get_package_installation_directory
276 (GETTEXT_PACKAGE, dll_name);
278 return gtk_data_prefix;
281 #endif /* G_OS_WIN32 */
284 get_module_path (void)
286 const gchar *module_path_env;
287 const gchar *exe_prefix;
288 const gchar *home_dir;
289 gchar *home_gtk_dir = NULL;
292 static gchar **result = NULL;
297 home_dir = g_get_home_dir();
299 home_gtk_dir = g_build_filename (home_dir, ".gtk-2.0", NULL);
301 module_path_env = g_getenv ("GTK_PATH");
302 exe_prefix = g_getenv ("GTK_EXE_PREFIX");
305 default_dir = g_build_filename (exe_prefix, "lib", "gtk-2.0", NULL);
307 default_dir = g_build_filename (GTK_LIBDIR, "gtk-2.0", NULL);
309 if (module_path_env && home_gtk_dir)
310 module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
311 module_path_env, home_gtk_dir, default_dir, NULL);
312 else if (module_path_env)
313 module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
314 module_path_env, default_dir, NULL);
315 else if (home_gtk_dir)
316 module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
317 home_gtk_dir, default_dir, NULL);
319 module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
322 g_free (home_gtk_dir);
323 g_free (default_dir);
325 result = pango_split_file_list (module_path);
326 g_free (module_path);
332 * _gtk_get_module_path:
333 * @type: the type of the module, for instance 'modules', 'engines', immodules'
335 * Determines the search path for a particular type of module.
337 * Return value: the search path for the module type. Free with g_strfreev().
340 _gtk_get_module_path (const gchar *type)
342 gchar **paths = get_module_path();
347 for (path = paths; *path; path++)
350 result = g_new (gchar *, count * 4 + 1);
353 for (path = get_module_path (); *path; path++)
355 gint use_version, use_host;
357 for (use_version = TRUE; use_version >= FALSE; use_version--)
358 for (use_host = TRUE; use_host >= FALSE; use_host--)
362 if (use_version && use_host)
363 tmp_dir = g_build_filename (*path, GTK_BINARY_VERSION, GTK_HOST, type, NULL);
364 else if (use_version)
365 tmp_dir = g_build_filename (*path, GTK_BINARY_VERSION, type, NULL);
367 tmp_dir = g_build_filename (*path, GTK_HOST, type, NULL);
369 tmp_dir = g_build_filename (*path, type, NULL);
371 result[count++] = tmp_dir;
375 result[count++] = NULL;
380 /* Like g_module_path, but use .la as the suffix
383 module_build_la_path (const gchar *directory,
384 const gchar *module_name)
389 if (strncmp (module_name, "lib", 3) == 0)
390 filename = (gchar *)module_name;
392 filename = g_strconcat ("lib", module_name, ".la", NULL);
394 if (directory && *directory)
395 result = g_build_filename (directory, filename, NULL);
397 result = g_strdup (filename);
399 if (filename != module_name)
407 * @name: the name of the module
408 * @type: the type of the module, for instance 'modules', 'engines', immodules'
410 * Looks for a dynamically module named @name of type @type in the standard GTK+
411 * module search path.
413 * Return value: the pathname to the found module, or %NULL if it wasn't found.
414 * Free with g_free().
417 _gtk_find_module (const gchar *name,
422 gchar *module_name = NULL;
424 if (g_path_is_absolute (name))
425 return g_strdup (name);
427 paths = _gtk_get_module_path (type);
428 for (path = paths; *path; path++)
432 tmp_name = g_module_build_path (*path, name);
433 if (g_file_test (tmp_name, G_FILE_TEST_EXISTS))
435 module_name = tmp_name;
440 tmp_name = module_build_la_path (*path, name);
441 if (g_file_test (tmp_name, G_FILE_TEST_EXISTS))
443 module_name = tmp_name;
456 find_module (gchar **module_path,
462 module_name = _gtk_find_module (name, "modules");
465 /* As last resort, try loading without an absolute path (using system
468 module_name = g_module_build_path (NULL, name);
471 module = g_module_open (module_name, G_MODULE_BIND_LAZY);
478 load_module (GSList *gtk_modules,
482 GtkModuleInitFunc modinit_func = NULL;
483 GModule *module = NULL;
485 if (g_module_supported ())
487 module = find_module (module_path, name);
489 g_module_symbol (module, "gtk_module_init", (gpointer *) &modinit_func) &&
492 if (!g_slist_find (gtk_modules, modinit_func))
494 g_module_make_resident (module);
495 gtk_modules = g_slist_prepend (gtk_modules, modinit_func);
499 g_module_close (module);
506 g_message ("Failed to load module \"%s\": %s",
507 module ? g_module_name (module) : name,
510 g_module_close (module);
517 load_modules (const char *module_str)
519 gchar **module_path = get_module_path ();
520 gchar **module_names = pango_split_file_list (module_str);
521 GSList *gtk_modules = NULL;
524 for (i = 0; module_names[i]; i++)
525 gtk_modules = load_module (gtk_modules, module_path, module_names[i]);
527 gtk_modules = g_slist_reverse (gtk_modules);
529 g_strfreev (module_names);
530 g_strfreev (module_path);
535 static gboolean do_setlocale = TRUE;
538 * gtk_disable_setlocale:
540 * Prevents gtk_init() and gtk_init_check() from automatically
541 * calling <literal>setlocale (LC_ALL, "")</literal>. You would
542 * want to use this function if you wanted to set the locale for
543 * your program to something other than the user's locale, or if
544 * you wanted to set different values for different locale categories.
546 * Most programs should not need to call this function.
549 gtk_disable_setlocale (void)
552 g_warning ("gtk_disable_setlocale() must be called before gtk_init()");
554 do_setlocale = FALSE;
558 gtk_init_check (int *argc,
561 GString *gtk_modules_string = NULL;
562 GSList *gtk_modules = NULL;
564 const gchar *env_string;
569 if (!check_setugid ())
573 g_set_error_handler (gtk_error);
574 g_set_warning_handler (gtk_warning);
575 g_set_message_handler (gtk_message);
576 g_set_print_handler (gtk_print);
581 if (!setlocale (LC_ALL, ""))
582 g_warning ("Locale not supported by C library.\n\tUsing the fallback 'C' locale.");
585 /* Initialize "gdk". We pass along the 'argc' and 'argv'
586 * parameters as they contain information that GDK uses
588 if (!gdk_init_check (argc, argv))
591 gdk_event_handler_set ((GdkEventFunc)gtk_main_do_event, NULL, NULL);
593 #ifdef G_ENABLE_DEBUG
594 env_string = g_getenv ("GTK_DEBUG");
595 if (env_string != NULL)
597 gtk_debug_flags = g_parse_debug_string (env_string,
602 #endif /* G_ENABLE_DEBUG */
604 env_string = g_getenv ("GTK_MODULES");
606 gtk_modules_string = g_string_new (env_string);
612 for (i = 1; i < *argc;)
614 if (strcmp ("--gtk-module", (*argv)[i]) == 0 ||
615 strncmp ("--gtk-module=", (*argv)[i], 13) == 0)
617 gchar *module_name = (*argv)[i] + 12;
619 if (*module_name == '=')
621 else if (i + 1 < *argc)
625 module_name = (*argv)[i];
629 if (module_name && *module_name)
631 if (gtk_modules_string)
632 g_string_append_c (gtk_modules_string, G_SEARCHPATH_SEPARATOR);
634 gtk_modules_string = g_string_new (NULL);
636 g_string_append (gtk_modules_string, module_name);
639 else if (strcmp ("--g-fatal-warnings", (*argv)[i]) == 0)
641 GLogLevelFlags fatal_mask;
643 fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);
644 fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;
645 g_log_set_always_fatal (fatal_mask);
648 #ifdef G_ENABLE_DEBUG
649 else if ((strcmp ("--gtk-debug", (*argv)[i]) == 0) ||
650 (strncmp ("--gtk-debug=", (*argv)[i], 12) == 0))
652 gchar *equal_pos = strchr ((*argv)[i], '=');
654 if (equal_pos != NULL)
656 gtk_debug_flags |= g_parse_debug_string (equal_pos+1,
660 else if ((i + 1) < *argc && (*argv)[i + 1])
662 gtk_debug_flags |= g_parse_debug_string ((*argv)[i+1],
670 else if ((strcmp ("--gtk-no-debug", (*argv)[i]) == 0) ||
671 (strncmp ("--gtk-no-debug=", (*argv)[i], 15) == 0))
673 gchar *equal_pos = strchr ((*argv)[i], '=');
675 if (equal_pos != NULL)
677 gtk_debug_flags &= ~g_parse_debug_string (equal_pos+1,
681 else if ((i + 1) < *argc && (*argv)[i + 1])
683 gtk_debug_flags &= ~g_parse_debug_string ((*argv)[i+1],
691 #endif /* G_ENABLE_DEBUG */
695 for (i = 1; i < *argc; i++)
697 for (k = i; k < *argc; k++)
698 if ((*argv)[k] != NULL)
704 for (j = i + k; j < *argc; j++)
705 (*argv)[j-k] = (*argv)[j];
711 if (gtk_debug_flags & GTK_DEBUG_UPDATES)
712 gdk_window_set_debug_updates (TRUE);
714 /* load gtk modules */
715 if (gtk_modules_string)
717 gtk_modules = load_modules (gtk_modules_string->str);
718 g_string_free (gtk_modules_string, TRUE);
722 bindtextdomain (GETTEXT_PACKAGE, GTK_LOCALEDIR);
723 # ifdef HAVE_BIND_TEXTDOMAIN_CODESET
724 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
729 /* Translate to default:RTL if you want your widgets
730 * to be RTL, otherwise translate to default:LTR.
731 * Do *not* translate it to "predefinito:LTR", if it
732 * it isn't default:LTR or default:RTL it will not work
734 char *e = _("default:LTR");
735 if (strcmp (e, "default:RTL")==0) {
736 gtk_widget_set_default_direction (GTK_TEXT_DIR_RTL);
737 } else if (strcmp (e, "default:LTR")) {
738 g_warning ("Whoever translated default:LTR did so wrongly.\n");
742 /* Initialize the default visual and colormap to be
743 * used in creating widgets. (We want to use the system
744 * defaults so as to be nice to the colormap).
746 gtk_visual = gdk_visual_get_system ();
747 gtk_colormap = gdk_colormap_get_system ();
750 _gtk_accel_map_init ();
753 /* Set the 'initialized' flag.
755 gtk_initialized = TRUE;
757 /* initialize gtk modules
759 for (slist = gtk_modules; slist; slist = slist->next)
763 GtkModuleInitFunc modinit;
765 modinit = slist->data;
766 modinit (argc, argv);
769 g_slist_free (gtk_modules);
777 gtk_init (int *argc, char ***argv)
779 if (!gtk_init_check (argc, argv))
781 g_warning ("cannot open display: %s", gdk_get_display ());
789 check_sizeof_GtkWindow (size_t sizeof_GtkWindow)
791 if (sizeof_GtkWindow != sizeof (GtkWindow))
792 g_error ("Incompatible build!\n"
793 "The code using GTK+ thinks GtkWindow is of different\n"
794 "size than it actually is in this build of GTK+.\n"
795 "On Windows, this probably means that you have compiled\n"
796 "your code with gcc without the -fnative-struct switch.");
799 /* These two functions might get more checks added later, thus pass
800 * in the number of extra args.
803 gtk_init_abi_check (int *argc, char ***argv, int num_checks, size_t sizeof_GtkWindow)
805 check_sizeof_GtkWindow (sizeof_GtkWindow);
806 gtk_init (argc, argv);
810 gtk_init_check_abi_check (int *argc, char ***argv, int num_checks, size_t sizeof_GtkWindow)
812 check_sizeof_GtkWindow (sizeof_GtkWindow);
813 return gtk_init_check (argc, argv);
819 gtk_exit (gint errorcode)
821 /* Only if "gtk" has been initialized should we de-initialize.
823 gdk_exit (errorcode);
830 * Initializes internationalization support for GTK+. gtk_init()
831 * automatically does this, so there is typically no point
832 * in calling this function.
834 * If you are calling this function because you changed the locale
835 * after GTK+ is was initialized, then calling this function
836 * may help a bit. (Note, however, that changing the locale
837 * after GTK+ is initialized may produce inconsistent results and
838 * is not really supported.)
840 * In detail - sets the current locale according to the
841 * program environment. This is the same as calling the C library function
842 * <literal>setlocale (LC_ALL, "")</literal> but also takes care of the
843 * locale specific setup of the windowing system used by GDK.
845 * Return value: a string corresponding to the locale set, as with the
846 * C library function <function>setlocale()</function>.
849 gtk_set_locale (void)
851 return gdk_set_locale ();
855 * gtk_get_default_language:
857 * Returns the ISO language code for the default language currently in
858 * effect. (Note that this can change over the life of an
859 * application.) The default language is derived from the current
860 * locale. It determines, for example, whether GTK+ uses the
861 * right-to-left or left-to-right text direction.
863 * Return value: the default language as an allocated string, must be freed
866 gtk_get_default_language (void)
869 PangoLanguage *result;
872 lang = g_strdup (setlocale (LC_CTYPE, NULL));
873 p = strchr (lang, '.');
876 p = strchr (lang, '@');
880 result = pango_language_from_string (lang);
891 GtkInitFunction *init;
894 gtk_main_loop_level++;
896 loop = g_main_new (TRUE);
897 main_loops = g_slist_prepend (main_loops, loop);
899 tmp_list = functions = init_functions;
900 init_functions = NULL;
904 init = tmp_list->data;
905 tmp_list = tmp_list->next;
907 (* init->function) (init->data);
910 g_list_free (functions);
912 if (g_main_is_running (main_loops->data))
914 GDK_THREADS_LEAVE ();
916 GDK_THREADS_ENTER ();
922 GList *reinvoke_list = NULL;
923 GtkQuitFunction *quitf;
925 while (quit_functions)
927 quitf = quit_functions->data;
929 tmp_list = quit_functions;
930 quit_functions = g_list_remove_link (quit_functions, quit_functions);
931 g_list_free_1 (tmp_list);
933 if ((quitf->main_level && quitf->main_level != gtk_main_loop_level) ||
934 gtk_quit_invoke_function (quitf))
936 reinvoke_list = g_list_prepend (reinvoke_list, quitf);
940 gtk_quit_destroy (quitf);
947 work = g_list_last (reinvoke_list);
949 quit_functions->prev = work;
950 work->next = quit_functions;
951 quit_functions = work;
957 main_loops = g_slist_remove (main_loops, loop);
959 g_main_destroy (loop);
961 gtk_main_loop_level--;
965 gtk_main_level (void)
967 return gtk_main_loop_level;
973 g_return_if_fail (main_loops != NULL);
975 g_main_quit (main_loops->data);
979 gtk_events_pending (void)
983 GDK_THREADS_LEAVE ();
984 result = g_main_pending ();
985 GDK_THREADS_ENTER ();
991 gtk_main_iteration (void)
993 GDK_THREADS_LEAVE ();
994 g_main_iteration (TRUE);
995 GDK_THREADS_ENTER ();
998 return !g_main_is_running (main_loops->data);
1004 gtk_main_iteration_do (gboolean blocking)
1006 GDK_THREADS_LEAVE ();
1007 g_main_iteration (blocking);
1008 GDK_THREADS_ENTER ();
1011 return !g_main_is_running (main_loops->data);
1016 /* private libgtk to libgdk interfaces
1018 gboolean gdk_pointer_grab_info_libgtk_only (GdkWindow **grab_window,
1019 gboolean *owner_events);
1020 gboolean gdk_keyboard_grab_info_libgtk_only (GdkWindow **grab_window,
1021 gboolean *owner_events);
1024 rewrite_events_translate (GdkWindow *old_window,
1025 GdkWindow *new_window,
1029 gint old_origin_x, old_origin_y;
1030 gint new_origin_x, new_origin_y;
1032 gdk_window_get_origin (old_window, &old_origin_x, &old_origin_y);
1033 gdk_window_get_origin (new_window, &new_origin_x, &new_origin_y);
1035 *x += new_origin_x - old_origin_x;
1036 *y += new_origin_y - old_origin_y;
1040 rewrite_event_for_window (GdkEvent *event,
1041 GdkWindow *new_window)
1043 event = gdk_event_copy (event);
1045 switch (event->type)
1048 rewrite_events_translate (event->any.window,
1050 &event->scroll.x, &event->scroll.y);
1052 case GDK_BUTTON_PRESS:
1053 case GDK_2BUTTON_PRESS:
1054 case GDK_3BUTTON_PRESS:
1055 case GDK_BUTTON_RELEASE:
1056 rewrite_events_translate (event->any.window,
1058 &event->button.x, &event->button.y);
1060 case GDK_MOTION_NOTIFY:
1061 rewrite_events_translate (event->any.window,
1063 &event->motion.x, &event->motion.y);
1066 case GDK_KEY_RELEASE:
1067 case GDK_PROXIMITY_IN:
1068 case GDK_PROXIMITY_OUT:
1075 g_object_unref (event->any.window);
1076 event->any.window = g_object_ref (new_window);
1081 /* If there is a pointer or keyboard grab in effect with owner_events = TRUE,
1082 * then what X11 does is deliver the event normally if it was going to this
1083 * client, otherwise, delivers it in terms of the grab window. This function
1084 * rewrites events to the effect that events going to the same window group
1085 * are delivered normally, otherwise, the event is delivered in terms of the
1089 rewrite_event_for_grabs (GdkEvent *event)
1091 GdkWindow *grab_window;
1092 GtkWidget *event_widget, *grab_widget;
1093 gboolean owner_events;
1095 switch (event->type)
1098 case GDK_BUTTON_PRESS:
1099 case GDK_2BUTTON_PRESS:
1100 case GDK_3BUTTON_PRESS:
1101 case GDK_BUTTON_RELEASE:
1102 case GDK_MOTION_NOTIFY:
1103 case GDK_PROXIMITY_IN:
1104 case GDK_PROXIMITY_OUT:
1105 if (!gdk_pointer_grab_info_libgtk_only (&grab_window, &owner_events) ||
1111 case GDK_KEY_RELEASE:
1112 if (!gdk_keyboard_grab_info_libgtk_only (&grab_window, &owner_events) ||
1121 event_widget = gtk_get_event_widget (event);
1122 gdk_window_get_user_data (grab_window, (void**) &grab_widget);
1125 gtk_main_get_window_group (grab_widget) != gtk_main_get_window_group (event_widget))
1126 return rewrite_event_for_window (event, grab_window);
1132 gtk_main_do_event (GdkEvent *event)
1134 GtkWidget *event_widget;
1135 GtkWidget *grab_widget;
1136 GtkWindowGroup *window_group;
1137 GdkEvent *next_event;
1138 GdkEvent *rewritten_event = NULL;
1141 /* If there are any events pending then get the next one.
1143 next_event = gdk_event_peek ();
1145 /* Try to compress enter/leave notify events. These event
1146 * pairs occur when the mouse is dragged quickly across
1147 * a window with many buttons (or through a menu). Instead
1148 * of highlighting and de-highlighting each widget that
1149 * is crossed it is better to simply de-highlight the widget
1150 * which contained the mouse initially and highlight the
1151 * widget which ends up containing the mouse.
1154 if (((event->type == GDK_ENTER_NOTIFY) ||
1155 (event->type == GDK_LEAVE_NOTIFY)) &&
1156 ((next_event->type == GDK_ENTER_NOTIFY) ||
1157 (next_event->type == GDK_LEAVE_NOTIFY)) &&
1158 (next_event->type != event->type) &&
1159 (next_event->any.window == event->any.window))
1161 /* Throw both the peeked copy and the queued copy away
1163 gdk_event_free (next_event);
1164 next_event = gdk_event_get ();
1165 gdk_event_free (next_event);
1171 gdk_event_free (next_event);
1173 /* Find the widget which got the event. We store the widget
1174 * in the user_data field of GdkWindow's.
1175 * Ignore the event if we don't have a widget for it, except
1176 * for GDK_PROPERTY_NOTIFY events which are handled specialy.
1177 * Though this happens rarely, bogus events can occour
1178 * for e.g. destroyed GdkWindows.
1180 event_widget = gtk_get_event_widget (event);
1183 /* To handle selection INCR transactions, we select
1184 * PropertyNotify events on the requestor window and create
1185 * a corresponding (fake) GdkWindow so that events get
1186 * here. There won't be a widget though, so we have to handle
1189 if (event->type == GDK_PROPERTY_NOTIFY)
1190 gtk_selection_incr_event (event->any.window,
1192 else if (event->type == GDK_SETTING)
1193 _gtk_settings_handle_event (&event->setting);
1198 /* If pointer or keyboard grabs are in effect, munge the events
1199 * so that each window group looks like a separate app.
1201 rewritten_event = rewrite_event_for_grabs (event);
1202 if (rewritten_event)
1204 event = rewritten_event;
1205 event_widget = gtk_get_event_widget (event);
1208 window_group = gtk_main_get_window_group (event_widget);
1210 /* Push the event onto a stack of current events for
1211 * gtk_current_event_get().
1213 current_events = g_list_prepend (current_events, event);
1215 /* If there is a grab in effect...
1217 if (window_group->grabs)
1219 grab_widget = window_group->grabs->data;
1221 /* If the grab widget is an ancestor of the event widget
1222 * then we send the event to the original event widget.
1223 * This is the key to implementing modality.
1225 if (GTK_WIDGET_IS_SENSITIVE (event_widget) &&
1226 gtk_widget_is_ancestor (event_widget, grab_widget))
1227 grab_widget = event_widget;
1231 grab_widget = event_widget;
1234 /* Not all events get sent to the grabbing widget.
1235 * The delete, destroy, expose, focus change and resize
1236 * events still get sent to the event widget because
1237 * 1) these events have no meaning for the grabbing widget
1238 * and 2) redirecting these events to the grabbing widget
1239 * could cause the display to be messed up.
1241 * Drag events are also not redirected, since it isn't
1242 * clear what the semantics of that would be.
1244 switch (event->type)
1250 gtk_widget_ref (event_widget);
1251 if ((!window_group->grabs || gtk_widget_get_toplevel (window_group->grabs->data) == event_widget) &&
1252 !gtk_widget_event (event_widget, event))
1253 gtk_widget_destroy (event_widget);
1254 gtk_widget_unref (event_widget);
1258 /* Unexpected GDK_DESTROY from the outside, ignore for
1259 * child windows, handle like a GDK_DELETE for toplevels
1261 if (!event_widget->parent)
1263 gtk_widget_ref (event_widget);
1264 if (!gtk_widget_event (event_widget, event) &&
1265 GTK_WIDGET_REALIZED (event_widget))
1266 gtk_widget_destroy (event_widget);
1267 gtk_widget_unref (event_widget);
1272 if (event->any.window && GTK_WIDGET_DOUBLE_BUFFERED (event_widget))
1274 gdk_window_begin_paint_region (event->any.window, event->expose.region);
1275 gtk_widget_send_expose (event_widget, event);
1276 gdk_window_end_paint (event->any.window);
1279 gtk_widget_send_expose (event_widget, event);
1282 case GDK_PROPERTY_NOTIFY:
1284 case GDK_FOCUS_CHANGE:
1288 case GDK_SELECTION_CLEAR:
1289 case GDK_SELECTION_REQUEST:
1290 case GDK_SELECTION_NOTIFY:
1291 case GDK_CLIENT_EVENT:
1292 case GDK_VISIBILITY_NOTIFY:
1293 case GDK_WINDOW_STATE:
1294 gtk_widget_event (event_widget, event);
1298 case GDK_BUTTON_PRESS:
1299 case GDK_2BUTTON_PRESS:
1300 case GDK_3BUTTON_PRESS:
1301 gtk_propagate_event (grab_widget, event);
1305 case GDK_KEY_RELEASE:
1308 if (gtk_invoke_key_snoopers (grab_widget, event))
1311 /* else fall through */
1312 case GDK_MOTION_NOTIFY:
1313 case GDK_BUTTON_RELEASE:
1314 case GDK_PROXIMITY_IN:
1315 case GDK_PROXIMITY_OUT:
1316 gtk_propagate_event (grab_widget, event);
1319 case GDK_ENTER_NOTIFY:
1320 if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
1322 g_object_ref (event_widget);
1324 gtk_widget_event (grab_widget, event);
1325 if (event_widget == grab_widget)
1326 GTK_PRIVATE_SET_FLAG (event_widget, GTK_LEAVE_PENDING);
1328 g_object_unref (event_widget);
1332 case GDK_LEAVE_NOTIFY:
1333 if (GTK_WIDGET_LEAVE_PENDING (event_widget))
1335 GTK_PRIVATE_UNSET_FLAG (event_widget, GTK_LEAVE_PENDING);
1336 gtk_widget_event (event_widget, event);
1338 else if (GTK_WIDGET_IS_SENSITIVE (grab_widget))
1339 gtk_widget_event (grab_widget, event);
1342 case GDK_DRAG_STATUS:
1343 case GDK_DROP_FINISHED:
1344 _gtk_drag_source_handle_event (event_widget, event);
1346 case GDK_DRAG_ENTER:
1347 case GDK_DRAG_LEAVE:
1348 case GDK_DRAG_MOTION:
1349 case GDK_DROP_START:
1350 _gtk_drag_dest_handle_event (event_widget, event);
1353 g_assert_not_reached ();
1357 tmp_list = current_events;
1358 current_events = g_list_remove_link (current_events, tmp_list);
1359 g_list_free_1 (tmp_list);
1361 if (rewritten_event)
1362 gdk_event_free (rewritten_event);
1377 static GtkWindowGroup *
1378 gtk_main_get_window_group (GtkWidget *widget)
1380 GtkWidget *toplevel = NULL;
1383 toplevel = gtk_widget_get_toplevel (widget);
1385 if (toplevel && GTK_IS_WINDOW (toplevel))
1386 return _gtk_window_get_group (GTK_WINDOW (toplevel));
1388 return _gtk_window_get_group (NULL);
1393 GtkWidget *old_grab_widget;
1394 GtkWidget *new_grab_widget;
1398 check_is_grabbed (GtkWidget *widget,
1399 GtkWidget *grab_widget)
1402 return !(widget == grab_widget || gtk_widget_is_ancestor (widget, grab_widget));
1408 gtk_grab_notify_foreach (GtkWidget *child,
1412 GrabNotifyInfo *info = data;
1413 gboolean was_grabbed = check_is_grabbed (child, info->old_grab_widget);
1414 gboolean is_grabbed = check_is_grabbed (child, info->new_grab_widget);
1416 if (was_grabbed != is_grabbed)
1418 g_object_ref (G_OBJECT (child));
1420 gtk_signal_emit_by_name (GTK_OBJECT (child), "grab_notify", was_grabbed);
1422 if (GTK_IS_CONTAINER (child))
1423 gtk_container_foreach (GTK_CONTAINER (child), gtk_grab_notify_foreach, info);
1425 g_object_unref (G_OBJECT (child));
1430 gtk_grab_notify (GtkWindowGroup *group,
1431 GtkWidget *grab_widget,
1432 gboolean was_grabbed)
1435 GrabNotifyInfo info;
1439 info.old_grab_widget = grab_widget;
1440 info.new_grab_widget = group->grabs ? group->grabs->data : NULL;
1444 info.old_grab_widget = (group->grabs && group->grabs->next) ? group->grabs->next->data : NULL;
1445 info.new_grab_widget = grab_widget;
1448 g_object_ref (group);
1449 g_object_ref (grab_widget);
1451 toplevels = gtk_window_list_toplevels ();
1452 g_list_foreach (toplevels, (GFunc)g_object_ref, NULL);
1456 GtkWindow *toplevel = toplevels->data;
1457 toplevels = g_list_delete_link (toplevels, toplevels);
1459 if (group == _gtk_window_get_group (toplevel))
1460 gtk_container_foreach (GTK_CONTAINER (toplevel), gtk_grab_notify_foreach, &info);
1461 g_object_unref (toplevel);
1464 g_object_unref (group);
1465 g_object_unref (grab_widget);
1469 gtk_grab_add (GtkWidget *widget)
1471 GtkWindowGroup *group;
1472 gboolean was_grabbed;
1474 g_return_if_fail (widget != NULL);
1476 if (!GTK_WIDGET_HAS_GRAB (widget) && GTK_WIDGET_IS_SENSITIVE (widget))
1478 GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_GRAB);
1480 group = gtk_main_get_window_group (widget);
1482 was_grabbed = (group->grabs != NULL);
1484 gtk_widget_ref (widget);
1485 group->grabs = g_slist_prepend (group->grabs, widget);
1487 gtk_grab_notify (group, widget, FALSE);
1492 gtk_grab_get_current (void)
1494 GtkWindowGroup *group;
1496 group = gtk_main_get_window_group (NULL);
1499 return GTK_WIDGET (group->grabs->data);
1504 gtk_grab_remove (GtkWidget *widget)
1506 GtkWindowGroup *group;
1508 g_return_if_fail (widget != NULL);
1510 if (GTK_WIDGET_HAS_GRAB (widget))
1512 GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_GRAB);
1514 group = gtk_main_get_window_group (widget);
1515 group->grabs = g_slist_remove (group->grabs, widget);
1517 gtk_widget_unref (widget);
1519 gtk_grab_notify (group, widget, TRUE);
1524 gtk_init_add (GtkFunction function,
1527 GtkInitFunction *init;
1529 init = g_new (GtkInitFunction, 1);
1530 init->function = function;
1533 init_functions = g_list_prepend (init_functions, init);
1537 gtk_key_snooper_install (GtkKeySnoopFunc snooper,
1540 GtkKeySnooperData *data;
1541 static guint snooper_id = 1;
1543 g_return_val_if_fail (snooper != NULL, 0);
1545 data = g_new (GtkKeySnooperData, 1);
1546 data->func = snooper;
1547 data->func_data = func_data;
1548 data->id = snooper_id++;
1549 key_snoopers = g_slist_prepend (key_snoopers, data);
1555 gtk_key_snooper_remove (guint snooper_id)
1557 GtkKeySnooperData *data = NULL;
1560 slist = key_snoopers;
1564 if (data->id == snooper_id)
1567 slist = slist->next;
1571 key_snoopers = g_slist_remove (key_snoopers, data);
1575 gtk_invoke_key_snoopers (GtkWidget *grab_widget,
1579 gint return_val = FALSE;
1581 slist = key_snoopers;
1582 while (slist && !return_val)
1584 GtkKeySnooperData *data;
1587 slist = slist->next;
1588 return_val = (*data->func) (grab_widget, (GdkEventKey*) event, data->func_data);
1595 gtk_quit_add_full (guint main_level,
1596 GtkFunction function,
1597 GtkCallbackMarshal marshal,
1599 GtkDestroyNotify destroy)
1601 static guint quit_id = 1;
1602 GtkQuitFunction *quitf;
1604 g_return_val_if_fail ((function != NULL) || (marshal != NULL), 0);
1606 if (!quit_mem_chunk)
1607 quit_mem_chunk = g_mem_chunk_new ("quit mem chunk", sizeof (GtkQuitFunction),
1608 512, G_ALLOC_AND_FREE);
1610 quitf = g_chunk_new (GtkQuitFunction, quit_mem_chunk);
1612 quitf->id = quit_id++;
1613 quitf->main_level = main_level;
1614 quitf->function = function;
1615 quitf->marshal = marshal;
1617 quitf->destroy = destroy;
1619 quit_functions = g_list_prepend (quit_functions, quitf);
1625 gtk_quit_destroy (GtkQuitFunction *quitf)
1628 quitf->destroy (quitf->data);
1629 g_mem_chunk_free (quit_mem_chunk, quitf);
1633 gtk_quit_destructor (GtkObject **object_p)
1636 gtk_object_destroy (*object_p);
1643 gtk_quit_add_destroy (guint main_level,
1646 GtkObject **object_p;
1648 g_return_if_fail (main_level > 0);
1649 g_return_if_fail (GTK_IS_OBJECT (object));
1651 object_p = g_new (GtkObject*, 1);
1653 gtk_signal_connect (object,
1655 GTK_SIGNAL_FUNC (gtk_widget_destroyed),
1657 gtk_quit_add (main_level, (GtkFunction) gtk_quit_destructor, object_p);
1661 gtk_quit_add (guint main_level,
1662 GtkFunction function,
1665 return gtk_quit_add_full (main_level, function, NULL, data, NULL);
1669 gtk_quit_remove (guint id)
1671 GtkQuitFunction *quitf;
1674 tmp_list = quit_functions;
1677 quitf = tmp_list->data;
1679 if (quitf->id == id)
1681 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1682 g_list_free (tmp_list);
1683 gtk_quit_destroy (quitf);
1688 tmp_list = tmp_list->next;
1693 gtk_quit_remove_by_data (gpointer data)
1695 GtkQuitFunction *quitf;
1698 tmp_list = quit_functions;
1701 quitf = tmp_list->data;
1703 if (quitf->data == data)
1705 quit_functions = g_list_remove_link (quit_functions, tmp_list);
1706 g_list_free (tmp_list);
1707 gtk_quit_destroy (quitf);
1712 tmp_list = tmp_list->next;
1717 gtk_timeout_add_full (guint32 interval,
1718 GtkFunction function,
1719 GtkCallbackMarshal marshal,
1721 GtkDestroyNotify destroy)
1725 GtkClosure *closure;
1727 closure = g_new (GtkClosure, 1);
1728 closure->marshal = marshal;
1729 closure->data = data;
1730 closure->destroy = destroy;
1732 return g_timeout_add_full (0, interval,
1733 gtk_invoke_idle_timeout,
1735 gtk_destroy_closure);
1738 return g_timeout_add_full (0, interval, function, data, destroy);
1742 gtk_timeout_add (guint32 interval,
1743 GtkFunction function,
1746 return g_timeout_add_full (0, interval, function, data, NULL);
1750 gtk_timeout_remove (guint tag)
1752 g_source_remove (tag);
1756 gtk_idle_add_full (gint priority,
1757 GtkFunction function,
1758 GtkCallbackMarshal marshal,
1760 GtkDestroyNotify destroy)
1764 GtkClosure *closure;
1766 closure = g_new (GtkClosure, 1);
1767 closure->marshal = marshal;
1768 closure->data = data;
1769 closure->destroy = destroy;
1771 return g_idle_add_full (priority,
1772 gtk_invoke_idle_timeout,
1774 gtk_destroy_closure);
1777 return g_idle_add_full (priority, function, data, destroy);
1781 gtk_idle_add (GtkFunction function,
1784 return g_idle_add_full (GTK_PRIORITY_DEFAULT, function, data, NULL);
1788 gtk_idle_add_priority (gint priority,
1789 GtkFunction function,
1792 return g_idle_add_full (priority, function, data, NULL);
1796 gtk_idle_remove (guint tag)
1798 g_source_remove (tag);
1802 gtk_idle_remove_by_data (gpointer data)
1804 if (!g_idle_remove_by_data (data))
1805 g_warning ("gtk_idle_remove_by_data(%p): no such idle", data);
1809 gtk_input_add_full (gint source,
1810 GdkInputCondition condition,
1811 GdkInputFunction function,
1812 GtkCallbackMarshal marshal,
1814 GtkDestroyNotify destroy)
1818 GtkClosure *closure;
1820 closure = g_new (GtkClosure, 1);
1821 closure->marshal = marshal;
1822 closure->data = data;
1823 closure->destroy = destroy;
1825 return gdk_input_add_full (source,
1827 (GdkInputFunction) gtk_invoke_input,
1829 (GdkDestroyNotify) gtk_destroy_closure);
1832 return gdk_input_add_full (source, condition, function, data, destroy);
1836 gtk_input_remove (guint tag)
1838 g_source_remove (tag);
1842 gtk_destroy_closure (gpointer data)
1844 GtkClosure *closure = data;
1846 if (closure->destroy)
1847 (closure->destroy) (closure->data);
1852 gtk_invoke_idle_timeout (gpointer data)
1854 GtkClosure *closure = data;
1857 gint ret_val = FALSE;
1858 args[0].name = NULL;
1859 args[0].type = GTK_TYPE_BOOL;
1860 args[0].d.pointer_data = &ret_val;
1861 closure->marshal (NULL, closure->data, 0, args);
1866 gtk_invoke_input (gpointer data,
1868 GdkInputCondition condition)
1870 GtkClosure *closure = data;
1873 args[0].type = GTK_TYPE_INT;
1874 args[0].name = NULL;
1875 GTK_VALUE_INT (args[0]) = source;
1876 args[1].type = GDK_TYPE_INPUT_CONDITION;
1877 args[1].name = NULL;
1878 GTK_VALUE_FLAGS (args[1]) = condition;
1879 args[2].type = GTK_TYPE_NONE;
1880 args[2].name = NULL;
1882 closure->marshal (NULL, closure->data, 2, args);
1886 * gtk_get_current_event:
1888 * Obtains a copy of the event currently being processed by GTK+. For
1889 * example, if you get a "clicked" signal from #GtkButton, the current
1890 * event will be the #GdkEventButton that triggered the "clicked"
1891 * signal. The returned event must be freed with gdk_event_free().
1892 * If there is no current event, the function returns %NULL.
1894 * Return value: a copy of the current event, or %NULL if no current event.
1897 gtk_get_current_event (void)
1900 return gdk_event_copy (current_events->data);
1906 * gtk_get_current_event_time:
1908 * If there is a current event and it has a timestamp, return that
1909 * timestamp, otherwise return %GDK_CURRENT_TIME.
1911 * Return value: the timestamp from the current event, or %GDK_CURRENT_TIME.
1914 gtk_get_current_event_time (void)
1917 return gdk_event_get_time (current_events->data);
1919 return GDK_CURRENT_TIME;
1923 * gtk_get_current_event_state:
1924 * @state: a location to store the state of the current event
1926 * If there is a current event and it has a state field, place
1927 * that state field in @state and return %TRUE, otherwise return
1930 * Return value: %TRUE if there was a current event and it had a state field
1933 gtk_get_current_event_state (GdkModifierType *state)
1935 g_return_val_if_fail (state != NULL, FALSE);
1938 return gdk_event_get_state (current_events->data, state);
1947 * gtk_get_event_widget:
1948 * @event: a #GdkEvent
1950 * If @event is %NULL or the event was not associated with any widget,
1951 * returns %NULL, otherwise returns the widget that received the event
1954 * Return value: the widget that originally received @event, or %NULL
1957 gtk_get_event_widget (GdkEvent *event)
1962 if (event && event->any.window)
1963 gdk_window_get_user_data (event->any.window, (void**) &widget);
1969 gtk_quit_invoke_function (GtkQuitFunction *quitf)
1971 if (!quitf->marshal)
1972 return quitf->function (quitf->data);
1976 gint ret_val = FALSE;
1978 args[0].name = NULL;
1979 args[0].type = GTK_TYPE_BOOL;
1980 args[0].d.pointer_data = &ret_val;
1981 ((GtkCallbackMarshal) quitf->marshal) (NULL,
1989 * gtk_propagate_event:
1990 * @widget: a #GtkWidget
1993 * Sends an event to a widget, propagating the event to parent widgets
1994 * if the event remains unhandled. Events received by GTK+ from GDK
1995 * normally begin in gtk_main_do_event(). Depending on the type of
1996 * event, existence of modal dialogs, grabs, etc., the event may be
1997 * propagated; if so, this function is used. gtk_propagate_event()
1998 * calls gtk_widget_event() on each widget it decides to send the
1999 * event to. So gtk_widget_event() is the lowest-level function; it
2000 * simply emits the "event" and possibly an event-specific signal on a
2001 * widget. gtk_propagate_event() is a bit higher-level, and
2002 * gtk_main_do_event() is the highest level.
2004 * All that said, you most likely don't want to use any of these
2005 * functions; synthesizing events is rarely needed. Consider asking on
2006 * the mailing list for better ways to achieve your goals. For
2007 * example, use gdk_window_invalidate_rect() or
2008 * gtk_widget_queue_draw() instead of making up expose events.
2012 gtk_propagate_event (GtkWidget *widget,
2017 g_return_if_fail (GTK_IS_WIDGET (widget));
2018 g_return_if_fail (event != NULL);
2020 handled_event = FALSE;
2022 gtk_widget_ref (widget);
2024 if ((event->type == GDK_KEY_PRESS) ||
2025 (event->type == GDK_KEY_RELEASE))
2027 /* Only send key events within Window widgets to the Window
2028 * The Window widget will in turn pass the
2029 * key event on to the currently focused widget
2034 window = gtk_widget_get_toplevel (widget);
2035 if (window && GTK_IS_WINDOW (window))
2037 /* If there is a grab within the window, give the grab widget
2038 * a first crack at the key event
2040 if (widget != window && GTK_WIDGET_HAS_GRAB (widget))
2041 handled_event = gtk_widget_event (widget, event);
2045 window = gtk_widget_get_toplevel (widget);
2046 if (window && GTK_IS_WINDOW (window))
2048 if (GTK_WIDGET_IS_SENSITIVE (window))
2049 gtk_widget_event (window, event);
2053 handled_event = TRUE; /* don't send to widget */
2057 /* Other events get propagated up the widget tree
2058 * so that parents can see the button and motion
2059 * events of the children.
2067 handled_event = !GTK_WIDGET_IS_SENSITIVE (widget) || gtk_widget_event (widget, event);
2068 tmp = widget->parent;
2069 gtk_widget_unref (widget);
2073 if (!handled_event && widget)
2074 gtk_widget_ref (widget);
2080 gtk_widget_unref (widget);
2085 gtk_error (gchar *str)
2091 gtk_warning (gchar *str)
2097 gtk_message (gchar *str)
2103 gtk_print (gchar *str)
2105 static GtkWidget *window = NULL;
2106 static GtkWidget *text;
2107 static int level = 0;
2111 GtkWidget *hscrollbar;
2112 GtkWidget *vscrollbar;
2113 GtkWidget *separator;
2118 fputs (str, stdout);
2125 window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
2127 gtk_signal_connect (GTK_OBJECT (window), "destroy",
2128 (GtkSignalFunc) gtk_widget_destroyed,
2131 gtk_window_set_title (GTK_WINDOW (window), "Messages");
2133 box1 = gtk_vbox_new (FALSE, 0);
2134 gtk_container_add (GTK_CONTAINER (window), box1);
2135 gtk_widget_show (box1);
2138 box2 = gtk_vbox_new (FALSE, 10);
2139 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
2140 gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);
2141 gtk_widget_show (box2);
2144 table = gtk_table_new (2, 2, FALSE);
2145 gtk_table_set_row_spacing (GTK_TABLE (table), 0, 2);
2146 gtk_table_set_col_spacing (GTK_TABLE (table), 0, 2);
2147 gtk_box_pack_start (GTK_BOX (box2), table, TRUE, TRUE, 0);
2148 gtk_widget_show (table);
2150 text = gtk_text_new (NULL, NULL);
2151 gtk_text_set_editable (GTK_TEXT (text), FALSE);
2152 gtk_table_attach_defaults (GTK_TABLE (table), text, 0, 1, 0, 1);
2153 gtk_widget_show (text);
2154 gtk_widget_realize (text);
2156 hscrollbar = gtk_hscrollbar_new (GTK_TEXT (text)->hadj);
2157 gtk_table_attach (GTK_TABLE (table), hscrollbar, 0, 1, 1, 2,
2158 GTK_EXPAND | GTK_FILL, GTK_FILL, 0, 0);
2159 gtk_widget_show (hscrollbar);
2161 vscrollbar = gtk_vscrollbar_new (GTK_TEXT (text)->vadj);
2162 gtk_table_attach (GTK_TABLE (table), vscrollbar, 1, 2, 0, 1,
2163 GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);
2164 gtk_widget_show (vscrollbar);
2166 separator = gtk_hseparator_new ();
2167 gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);
2168 gtk_widget_show (separator);
2171 box2 = gtk_vbox_new (FALSE, 10);
2172 gtk_container_set_border_width (GTK_CONTAINER (box2), 10);
2173 gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);
2174 gtk_widget_show (box2);
2177 button = gtk_button_new_with_label ("close");
2178 gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
2179 (GtkSignalFunc) gtk_widget_hide,
2180 GTK_OBJECT (window));
2181 gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
2182 GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
2183 gtk_widget_grab_default (button);
2184 gtk_widget_show (button);
2188 gtk_text_insert (GTK_TEXT (text), NULL, NULL, NULL, str, -1);
2191 if (!GTK_WIDGET_VISIBLE (window))
2192 gtk_widget_show (window);
2197 _gtk_boolean_handled_accumulator (GSignalInvocationHint *ihint,
2198 GValue *return_accu,
2199 const GValue *handler_return,
2202 gboolean continue_emission;
2203 gboolean signal_handled;
2205 signal_handled = g_value_get_boolean (handler_return);
2206 g_value_set_boolean (return_accu, signal_handled);
2207 continue_emission = !signal_handled;
2209 return continue_emission;