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 "gtkbutton.h"
28 #include "gtkdialog.h"
30 #include "gtkhseparator.h"
32 #include "gtksignal.h"
33 #include "gdkkeysyms.h"
36 #include "gtkbindings.h"
38 static void gtk_dialog_class_init (GtkDialogClass *klass);
39 static void gtk_dialog_init (GtkDialog *dialog);
41 static void gtk_dialog_add_buttons_valist (GtkDialog *dialog,
42 const gchar *first_button_text,
45 static gint gtk_dialog_delete_event_handler (GtkWidget *widget,
49 static void gtk_dialog_set_property (GObject *object,
53 static void gtk_dialog_get_property (GObject *object,
57 static void gtk_dialog_style_set (GtkWidget *widget,
58 GtkStyle *prev_style);
60 static void gtk_dialog_close (GtkDialog *dialog);
73 static gpointer parent_class;
74 static guint dialog_signals[LAST_SIGNAL];
77 gtk_dialog_get_type (void)
79 static GtkType dialog_type = 0;
83 static const GtkTypeInfo dialog_info =
87 sizeof (GtkDialogClass),
88 (GtkClassInitFunc) gtk_dialog_class_init,
89 (GtkObjectInitFunc) gtk_dialog_init,
90 /* reserved_1 */ NULL,
91 /* reserved_2 */ NULL,
92 (GtkClassInitFunc) NULL,
95 dialog_type = gtk_type_unique (GTK_TYPE_WINDOW, &dialog_info);
102 gtk_dialog_class_init (GtkDialogClass *class)
104 GObjectClass *gobject_class;
105 GtkObjectClass *object_class;
106 GtkWidgetClass *widget_class;
107 GtkBindingSet *binding_set;
109 gobject_class = G_OBJECT_CLASS (class);
110 object_class = GTK_OBJECT_CLASS (class);
111 widget_class = GTK_WIDGET_CLASS (class);
113 parent_class = g_type_class_peek_parent (class);
115 gobject_class->set_property = gtk_dialog_set_property;
116 gobject_class->get_property = gtk_dialog_get_property;
118 widget_class->style_set = gtk_dialog_style_set;
120 class->close = gtk_dialog_close;
122 g_object_class_install_property (gobject_class,
124 g_param_spec_boolean ("has_separator",
126 _("The dialog has a separator bar above its buttons"),
130 dialog_signals[RESPONSE] =
131 gtk_signal_new ("response",
133 GTK_CLASS_TYPE (object_class),
134 GTK_SIGNAL_OFFSET (GtkDialogClass, response),
135 gtk_marshal_NONE__INT,
139 dialog_signals[CLOSE] =
140 gtk_signal_new ("close",
141 GTK_RUN_LAST | GTK_RUN_ACTION,
142 GTK_CLASS_TYPE (object_class),
143 GTK_SIGNAL_OFFSET (GtkDialogClass, close),
144 gtk_marshal_NONE__NONE,
147 gtk_widget_class_install_style_property (widget_class,
148 g_param_spec_int ("content_area_border",
149 _("Content area border"),
150 _("Width of border around the main dialog area"),
155 gtk_widget_class_install_style_property (widget_class,
156 g_param_spec_int ("button_spacing",
158 _("Spacing between buttons"),
164 gtk_widget_class_install_style_property (widget_class,
165 g_param_spec_int ("action_area_border",
166 _("Action area border"),
167 _("Width of border around the button area at the bottom of the dialog"),
173 binding_set = gtk_binding_set_by_class (class);
175 gtk_binding_entry_add_signal (binding_set, GDK_Escape, 0,
180 update_spacings (GtkDialog *dialog)
183 gint content_area_border;
185 gint action_area_border;
187 widget = GTK_WIDGET (dialog);
189 gtk_widget_style_get (widget,
190 "content_area_border",
191 &content_area_border,
194 "action_area_border",
198 gtk_container_set_border_width (GTK_CONTAINER (dialog->vbox),
199 content_area_border);
200 gtk_box_set_spacing (GTK_BOX (dialog->action_area),
202 gtk_container_set_border_width (GTK_CONTAINER (dialog->action_area),
207 gtk_dialog_init (GtkDialog *dialog)
209 /* To avoid breaking old code that prevents destroy on delete event
210 * by connecting a handler, we have to have the FIRST signal
211 * connection on the dialog.
213 gtk_signal_connect (GTK_OBJECT (dialog),
215 GTK_SIGNAL_FUNC (gtk_dialog_delete_event_handler),
218 dialog->vbox = gtk_vbox_new (FALSE, 0);
220 gtk_container_add (GTK_CONTAINER (dialog), dialog->vbox);
221 gtk_widget_show (dialog->vbox);
223 dialog->action_area = gtk_hbutton_box_new ();
225 gtk_button_box_set_layout (GTK_BUTTON_BOX (dialog->action_area),
228 gtk_box_pack_end (GTK_BOX (dialog->vbox), dialog->action_area,
230 gtk_widget_show (dialog->action_area);
232 dialog->separator = gtk_hseparator_new ();
233 gtk_box_pack_end (GTK_BOX (dialog->vbox), dialog->separator, FALSE, TRUE, 0);
234 gtk_widget_show (dialog->separator);
236 gtk_window_set_type_hint (GTK_WINDOW (dialog),
237 GDK_WINDOW_TYPE_HINT_DIALOG);
238 gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_CENTER_ON_PARENT);
243 gtk_dialog_set_property (GObject *object,
250 dialog = GTK_DIALOG (object);
254 case PROP_HAS_SEPARATOR:
255 gtk_dialog_set_has_separator (dialog, g_value_get_boolean (value));
259 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
265 gtk_dialog_get_property (GObject *object,
272 dialog = GTK_DIALOG (object);
276 case PROP_HAS_SEPARATOR:
277 g_value_set_boolean (value, dialog->separator != NULL);
281 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
287 gtk_dialog_delete_event_handler (GtkWidget *widget,
291 /* emit response signal */
292 gtk_dialog_response (GTK_DIALOG (widget), GTK_RESPONSE_DELETE_EVENT);
294 /* Do the destroy by default */
299 gtk_dialog_style_set (GtkWidget *widget,
300 GtkStyle *prev_style)
302 update_spacings (GTK_DIALOG (widget));
306 gtk_dialog_close (GtkDialog *dialog)
308 /* Synthesize delete_event to close dialog. */
313 widget = GTK_WIDGET (dialog);
315 event.type = GDK_DELETE;
316 event.window = widget->window;
317 event.send_event = TRUE;
319 g_object_ref (G_OBJECT (event.window));
321 gtk_main_do_event ((GdkEvent*)&event);
323 g_object_unref (G_OBJECT (event.window));
327 gtk_dialog_new (void)
329 return GTK_WIDGET (gtk_type_new (GTK_TYPE_DIALOG));
333 gtk_dialog_new_empty (const gchar *title,
335 GtkDialogFlags flags)
339 dialog = GTK_DIALOG (g_object_new (GTK_TYPE_DIALOG, NULL));
342 gtk_window_set_title (GTK_WINDOW (dialog), title);
345 gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
347 if (flags & GTK_DIALOG_MODAL)
348 gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
350 if (flags & GTK_DIALOG_DESTROY_WITH_PARENT)
351 gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
353 if (flags & GTK_DIALOG_NO_SEPARATOR)
354 gtk_dialog_set_has_separator (dialog, FALSE);
356 return GTK_WIDGET (dialog);
360 * gtk_dialog_new_with_buttons:
361 * @title: Title of the dialog, or NULL
362 * @parent: Transient parent of the dialog, or NULL
363 * @flags: from #GtkDialogFlags
364 * @first_button_text: stock ID or text to go in first button, or NULL
365 * @Varargs: response ID for first button, then additional buttons, ending with NULL
367 * Creates a new #GtkDialog with title @title (or NULL for the default
368 * title; see gtk_window_set_title()) and transient parent @parent (or
369 * NULL for none; see gtk_window_set_transient_for()). The @flags
370 * argument can be used to make the dialog modal (GTK_DIALOG_MODAL)
371 * and/or to have it destroyed along with its transient parent
372 * (GTK_DIALOG_DESTROY_WITH_PARENT). After @flags, button
373 * text/response ID pairs should be listed, with a NULL pointer ending
374 * the list. Button text can be either a stock ID such as
375 * #GTK_STOCK_OK, or some arbitrary text. A response ID can be
376 * any positive number, or one of the values in the #GtkResponseType
377 * enumeration. If the user clicks one of these dialog buttons,
378 * #GtkDialog will emit the "response" signal with the corresponding
379 * response ID. If a #GtkDialog receives the "delete_event" signal, it
380 * will emit "response" with a response ID of GTK_RESPONSE_DELETE_EVENT.
381 * However, destroying a dialog does not emit the "response" signal;
382 * so be careful relying on "response" when using
383 * the GTK_DIALOG_DESTROY_WITH_PARENT flag. Buttons are from left to right,
384 * so the first button in the list will be the leftmost button in the dialog.
386 * Here's a simple example:
388 * GtkWidget *dialog = gtk_dialog_new_with_buttons ("My dialog",
390 * GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
392 * GTK_RESPONSE_ACCEPT,
394 * GTK_RESPONSE_REJECT,
398 * Return value: a new #GtkDialog
401 gtk_dialog_new_with_buttons (const gchar *title,
403 GtkDialogFlags flags,
404 const gchar *first_button_text,
410 dialog = GTK_DIALOG (gtk_dialog_new_empty (title, parent, flags));
412 va_start (args, first_button_text);
414 gtk_dialog_add_buttons_valist (dialog,
420 return GTK_WIDGET (dialog);
423 typedef struct _ResponseData ResponseData;
431 get_response_data (GtkWidget *widget)
433 ResponseData *ad = gtk_object_get_data (GTK_OBJECT (widget),
434 "gtk-dialog-response-data");
438 ad = g_new (ResponseData, 1);
440 gtk_object_set_data_full (GTK_OBJECT (widget),
441 "gtk-dialog-response-data",
450 action_widget_activated (GtkWidget *widget, GtkDialog *dialog)
455 g_return_if_fail (GTK_IS_DIALOG (dialog));
457 response_id = GTK_RESPONSE_NONE;
459 ad = get_response_data (widget);
461 g_assert (ad != NULL);
463 response_id = ad->response_id;
465 gtk_dialog_response (dialog, response_id);
468 * gtk_dialog_add_action_widget:
469 * @dialog: a #GtkDialog
470 * @child: an activatable widget
471 * @response_id: response ID for @child
473 * Adds an activatable widget to the action area of a #GtkDialog,
474 * connecting a signal handler that will emit the "response" signal on
475 * the dialog when the widget is activated. The widget is appended to
476 * the end of the dialog's action area. If you want to add a
477 * non-activatable widget, simply pack it into the
478 * <literal>action_area</literal> field of the #GtkDialog struct.
482 gtk_dialog_add_action_widget (GtkDialog *dialog,
489 g_return_if_fail (GTK_IS_DIALOG (dialog));
490 g_return_if_fail (GTK_IS_WIDGET (child));
492 ad = get_response_data (child);
494 ad->response_id = response_id;
496 if (GTK_IS_BUTTON (child))
498 signal_id = g_signal_lookup ("clicked", GTK_TYPE_BUTTON);
501 signal_id = GTK_WIDGET_GET_CLASS (child)->activate_signal != 0;
505 const gchar* name = gtk_signal_name (signal_id);
507 gtk_signal_connect_while_alive (GTK_OBJECT (child),
509 GTK_SIGNAL_FUNC (action_widget_activated),
511 GTK_OBJECT (dialog));
514 g_warning ("Only 'activatable' widgets can be packed into the action area of a GtkDialog");
516 gtk_box_pack_end (GTK_BOX (dialog->action_area),
520 if (response_id == GTK_RESPONSE_HELP)
521 gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (dialog->action_area), child, TRUE);
525 * gtk_dialog_add_button:
526 * @dialog: a #GtkDialog
527 * @button_text: text of button, or stock ID
528 * @response_id: response ID for the button
530 * Adds a button with the given text (or a stock button, if @button_text is a
531 * stock ID) and sets things up so that clicking the button will emit the
532 * "response" signal with the given @response_id. The button is appended to the
533 * end of the dialog's action area. The button widget is returned, but usually
536 * Return value: the button widget that was added
539 gtk_dialog_add_button (GtkDialog *dialog,
540 const gchar *button_text,
545 g_return_val_if_fail (GTK_IS_DIALOG (dialog), NULL);
546 g_return_val_if_fail (button_text != NULL, NULL);
548 button = gtk_button_new_from_stock (button_text);
550 GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
552 gtk_widget_show (button);
554 gtk_dialog_add_action_widget (dialog,
562 gtk_dialog_add_buttons_valist(GtkDialog *dialog,
563 const gchar *first_button_text,
569 g_return_if_fail (GTK_IS_DIALOG (dialog));
571 if (first_button_text == NULL)
574 text = first_button_text;
575 response_id = va_arg (args, gint);
579 gtk_dialog_add_button (dialog, text, response_id);
581 text = va_arg (args, gchar*);
584 response_id = va_arg (args, int);
589 * gtk_dialog_add_buttons:
590 * @dialog: a #GtkDialog
591 * @first_button_text: button text or stock ID
592 * @Varargs: response ID for first button, then more text-response_id pairs
594 * Adds more buttons, same as calling gtk_dialog_add_button()
595 * repeatedly. The variable argument list should be NULL-terminated
596 * as with gtk_dialog_new_with_buttons(). Each button must have both
597 * text and response ID.
601 gtk_dialog_add_buttons (GtkDialog *dialog,
602 const gchar *first_button_text,
607 va_start (args, first_button_text);
609 gtk_dialog_add_buttons_valist (dialog,
617 find_child_by_response_id (GtkDialog *dialog,
622 GtkWidget *result = NULL:
624 children = gtk_container_get_children (GTK_CONTAINER (dialog->action_area));
627 while (tmp_list != NULL)
629 GtkWidget *widget = tmp_list->data;
630 ResponseData *rd = g_object_get_data (G_OBJECT (widget),
631 "gtk-dialog-response-data");
633 if (rd && rd->response_id == response_id)
636 gtk_widget_set_sensitive (widget, setting);
638 tmp_list = g_list_next (tmp_list);
641 g_list_free (children);
645 * gtk_dialog_set_response_sensitive:
646 * @dialog: a #GtkDialog
647 * @response_id: a response ID
648 * @setting: %TRUE for sensitive
650 * Calls gtk_widget_set_sensitive (widget, @setting) for each
651 * widget in the dialog's action area with the given @response_id.
652 * A convenient way to sensitize/desensitize dialog buttons.
656 gtk_dialog_set_response_sensitive (GtkDialog *dialog,
663 children = gtk_container_get_children (GTK_CONTAINER (dialog->action_area));
666 while (tmp_list != NULL)
668 GtkWidget *widget = tmp_list->data;
669 ResponseData *rd = g_object_get_data (G_OBJECT (widget),
670 "gtk-dialog-response-data");
672 if (rd && rd->response_id == response_id)
673 gtk_widget_set_sensitive (widget, setting);
675 tmp_list = g_list_next (tmp_list);
678 g_list_free (children);
682 * gtk_dialog_set_default_response:
683 * @dialog: a #GtkDialog
684 * @response_id: a response ID
686 * Sets the last widget in the dialog's action area with the given @response_id
687 * as the default widget for the dialog. Pressing "Enter" normally activates
688 * the default widget.
692 gtk_dialog_set_default_response (GtkDialog *dialog,
698 children = gtk_container_get_children (GTK_CONTAINER (dialog->action_area));
701 while (tmp_list != NULL)
703 GtkWidget *widget = tmp_list->data;
704 ResponseData *rd = g_object_get_data (G_OBJECT (widget),
705 "gtk-dialog-response-data");
707 if (rd && rd->response_id == response_id)
709 gtk_widget_grab_default (widget);
711 if (!GTK_WINDOW (dialog)->focus_widget)
712 gtk_widget_grab_focus (widget);
715 tmp_list = g_list_next (tmp_list);
718 g_list_free (children);
722 * gtk_dialog_set_has_separator:
723 * @dialog: a #GtkDialog
724 * @setting: %TRUE to have a separator
726 * Sets whether the dialog has a separator above the buttons.
731 gtk_dialog_set_has_separator (GtkDialog *dialog,
734 g_return_if_fail (GTK_IS_DIALOG (dialog));
736 /* this might fail if we get called before _init() somehow */
737 g_assert (dialog->vbox != NULL);
739 if (setting && dialog->separator == NULL)
741 dialog->separator = gtk_hseparator_new ();
742 gtk_box_pack_end (GTK_BOX (dialog->vbox), dialog->separator, FALSE, TRUE, 0);
744 /* The app programmer could screw this up, but, their own fault.
745 * Moves the separator just above the action area.
747 gtk_box_reorder_child (GTK_BOX (dialog->vbox), dialog->separator, 1);
748 gtk_widget_show (dialog->separator);
750 else if (!setting && dialog->separator != NULL)
752 gtk_widget_destroy (dialog->separator);
753 dialog->separator = NULL;
756 g_object_notify (G_OBJECT (dialog), "has_separator");
760 * gtk_dialog_get_has_separator:
761 * @dialog: a #GtkDialog
763 * Accessor for whether the dialog has a separator.
765 * Return value: %TRUE if the dialog has a separator
768 gtk_dialog_get_has_separator (GtkDialog *dialog)
770 g_return_val_if_fail (GTK_IS_DIALOG (dialog), FALSE);
772 return dialog->separator != NULL;
776 * gtk_dialog_response:
777 * @dialog: a #GtkDialog
778 * @response_id: response ID
780 * Emits the "response" signal with the given response ID. Used to
781 * indicate that the user has responded to the dialog in some way;
782 * typically either you or gtk_dialog_run() will be monitoring the
783 * "response" signal and take appropriate action.
786 gtk_dialog_response (GtkDialog *dialog,
789 g_return_if_fail (GTK_IS_DIALOG (dialog));
791 gtk_signal_emit (GTK_OBJECT (dialog),
792 dialog_signals[RESPONSE],
804 shutdown_loop (RunInfo *ri)
806 if (g_main_loop_is_running (ri->loop))
807 g_main_loop_quit (ri->loop);
811 run_unmap_handler (GtkDialog *dialog, gpointer data)
819 run_response_handler (GtkDialog *dialog,
827 ri->response_id = response_id;
833 run_delete_handler (GtkDialog *dialog,
841 return TRUE; /* Do not destroy */
846 * @dialog: a #GtkDialog
848 * Blocks in a recursive main loop until the @dialog either emits the
849 * response signal, or is destroyed. If the dialog is destroyed,
850 * gtk_dialog_run() returns GTK_RESPONSE_NONE. Otherwise, it returns
851 * the response ID from the "response" signal emission. Before
852 * entering the recursive main loop, gtk_dialog_run() calls
853 * gtk_widget_show() on the dialog for you. Note that you still
854 * need to show any children of the dialog yourself.
856 * During gtk_dialog_run(), the default behavior of "delete_event" is
857 * disabled; if the dialog receives "delete_event", it will not be
858 * destroyed as windows usually are, and gtk_dialog_run() will return
859 * GTK_RESPONSE_DELETE_EVENT. Also, during gtk_dialog_run() the dialog will be
860 * modal. You can force gtk_dialog_run() to return at any time by
861 * calling gtk_dialog_response() to emit the "response"
862 * signal. Destroying the dialog during gtk_dialog_run() is a very bad
863 * idea, because your post-run code won't know whether the dialog was
866 * After gtk_dialog_run() returns, you are responsible for hiding or
867 * destroying the dialog if you wish to do so.
869 * Typical usage of this function might be:
871 * gint result = gtk_dialog_run (GTK_DIALOG (dialog));
874 * case GTK_RESPONSE_ACCEPT:
875 * do_application_specific_something ();
878 * do_nothing_since_dialog_was_cancelled ();
881 * gtk_widget_destroy (dialog);
884 * Return value: response ID
887 gtk_dialog_run (GtkDialog *dialog)
889 RunInfo ri = { NULL, GTK_RESPONSE_NONE, NULL };
891 guint response_handler;
892 guint destroy_handler;
893 guint delete_handler;
895 g_return_val_if_fail (GTK_IS_DIALOG (dialog), -1);
897 gtk_object_ref (GTK_OBJECT (dialog));
899 if (!GTK_WIDGET_VISIBLE (dialog))
900 gtk_widget_show (GTK_WIDGET (dialog));
902 was_modal = GTK_WINDOW (dialog)->modal;
904 gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
907 gtk_signal_connect (GTK_OBJECT (dialog),
909 GTK_SIGNAL_FUNC (run_response_handler),
913 gtk_signal_connect (GTK_OBJECT (dialog),
915 GTK_SIGNAL_FUNC (run_unmap_handler),
919 gtk_signal_connect (GTK_OBJECT (dialog),
921 GTK_SIGNAL_FUNC (run_delete_handler),
924 ri.loop = g_main_new (FALSE);
926 GDK_THREADS_LEAVE ();
927 g_main_loop_run (ri.loop);
928 GDK_THREADS_ENTER ();
930 g_main_loop_unref (ri.loop);
934 if (!GTK_OBJECT_DESTROYED (dialog))
937 gtk_window_set_modal (GTK_WINDOW(dialog), FALSE);
939 gtk_signal_disconnect (GTK_OBJECT (dialog), destroy_handler);
940 gtk_signal_disconnect (GTK_OBJECT (dialog), response_handler);
941 gtk_signal_disconnect (GTK_OBJECT (dialog), delete_handler);
944 gtk_object_unref (GTK_OBJECT (dialog));
946 return ri.response_id;