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);
242 gtk_dialog_set_property (GObject *object,
249 dialog = GTK_DIALOG (object);
253 case PROP_HAS_SEPARATOR:
254 gtk_dialog_set_has_separator (dialog, g_value_get_boolean (value));
258 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
264 gtk_dialog_get_property (GObject *object,
271 dialog = GTK_DIALOG (object);
275 case PROP_HAS_SEPARATOR:
276 g_value_set_boolean (value, dialog->separator != NULL);
280 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
286 gtk_dialog_delete_event_handler (GtkWidget *widget,
290 /* emit response signal */
291 gtk_dialog_response (GTK_DIALOG (widget), GTK_RESPONSE_DELETE_EVENT);
293 /* Do the destroy by default */
298 gtk_dialog_style_set (GtkWidget *widget,
299 GtkStyle *prev_style)
301 update_spacings (GTK_DIALOG (widget));
305 gtk_dialog_close (GtkDialog *dialog)
307 /* Synthesize delete_event to close dialog. */
312 widget = GTK_WIDGET (dialog);
314 event.type = GDK_DELETE;
315 event.window = widget->window;
316 event.send_event = TRUE;
318 g_object_ref (G_OBJECT (event.window));
320 gtk_main_do_event ((GdkEvent*)&event);
322 g_object_unref (G_OBJECT (event.window));
326 gtk_dialog_new (void)
328 return GTK_WIDGET (gtk_type_new (GTK_TYPE_DIALOG));
332 gtk_dialog_new_empty (const gchar *title,
334 GtkDialogFlags flags)
338 dialog = GTK_DIALOG (g_object_new (GTK_TYPE_DIALOG, NULL));
341 gtk_window_set_title (GTK_WINDOW (dialog), title);
344 gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);
346 if (flags & GTK_DIALOG_MODAL)
347 gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
349 if (flags & GTK_DIALOG_DESTROY_WITH_PARENT)
350 gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
352 if (flags & GTK_DIALOG_NO_SEPARATOR)
353 gtk_dialog_set_has_separator (dialog, FALSE);
355 return GTK_WIDGET (dialog);
359 * gtk_dialog_new_with_buttons:
360 * @title: Title of the dialog, or NULL
361 * @parent: Transient parent of the dialog, or NULL
362 * @flags: from #GtkDialogFlags
363 * @first_button_text: stock ID or text to go in first button, or NULL
364 * @Varargs: response ID for first button, then additional buttons, ending with NULL
366 * Creates a new #GtkDialog with title @title (or NULL for the default
367 * title; see gtk_window_set_title()) and transient parent @parent (or
368 * NULL for none; see gtk_window_set_transient_for()). The @flags
369 * argument can be used to make the dialog modal (GTK_DIALOG_MODAL)
370 * and/or to have it destroyed along with its transient parent
371 * (GTK_DIALOG_DESTROY_WITH_PARENT). After @flags, button
372 * text/response ID pairs should be listed, with a NULL pointer ending
373 * the list. Button text can be either a stock ID such as
374 * #GTK_STOCK_OK, or some arbitrary text. A response ID can be
375 * any positive number, or one of the values in the #GtkResponseType
376 * enumeration. If the user clicks one of these dialog buttons,
377 * #GtkDialog will emit the "response" signal with the corresponding
378 * response ID. If a #GtkDialog receives the "delete_event" signal, it
379 * will emit "response" with a response ID of GTK_RESPONSE_DELETE_EVENT.
380 * However, destroying a dialog does not emit the "response" signal;
381 * so be careful relying on "response" when using
382 * the GTK_DIALOG_DESTROY_WITH_PARENT flag. Buttons are from left to right,
383 * so the first button in the list will be the leftmost button in the dialog.
385 * Here's a simple example:
387 * GtkWidget *dialog = gtk_dialog_new_with_buttons ("My dialog",
389 * GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
391 * GTK_RESPONSE_ACCEPT,
393 * GTK_RESPONSE_REJECT,
397 * Return value: a new #GtkDialog
400 gtk_dialog_new_with_buttons (const gchar *title,
402 GtkDialogFlags flags,
403 const gchar *first_button_text,
409 dialog = GTK_DIALOG (gtk_dialog_new_empty (title, parent, flags));
411 va_start (args, first_button_text);
413 gtk_dialog_add_buttons_valist (dialog,
419 return GTK_WIDGET (dialog);
422 typedef struct _ResponseData ResponseData;
430 get_response_data (GtkWidget *widget)
432 ResponseData *ad = gtk_object_get_data (GTK_OBJECT (widget),
433 "gtk-dialog-response-data");
437 ad = g_new (ResponseData, 1);
439 gtk_object_set_data_full (GTK_OBJECT (widget),
440 "gtk-dialog-response-data",
449 action_widget_activated (GtkWidget *widget, GtkDialog *dialog)
454 g_return_if_fail (GTK_IS_DIALOG (dialog));
456 response_id = GTK_RESPONSE_NONE;
458 ad = get_response_data (widget);
460 g_assert (ad != NULL);
462 response_id = ad->response_id;
464 gtk_dialog_response (dialog, response_id);
467 * gtk_dialog_add_action_widget:
468 * @dialog: a #GtkDialog
469 * @child: an activatable widget
470 * @response_id: response ID for @child
472 * Adds an activatable widget to the action area of a #GtkDialog,
473 * connecting a signal handler that will emit the "response" signal on
474 * the dialog when the widget is activated. The widget is appended to
475 * the end of the dialog's action area. If you want to add a
476 * non-activatable widget, simply pack it into the
477 * <literal>action_area</literal> field of the #GtkDialog struct.
481 gtk_dialog_add_action_widget (GtkDialog *dialog,
488 g_return_if_fail (GTK_IS_DIALOG (dialog));
489 g_return_if_fail (GTK_IS_WIDGET (child));
491 ad = get_response_data (child);
493 ad->response_id = response_id;
495 if (GTK_IS_BUTTON (child))
497 signal_id = g_signal_lookup ("clicked", GTK_TYPE_BUTTON);
500 signal_id = GTK_WIDGET_GET_CLASS (child)->activate_signal != 0;
504 const gchar* name = gtk_signal_name (signal_id);
506 gtk_signal_connect_while_alive (GTK_OBJECT (child),
508 GTK_SIGNAL_FUNC (action_widget_activated),
510 GTK_OBJECT (dialog));
513 g_warning ("Only 'activatable' widgets can be packed into the action area of a GtkDialog");
515 gtk_box_pack_end (GTK_BOX (dialog->action_area),
519 if (response_id == GTK_RESPONSE_HELP)
520 gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (dialog->action_area), child, TRUE);
524 * gtk_dialog_add_button:
525 * @dialog: a #GtkDialog
526 * @button_text: text of button, or stock ID
527 * @response_id: response ID for the button
529 * Adds a button with the given text (or a stock button, if @button_text is a
530 * stock ID) and sets things up so that clicking the button will emit the
531 * "response" signal with the given @response_id. The button is appended to the
532 * end of the dialog's action area. The button widget is returned, but usually
535 * Return value: the button widget that was added
538 gtk_dialog_add_button (GtkDialog *dialog,
539 const gchar *button_text,
544 g_return_val_if_fail (GTK_IS_DIALOG (dialog), NULL);
545 g_return_val_if_fail (button_text != NULL, NULL);
547 button = gtk_button_new_from_stock (button_text);
549 GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
551 gtk_widget_show (button);
553 gtk_dialog_add_action_widget (dialog,
561 gtk_dialog_add_buttons_valist(GtkDialog *dialog,
562 const gchar *first_button_text,
568 g_return_if_fail (GTK_IS_DIALOG (dialog));
570 if (first_button_text == NULL)
573 text = first_button_text;
574 response_id = va_arg (args, gint);
578 gtk_dialog_add_button (dialog, text, response_id);
580 text = va_arg (args, gchar*);
583 response_id = va_arg (args, int);
588 * gtk_dialog_add_buttons:
589 * @dialog: a #GtkDialog
590 * @first_button_text: button text or stock ID
591 * @Varargs: response ID for first button, then more text-response_id pairs
593 * Adds more buttons, same as calling gtk_dialog_add_button()
594 * repeatedly. The variable argument list should be NULL-terminated
595 * as with gtk_dialog_new_with_buttons(). Each button must have both
596 * text and response ID.
600 gtk_dialog_add_buttons (GtkDialog *dialog,
601 const gchar *first_button_text,
606 va_start (args, first_button_text);
608 gtk_dialog_add_buttons_valist (dialog,
616 * gtk_dialog_set_response_sensitive:
617 * @dialog: a #GtkDialog
618 * @response_id: a response ID
619 * @setting: %TRUE for sensitive
621 * Calls gtk_widget_set_sensitive (widget, @setting) for each
622 * widget in the dialog's action area with the given @response_id.
623 * A convenient way to sensitize/desensitize dialog buttons.
627 gtk_dialog_set_response_sensitive (GtkDialog *dialog,
634 children = gtk_container_children (GTK_CONTAINER (dialog));
637 while (tmp_list != NULL)
639 GtkWidget *widget = tmp_list->data;
640 ResponseData *rd = g_object_get_data (G_OBJECT (widget),
641 "gtk-dialog-response-data");
643 if (rd && rd->response_id == response_id)
644 gtk_widget_set_sensitive (widget, setting);
646 tmp_list = g_list_next (tmp_list);
649 g_list_free (children);
653 * gtk_dialog_set_default_response:
654 * @dialog: a #GtkDialog
655 * @response_id: a response ID
657 * Sets the last widget in the dialog's action area with the given @response_id
658 * as the default widget for the dialog. Pressing "Enter" normally activates
659 * the default widget.
663 gtk_dialog_set_default_response (GtkDialog *dialog,
669 children = gtk_container_children (GTK_CONTAINER (dialog->action_area));
672 while (tmp_list != NULL)
674 GtkWidget *widget = tmp_list->data;
675 ResponseData *rd = g_object_get_data (G_OBJECT (widget),
676 "gtk-dialog-response-data");
678 if (rd && rd->response_id == response_id)
680 gtk_widget_grab_default (widget);
682 if (!GTK_WINDOW (dialog)->focus_widget)
683 gtk_widget_grab_focus (widget);
686 tmp_list = g_list_next (tmp_list);
689 g_list_free (children);
693 gtk_dialog_set_has_separator (GtkDialog *dialog,
696 g_return_if_fail (GTK_IS_DIALOG (dialog));
698 /* this might fail if we get called before _init() somehow */
699 g_assert (dialog->vbox != NULL);
701 if (setting && dialog->separator == NULL)
703 dialog->separator = gtk_hseparator_new ();
704 gtk_box_pack_end (GTK_BOX (dialog->vbox), dialog->separator, FALSE, TRUE, 0);
706 /* The app programmer could screw this up, but, their own fault.
707 * Moves the separator just above the action area.
709 gtk_box_reorder_child (GTK_BOX (dialog->vbox), dialog->separator, 1);
710 gtk_widget_show (dialog->separator);
712 else if (!setting && dialog->separator != NULL)
714 gtk_widget_destroy (dialog->separator);
715 dialog->separator = NULL;
718 g_object_notify (G_OBJECT (dialog), "has_separator");
722 gtk_dialog_get_has_separator (GtkDialog *dialog)
724 g_return_val_if_fail (GTK_IS_DIALOG (dialog), FALSE);
726 return dialog->separator != NULL;
730 * gtk_dialog_response:
731 * @dialog: a #GtkDialog
732 * @response_id: response ID
734 * Emits the "response" signal with the given response ID. Used to
735 * indicate that the user has responded to the dialog in some way;
736 * typically either you or gtk_dialog_run() will be monitoring the
737 * "response" signal and take appropriate action.
740 gtk_dialog_response (GtkDialog *dialog,
743 g_return_if_fail (GTK_IS_DIALOG (dialog));
745 gtk_signal_emit (GTK_OBJECT (dialog),
746 dialog_signals[RESPONSE],
758 shutdown_loop (RunInfo *ri)
760 if (g_main_loop_is_running (ri->loop))
761 g_main_loop_quit (ri->loop);
765 run_unmap_handler (GtkDialog *dialog, gpointer data)
773 run_response_handler (GtkDialog *dialog,
781 ri->response_id = response_id;
787 run_delete_handler (GtkDialog *dialog,
795 return TRUE; /* Do not destroy */
800 * @dialog: a #GtkDialog
802 * Blocks in a recursive main loop until the @dialog either emits the
803 * response signal, or is destroyed. If the dialog is destroyed,
804 * gtk_dialog_run() returns GTK_RESPONSE_NONE. Otherwise, it returns
805 * the response ID from the "response" signal emission. Before
806 * entering the recursive main loop, gtk_dialog_run() calls
807 * gtk_widget_show() on the dialog for you. Note that you still
808 * need to show any children of the dialog yourself.
810 * During gtk_dialog_run(), the default behavior of "delete_event" is
811 * disabled; if the dialog receives "delete_event", it will not be
812 * destroyed as windows usually are, and gtk_dialog_run() will return
813 * GTK_RESPONSE_DELETE_EVENT. Also, during gtk_dialog_run() the dialog will be
814 * modal. You can force gtk_dialog_run() to return at any time by
815 * calling gtk_dialog_response() to emit the "response"
816 * signal. Destroying the dialog during gtk_dialog_run() is a very bad
817 * idea, because your post-run code won't know whether the dialog was
820 * After gtk_dialog_run() returns, you are responsible for hiding or
821 * destroying the dialog if you wish to do so.
823 * Typical usage of this function might be:
825 * gint result = gtk_dialog_run (GTK_DIALOG (dialog));
828 * case GTK_RESPONSE_ACCEPT:
829 * do_application_specific_something ();
832 * do_nothing_since_dialog_was_cancelled ();
835 * gtk_widget_destroy (dialog);
838 * Return value: response ID
841 gtk_dialog_run (GtkDialog *dialog)
843 RunInfo ri = { NULL, GTK_RESPONSE_NONE, NULL };
845 guint response_handler;
846 guint destroy_handler;
847 guint delete_handler;
849 g_return_val_if_fail (GTK_IS_DIALOG (dialog), -1);
851 gtk_object_ref (GTK_OBJECT (dialog));
853 if (!GTK_WIDGET_VISIBLE (dialog))
854 gtk_widget_show (GTK_WIDGET (dialog));
856 was_modal = GTK_WINDOW (dialog)->modal;
858 gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
861 gtk_signal_connect (GTK_OBJECT (dialog),
863 GTK_SIGNAL_FUNC (run_response_handler),
867 gtk_signal_connect (GTK_OBJECT (dialog),
869 GTK_SIGNAL_FUNC (run_unmap_handler),
873 gtk_signal_connect (GTK_OBJECT (dialog),
875 GTK_SIGNAL_FUNC (run_delete_handler),
878 ri.loop = g_main_new (FALSE);
880 GDK_THREADS_LEAVE ();
881 g_main_loop_run (ri.loop);
882 GDK_THREADS_ENTER ();
884 g_main_loop_unref (ri.loop);
888 if (!GTK_OBJECT_DESTROYED (dialog))
891 gtk_window_set_modal (GTK_WINDOW(dialog), FALSE);
893 gtk_signal_disconnect (GTK_OBJECT (dialog), destroy_handler);
894 gtk_signal_disconnect (GTK_OBJECT (dialog), response_handler);
895 gtk_signal_disconnect (GTK_OBJECT (dialog), delete_handler);
898 gtk_object_unref (GTK_OBJECT (dialog));
900 return ri.response_id;