1c48db0c |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: cancel.c,v 1.1 1998/12/11 09:44:21 mdw Exp $ |
4 | * |
5 | * Handle Escape keypresses, directing them to cancel buttons |
6 | * |
7 | * (c) 1998 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of the mgLib GTK utilities library. |
13 | * |
14 | * mgLib is free software; you can redistribute it and/or modify |
15 | * it under the terms of the GNU General Public License as published by |
16 | * the Free Software Foundation; either version 2 of the License, or |
17 | * (at your option) any later version. |
18 | * |
19 | * mgLib is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
22 | * GNU General Public License for more details. |
23 | * |
24 | * You should have received a copy of the GNU General Public License |
25 | * along with mgLib; if not, write to the Free Software Foundation, |
26 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
27 | */ |
28 | |
29 | /*----- Revision history --------------------------------------------------* |
30 | * |
31 | * $Log: cancel.c,v $ |
32 | * Revision 1.1 1998/12/11 09:44:21 mdw |
33 | * Initial version. |
34 | * |
35 | */ |
36 | |
37 | /*----- Header files ------------------------------------------------------*/ |
38 | |
39 | #include <gtk/gtk.h> |
40 | #include <gdk/gdkkeysyms.h> |
41 | |
42 | #include "cancel.h" |
43 | |
44 | /*----- Main code ---------------------------------------------------------*/ |
45 | |
46 | /* --- @cancel@ --- * |
47 | * |
48 | * Arguments: @GtkWindow *win@ = window in which this is happening |
49 | * @GtkWidget *w@ = widget to activate, or null |
50 | * |
51 | * Returns: --- |
52 | * |
53 | * Use: Sets up @win@ so that a press of `escape' will activate |
54 | * @w@ or destroy @win@. |
55 | */ |
56 | |
57 | static gboolean cancel_press(GtkWidget *w, GdkEventKey *ev, gpointer *p) |
58 | { |
59 | if (ev->keyval == GDK_Escape) { |
60 | if (p) |
61 | gtk_widget_activate(GTK_WIDGET(p)); |
62 | else |
63 | gtk_object_destroy(GTK_OBJECT(w)); |
64 | return (1); |
65 | } |
66 | return (0); |
67 | } |
68 | |
69 | void cancel(GtkWindow *win, GtkWidget *w) |
70 | { |
71 | gtk_signal_connect(GTK_OBJECT(win), "key_press_event", |
72 | GTK_SIGNAL_FUNC(cancel_press), w); |
73 | } |
74 | |
75 | /*----- That's all, folks -------------------------------------------------*/ |