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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: cancel.c,v 1.4 1999/05/06 19:51:47 mdw Exp $ |
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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 |
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15 | * it under the terms of the GNU Library General Public License as |
16 | * published by the Free Software Foundation; either version 2 of the |
17 | * License, or (at your option) any later version. |
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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 |
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22 | * GNU Library General Public License for more details. |
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23 | * |
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24 | * You should have received a copy of the GNU Library General Public |
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25 | * License along with mgLib; if not, write to the Free |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
27 | * MA 02111-1307, USA. |
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28 | */ |
29 | |
30 | /*----- Revision history --------------------------------------------------* |
31 | * |
32 | * $Log: cancel.c,v $ |
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33 | * Revision 1.4 1999/05/06 19:51:47 mdw |
34 | * Reformatted the LGPL notice a little bit. |
35 | * |
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36 | * Revision 1.3 1999/05/05 18:52:45 mdw |
37 | * Change licensing conditions to LGPL. |
38 | * |
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39 | * Revision 1.2 1999/03/25 23:36:07 mdw |
40 | * Compile to nothing in absence of GTK, for the benefit of parent packages |
41 | * which contain non-GTK-dependent parts. |
42 | * |
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43 | * Revision 1.1 1998/12/11 09:44:21 mdw |
44 | * Initial version. |
45 | * |
46 | */ |
47 | |
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48 | #ifdef HAVE_GTK |
49 | |
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50 | /*----- Header files ------------------------------------------------------*/ |
51 | |
52 | #include <gtk/gtk.h> |
53 | #include <gdk/gdkkeysyms.h> |
54 | |
55 | #include "cancel.h" |
56 | |
57 | /*----- Main code ---------------------------------------------------------*/ |
58 | |
59 | /* --- @cancel@ --- * |
60 | * |
61 | * Arguments: @GtkWindow *win@ = window in which this is happening |
62 | * @GtkWidget *w@ = widget to activate, or null |
63 | * |
64 | * Returns: --- |
65 | * |
66 | * Use: Sets up @win@ so that a press of `escape' will activate |
67 | * @w@ or destroy @win@. |
68 | */ |
69 | |
70 | static gboolean cancel_press(GtkWidget *w, GdkEventKey *ev, gpointer *p) |
71 | { |
72 | if (ev->keyval == GDK_Escape) { |
73 | if (p) |
74 | gtk_widget_activate(GTK_WIDGET(p)); |
75 | else |
76 | gtk_object_destroy(GTK_OBJECT(w)); |
77 | return (1); |
78 | } |
79 | return (0); |
80 | } |
81 | |
82 | void cancel(GtkWindow *win, GtkWidget *w) |
83 | { |
84 | gtk_signal_connect(GTK_OBJECT(win), "key_press_event", |
85 | GTK_SIGNAL_FUNC(cancel_press), w); |
86 | } |
87 | |
88 | /*----- That's all, folks -------------------------------------------------*/ |
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89 | |
90 | #else |
91 | int mgLib_cancel = 0; |
92 | #endif |