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