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1 | /* -*-c-*- |
| 2 | * |
| 8e774312 |
3 | * $Id: cancel.c,v 1.2 1999/03/25 23:36:07 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 |
| 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 $ |
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32 | * Revision 1.2 1999/03/25 23:36:07 mdw |
| 33 | * Compile to nothing in absence of GTK, for the benefit of parent packages |
| 34 | * which contain non-GTK-dependent parts. |
| 35 | * |
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36 | * Revision 1.1 1998/12/11 09:44:21 mdw |
| 37 | * Initial version. |
| 38 | * |
| 39 | */ |
| 40 | |
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41 | #ifdef HAVE_GTK |
| 42 | |
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43 | /*----- Header files ------------------------------------------------------*/ |
| 44 | |
| 45 | #include <gtk/gtk.h> |
| 46 | #include <gdk/gdkkeysyms.h> |
| 47 | |
| 48 | #include "cancel.h" |
| 49 | |
| 50 | /*----- Main code ---------------------------------------------------------*/ |
| 51 | |
| 52 | /* --- @cancel@ --- * |
| 53 | * |
| 54 | * Arguments: @GtkWindow *win@ = window in which this is happening |
| 55 | * @GtkWidget *w@ = widget to activate, or null |
| 56 | * |
| 57 | * Returns: --- |
| 58 | * |
| 59 | * Use: Sets up @win@ so that a press of `escape' will activate |
| 60 | * @w@ or destroy @win@. |
| 61 | */ |
| 62 | |
| 63 | static gboolean cancel_press(GtkWidget *w, GdkEventKey *ev, gpointer *p) |
| 64 | { |
| 65 | if (ev->keyval == GDK_Escape) { |
| 66 | if (p) |
| 67 | gtk_widget_activate(GTK_WIDGET(p)); |
| 68 | else |
| 69 | gtk_object_destroy(GTK_OBJECT(w)); |
| 70 | return (1); |
| 71 | } |
| 72 | return (0); |
| 73 | } |
| 74 | |
| 75 | void cancel(GtkWindow *win, GtkWidget *w) |
| 76 | { |
| 77 | gtk_signal_connect(GTK_OBJECT(win), "key_press_event", |
| 78 | GTK_SIGNAL_FUNC(cancel_press), w); |
| 79 | } |
| 80 | |
| 81 | /*----- That's all, folks -------------------------------------------------*/ |
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82 | |
| 83 | #else |
| 84 | int mgLib_cancel = 0; |
| 85 | #endif |
~mdw / mgLib / blame