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1 | /* -*-c-*- |
| 2 | * |
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3 | * $Id: cancel.c,v 1.6 2004/04/08 01:36:14 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 | |
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30 | /*----- Header files ------------------------------------------------------*/ |
| 31 | |
| 32 | #include <gtk/gtk.h> |
| 33 | #include <gdk/gdkkeysyms.h> |
| 34 | |
| 35 | #include "cancel.h" |
| 36 | |
| 37 | /*----- Main code ---------------------------------------------------------*/ |
| 38 | |
| 39 | /* --- @cancel@ --- * |
| 40 | * |
| 41 | * Arguments: @GtkWindow *win@ = window in which this is happening |
| 42 | * @GtkWidget *w@ = widget to activate, or null |
| 43 | * |
| 44 | * Returns: --- |
| 45 | * |
| 46 | * Use: Sets up @win@ so that a press of `escape' will activate |
| 47 | * @w@ or destroy @win@. |
| 48 | */ |
| 49 | |
| 50 | static gboolean cancel_press(GtkWidget *w, GdkEventKey *ev, gpointer *p) |
| 51 | { |
| 52 | if (ev->keyval == GDK_Escape) { |
| 53 | if (p) |
| 54 | gtk_widget_activate(GTK_WIDGET(p)); |
| 55 | else |
| 56 | gtk_object_destroy(GTK_OBJECT(w)); |
| 57 | return (1); |
| 58 | } |
| 59 | return (0); |
| 60 | } |
| 61 | |
| 62 | void cancel(GtkWindow *win, GtkWidget *w) |
| 63 | { |
| 64 | gtk_signal_connect(GTK_OBJECT(win), "key_press_event", |
| 65 | GTK_SIGNAL_FUNC(cancel_press), w); |
| 66 | } |
| 67 | |
| 68 | /*----- That's all, folks -------------------------------------------------*/ |
~mdw / mgLib / blame