![Guy Harris](/assets/img/avatar_default.png)
for the dialog window as an argument (as various dialog creators in GTK+ do), not oblige every caller of it to cut-and-paste a "gtk_window_set_title()" call after it. svn path=/trunk/; revision=2345
165 lines
5.1 KiB
C
165 lines
5.1 KiB
C
/* dlg_utils.c
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* Utilities to use when constructing dialogs
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*
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* $Id: dlg_utils.c,v 1.5 2000/08/23 06:55:37 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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* Copyright 1998 Gerald Combs
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <gtk/gtk.h>
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#include <gdk/gdkkeysyms.h>
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#include "gtkglobals.h"
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static void
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dlg_activate (GtkWidget *widget, gpointer ok_button);
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static gint
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dlg_key_press (GtkWidget *widget, GdkEventKey *event, gpointer cancel_button);
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/* Create a dialog box window that belongs to Ethereal's main window. */
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GtkWidget *
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dlg_window_new(const gchar *title)
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{
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GtkWidget *win;
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win = gtk_window_new(GTK_WINDOW_DIALOG);
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gtk_window_set_transient_for(GTK_WINDOW(win), GTK_WINDOW(top_level));
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gtk_window_set_title(GTK_WINDOW(win), title);
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return win;
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}
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/* Set the "activate" signal for a widget to call a routine to
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activate the "OK" button for a dialog box.
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XXX - there should be a way to specify that a GtkEntry widget
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shouldn't itself handle the Return key, but should let it be
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passed on to the parent, so that you don't have to do this
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by hand for every GtkEntry widget in a dialog box, but, alas,
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there isn't. (Does this problem exist for other widgets?
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I.e., are there any others that seize the Return key? */
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void
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dlg_set_activate(GtkWidget *widget, GtkWidget *ok_button)
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{
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gtk_signal_connect(GTK_OBJECT(widget), "activate",
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GTK_SIGNAL_FUNC(dlg_activate), ok_button);
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}
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static void
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dlg_activate (GtkWidget *widget, gpointer ok_button)
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{
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gtk_widget_activate(GTK_WIDGET(ok_button));
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}
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/* Set the "key_press_event" signal for a top-level dialog window to
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call a routine to activate the "Cancel" button for a dialog box if
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the key being pressed is the <Esc> key.
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XXX - there should be a GTK+ widget that'll do that for you, and
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let you specify a "Cancel" button. It should also not impose
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a requirement that there be a separator in the dialog box, as
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the GtkDialog widget does; the visual convention that there's
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such a separator between the rest of the dialog boxes and buttons
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such as "OK" and "Cancel" is, for better or worse, not universal
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(not even in GTK+ - look at the GtkFileSelection dialog!). */
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void
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dlg_set_cancel(GtkWidget *widget, GtkWidget *cancel_button)
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{
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gtk_signal_connect(GTK_OBJECT(widget), "key_press_event",
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GTK_SIGNAL_FUNC(dlg_key_press), cancel_button);
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}
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static gint
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dlg_key_press (GtkWidget *widget, GdkEventKey *event, gpointer cancel_button)
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{
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g_return_val_if_fail (widget != NULL, FALSE);
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g_return_val_if_fail (event != NULL, FALSE);
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if (event->keyval == GDK_Escape) {
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gtk_widget_activate(GTK_WIDGET(cancel_button));
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return TRUE;
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}
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return FALSE;
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}
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/* Sigh. GTK+ appears not to acknowledge that it should be possible
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to attach mnemonics to anything other than menu items; provide
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routines to create radio and check buttons with labels that
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include mnemonics. */
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typedef struct {
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GtkWidget *button;
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GtkAccelGroup *accel_group;
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} fix_label_args_t;
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static void
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dlg_fix_label_callback(GtkWidget *label_widget, gpointer data)
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{
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fix_label_args_t *args = data;
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gchar *label;
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guint accel_key;
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gtk_label_get(GTK_LABEL(label_widget), &label);
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accel_key = gtk_label_parse_uline(GTK_LABEL(label_widget), label);
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if (accel_key != GDK_VoidSymbol) {
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/* Yes, we have a mnemonic. */
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gtk_widget_add_accelerator(args->button, "clicked", args->accel_group,
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accel_key, 0, GTK_ACCEL_LOCKED);
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gtk_widget_add_accelerator(args->button, "clicked", args->accel_group,
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accel_key, GDK_MOD1_MASK, GTK_ACCEL_LOCKED);
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}
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}
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static void
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dlg_fix_button_label(GtkWidget *button, GtkAccelGroup *accel_group)
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{
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fix_label_args_t args;
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args.button = button;
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args.accel_group = accel_group;
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gtk_container_foreach(GTK_CONTAINER(button), dlg_fix_label_callback, &args);
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}
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GtkWidget *
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dlg_radio_button_new_with_label_with_mnemonic(GSList *group,
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const gchar *label, GtkAccelGroup *accel_group)
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{
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GtkWidget *radio_button;
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radio_button = gtk_radio_button_new_with_label (group, label);
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dlg_fix_button_label(radio_button, accel_group);
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return radio_button;
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}
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GtkWidget *
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dlg_check_button_new_with_label_with_mnemonic(const gchar *label,
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GtkAccelGroup *accel_group)
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{
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GtkWidget *check_button;
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check_button = gtk_check_button_new_with_label (label);
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dlg_fix_button_label(check_button, accel_group);
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return check_button;
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}
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