zenity/src/scale.c

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/*
* scale.c
*
* Copyright (C) 2002 Sun Microsystems, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* Authors: Lucas Rocha <lucasr@gnome.org>
*/
#include "config.h"
#include <glade/glade.h>
#include "zenity.h"
#include "util.h"
static GtkWidget *scale;
static void zenity_scale_value_changed (GtkWidget *widget, gpointer data);
static void zenity_scale_dialog_response (GtkWidget *widget, int response, gpointer data);
void
zenity_scale (ZenityData *data, ZenityScaleData *scale_data)
{
GladeXML *glade_dialog;
GtkWidget *dialog;
GtkWidget *text;
glade_dialog = zenity_util_load_glade_file ("zenity_scale_dialog");
dialog = glade_xml_get_widget (glade_dialog, "zenity_scale_dialog");
scale = glade_xml_get_widget (glade_dialog, "zenity_scale_hscale");
text = glade_xml_get_widget (glade_dialog, "zenity_scale_text");
g_signal_connect (G_OBJECT (dialog), "response",
G_CALLBACK (zenity_scale_dialog_response), data);
if (glade_dialog == NULL) {
data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR);
return;
}
if (scale_data->min_value >= scale_data->max_value) {
g_printerr (_("Maximum value must be greater than minimum value.\n"));
data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR);
return;
}
if (scale_data->value < scale_data->min_value ||
scale_data->value > scale_data->max_value) {
g_printerr (_("Value out of range.\n"));
data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR);
return;
}
glade_xml_signal_autoconnect (glade_dialog);
if (glade_dialog)
g_object_unref (glade_dialog);
if (data->dialog_title)
gtk_window_set_title (GTK_WINDOW (dialog), data->dialog_title);
zenity_util_set_window_icon (dialog, data->window_icon, ZENITY_IMAGE_FULLPATH ("zenity-scale.png"));
if (data->width > -1 || data->height > -1)
gtk_window_set_default_size (GTK_WINDOW (dialog), data->width, data->height);
if (scale_data->dialog_text)
gtk_label_set_markup (GTK_LABEL (text), g_strcompress (scale_data->dialog_text));
gtk_range_set_value (GTK_RANGE (scale), scale_data->value);
gtk_range_set_range (GTK_RANGE (scale), scale_data->min_value, scale_data->max_value);
gtk_range_set_increments (GTK_RANGE (scale), scale_data->step, 0);
if (scale_data->print_partial)
g_signal_connect (G_OBJECT (scale), "value-changed",
G_CALLBACK (zenity_scale_value_changed), data);
zenity_util_show_dialog (dialog);
gtk_main ();
}
static void
zenity_scale_value_changed (GtkWidget *widget, gpointer data)
{
g_print ("%.0f\n", gtk_range_get_value (GTK_RANGE (widget)));
}
static void
zenity_scale_dialog_response (GtkWidget *widget, int response, gpointer data)
{
ZenityData *zen_data = data;
switch (response) {
case GTK_RESPONSE_OK:
zen_data->exit_code = zenity_util_return_exit_code (ZENITY_OK);
g_print ("%.0f\n", gtk_range_get_value (GTK_RANGE (scale)));
break;
case GTK_RESPONSE_CANCEL:
zen_data->exit_code = zenity_util_return_exit_code (ZENITY_CANCEL);
break;
default:
zen_data->exit_code = zenity_util_return_exit_code (ZENITY_ESC);
break;
}
gtk_main_quit ();
}