path: root/lib/ephy-prefs-utils.c

/*
 *  Copyright (C) 2000 Marco Pesenti Gritti
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "ephy-prefs-utils.h"
#include "ephy-gui.h"
#include "eel-gconf-extensions.h"

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <gtk/gtkmenu.h>
#include <gtk/gtkmenushell.h>
#include <gtk/gtkspinbutton.h>
#include <gtk/gtktogglebutton.h>
#include <gtk/gtkoptionmenu.h>
#include <gtk/gtklist.h>
#include <libgnomeui/gnome-color-picker.h>

void
ephy_pu_set_config_from_editable (GtkWidget *editable, const char *config_name)
{
    GConfValue *gcvalue = eel_gconf_get_value (config_name);
    GConfValueType value_type;
    char *value;
    gint ivalue;
    gfloat fvalue;

    if (gcvalue == NULL) {
        /* ugly hack around what appears to be a gconf bug
         * it returns a NULL GConfValue for a valid string pref
         * which is "" by default */
        value_type = GCONF_VALUE_STRING;
    } else {
        value_type = gcvalue->type;
        gconf_value_free (gcvalue);
    }

    /* get all the text into a new string */
    value = gtk_editable_get_chars (GTK_EDITABLE(editable), 0, -1);

    switch (value_type) {
    case GCONF_VALUE_STRING:
        eel_gconf_set_string (config_name,
                      value);
        break;
    /* FIXME : handle possible errors in the input for int and float */
    case GCONF_VALUE_INT:
        ivalue = atoi (value);
        eel_gconf_set_integer (config_name, ivalue);
        break;
    case GCONF_VALUE_FLOAT:
        fvalue = strtod (value, (char**)NULL);
        eel_gconf_set_float (config_name, fvalue);
        break;
    default:
        break;
    }

    /* free the allocated strings */
    g_free (value);
}

void
ephy_pu_set_config_from_optionmenu (GtkWidget *optionmenu, const char *config_name)
{
    int index = ephy_pu_get_int_from_optionmenu (optionmenu);

    eel_gconf_set_integer (config_name, index);
}

void
ephy_pu_set_config_from_radiobuttongroup (GtkWidget *radiobutton, const char *config_name)
{
    gint index;

    /* get value from radio button group */
    index = ephy_gui_gtk_radio_button_get (GTK_RADIO_BUTTON (radiobutton));

    eel_gconf_set_integer (config_name, index);
}

void
ephy_pu_set_config_from_spin_button (GtkWidget *spinbutton, const char *config_name)
{
    gdouble value;
    gboolean use_int;

    /* read the value as an integer */
    value = gtk_spin_button_get_value (GTK_SPIN_BUTTON(spinbutton));

    use_int = (gtk_spin_button_get_digits (GTK_SPIN_BUTTON(spinbutton)) == 0);

    if (use_int)
    {
        eel_gconf_set_integer (config_name, value);
    }
    else
    {
        eel_gconf_set_float (config_name, value);
    }
}

void
ephy_pu_set_config_from_togglebutton (GtkWidget *togglebutton, const char *config_name)
{
    gboolean value;

    /* read the value */
    value = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(togglebutton));

    eel_gconf_set_boolean (config_name, value);
}

void
ephy_pu_set_config_from_color (GtkWidget *colorpicker, const char *config_name)
{
    guint8 r, g, b, a;
    gchar color_string[9];

    /* get color values from color picker */
    gnome_color_picker_get_i8 (GNOME_COLOR_PICKER (colorpicker),
                   &r, &g, &b, &a);

    /* write into string (bounded size) */
    snprintf (color_string, 9, "#%02X%02X%02X", r, g, b);

    /* set the configuration value */
    eel_gconf_set_string (config_name, color_string);
}

void
ephy_pu_set_editable_from_config (GtkWidget *editable, const char *config_name)
{
    GConfValue *gcvalue = eel_gconf_get_value (config_name);
    GConfValueType value_type;
    gchar *value;

    if (gcvalue == NULL)
    {
        /* ugly hack around what appears to be a gconf bug
         * it returns a NULL GConfValue for a valid string pref
         * which is "" by default */
        value_type = GCONF_VALUE_STRING;
    }
    else
    {
        value_type = gcvalue->type;
        gconf_value_free (gcvalue);
    }

    switch (value_type)
    {
    case GCONF_VALUE_STRING:
        value = eel_gconf_get_string (config_name);
        break;
    case GCONF_VALUE_INT:
        value = g_strdup_printf ("%d",eel_gconf_get_integer (config_name));
        break;
    case GCONF_VALUE_FLOAT:
        value = g_strdup_printf ("%.2f",eel_gconf_get_float (config_name));
        break;
    default:
        value = NULL;
    }

    /* set this string value in the widget */
    if (value)
    {
        gtk_entry_set_text(GTK_ENTRY(editable), value);
    }

    /* free the allocated string */
    g_free (value);
}

void
ephy_pu_set_optionmenu_from_config (GtkWidget *optionmenu, const char *config_name)
{
    gint index;

    /* get the current value from the configuration space */
    index = eel_gconf_get_integer (config_name);

    /* set this option value in the widget */
    gtk_option_menu_set_history (GTK_OPTION_MENU (optionmenu), index);
}

void
ephy_pu_set_radiobuttongroup_from_config (GtkWidget *radiobutton, const char *config_name)
{
    gint index;

        /* get the current value from the configuration space */
        index = eel_gconf_get_integer (config_name);

    /* set it (finds the group for us) */
    ephy_gui_gtk_radio_button_set (GTK_RADIO_BUTTON (radiobutton), index);
}

void
ephy_pu_set_spin_button_from_config (GtkWidget *spinbutton, const char *config_name)
{
    gdouble value;
    gint use_int;

    use_int = (gtk_spin_button_get_digits (GTK_SPIN_BUTTON(spinbutton)) == 0);

    if (use_int)
    {
        /* get the current value from the configuration space */
        value = eel_gconf_get_integer (config_name);
    }
    else
    {
        /* get the current value from the configuration space */
        value = eel_gconf_get_float (config_name);
    }

    /* set this option value in the widget */
    gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinbutton), value);
}

void
ephy_pu_set_togglebutton_from_config (GtkWidget *togglebutton, const char *config_name)
{
    gboolean value;

    /* get the current value from the configuration space */
    value = eel_gconf_get_boolean (config_name);

    /* set this option value in the widget */
    gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (togglebutton), value);
}

void
ephy_pu_set_color_from_config (GtkWidget *colorpicker, const char *config_name)
{
    gchar *color_string;
    guint r, g, b;

    /* get the string from config */
    color_string = eel_gconf_get_string (config_name);

    if (color_string)
    {
        /* parse it and setup the color picker */
        sscanf (color_string, "#%2X%2X%2X", &r, &g, &b);
        gnome_color_picker_set_i8 (GNOME_COLOR_PICKER (colorpicker),
                       r, g, b, 0);
        /* free the string */
        g_free (color_string);
    }
}

int
ephy_pu_get_int_from_optionmenu (GtkWidget *optionmenu)
{
        GtkWidget *menu;
        GList *list;
        gpointer item;
        gint index;

        /* extract the selection */
        menu = GTK_OPTION_MENU(optionmenu)->menu;
        list = GTK_MENU_SHELL(menu)->children;
        item = gtk_menu_get_active (GTK_MENU(menu));
        index = g_list_index (list, item);

        return index;
}