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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Not Zed <notzed@lostzed.mmc.com.au>
* Jeffrey Stedfast <fejj@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gtk/gtk.h>
#include "e-filter-color.h"
G_DEFINE_TYPE (
EFilterColor,
e_filter_color,
E_TYPE_FILTER_ELEMENT)
static void
set_color (GtkColorButton *color_button,
EFilterColor *fc)
{
gtk_color_button_get_color (color_button, &fc->color);
}
static gint
filter_color_eq (EFilterElement *element_a,
EFilterElement *element_b)
{
EFilterColor *color_a = E_FILTER_COLOR (element_a);
EFilterColor *color_b = E_FILTER_COLOR (element_b);
return E_FILTER_ELEMENT_CLASS (e_filter_color_parent_class)->
eq (element_a, element_b) &&
gdk_color_equal (&color_a->color, &color_b->color);
}
static xmlNodePtr
filter_color_xml_encode (EFilterElement *element)
{
EFilterColor *fc = E_FILTER_COLOR (element);
xmlNodePtr value;
gchar spec[16];
g_snprintf (
spec, sizeof (spec), "#%04x%04x%04x",
fc->color.red, fc->color.green, fc->color.blue);
value = xmlNewNode (NULL, (xmlChar *)"value");
xmlSetProp (value, (xmlChar *)"type", (xmlChar *)"colour");
xmlSetProp (value, (xmlChar *)"name", (xmlChar *) element->name);
xmlSetProp (value, (xmlChar *)"spec", (xmlChar *) spec);
return value;
}
static gint
filter_color_xml_decode (EFilterElement *element,
xmlNodePtr node)
{
EFilterColor *fc = E_FILTER_COLOR (element);
xmlChar *prop;
xmlFree (element->name);
element->name = (gchar *) xmlGetProp (node, (xmlChar *)"name");
prop = xmlGetProp (node, (xmlChar *)"spec");
if (prop != NULL) {
gdk_color_parse ((gchar *) prop, &fc->color);
xmlFree (prop);
} else {
/* try reading the old RGB properties */
prop = xmlGetProp (node, (xmlChar *)"red");
sscanf ((gchar *) prop, "%" G_GINT16_MODIFIER "x", &fc->color.red);
xmlFree (prop);
prop = xmlGetProp (node, (xmlChar *)"green");
sscanf ((gchar *) prop, "%" G_GINT16_MODIFIER "x", &fc->color.green);
xmlFree (prop);
prop = xmlGetProp (node, (xmlChar *)"blue");
sscanf ((gchar *) prop, "%" G_GINT16_MODIFIER "x", &fc->color.blue);
xmlFree (prop);
}
return 0;
}
static GtkWidget *
filter_color_get_widget (EFilterElement *element)
{
EFilterColor *fc = E_FILTER_COLOR (element);
GtkWidget *color_button;
color_button = gtk_color_button_new_with_color (&fc->color);
gtk_widget_show (color_button);
g_signal_connect (
color_button, "color_set",
G_CALLBACK (set_color), element);
return color_button;
}
static void
filter_color_format_sexp (EFilterElement *element,
GString *out)
{
EFilterColor *fc = E_FILTER_COLOR (element);
gchar spec[16];
g_snprintf (
spec, sizeof (spec), "#%04x%04x%04x",
fc->color.red, fc->color.green, fc->color.blue);
camel_sexp_encode_string (out, spec);
}
static void
e_filter_color_class_init (EFilterColorClass *class)
{
EFilterElementClass *filter_element_class;
filter_element_class = E_FILTER_ELEMENT_CLASS (class);
filter_element_class->eq = filter_color_eq;
filter_element_class->xml_encode = filter_color_xml_encode;
filter_element_class->xml_decode = filter_color_xml_decode;
filter_element_class->get_widget = filter_color_get_widget;
filter_element_class->format_sexp = filter_color_format_sexp;
}
static void
e_filter_color_init (EFilterColor *filter)
{
}
/**
* filter_color_new:
*
* Create a new EFilterColor object.
*
* Return value: A new #EFilterColor object.
**/
EFilterColor *
e_filter_color_new (void)
{
return g_object_new (E_TYPE_FILTER_COLOR, NULL);
}
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