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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2000-2002 Ximian Inc.
*
* Authors: Not Zed <notzed@lostzed.mmc.com.au>
* Jeffrey Stedfast <fejj@ximian.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gtk/gtksignal.h>
#include <libgnomeui/gnome-color-picker.h>
#include "e-util/e-sexp.h"
#include "filter-colour.h"
#define d(x)
static int colour_eq (FilterElement *fe, FilterElement *cm);
static void xml_create (FilterElement *fe, xmlNodePtr node);
static xmlNodePtr xml_encode (FilterElement *fe);
static int xml_decode (FilterElement *fe, xmlNodePtr node);
static GtkWidget *get_widget (FilterElement *fe);
static void build_code (FilterElement *fe, GString *out, struct _FilterPart *ff);
static void format_sexp (FilterElement *, GString *);
static void filter_colour_class_init (FilterColourClass *klass);
static void filter_colour_init (FilterColour *fc);
static void filter_colour_finalise (GObject *obj);
static FilterElementClass *parent_class;
GType
filter_colour_get_type (void)
{
static GType type = 0;
if (!type) {
static const GTypeInfo info = {
sizeof (FilterColourClass),
NULL, /* base_class_init */
NULL, /* base_class_finalize */
(GClassInitFunc) filter_colour_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (FilterColour),
0, /* n_preallocs */
(GInstanceInitFunc) filter_colour_init,
};
type = g_type_register_static (FILTER_TYPE_ELEMENT, "FilterColour", &info, 0);
}
return type;
}
static void
filter_colour_class_init (FilterColourClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
FilterElementClass *fe_class = FILTER_ELEMENT_CLASS (klass);
parent_class = g_type_class_ref (FILTER_TYPE_ELEMENT);
object_class->finalize = filter_colour_finalise;
/* override methods */
fe_class->eq = colour_eq;
fe_class->xml_create = xml_create;
fe_class->xml_encode = xml_encode;
fe_class->xml_decode = xml_decode;
fe_class->get_widget = get_widget;
fe_class->build_code = build_code;
fe_class->format_sexp = format_sexp;
}
static void
filter_colour_init (FilterColour *fc)
{
;
}
static void
filter_colour_finalise (GObject *obj)
{
G_OBJECT_CLASS (parent_class)->finalize (obj);
}
/**
* filter_colour_new:
*
* Create a new FilterColour object.
*
* Return value: A new #FilterColour object.
**/
FilterColour *
filter_colour_new (void)
{
return (FilterColour *) g_object_new (FILTER_TYPE_COLOUR, NULL, NULL);
}
static int
colour_eq (FilterElement *fe, FilterElement *cm)
{
FilterColour *fc = (FilterColour *)fe, *cc = (FilterColour *)cm;
return FILTER_ELEMENT_CLASS (parent_class)->eq (fe, cm)
&& fc->r == cc->r
&& fc->g == cc->g
&& fc->b == cc->b
&& fc->a == cc->a;
}
static void
xml_create (FilterElement *fe, xmlNodePtr node)
{
/* parent implementation */
FILTER_ELEMENT_CLASS (parent_class)->xml_create (fe, node);
}
static xmlNodePtr
xml_encode (FilterElement *fe)
{
xmlNodePtr value;
FilterColour *fc = (FilterColour *)fe;
char hex[16];
d(printf("Encoding colour as xml\n"));
value = xmlNewNode(NULL, "value");
xmlSetProp(value, "name", fe->name);
xmlSetProp(value, "type", "colour");
sprintf(hex, "%04x", fc->r);
xmlSetProp(value, "red", hex);
sprintf(hex, "%04x", fc->g);
xmlSetProp(value, "green", hex);
sprintf(hex, "%04x", fc->b);
xmlSetProp(value, "blue", hex);
sprintf(hex, "%04x", fc->a);
xmlSetProp(value, "alpha", hex);
return value;
}
static guint16
get_value (xmlNodePtr node, char *name)
{
unsigned int ret;
char *value;
value = xmlGetProp(node, name);
sscanf(value, "%04x", &ret);
xmlFree(value);
return ret;
}
static int
xml_decode (FilterElement *fe, xmlNodePtr node)
{
FilterColour *fc = (FilterColour *)fe;
xmlFree (fe->name);
fe->name = xmlGetProp(node, "name");
fc->r = get_value(node, "red");
fc->g = get_value(node, "green");
fc->b = get_value(node, "blue");
fc->a = get_value(node, "alpha");
return 0;
}
static void
set_colour (GnomeColorPicker *cp, guint r, guint g, guint b, guint a, FilterColour *fc)
{
fc->r = r;
fc->g = g;
fc->b = b;
fc->a = a;
}
static GtkWidget *
get_widget (FilterElement *fe)
{
FilterColour *fc = (FilterColour *) fe;
GnomeColorPicker *cp;
cp = (GnomeColorPicker *) gnome_color_picker_new ();
gnome_color_picker_set_i16 (cp, fc->r, fc->g, fc->b, fc->a);
gtk_widget_show ((GtkWidget *) cp);
g_signal_connect (cp, "color_set", G_CALLBACK (set_colour), fe);
return (GtkWidget *) cp;
}
static void
build_code (FilterElement *fe, GString *out, struct _FilterPart *ff)
{
return;
}
static void
format_sexp (FilterElement *fe, GString *out)
{
FilterColour *fc = (FilterColour *)fe;
char *str;
str = g_strdup_printf ("#%02x%02x%02x", (fc->r >> 8) & 0xff, (fc->g >> 8) & 0xff, (fc->b >> 8) & 0xff);
e_sexp_encode_string (out, str);
g_free (str);
}
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