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/*
* Copyright (C) 2000 Ximian Inc.
*
* Authors: Not Zed <notzed@lostzed.mmc.com.au>
*
* 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 *class);
static void filter_colour_init (FilterColour *gspaper);
static void filter_colour_finalise (GtkObject *obj);
#define _PRIVATE(x) (((FilterColour *)(x))->priv)
struct _FilterColourPrivate {
};
static FilterElementClass *parent_class;
enum {
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
guint
filter_colour_get_type (void)
{
static guint type = 0;
if (!type) {
GtkTypeInfo type_info = {
"FilterColour",
sizeof(FilterColour),
sizeof(FilterColourClass),
(GtkClassInitFunc)filter_colour_class_init,
(GtkObjectInitFunc)filter_colour_init,
(GtkArgSetFunc)NULL,
(GtkArgGetFunc)NULL
};
type = gtk_type_unique(filter_element_get_type (), &type_info);
}
return type;
}
static void
filter_colour_class_init (FilterColourClass *class)
{
GtkObjectClass *object_class;
FilterElementClass *filter_element = (FilterElementClass *)class;
object_class = (GtkObjectClass *)class;
parent_class = gtk_type_class(filter_element_get_type ());
object_class->finalize = filter_colour_finalise;
/* override methods */
filter_element->eq = colour_eq;
filter_element->xml_create = xml_create;
filter_element->xml_encode = xml_encode;
filter_element->xml_decode = xml_decode;
filter_element->get_widget = get_widget;
filter_element->build_code = build_code;
filter_element->format_sexp = format_sexp;
/* signals */
gtk_object_class_add_signals(object_class, signals, LAST_SIGNAL);
}
static void
filter_colour_init (FilterColour *o)
{
o->priv = g_malloc0(sizeof(*o->priv));
}
static void
filter_colour_finalise(GtkObject *obj)
{
FilterColour *o = (FilterColour *)obj;
o = o;
((GtkObjectClass *)(parent_class))->finalize(obj);
}
/**
* filter_colour_new:
*
* Create a new FilterColour object.
*
* Return value: A new #FilterColour object.
**/
FilterColour *
filter_colour_new(void)
{
FilterColour *o = (FilterColour *)gtk_type_new(filter_colour_get_type ());
return o;
}
static int
colour_eq(FilterElement *fe, FilterElement *cm)
{
FilterColour *fc = (FilterColour *)fe, *cc = (FilterColour *)cm;
return ((FilterElementClass *)(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)
{
/*FilterColour *fc = (FilterColour *)fe;*/
/* parent implementation */
((FilterElementClass *)(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);
gtk_signal_connect((GtkObject *)cp, "color_set", 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)
{
char *str;
FilterColour *fc = (FilterColour *)fe;
str =g_strdup_printf("rgb:%04x/%04x/%04x", fc->r, fc->g, fc->b);
e_sexp_encode_string(out, str);
g_free(str);
}
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