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/*
* effectwidget_tempchange.c - provides a list of available effects.
*
* Copyright (c) 2007 by Alastair M. Robinson
* Distributed under the terms of the GNU General Public License -
* see the file named "COPYING" for more details.
*
*/
#include <iostream>
#include <string.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include "../support/debug.h"
#include "ppeffect.h"
#include "ppeffect_desaturate.h"
#include "ppeffect_temperature.h"
#include "effectlist.h"
#include "effectwidget_tempchange.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gettext.h"
#define _(x) gettext(x)
#define N_(x) gettext_noop(x)
using namespace std;
enum {
CHANGED_SIGNAL,
LAST_SIGNAL
};
static guint effectwidget_tempchange_signals[LAST_SIGNAL] = { 0 };
static void effectwidget_tempchange_class_init (EffectWidget_TempChangeClass *klass);
static void effectwidget_tempchange_init (EffectWidget_TempChange *sel);
static void value_changed(GtkWidget *wid,gpointer obj)
{
Debug[TRACE] << "Tempchange got changed signal from slider - emitting signal" << endl;
g_signal_emit(G_OBJECT (obj),effectwidget_tempchange_signals[CHANGED_SIGNAL], 0);
}
static gchar* format_value_callback (GtkScale *scale,gdouble value,gpointer userdata)
{
int t=int(value);
return(g_strdup_printf (_("%d degrees K"),t*50));
}
GtkWidget*
effectwidget_tempchange_new ()
{
EffectWidget_TempChange *c=EFFECTWIDGET_TEMPCHANGE(g_object_new (effectwidget_tempchange_get_type (), NULL));
c->slider=gtk_hscale_new_with_range(-40,40,1);
gtk_box_pack_start(GTK_BOX(c),c->slider,TRUE,TRUE,0);
g_signal_connect(GTK_WIDGET(c->slider),"format-value",G_CALLBACK(format_value_callback),c);
g_signal_connect(GTK_WIDGET(c->slider),"value-changed",G_CALLBACK(value_changed),c);
gtk_widget_show(c->slider);
return(GTK_WIDGET(c));
}
GType
effectwidget_tempchange_get_type (void)
{
static GType stpuic_type = 0;
if (!stpuic_type)
{
static const GTypeInfo effectwidget_tempchange_info =
{
sizeof (EffectWidget_TempChangeClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) effectwidget_tempchange_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (EffectWidget_TempChange),
0,
(GInstanceInitFunc) effectwidget_tempchange_init,
};
stpuic_type = g_type_register_static (GTK_TYPE_VBOX, "EffectWidget_TempChange", &effectwidget_tempchange_info, GTypeFlags(0));
}
return stpuic_type;
}
//static void *parent_class=NULL;
static void
effectwidget_tempchange_class_init (EffectWidget_TempChangeClass *cls)
{
// GtkObjectClass *object_class=(GtkObjectClass *)cls;
// parent_class = gtk_type_class (gtk_widget_get_type ());
effectwidget_tempchange_signals[CHANGED_SIGNAL] =
g_signal_new ("changed",
G_TYPE_FROM_CLASS (cls),
GSignalFlags(G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION),
G_STRUCT_OFFSET (EffectWidget_TempChangeClass, changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
}
static void effectwidget_tempchange_init (EffectWidget_TempChange *c)
{
c->slider=NULL;
}
int effectwidget_tempchange_get(EffectWidget_TempChange *tc)
{
int result=int(gtk_range_get_value(GTK_RANGE(tc->slider)));
return(result*50);
}
void effectwidget_tempchange_set(EffectWidget_TempChange *tc,int temp)
{
gtk_range_set_value(GTK_RANGE(tc->slider),temp/50);
}
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