/*
    Instru2Light - Illumine un instrument de musique en temps réel
    Copyright (C) 2012-2013 Ludovic Pouzenc <lpouzenc@gmail.com>    

    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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
*/
#include "win_main.h"
#include "gtkvumeter.h"

#define FUNC_COUNT 4

GtkBuilder *builder=NULL;
GtkWidget *vumeter_sound, *vumeter_r, *vumeter_g, *vumeter_b, *vumeter_h, *vumeter_s, *vumeter_v;

void add_custom_widgets();

// Applicative actions
void switch_to_func(gint func_id) {
	printf("switch_to_func(%i)\n", func_id);
}

// GUI events
void on_win_main_destroy(GtkObject *object, gpointer user_data) {
	gtk_main_quit();
}

void on_mi_about_activate(GtkObject *object, gpointer user_data) {
	GtkDialog *dialog;

	g_return_if_fail(builder!=NULL);

	dialog = GTK_DIALOG(gtk_builder_get_object(builder, "win_about"));
	g_return_if_fail(dialog!=NULL);

	g_signal_connect_swapped (dialog, "response", G_CALLBACK(gtk_widget_destroy), dialog);
	gtk_widget_show_all(GTK_WIDGET(dialog));
}

void on_action1_activate(GtkObject *object, gpointer user_data) { switch_to_func(0); }
void on_action2_activate(GtkObject *object, gpointer user_data) { switch_to_func(1); }
void on_action3_activate(GtkObject *object, gpointer user_data) { switch_to_func(2); }
void on_action4_activate(GtkObject *object, gpointer user_data) { switch_to_func(3); }


void on_radbut_func_realize(GtkObject *object, gpointer user_data) {
	// This makes the radio buttons look like a Toogle Button (that's a fucking trick)
	gtk_toggle_button_set_mode(GTK_TOGGLE_BUTTON(object),FALSE);
}

GtkWidget *win_main_build() {
	GtkWidget *window;
	
	builder = gtk_builder_new();
	gtk_builder_add_from_file(builder, "gui.glade", NULL);
	
	window = GTK_WIDGET(gtk_builder_get_object(builder, "win_main"));
	gtk_builder_connect_signals(builder, NULL);

	add_custom_widgets();
	//FIXME : to be done at the right place
	//g_object_unref(G_OBJECT(builder));
	return window;
}

void add_custom_widgets() {
	GtkContainer *c;
	GdkColor f_gradient_red[2] = {{0,65535,0,0},{0,32767,0,0}};
	GdkColor b_gradient_red[2] = {{0,49151,0,0},{0,24575,0,0}};
	GdkColor f_gradient_green[2] = {{0,0,65535,0},{0,0,32767,0}};
	GdkColor b_gradient_green[2] = {{0,0,49151,0},{0,0,24575,0}};
	GdkColor f_gradient_blue[2] = {{0,0,0,65535},{0,0,0,32767}};
	GdkColor b_gradient_blue[2] = {{0,0,0,49151},{0,0,0,24575}};
	GdkColor f_gradient_hue[7] = {{0,65535,0,0},{0,65535,0,65535},{0,0,0,65535},{0,0,65535,65535},{0,0,65535,0},{0,65535,65535,0},{0,65535,0,0}};
	GdkColor b_gradient_hue[7] = {{0,49151,0,0},{0,49151,0,49151},{0,0,0,49151},{0,0,49151,49151},{0,0,49151,0},{0,49151,49151,0},{0,49151,0,0}};
	GdkColor f_gradient_value[2] = {{0,65535,0,0},{0,16384,0,0}};
	GdkColor b_gradient_value[2] = {{0,49151,0,0},{0,0,0,0}};
	GdkColor f_gradient_saturation[2] = {{0,32767,0,0},{0,32767,32767,32767}};
	GdkColor b_gradient_saturation[2] = {{0,24575,0,0},{0,24575,24575,24575}};

	vumeter_sound = gtk_vu_meter_new(TRUE);
	gtk_vu_meter_set_min_max(GTK_VU_METER(vumeter_sound), -50, 0);
	c=GTK_CONTAINER(gtk_builder_get_object(builder, "a_in_sound"));
	gtk_container_add(c,vumeter_sound);

	vumeter_h = gtk_vu_meter_new (TRUE);
	gtk_vu_meter_set_min_max(GTK_VU_METER(vumeter_h), 0, 255);
	gtk_vu_meter_set_gradient(GTK_VU_METER(vumeter_h), 7, f_gradient_hue, 7, b_gradient_hue);
	vumeter_s = gtk_vu_meter_new (TRUE);
	gtk_vu_meter_set_min_max(GTK_VU_METER(vumeter_s), 0, 255);
	gtk_vu_meter_set_gradient(GTK_VU_METER(vumeter_s), 2, f_gradient_value, 2, b_gradient_value);
	vumeter_v = gtk_vu_meter_new (TRUE);
	gtk_vu_meter_set_min_max(GTK_VU_METER(vumeter_v), 0, 255);
	gtk_vu_meter_set_gradient(GTK_VU_METER(vumeter_v), 2, f_gradient_saturation, 2, b_gradient_saturation);
	c=GTK_CONTAINER(gtk_builder_get_object(builder, "hb_out_hsv"));
	gtk_container_add(c,vumeter_h);
	gtk_container_add(c,vumeter_s);
	gtk_container_add(c,vumeter_v);

	vumeter_r = gtk_vu_meter_new (TRUE);
	gtk_vu_meter_set_min_max(GTK_VU_METER(vumeter_r), 0, 255);
	gtk_vu_meter_set_gradient(GTK_VU_METER(vumeter_r), 2, f_gradient_red, 2, b_gradient_red);
	vumeter_g = gtk_vu_meter_new (TRUE);
	gtk_vu_meter_set_min_max(GTK_VU_METER(vumeter_g), 0, 255);
	gtk_vu_meter_set_gradient(GTK_VU_METER(vumeter_g), 2, f_gradient_green, 2, b_gradient_green);
	vumeter_b = gtk_vu_meter_new (TRUE);
	gtk_vu_meter_set_min_max(GTK_VU_METER(vumeter_b), 0, 255);
	gtk_vu_meter_set_gradient(GTK_VU_METER(vumeter_b), 2, f_gradient_blue, 2, b_gradient_blue);
	c=GTK_CONTAINER(gtk_builder_get_object(builder, "hb_out_rgb"));
	gtk_container_add(c,vumeter_r);
	gtk_container_add(c,vumeter_g);
	gtk_container_add(c,vumeter_b);
}

gboolean win_main_update_vumeters(gpointer vals) {
	gtk_vu_meter_set_level(GTK_VU_METER(vumeter_sound), ((gint*)vals)[0]);
	gtk_vu_meter_set_level(GTK_VU_METER(vumeter_h), ((gint*)vals)[1]);
	gtk_vu_meter_set_level(GTK_VU_METER(vumeter_s), ((gint*)vals)[2]);
	gtk_vu_meter_set_level(GTK_VU_METER(vumeter_v), ((gint*)vals)[3]);
	gtk_vu_meter_set_level(GTK_VU_METER(vumeter_r), ((gint*)vals)[4]);
	gtk_vu_meter_set_level(GTK_VU_METER(vumeter_g), ((gint*)vals)[5]);
	gtk_vu_meter_set_level(GTK_VU_METER(vumeter_b), ((gint*)vals)[6]);
	return TRUE;
}