#include <gcu/gtkperiodic.h>
#include <gcu/chemistry.h>
#include <glib.h>
#include <gtk/gtk.h>
#include <stdio.h>

/*!\file
A simple example of the use of the GtkPeriodic widget.
*/

/*!
The function called  when the selected element changes. It just prints the atomic
number of the selected element to the standard output.
*/
void on_changed (GtkPeriodic* periodic, guint Z, gpointer data)
{
	printf ("Selected element:%d\n", Z);
}

/*!
The function called  when the "None" button. It Just sets the "color-scheme" property
of the GtkPeridic widget to GTK_PERIODIC_COLOR_NONE if the button is active.
*/
void on_color_scheme_none (GtkToggleButton* btn, GtkWidget* periodic)
{
	if (gtk_toggle_button_get_active (btn))
		g_object_set (G_OBJECT (periodic), "color-style", GTK_PERIODIC_COLOR_NONE, NULL);
}

/*!
The function called  when the "Default" button. It Just sets the "color-scheme" property
of the GtkPeridic widget to GTK_PERIODIC_COLOR_DEFAULT if the button is active.
*/
void on_color_scheme_default (GtkToggleButton* btn, GtkWidget* periodic)
{
	if (gtk_toggle_button_get_active (btn))
		g_object_set (G_OBJECT (periodic), "color-style", GTK_PERIODIC_COLOR_DEFAULT, NULL);
}

/*!
The \a main function of the test program. It builds the window containing the GtkPeriodic
widget, adds some buttons and installs the appropriate signals.
*/
int main (int argc, char *argv[])
{
	GtkWidget *window;
	GtkWidget *periodic;
	GtkVBox* vbox;
	GtkHBox* hbox;
	GtkLabel* label;
	GtkRadioButton *btn;
	GSList* btn_group;
	
	gtk_init (&argc, &argv);
	
	window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
	gtk_window_set_title (GTK_WINDOW (window), "GtkPeriodic test");
	g_signal_connect (G_OBJECT (window), "destroy",
		 G_CALLBACK (gtk_main_quit),
		 NULL);

	g_object_set (G_OBJECT (window), "allow-shrink", FALSE, NULL);
	
	periodic = gtk_periodic_new ();
	vbox = (GtkVBox*) gtk_vbox_new (FALSE, 0);
	hbox = (GtkHBox*) gtk_hbox_new (FALSE, 0);
	label = (GtkLabel*) gtk_label_new ("Color scheme:");
	gtk_box_pack_start_defaults (GTK_BOX (hbox), GTK_WIDGET (label));
	btn = (GtkRadioButton*) gtk_radio_button_new_with_label (NULL, "None");
	g_signal_connect (G_OBJECT (btn), "toggled", (GCallback) on_color_scheme_none, (gpointer) periodic);
	gtk_box_pack_start_defaults (GTK_BOX (hbox), GTK_WIDGET (btn));
	btn_group = gtk_radio_button_get_group (btn);
	btn = (GtkRadioButton*) gtk_radio_button_new_with_label (btn_group, "Default");
	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (btn), TRUE);
	g_signal_connect (G_OBJECT (btn), "toggled", (GCallback) on_color_scheme_default, (gpointer) periodic);
	gtk_box_pack_end_defaults (GTK_BOX (hbox), GTK_WIDGET (btn));
	gtk_box_pack_start_defaults (GTK_BOX (vbox), GTK_WIDGET (hbox));
	gtk_box_pack_start_defaults (GTK_BOX (vbox), gtk_hseparator_new ());

	g_object_set (G_OBJECT (periodic), "color-style", GTK_PERIODIC_COLOR_DEFAULT, NULL);
	g_signal_connect (G_OBJECT (periodic), "element_changed", (GCallback) on_changed, NULL);
	gtk_box_pack_end_defaults (GTK_BOX (vbox), GTK_WIDGET (GTK_PERIODIC (periodic)));
	gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (vbox));
	gtk_widget_show_all (window);

	gtk_main ();
	
	return 0;
}