#include <ncurses.h>
#include <menu.h>
#include <stdlib.h>

int curs_init();
void color_init();
int curs_end(ITEM* item);

int main() {

	curs_init();

	color_init(); /* If the program doesn't exit after this function call, it is 
			assumed that the terminal supports colors */
	

	init_pair(1,COLOR_BLACK,COLOR_WHITE);



	mousemask(BUTTON1_CLICKED | BUTTON1_DOUBLE_CLICKED,NULL);
	MEVENT event;
	int c;
	ITEM* cur_item;

	ITEM* items[] = {
			new_item("File",""),
			new_item("Edit",""),
			new_item("Compile",""),
			new_item("Help",""),
			new_item("Quit",""),
			NULL
			};

	MENU* menu = new_menu(items);

	set_menu_win(menu,stdscr);

	int maxx;
	int maxy;

	getmaxyx(stdscr,maxy,maxx);

	WINDOW* subwindow = derwin(stdscr,1,maxx-1,0,0);

	wbkgd(subwindow,COLOR_PAIR(1));

	keypad(subwindow,TRUE);

	set_menu_sub(menu,subwindow);

	set_menu_format(menu,1,maxx);
	set_menu_mark(menu,"");

	post_menu(menu);
	refresh();

	while (true) {
	
		c = getch();

		switch(c) {
			case KEY_LEFT:
				menu_driver(menu,REQ_LEFT_ITEM);
				break;
			case KEY_RIGHT:
				menu_driver(menu,REQ_RIGHT_ITEM);
				break;
			case KEY_MOUSE:
				if (getmouse(&event) == OK) {
					if (event.bstate & BUTTON1_DOUBLE_CLICKED) {
						cur_item = current_item(menu);
						curs_end(cur_item);
						return 0;
					} else {
						ungetmouse(&event);
						menu_driver(menu,c);
						break;
					}
				}
				break;

			case 10:
				cur_item = current_item(menu);
				curs_end(cur_item);
				return 0;
				
				

		}

	}

	endwin();	
}


int curs_init() {
	initscr();
	cbreak();
	noecho();
	curs_set(0);
	keypad(stdscr,TRUE);
	return 0;
}


void color_init() {

	if (has_colors() == FALSE) {
		endwin();
		printf("Your terminal does not support colors.\n");
		exit(1);
	}

	start_color();

}


int curs_end(ITEM* item) {
	endwin();
	printf("You selected %s\n",item_name(item));
	return 0;
}