/*
 * example-gridmenu.c -- show how to use grid menu
 *
 * Copyright (c) 2020 David Demelier <markand@malikania.fr>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <core/clock.h>
#include <core/core.h>
#include <core/event.h>
#include <core/painter.h>
#include <core/panic.h>
#include <core/sys.h>
#include <core/trace.h>
#include <core/util.h>
#include <core/window.h>

#include <ui/align.h>
#include <ui/gridmenu.h>
#include <ui/label.h>
#include <ui/theme.h>
#include <ui/ui.h>

#define W       (1280)
#define H       (720)

static void
init(void)
{
	if (!core_init() || !ui_init())
		panic();
	if (!window_open("Example - Grid menu", W, H))
		panic();
}

static void
quit(void)
{
	window_finish();
	ui_finish();
	core_finish();
}

static void
run(void)
{
	struct clock clock = {0};
	struct gridmenu menu = {
		.menu = {
			"Feu mineur",
			"Feu majeur",
			"Feu septième",
			"Glace mineure",
			"Glace majeure",
			"Glace septième",
			"Foudre mineure",
			"Foudre majeure",
			"Foudre septième",
			"Choc mineur",
			"Choc majeur",
			"Choc septième",
		},
		.w = 300,
		.h = 100,
		.nrows = 3,
		.ncols = 2
	};

	clock_start(&clock);
	align(ALIGN_CENTER, &menu.x, &menu.y, menu.w, menu.h, 0, 0, W, H);

	/* Need to repaint at least once. */
	gridmenu_repaint(&menu);

	for (;;) {
		union event ev;
		unsigned int elapsed = clock_elapsed(&clock);

		clock_start(&clock);

		while (event_poll(&ev)) {
			switch (ev.type) {
			case EVENT_QUIT:
				return;
			default:
				gridmenu_handle(&menu, &ev);
				break;
			}
		}

		if (menu.state == GRIDMENU_STATE_ACTIVATED) {
			tracef("selected index: %u", (unsigned int)menu.selected);
			gridmenu_reset(&menu);
		}

		painter_set_color(0x4f8fbaff);
		painter_clear();
		gridmenu_draw(&menu);
		painter_present();

		if ((elapsed = clock_elapsed(&clock)) < 20)
			delay(20 - elapsed);
	}
}

int
main(int argc, char **argv)
{
	(void)argc;
	(void)argv;

	init();
	run();
	quit();
}