/*
 * Copyright (C) 2021  P. J. McDermott
 *
 * This file is part of Maze Fight
 *
 * Maze Fight 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.
 *
 * Maze Fight 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 Maze Fight.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <SDL.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "../tk.h"
#include "widget.h"

struct mftk_widget *
mftk_widget_new(size_t size)
{
	struct mftk_widget *w;

	w = calloc(1, size);
	if (w == NULL) {
		SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
				"Couldn't create widget: %s",
				strerror(errno));
		return NULL;
	}

	w->vis = SDL_TRUE;

	return w;
}

void
mftk_widget_set_visible(struct mftk_widget *w, int v)
{
	w->vis = v;
}

int
mftk_widget_get_visible(struct mftk_widget *w)
{
	return w->vis;
}

void
mftk_widget_layout(struct mftk_widget *w)
{
	w->layout(w);
}

void
mftk_widget_index(struct mftk_widget *w, struct mftk_window *win)
{
	if (w->role == MFTK_WIDGET_ROLE_CONTAINER) {
		w->index(w, win);
	} else if (w->role == MFTK_WIDGET_ROLE_FOCUSABLE) {
		mftk_window_index(win, w);
		w->window = win;
	}
}

void
mftk_widget_focus(struct mftk_widget *w)
{
	w->focus(w);
}

void
mftk_widget_defocus(struct mftk_widget *w)
{
	w->defocus(w);
}

int
mftk_widget_key_event(struct mftk_widget *w, SDL_Event *e)
{
	return w->key_event(w, e);
}

int
mftk_widget_mouse_event(struct mftk_widget *w, SDL_Event *e, int x, int y)
{
	return w->mouse_event(w, e, x, y);
}

int
mftk_widget_render(struct mftk_widget *w, SDL_Renderer *renderer, int x, int y)
{
	return w->render(w, renderer, x, y);
}

void
mftk_widget_destroy(struct mftk_widget **w_p)
{
	struct mftk_widget *w;

	if (w_p == NULL || *w_p == NULL) {
		return;
	}
	w = *w_p;

	w->destroy(w);
	free(w);
	w = NULL;
}