/*
 * Kangaroo Punch MultiPlayer Game Server Mark II
 * Copyright (C) 2020-2021  Scott Duensing
 *
 * 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 <https://www.gnu.org/licenses/>.
 *
 */


#include "desktop.h"
#include "window.h"


static void desktopDel(WidgetT **widget);
static void desktopPaint(WidgetT *desktop, RectT pos);


static void desktopDel(WidgetT **widget) {
	DesktopT *d = (DesktopT *)*widget;

	vbeSurfaceDestroy(&d->base.surface);
	free(d);
	d = NULL;
}


WidgetT *desktopInit(WidgetT *desktop) {
	DesktopT *d = (DesktopT *)desktop;

	d->base.magic            = MAGIC_DESKTOP;
	d->base.delMethod        = desktopDel;
	d->base.paintMethod      = desktopPaint;

	GUI_SET_FLAG(desktop, WIDGET_FLAG_OWNS_SURFACE);
	d->base.surface = vbeSurfaceCreate(d->base.pos.w, d->base.pos.h);
	if (!d->base.surface) {
		free(d);
		return NULL;
	}

	return desktop;
}


DesktopT *desktopNew(void) {
	DesktopT *desktop = (DesktopT *)malloc(sizeof(DesktopT));
	WidgetT  *widget  = NULL;

	if (!desktop) return NULL;

	widget = widgetInit(W(desktop), MAGIC_DESKTOP, 0, 0, vbeDisplayWidthGet(), vbeDisplayHeightGet(), 0, 0, 0, 0);
	if (!widget) {
		free(desktop);
		return NULL;
	}

	desktop = (DesktopT *)desktopInit((WidgetT *)desktop);

	return desktop;
}


static void desktopPaint(WidgetT *desktop, RectT pos) {
	(void)pos;

	if (GUI_GET_FLAG(desktop, WIDGET_FLAG_DIRTY)) {
		vbeSurfaceClear(_guiColor[COLOR_DESKTOP]);
		GUI_CLEAR_FLAG(desktop, WIDGET_FLAG_DIRTY);
	}
}