/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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 <http://www.gnu.org/licenses/>.
 *
 */

#include "ultima/ultima8/gumps/desktop_gump.h"
#include "ultima/ultima8/gfx/render_surface.h"
#include "ultima/ultima8/gfx/texture.h"
#include "ultima/ultima8/kernel/mouse.h"
#include "ultima/ultima8/gumps/target_gump.h"

namespace Ultima {
namespace Ultima8 {

DEFINE_RUNTIME_CLASSTYPE_CODE(DesktopGump)

bool DesktopGump::_fadedModal = true;

DesktopGump::DesktopGump()
	: Gump() {
}

DesktopGump::DesktopGump(int32 x, int32 y, int32 width, int32 height) :
	Gump(x, y, width, height, 0, FLAG_DONT_SAVE | FLAG_CORE_GUMP,
	     LAYER_DESKTOP) {
}

DesktopGump::~DesktopGump(void) {
}

void DesktopGump::PaintThis(RenderSurface *surf, int32 lerp_factor, bool scaled) {
}

void DesktopGump::PaintChildren(RenderSurface *surf, int32 lerp_factor, bool scaled) {
	for (auto *g : _children) {
		// Paint if not closing
		if (!g->IsClosing()) {
			// If background blanking on modal is enabled...
			// Background is partially transparent
			if (_fadedModal && dynamic_cast<ModalGump *>(g) &&
			        !dynamic_cast<TargetGump *>(g) && !g->IsHidden())
				surf->fillBlended(TEX32_PACK_RGBA(0, 0, 0, 0x80), _dims);

			g->Paint(surf, lerp_factor, scaled);
		}
	}
}

void DesktopGump::RenderSurfaceChanged() {
	// Resize the desktop gump to match the parent
	if (_parent) {
		Common::Rect32 new_dims = _parent->getDims();
		_dims.setWidth(new_dims.width());
		_dims.setHeight(new_dims.height());
	}

	Gump::RenderSurfaceChanged();
}

void DesktopGump::saveData(Common::WriteStream *ws) {
	warning("Trying to save DesktopGump");
}

bool DesktopGump::loadData(Common::ReadStream *rs, uint32 version) {
	warning("Trying to load DesktopGump");

	return false;
}

} // End of namespace Ultima8
} // End of namespace Ultima