op-graphics.cpp

/* 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "common/scummsys.h"

#if defined(OPENPANDORA)

#include "backends/graphics/openpandora/op-graphics.h"
#include "backends/events/openpandora/op-events.h"
#include "graphics/scaler/aspect.h"
#include "common/mutex.h"
#include "common/textconsole.h"

static SDL_Cursor *hiddenCursor;

OPGraphicsManager::OPGraphicsManager(SdlEventSource *sdlEventSource)
	: SurfaceSdlGraphicsManager(sdlEventSource) {
}

bool OPGraphicsManager::loadGFXMode() {

	uint8_t hiddenCursorData = 0;
	hiddenCursor = SDL_CreateCursor(&hiddenCursorData, &hiddenCursorData, 8, 1, 0, 0);

	/* On the OpenPandora we need to work around an SDL assumption that
	   returns relative mouse coordinates when you get to the screen
	   edges using the touchscreen. The workaround is to set a blank
	   SDL cursor and not disable it (Hackish I know).

	   The root issues likes in the Windows Manager GRAB code in SDL.
	   That is why the issue is not seen on framebuffer devices like the
	   GP2X (there is no X window manager ;)).
	*/
	SDL_ShowCursor(SDL_ENABLE);
	SDL_SetCursor(hiddenCursor);

	_videoMode.fullscreen = true;

	_videoMode.overlayWidth = _videoMode.screenWidth * _videoMode.scaleFactor;
	_videoMode.overlayHeight = _videoMode.screenHeight * _videoMode.scaleFactor;

	if (_videoMode.screenHeight != 200 && _videoMode.screenHeight != 400)
		_videoMode.aspectRatioCorrection = false;

	if (_videoMode.aspectRatioCorrection)
		_videoMode.overlayHeight = real2Aspect(_videoMode.overlayHeight);

	_videoMode.hardwareWidth = _videoMode.screenWidth * _videoMode.scaleFactor;
	_videoMode.hardwareHeight = effectiveScreenHeight();

	return SurfaceSdlGraphicsManager::loadGFXMode();
}

void OPGraphicsManager::unloadGFXMode() {

	uint8_t hiddenCursorData = 0;
	hiddenCursor = SDL_CreateCursor(&hiddenCursorData, &hiddenCursorData, 8, 1, 0, 0);

	// Free the hidden SDL cursor created in loadGFXMode
	SDL_FreeCursor(hiddenCursor);

	SurfaceSdlGraphicsManager::unloadGFXMode();
}

#endif