windowman.h

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GRAPHICS_WINDOWMAN_H
#define GRAPHICS_WINDOWMAN_H

#include "src/common/singleton.h"
#include "src/common/mutex.h"
#include "src/common/ustring.h"

#include "src/graphics/types.h"

namespace Graphics {

typedef SDL_DisplayMode DisplayMode;

class WindowManager : public Common::Singleton<WindowManager> {
public:
    enum RenderType {
        kOpenGL21 = 0,
        kOpenGL21Core,
        kOpenGL32Compat
    };

    WindowManager();
    ~WindowManager();

    void init();
    void deinit();

    bool initRender(RenderType type, bool useDebug, int fsaa);

    bool isFullScreen() const;
    void setFullScreen(bool fullScreen);
    void toggleFullScreen();

    int getWindowWidth() const;
    int getWindowHeight() const;
    void setWindowSize(int width, int height);

    std::vector<DisplayMode> getDisplayModes();

    int getSystemWidth() const;
    int getSystemHeight() const;

    int getMaxFSAA() const;

    void toggleMouseGrab();

    void setWindowTitle(const Common::UString &title = "");

    float getGamma() const;
    void setGamma(float gamma);

    void showCursor(bool show);
    void setCursorPosition(int x, int y);

    void beginScene();
    void endScene();
private:
    enum CursorState {
        kCursorStateStay,
        kCursorStateSwitchOn,
        kCursorStateSwitchOff
    };

    bool _fullScreen; 

    int _fsaaMax; 

    int _width;  
    int _height; 

    float _gamma; 

    Common::UString _windowTitle; 

    SDL_Window *_window; 
    SDL_GLContext _glContext;

    Common::Mutex _cursorMutex;    
    CursorState _cursorState;      

    uint32 windowFlags();
    void initWindow(uint32 flags);
    void deinitWindow();

    void probeFSAA();

    void handleCursorSwitch();
};

} // End of namespace Graphics

#define WindowMan Graphics::WindowManager::instance()

#endif // GRAPHICS_WINDOWMAN_H