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wince-sdl.h

/* 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.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-0-0/backends/platform/wince/wince-sdl.h $
 * $Id: wince-sdl.h 43089 2009-08-06 18:07:05Z knakos $
 *
 */

#ifndef WINCE_SDL_H
#define WINCE_SDL_H

#include "common/scummsys.h"
#include "common/system.h"
#include "graphics/scaler.h"
#include "backends/platform/sdl/sdl.h"

#include "CEGUI.h"
#include "CEKeys.h"
#include "CEDevice.h"
#include "CEScaler.h"

#include <SDL.h>

#define TOTAL_ZONES 3

// defines used for implementing the raw frame buffer access method (2003+)
#define GETRAWFRAMEBUFFER   0x00020001
#define FORMAT_565 1
#define FORMAT_555 2
#define FORMAT_OTHER 3
#if defined(_WIN32_WCE) && _WIN32_WCE <= 300
typedef struct _RawFrameBufferInfo
{
      WORD wFormat;
      WORD wBPP;
      VOID *pFramePointer;
      int  cxStride;
      int  cyStride;
      int  cxPixels;
      int  cyPixels;
} RawFrameBufferInfo;
#endif

class OSystem_WINCE3 : public OSystem_SDL {
public:
      OSystem_WINCE3();

      // Update the dirty areas of the screen
      void internUpdateScreen();

      void setGraphicsModeIntern();
      void initSize(uint w, uint h);
      void initBackend();

      // Overloaded from SDL backend (toolbar handling)
      bool pollEvent(Common::Event &event);
      // Overloaded from SDL backend (toolbar handling)
      void drawMouse();
      // Overloaded from SDL backend (mouse and new scaler handling)
      void fillMouseEvent(Common::Event &event, int x, int y);
      // Overloaded from SDL backend (new scaler handling)
      void addDirtyRect(int x, int y, int w, int h, bool mouseRect = false);
      // Overloaded from SDL backend (new scaler handling)
      void warpMouse(int x, int y);
      // Overloaded from SDL backend
      void quit();
      // Overloaded from SDL backend (master volume and sample rate subtleties)
      void setupMixer();
      // Overloaded from OSystem
      void engineInit();
      void getTimeAndDate(struct tm &t) const;
      virtual Common::SeekableReadStream *createConfigReadStream();
      virtual Common::WriteStream *createConfigWriteStream();


      // Overloaded from SDL_Common (FIXME)
      void setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, byte keycolor, int cursorTargetScale); // overloaded by CE backend
      void undrawMouse();
      void blitCursor();
      bool showMouse(bool visible);
      void setMousePos(int x, int y);
      void copyRectToScreen(const byte *src, int pitch, int x, int y, int w, int h); // overloaded by CE backend (FIXME)
      void copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h);
      void showOverlay();
      void hideOverlay();
      Graphics::Surface *lockScreen();
      void unlockScreen();

      // GUI and action stuff
      void swap_panel_visibility();
      void swap_panel();
      void swap_sound_master();
      void add_right_click(bool pushed);
      void swap_mouse_visibility();
      void swap_freeLook();
      void swap_zoom_up();
      void swap_zoom_down();
      void swap_smartphone_keyboard();

//#ifdef WIN32_PLATFORM_WFSP
      // Smartphone actions

      void initZones();
      void loadDeviceConfigurationElement(String element, int &value, int defaultValue);
      void loadDeviceConfiguration();
      void add_left_click(bool pushed);
      void move_cursor_up();
      void move_cursor_down();
      void move_cursor_left();
      void move_cursor_right();
      void switch_zone();
      void smartphone_rotate_display();
//#endif

      static int getScreenWidth();
      static int getScreenHeight();
      static void initScreenInfos();
      static bool isOzone();

protected:
      bool loadGFXMode();
      void unloadGFXMode();
      bool hotswapGFXMode();
      bool saveScreenshot(const char *filename);


      const GraphicsMode *getSupportedGraphicsModes() const;
      bool setGraphicsMode(int mode);
      //int getGraphicsMode() const;
      int getDefaultGraphicsMode() const;

      bool openCD(int drive);
      int getOutputSampleRate() const;

      bool hasFeature(Feature f);
      void setFeatureState(Feature f, bool enable);
      bool getFeatureState(Feature f);

      void internDrawMouse();
      void drawToolbarMouse(SDL_Surface *surf, bool draw);

private:

#ifdef USE_VORBIS
      bool checkOggHighSampleRate();
#endif

      static void private_sound_proc(void *param, byte *buf, int len);

      bool update_scalers();
      void create_toolbar();
      void update_game_settings();
      void check_mappings();
      void compute_sample_rate();

      void retrieve_mouse_location(int &x, int &y);

      CEGUI::ToolbarHandler _toolbarHandler;

      SDL_Surface *_toolbarLow;     // toolbar 320x40
      SDL_Surface *_toolbarHigh;    // toolbar 640x80
      bool _toolbarHighDrawn;       // cache toolbar 640x80

      uint16 _sampleRate;           // current audio sample rate

      bool _freeLook;               // freeLook mode (do not send mouse button events)

      bool _forceHideMouse;         // force invisible mouse cursor

      bool _forcePanelInvisible;    // force panel visibility for some cases
      bool _panelVisible;           // panel visibility
      bool _panelStateForced;       // panel visibility forced by external call

      bool _panelInitialized;       // only initialize the toolbar once

      bool _unfilteredkeys;         // discard key mapping temporarily (agi pred. dialog)
      static bool _soundMaster;     // turn off sound after all calculations
                                                // static since needed by the SDL callback
      int _orientationLandscape;    // current orientation
      int _newOrientation;          // new orientation

      bool _saveToolbarState;       // save visibility when forced
      String _saveActiveToolbar;    // save active toolbar when forced

      bool _saveToolbarZoom;        // save visibility when zooming
      bool _zoomUp;                 // zooming up mode
      bool _zoomDown;               // zooming down mode

      bool _noDoubleTapRMB;   // disable double tap -> rmb click
      bool _rbutton;                // double tap -> right button simulation
      bool _closeClick;       // flag when taps are spatially close together

      bool _usesEmulatedMouse;      // emulated mousemove ever been used in this session

      bool _canBeAspectScaled;      // game screen size allows for aspect scaling

      int _scaleFactorXm;           // scaler X *
      int _scaleFactorXd;           // scaler X /
      int _scaleFactorYm;           // scaler Y *
      int _scaleFactorYd;           // scaler Y /
      SDL_Rect _dirtyRectOut[NUM_DIRTY_RECT];
      bool _scalersChanged;
      bool _hasfocus;               // scummvm has the top window

      static int _platformScreenWidth;
      static int _platformScreenHeight;
      static bool _isOzone;         // true if running on Windows 2003 SE

      // Keyboard tap
      int _tapX;
      int _tapY;
      long _tapTime;

      // Mouse
      int   _mouseHotspotX, _mouseHotspotY;
      byte *_mouseBackupOld;
      uint16 *_mouseBackupToolbar;
      uint16 _mouseBackupDim;

      // Smartphone specific variables

      int _lastKeyPressed;                // last key pressed
      int _keyRepeat;                     // number of time the last key was repeated
      int _keyRepeatTime;                 // elapsed time since the key was pressed
      int _keyRepeatTrigger;              // minimum time to consider the key was repeated

      int _repeatX;                       // repeat trigger for left and right cursor moves
      int _repeatY;                       // repeat trigger for up and down cursor moves
      int _stepX1;                        // offset for left and right cursor moves (slowest)
      int _stepX2;                        // offset for left and right cursor moves (faster)
      int _stepX3;                        // offset for left and right cursor moves (fastest)
      int _stepY1;                        // offset for up and down cursor moves (slowest)
      int _stepY2;                        // offset for up and down cursor moves (faster)
      int _stepY3;                        // offset for up and down cursor moves (fastest)

      int _mouseXZone[TOTAL_ZONES];
      int _mouseYZone[TOTAL_ZONES];
      int _currentZone;

      typedef struct zoneDesc {
            int x;
            int y;
            int width;
            int height;
      } zoneDesc;

      static zoneDesc _zones[TOTAL_ZONES];
};

#endif

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