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msmouse.h

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/*************************************************************************
*   FILE: msmouse.h
* AUTHOR: Weiskamp, Heiny, Flamig
* DATE: 18 April 1993
* PURPOSE:
*   Header for MSMouse class to interface with Microsoft mouse
*   driver
**************************************************************************
*     REVISION HISTORY
*
*  Rev  Date    Analyst
*
*    0  ??    Weiskamp, Heiny, Flamig
*       Designed.
*    1  16 Apr 1993   Wilson T, Steven W
*       Added 640x480 support, a few additional features.
*    2  18 Apr 1993 CAL
*       Added support for my message-passing protocols.
**************************************************************************/

#ifndef _MSMOUSE_H
#define _MSMOUSE_H

#include "typedefs.h"
#include "messages.h"

const int THRESHOLD = 16;

// Defines graphics mouse cursor styles

struct HotSpotStruct {int X, Y;};

struct MouseCursor {
  HotSpotStruct HotSpot;
  unsigned ScreenMask[16];
  unsigned CursorMask[16];
};

extern const MouseCursor ArrowCursor;
extern const MouseCursor HandCursor;
extern const MouseCursor LeftRightCursor;
extern const MouseCursor UpDownCursor;


// Mouse Button Masks
const unsigned LeftButton   = 0x0001;
const unsigned RightButton    = 0x0002;

// The video modes that the mouse is running under
enum VideoModeType {TextScrn, LowResGr, HighResGr, Graphics};

// The mouse object class
class MSMouse {
protected:
  int  OldX, OldY;  // Used solely by Moved to keep position
  bool OK;    // True if mouse initialized
  bool MouseOff;    // True is mouse is disabled (Default)
  bool TextMode;    // True if in text mode
  bool LowRes;
  bool HighRes;   // True is in 640 x 480 graphics mode

  bool DriverExists (void);
  int  PressCnt (unsigned ButtonMask);
  int  ReleaseCnt (unsigned ButtonMask);
  bool Moved (void);
  bool Operating (void) { return (bool) (!MouseOff); }
  unsigned Status (int &Mx, int &My);
  unsigned ButtonStatus (void);
  int X, Y, Dx, Dy; // Keeps track of the mouse's movement
public:
  MSMouse (void);
  MSMouse (VideoModeType VideoMode);
  void Setup  (VideoModeType VideoMode);
  bool SetupOK (void) { return OK; }
  void Hide (void);
  void Show (void);
  void Move (int Mx, int My);
  void TurnOn (void);
  void TurnOff (void);
  void SetGCursor (const MouseCursor &NewCursor);
  void SetMouseCursor (int, int);
  void SetSpeed2 ();

  Message Event (void);
  Message WaitForAnyEvent (void);
  Message WaitForEvent (Message&);
  void Flush (void);
};

extern MSMouse Mouse;   // Global Instance

#endif

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