reactos/subsystems/mvdm/ntvdm/hardware/mouse.h

   1 /*
   2  * COPYRIGHT:       GPL - See COPYING in the top level directory
   3  * PROJECT:         ReactOS Virtual DOS Machine
   4  * FILE:            subsystems/mvdm/ntvdm/hardware/mouse.h
   5  * PURPOSE:         PS/2 Mouse emulation
   6  * PROGRAMMERS:     Aleksandar Andrejevic <theflash AT sdf DOT lonestar DOT org>
   7  */
   8
   9 #ifndef _MOUSE_H_
  10 #define _MOUSE_H_
  11
  12 /* DEFINES ********************************************************************/
  13
  14 /* Mouse packet constants */
  15 #define MOUSE_MAX 255
  16
  17 /* Mouse packet flags */
  18 #define MOUSE_LEFT_BUTTON   (1 << 0)
  19 #define MOUSE_RIGHT_BUTTON  (1 << 1)
  20 #define MOUSE_MIDDLE_BUTTON (1 << 2)
  21 #define MOUSE_ALWAYS_SET    (1 << 3)
  22 #define MOUSE_X_SIGN        (1 << 4)
  23 #define MOUSE_Y_SIGN        (1 << 5)
  24 #define MOUSE_X_OVERFLOW    (1 << 6)
  25 #define MOUSE_Y_OVERFLOW    (1 << 7)
  26
  27 /* Mouse packet extra flags */
  28 #define MOUSE_4TH_BUTTON    (1 << 4)
  29 #define MOUSE_5TH_BUTTON    (1 << 5)
  30
  31 /* Command responses */
  32 #define MOUSE_BAT_SUCCESS   0xAA
  33 #define MOUSE_ACK           0xFA
  34 #define MOUSE_ERROR         0xFC
  35
  36 /*
  37  * Scrolling directions
  38  *
  39  * It may seem odd that the directions are implemented this way, but
  40  * this is how it's done on real hardware. It works because the two
  41  * scroll wheels can't be used at the same time.
  42  */
  43 #define MOUSE_SCROLL_UP     1
  44 #define MOUSE_SCROLL_DOWN  -1
  45 #define MOUSE_SCROLL_RIGHT  2
  46 #define MOUSE_SCROLL_LEFT  -2
  47
  48 typedef enum _MOUSE_MODE
  49 {
  50     MOUSE_STREAMING_MODE,
  51     MOUSE_REMOTE_MODE,
  52     MOUSE_WRAP_MODE,
  53 } MOUSE_MODE, *PMOUSE_MODE;
  54
  55 typedef struct _MOUSE_PACKET
  56 {
  57     BYTE Flags;
  58     BYTE HorzCounter;
  59     BYTE VertCounter;
  60     BYTE Extra;
  61 } MOUSE_PACKET, *PMOUSE_PACKET;
  62
  63 /* FUNCTIONS ******************************************************************/
  64
  65 VOID MouseEventHandler(PMOUSE_EVENT_RECORD MouseEvent);
  66 VOID MouseGetDataFast(PCOORD CurrentPosition, PBYTE CurrentButtonState);
  67 BOOLEAN MouseInit(BYTE PS2Connector);
  68
  69 #endif // _MOUSE_H_