dlls/user/mouse.c

   1 /*
   2  * MOUSE driver
   3  *
   4  * Copyright 1998 Ulrich Weigand
   5  *
   6  */
   7
   8 #include <string.h>
   9
  10 #include "debugtools.h"
  11 #include "callback.h"
  12 #include "builtin16.h"
  13 #include "module.h"
  14 #include "mouse.h"
  15 #include "windef.h"
  16 #include "wingdi.h"
  17 #include "winuser.h"
  18 #include "wine/winbase16.h"
  19
  20 DEFAULT_DEBUG_CHANNEL(event);
  21
  22 #include "pshpack1.h"
  23 typedef struct _MOUSEINFO
  24 {
  25     BYTE msExist;
  26     BYTE msRelative;
  27     WORD msNumButtons;
  28     WORD msRate;
  29     WORD msXThreshold;
  30     WORD msYThreshold;
  31     WORD msXRes;
  32     WORD msYRes;
  33     WORD msMouseCommPort;
  34 } MOUSEINFO, *LPMOUSEINFO;
  35 #include "poppack.h"
  36
  37 /**********************************************************************/
  38
  39 static LPMOUSE_EVENT_PROC DefMouseEventProc = NULL;
  40
  41 /***********************************************************************
  42  *           MOUSE_Inquire                       (MOUSE.1)
  43  */
  44 WORD WINAPI MOUSE_Inquire(LPMOUSEINFO mouseInfo)
  45 {
  46     mouseInfo->msExist = TRUE;
  47     mouseInfo->msRelative = FALSE;
  48     mouseInfo->msNumButtons = 2;
  49     mouseInfo->msRate = 34;  /* the DDK says so ... */
  50     mouseInfo->msXThreshold = 0;
  51     mouseInfo->msYThreshold = 0;
  52     mouseInfo->msXRes = 0;
  53     mouseInfo->msYRes = 0;
  54     mouseInfo->msMouseCommPort = 0;
  55
  56     return sizeof(MOUSEINFO);
  57 }
  58
  59 /***********************************************************************
  60  *           MOUSE_Enable                        (MOUSE.2)
  61  */
  62 VOID WINAPI MOUSE_Enable(LPMOUSE_EVENT_PROC lpMouseEventProc)
  63 {
  64     THUNK_Free( (FARPROC)DefMouseEventProc );
  65     DefMouseEventProc = lpMouseEventProc;
  66     USER_Driver->pInitMouse( lpMouseEventProc );
  67 }
  68
  69 static VOID WINAPI MOUSE_CallMouseEventProc( FARPROC16 proc,
  70                                              DWORD dwFlags, DWORD dx, DWORD dy,
  71                                              DWORD cButtons, DWORD dwExtraInfo )
  72 {
  73     CONTEXT86 context;
  74
  75     memset( &context, 0, sizeof(context) );
  76     CS_reg(&context)  = SELECTOROF( proc );
  77     EIP_reg(&context) = OFFSETOF( proc );
  78     AX_reg(&context)  = (WORD)dwFlags;
  79     BX_reg(&context)  = (WORD)dx;
  80     CX_reg(&context)  = (WORD)dy;
  81     DX_reg(&context)  = (WORD)cButtons;
  82     SI_reg(&context)  = LOWORD( dwExtraInfo );
  83     DI_reg(&context)  = HIWORD( dwExtraInfo );
  84
  85     CallTo16RegisterShort( &context, 0 );
  86 }
  87
  88 VOID WINAPI WIN16_MOUSE_Enable( FARPROC16 proc )
  89 {
  90     LPMOUSE_EVENT_PROC thunk =
  91       (LPMOUSE_EVENT_PROC)THUNK_Alloc( proc, (RELAY)MOUSE_CallMouseEventProc );
  92
  93     MOUSE_Enable( thunk );
  94 }
  95
  96 /***********************************************************************
  97  *           MOUSE_Disable                       (MOUSE.3)
  98  */
  99 VOID WINAPI MOUSE_Disable(VOID)
 100 {
 101     THUNK_Free( (FARPROC)DefMouseEventProc );
 102     DefMouseEventProc = 0;
 103     USER_Driver->pInitMouse( 0 );
 104 }