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 "mouse.h"
  14 #include "windef.h"
  15 #include "wingdi.h"
  16 #include "winuser.h"
  17 #include "wine/winbase16.h"
  18
  19 DEFAULT_DEBUG_CHANNEL(event);
  20
  21 #include "pshpack1.h"
  22 typedef struct _MOUSEINFO
  23 {
  24     BYTE msExist;
  25     BYTE msRelative;
  26     WORD msNumButtons;
  27     WORD msRate;
  28     WORD msXThreshold;
  29     WORD msYThreshold;
  30     WORD msXRes;
  31     WORD msYRes;
  32     WORD msMouseCommPort;
  33 } MOUSEINFO, *LPMOUSEINFO;
  34 #include "poppack.h"
  35
  36 /**********************************************************************/
  37
  38 static LPMOUSE_EVENT_PROC DefMouseEventProc = NULL;
  39
  40 /***********************************************************************
  41  *           MOUSE_Inquire                       (MOUSE.1)
  42  */
  43 WORD WINAPI MOUSE_Inquire(LPMOUSEINFO mouseInfo)
  44 {
  45     mouseInfo->msExist = TRUE;
  46     mouseInfo->msRelative = FALSE;
  47     mouseInfo->msNumButtons = 2;
  48     mouseInfo->msRate = 34;  /* the DDK says so ... */
  49     mouseInfo->msXThreshold = 0;
  50     mouseInfo->msYThreshold = 0;
  51     mouseInfo->msXRes = 0;
  52     mouseInfo->msYRes = 0;
  53     mouseInfo->msMouseCommPort = 0;
  54
  55     return sizeof(MOUSEINFO);
  56 }
  57
  58 /***********************************************************************
  59  *           MOUSE_Enable                        (MOUSE.2)
  60  */
  61 VOID WINAPI MOUSE_Enable(LPMOUSE_EVENT_PROC lpMouseEventProc)
  62 {
  63     THUNK_Free( (FARPROC)DefMouseEventProc );
  64     DefMouseEventProc = lpMouseEventProc;
  65     USER_Driver.pInitMouse( lpMouseEventProc );
  66 }
  67
  68 static VOID WINAPI MOUSE_CallMouseEventProc( FARPROC16 proc,
  69                                              DWORD dwFlags, DWORD dx, DWORD dy,
  70                                              DWORD cButtons, DWORD dwExtraInfo )
  71 {
  72     CONTEXT86 context;
  73
  74     memset( &context, 0, sizeof(context) );
  75     context.SegCs = SELECTOROF( proc );
  76     context.Eip   = OFFSETOF( proc );
  77     context.Eax   = (WORD)dwFlags;
  78     context.Ebx   = (WORD)dx;
  79     context.Ecx   = (WORD)dy;
  80     context.Edx   = (WORD)cButtons;
  81     context.Esi   = LOWORD( dwExtraInfo );
  82     context.Edi   = HIWORD( dwExtraInfo );
  83
  84     wine_call_to_16_regs_short( &context, 0 );
  85 }
  86
  87 VOID WINAPI WIN16_MOUSE_Enable( FARPROC16 proc )
  88 {
  89     LPMOUSE_EVENT_PROC thunk =
  90       (LPMOUSE_EVENT_PROC)THUNK_Alloc( proc, (RELAY)MOUSE_CallMouseEventProc );
  91
  92     MOUSE_Enable( thunk );
  93 }
  94
  95 /***********************************************************************
  96  *           MOUSE_Disable                       (MOUSE.3)
  97  */
  98 VOID WINAPI MOUSE_Disable(VOID)
  99 {
 100     THUNK_Free( (FARPROC)DefMouseEventProc );
 101     DefMouseEventProc = 0;
 102     USER_Driver.pInitMouse( 0 );
 103 }