windows/mouse.c

   1 /*
   2  * MOUSE driver
   3  *
   4  * Copyright 1998 Ulrich Weigand
   5  *
   6  */
   7
   8 #include "debug.h"
   9 #include "mouse.h"
  10 #include "monitor.h"
  11 #include "winuser.h"
  12 #include "win.h"
  13
  14 /**********************************************************************/
  15
  16 MOUSE_DRIVER *MOUSE_Driver = NULL;
  17
  18 static LPMOUSE_EVENT_PROC DefMouseEventProc = NULL;
  19
  20 /***********************************************************************
  21  *           MOUSE_Inquire                       (MOUSE.1)
  22  */
  23 WORD WINAPI MOUSE_Inquire(LPMOUSEINFO mouseInfo)
  24 {
  25     mouseInfo->msExist = TRUE;
  26     mouseInfo->msRelative = FALSE;
  27     mouseInfo->msNumButtons = 2;
  28     mouseInfo->msRate = 34;  /* the DDK says so ... */
  29     mouseInfo->msXThreshold = 0;
  30     mouseInfo->msYThreshold = 0;
  31     mouseInfo->msXRes = 0;
  32     mouseInfo->msYRes = 0;
  33     mouseInfo->msMouseCommPort = 0;
  34
  35     return sizeof(MOUSEINFO);
  36 }
  37
  38 /***********************************************************************
  39  *           MOUSE_Enable                        (MOUSE.2)
  40  */
  41 VOID WINAPI MOUSE_Enable(LPMOUSE_EVENT_PROC lpMouseEventProc)
  42 {
  43     DefMouseEventProc = lpMouseEventProc;
  44 }
  45
  46 /***********************************************************************
  47  *           MOUSE_Disable                       (MOUSE.3)
  48  */
  49 VOID WINAPI MOUSE_Disable(VOID)
  50 {
  51     DefMouseEventProc = 0;
  52 }
  53
  54 /***********************************************************************
  55  *           MOUSE_SendEvent
  56  */
  57 void MOUSE_SendEvent( DWORD mouseStatus, DWORD posX, DWORD posY,
  58                       DWORD keyState, DWORD time, HWND hWnd )
  59 {
  60     int width  = MONITOR_GetWidth (&MONITOR_PrimaryMonitor);
  61     int height = MONITOR_GetHeight(&MONITOR_PrimaryMonitor);
  62     int iWndsLocks;
  63     WINE_MOUSEEVENT wme;
  64     BOOL bOldWarpPointer;
  65
  66     if ( !DefMouseEventProc ) return;
  67
  68     TRACE( event, "(%04lX,%ld,%ld)\n", mouseStatus, posX, posY );
  69
  70     mouseStatus |= MOUSEEVENTF_ABSOLUTE;
  71     posX = (((long)posX << 16) + width-1)  / width;
  72     posY = (((long)posY << 16) + height-1) / height;
  73
  74     wme.magic    = WINE_MOUSEEVENT_MAGIC;
  75     wme.keyState = keyState;
  76     wme.time     = time;
  77     wme.hWnd     = hWnd;
  78
  79     bOldWarpPointer = MOUSE_Driver->pEnableWarpPointer(FALSE);
  80     /* To avoid deadlocks, we have to suspend all locks on windows structures
  81        before the program control is passed to the mouse driver */
  82     iWndsLocks = WIN_SuspendWndsLock();
  83     DefMouseEventProc( mouseStatus, posX, posY, 0, (DWORD)&wme );
  84     WIN_RestoreWndsLock(iWndsLocks);
  85     MOUSE_Driver->pEnableWarpPointer(bOldWarpPointer);
  86 }