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 DEFAULT_DEBUG_CHANNEL(event)
  15
  16 /**********************************************************************/
  17
  18 MOUSE_DRIVER *MOUSE_Driver = NULL;
  19
  20 static LPMOUSE_EVENT_PROC DefMouseEventProc = NULL;
  21
  22 /***********************************************************************
  23  *           MOUSE_Inquire                       (MOUSE.1)
  24  */
  25 WORD WINAPI MOUSE_Inquire(LPMOUSEINFO mouseInfo)
  26 {
  27     mouseInfo->msExist = TRUE;
  28     mouseInfo->msRelative = FALSE;
  29     mouseInfo->msNumButtons = 2;
  30     mouseInfo->msRate = 34;  /* the DDK says so ... */
  31     mouseInfo->msXThreshold = 0;
  32     mouseInfo->msYThreshold = 0;
  33     mouseInfo->msXRes = 0;
  34     mouseInfo->msYRes = 0;
  35     mouseInfo->msMouseCommPort = 0;
  36
  37     return sizeof(MOUSEINFO);
  38 }
  39
  40 /***********************************************************************
  41  *           MOUSE_Enable                        (MOUSE.2)
  42  */
  43 VOID WINAPI MOUSE_Enable(LPMOUSE_EVENT_PROC lpMouseEventProc)
  44 {
  45     DefMouseEventProc = lpMouseEventProc;
  46 }
  47
  48 /***********************************************************************
  49  *           MOUSE_Disable                       (MOUSE.3)
  50  */
  51 VOID WINAPI MOUSE_Disable(VOID)
  52 {
  53     DefMouseEventProc = 0;
  54 }
  55
  56 /***********************************************************************
  57  *           MOUSE_SendEvent
  58  */
  59 void MOUSE_SendEvent( DWORD mouseStatus, DWORD posX, DWORD posY,
  60                       DWORD keyState, DWORD time, HWND hWnd )
  61 {
  62     int width  = MONITOR_GetWidth (&MONITOR_PrimaryMonitor);
  63     int height = MONITOR_GetHeight(&MONITOR_PrimaryMonitor);
  64     int iWndsLocks;
  65     WINE_MOUSEEVENT wme;
  66     BOOL bOldWarpPointer;
  67
  68     if ( !DefMouseEventProc ) return;
  69
  70     TRACE( event, "(%04lX,%ld,%ld)\n", mouseStatus, posX, posY );
  71
  72     mouseStatus |= MOUSEEVENTF_ABSOLUTE;
  73     posX = (((long)posX << 16) + width-1)  / width;
  74     posY = (((long)posY << 16) + height-1) / height;
  75
  76     wme.magic    = WINE_MOUSEEVENT_MAGIC;
  77     wme.keyState = keyState;
  78     wme.time     = time;
  79     wme.hWnd     = hWnd;
  80
  81     bOldWarpPointer = MOUSE_Driver->pEnableWarpPointer(FALSE);
  82     /* To avoid deadlocks, we have to suspend all locks on windows structures
  83        before the program control is passed to the mouse driver */
  84     iWndsLocks = WIN_SuspendWndsLock();
  85     DefMouseEventProc( mouseStatus, posX, posY, 0, (DWORD)&wme );
  86     WIN_RestoreWndsLock(iWndsLocks);
  87     MOUSE_Driver->pEnableWarpPointer(bOldWarpPointer);
  88 }