Added buffered device access for DInput's mouse driver.

include/dinput.h

@@ -2,6 +2,7 @@
 #define _WINE_DINPUT_H
 
 #include "unknwn.h"
+#include "mouse.h"
 
 #define STDMETHOD(xfn) HRESULT (CALLBACK *fn##xfn)
 #define STDMETHOD_(ret,xfn) ret (CALLBACK *fn##xfn)
@@ -716,20 +717,36 @@ struct IDirectInputDevice32A {
 };
 
 /* "Standard" Mouse report... */
-struct DIMOUSESTATE {
+typedef struct DIMOUSESTATE {
   LONG lX;
   LONG lY;
   LONG lZ;
   BYTE rgbButtons[4];
-};
+} DIMOUSESTATE;
+
+#define DIMOFS_X        FIELD_OFFSET(DIMOUSESTATE, lX)
+#define DIMOFS_Y        FIELD_OFFSET(DIMOUSESTATE, lY)
+#define DIMOFS_Z        FIELD_OFFSET(DIMOUSESTATE, lZ)
+#define DIMOFS_BUTTON0 (FIELD_OFFSET(DIMOUSESTATE, rgbButtons) + 0)
+#define DIMOFS_BUTTON1 (FIELD_OFFSET(DIMOUSESTATE, rgbButtons) + 1)
+#define DIMOFS_BUTTON2 (FIELD_OFFSET(DIMOUSESTATE, rgbButtons) + 2)
+#define DIMOFS_BUTTON3 (FIELD_OFFSET(DIMOUSESTATE, rgbButtons) + 3)
+
 struct SysMouse32A {
 	LPDIRECTINPUTDEVICEA_VTABLE	lpvtbl;
 	DWORD				ref;
 	GUID				guid;
 	BYTE                            absolute;
 	/* Previous position for relative moves */
-	LONG prevX;
-	LONG prevY;
+	LONG prevX, prevY;
+	LPMOUSE_EVENT_PROC prev_handler;
+	HWND32 win;
+	int xwin;
+	DWORD win_centerX, win_centerY;
+	LPDIDEVICEOBJECTDATA data_queue;
+	int queue_pos, queue_len;
+	int need_warp;
+	int acquired;
 };
 
 struct SysKeyboard32A {

windows/dinput.c

 /*		DirectInput
  *
  * Copyright 1998 Marcus Meissner
+ * Copyright 1998,1999 Lionel Ulmer
  *
- * Additions (mouse support) Copyright 1998 Lionel Ulmer
  */
 /* Status:
  *
@@ -35,6 +35,11 @@
 #include "debug.h"
 #include "message.h"
 
+#include "mouse.h"
+#include "ts_xlib.h"
+#include "sysmetrics.h"
+#include "x11drv.h"
+
 extern BYTE InputKeyStateTable[256];
 extern int min_keycode, max_keycode;
 extern WORD keyc2vkey[256];
@@ -60,6 +65,31 @@ static GUID DInput_Wine_Keyboard_GUID = { /* 0ab8648a-7735-11d2-8c73-71df54a9644
   {0x8c, 0x73, 0x71, 0xdf, 0x54, 0xa9, 0x64, 0x41}
 };
 
+/* This is ugly and not thread safe :/ */
+static LPDIRECTINPUTDEVICE32A current_lock = NULL;
+
+/******************************************************************************
+ *	Various debugging tools
+ */
+static void _dump_cooperativelevel(DWORD dwFlags) {
+  int   i;
+  const struct {
+    DWORD       mask;
+    char        *name;
+  } flags[] = {
+#define FE(x) { x, #x},
+    FE(DISCL_BACKGROUND)
+    FE(DISCL_EXCLUSIVE)
+    FE(DISCL_FOREGROUND)
+    FE(DISCL_NONEXCLUSIVE)
+  };
+  for (i=0;i<sizeof(flags)/sizeof(flags[0]);i++)
+    if (flags[i].mask & dwFlags)
+      DUMP("%s ",flags[i].name);
+  DUMP("\n");
+}
+
+
 /******************************************************************************
  *	DirectInputCreate32A
  */
@@ -148,7 +178,7 @@ static HRESULT WINAPI IDirectInputA_CreateDevice(
 		return 0;
 	}
 	if ((!memcmp(&GUID_SysMouse,rguid,sizeof(GUID_SysMouse))) ||             /* Generic Mouse */
-	    (!memcmp(&DInput_Wine_Mouse_GUID,rguid,sizeof(GUID_SysKeyboard)))) { /* Wine Mouse */
+	    (!memcmp(&DInput_Wine_Mouse_GUID,rguid,sizeof(GUID_SysMouse)))) { /* Wine Mouse */
 		*pdev = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(SysMouse32A));
 		(*pdev)->ref = 1;
 		(*pdev)->lpvtbl = &SysMouseAvt;
@@ -231,32 +261,8 @@ static HRESULT WINAPI IDirectInputDeviceA_SetCooperativeLevel(
 	LPDIRECTINPUTDEVICE32A this,HWND32 hwnd,DWORD dwflags
 ) {
 	FIXME(dinput,"(this=%p,0x%08lx,0x%08lx): stub\n",this,(DWORD)hwnd,dwflags);
-	return 0;
-}
-
-static HRESULT WINAPI IDirectInputDeviceA_SetProperty(
-	LPDIRECTINPUTDEVICE32A this,REFGUID rguid,LPCDIPROPHEADER ph
-) {
-	char	xbuf[50];
-
-	if (HIWORD(rguid))
-		WINE_StringFromCLSID(rguid,xbuf);
-	else
-		sprintf(xbuf,"<special guid %ld>",(DWORD)rguid);
-	TRACE(dinput,"(this=%p,%s,%p)\n",this,xbuf,ph);
-	if (!HIWORD(rguid)) {
-		switch ((DWORD)rguid) {
-		case DIPROP_BUFFERSIZE: {
-			LPCDIPROPDWORD	pd = (LPCDIPROPDWORD)ph;
-
-			TRACE(dinput,"buffersize = %ld\n",pd->dwData);
-			break;
-		}
-		default:
-			WARN(dinput,"Unknown type %ld\n",(DWORD)rguid);
-			break;
-		}
-	}
+	if (TRACE_ON(dinput))
+	  _dump_cooperativelevel(dwflags);
 	return 0;
 }
 
@@ -267,26 +273,6 @@ static HRESULT WINAPI IDirectInputDeviceA_SetEventNotification(
 	return 0;
 }
 
-static HRESULT WINAPI IDirectInputDeviceA_GetDeviceData(
-	LPDIRECTINPUTDEVICE32A this,DWORD dodsize,LPDIDEVICEOBJECTDATA dod,
-	LPDWORD entries,DWORD flags
-) {
-  TRACE(dinput,"IDirectInputDeviceA(%p)->GetDeviceData(%ld,%p,%p(0x%08lx),0x%08lx)\n",
-	this,dodsize,dod,entries,*entries,flags);
-	return 0;
-}
-
-
-static HRESULT WINAPI IDirectInputDeviceA_Acquire(LPDIRECTINPUTDEVICE32A this) {
-	TRACE(dinput,"(this=%p): stub\n",this);
-	return 0;
-}
-
-static HRESULT WINAPI IDirectInputDeviceA_Unacquire(LPDIRECTINPUTDEVICE32A this) {
-        TRACE(dinput,"(this=%p): stub\n",this);
-	return 0;
-}
-
 static ULONG WINAPI IDirectInputDeviceA_Release(LPDIRECTINPUTDEVICE32A this) {
 	this->ref--;
 	if (this->ref)
@@ -591,6 +577,51 @@ static HRESULT WINAPI IDirectInputDevice2A_SendDeviceData(
  */
 
 /******************************************************************************
+  *     Release : release the mouse buffer.
+  */
+static ULONG WINAPI SysMouseA_Release(LPDIRECTINPUTDEVICE32A this) {
+	LPSYSMOUSE32A mthis = (LPSYSMOUSE32A) this;
+
+	this->ref--;
+	if (this->ref)
+		return this->ref;
+
+	/* Free the data queue */
+	if (mthis->data_queue != NULL)
+	  HeapFree(GetProcessHeap(),0,mthis->data_queue);
+
+	/* Install the previous event handler (in case of releasing an aquired
+	   mouse device) */
+	if (mthis->prev_handler != NULL)
+	  MOUSE_Enable(mthis->prev_handler);
+	
+	HeapFree(GetProcessHeap(),0,this);
+	return 0;
+}
+
+
+/******************************************************************************
+  *     SetCooperativeLevel : store the window in which we will do our
+  *   grabbing.
+  */
+static HRESULT WINAPI SysMouseA_SetCooperativeLevel(
+	LPDIRECTINPUTDEVICE32A this,HWND32 hwnd,DWORD dwflags
+) {
+  LPSYSMOUSE32A mthis = (LPSYSMOUSE32A) this;
+
+  TRACE(dinput,"(this=%p,0x%08lx,0x%08lx): stub\n",this,(DWORD)hwnd,dwflags);
+
+  if (TRACE_ON(dinput))
+    _dump_cooperativelevel(dwflags);
+
+  /* Store the window which asks for the mouse */
+  mthis->win = hwnd;
+  
+  return 0;
+}
+
+
+/******************************************************************************
   *     SetDataFormat : the application can choose the format of the data
   *   the device driver sends back with GetDeviceState.
   *
@@ -633,23 +664,177 @@ static HRESULT WINAPI SysMouseA_SetDataFormat(
   
   /* For the moment, ignore these fields and return always as if
      c_dfDIMouse was passed as format... */
+
+  /* Check if the mouse is in absolute or relative mode */
   if (df->dwFlags == DIDF_ABSAXIS)
     mthis->absolute = 1;
-  else {
-    DWORD rx, ry;
-    
-    /* We need to get the initial "previous" position to be able
-       to return deltas */
+  else 
     mthis->absolute = 0;
   
-    /* Get the mouse position */
-    EVENT_QueryPointer(&rx, &ry, NULL);
+  return 0;
+}
 
-    /* Fill the initial mouse state structure */
-    mthis->prevX = rx;
-    mthis->prevY = ry;
+#define GEN_EVENT(offset,data,time,seq)						\
+{										\
+  if (mthis->queue_pos < mthis->queue_len) {					\
+    mthis->data_queue[mthis->queue_pos].dwOfs = offset;				\
+    mthis->data_queue[mthis->queue_pos].dwData = data;				\
+    mthis->data_queue[mthis->queue_pos].dwTimeStamp = time;			\
+    mthis->data_queue[mthis->queue_pos].dwSequence = seq;			\
+    mthis->queue_pos++;								\
+  }										\
   }
   
+/* Our private mouse event handler */
+static void WINAPI dinput_mouse_event( DWORD dwFlags, DWORD dx, DWORD dy,
+				      DWORD cButtons, DWORD dwExtraInfo )
+{
+  DWORD posX, posY, keyState, time, extra;
+  LPSYSMOUSE32A mthis = (LPSYSMOUSE32A) current_lock;
+  
+  if (   !IsBadReadPtr32( (LPVOID)dwExtraInfo, sizeof(WINE_MOUSEEVENT) )
+      && ((WINE_MOUSEEVENT *)dwExtraInfo)->magic == WINE_MOUSEEVENT_MAGIC ) {
+    WINE_MOUSEEVENT *wme = (WINE_MOUSEEVENT *)dwExtraInfo;
+    keyState = wme->keyState;
+    time = wme->time;
+    extra = (DWORD)wme->hWnd;
+    
+    assert( dwFlags & MOUSEEVENTF_ABSOLUTE );
+    posX = (dx * SYSMETRICS_CXSCREEN) >> 16;
+    posY = (dy * SYSMETRICS_CYSCREEN) >> 16;
+  } else {
+    ERR(dinput, "Mouse event not supported...\n");
+    return ;
+  }
+
+  TRACE(dinput, " %ld %ld ", posX, posY);
+
+  if ( dwFlags & MOUSEEVENTF_MOVE ) {
+    if (mthis->absolute) {
+      if (posX != mthis->prevX)
+	GEN_EVENT(DIMOFS_X, posX, time, 0);
+      if (posY != mthis->prevY)
+	GEN_EVENT(DIMOFS_Y, posY, time, 0);
+    } else {
+      /* Relative mouse input : the real fun starts here... */
+      if (mthis->need_warp) {
+	if (posX != mthis->prevX)
+	  GEN_EVENT(DIMOFS_X, posX - mthis->prevX, time, 0);
+	if (posY != mthis->prevY)
+	  GEN_EVENT(DIMOFS_Y, posY - mthis->prevY, time, 0);
+      } else {
+	/* This is the first time the event handler has been called after a
+	   GetData of GetState. */
+	if (posX != mthis->win_centerX) {
+	  GEN_EVENT(DIMOFS_X, posX - mthis->win_centerX, time, 0);
+	  mthis->need_warp = 1;
+	}
+	  
+	if (posY != mthis->win_centerY) {
+	  GEN_EVENT(DIMOFS_Y, posY - mthis->win_centerY, time, 0);
+	  mthis->need_warp = 1;
+	}
+      }
+    }
+  }
+  if ( dwFlags & MOUSEEVENTF_LEFTDOWN ) {
+    if (TRACE_ON(dinput))
+      DUMP(" LD ");
+
+    GEN_EVENT(DIMOFS_BUTTON0, 0xFF, time, 0);
+  }
+  if ( dwFlags & MOUSEEVENTF_LEFTUP ) {
+    if (TRACE_ON(dinput))
+      DUMP(" LU ");
+
+    GEN_EVENT(DIMOFS_BUTTON0, 0x00, time, 0);
+  }
+  if ( dwFlags & MOUSEEVENTF_RIGHTDOWN ) {
+    if (TRACE_ON(dinput))
+      DUMP(" RD ");
+
+    GEN_EVENT(DIMOFS_BUTTON1, 0xFF, time, 0);
+  }
+  if ( dwFlags & MOUSEEVENTF_RIGHTUP ) {
+    if (TRACE_ON(dinput))
+      DUMP(" RU ");
+
+    GEN_EVENT(DIMOFS_BUTTON1, 0x00, time, 0);
+  }
+  if ( dwFlags & MOUSEEVENTF_MIDDLEDOWN ) {
+    if (TRACE_ON(dinput))
+      DUMP(" MD ");
+
+    GEN_EVENT(DIMOFS_BUTTON2, 0xFF, time, 0);
+  }
+  if ( dwFlags & MOUSEEVENTF_MIDDLEUP ) {
+    if (TRACE_ON(dinput))
+      DUMP(" MU ");
+
+    GEN_EVENT(DIMOFS_BUTTON2, 0x00, time, 0);
+  }
+  if (TRACE_ON(dinput))
+    DUMP("\n");
+
+  mthis->prevX = posX;
+  mthis->prevY = posY;
+}
+
+
+/******************************************************************************
+  *     Acquire : gets exclusive control of the mouse
+  */
+static HRESULT WINAPI SysMouseA_Acquire(LPDIRECTINPUTDEVICE32A this) {
+  LPSYSMOUSE32A mthis = (LPSYSMOUSE32A) this;
+  RECT32	rect;
+  
+  TRACE(dinput,"(this=%p)\n",this);
+
+  if (mthis->acquired == 0) {
+    /* This stores the current mouse handler.
+       FIXME : need to be fixed for native USER use */
+    mthis->prev_handler = mouse_event;
+    
+    /* Store (in a global variable) the current lock */
+    current_lock = this;
+    
+    /* Install our own mouse event handler */
+    MOUSE_Enable(dinput_mouse_event);
+    
+    /* Get the window dimension and find the center */
+    GetWindowRect32(mthis->win, &rect);
+    mthis->xwin = ((X11DRV_WND_DATA *) WIN_FindWndPtr(mthis->win)->pDriverData)->window;
+    mthis->win_centerX = (rect.right  - rect.left) / 2;
+    mthis->win_centerY = (rect.bottom - rect.top ) / 2;
+    /* Warp the mouse to the center of the window */
+    TRACE(dinput, "Warping mouse to %ld - %ld\n", mthis->win_centerX, mthis->win_centerY);
+    TSXWarpPointer(display, DefaultRootWindow(display),
+		   mthis->xwin, 0, 0, 0, 0,
+		   mthis->win_centerX, mthis->win_centerY);
+    
+    mthis->acquired = 1;
+  }
+  return 0;
+}
+
+/******************************************************************************
+  *     Unacquire : frees the mouse
+  */
+static HRESULT WINAPI SysMouseA_Unacquire(LPDIRECTINPUTDEVICE32A this) {
+  LPSYSMOUSE32A mthis = (LPSYSMOUSE32A) this;
+
+  TRACE(dinput,"(this=%p)\n",this);
+
+  /* Reinstall previous mouse event handler */
+  MOUSE_Enable(mthis->prev_handler);
+  mthis->prev_handler = NULL;
+  
+  /* No more locks */
+  current_lock = NULL;
+
+  /* Unacquire device */
+  mthis->acquired = 0;
+  
   return 0;
 }
 
@@ -683,11 +868,11 @@ static HRESULT WINAPI SysMouseA_GetDeviceState(
     mstate->lX = rx;
     mstate->lY = ry;
   } else {
-    mstate->lX = rx - mthis->prevX;
-    mstate->lY = ry - mthis->prevY;
-    /* Fill the previous positions */
-    mthis->prevX = rx;
-    mthis->prevY = ry;
+    mstate->lX = rx - mthis->win_centerX;
+    mstate->lY = ry - mthis->win_centerY;
+
+    if ((mstate->lX != 0) || (mstate->lY != 0))
+      mthis->need_warp = 1;
   }
   mstate->lZ = 0;
   mstate->rgbButtons[0] = (state & MK_LBUTTON ? 0xFF : 0x00);
@@ -695,9 +880,109 @@ static HRESULT WINAPI SysMouseA_GetDeviceState(
   mstate->rgbButtons[2] = (state & MK_MBUTTON ? 0xFF : 0x00);
   mstate->rgbButtons[3] = 0x00;
   
+  /* Check if we need to do a mouse warping */
+  if (mthis->need_warp) {
+    TRACE(dinput, "Warping mouse to %ld - %ld\n", mthis->win_centerX, mthis->win_centerY);
+    TSXWarpPointer(display, DefaultRootWindow(display),
+		   mthis->xwin, 0, 0, 0, 0,
+		   mthis->win_centerX, mthis->win_centerY);
+    mthis->need_warp = 0;
+  }
+  
+  TRACE(dinput, "(X: %ld - Y: %ld   L: %02x M: %02x R: %02x)\n",
+	mstate->lX, mstate->lY,
+	mstate->rgbButtons[0], mstate->rgbButtons[2], mstate->rgbButtons[1]);
+  
   return 0;
 }
 
+/******************************************************************************
+  *     GetDeviceState : gets buffered input data.
+  */
+static HRESULT WINAPI SysMouseA_GetDeviceData(LPDIRECTINPUTDEVICE32A this,
+					      DWORD dodsize,
+					      LPDIDEVICEOBJECTDATA dod,
+					      LPDWORD entries,
+					      DWORD flags
+) {
+  LPSYSMOUSE32A mthis = (LPSYSMOUSE32A) this;
+  
+  TRACE(dinput,"(%p)->(%ld,%p,%p(0x%08lx),0x%08lx)\n",
+	this,dodsize,dod,entries,*entries,flags);
+
+  if (flags & DIGDD_PEEK)
+    TRACE(dinput, "DIGDD_PEEK\n");
+
+  if (dod == NULL) {
+    *entries = mthis->queue_pos;
+    mthis->queue_pos = 0;
+  } else {
+    /* Check for buffer overflow */
+    if (mthis->queue_pos > *entries) {
+      WARN(dinput, "Buffer overflow not handled properly yet...\n");
+      mthis->queue_pos = *entries;
+    }
+    if (dodsize != sizeof(DIDEVICEOBJECTDATA)) {
+      ERR(dinput, "Wrong structure size !\n");
+      return DIERR_INVALIDPARAM;
+    }
+    
+    /* Copy the buffered data into the application queue */
+    memcpy(dod, mthis->data_queue, mthis->queue_pos * dodsize);
+    
+    /* Reset the event queue */
+    mthis->queue_pos = 0;
+  }
+  
+  /* Check if we need to do a mouse warping */
+  if (mthis->need_warp) {
+    TRACE(dinput, "Warping mouse to %ld - %ld\n", mthis->win_centerX, mthis->win_centerY);
+    TSXWarpPointer(display, DefaultRootWindow(display),
+		   mthis->xwin, 0, 0, 0, 0,
+		   mthis->win_centerX, mthis->win_centerY);
+    mthis->need_warp = 0;
+  }
+  
+  return 0;
+}
+
+/******************************************************************************
+  *     SetProperty : change input device properties
+  */
+static HRESULT WINAPI SysMouseA_SetProperty(LPDIRECTINPUTDEVICE32A this,
+					    REFGUID rguid,
+					    LPCDIPROPHEADER ph) {
+  char	xbuf[50];
+  LPSYSMOUSE32A mthis = (LPSYSMOUSE32A) this;
+
+  if (HIWORD(rguid))
+    WINE_StringFromCLSID(rguid,xbuf);
+  else
+    sprintf(xbuf,"<special guid %ld>",(DWORD)rguid);
+
+  TRACE(dinput,"(this=%p,%s,%p)\n",this,xbuf,ph);
+  
+  if (!HIWORD(rguid)) {
+    switch ((DWORD)rguid) {
+    case DIPROP_BUFFERSIZE: {
+      LPCDIPROPDWORD	pd = (LPCDIPROPDWORD)ph;
+      
+      TRACE(dinput,"buffersize = %ld\n",pd->dwData);
+
+      mthis->data_queue = (LPDIDEVICEOBJECTDATA)HeapAlloc(GetProcessHeap(),0,
+							  pd->dwData * sizeof(DIDEVICEOBJECTDATA));
+      mthis->queue_pos  = 0;
+      mthis->queue_len  = pd->dwData;
+      break;
+    }
+    default:
+      WARN(dinput,"Unknown type %ld\n",(DWORD)rguid);
+      break;
+    }
+  }
+  
+  return 0;
+}
 
 
 static IDirectInputDeviceA_VTable SysKeyboardAvt={
@@ -733,18 +1018,18 @@ static IDirectInputDeviceA_VTable SysKeyboardAvt={
 static IDirectInputDeviceA_VTable SysMouseAvt={
 	IDirectInputDeviceA_QueryInterface,
 	IDirectInputDeviceA_AddRef,
-	IDirectInputDeviceA_Release,
+	SysMouseA_Release,
 	IDirectInputDeviceA_GetCapabilities,
 	IDirectInputDeviceA_EnumObjects,
 	IDirectInputDeviceA_GetProperty,
-	IDirectInputDeviceA_SetProperty,
-	IDirectInputDeviceA_Acquire,
-	IDirectInputDeviceA_Unacquire,
+	SysMouseA_SetProperty,
+	SysMouseA_Acquire,
+	SysMouseA_Unacquire,
 	SysMouseA_GetDeviceState,
-	IDirectInputDeviceA_GetDeviceData,
+	SysMouseA_GetDeviceData,
 	SysMouseA_SetDataFormat,
 	IDirectInputDeviceA_SetEventNotification,
-	IDirectInputDeviceA_SetCooperativeLevel,
+	SysMouseA_SetCooperativeLevel,
 	IDirectInputDeviceA_GetObjectInfo,
 	IDirectInputDeviceA_GetDeviceInfo,
 	IDirectInputDeviceA_RunControlPanel,