Alexandre Julliard : dinput: Pass mouse messages through if the request to clip the cursor is rejected.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0036e438db3b5382ee0a2c53478960fabb892a2c
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=0036e438db3b5382ee0a2c53478960fabb892a2c

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Tue Apr 26 14:41:51 2011 +0200

dinput: Pass mouse messages through if the request to clip the cursor is rejected.

---

 dlls/dinput/mouse.c |   23 ++++++++++++-----------
 1 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/dlls/dinput/mouse.c b/dlls/dinput/mouse.c
index f011de9..b890c73 100644
--- a/dlls/dinput/mouse.c
+++ b/dlls/dinput/mouse.c
@@ -66,6 +66,7 @@ struct SysMouseImpl
     /* These are used in case of relative -> absolute transitions */
     POINT                           org_coords;
     POINT      			    mapped_center;
+    BOOL                            clipped;
     /* warping: whether we need to move mouse back to middle once we
      * reach window borders (for e.g. shooters, "surface movement" games) */
     BOOL                            need_warp;
@@ -319,21 +320,20 @@ static int dinput_mouse_hook( LPDIRECTINPUTDEVICE8A iface, WPARAM wparam, LPARAM
 {
     MSLLHOOKSTRUCT *hook = (MSLLHOOKSTRUCT *)lparam;
     SysMouseImpl* This = impl_from_IDirectInputDevice8A(iface);
-    DWORD dwCoop;
     int wdata = 0, inst_id = -1, ret;
 
     TRACE("msg %lx @ (%d %d)\n", wparam, hook->pt.x, hook->pt.y);
 
     EnterCriticalSection(&This->base.crit);
-    dwCoop = This->base.dwCoopLevel;
-    ret = dwCoop & DISCL_EXCLUSIVE;
+    ret = This->clipped;
 
     switch(wparam) {
         case WM_MOUSEMOVE:
         {
             POINT pt, pt1;
 
-            GetCursorPos(&pt);
+            if (This->clipped) pt = This->mapped_center;
+            else GetCursorPos(&pt);
             This->m_state.lX += pt.x = hook->pt.x - pt.x;
             This->m_state.lY += pt.y = hook->pt.y - pt.y;
 
@@ -422,28 +422,29 @@ static int dinput_mouse_hook( LPDIRECTINPUTDEVICE8A iface, WPARAM wparam, LPARAM
 static HRESULT warp_check( SysMouseImpl* This, BOOL force )
 {
     DWORD now = GetCurrentTime();
-    const DWORD interval = (This->base.dwCoopLevel & DISCL_EXCLUSIVE) ? 500 : 10;
+    const DWORD interval = This->clipped ? 500 : 10;
 
     if (force || (This->need_warp && (now - This->last_warped > interval)))
     {
-        RECT rect;
+        RECT rect, new_rect;
 
         This->last_warped = now;
         This->need_warp = FALSE;
         if (!GetWindowRect(This->base.win, &rect)) return DIERR_GENERIC;
         This->mapped_center.x = (rect.left + rect.right) / 2;
         This->mapped_center.y = (rect.top + rect.bottom) / 2;
+        if (!This->clipped)
+        {
+            TRACE("Warping mouse to %d - %d\n", This->mapped_center.x, This->mapped_center.y);
+            SetCursorPos( This->mapped_center.x, This->mapped_center.y );
+        }
         if (This->base.dwCoopLevel & DISCL_EXCLUSIVE)
         {
             SetRect( &rect, This->mapped_center.x, This->mapped_center.y,
                      This->mapped_center.x + 1, This->mapped_center.y + 1 );
             TRACE("Clipping mouse to %s\n", wine_dbgstr_rect( &rect ));
             ClipCursor( &rect );
-        }
-        else
-        {
-            TRACE("Warping mouse to %d - %d\n", This->mapped_center.x, This->mapped_center.y);
-            SetCursorPos( This->mapped_center.x, This->mapped_center.y );
+            This->clipped = GetClipCursor( &new_rect ) && EqualRect( &rect, &new_rect );
         }
     }
     return DI_OK;