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dinput: Add a helper function for mouse warping.

This commit is contained in:
Alexandre Julliard 2011-04-26 12:28:25 +02:00
parent 8578f9c375
commit 5f2daff124
1 changed files with 20 additions and 41 deletions
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61
dlls/dinput/mouse.c
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@ -427,6 +427,21 @@ static BOOL dinput_window_check(SysMouseImpl* This) {
return TRUE;
}
static HRESULT warp_check( SysMouseImpl* This, BOOL force )
{
DWORD now = GetCurrentTime();
if (force || (This->need_warp && (now - This->last_warped > 10)))
{
This->last_warped = now;
This->need_warp = FALSE;
if (!dinput_window_check(This)) return DIERR_GENERIC;
TRACE("Warping mouse to %d - %d\n", This->mapped_center.x, This->mapped_center.y);
SetCursorPos( This->mapped_center.x, This->mapped_center.y );
}
return DI_OK;
}
/******************************************************************************
* Acquire : gets exclusive control of the mouse
@ -434,7 +449,6 @@ static BOOL dinput_window_check(SysMouseImpl* This) {
static HRESULT WINAPI SysMouseWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
{
SysMouseImpl *This = impl_from_IDirectInputDevice8W(iface);
RECT rect;
POINT point;
HRESULT res;
@ -473,23 +487,12 @@ static HRESULT WINAPI SysMouseWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
ERR("Failed to get RECT: %d\n", GetLastError());
}
/* Need a window to warp mouse in. */
if (This->warp_override == WARP_FORCE_ON && !This->base.win)
This->base.win = GetDesktopWindow();
/* Get the window dimension and find the center */
GetWindowRect(This->base.win, &rect);
This->mapped_center.x = (rect.left + rect.right) / 2;
This->mapped_center.y = (rect.top + rect.bottom) / 2;
/* Warp the mouse to the center of the window */
if (This->base.dwCoopLevel & DISCL_EXCLUSIVE || This->warp_override == WARP_FORCE_ON)
{
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->last_warped = GetCurrentTime();
This->need_warp = FALSE;
/* Need a window to warp mouse in. */
if (!This->base.win) This->base.win = GetDesktopWindow();
warp_check( This, TRUE );
}
return DI_OK;
@ -563,19 +566,7 @@ static HRESULT WINAPI SysMouseWImpl_GetDeviceState(LPDIRECTINPUTDEVICE8W iface,
}
LeaveCriticalSection(&This->base.crit);
/* Check if we need to do a mouse warping */
if (This->need_warp && (GetCurrentTime() - This->last_warped > 10))
{
if(!dinput_window_check(This))
return DIERR_GENERIC;
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->last_warped = GetCurrentTime();
This->need_warp = FALSE;
}
return DI_OK;
return warp_check( This, FALSE );
}
static HRESULT WINAPI SysMouseAImpl_GetDeviceState(LPDIRECTINPUTDEVICE8A iface, DWORD len, LPVOID ptr)
@ -594,19 +585,7 @@ static HRESULT WINAPI SysMouseWImpl_GetDeviceData(LPDIRECTINPUTDEVICE8W iface,
HRESULT res;
res = IDirectInputDevice2WImpl_GetDeviceData(iface, dodsize, dod, entries, flags);
if (FAILED(res)) return res;
/* Check if we need to do a mouse warping */
if (This->need_warp && (GetCurrentTime() - This->last_warped > 10))
{
if(!dinput_window_check(This))
return DIERR_GENERIC;
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->last_warped = GetCurrentTime();
This->need_warp = FALSE;
}
if (SUCCEEDED(res)) res = warp_check( This, FALSE );
return res;
}