reactos/win32ss/drivers/displays/framebufacc/pointer.c

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/*
* ReactOS Generic Framebuffer display driver
*
* Copyright (C) 2007 Magnus Olsen
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "framebufacc.h"
/*
* DrvMovePointer
*
* Moves the pointer to a new position and ensures that GDI does not interfere
* with the display of the pointer.
*
* Status
* @implemented
*/
VOID APIENTRY
DrvMovePointer(IN SURFOBJ *pso,
IN LONG x,
IN LONG y,
IN RECTL *prcl)
{
PPDEV ppdev = (PPDEV) pso->dhpdev;
DWORD returnedDataLength;
VIDEO_POINTER_POSITION NewPointerPosition;
x -= ppdev->ScreenOffsetXY.x;
y -= ppdev->ScreenOffsetXY.y;
/* position of (-1,-1) hide the pointer */
if ((x == -1) || (y == -1))
{
if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_DISABLE_POINTER, NULL, 0, NULL, 0, &returnedDataLength))
{
/* hw did not disable the mouse, we try then with software */
EngMovePointer(pso, x, y, prcl);
}
}
else
{
/* Calc the mouse positions and set it to the new positions */
NewPointerPosition.Column = (SHORT) x - (SHORT) (ppdev->PointerHotSpot.x);
NewPointerPosition.Row = (SHORT) y - (SHORT) (ppdev->PointerHotSpot.y);
if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_SET_POINTER_POSITION, &NewPointerPosition,
sizeof(VIDEO_POINTER_POSITION), NULL, 0, &returnedDataLength))
{
/* hw did not disable the mouse, we try then with software */
EngMovePointer(pso, x, y, prcl);
}
}
}
/*
* DrvSetPointerShape
*
* Sets the new pointer shape.
*
* Status
* @implemented
*/
ULONG APIENTRY
DrvSetPointerShape(
IN SURFOBJ *pso,
IN SURFOBJ *psoMask,
IN SURFOBJ *psoColor,
IN XLATEOBJ *pxlo,
IN LONG xHot,
IN LONG yHot,
IN LONG x,
IN LONG y,
IN RECTL *prcl,
IN FLONG fl)
{
PPDEV ppdev = (PPDEV) pso->dhpdev;
ULONG returnedDataLength = 0;
if (ppdev->pPointerAttributes == NULL)
{
/* hw did not support hw mouse pointer, we try then with software */
return EngSetPointerShape(pso, psoMask, psoColor, pxlo, xHot, yHot, x, y, prcl, fl);
}
/* check see if the apps ask to hide the mouse or not */
if (psoMask == (SURFOBJ *) NULL)
{
if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_DISABLE_POINTER, NULL, 0, NULL, 0, &returnedDataLength))
{
/* no hw support found for the mouse we try then the software version */
return EngSetPointerShape(pso, psoMask, psoColor, pxlo, xHot, yHot, x, y, prcl, fl);
}
return TRUE;
}
/* set our hotspot */
ppdev->PointerHotSpot.x = xHot;
ppdev->PointerHotSpot.y = yHot;
/* Set the hw mouse shape */
if (psoColor != (SURFOBJ *) NULL)
{
/* We got a color mouse pointer */
if ((ppdev->PointerCapabilities.Flags & VIDEO_MODE_COLOR_POINTER) &&
(CopyColorPointer(ppdev, psoMask, psoColor, pxlo)) )
{
ppdev->pPointerAttributes->Flags |= VIDEO_MODE_COLOR_POINTER;
}
else
{
/* No color mouse pointer being set, so we need try the software version then */
if (ppdev->HwMouseActive)
{
ppdev->HwMouseActive = FALSE;
if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_DISABLE_POINTER, NULL, 0, NULL, 0, &returnedDataLength))
{
/* hw did not support hw mouse pointer, we try then with software */
return EngSetPointerShape(pso, psoMask, psoColor, pxlo, xHot, yHot, x, y, prcl, fl);
}
}
return SPS_DECLINE ;
}
}
else
{
/* We got a mono mouse pointer */
if ( (ppdev->PointerCapabilities.Flags & VIDEO_MODE_MONO_POINTER) &&
(CopyMonoPointer(ppdev, psoMask)))
{
ppdev->pPointerAttributes->Flags |= VIDEO_MODE_MONO_POINTER;
}
else
{
/* No mono mouse pointer being set, so we need try the software version then */
if (ppdev->HwMouseActive)
{
ppdev->HwMouseActive = FALSE;
if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_DISABLE_POINTER, NULL, 0, NULL, 0, &returnedDataLength))
{
/* hw did not support hw mouse pointer, we try then with software */
return EngSetPointerShape(pso, psoMask, psoColor, pxlo, xHot, yHot, x, y, prcl, fl);
}
}
return SPS_DECLINE ;
}
}
/* we goto hw mouse pointer then we contnue filling in more info */
/* calc the mouse point positions */
if ((x != -1) || (y != -1))
{
ppdev->pPointerAttributes->Column -= (SHORT)(ppdev->PointerHotSpot.x);
ppdev->pPointerAttributes->Row -= (SHORT)(ppdev->PointerHotSpot.y);
}
/* set correct flags if it animated or need be updated anime or no flags at all */
if (fl & SPS_ANIMATESTART)
{
ppdev->pPointerAttributes->Flags |= VIDEO_MODE_ANIMATE_START;
}
else if (fl & SPS_ANIMATEUPDATE)
{
ppdev->pPointerAttributes->Flags |= VIDEO_MODE_ANIMATE_UPDATE;
}
ppdev->pPointerAttributes->Enable = 1;
ppdev->pPointerAttributes->Column = (SHORT)(x);
ppdev->pPointerAttributes->Row = (SHORT)(y);
/* Set the new mouse pointer shape */
if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_SET_POINTER_ATTR, ppdev->pPointerAttributes,
ppdev->PointerAttributesSize, NULL, 0, &returnedDataLength))
{
/* no hw support found for the mouse we try then the software version */
return EngSetPointerShape(pso, psoMask, psoColor, pxlo, xHot, yHot, x, y, prcl, fl);
}
/* we got real hw support */
ppdev->HwMouseActive = TRUE;
return SPS_ACCEPT_NOEXCLUDE;
}
/* Internal api that are only use in DrvSetPointerShape */
BOOL
CopyColorPointer(PPDEV ppdev,
SURFOBJ *psoMask,
SURFOBJ *psoColor,
XLATEOBJ *pxlo)
{
/* FIXME unimplement */
return FALSE;
}
BOOL
CopyMonoPointer(PPDEV ppdev,
SURFOBJ *pso)
{
/* FIXME unimplement */
return FALSE;
}