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