pointer.c File Reference

#include "framebufacc.h"

Include dependency graph for pointer.c:

Go to the source code of this file.

Functions
VOID APIENTRY	DrvMovePointer (IN SURFOBJ *pso, IN LONG x, IN LONG y, IN RECTL *prcl)
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)
BOOL	CopyColorPointer (PPDEV ppdev, SURFOBJ *psoMask, SURFOBJ *psoColor, XLATEOBJ *pxlo)
BOOL	CopyMonoPointer (PPDEV ppdev, SURFOBJ *pso)

Function Documentation

CopyColorPointer()

BOOL CopyColorPointer	(	PPDEV	ppdev,
		SURFOBJ *	psoMask,
		SURFOBJ *	psoColor,
		XLATEOBJ *	pxlo
	)

Definition at line 209 of file pointer.c.

{
    /* FIXME unimplement */
    return FALSE;
}

Referenced by DrvSetPointerShape().

CopyMonoPointer()

BOOL CopyMonoPointer	(	PPDEV	ppdev,
		SURFOBJ *	pso
	)

Definition at line 219 of file pointer.c.

{
    /* FIXME unimplement */
    return FALSE;
}

Referenced by DrvSetPointerShape().

DrvMovePointer()

VOID APIENTRY DrvMovePointer	(	IN SURFOBJ *	pso,
		IN LONG	x,
		IN LONG	y,
		IN RECTL *	prcl
	)

Definition at line 36 of file pointer.c.

{
    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()

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
	)

Definition at line 83 of file pointer.c.

{
    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;
}