reactos/drivers/video/displays/framebuf/pointer.c
Art Yerkes c501d8112c Create a branch for network fixes.
svn path=/branches/aicom-network-fixes/; revision=34994
2008-08-01 11:32:26 +00:00

370 lines
9.3 KiB
C

/*
* ReactOS Generic Framebuffer display driver
*
* Copyright (C) 2004 Filip Navara
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "framebuf.h"
#ifndef EXPERIMENTAL_MOUSE_CURSOR_SUPPORT
/*
* DrvSetPointerShape
*
* Sets the new pointer shape.
*
* Status
* @unimplemented
*/
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)
{
/* return SPS_DECLINE;*/
return EngSetPointerShape(pso, psoMask, psoColor, pxlo, xHot, yHot, x, y, prcl, fl);
}
/*
* DrvMovePointer
*
* Moves the pointer to a new position and ensures that GDI does not interfere
* with the display of the pointer.
*
* Status
* @unimplemented
*/
VOID APIENTRY
DrvMovePointer(
IN SURFOBJ *pso,
IN LONG x,
IN LONG y,
IN RECTL *prcl)
{
return EngMovePointer(pso, x, y, prcl);
}
#else
VOID FASTCALL
IntHideMousePointer(PPDEV ppdev, SURFOBJ *DestSurface)
{
if (ppdev->PointerAttributes.Enable == FALSE)
{
return;
}
ppdev->PointerAttributes.Enable = FALSE;
if (ppdev->PointerSaveSurface != NULL)
{
RECTL DestRect;
POINTL SrcPoint;
SURFOBJ *SaveSurface;
SURFOBJ *MaskSurface;
DestRect.left = max(ppdev->PointerAttributes.Column, 0);
DestRect.top = max(ppdev->PointerAttributes.Row, 0);
DestRect.right = min(
ppdev->PointerAttributes.Column + ppdev->PointerAttributes.Width,
ppdev->ScreenWidth - 1);
DestRect.bottom = min(
ppdev->PointerAttributes.Row + ppdev->PointerAttributes.Height,
ppdev->ScreenHeight - 1);
SrcPoint.x = max(-ppdev->PointerAttributes.Column, 0);
SrcPoint.y = max(-ppdev->PointerAttributes.Row, 0);
SaveSurface = EngLockSurface(ppdev->PointerSaveSurface);
MaskSurface = EngLockSurface(ppdev->PointerMaskSurface);
EngBitBlt(DestSurface, SaveSurface, MaskSurface, NULL, NULL,
&DestRect, &SrcPoint, &SrcPoint, NULL, NULL, SRCCOPY);
EngUnlockSurface(MaskSurface);
EngUnlockSurface(SaveSurface);
}
}
VOID FASTCALL
IntShowMousePointer(PPDEV ppdev, SURFOBJ *DestSurface)
{
if (ppdev->PointerAttributes.Enable == TRUE)
{
return;
}
ppdev->PointerAttributes.Enable = TRUE;
/*
* Copy the pixels under the cursor to temporary surface.
*/
if (ppdev->PointerSaveSurface != NULL)
{
RECTL DestRect;
POINTL SrcPoint;
SURFOBJ *SaveSurface;
SrcPoint.x = max(ppdev->PointerAttributes.Column, 0);
SrcPoint.y = max(ppdev->PointerAttributes.Row, 0);
DestRect.left = SrcPoint.x - ppdev->PointerAttributes.Column;
DestRect.top = SrcPoint.y - ppdev->PointerAttributes.Row;
DestRect.right = min(
ppdev->PointerAttributes.Width,
ppdev->ScreenWidth - ppdev->PointerAttributes.Column - 1);
DestRect.bottom = min(
ppdev->PointerAttributes.Height,
ppdev->ScreenHeight - ppdev->PointerAttributes.Row - 1);
SaveSurface = EngLockSurface(ppdev->PointerSaveSurface);
EngBitBlt(SaveSurface, DestSurface, NULL, NULL, NULL,
&DestRect, &SrcPoint, NULL, NULL, NULL, SRCCOPY);
EngUnlockSurface(SaveSurface);
}
/*
* Blit the cursor on the screen.
*/
{
RECTL DestRect;
POINTL SrcPoint;
SURFOBJ *ColorSurf;
SURFOBJ *MaskSurf;
DestRect.left = max(ppdev->PointerAttributes.Column, 0);
DestRect.top = max(ppdev->PointerAttributes.Row, 0);
DestRect.right = min(
ppdev->PointerAttributes.Column + ppdev->PointerAttributes.Width,
ppdev->ScreenWidth - 1);
DestRect.bottom = min(
ppdev->PointerAttributes.Row + ppdev->PointerAttributes.Height,
ppdev->ScreenHeight - 1);
SrcPoint.x = max(-ppdev->PointerAttributes.Column, 0);
SrcPoint.y = max(-ppdev->PointerAttributes.Row, 0);
MaskSurf = EngLockSurface(ppdev->PointerMaskSurface);
if (ppdev->PointerColorSurface != NULL)
{
ColorSurf = EngLockSurface(ppdev->PointerColorSurface);
EngBitBlt(DestSurface, ColorSurf, MaskSurf, NULL, ppdev->PointerXlateObject,
&DestRect, &SrcPoint, &SrcPoint, NULL, NULL, 0xAACC);
EngUnlockSurface(ColorSurf);
}
else
{
/* FIXME */
EngBitBlt(DestSurface, MaskSurf, NULL, NULL, ppdev->PointerXlateObject,
&DestRect, &SrcPoint, NULL, NULL, NULL, SRCAND);
SrcPoint.y += ppdev->PointerAttributes.Height;
EngBitBlt(DestSurface, MaskSurf, NULL, NULL, ppdev->PointerXlateObject,
&DestRect, &SrcPoint, NULL, NULL, NULL, SRCINVERT);
}
EngUnlockSurface(MaskSurf);
}
}
/*
* 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;
SURFOBJ *TempSurfObj;
IntHideMousePointer(ppdev, pso);
if (ppdev->PointerColorSurface != NULL)
{
/* FIXME: Is this really needed? */
TempSurfObj = EngLockSurface(ppdev->PointerColorSurface);
EngFreeMem(TempSurfObj->pvBits);
TempSurfObj->pvBits = 0;
EngUnlockSurface(TempSurfObj);
EngDeleteSurface(ppdev->PointerColorSurface);
ppdev->PointerMaskSurface = NULL;
}
if (ppdev->PointerMaskSurface != NULL)
{
/* FIXME: Is this really needed? */
TempSurfObj = EngLockSurface(ppdev->PointerMaskSurface);
EngFreeMem(TempSurfObj->pvBits);
TempSurfObj->pvBits = 0;
EngUnlockSurface(TempSurfObj);
EngDeleteSurface(ppdev->PointerMaskSurface);
ppdev->PointerMaskSurface = NULL;
}
if (ppdev->PointerSaveSurface != NULL)
{
EngDeleteSurface(ppdev->PointerSaveSurface);
ppdev->PointerSaveSurface = NULL;
}
/*
* See if we are being asked to hide the pointer.
*/
if (psoMask == NULL)
{
return SPS_ACCEPT_EXCLUDE;
}
ppdev->PointerHotSpot.x = xHot;
ppdev->PointerHotSpot.y = yHot;
ppdev->PointerXlateObject = pxlo;
ppdev->PointerAttributes.Column = x - xHot;
ppdev->PointerAttributes.Row = y - yHot;
ppdev->PointerAttributes.Width = psoMask->lDelta << 3;
ppdev->PointerAttributes.Height = (psoMask->cjBits / psoMask->lDelta) >> 1;
if (psoColor != NULL)
{
SIZEL Size;
PBYTE Bits;
Size.cx = ppdev->PointerAttributes.Width;
Size.cy = ppdev->PointerAttributes.Height;
Bits = EngAllocMem(0, psoColor->cjBits, ALLOC_TAG);
memcpy(Bits, psoColor->pvBits, psoColor->cjBits);
ppdev->PointerColorSurface = (HSURF)EngCreateBitmap(Size,
psoColor->lDelta, psoColor->iBitmapFormat, 0, Bits);
}
else
{
ppdev->PointerColorSurface = NULL;
}
if (psoMask != NULL)
{
SIZEL Size;
PBYTE Bits;
Size.cx = ppdev->PointerAttributes.Width;
Size.cy = ppdev->PointerAttributes.Height << 1;
Bits = EngAllocMem(0, psoMask->cjBits, ALLOC_TAG);
memcpy(Bits, psoMask->pvBits, psoMask->cjBits);
ppdev->PointerMaskSurface = (HSURF)EngCreateBitmap(Size,
psoMask->lDelta, psoMask->iBitmapFormat, 0, Bits);
}
else
{
ppdev->PointerMaskSurface = NULL;
}
/*
* Create surface for saving the pixels under the cursor.
*/
{
SIZEL Size;
LONG lDelta;
Size.cx = ppdev->PointerAttributes.Width;
Size.cy = ppdev->PointerAttributes.Height;
switch (pso->iBitmapFormat)
{
case BMF_8BPP: lDelta = Size.cx; break;
case BMF_16BPP: lDelta = Size.cx << 1; break;
case BMF_24BPP: lDelta = Size.cx * 3; break;
case BMF_32BPP: lDelta = Size.cx << 2; break;
}
ppdev->PointerSaveSurface = (HSURF)EngCreateBitmap(
Size, lDelta, pso->iBitmapFormat, BMF_NOZEROINIT, NULL);
}
IntShowMousePointer(ppdev, pso);
return SPS_ACCEPT_EXCLUDE;
}
/*
* 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;
BOOL WasVisible;
WasVisible = ppdev->PointerAttributes.Enable;
if (WasVisible)
{
IntHideMousePointer(ppdev, pso);
}
if (x == -1)
{
return;
}
ppdev->PointerAttributes.Column = x - ppdev->PointerHotSpot.x;
ppdev->PointerAttributes.Row = y - ppdev->PointerHotSpot.y;
if (WasVisible)
{
IntShowMousePointer(ppdev, pso);
}
}
#endif