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

   1 /*
   2  * ReactOS Generic Framebuffer display driver
   3  *
   4  * Copyright (C) 2007 Magnus Olsen
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  */
  20
  21 #include "framebuf_acc.h"
  22
  23
  24 /*
  25  * DrvMovePointer
  26  *
  27  * Moves the pointer to a new position and ensures that GDI does not interfere
  28  * with the display of the pointer.
  29  *
  30  * Status
  31  *    @implemented
  32  */
  33
  34 VOID APIENTRY
  35 DrvMovePointer(IN SURFOBJ *pso,
  36                IN LONG x,
  37                IN LONG y,
  38                IN RECTL *prcl)
  39 {
  40     PPDEV ppdev = (PPDEV) pso->dhpdev;
  41     DWORD returnedDataLength;
  42     VIDEO_POINTER_POSITION NewPointerPosition;
  43
  44     x -= ppdev->ScreenOffsetXY.x;
  45     y -= ppdev->ScreenOffsetXY.y;
  46
  47     /* position of (-1,-1) hide the pointer */
  48     if ((x == -1) || (y == -1))
  49     {
  50         if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_DISABLE_POINTER, NULL, 0, NULL, 0, &returnedDataLength))
  51         {
  52             /* hw did not disable the mouse, we try then with software */
  53             EngMovePointer(pso, x, y, prcl);
  54         }
  55     }
  56     else
  57     {
  58         /* Calc the mouse positions and set it to the new positions */
  59         NewPointerPosition.Column = (SHORT) x - (SHORT) (ppdev->PointerHotSpot.x);
  60         NewPointerPosition.Row    = (SHORT) y - (SHORT) (ppdev->PointerHotSpot.y);
  61
  62         if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_SET_POINTER_POSITION, &NewPointerPosition,
  63                                sizeof(VIDEO_POINTER_POSITION), NULL, 0, &returnedDataLength))
  64         {
  65             /* hw did not disable the mouse, we try then with software */
  66             EngMovePointer(pso, x, y, prcl);
  67         }
  68     }
  69 }
  70
  71
  72 /*
  73  * DrvSetPointerShape
  74  *
  75  * Sets the new pointer shape.
  76  *
  77  * Status
  78  *    @unimplemented
  79  */
  80
  81 ULONG APIENTRY
  82 DrvSetPointerShape(
  83    IN SURFOBJ *pso,
  84    IN SURFOBJ *psoMask,
  85    IN SURFOBJ *psoColor,
  86    IN XLATEOBJ *pxlo,
  87    IN LONG xHot,
  88    IN LONG yHot,
  89    IN LONG x,
  90    IN LONG y,
  91    IN RECTL *prcl,
  92    IN FLONG fl)
  93 {
  94 /*   return SPS_DECLINE;*/
  95    return EngSetPointerShape(pso, psoMask, psoColor, pxlo, xHot, yHot, x, y, prcl, fl);
  96 }
  97
  98
  99
 100