rom/intuition/setpointerbounds.c

   1 /*
   2     Copyright © 1995-2006, The AROS Development Team. All rights reserved.
   3
   4 */
   5
   6 #include "intuition_intern.h"
   7 #include "inputhandler.h"
   8
   9 AROS_LH4(ULONG, SetPointerBounds,
  10          /*  SYNOPSIS */
  11          AROS_LHA(struct Screen    *, screen  , A0),
  12          AROS_LHA(struct Rectangle *, rect    , A1),
  13          AROS_LHA(ULONG             , reserved, D0),
  14          AROS_LHA(struct TagItem   *, tags    , A2),
  15          /*  LOCATION */
  16          struct IntuitionBase *, IntuitionBase, 160, Intuition)
  17
  18 {
  19     AROS_LIBFUNC_INIT
  20     AROS_LIBBASE_EXT_DECL(struct IntuitionBase *,IntuitionBase)
  21
  22     struct IIHData *iihd = (struct IIHData *)GetPrivIBase(IntuitionBase)->InputHandler->is_Data;
  23
  24     (void)screen;
  25     (void)reserved;
  26
  27     ObtainSemaphore(&GetPrivIBase(IntuitionBase)->InputHandlerLock);
  28     if (!iihd->MouseBoundsActiveFlag)
  29     {
  30         if (rect)
  31         {
  32             iihd->MouseBoundsActiveFlag = TRUE;
  33             iihd->MouseBoundsKillTimer  = 5; /* 1 sec */
  34             iihd->MouseBoundsLeft       = rect->MinX;
  35             iihd->MouseBoundsTop        = rect->MinY;
  36             iihd->MouseBoundsRight      = rect->MaxX;
  37             iihd->MouseBoundsBottom     = rect->MaxY;
  38         }
  39     }
  40     else if (iihd->MouseBoundsKillTimer)
  41     {
  42         if (rect)
  43         {
  44             /* Reset timer */
  45             iihd->MouseBoundsKillTimer  = 5; /* 1 sec */
  46             iihd->MouseBoundsLeft       = rect->MinX;
  47             iihd->MouseBoundsTop        = rect->MinY;
  48             iihd->MouseBoundsRight      = rect->MaxX;
  49             iihd->MouseBoundsBottom     = rect->MaxY;
  50         }
  51         else
  52         {
  53             iihd->MouseBoundsKillTimer = 0;
  54             iihd->MouseBoundsActiveFlag = FALSE;
  55         }
  56     }
  57
  58     ReleaseSemaphore(&GetPrivIBase(IntuitionBase)->InputHandlerLock);
  59
  60     return 0;
  61
  62     AROS_LIBFUNC_EXIT
  63 }