rom/intuition/iswindowvisible.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     Copyright © 2001-2003, The MorphOS Development Team. All Rights Reserved.
   4     $Id$
   5 */
   6
   7 #include "intuition_intern.h"
   8
   9 /*****************************************************************************
  10
  11     NAME */
  12 #include <proto/intuition.h>
  13 #include <proto/layers.h>
  14
  15         AROS_LH1(LONG, IsWindowVisible,
  16
  17 /*  SYNOPSIS */
  18         AROS_LHA(struct Window *, window, A0),
  19
  20 /*  LOCATION */
  21         struct IntuitionBase *, IntuitionBase, 139, Intuition)
  22
  23 /*  FUNCTION
  24         Check whether a window is visible or not. This does not
  25         check whether the window is within the visible area of
  26         the screen but rather whether it is in visible state.
  27
  28     INPUTS
  29         window - The window to affect.
  30
  31     RESULT
  32         TRUE if window is currently visible, FALSE otherwise.
  33
  34     NOTES
  35         This function is also present in MorphOS v50, however
  36         considered private.
  37
  38     EXAMPLE
  39
  40     BUGS
  41
  42     SEE ALSO
  43
  44     INTERNALS
  45
  46 *****************************************************************************/
  47 {
  48     AROS_LIBFUNC_INIT
  49
  50     struct LayersBase *LayersBase = GetPrivIBase(IntuitionBase)->LayersBase;
  51
  52     SANITY_CHECKR(window,FALSE)
  53
  54     return IsLayerVisible(WLAYER(window));
  55
  56     AROS_LIBFUNC_EXIT
  57 } /* IsWindowVisible */