rom/intuition/iswindowvisible.c

   1 /*
   2     Copyright © 1995-2011, 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
  29     INPUTS
  30     window - The window to affect.
  31
  32     RESULT
  33         TRUE if window is currently visible, FALSE otherwise.
  34
  35     NOTES
  36
  37     EXAMPLE
  38
  39     BUGS
  40
  41     SEE ALSO
  42
  43     INTERNALS
  44
  45     HISTORY
  46
  47 *****************************************************************************/
  48 {
  49     AROS_LIBFUNC_INIT
  50
  51     struct LayersBase *LayersBase = GetPrivIBase(IntuitionBase)->LayersBase;
  52
  53     SANITY_CHECKR(window,FALSE)
  54
  55     return IsLayerVisible(WLAYER(window));
  56
  57     AROS_LIBFUNC_EXIT
  58 } /* IsWindowVisible */