--******************************************************************************
--*                                                                            *
--*  File:        TkLua_00.lua                          Revision:  1.0         *
--*                                                                            *
--*  Purpose:     first experiments with TkLua 4.0                             *
--*                                                                            *
--*  Creation:    28.02.2002                   Last Modification:  28.02.2002  *
--*                                                                            *
--*  Platform:    IBM-compatible PC running Windows 98SE                       *
--*                                                                            *
--*  Environment: Lua 4.0, TkLua 4.0                                           *
--*                                                                            *
--*  Author:      Andreas Rozek           Phone:  ++49 (711) 6770682           *
--*               Kirschblütenweg 15      Fax:    -                            *
--*             D-70569 Stuttgart         EMail:  Andreas.Rozek@T-Online.De    *
--*               Germany                                                      *
--*                                                                            *
--*  URL:         http://www.Andreas-Rozek.de/                                 *
--*                                                                            *
--*  Copyright:   the software is published under the "GNU Lesser General Pub- *
--*               lic  License" (see "http://www.fsf.org/copyleft/lesser.html" *
--*               for additional information)                                  *
--*                                                                            *
--*  Comments:    (none)                                                       *
--*                                                                            *
--******************************************************************************

  local Icon     = "./Lua.gif";-- specifying the file name is already sufficient
  local Title    = "TkLua_00";
  local Subtitle = "first experiments with TkLua 4.0";
  local Status   = "(no special action required)";

--**** define window components ****

  local IconLabel      = tklabel{image=Icon, anchor="center", width=32, height=32};
  local TitleLabel     = tklabel{Title;      anchor="e", font="-*-helvetica-bold-o-*--16"};
  local SubtitleLabel  = tklabel{Subtitle;   anchor="e", font="-*-helvetica-bold-r-*--12"};
  local UpperSeparator = tkframe{relief="sunken", borderwidth=2,            height=2};
  local Placeholder    = tkframe{relief="sunken", borderwidth=2, width=320, height=240, background="darkgray"};
  local LowerSeparator = tkframe{relief="sunken", borderwidth=2,            height=2};
  local StatusBar      = tklabel{Status;     anchor="w", font="-*-helvetica-medium-r-*--11"};

--**** construct application window ****

  local MainWindow = tkmain{
    tkframe{
      IconLabel,     {side="left"},
      TitleLabel,    {side="top", fill="x"},
      SubtitleLabel, {side="top", fill="x"}
    },               {side="top", fill="x"},
    UpperSeparator,  {side="top", fill="x"},
    Placeholder,     {side="top", fill="both", expand=1, pady=2},
    LowerSeparator,  {side="top", fill="x"},
    StatusBar,       {side="top", fill="x"}
  };

--**** display application window ****

  MainWindow:title(Title.." - "..Subtitle);
  MainWindow:show();                            -- also triggers a window layout
--MainWindow:resizable(0,0);                     -- disables window size changes
--MainWindow:raise();                   -- brings the window into the foreground

--**** provide an explicit method to terminate this program! ****

  MainWindow:protocol("WM_DELETE_WINDOW", "print('done...'); tkexit()");