%%
%% %CopyrightBegin%
%% 
%% Copyright Ericsson AB 2009-2016. All Rights Reserved.
%% 
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%%     http://www.apache.org/licenses/LICENSE-2.0
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%% %CopyrightEnd%
%%
%%%-------------------------------------------------------------------
%%% File    : hello.erl
%%% Author  : Matthew Harrison <harryhuk at users.sourceforge.net>
%%% Description : _really_ minimal example of a wxerlang app
%%%
%%% Created :  18 Sep 2008 by  Matthew Harrison <harryhuk at users.sourceforge.net>
%%%-------------------------------------------------------------------
-module(hello).

-include_lib("wx/include/wx.hrl").

-export([start/0]).

start() ->
    Wx = wx:new(),
    Frame = wx:batch(fun() -> create_window(Wx) end),
    wxWindow:show(Frame),
    loop(Frame),
    wx:destroy(),
    ok.

create_window(Wx) ->
    Frame = wxFrame:new(Wx, 
			-1, % window id
			"Hello World", % window title
			[{size, {600,400}}]),


    wxFrame:createStatusBar(Frame,[]),

    %% if we don't handle this ourselves, wxwidgets will close the window
    %% when the user clicks the frame's close button, but the event loop still runs
    wxFrame:connect(Frame, close_window),

    ok = wxFrame:setStatusText(Frame, "Hello World!",[]),
    Frame.

loop(Frame) ->
    receive 
   	#wx{event=#wxClose{}} ->
   	    io:format("~p Closing window ~n",[self()]),
   	    ok = wxFrame:setStatusText(Frame, "Closing...",[]),
	    wxWindow:destroy(Frame),
	    ok;
	Msg ->
	    io:format("Got ~p ~n", [Msg]),
	    loop(Frame)
    end.