%% %% %CopyrightBegin% %% %% Copyright Ericsson AB 2009. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in %% compliance with the License. You should have received a copy of the %% Erlang Public License along with this software. If not, it can be %% retrieved online at http://www.erlang.org/. %% %% Software distributed under the License is distributed on an "AS IS" %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See %% the License for the specific language governing rights and limitations %% under the License. %% %% %CopyrightEnd% %% %%%------------------------------------------------------------------- %%% File : hello.erl %%% Author : Matthew Harrison %%% Description : _really_ minimal example of a wxerlang app %%% implemented with wx_object behaviour %%% %%% Created : 18 Sep 2008 by Matthew Harrison %%% Dan rewrote it to show wx_object behaviour %%%------------------------------------------------------------------- -module(hello2). -include_lib("wx/include/wx.hrl"). -export([start/0]). -compile(export_all). -behavoiur(wx_object). -record(state, {win}). start() -> wx_object:start_link(?MODULE, [], []). %% Init is called in the new process. init([]) -> wx:new(), Frame = wxFrame:new(wx:null(), -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!",[]), wxWindow:show(Frame), {Frame, #state{win=Frame}}. %% Handled as in normal gen_server callbacks handle_info(Msg, State) -> io:format("Got Info ~p~n",[Msg]), {noreply,State}. handle_call(Msg, _From, State) -> io:format("Got Call ~p~n",[Msg]), {reply,ok,State}. %% Async Events are handled in handle_event as in handle_info handle_event(#wx{event=#wxClose{}}, State = #state{win=Frame}) -> io:format("~p Closing window ~n",[self()]), ok = wxFrame:setStatusText(Frame, "Closing...",[]), wxWindow:destroy(Frame), {stop, normal, State}. code_change(_, _, State) -> {stop, not_yet_implemented, State}. terminate(_Reason, _State) -> ok.