The R13B03 release.OTP_R13B03

1 files changed, 81 insertions, 0 deletions

diff --git a/lib/wx/examples/simple/hello2.erl b/lib/wx/examples/simple/hello2.erl
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+++ b/lib/wx/examples/simple/hello2.erl
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+%%
+%% %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 <harryhuk at users.sourceforge.net>
+%%% Description : _really_ minimal example of a wxerlang app
+%%%               implemented with wx_object behaviour
+%%%
+%%% Created :  18 Sep 2008 by  Matthew Harrison <harryhuk at users.sourceforge.net>
+%%%            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.
+