-module(ex4).
-copyright('Copyright (c) 1991-97 Ericsson Telecom AB').
-vsn('$Revision: /main/release/2 $ ').
-export([init/0]).
init() ->
S = gs:start(),
gs:create(window,win1,S,[{width,300},{height,200}]),
gs:create(button,b1,win1,[{label, {text,"Button1"}},{y,0}]),
gs:create(button,b2,win1,[{label, {text,"Button2"}},{y,40}]),
gs:config(win1, {map,true}),
loop(). %% look, no args!
loop() ->
receive
{gs,b1,click,_,_} -> % button 1 pressed
io:format("Button 1 pressed!~n",[]),
loop();
{gs,b2,click,_,_} -> % button 2 pressed
io:format("Button 2 pressed!~n",[]),
loop()
end.