-module(ex13).
-copyright('Copyright (c) 1991-97 Ericsson Telecom AB').
-vsn('$Revision: /main/release/2 $ ').
-export([start/0,init/0]).
start() -> spawn(ex13, init, []).
init() ->
I=gs:start(),
Win=gs:window(I, [{width,200},{height,100},
{title,"menu"},{map, true}]),
Bar = gs:create(menubar, Win, []),
Fmb = gs:create(menubutton, Bar,
[{label,{text,"File"}}]),
Emb = gs:create(menubutton, Bar,
[{label,{text,"Edit"}}]),
Hmb = gs:create(menubutton, Bar,
[{label,{text,"Help"}},{side,right}]),
Fmnu = gs:create(menu, Fmb, []),
Emnu = gs:create(menu, Emb, []),
Hmnu = gs:create(menu, Hmb, []),
gs:create(menuitem, load, Fmnu,
[{label,{text, "Load"}}]),
gs:create(menuitem, save, Fmnu,
[{label,{text, "Save"}}]),
Exit = gs:create(menuitem, Fmnu,
[{label,{text, "Exit"}}]),
Color = gs:create(menuitem, Emnu,
[{label,{text, "Color"}},
{itemtype, cascade}]),
Cmnu = gs:create(menu, Color, [{disabledfg,gray}]),
gs:create(menuitem, Cmnu, [{label, {text,"Red"}},
{data, {new_color, red}},
{itemtype,radio},{group,gr1}]),
gs:create(menuitem, Cmnu, [{label, {text,"Blue"}},
{data, {new_color, blue}},
{itemtype,radio},{group,gr1}]),
gs:create(menuitem,Cmnu, [{label, {text,"Black"}},
{data, {new_color, black}},
{itemtype,radio},{group,gr1}]),
Y = gs:create(menuitem, Hmnu, [{label, {text,"You"}},
{itemtype, check}]),
M = gs:create(menuitem, me, Hmnu, [{label, {text, "Me"}},
{itemtype, check}]),
gs:create(menuitem, Hmnu, [{itemtype, separator}]),
gs:create(menuitem, Hmnu, [{label, {text, "Other"}},
{itemtype, check},
{enable,false}]),
gs:create(menuitem, doit, Hmnu, [{label, {text, "Doit!"}},
{data, {doit, Y, M}}]),
loop(Exit, Win).
loop(Exit, Win) ->
receive
{gs, save, click, _Data, [Txt, Index | Rest]} ->
io:format("Save~n");
{gs, load, click, _Data, [Txt, Index | Rest]} ->
io:format("Load~n");
{gs, Exit, click, _Data, [Txt, Index | Rest]} ->
io:format("Exit~n"),
exit(normal);
{gs, _MnuItem, click, {new_color, Color}, Args} ->
io:format("Change color to ~w. Args:~p~n",
[Color, Args]),
gs:config(Win, [{bg, Color}]);
{gs, doit, click, {doit, YouId, MeId}, Args} ->
HelpMe = gs:read(MeId, select),
HelpYou = gs:read(YouId, select),
io:format("Doit. HelpMe:~w, HelpYou:~w, Args:~p~n",
[HelpMe, HelpYou, Args]);
Other -> io:format("Other:~p~n",[Other])
end,
loop(Exit, Win).