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%%
%% %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
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
-module(ex_popupMenu).
-behaviour(wx_object).
%% Client API
-export([start/1]).
%% wx_object callbacks
-export([init/1, terminate/2, code_change/3,
handle_info/2, handle_call/3, handle_cast/2, handle_event/2]).
-include_lib("wx/include/wx.hrl").
-record(state,
{
parent,
config,
menu
}).
start(Config) ->
wx_object:start_link(?MODULE, Config, []).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
init(Config) ->
wx:batch(fun() -> do_init(Config) end).
do_init(Config) ->
Root = proplists:get_value(parent, Config),
Parent = wxPanel:new(Root,[]),
MainSizer = wxBoxSizer:new(?wxVERTICAL),
Box = wxStaticBox:new(Parent, ?wxID_ANY, "Popup Menu"),
Sz = wxStaticBoxSizer:new(Box, ?wxVERTICAL),
Text = wxStaticText:new(Parent, ?wxID_ANY, "Right click to open popup menu", []),
Panel = wxPanel:new(Parent),
wxPanel:connect(Panel, right_up),
Sizer = wxBoxSizer:new(?wxVERTICAL),
wxSizer:add(Sizer, Text, [{border, 20}, {flag, ?wxALL}]),
wxPanel:setSizer(Panel, Sizer),
wxSizer:add(Sz, Panel, [{proportion,1}, {flag, ?wxEXPAND}]),
wxSizer:layout(Sz),
PopupMenu = create_menu(),
wxSizer:add(MainSizer, Sz, [{proportion,1}, {flag, ?wxEXPAND}]),
wxWindow:setSizer(Parent, MainSizer),
{Parent, #state{parent=Parent, config=Config, menu=PopupMenu}}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Async Events are handled in handle_event as in handle_info
handle_event(#wx{obj = Panel,
event = #wxMouse{type = right_up}},
State = #state{menu = Menu}) ->
%% Open the popup menu
wxWindow:popupMenu(Panel, Menu),
{noreply, State};
handle_event(#wx{obj = Menu, id = Id,
event = #wxCommand{type = command_menu_selected}},
State = #state{}) ->
%% Get the selected item label
Label = wxMenu:getLabel(Menu, Id),
demo:format(State#state.config, "wxMenu clicked ~p\n", [Label]),
{noreply, State};
handle_event(Ev, State) ->
demo:format(State#state.config, "Unexpected Event ~p\n", [Ev]),
{noreply, State}.
%% Callbacks handled as normal gen_server callbacks
handle_info(Msg, State) ->
demo:format(State#state.config, "Got Info ~p\n", [Msg]),
{noreply, State}.
handle_call(shutdown, _From, State=#state{parent=Panel}) ->
wxPanel:destroy(Panel),
{stop, normal, ok, State};
handle_call(Msg, _From, State) ->
demo:format(State#state.config, "Got Call ~p\n", [Msg]),
{reply,{error, nyi}, State}.
handle_cast(Msg, State) ->
io:format("Got cast ~p~n",[Msg]),
{noreply,State}.
code_change(_, _, State) ->
{stop, ignore, State}.
terminate(_Reason, #state{menu=Popup}) ->
wxMenu:destroy(Popup),
ok.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Local functions
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
create_menu() ->
Menu = wxMenu:new([]),
SubMenu = wxMenu:new([]),
SubMenu2 = wxMenu:new([]),
wxMenu:append(Menu, ?wxID_UNDO, "Undo", []),
wxMenu:append(Menu, ?wxID_REDO, "Redo", []),
wxMenu:append(Menu, ?wxID_HELP, "Help", []),
wxMenu:appendSeparator(Menu),
wxMenu:appendCheckItem(Menu, ?wxID_ANY, "Check item", []),
wxMenu:appendSeparator(Menu),
wxMenu:appendRadioItem(Menu, ?wxID_ANY, "Radio item 1", []),
wxMenu:appendRadioItem(Menu, ?wxID_ANY, "Radio item 2", []),
wxMenu:appendRadioItem(Menu, ?wxID_ANY, "Radio item 3", []),
wxMenu:appendRadioItem(Menu, ?wxID_ANY, "Radio item 4", []),
wxMenu:appendSeparator(Menu),
wxMenuItem:enable(wxMenu:append(Menu, ?wxID_ANY, "Disabled", []), [{enable,false}]),
wxMenu:appendSeparator(Menu),
wxMenu:append(SubMenu, ?wxID_ABOUT, "About", []),
wxMenu:append(SubMenu, ?wxID_ANY, "Sub Item2", []),
wxMenu:append(SubMenu, ?wxID_SAVE, "Save", []),
wxMenu:break(SubMenu),
wxMenu:append(SubMenu, ?wxID_EXIT, "Exit", []),
wxMenu:append(SubMenu, ?wxID_OPEN, "Open", []),
wxMenu:append(SubMenu, ?wxID_NEW, "New", []),
wxMenu:append(Menu, ?wxID_ANY, "Sub menu", SubMenu, []),
wxMenu:appendCheckItem(SubMenu2, ?wxID_ANY, "Check Item", []),
wxMenu:appendSeparator(SubMenu2),
wxMenu:append(SubMenu2, ?wxID_CLEAR, "Clear", []),
wxMenu:append(SubMenu2, ?wxID_ANY, "Sub Item", []),
Bitmap = wxArtProvider:getBitmap("wxART_NEW"),
AnotherSubMenu = wxMenuItem:new([{parentMenu, Menu},
{id, ?wxID_ANY},
{text, "Another sub menu"},
{subMenu, SubMenu2},
{kind, ?wxITEM_NORMAL}]),
wxMenuItem:setBitmap(AnotherSubMenu, Bitmap),
wxMenu:append(Menu, AnotherSubMenu),
wxMenu:connect(Menu, command_menu_selected),
wxMenu:connect(SubMenu, command_menu_selected),
wxMenu:connect(SubMenu2, command_menu_selected),
Menu.
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