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%% Copyright Ericsson AB 2009. All Rights Reserved.
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%% The contents of this file are subject to the Erlang Public License,
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%% Version 1.1, (the "License"); you may not use this file except in
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%% compliance with the License. You should have received a copy of the
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%% Erlang Public License along with this software. If not, it can be
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%% retrieved online at http://www.erlang.org/.
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%% Software distributed under the License is distributed on an "AS IS"
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%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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%% the License for the specific language governing rights and limitations
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%% This is example of the widgets and usage of wxErlang
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%% Hopefully it will contain all implemented widgets, it's event handling
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%% and some tutorials of how to use sizers and other stuff.
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-include_lib("wx/include/wx.hrl").
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-behavoiur(wx_object).
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-export([start/1, init/1, terminate/2, code_change/3,
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handle_info/2, handle_call/3, handle_event/2]).
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wx_object:start_link(?MODULE, Config, []).
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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wx:batch(fun() -> do_init(Config) end).
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Parent = proplists:get_value(parent, Config),
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Panel = wxScrolledWindow:new(Parent),
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Sz = wxBoxSizer:new(?wxVERTICAL),
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SzFlags = [{proportion, 0}, {border, 4}, {flag, ?wxALL}],
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Expand = [{proportion, 0}, {border, 4}, {flag, ?wxALL bor ?wxEXPAND}],
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ButtSz = wxStaticBoxSizer:new(?wxHORIZONTAL, Panel,
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[{label, "wxButton"}]),
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B10 = wxButton:new(Panel, 10, [{label,"Normal"}]),
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wxButton:setToolTip(B10, "Normal button with (default) centered label"),
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B11 = wxToggleButton:new(Panel, 11, "Toggle Button"),
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wxToggleButton:connect(B11, command_togglebutton_clicked),
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wxButton:setToolTip(B11, "A toggle button"),
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B12 = wxButton:new(Panel, 12, [{label,"Default"}]),
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wxButton:setDefault(B12),
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wxButton:setToolTip(B12, "Normal button set to be the default button"),
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B13 = wxButton:new(Panel, 13, [{label,"Disabled"}]),
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wxButton:disable(B13),
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wxButton:setToolTip(B13, "Disabled Normal button"),
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B14 = wxBitmapButton:new(Panel, 14, create_bitmap("A bitmap button")),
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wxButton:setToolTip(B14, "A Bitmap button"),
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[wxSizer:add(ButtSz, Button, SzFlags) || Button <- [B10, B11, B12, B13, B14]],
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%% Alignment and NO_BORDER only works on Win and GTK according to docs.
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AlignSz = wxStaticBoxSizer:new(?wxHORIZONTAL, Panel,
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[{label, "Alignment Style"}]),
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B20 = wxButton:new(Panel, 20, [{label,"Left Aligned"}, {size, {100, -1}},
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wxButton:setToolTip(B20, "Normal button with left aligned label"),
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B21 = wxButton:new(Panel, 21, [{label,"Top Aligned"}, {size, {-1, 50}},
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wxButton:setToolTip(B21, "Normal button with top aligned label"),
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B22 = wxButton:new(Panel, 22, [{label,"Lower Right Aligned"}, {size, {150, 50}},
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{style,?wxBU_BOTTOM bor ?wxBU_RIGHT}]),
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wxButton:setToolTip(B22, "Normal button with top right aligned label"),
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[wxSizer:add(AlignSz, Button, SzFlags) || Button <- [B20,B21,B22]],
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OtherSz = wxStaticBoxSizer:new(?wxHORIZONTAL, Panel,
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[{label, "Other Styles"}]),
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B30 = wxButton:new(Panel, 30, [{label,"Flat Style"}, {style, ?wxNO_BORDER}]),
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wxButton:setToolTip(B30, "Flat style button, on some OS'es"),
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B31 = wxButton:new(Panel, 31, [{label,"Exact Fit"}, {style, ?wxBU_EXACTFIT}]),
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wxButton:setToolTip(B31, "Minimal Size button"),
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[wxSizer:add(OtherSz, Button, SzFlags) || Button <- [B30,B31]],
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StockTopSz = wxStaticBoxSizer:new(?wxHORIZONTAL, Panel,
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[{label, "Stock Buttons"}]),
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StockButts = [wxButton:new(Panel, Id) || Id <- stock_buttons()],
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StockSz = wxGridSizer:new(0,5,3,3),
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[wxSizer:add(StockSz, Butt, SzFlags) || Butt <- StockButts],
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wxSizer:add(StockTopSz, StockSz, SzFlags),
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[wxSizer:add(Sz, Button, Flag) ||
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{Button, Flag} <- [{ButtSz,SzFlags},{AlignSz,Expand},
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{OtherSz,Expand}, {StockTopSz, Expand}]],
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wxWindow:connect(Panel, command_button_clicked),
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wxWindow:setSizer(Panel, Sz),
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wxScrolledWindow:setScrollRate(Panel, 5, 5),
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{Panel, #state{parent=Panel, config=Config}}.
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?wxID_JUSTIFY_CENTER,
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?wxID_REVERT_TO_SAVED,
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%% Async Events are handled in handle_event as in handle_info
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handle_event(#wx{id=Id, event=#wxCommand{type=command_button_clicked}},
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State = #state{parent=Parent}) ->
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B0 = wxWindow:findWindowById(Id, [{parent, Parent}]),
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Butt = wx:typeCast(B0, wxButton),
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Label = wxButton:getLabel(Butt),
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demo:format(State#state.config,"Button: \'~ts\' clicked~n",[Label]),
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handle_event(#wx{event=#wxCommand{type=command_togglebutton_clicked}},
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demo:format(State#state.config,"Button: You toggled the 'Toggle button' ~n",[]),
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handle_event(Ev = #wx{}, State = #state{}) ->
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demo:format(State#state.config,"Got Event ~p~n",[Ev]),
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%% Callbacks handled as normal gen_server callbacks
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handle_info(Msg, State) ->
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demo:format(State#state.config, "Got Info ~p~n",[Msg]),
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handle_call(Msg, _From, State) ->
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demo:format(State#state.config,"Got Call ~p~n",[Msg]),
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code_change(_, _, State) ->
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{stop, ignore, State}.
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terminate(_Reason, _State) ->
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%%%%% a copy from wxwidgets samples.
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create_bitmap(Label) ->
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Bmp = wxBitmap:new(140, 30),
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DC = wxMemoryDC:new(),
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wxMemoryDC:selectObject(DC, Bmp),
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wxDC:setBackground(DC, ?wxWHITE_BRUSH),
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wxDC:setTextForeground(DC, ?wxBLUE),
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wxDC:drawLabel(DC, Label, {5,5,130,20}, [{alignment, ?wxALIGN_CENTER}]),
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wxMemoryDC:destroy(DC),
added
removed
lib/wx/examples/demo/ex_button.erl
