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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/wx/examples/demo/ex_cursor.erl
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The R13B03 release.OTP_R13B03
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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%
+
+-module(ex_cursor).
+
+-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_event/2]).
+
+-include_lib("wx/include/wx.hrl").
+
+-record(state,
+ {
+ parent,
+ config,
+ cursors,
+ win
+ }).
+
+start(Config) ->
+ wx_object:start_link(?MODULE, Config, []).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+init(Config) ->
+ wx:batch(fun() -> do_init(Config) end).
+
+do_init(Config) ->
+ Parent = proplists:get_value(parent, Config),
+ Panel = wxScrolledWindow:new(Parent, []),
+
+ %% Setup sizers
+ MainSizer = wxBoxSizer:new(?wxVERTICAL),
+ MiscSizer = wxStaticBoxSizer:new(?wxVERTICAL, Panel,
+ [{label, "Misc"}]),
+ StaticBoxSizer = wxStaticBoxSizer:new(?wxHORIZONTAL, Panel,
+ [{label, "Test the cursor here"}]),
+ CursorSizer = wxBoxSizer:new(?wxHORIZONTAL),
+
+ CursorLabels = [Cursor || {Cursor, _} <- cursors()],
+ StockCursors = wxRadioBox:new(Panel, ?wxID_ANY, "Stock cursors",
+ ?wxDefaultPosition,
+ ?wxDefaultSize, CursorLabels,
+ [{majorDim, 2},
+ {style, ?wxHORIZONTAL}]),
+
+ Fun = fun(Item, Int) ->
+ CursorId = proplists:get_value(Item, cursors()),
+ Cursor = wxCursor:new(CursorId),
+ case wxCursor:ok(Cursor) of
+ true ->
+ ok;
+ false ->
+ wxRadioBox:enable(StockCursors, Int, [{enable, false}])
+ end,
+ Int+1
+ end,
+ wx:foldl(Fun,0, CursorLabels),
+
+
+
+
+ Win = wxWindow:new(Panel, ?wxID_ANY, [{size, {300,300}}]),
+
+ ToggleButton = wxToggleButton:new(Panel, ?wxID_ANY, "Begin busy cursor", []),
+
+ %% Add to sizers
+ wxSizer:add(CursorSizer, StockCursors),
+ wxSizer:add(StaticBoxSizer, Win),
+ wxSizer:add(CursorSizer, StaticBoxSizer),
+ wxSizer:add(MiscSizer, ToggleButton),
+
+ wxSizer:add(MainSizer, CursorSizer),
+ wxSizer:add(MainSizer, MiscSizer),
+
+ wxToggleButton:connect(ToggleButton, command_togglebutton_clicked, []),
+ wxRadioBox:connect(StockCursors, command_radiobox_selected, []),
+ wxScrolledWindow:setScrollRate(Panel, 5,5),
+ wxPanel:setSizer(Panel, MainSizer),
+ {Panel, #state{parent=Panel, config=Config,
+ win = Win}}.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Async Events are handled in handle_event as in handle_info
+handle_event(#wx{event = #wxCommand{type = command_radiobox_selected,
+ cmdString = String}},
+ State = #state{}) ->
+ wxWindow:refresh(State#state.parent),
+ CursorId = proplists:get_value(String, cursors()),
+ Cursor = wxCursor:new(CursorId),
+ wxWindow:setCursor(State#state.win, Cursor),
+ {noreply, State#state{}};
+handle_event(#wx{obj = ToggleButton,
+ event = #wxCommand{type = command_togglebutton_clicked,
+ commandInt = Int}},
+ State = #state{}) ->
+ case Int of
+ 1 ->
+ wx_misc:beginBusyCursor(),
+ wxToggleButton:setLabel(ToggleButton, "End busy cursor");
+ 0 ->
+ wx_misc:endBusyCursor(),
+ wxToggleButton:setLabel(ToggleButton, "Begin busy cursor")
+ end,
+ {noreply, State};
+handle_event(Ev = #wx{}, State = #state{}) ->
+ demo:format(State#state.config, "Got 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(Msg, _From, State) ->
+ demo:format(State#state.config, "Got Call ~p\n", [Msg]),
+ {reply,{error, nyi}, State}.
+
+code_change(_, _, State) ->
+ {stop, ignore, State}.
+
+terminate(_Reason, _State) ->
+ case wx_misc:isBusy() of
+ true ->
+ wx_misc:endBusyCursor();
+ false ->
+ ignore
+ end.
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Local functions
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+cursors() ->
+ [{"Arrow", ?wxCURSOR_ARROW},
+ {"Right arrow", ?wxCURSOR_RIGHT_ARROW},
+ {"Blank", ?wxCURSOR_BLANK},
+ {"Bullseye", ?wxCURSOR_BULLSEYE},
+ {"Char", ?wxCURSOR_CHAR},
+ {"Cross", ?wxCURSOR_CROSS},
+ {"Hand", ?wxCURSOR_HAND},
+ {"I-beam", ?wxCURSOR_IBEAM},
+ {"Left button", ?wxCURSOR_LEFT_BUTTON},
+ {"Magnifier", ?wxCURSOR_MAGNIFIER},
+ {"Middle button", ?wxCURSOR_MIDDLE_BUTTON},
+ {"No entry", ?wxCURSOR_NO_ENTRY},
+ {"Paint brush", ?wxCURSOR_PAINT_BRUSH},
+ {"Pencil", ?wxCURSOR_PENCIL},
+ {"Point left", ?wxCURSOR_POINT_LEFT},
+ {"Point right", ?wxCURSOR_POINT_RIGHT},
+ {"Question arrow", ?wxCURSOR_QUESTION_ARROW},
+ {"Right button", ?wxCURSOR_RIGHT_BUTTON},
+ {"Size NE-SW", ?wxCURSOR_SIZENESW},
+ {"Size N-S", ?wxCURSOR_SIZENS},
+ {"Size NW-SE", ?wxCURSOR_SIZENWSE},
+ {"Size W-E", ?wxCURSOR_SIZEWE},
+ {"Sizing", ?wxCURSOR_SIZING},
+ {"Spraycan", ?wxCURSOR_SPRAYCAN},
+ {"Wait", ?wxCURSOR_WAIT},
+ {"Watch", ?wxCURSOR_WATCH},
+ {"Arrow wait", ?wxCURSOR_ARROWWAIT}].