%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2013. 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(dbg_wx_mon_win).
%% External exports
-export([init/0]).
-export([create_win/3, get_window/1,
show_option/3,
enable/2, is_enabled/1, select/2,
add_module/3, delete_module/2,
add_process/6, update_process/4, clear_processes/1,
add_break/3, update_break/2, delete_break/2,
clear_breaks/1, clear_breaks/2,
handle_event/2
]).
-import(dbg_wx_win, [to_string/1, to_string/2]).
-include_lib("wx/include/wx.hrl").
-define(STRTEXT, "Use range of +pc flag").
-define(default_rows,10).
-record(moduleInfo, {module, menubtn}).
-record(procInfo, {pid, row}).
-record(breakInfo, {point, status, break}).
-record(break, {mb, smi, emi, dimi, demi}). %% BUGBUG defined in dbg_ui_win
-record(winInfo, {window, % gsobj()
grid, % gsobj()
row, % int() Last row in grid
focus, % int() Selected row in grid
modules=[], % [#moduleInfo{}] Known modules
processes=[], % [#procInfo{}] Known processes
breaks=[], % [#breakInfo{}] Known breakpoints
listbox, % gsobj() Listinng known modules
%% Auto attach buttons
fbutton, % gsobj()
bbutton, % gsobj()
ebutton, % gsobj()
selected=[], % ['First Call'|'On Break'|'On Exit']
%% Strings button(s)
stringsbutton,% gsobj()
slabel, % showing Stack Trace option
blabel % showing Back Trace Size
}).
%%====================================================================
%% External exports
%%====================================================================
init() ->
dbg_wx_win:init().
%%--------------------------------------------------------------------
%% create_win(GS, Title, Menus) -> #winInfo{}
%% GS = gsobj()
%% Title = string()
%% Menus = [menu()] See dbg_ui_win.erl
%%--------------------------------------------------------------------
-define(GRID,1000).
-define(PAD, 5).
-define(Wf, 150).
-define(Wg, 770).
-define(W, 800).
-define(H, 390).
%% FIXME
-define(autoId, 314).
-define(stringsId, 271).
create_win(_Wx, Title, Menus) ->
wx:batch(fun() -> create_win_batch(Title, Menus) end).
create_win_batch(Title, Menus) ->
Win = wxFrame:new(wx:null(), ?wxID_ANY, Title,
[{size, {?W,?H}}]),
wxFrame:connect(Win, close_window, [{skip, true}]),
MenuBar = wxMenuBar:new(),
dbg_wx_win:create_menus(MenuBar, Menus, Win, 1),
wxFrame:setMenuBar(Win, MenuBar),
MainSz = wxBoxSizer:new(?wxHORIZONTAL),
LeftSz = wxBoxSizer:new(?wxVERTICAL),
Panel = wxPanel:new(Win),
Hlb = 200,
Listbox = wxListBox:new(Panel, ?wxID_ANY, [{size,{?Wf,Hlb}},
{style,?wxLB_SINGLE}]),
wxSizer:add(LeftSz,Listbox,[{proportion,1},{border,3},{flag,?wxEXPAND}]),
wxListBox:connect(Listbox, command_listbox_doubleclicked),
wxListBox:connect(Listbox, right_down),
SBox = wxStaticBox:new(Panel, ?wxID_ANY, "Auto Attach:"),
SBS = wxStaticBoxSizer:new(SBox, ?wxVERTICAL),
Fbtn = wxCheckBox:new(Panel, ?autoId, "First Call"),
wxSizer:add(SBS,Fbtn),
Bbtn = wxCheckBox:new(Panel, ?autoId, "On Break"),
wxSizer:add(SBS,Bbtn),
Ebtn = wxCheckBox:new(Panel, ?autoId, "On Exit"),
wxSizer:add(SBS,Ebtn),
wxFrame:connect(Panel, command_checkbox_clicked),
wxSizer:add(LeftSz,SBS, [{flag,?wxEXPAND}]),
SLabel = wxStaticText:new(Panel, ?wxID_ANY, "Stack Trace:\n On (with tail)"),
wxSizer:add(LeftSz,SLabel),
BLabel = wxStaticText:new(Panel, ?wxID_ANY, "Back Trace Size:\n 50000"),
wxSizer:add(LeftSz,BLabel),
StringsBox = wxStaticBox:new(Panel, ?wxID_ANY, "Strings:"),
StringsBS = wxStaticBoxSizer:new(StringsBox, ?wxVERTICAL),
Stringsbtn = wxCheckBox:new(Panel, ?stringsId, ?STRTEXT),
wxSizer:add(StringsBS,Stringsbtn),
wxSizer:add(LeftSz,StringsBS, [{flag,?wxEXPAND}]),
%% Create list_crtl / grid
Grid = wxListCtrl:new(Panel, [{winid, ?GRID},
{style, ?wxLC_REPORT bor ?wxLC_SINGLE_SEL
bor ?wxLC_HRULES },
{size, {600, -1}}]),
LI = wxListItem:new(),
wxListItem:setText(LI, "Pid"),
wxListItem:setAlign(LI, ?wxLIST_FORMAT_CENTRE),
wxListCtrl:insertColumn(Grid, 0, LI),
wxListItem:setText(LI, "Initial Call"),
wxListItem:setAlign(LI, ?wxLIST_FORMAT_LEFT),
wxListCtrl:insertColumn(Grid, 1, LI),
wxListItem:setText(LI, "Name"),
wxListCtrl:insertColumn(Grid, 2, LI),
wxListItem:setAlign(LI, ?wxLIST_FORMAT_CENTRE),
wxListItem:setText(LI, "Status"),
wxListCtrl:insertColumn(Grid, 3, LI),
wxListItem:setText(LI, "Information"),
wxListItem:setAlign(LI, ?wxLIST_FORMAT_LEFT),
wxListCtrl:insertColumn(Grid, 4, LI),
wxListItem:destroy(LI),
wxListCtrl:setColumnWidth(Grid, 0, 80),
wxListCtrl:setColumnWidth(Grid, 1, 150),
wxListCtrl:setColumnWidth(Grid, 2, 100),
wxListCtrl:setColumnWidth(Grid, 3, 70),
wxListCtrl:setColumnWidth(Grid, 4, 200),
wxListCtrl:connect(Grid, command_list_item_activated),
wxListCtrl:connect(Grid, command_list_item_selected),
wxListCtrl:connect(Grid, size, [{skip, true}]),
wxListCtrl:connect(Grid, key_up, [{id, ?GRID}, {skip,true}]),
wxWindow:connect(Win, enter_window, [{skip,true}]),
wxWindow:setFocus(Grid),
%% Put it in the window
wxSizer:add(MainSz, LeftSz, [{border, 3}, {flag,?wxALL bor ?wxEXPAND}]),
wxSizer:add(MainSz, Grid, [{border, 3}, {flag,?wxALL bor ?wxEXPAND},
{proportion, 1}]),
wxWindow:setSizer(Panel,MainSz),
wxSizer:fit(MainSz, Win),
wxSizer:setSizeHints(MainSz,Win),
IconFile = dbg_wx_win:find_icon("erlang_bug.png"),
Icon = wxIcon:new(IconFile, [{type,?wxBITMAP_TYPE_PNG}]),
wxFrame:setIcon(Win, Icon),
wxIcon:destroy(Icon),
wxFrame:show(Win),
dbg_wx_winman:raise(Win),
#winInfo{window=Win, grid=Grid, row=0, focus=0,
listbox=Listbox,
fbutton=Fbtn, bbutton=Bbtn, ebutton=Ebtn,
stringsbutton=Stringsbtn,
slabel=SLabel, blabel=BLabel}.
%%--------------------------------------------------------------------
%% get_window(WinInfo) -> Window
%% WinInfo = #winInfo{}
%% Window = wxobj()
%%--------------------------------------------------------------------
get_window(WinInfo) ->
WinInfo#winInfo.window.
%%--------------------------------------------------------------------
%% show_option(WinInfo, Option, Value) -> void()
%% WinInfo = #winInfo{}
%% Option = auto_attach | stack_trace | back_trace | strings
%% Value = [Flag] % Option==auto_attach
%% Flag = init | break | exit
%% | true | all | no_tail | false % Option==stack_trace
%% | integer() % Option==back_trace
%% | [SFlag] % Option==strings
%% SFlag = str_on
%%--------------------------------------------------------------------
show_option(WinInfo, Option, Value) ->
case Option of
auto_attach ->
wx:foreach(fun(Button) ->
wxCheckBox:setValue(Button, false)
end,
option_buttons(WinInfo, [init, break, exit])),
wx:foreach(fun(Button) ->
wxCheckBox:setValue(Button, true)
end,
option_buttons(WinInfo, Value));
stack_trace ->
Text = case Value of
all -> "Stack Trace:\n On (with tail)";
true -> "Stack Trace:\n On (with tail)";
no_tail -> "Stack Trace:\n On (no tail)";
false -> "Stack Trace:\n Off"
end,
wxStaticText:setLabel(WinInfo#winInfo.slabel, Text);
back_trace ->
Text = "Back Trace Size:\n " ++ integer_to_list(Value),
wxStaticText:setLabel(WinInfo#winInfo.blabel, Text);
strings ->
wx:foreach(fun(Button) ->
wxCheckBox:setValue(Button, false)
end,
option_buttons(WinInfo, [str_on])),
wx:foreach(fun(Button) ->
wxCheckBox:setValue(Button, true)
end,
option_buttons(WinInfo, Value))
end.
%% Auto Attach
option_buttons(WinInfo, [init|Flags]) ->
[WinInfo#winInfo.fbutton|option_buttons(WinInfo, Flags)];
option_buttons(WinInfo, [break|Flags]) ->
[WinInfo#winInfo.bbutton|option_buttons(WinInfo, Flags)];
option_buttons(WinInfo, [exit|Flags]) ->
[WinInfo#winInfo.ebutton|option_buttons(WinInfo, Flags)];
%% Strings
option_buttons(WinInfo, [str_on|Flags]) ->
[WinInfo#winInfo.stringsbutton|option_buttons(WinInfo, Flags)];
option_buttons(_WinInfo, []) ->
[].
%%--------------------------------------------------------------------
%% enable([MenuItem], Bool)
%% is_enabled(MenuItem) -> Bool
%% MenuItem = atom()
%% Bool = boolean()
%%--------------------------------------------------------------------
enable(MenuItems, Bool) ->
lists:foreach(fun(MenuItem) ->
MI = get(MenuItem),
wxMenuItem:enable(MI, [{enable, Bool}])
end,
MenuItems).
is_enabled(MenuItem) ->
MI = get(MenuItem),
wxMenuItem:isEnabled(MI).
%%--------------------------------------------------------------------
%% select(MenuItem, Bool)
%% MenuItem = atom()
%% Bool = boolean()
%%--------------------------------------------------------------------
select(MenuItem, Bool) ->
MI = get(MenuItem),
wxMenuItem:check(MI, [{check, Bool}]).
%%--------------------------------------------------------------------
%% add_module(WinInfo, Name, Mod) -> WinInfo
%% WinInfo = #winInfo{}
%% Name = atom()
%% Mod = atom()
%%--------------------------------------------------------------------
add_module(WinInfo, MenuName, Mod) ->
Win = WinInfo#winInfo.window,
Modules = WinInfo#winInfo.modules,
case lists:keymember(Mod, #moduleInfo.module, Modules) of
false ->
%% Create a menu for the module
Menu = get(MenuName),
Sub = wxMenu:new([]),
ViewItem = wxMenu:append(Sub, ?wxID_ANY, "View"),
ViewId = wxMenuItem:getId(ViewItem),
wxMenu:connect(Win, command_menu_selected,
[{id,ViewId}, {userData, {module,Mod,view}}]),
DelItem = wxMenu:append(Sub, ?wxID_ANY, "Delete"),
DelId = wxMenuItem:getId(DelItem),
wxMenu:connect(Win, command_menu_selected,
[{id,DelId}, {userData, {module,Mod,delete}}]),
MenuBtn = wxMenu:append(Menu, ?wxID_ANY, atom_to_list(Mod), Sub),
wxListBox:append(WinInfo#winInfo.listbox, atom_to_list(Mod)),
ModInfo = #moduleInfo{module=Mod, menubtn={Menu,MenuBtn}},
WinInfo#winInfo{modules=[ModInfo | Modules]};
true -> WinInfo
end.
%%--------------------------------------------------------------------
%% delete_module(WinInfo, Mod) -> WinInfo
%% WinInfo = #winInfo{}
%% Mod = atom()
%%--------------------------------------------------------------------
delete_module(WinInfo, Mod) ->
{value, ModInfo} = lists:keysearch(Mod, #moduleInfo.module,
WinInfo#winInfo.modules),
{Menu, MenuBtn} = ModInfo#moduleInfo.menubtn,
wxMenu:'Destroy'(Menu, MenuBtn),
ListBox = WinInfo#winInfo.listbox,
Id = wxListBox:findString(ListBox, atom_to_list(Mod)),
wxListBox:delete(ListBox,Id),
WinInfo#winInfo{modules=lists:keydelete(Mod, #moduleInfo.module,
WinInfo#winInfo.modules)}.
%%--------------------------------------------------------------------
%% add_process(WinInfo, Pid, Name, Function, Status, Info) -> WinInfo
%% WinInfo = #winInfo{}
%% Pid = pid()
%% Name = undefined | atom()
%% Function = {Mod, Func, Args}
%% Status = idle | running | break | exit
%% Info = {} | term()
%%--------------------------------------------------------------------
add_process(WinInfo, Pid, Name, {Mod,Func,Args}, Status, Info) ->
Grid = WinInfo#winInfo.grid,
Row = (WinInfo#winInfo.row),
Name2 = case Name of undefined -> ""; _ -> to_string(Name) end,
FuncS = to_string("~w:~w/~w", [Mod, Func, length(Args)]),
Info2 = case Info of {} -> ""; _ -> to_string(Info) end,
Pid2 = to_string("~p",[Pid]),
Add = fun() ->
_Dbg = wxListCtrl:insertItem(Grid, Row,""),
%%wxListCtrl:setItemData(Grid,Temp,Row),
if (Row rem 2) =:= 0 ->
wxListCtrl:setItemBackgroundColour(Grid, Row, {240,240,255});
true -> ignore
end,
wxListCtrl:setItem(Grid, Row, 0, Pid2),
wxListCtrl:setItem(Grid, Row, 1, FuncS),
wxListCtrl:setItem(Grid, Row, 2, Name2),
wxListCtrl:setItem(Grid, Row, 3, to_string(Status)),
wxListCtrl:setItem(Grid, Row, 4, Info2),
ok
end,
wx:batch(Add),
ProcInfo = #procInfo{pid=Pid, row=Row},
WinInfo#winInfo{processes=[ProcInfo|WinInfo#winInfo.processes],
row=Row+1}.
%%--------------------------------------------------------------------
%% update_process(WinInfo, Pid, Status, Info)
%% WinInfo = #winInfo{}
%% Pid = pid()
%% Status = idle | running | break | exit
%% Info = {} | term()
%%--------------------------------------------------------------------
update_process(WinInfo, Pid, Status, Info) ->
{value, ProcInfo} = lists:keysearch(Pid, #procInfo.pid,
WinInfo#winInfo.processes),
Grid = WinInfo#winInfo.grid,
Row = ProcInfo#procInfo.row,
Info2 = case Info of {} -> ""; _ -> Info end,
wxListCtrl:setItem(Grid, Row, 3, to_string(Status)),
wxListCtrl:setItem(Grid, Row, 4, to_string(Info2)).
%%--------------------------------------------------------------------
%% clear_processes(WinInfo) -> WinInfo
%% WinInfo = #winInfo{}
%%--------------------------------------------------------------------
clear_processes(WinInfo) ->
Grid = WinInfo#winInfo.grid,
Max = WinInfo#winInfo.row,
wx:batch(fun() -> clear_processes(Grid, Max-1) end),
WinInfo#winInfo{row=0, focus=0, processes=[]}.
clear_processes(Grid, Row) when Row >= 0 ->
Item = wxListItem:new(),
wxListItem:setId(Item,Row),
wxListItem:setColumn(Item, 3),
case wxListCtrl:getItem(Grid, Item) of
true ->
case wxListItem:getText(Item) of
"exit" ->
wxListItem:setColumn(Item, 0),
wxListCtrl:getItem(Grid, Item),
Pid = list_to_pid(wxListItem:getText(Item)),
dbg_wx_winman:clear_process(dbg_wx_trace:title(Pid));
_ ->
ok
end;
false ->
ignore
end,
wxListItem:destroy(Item),
wxListCtrl:deleteItem(Grid, Row),
clear_processes(Grid, Row-1);
clear_processes(_Grid, _Row) ->
done.
%%--------------------------------------------------------------------
%% add_break(WinInfo, Name, {Point, Options}) -> WinInfo
%% WinInfo = #winInfo{}
%% Name = atom()
%% Point = {Mod, Line}
%% Options = [Status, Action, Mods, Cond]
%% Status = active | inactive
%% Action = enable | disable | delete
%% Mods = null (not used)
%% Cond = null | {Mod, Func}
%%--------------------------------------------------------------------
add_break(WinInfo, Menu, {Point, Options}) ->
Break = dbg_wx_win:add_break(WinInfo#winInfo.window, Menu, Point),
dbg_wx_win:update_break(Break, Options),
BreakInfo = #breakInfo{point=Point, break=Break},
WinInfo#winInfo{breaks=[BreakInfo|WinInfo#winInfo.breaks]}.
%%--------------------------------------------------------------------
%% update_break(WinInfo, {Point, Options})
%% WinInfo = #winInfo{}
%% Point = {Mod, Line}
%% Options = [Status, Action, Mods, Cond]
%% Status = active | inactive
%% Action = enable | disable | delete
%% Mods = null (not used)
%% Cond = null | {Mod, Func}
%%--------------------------------------------------------------------
update_break(WinInfo, {Point, Options}) ->
{value, BreakInfo} = lists:keysearch(Point, #breakInfo.point,
WinInfo#winInfo.breaks),
dbg_wx_win:update_break(BreakInfo#breakInfo.break, Options).
%%--------------------------------------------------------------------
%% delete_break(WinInfo, Point) -> WinInfo
%% WinInfo = #winInfo{}
%% Point = {Mod, Line}
%%--------------------------------------------------------------------
delete_break(WinInfo, Point) ->
{value, BreakInfo} = lists:keysearch(Point, #breakInfo.point,
WinInfo#winInfo.breaks),
dbg_wx_win:delete_break(BreakInfo#breakInfo.break),
WinInfo#winInfo{breaks=lists:keydelete(Point, #breakInfo.point,
WinInfo#winInfo.breaks)}.
%%--------------------------------------------------------------------
%% clear_breaks(WinInfo) -> WinInfo
%% clear_breaks(WinInfo, Mod) -> WinInfo
%% WinInfo = #winInfo{}
%%--------------------------------------------------------------------
clear_breaks(WinInfo) ->
lists:foreach(fun(BreakInfo) ->
dbg_wx_win:delete_break(BreakInfo#breakInfo.break)
end,
WinInfo#winInfo.breaks),
WinInfo#winInfo{breaks=[]}.
clear_breaks(WinInfo, Mod) ->
Fun =
fun(BreakInfo) ->
case BreakInfo#breakInfo.point of
{Mod, _Line} ->
dbg_wx_win:delete_break(BreakInfo#breakInfo.break),
false;
_ -> true
end
end,
Breaks = lists:filter(Fun, WinInfo#winInfo.breaks),
WinInfo#winInfo{breaks=Breaks}.
%%--------------------------------------------------------------------
%% handle_event(WxEvent, WinInfo) -> Command
%% WxEvent = #wx{}
%% WinInfo = #winInfo{}
%% Command = ignore
%% | stopped
%% | {coords, {X,Y}}
%%
%% | {shortcut, Key}
%% | MenuItem | {Menu, [MenuItem]}
%% MenuItem = Menu = atom()
%% | {break, Point, What}
%% What = delete | {status, Status} | {trigger, Trigger}
%% | {module, Mod, What}
%% What = view | delete
%%
%% | {focus, Pid, WinInfo}
%% | default
%%--------------------------------------------------------------------
%% Window events
handle_event(#wx{event=#wxSize{size={W,_}}}, #winInfo{grid=Grid}) ->
wx:batch(fun() ->
Tot = wx:foldl(fun(C,Sum) ->
Sum + wxListCtrl:getColumnWidth(Grid, C)
end, 0, [0,1,2,3]),
wxListCtrl:setColumnWidth(Grid, 4, W-Tot-4)
end),
ignore;
handle_event(_Ev=#wx{event=#wxClose{}}, _WinInfo) ->
%% io:format("~p Received ~p close ~p~n", [?MODULE, self(), _Ev]),
stopped;
%% Menus and keyboard shortcuts
handle_event(#wx{userData={dbg_ui_winman, Win},
event=#wxCommand{type=command_menu_selected}}, _Wi) ->
dbg_wx_winman:raise(Win),
ignore;
handle_event(_Ev = #wx{event=#wxKey{keyCode=Key, controlDown=true}}, _WinInfo) ->
if
Key/=?WXK_UP, Key/=?WXK_DOWN, Key /=? WXK_RETURN ->
try
{shortcut, list_to_atom([Key+($a-$A)])}
catch _:_ -> ignore
end;
true ->
ignore
end;
handle_event(#wx{userData={break, Point, status},
event=#wxCommand{type=command_menu_selected}},
WinInfo) ->
{value, BreakInfo} = lists:keysearch(Point, #breakInfo.point,
WinInfo#winInfo.breaks),
%% This is a temporary hack !!
#breakInfo{break=#break{smi=Smi}} = BreakInfo,
case wxMenuItem:getText(Smi) of
"Enable" -> {break, Point, {status, active}};
"Disable" -> {break, Point, {status, inactive}}
end;
%% Listbox
handle_event(#wx{event=#wxCommand{type=command_listbox_doubleclicked, cmdString=ModS}},
_WinInfo) ->
{module, list_to_atom(ModS), view};
handle_event(#wx{obj=ListBox, event=#wxMouse{type=right_down, x=X,y=Y}},
#winInfo{listbox=ListBox}) ->
case wxListBox:hitTest(ListBox, {X,Y}) of
?wxNOT_FOUND -> ignore;
Row ->
ModS = wxListBox:getString(ListBox,Row),
io:format("Re-loading/interpreting: ~s~n", [ModS]),
int:i(list_to_atom(ModS)),
ignore
end;
%% Auto attach buttons
handle_event(#wx{id=?autoId,
event=#wxCommand{type=command_checkbox_clicked}},
WinInfo) ->
Check = fun(Button, NamesAcc) ->
case wxCheckBox:isChecked(Button) of
true ->
Name = wxCheckBox:getLabel(Button),
[list_to_atom(Name)|NamesAcc];
false ->
NamesAcc
end
end,
Names = wx:foldl(Check, [],
[WinInfo#winInfo.ebutton,
WinInfo#winInfo.bbutton,
WinInfo#winInfo.fbutton]),
{'Auto Attach', Names};
%% Strings button(s)
handle_event(#wx{id=?stringsId,
event=#wxCommand{type=command_checkbox_clicked}},
WinInfo) ->
Check = fun(Button, NamesAcc) ->
case wxCheckBox:isChecked(Button) of
true ->
Name = wxCheckBox:getLabel(Button),
[list_to_atom(Name)|NamesAcc];
false ->
NamesAcc
end
end,
Names = wx:foldl(Check, [],
[WinInfo#winInfo.stringsbutton]),
{'Strings', Names};
%% Process grid
handle_event(#wx{event=#wxList{type=command_list_item_selected,
itemIndex=Row}}, WinInfo) ->
#winInfo{processes=Pids} = WinInfo,
#procInfo{pid=Pid} = lists:keyfind(Row, #procInfo.row, Pids),
{focus, Pid, WinInfo#winInfo{focus=Row}};
handle_event(#wx{event=#wxList{type=command_list_item_activated}},
_WinInfo) ->
default;
handle_event(#wx{event=#wxMouse{type=enter_window}}, #winInfo{grid=Grid}) ->
%% Keyboard focus
wxWindow:setFocus(Grid),
ignore;
%% Menu Events
handle_event(#wx{userData=Data,
event=_Cmd=#wxCommand{type=command_menu_selected}},
_WinInfo) ->
Data;
handle_event(_Event, _WinInfo) ->
%% FIXME
io:format("Ev: ~p~n",[_Event]),
ignore.
%%====================================================================
%% Internal functions
%%====================================================================
