%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2002-2011. 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_ui_edit_win).
%% External exports
-export([create_win/5, get_window/1,
handle_event/2]).
-record(winInfo, {window, % gsobj()
entry, % gsobj()
button, % gsobj()
type % atom()
}).
%%====================================================================
%% External exports
%%====================================================================
%%--------------------------------------------------------------------
%% create_win(GS, Pos, Title, Prompt, {Type, Value}) -> #winInfo{}
%% GS = graphics system identifier
%% Pos = {X, Y}
%% X = Y = integer()
%% Title = string()
%% Prompt = atom()
%% Type = term | atom | float | integer | string
%% Value = term()
%%--------------------------------------------------------------------
create_win(GS, {X, Y}, Title, Prompt, {Type, Value}) ->
Pad=8,
Font = dbg_ui_win:font(normal),
%% Window
Win = gs:window(GS, [{title, Title}, {x, X}, {y, Y},
{destroy, true}]),
%% Label
{Wlbl, Hlbl} = dbg_ui_win:min_size([Prompt], 50, 30),
gs:label(Win, [{x, Pad}, {y, Pad}, {width, Wlbl}, {height, Hlbl},
{align, e}, {label, {text, Prompt}}, {font, Font}]),
%% Entry
{Went, _Hent} = dbg_ui_win:min_size([Value], 100, 20),
Ent = gs:entry(Win, [{x, Pad+Wlbl}, {y, Pad},
{width, Went}, {height, Hlbl},
{text, Value},
{keypress, true}]),
%% OK and Cancel buttons
W = Pad + Wlbl + Went + Pad,
{Wbtn, Hbtn} = dbg_ui_win:min_size(["Cancel"], 70, 30),
Ybtn = Pad + Hlbl + Pad,
Btn = gs:button(Win, [{x, Pad}, {y, Ybtn},
{width, Wbtn}, {height, Hbtn},
{label, {text,"OK"}}, {font, Font}]),
gs:button(Win, [{x, W-Pad-Wbtn}, {y, Ybtn},
{width, Wbtn}, {height, Hbtn},
{label, {text,"Cancel"}}, {font, Font}]),
H = Ybtn + Hbtn + Pad,
gs:config(Win, [{width, W}, {height, H}, {map, true}]),
#winInfo{window=Win, entry=Ent, button=Btn, type=Type}.
%%--------------------------------------------------------------------
%% get_window(WinInfo) -> Window
%% WinInfo = #winInfo{}
%% Window = gsobj()
%%--------------------------------------------------------------------
get_window(WinInfo) ->
WinInfo#winInfo.window.
%%--------------------------------------------------------------------
%% handle_event(GSEvent, WinInfo) -> Command
%% GSEvent = {gs, Id, Event, Data, Arg}
%% WinInfo = #winInfo{}
%% Command = ignore
%% | stopped
%% | {edit, Value}
%%--------------------------------------------------------------------
handle_event({gs, _Id, destroy, _Data, _Arg}, _WinInfo) ->
stopped;
handle_event({gs, Id, keypress, Data, ['Return'|_]}, WinInfo) ->
gs:config(WinInfo#winInfo.button, flash),
handle_event({gs, Id, click, Data, ["OK"]}, WinInfo);
handle_event({gs, _Id, click, _Data, ["OK"|_]}, WinInfo) ->
Ent = WinInfo#winInfo.entry,
Str = gs:read(Ent, text),
Type = WinInfo#winInfo.type,
case erl_scan:string(Str) of
{ok, Tokens, _EndLine} when Type==term ->
case erl_parse:parse_term(Tokens++[{dot, 1}]) of
{ok, Value} -> {edit, Value};
_Error -> ignore
end;
{ok, [{Type, _Line, Value}], _EndLine} when Type/=term ->
{edit, Value};
_ ->
ignore
end;
handle_event({gs, _Id, click, _Data, ["Cancel"|_]}, _WinInfo) ->
stopped;
handle_event(_GSEvent, _WinInfo) ->
ignore.
