%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2009-2013. 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(reltool_mod_win).
%% Public
-export([start_link/5, raise/1, refresh/1]).
%% Internal
-export([init/6, loop/1]).
%% sys callback functions
-export([
system_continue/3,
system_terminate/4,
system_code_change/4
]).
-include_lib("wx/include/wx.hrl").
-include("reltool.hrl").
-record(state,
{parent_pid,
xref_pid,
rel_pid,
mod_wins,
sys,
common,
mod,
name,
frame,
panel,
book,
status_bar,
deps_used_by_ctrl,
deps_uses_ctrl,
popup_menu,
active_page,
code_pages}).
-record(code_page,
{name,
editor,
find_objs,
find_data}).
-record(find_objs,
{search, % Search input ctrl
goto, % Goto input ctrl
radio}). % Radio buttons
-record(find_data,
{start, % start pos
found, % status
history}). % list of recent positions
-define(WIN_WIDTH, 800).
-define(WIN_HEIGHT, 600).
-define(CLOSE_ITEM, ?wxID_EXIT). %% Use OS specific version if available
-define(ABOUT_ITEM, ?wxID_ABOUT). %% Use OS specific
-define(CONTENTS_ITEM, 300).
-define(SEARCH_ENTRY, 413).
-define(GOTO_ENTRY, 414).
-define(MODS_MOD_COL, 0).
-define(MODS_APP_COL, 1).
-define(INITIAL_CODE_PAGE_NAME, "Code").
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Client
start_link(WxEnv, Xref, RelPid, Common, ModName) ->
proc_lib:start_link(?MODULE,
init,
[self(), WxEnv, Xref, RelPid, Common, ModName],
infinity,
[]).
raise(Pid) ->
reltool_utils:cast(Pid, raise).
refresh(Pid) ->
reltool_utils:cast(Pid, refresh).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Server
init(Parent, WxEnv, Xref, RelPid, C, ModName) ->
try
do_init(Parent, WxEnv, Xref, RelPid, C, ModName)
catch
error:Reason ->
exit({Reason, erlang:get_stacktrace()})
end.
do_init(Parent, WxEnv, Xref, RelPid, C, ModName) ->
process_flag(trap_exit, C#common.trap_exit),
{ok, Mod} = reltool_server:get_mod(Xref, ModName),
{ok, Sys} = reltool_server:get_sys(Xref),
S = #state{parent_pid = Parent,
xref_pid = Xref,
rel_pid = RelPid,
sys = Sys,
mod = Mod,
name = atom_to_list(Mod#mod.name),
common = C},
proc_lib:init_ack(Parent, {ok, self()}),
wx:set_env(WxEnv),
wx:debug(C#common.wx_debug),
S2 = wx:batch(fun() -> create_window(S) end),
loop(S2).
loop(#state{xref_pid = Xref, common = C, mod = Mod} = S) ->
receive
Msg ->
%% io:format("~ts~w -> ~p\n", [S#state.name, self(), Msg]),
case Msg of
{system, From, SysMsg} ->
Dbg = C#common.sys_debug,
sys:handle_system_msg(SysMsg,
From,
S#state.parent_pid,
?MODULE,
Dbg,
S);
{cast, _From, raise} ->
wxFrame:raise(S#state.frame),
wxFrame:setFocus(S#state.frame),
?MODULE:loop(S);
{cast, _From, refresh} ->
%% wx_misc:beginBusyCursor(),
case reltool_server:get_mod(Xref, Mod#mod.name) of
{ok, Mod2} ->
{ok, Sys} = reltool_server:get_sys(Xref),
S2 = redraw_window(S#state{sys = Sys, mod = Mod2}),
%% wx_misc:endBusyCursor(),
?MODULE:loop(S2);
{error, _} ->
wxFrame:destroy(S#state.frame),
exit(shutdown)
end;
{'EXIT', Pid, Reason} when Pid =:= S#state.parent_pid ->
exit(Reason);
#wx{event = #wxSize{}} = Wx ->
Wx2 = reltool_utils:get_latest_resize(Wx),
S2 = handle_event(S, Wx2),
?MODULE:loop(S2);
#wx{obj = ObjRef,
event = #wxClose{type = close_window}} ->
wxFrame:destroy(ObjRef),
exit(shutdown);
#wx{} = Wx ->
S2 = handle_event(S, Wx),
?MODULE:loop(S2);
_ ->
error_logger:format("~w~w got unexpected message:\n\t~p\n",
[?MODULE, self(), Msg]),
?MODULE:loop(S)
end
end.
create_window(#state{mod = Mod, name = ModStr} = S) ->
Title = atom_to_list(?APPLICATION) ++ " - " ++
atom_to_list(Mod#mod.app_name) ++ " - " ++
ModStr ++ ".erl",
Frame = wxFrame:new(wx:null(), ?wxID_ANY, Title, []),
%% wxFrame:setSize(Frame, {?WIN_WIDTH, ?WIN_HEIGHT}),
Panel = wxPanel:new(Frame, []),
StatusBar = wxFrame:createStatusBar(Frame,[]),
Book = wxNotebook:new(Panel, ?wxID_ANY, []),
S2 = S#state{frame = Frame,
panel = Panel,
book = Book,
status_bar = StatusBar,
code_pages = []},
S3 = create_deps_page(S2),
S4 = create_code_page(S3, ?INITIAL_CODE_PAGE_NAME),
S5 = create_config_page(S4),
wxNotebook:setSelection(Book, 0),
Sizer = wxBoxSizer:new(?wxVERTICAL),
wxSizer:add(Sizer, Book, [{flag, ?wxEXPAND}, {proportion, 1}]),
wxPanel:setSizer(Panel, Sizer),
wxSizer:fit(Sizer, Frame),
wxSizer:setSizeHints(Sizer, Frame),
wxEvtHandler:connect(Book, command_notebook_page_changed, [{skip, true}]),
wxFrame:connect(Frame, close_window),
wxFrame:show(Frame),
S5.
create_deps_page(S) ->
Panel = wxPanel:new(S#state.book, []),
Main = wxBoxSizer:new(?wxHORIZONTAL),
UsedByCtrl = create_mods_list_ctrl(Panel,
Main,
"Modules using this",
" and their applications"),
wxSizer:add(Main,
wxStaticLine:new(Panel, [{style, ?wxLI_VERTICAL}]),
[{border, 2}, {flag, ?wxALL bor ?wxEXPAND}]),
UsesCtrl = create_mods_list_ctrl(Panel,
Main,
"Used modules",
" and their applications"),
S2 = S#state{deps_used_by_ctrl = UsedByCtrl,
deps_uses_ctrl = UsesCtrl},
redraw_mods(S2),
wxPanel:setSizer(Panel, Main),
wxNotebook:addPage(S2#state.book, Panel, "Dependencies", []),
S2.
create_mods_list_ctrl(Panel, Sizer, ModText, AppText) ->
Width = lists:max([100, ?WIN_WIDTH - 40]) div 2,
Height = lists:max([100, ?WIN_HEIGHT - 100]),
ListCtrl = wxListCtrl:new(Panel,
[{style,
?wxLC_REPORT bor
%% ?wxLC_SORT_ASCENDING bor
?wxLC_SINGLE_SEL bor
?wxHSCROLL bor
?wxVSCROLL},
{size, {Width, Height}}]),
%% Prep images
reltool_utils:assign_image_list(ListCtrl),
%% Prep column label
ListItem = wxListItem:new(),
wxListItem:setAlign(ListItem, ?wxLIST_FORMAT_LEFT),
wxListItem:setText(ListItem, ModText),
wxListCtrl:insertColumn(ListCtrl, ?MODS_MOD_COL, ListItem),
%% wxListCtrl:setColumnWidth(ListCtrl, ?MODS_MOD_COL, ?MODS_MOD_COL_WIDTH),
wxListItem:setText(ListItem, AppText),
wxListCtrl:insertColumn(ListCtrl, ?MODS_APP_COL, ListItem),
%% wxListCtrl:setColumnWidth(ListCtrl, ?MODS_APP_COL, ?MODS_APP_COL_WIDTH),
wxListItem:destroy(ListItem),
wxEvtHandler:connect(ListCtrl, size,
[{skip, true}, {userData, mods_list_ctrl}]),
wxListCtrl:connect(ListCtrl, command_list_item_activated,
[{userData, open_app}]),
wxWindow:connect(ListCtrl, enter_window),
wxSizer:add(Sizer, ListCtrl,
[{border, 2},
{flag, ?wxALL bor ?wxEXPAND},
{proportion, 1}]),
ListCtrl.
create_code_page(#state{book = Book, code_pages = Pages, name = ModStr} = S,
PageName) ->
case find_page(S, PageName) of
not_found ->
Page = do_create_code_page(S, PageName),
Pages2 = Pages ++ [Page],
Pos = length(Pages2),
wxNotebook:setSelection(Book, Pos),
case find_page(S, ?INITIAL_CODE_PAGE_NAME) of
not_found ->
ignore;
{found, _, CodePos} ->
%% Rename initial code page
wxNotebook:setPageText(Book, CodePos, ModStr)
end,
S#state{active_page = Page, code_pages = Pages2};
{found, Page, Pos} ->
wxNotebook:setSelection(Book, Pos),
S#state{active_page = Page}
end.
find_page(S, PageName) ->
find_page(S#state.code_pages, PageName, 1).
find_page([Page | Pages], PageName, Pos) ->
case Page#code_page.name =:= PageName of
true ->
{found, Page, Pos};
false ->
find_page(Pages, PageName, Pos + 1)
end;
find_page([], _PageName, _Pos) ->
not_found.
do_create_code_page(#state{xref_pid = Xref, mod = M} = S, PageName) ->
Panel = wxPanel:new(S#state.book, []),
Editor = create_editor(Panel),
ToolTip = "Double click on a function call to "
"search the function definition.",
wxBitmapButton:setToolTip(Editor, ToolTip),
{Objs, Data, SearchSz} = create_search_area(Panel),
{ok, App} = reltool_server:get_app(Xref, M#mod.app_name),
ErlBin =
case App#app.is_escript of
false -> find_regular_bin(App, M);
_ -> find_escript_bin(App, M)
end,
load_code(Editor, ErlBin),
Sizer = wxBoxSizer:new(?wxVERTICAL),
wxSizer:add(Sizer, Editor, [{flag, ?wxEXPAND}, {proportion, 1}]),
wxSizer:add(Sizer, SearchSz, [{flag, ?wxEXPAND}]),
wxPanel:setSizer(Panel, Sizer),
wxNotebook:addPage(S#state.book, Panel, PageName, []),
#code_page{name = PageName,
editor = Editor,
find_objs = Objs,
find_data = Data}.
find_regular_bin(App, Mod) ->
ActiveDir = App#app.active_dir,
SrcDir = filename:join([ActiveDir, "src"]),
ModStr = atom_to_list(Mod#mod.name),
Base = "^" ++ ModStr ++ "\\.erl$",
Find = fun(F, _Acc) -> throw({file:read_file(F),epp:read_encoding(F)}) end,
case catch filelib:fold_files(SrcDir, Base, true, Find, {error, enoent}) of
{{ok, Bin},Encoding0} ->
Encoding =
case Encoding0 of
none -> epp:default_encoding();
_ -> Encoding0
end,
unicode:characters_to_binary(Bin,Encoding,utf8);
{error, enoent} ->
%% Reconstructing the source code from debug info if possible
BeamFile = filename:join([ActiveDir, "ebin", ModStr ++ ".beam"]),
case source_from_beam(BeamFile) of
{ok,Source} ->
Source;
error ->
unicode:characters_to_binary(
["%% Bad luck, cannot find any "
"debug info in the file \"", BeamFile])
end
end.
source_from_beam(Beam) ->
case beam_lib:chunks(Beam, [abstract_code]) of
{ok,{_,[{abstract_code,{_,AC}}]}} ->
IoList = [erl_pp:form(F,[{encoding,utf8}]) || F <- AC],
{ok,unicode:characters_to_binary(IoList)};
_ ->
error
end.
find_escript_bin(#app{active_dir = ActiveDir}, Mod) ->
NotFound = false,
ModName = Mod#mod.name,
{Fun, Escript} =
case filelib:is_regular(ActiveDir) of
true ->
%% File is on top level in the escript
{fun(FullName, _GetInfo, GetBin, Acc) ->
case filename:split(FullName) of
[_] ->
Bin = GetBin(),
case beam_lib:version(Bin) of
{ok,{M, _}} when M =:= ModName;
FullName =:= "." ->
case source_from_beam(Bin) of
{ok,Source} ->
{obj,Source};
error ->
Acc
end;
_ ->
Acc
end;
_ ->
Acc
end
end,
ActiveDir};
false ->
%% File is in an archive
Ext = code:objfile_extension(),
SrcFile = lists:concat([ModName, ".erl"]),
ObjFile = lists:concat([ModName, Ext]),
{fun(FullName, _GetInfo, GetBin, Acc) ->
io:format("", []),
case filename:split(FullName) of
[_AppName, "ebin", F]
when F =:= ObjFile, Acc =:= NotFound ->
case source_from_beam(GetBin()) of
{ok,Source} ->
{obj,Source};
_ ->
Acc
end;
[_AppName, "src", F] when F =:= SrcFile ->
{text, GetBin()};
_ ->
Acc
end
end,
filename:dirname(ActiveDir)}
end,
try
case reltool_utils:escript_foldl(Fun, NotFound, Escript) of
{ok, {text, Bin}} ->
Bin;
{ok, {obj, Bin}} ->
Bin;
_ ->
unicode:characters_to_binary(
["%% Bad luck, cannot find the "
"code in the escript ", Escript, "."])
end
catch
throw:Reason when is_list(Reason) ->
unicode:characters_to_binary(
["%% Bad luck, cannot find the code "
"in the escript ", Escript, ": ", Reason])
end.
create_config_page(S) ->
S.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
handle_event(#state{xref_pid = Xref} = S, Wx) ->
%% io:format("wx: ~p\n", [Wx]),
case Wx of
#wx{obj= ListCtrl,
userData = mods_list_ctrl,
event = #wxSize{type = size, size = {W, _H}}} ->
wxListCtrl:setColumnWidth(ListCtrl, ?MODS_MOD_COL, (2 * W) div 3),
wxListCtrl:setColumnWidth(ListCtrl, ?MODS_APP_COL, W div 3),
S;
#wx{userData = open_app,
obj = ListCtrl,
event = #wxList{type = command_list_item_activated,
itemIndex = Pos}} ->
ModStr = wxListCtrl:getItemText(ListCtrl, Pos),
ModName = list_to_atom(ModStr),
{ok, Mod} = reltool_server:get_mod(Xref, ModName),
S2 = create_code_page(S#state{mod = Mod}, ModStr),
find_regexp_forward(S2, S2#state.name ++ ":");
%% ok = reltool_sys_win:open_app(S#state.rel_pid, Mod#mod.app_name),
%% S;
#wx{obj = Editor,
event = #wxStyledText{type = stc_doubleclick}} ->
goto_function(S, Editor);
#wx{id = ?SEARCH_ENTRY,
event = #wxCommand{type = command_text_enter, cmdString = Str}} ->
find_string(S, Str);
#wx{id = ?GOTO_ENTRY,
event = #wxCommand{type = command_text_enter, cmdString = Str}} ->
goto_line(S, Str);
#wx{event = #wxNotebook{type = command_notebook_page_changed}} ->
case wxNotebook:getSelection(S#state.book) of
0 -> % Deps page
S;
N -> % Code page
Page = lists:nth(N, S#state.code_pages),
S#state{active_page = Page}
end;
#wx{event = #wxCommand{type = command_button_clicked},
userData = history_back} ->
goto_back(S);
#wx{obj = ObjRef, event = #wxMouse{type = enter_window}} ->
wxWindow:setFocus(ObjRef),
S;
_ ->
error_logger:format("~w~w got unexpected mod event from "
"wx:\n\t~p\n",
[?MODULE, self(), Wx]),
S
end.
redraw_mods(#state{xref_pid = Xref,
deps_used_by_ctrl = UsedByCtrl,
deps_uses_ctrl = UsesCtrl,
mod = #mod{is_pre_included = IsPre,
is_included = IsIncl,
uses_mods = UsesModNames,
used_by_mods = UsedByModNames},
status_bar = Bar}) ->
InclStatus =
case IsIncl of
true when IsPre =:= true -> "Whitelist - ";
true -> "Derived - ";
false -> "Blacklist - ";
undefined -> "Source - "
end,
Status = lists:concat([InclStatus,
" uses ", length(UsesModNames),
" modules and ",
" is used by ", length(UsedByModNames),
" modules."]),
wxStatusBar:setStatusText(Bar, Status),
UsesMods = [select_image(Xref, M) || M <- UsesModNames],
UsedByMods = [select_image(Xref, M) || M <- UsedByModNames],
redraw_mods(UsedByCtrl, UsedByMods),
redraw_mods(UsesCtrl, UsesMods).
select_image(Xref, ModName) ->
{ok, M} = reltool_server:get_mod(Xref, ModName),
Image =
case M#mod.is_included of
_ when M#mod.app_name =:= ?MISSING_APP_NAME -> ?ERR_IMAGE;
true -> ?TICK_IMAGE;
false -> ?WARN_IMAGE;
undefined -> ?ERR_IMAGE
end,
{Image, M#mod.app_name, M}.
redraw_mods(ListCtrl, []) ->
wxListCtrl:deleteAllItems(ListCtrl);
redraw_mods(ListCtrl, ImageMods) ->
wxListCtrl:deleteAllItems(ListCtrl),
Add =
fun({ImageId, AppName, #mod{name = ModName}}, Row) ->
wxListCtrl:insertItem(ListCtrl, Row, ""),
if (Row rem 2) =:= 0 ->
wxListCtrl:setItemBackgroundColour(ListCtrl,
Row,
{240,240,255});
true ->
ignore
end,
wxListCtrl:setItem(ListCtrl, Row, ?MODS_MOD_COL,
atom_to_list(ModName), [{imageId, ImageId}]),
wxListCtrl:setItem(ListCtrl, Row, ?MODS_APP_COL,
atom_to_list(AppName), [{imageId, ImageId}]),
Row + 1
end,
wx:foldl(Add, 0, lists:sort(ImageMods)).
redraw_config(S) ->
S.
redraw_window(S) ->
redraw_config(S),
redraw_mods(S),
S.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
goto_line(#state{active_page = P} = S, LineNo) when is_integer(LineNo) ->
Editor = P#code_page.editor,
wxStyledTextCtrl:gotoLine(Editor, LineNo),
Left = wxStyledTextCtrl:getCurrentPos(Editor),
Right = wxStyledTextCtrl:getLineEndPosition(Editor, LineNo),
wxStyledTextCtrl:setSelection(Editor, Left, Right),
S;
goto_line(#state{active_page = P} =S, Str) when is_list(Str) ->
try
LineNo = list_to_integer(Str),
CurrentPos = wxStyledTextCtrl:getCurrentPos(P#code_page.editor),
S2 = add_pos_to_history(S, CurrentPos),
goto_line(S2, LineNo - 1)
catch
_:_ ->
wxStatusBar:setStatusText(S#state.status_bar, "Not a line number"),
S
end.
find_string(S, Str) ->
find_string(S, Str, 0).
find_regexp_forward(S, Str) ->
S2 = find_string(S, Str, ?wxSTC_FIND_REGEXP),
TextCtrl = ((S2#state.active_page)#code_page.find_objs)#find_objs.search,
wxTextCtrl:setValue(TextCtrl, Str),
S2.
find_string(#state{active_page =
#code_page{editor = Editor,
find_objs = #find_objs{radio={NextO,_,CaseO}},
find_data = #find_data{found = Found} = Data} = P} = S,
Str,
Flag) ->
wxStyledTextCtrl:hideSelection(Editor, true),
Dir = wxRadioButton:getValue(NextO) xor wx_misc:getKeyState(?WXK_SHIFT),
Case = wxCheckBox:getValue(CaseO),
Pos =
if
Found, Dir -> %% Forward Continuation
wxStyledTextCtrl:getAnchor(Editor);
Found -> %% Backward Continuation
wxStyledTextCtrl:getCurrentPos(Editor);
Dir -> %% Forward wrap
0;
true -> %% Backward wrap
wxStyledTextCtrl:getLength(Editor)
end,
wxStyledTextCtrl:gotoPos(Editor,Pos),
wxStyledTextCtrl:searchAnchor(Editor),
Flag2 =
if Case -> Flag bor ?wxSTC_FIND_MATCHCASE;
true -> Flag
end,
Res =
if
Dir -> wxStyledTextCtrl:searchNext(Editor, Flag2, Str);
true -> wxStyledTextCtrl:searchPrev(Editor, Flag2, Str)
end,
Found2 =
case Res >= 0 of
true ->
wxStyledTextCtrl:hideSelection(Editor, false),
%% io:format("Found ~p ~n",[Res]),
LineNo = wxStyledTextCtrl:lineFromPosition(Editor,Res),
wxStyledTextCtrl:scrollToLine(Editor, LineNo - 3),
wxStatusBar:setStatusText(S#state.status_bar, ""),
true;
false ->
wxStatusBar:setStatusText(S#state.status_bar,
"Not found (Hit Enter to "
"wrap search)"),
false
end,
P2 = P#code_page{find_data = Data#find_data{found = Found2}},
Pages = lists:keystore(P#code_page.name,
#code_page.name,
S#state.code_pages,
P2),
S#state{active_page = P2, code_pages = Pages}.
goto_function(S, Editor) ->
wxStyledTextCtrl:hideSelection(Editor, false),
CurrentPos = wxStyledTextCtrl:getCurrentPos(Editor),
Left = wxStyledTextCtrl:wordStartPosition(Editor, CurrentPos, true),
Right = wxStyledTextCtrl:wordEndPosition(Editor, CurrentPos, true),
ColonPos = Left - 1,
Left2 =
case wxStyledTextCtrl:getCharAt(Editor, ColonPos) of
$: ->
wxStyledTextCtrl:wordStartPosition(Editor, ColonPos, true);
_ ->
Left
end,
Right2 =
case wxStyledTextCtrl:getCharAt(Editor, Right) of
$: ->
wxStyledTextCtrl:wordEndPosition(Editor, Right + 1, true);
_ ->
Right
end,
case [wxStyledTextCtrl:getCharAt(Editor, Right2)] of
"(" ->
wxStyledTextCtrl:setSelection(Editor, Left2, Right2),
Text = wxStyledTextCtrl:getSelectedText(Editor),
S2 = add_pos_to_history(S, CurrentPos),
do_goto_function(S2, string:tokens(Text, ":"));
_ ->
%% No function call
wxStyledTextCtrl:hideSelection(Editor, false),
wxStyledTextCtrl:setSelection(Editor, Left2, Right2),
S
end.
do_goto_function(S, []) ->
S;
do_goto_function(#state{active_page = P} = S, [FunName]) ->
wxStyledTextCtrl:gotoPos(P#code_page.editor, 1),
find_regexp_forward(S, "^" ++ FunName ++ "(");
do_goto_function(S, [ModStr, FunStr]) ->
case reltool_server:get_mod(S#state.xref_pid, list_to_atom(ModStr)) of
{ok, Mod} when Mod#mod.app_name =/= ?MISSING_APP_NAME ->
S2 = create_code_page(S#state{mod = Mod}, ModStr),
find_regexp_forward(S2, "^" ++ FunStr ++ "(");
{ok, _} ->
wxStatusBar:setStatusText(S#state.status_bar,
"No such module: " ++ ModStr),
S
end.
goto_back(#state{active_page =
#code_page{editor = Editor, find_data = Data} = Page,
code_pages = Pages} = S) ->
case Data#find_data.history of
[PrevPos | History] ->
LineNo = wxStyledTextCtrl:lineFromPosition(Editor, PrevPos),
Data2 = Data#find_data{history = History},
Page2 = Page#code_page{find_data = Data2},
Pages2 = lists:keystore(Page2#code_page.name,
#code_page.name,
Pages,
Page2),
goto_line(S#state{active_page = Page2, code_pages = Pages2},
LineNo);
[] ->
wxStatusBar:setStatusText(S#state.status_bar, "No history"),
S
end.
add_pos_to_history(#state{active_page = Page, code_pages = Pages} = S,
CurrentPos) ->
Data = Page#code_page.find_data,
Data2 = Data#find_data{history = [CurrentPos | Data#find_data.history]},
Page2 = Page#code_page{find_data = Data2},
Pages2 =
lists:keystore(Page2#code_page.name, #code_page.name, Pages, Page2),
S#state{active_page = Page2, code_pages = Pages2}.
create_editor(Parent) ->
FixedFont = wxFont:new(10, ?wxFONTFAMILY_TELETYPE, ?wxNORMAL, ?wxNORMAL,[]),
%%Ed = wxStyledTextCtrl:new(Parent, [{size, {700, 500}}]),
Ed = wxStyledTextCtrl:new(Parent),
wxStyledTextCtrl:styleClearAll(Ed),
wxStyledTextCtrl:styleSetFont(Ed, ?wxSTC_STYLE_DEFAULT, FixedFont),
wxStyledTextCtrl:setLexer(Ed, ?wxSTC_LEX_ERLANG),
wxStyledTextCtrl:setMarginType(Ed, 0, ?wxSTC_MARGIN_NUMBER),
LW = wxStyledTextCtrl:textWidth(Ed, ?wxSTC_STYLE_LINENUMBER, "9"),
wxStyledTextCtrl:setMarginWidth(Ed, 0, LW),
wxStyledTextCtrl:setSelectionMode(Ed, ?wxSTC_SEL_LINES),
%%wxStyledTextCtrl:hideSelection(Ed, true),
Styles = [{?wxSTC_ERLANG_DEFAULT, {0,0,0}},
{?wxSTC_ERLANG_COMMENT, {160,53,35}},
{?wxSTC_ERLANG_VARIABLE, {150,100,40}},
{?wxSTC_ERLANG_NUMBER, {5,5,100}},
{?wxSTC_ERLANG_KEYWORD, {130,40,172}},
{?wxSTC_ERLANG_STRING, {170,45,132}},
{?wxSTC_ERLANG_OPERATOR, {30,0,0}},
{?wxSTC_ERLANG_ATOM, {0,0,0}},
{?wxSTC_ERLANG_FUNCTION_NAME, {64,102,244}},
{?wxSTC_ERLANG_CHARACTER,{236,155,172}},
{?wxSTC_ERLANG_MACRO, {40,144,170}},
{?wxSTC_ERLANG_RECORD, {40,100,20}},
{?wxSTC_ERLANG_SEPARATOR,{0,0,0}},
{?wxSTC_ERLANG_NODE_NAME,{0,0,0}}],
SetStyle = fun({Style, Color}) ->
wxStyledTextCtrl:styleSetFont(Ed, Style, FixedFont),
wxStyledTextCtrl:styleSetForeground(Ed, Style, Color)
end,
lists:foreach(fun (Style) -> SetStyle(Style) end, Styles),
wxStyledTextCtrl:setKeyWords(Ed, 0, keyWords()),
%% Margins Markers
%% Breakpoint Should be a pixmap?
wxStyledTextCtrl:markerDefine(Ed, 0, ?wxSTC_MARK_CIRCLE,
[{foreground, {170,20,20}}]),
wxStyledTextCtrl:markerDefine(Ed, 0, ?wxSTC_MARK_CIRCLE,
[{background, {200,120,120}}]),
%% Disabled Breakpoint
wxStyledTextCtrl:markerDefine(Ed, 1, ?wxSTC_MARK_CIRCLE,
[{foreground, {20,20,170}}]),
wxStyledTextCtrl:markerDefine(Ed, 1, ?wxSTC_MARK_CIRCLE,
[{background, {120,120,200}}]),
%% Current Line
wxStyledTextCtrl:markerDefine(Ed, 2, ?wxSTC_MARK_ARROW,
[{foreground, {20,170,20}}]),
wxStyledTextCtrl:markerDefine(Ed, 2, ?wxSTC_MARK_ARROW,
[{background, {200,255,200}}]),
wxStyledTextCtrl:markerDefine(Ed, 3, ?wxSTC_MARK_BACKGROUND,
[{background, {200,255,200}}]),
%% Scrolling
Policy = ?wxSTC_CARET_SLOP bor ?wxSTC_CARET_JUMPS bor ?wxSTC_CARET_EVEN,
wxStyledTextCtrl:setYCaretPolicy(Ed, Policy, 3),
wxStyledTextCtrl:setVisiblePolicy(Ed, Policy, 3),
wxStyledTextCtrl:connect(Ed, stc_doubleclick),
wxWindow:connect(Ed, enter_window),
wxStyledTextCtrl:setReadOnly(Ed, true),
Ed.
create_search_area(Parent) ->
Sizer = wxBoxSizer:new(?wxHORIZONTAL),
wxSizer:add(Sizer, wxStaticText:new(Parent, ?wxID_ANY, "Find:"),
[{flag,?wxALIGN_CENTER_VERTICAL}]),
TC1 = wxTextCtrl:new(Parent, ?SEARCH_ENTRY, [{style, ?wxTE_PROCESS_ENTER}]),
wxSizer:add(Sizer, TC1, [{proportion,3}, {flag, ?wxEXPAND}]),
Nbtn = wxRadioButton:new(Parent, ?wxID_ANY, "Next"),
wxRadioButton:setValue(Nbtn, true),
wxSizer:add(Sizer,Nbtn,[{flag,?wxALIGN_CENTER_VERTICAL}]),
Pbtn = wxRadioButton:new(Parent, ?wxID_ANY, "Previous"),
wxSizer:add(Sizer,Pbtn,[{flag,?wxALIGN_CENTER_VERTICAL}]),
Cbtn = wxCheckBox:new(Parent, ?wxID_ANY, "Match Case"),
wxSizer:add(Sizer,Cbtn,[{flag,?wxALIGN_CENTER_VERTICAL}]),
wxSizer:add(Sizer, 15,15, [{proportion,1}, {flag, ?wxEXPAND}]),
wxSizer:add(Sizer, wxStaticText:new(Parent, ?wxID_ANY, "Goto Line:"),
[{flag,?wxALIGN_CENTER_VERTICAL}]),
TC2 = wxTextCtrl:new(Parent, ?GOTO_ENTRY, [{style, ?wxTE_PROCESS_ENTER}]),
wxSizer:add(Sizer, TC2, [{proportion,0}, {flag, ?wxEXPAND}]),
Button = wxButton:new(Parent, ?wxID_ANY, [{label, "Back"}]),
wxSizer:add(Sizer, Button, []),
wxEvtHandler:connect(Button, command_button_clicked,
[{userData, history_back}]),
%% wxTextCtrl:connect(TC1, command_text_updated),
wxTextCtrl:connect(TC1, command_text_enter),
%% wxTextCtrl:connect(TC1, kill_focus),
wxTextCtrl:connect(TC2, command_text_enter),
wxWindow:connect(Parent, command_button_clicked),
{#find_objs{search = TC1,goto = TC2,radio = {Nbtn,Pbtn,Cbtn}},
#find_data{start = 0, found = false, history = []},
Sizer}.
load_code(Ed, Code) when is_binary(Code) ->
wxStyledTextCtrl:setReadOnly(Ed, false),
wxStyledTextCtrl:setTextRaw(Ed, <<Code/binary, 0:8>>),
Lines = wxStyledTextCtrl:getLineCount(Ed),
Sz = trunc(math:log10(Lines))+1,
LW = wxStyledTextCtrl:textWidth(Ed,
?wxSTC_STYLE_LINENUMBER,
lists:duplicate(Sz, $9)),
%%io:format("~p ~p ~p~n", [Lines, Sz, LW]),
wxStyledTextCtrl:setMarginWidth(Ed, 0, LW+5),
wxStyledTextCtrl:setReadOnly(Ed, true),
Ed.
keyWords() ->
L = ["after","begin","case","try","cond","catch","andalso","orelse",
"end","fun","if","let","of","query","receive","when","bnot","not",
"div","rem","band","and","bor","bxor","bsl","bsr","or","xor"],
lists:flatten([K ++ " " || K <- L] ++ [0]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% sys callbacks
system_continue(_Parent, _Debug, S) ->
?MODULE:loop(S).
system_terminate(Reason, _Parent, _Debug, _S) ->
exit(Reason).
system_code_change(S,_Module,_OldVsn,_Extra) ->
{ok, S}.
