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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/debugger/src/dbg_ui_settings.erl
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The R13B03 release.OTP_R13B03
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2002-2009. 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(dbg_ui_settings).
+
+-include_lib("kernel/include/file.hrl").
+
+%% External exports
+-export([start/4]).
+
+%% Internal exports
+-export([init/6]).
+
+%% OTP-6011 What's denoted gs="Graphics system id" is now in fact
+%% the object id of the monitor window.
+-record(state, {gs, % term() Graphics system id
+ win, % term() Settings dialog window data
+ monitor, % pid() Monitor pid
+ action % load | save
+ }).
+
+%%====================================================================
+%% External exports
+%%====================================================================
+
+%%--------------------------------------------------------------------
+%% start(GS, Pos, Action, SFile)
+%% GS = Graphics system id
+%% Pos = {X,Y}
+%% Action = load | save
+%% SFile = default | string()
+%%--------------------------------------------------------------------
+start(GS, Pos, Action, SFile) ->
+ Title = case Action of
+ load -> "Load Settings Dialog";
+ save -> "Save Settings Dialog"
+ end,
+ case dbg_ui_winman:is_started(Title) of
+ true -> ignore;
+ false ->
+ spawn(?MODULE, init, [self(), GS, Pos, Title, Action, SFile])
+ end.
+
+%%====================================================================
+%% Internal exports
+%%====================================================================
+
+init(Monitor, GS, Pos, Title, Action, SFile) ->
+ {SDir, SFileName} =
+ if
+ %% If settings are saved for the first time, and to
+ %% the default directory HOME/erlang.tools/debugger,
+ %% make sure the directory exists, or create it if
+ %% desired and possible
+ SFile==default -> {default_settings_dir(GS), "NoName.state"};
+ true -> {filename:dirname(SFile), filename:basename(SFile)}
+ end,
+
+ Filter = filename:join(SDir, "*.state"),
+ Extra = fun(_File) -> true end,
+
+ %% Create window
+ Win = case Action of
+ load ->
+ dbg_ui_filedialog_win:create_win(GS, Title, Pos, normal,
+ Filter, Extra);
+ save ->
+ dbg_ui_filedialog_win:create_win(GS, Title, Pos, normal,
+ Filter, Extra, SFileName)
+ end,
+ Window = dbg_ui_filedialog_win:get_window(Win),
+ dbg_ui_winman:insert(Title, Window),
+
+ State = #state{gs=GS, win=Win, monitor=Monitor, action=Action},
+ loop(State).
+
+
+%%====================================================================
+%% Main loop and message handling
+%%====================================================================
+
+loop(State) ->
+ receive
+
+ %% From the GUI
+ GuiEvent when is_tuple(GuiEvent), element(1, GuiEvent)==gs ->
+ Cmd = dbg_ui_filedialog_win:handle_event(GuiEvent,
+ State#state.win),
+ State2 = gui_cmd(Cmd, State),
+ loop(State2);
+
+ %% From the dbg_ui_winman process (Debugger window manager)
+ {dbg_ui_winman, update_windows_menu, _Data} ->
+ loop(State);
+ {dbg_ui_winman, destroy} ->
+ exit(normal)
+ end.
+
+gui_cmd(ignore, State) ->
+ State;
+gui_cmd({stopped, _Dir}, _State) ->
+ exit(normal);
+gui_cmd({win, Win}, State) ->
+ State#state{win=Win};
+gui_cmd({select, File}, State) ->
+ State#state.monitor ! {dbg_ui_settings, File, State#state.action},
+ exit(normal).
+
+
+%%====================================================================
+%% Internal functions
+%%====================================================================
+
+default_settings_dir(GS) ->
+ {ok, [[Home]]} = init:get_argument(home),
+ DefDir = filename:join([Home, ".erlang_tools", "debugger"]),
+
+ case filelib:is_dir(DefDir) of
+ true -> DefDir;
+ false ->
+ {ok, CWD} = file:get_cwd(),
+
+ Msg = ["Default directory", DefDir, "does not exist.",
+ "Click Ok to create it or",
+ "Cancel to use other directory!"],
+ case tool_utils:confirm(GS, Msg) of
+ ok ->
+ ToolsDir = filename:dirname(DefDir),
+ case filelib:is_dir(ToolsDir) of
+ true ->
+ case file:make_dir(DefDir) of
+ ok -> DefDir;
+ _Error -> CWD
+ end;
+ false ->
+ case file:make_dir(ToolsDir) of
+ ok ->
+ case file:make_dir(DefDir) of
+ ok -> DefDir;
+ _Error -> CWD
+ end;
+ _Error -> CWD
+ end
+ end;
+ cancel -> CWD
+ end
+ end.