From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001
From: Erlang/OTP <otp@erlang.org>
Date: Fri, 20 Nov 2009 14:54:40 +0000
Subject: The R13B03 release.

---
 lib/debugger/src/dbg_ui_settings.erl | 162 +++++++++++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 lib/debugger/src/dbg_ui_settings.erl

(limited to 'lib/debugger/src/dbg_ui_settings.erl')

diff --git a/lib/debugger/src/dbg_ui_settings.erl b/lib/debugger/src/dbg_ui_settings.erl
new file mode 100644
index 0000000000..146aa7e239
--- /dev/null
+++ b/lib/debugger/src/dbg_ui_settings.erl
@@ -0,0 +1,162 @@
+%%
+%% %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.
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