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/pman/src/pman_module_info.erl | 131 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 lib/pman/src/pman_module_info.erl

(limited to 'lib/pman/src/pman_module_info.erl')

diff --git a/lib/pman/src/pman_module_info.erl b/lib/pman/src/pman_module_info.erl
new file mode 100644
index 0000000000..cfd711a6e1
--- /dev/null
+++ b/lib/pman/src/pman_module_info.erl
@@ -0,0 +1,131 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 1997-2009. 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(pman_module_info).
+
+%% Window with module information (View->Module Info...)
+
+%% External exports
+-export([start/1]).
+
+%% Record for keeping the loop state for the 
+%% module info process.
+-record(state, {topwin,      % GS identifier for top window
+		editor,      % GS identifier for editor
+		module,      % Name of the viewed module
+		parent}).    % Pid of the parent
+
+start(Module) ->
+    Self = self(),
+    spawn_link(fun() -> init(Module, Self) end).
+
+init(Module, Parent) ->
+    process_flag(trap_exit, true),
+
+    GS = gs:start([{kernel,true}]),
+    Font = pman_win:font(GS),
+
+    WinTitle = lists:flatten(io_lib:format("Pman - Module Info: ~p",
+					   [Module])),
+    WinOptions = [{title,WinTitle}, {width,550}, {height, 400},
+		  {configure,true}, {keypress,true}, {destroy,true}],
+    TopWindow = gse:window(GS, WinOptions),
+
+    %% File menu
+    MenuBar = gse:menubar(TopWindow, []),
+    MBFile = gse:menubutton(MenuBar, [{label,{text," File "}},
+				      {font,Font}, {underline, 1}]),
+    MenuFile = gse:menu(MBFile, []),
+
+    gse:named_menuitem('Save buffer', MenuFile,
+		       [{label,{text,"Save buffer..."}},
+			{font,Font}, {underline,0}]),
+    gse:named_menuitem('Close', MenuFile,
+		       [{label,{text,"Close"}},
+			{font,Font}, {underline,0}]),
+
+    %% Output part of window
+    Editor = gse:editor(TopWindow,
+			[{font,Font},
+			 {x,3}, {y,40}, {width,546}, {height,348}]),
+    gse:config(Editor, [{keypress,true},
+			{insert,{'end',pman_win:module_data(Module)}}]),
+    gse:config(Editor, [{enable,false},
+			{vscroll,right}, {hscroll,bottom},
+			{wrap,none}]),
+    gse:map(TopWindow),
+
+    State = #state{topwin=TopWindow, editor=Editor, module=Module,
+		   parent=Parent},
+    loop(State).
+
+loop(State) ->
+
+    receive
+	%% Die if the parent dies
+	{'EXIT', Pid, _Reason} when Pid==State#state.parent ->
+	    gse:destroy(State#state.topwin);
+
+	%% Ignore other exit signals (from file dialog window)
+	{'EXIT', _Pid, _Reason} ->
+	    loop(State);
+
+	%% Window closed
+	{gs, _TopWindow, destroy, [], []} ->
+	    ok;
+
+	%% Window resized or moved
+        {gs, _TopWindow, configure ,_Data, [W,H,_X,_Y|_]} ->
+	    gs:config(State#state.editor, [{width,W-3}, {height,H-40}]),
+	    loop(State);
+
+	%% Close - destroy window and exit process
+	{gs, 'Close', click, _Data, _Args} ->
+	    gse:destroy(State#state.topwin),
+	    ok;
+
+	%% Save Buffer - make filename and save buffer to file
+	{gs, 'Save buffer', click, _Data, _Args} ->
+	    save_buffer(State),
+	    loop(State);
+
+	%% Keyboard accelerator commands
+	{gs, _, keypress, [], [c,_,0,1]} -> % 'Close'
+	    gse:destroy(State#state.topwin),
+	    ok;
+	{gs, _, keypress, [], [s,_,0,1]} -> % 'Save buffer'
+	    save_buffer(State),
+	    loop(State);
+	{gs, _, keypress, _Data, _Args} ->
+	    loop(State)
+    end.
+
+save_buffer(State) ->
+    DefaultFile = atom_to_list(State#state.module) ++ ".module_info",
+    Result = tool_utils:file_dialog([{type,save}, {file,DefaultFile}]),
+    case Result of
+	%% User selected a file, now save the result
+	{ok, File, _Dir} ->	    
+	    gs:config(State#state.editor, {save,File}),
+	    Msg = "Module information saved in file\n" ++ File,
+	    tool_utils:notify(State#state.topwin, Msg);
+
+	%% File dialog was cancelled in some way.
+	{error, _Reason} ->
+	    ignore
+    end.
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