The R13B03 release.OTP_R13B03

1 files changed, 266 insertions, 0 deletions

diff --git a/lib/gs/src/gstk_menu.erl b/lib/gs/src/gstk_menu.erl
new file mode 100644
index 0000000000..3957951a35
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+++ b/lib/gs/src/gstk_menu.erl
@@ -0,0 +1,266 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 1996-2009. 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%
+%%
+
+%%
+%%-----------------------------------------------------------------------------
+%%                         BASIC MENU TYPE
+%%------------------------------------------------------------------------------
+
+-module(gstk_menu).
+
+%%------------------------------------------------------------------------------
+%% 			    MENU OPTIONS
+%%
+%%  Attribute:
+%%	activebg		Color
+%%	activebw		Int
+%%	activefg		Color
+%%	bg			Color
+%%	bw			Int
+%%	data			Data
+%%	disabledfg		Color
+%%	fg			Color
+%%	relief			Relief	[flat|raised|sunken|ridge|groove]
+%%	selectcolor		Color
+%%
+%%  Commands:
+%%	setfocus		[Bool | {Bool, Data}]
+%%
+%%  Events:
+%%	buttonpress		[Bool | {Bool, Data}]
+%%	buttonrelease		[Bool | {Bool, Data}]
+%%	configure		[Bool | {Bool, Data}]
+%%	destroy			[Bool | {Bool, Data}]
+%%	enter			[Bool | {Bool, Data}]
+%%	focus			[Bool | {Bool, Data}]
+%%	keypress		[Bool | {Bool, Data}]
+%%	keyrelease		[Bool | {Bool, Data}]
+%%	leave			[Bool | {Bool, Data}]
+%%	motion			[Bool | {Bool, Data}]
+%%
+%%  Read Options:
+%%	children
+%%	id
+%%	parent
+%%	type
+%%
+%%  Not Implemented:
+%%	post			{X,Y}
+%%	unpost
+%%	align			n,w,s,e,nw,se,ne,sw,center
+%%	anchor			n,w,s,e,nw,se,ne,sw,center
+%%	cursor			??????
+%%	focus			?????? (-takefocus)
+%%	height			Int
+%%	justify			left|right|center	(multiline text only)
+%%	width			Int
+%%	x			Int	(valid only for popup menus)
+%%	y			Int	(valid only for popup menus)
+%%
+
+-export([create/3, config/3, read/3, delete/2, event/5,option/5,read_option/5]).
+-export([delete_menuitem/3, insert_menuitem/4, lookup_menuitem_pos/3,
+	 mk_create_opts_for_child/4]).
+
+-include("gstk.hrl").
+
+%%------------------------------------------------------------------------------
+%%			MANDATORY INTERFACE FUNCTIONS
+%%------------------------------------------------------------------------------
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Function   	: create/3
+%% Purpose    	: Create a widget of the type defined in this module.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+create(DB, GstkId, Opts) ->
+    #gstkid{parent=Parent,owner=Owner,objtype=Objtype}=GstkId,
+    Pgstkid = gstk_db:lookup_gstkid(DB, Parent, Owner),
+    Oref = gstk_db:counter(DB, Objtype),
+    PF = gstk_widgets:suffix(Objtype),
+    case Pgstkid#gstkid.objtype of
+	menuitem ->
+	    PMenu = Pgstkid#gstkid.parent,
+	    PMgstkid = gstk_db:lookup_gstkid(DB, PMenu, Owner),
+	    PMW = PMgstkid#gstkid.widget,
+	    Index = gstk_menu:lookup_menuitem_pos(DB, PMgstkid, Pgstkid#gstkid.id),
+	    TkW = lists:concat([PMW, PF, Oref]),
+	    Gstkid=GstkId#gstkid{widget=TkW, widget_data=[]},
+	    MPreCmd = ["menu ", TkW, " -tearoff 0 -relief raised -bo 2"],
+	    MPostCmd = [$;,PMW," entryco ",gstk:to_ascii(Index)," -menu ",TkW],
+	    case gstk_generic:make_command(Opts, Gstkid, TkW, "", "", DB) of
+		{error,Reason} -> {error,Reason};
+		Cmd when is_list(Cmd) ->
+		    gstk:exec([MPreCmd,Cmd,MPostCmd]),
+		    Gstkid
+	    end;
+	OtherParent ->
+	    true = lists:member(OtherParent,
+				%% grid+canvas har skumma coord system
+				[menubutton,window,frame]),
+	    PW = Pgstkid#gstkid.widget,
+	    TkW = lists:concat([PW, PF, Oref]),
+	    Gstkid=GstkId#gstkid{widget=TkW, widget_data=[]},
+	    MPreCmd = ["menu ", TkW, " -tearoff 0 -relief raised -bo 2 "],
+	    MPostCmd = if OtherParent == menubutton ->
+			       [$;, PW, " conf -menu ", TkW];
+			  true -> []
+		       end,
+	    case gstk_generic:make_command(Opts, Gstkid, TkW, "","", DB) of
+		{error,Reason} -> {error,Reason};
+		Cmd when is_list(Cmd) ->
+		    gstk:exec([MPreCmd,Cmd,MPostCmd]),
+		    Gstkid
+	    end
+    end.
+
+mk_create_opts_for_child(DB,Cgstkid, Pgstkid, Opts) ->
+    gstk_generic:mk_create_opts_for_child(DB,Cgstkid,Pgstkid,Opts).
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Function   	: config/3
+%% Purpose    	: Configure a widget of the type defined in this module.
+%% Args        	: DB	  - The Database
+%%		  Gstkid   - The gstkid of the widget
+%%		  Opts    - A list of options for configuring the widget
+%%
+%% Return 	: [true | {bad_result, Reason}]
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+config(DB, Gstkid, Opts) ->
+    TkW = Gstkid#gstkid.widget,
+    PreCmd = [TkW, " conf"],
+    gstk_generic:mk_cmd_and_exec(Opts, Gstkid, TkW, PreCmd, "", DB).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Function   	: read/3
+%% Purpose    	: Read one option from a widget
+%% Args        	: DB	  - The Database
+%%		  Gstkid   - The gstkid of the widget
+%%		  Opt     - An option to read
+%%
+%% Return 	: [OptionValue | {bad_result, Reason}]
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+read(DB, Gstkid, Opt) ->
+    gstk_generic:read_option(DB, Gstkid, Opt).
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Function   	: delete/2
+%% Purpose    	: Delete widget from databas and return tkwidget to destroy
+%% Args        	: DB	  - The Database
+%%		  Gstkid   - The gstkid of the widget
+%%
+%% Return 	: TkWidget to destroy
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+delete(DB, Gstkid) ->
+    gstk_db:delete_widget(DB, Gstkid),
+    Gstkid#gstkid.widget.
+
+event(DB, Gstkid, Etype, Edata, Args) ->
+    gstk_generic:event(DB, Gstkid, Etype, Edata, Args).
+
+%%------------------------------------------------------------------------------
+%%			MANDATORY FUNCTIONS
+%%------------------------------------------------------------------------------
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Function   	: option/4
+%% Purpose    	: Take care of options
+%% Args        	: Option  - An option tuple
+%%		  Gstkid   - The gstkid of the widget
+%%		  TkW     - The  tk-widget
+%%		  DB	  - The Database
+%%
+%% Return 	: A tuple {OptionType, OptionCmd}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+option(Option, Gstkid, TkW, DB,_) ->
+    case Option of
+	{activebw,      Int} -> {s, [" -activebo ", gstk:to_ascii(Int)]};
+	{disabledfg,  Color} -> {s, [" -disabledf ", gstk:to_color(Color)]};
+	{selectcolor, Color} -> {s, [" -selectc ", gstk:to_color(Color)]};
+	{post_at,     {X,Y}} -> post_at(X,Y,Gstkid,TkW,DB);
+	_                    -> invalid_option
+    end.
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Function   	: read_option/5
+%% Purpose    	: Take care of a read option
+%% Args        	: DB	  - The Database
+%%		  Gstkid   - The gstkid of the widget
+%%		  Option  - An option
+%%
+%% Return 	: The value of the option or invalid_option
+%%		  [OptionValue | {bad_result, Reason}]
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+read_option(Option, Gstkid, TkW, _DB, _AItem) ->
+    case Option of
+	activebw      -> tcl2erl:ret_int([TkW," cg -activebo"]);
+	disabledfg    -> tcl2erl:ret_color([TkW," cg -disabledfo"]);
+	selectcolor   -> tcl2erl:ret_color([TkW," cg -selectc"]);
+	_ -> {error,{invalid_option,Option, Gstkid#gstkid.objtype}}
+    end.
+
+post_at(X,Y,Gstkid,TkW,DB) ->
+    Pgstkid = gstk_db:lookup_gstkid(DB, Gstkid#gstkid.parent),
+    PtkW = Pgstkid#gstkid.widget,
+    RootX = tcl2erl:ret_int(["winfo rootx ",PtkW]),
+    RootY = tcl2erl:ret_int(["winfo rooty ",PtkW]),
+    {c,[" tk_popup ",TkW," ",gstk:to_ascii(RootX+X)," ",gstk:to_ascii(RootY+Y)]}.
+
+
+%%-----------------------------------------------------------------------------
+%%			       PRIMITIVES
+%%-----------------------------------------------------------------------------
+%%----------------------------------------------------------------------
+%% gstk_db functions for menuitem handling
+%% Tk menuitems are numbered from 0, thus we have to recalc the position.
+%%----------------------------------------------------------------------
+insert_menuitem(DB, MenuId, ItemId, Pos) ->
+    Mgstkid = gstk_db:lookup_gstkid(DB, MenuId),
+    Items = Mgstkid#gstkid.widget_data,
+    NewItems = insert_at(ItemId, Pos+1, Items),
+    gstk_db:update_widget(DB, Mgstkid#gstkid{widget_data=NewItems}).
+
+
+delete_menuitem(DB, MenuId, ItemId) ->
+    Mgstkid = gstk_db:lookup_gstkid(DB, MenuId),
+    Items = Mgstkid#gstkid.widget_data,
+    NewItems = lists:delete(ItemId, Items),
+    gstk_db:insert_widget(DB, Mgstkid#gstkid{widget_data=NewItems}).
+
+
+lookup_menuitem_pos(_DB, Mgstkid, ItemId) ->
+    Items = Mgstkid#gstkid.widget_data,
+    find_pos(ItemId, Items) - 1.
+
+%%----------------------------------------------------------------------
+%% Generic list processing
+%%----------------------------------------------------------------------
+find_pos(ItemId, Items) ->
+    find_pos(ItemId, Items, 1).
+
+find_pos(_ItemId, [], _N) -> gs:error("Couldn't find item in menu~n", []);
+find_pos(ItemId, [ItemId|_Items], N) -> N;
+find_pos(ItemId, [_|Items], N) ->
+    find_pos(ItemId, Items, N + 1).
+
+insert_at(Elem, 1, L) -> [Elem | L];
+insert_at(Elem, N, [H|T]) ->
+    [H|insert_at(Elem, N-1, T)].
+
+%% ----- Done -----