The R13B03 release.OTP_R13B03

1 files changed, 189 insertions, 0 deletions

diff --git a/lib/gs/src/gstk_text.erl b/lib/gs/src/gstk_text.erl
new file mode 100644
index 0000000000..1e7101d834
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+++ b/lib/gs/src/gstk_text.erl
@@ -0,0 +1,189 @@
+%%
+%% %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 Text Type
+%% ------------------------------------------------------------
+
+-module(gstk_text).
+
+%%-----------------------------------------------------------------------------
+%% 			    TEXT OPTIONS
+%%
+%%  Attributes:
+%%	anchor			n|w|e|s|nw|sw|ne|se|center
+%%	coords			[{X,Y}]
+%%	data			Data
+%%	fg			Color
+%%	font			Font
+%%	justify			left | center | right
+%%	stipple			Bool
+%%	text			String
+%%	width			Int	(line length in characters)
+%%
+%%  Commands:
+%%	lower
+%%	move			{Dx, Dy}
+%%	raise
+%%	scale			{Xo, Yo, Sx, Sy}
+%%	setfocus		Bool
+%%
+%%  Events:
+%%	buttonpress		[Bool | {Bool, Data}]
+%%	buttonrelease		[Bool | {Bool, Data}]
+%%	enter			[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:
+%%	fontfamily		?????? Family
+%%	fontsize		?????? Size
+%%	style			?????? [bold,italic]
+%%
+
+-export([create/3, config/3, read/3, delete/2, destroy/3, event/5,
+	 option/5,read_option/5]).
+
+-include("gstk.hrl").
+
+%%-----------------------------------------------------------------------------
+%%			MANDATORY INTERFACE FUNCTIONS
+%%----------------------------------------------------------------------------
+create(DB, Gstkid, Opts) ->
+    case gstk_canvas:pickout_coords(Opts, [],text,1) of
+	{error, Error} ->
+	    {bad_result, Error};
+	{Coords, NewOpts} ->
+	    Ngstkid=gstk_canvas:upd_gstkid(DB, Gstkid, Opts),
+	    #gstkid{widget=CanvasTkW}=Ngstkid,
+	    MCmd = [CanvasTkW, " create te ", Coords],
+	    gstk_canvas:mk_cmd_and_call(NewOpts,Ngstkid,CanvasTkW, MCmd, DB)
+    end.
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Function   	: config/3
+%% Purpose    	: Configure a widget of the type defined in this module.
+%% Return 	: [true | {bad_result, Reason}]
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+config(DB, Gstkid, Opts) ->
+    gstk_canvas:item_config(DB, Gstkid, Opts).
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% 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) ->
+    Item = Gstkid#gstkid.widget_data,
+    gstk_generic:read_option(DB,Gstkid,Opt,[gstk:to_ascii(Item)]).
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% 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 | {Parent, Objmod, Args}.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+delete(DB, Gstkid) ->
+    gstk_canvas:item_delete_impl(DB,Gstkid).
+    
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Function   	: destroy/3
+%% Purpose    	: Destroy a widget
+%% Args        	: DB	  - The Database
+%%		  Canvas  - The canvas tk widget
+%%		  Item    - The item number to destroy
+%%
+%% Return 	: [true | {bad_result, Reason}]
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+destroy(_DB, Canvas, Item) ->
+    gstk:exec([Canvas, " delete ", gstk:to_ascii(Item)]).
+
+
+event(DB, Gstkid, Etype, Edata, Args) ->
+    gstk_generic:event(DB, Gstkid, Etype, Edata, Args).
+
+
+%%-----------------------------------------------------------------------------
+%%			MANDATORY FUNCTIONS
+%%-----------------------------------------------------------------------------
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Function   	: option/5
+%% Purpose    	: Take care of options
+%% Args        	: Option  - An option tuple
+%%		  MainW   - The main tk-widget
+%%
+%% Return 	: A tuple {OptionType, OptionCmd}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+option(Option, Gstkid, _Canvas, DB, _AItem) ->
+    case Option of
+	{anchor,         How} -> {s, [" -anchor ", gstk:to_ascii(How)]};
+	{fg,          Color} -> {s, [" -fi ", gstk:to_color(Color)]};
+	{font, Font} when is_tuple(Font) ->
+	    gstk_db:insert_opt(DB,Gstkid,Option),
+	    {s, [" -fo ", gstk_font:choose_ascii(DB,Font)]};
+	{justify,       How} -> {s, [" -j ", gstk:to_ascii(How)]};
+	{text,         Text} -> {s, [" -te ", gstk:to_ascii(Text)]};
+	{width,       Width} -> {s, [" -w ", gstk:to_ascii(Width)]};
+	_ -> 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, Canvas, DB, AItem) ->
+    case Option of
+	anchor   -> tcl2erl:ret_atom([Canvas, " itemcg ", AItem, " -anchor"]);
+	fg       -> tcl2erl:ret_color([Canvas, " itemcg ", AItem, " -fi"]);
+	font     -> gstk_db:opt(DB,Gstkid,font,undefined);
+	justify  -> tcl2erl:ret_atom([Canvas, " itemcg ", AItem, " -j"]);
+	stipple  -> tcl2erl:ret_stipple([Canvas," itemcg ",AItem," -stipple"]);
+	text     -> tcl2erl:ret_str([Canvas, " itemcg ", AItem, " -te"]);
+	width    -> tcl2erl:ret_int([Canvas, " itemcg ", AItem, " -w"]);
+	_ -> {bad_result, {Gstkid#gstkid.objtype, invalid_option, Option}}
+    end.
+
+
+%% ----- Done -----