The R13B03 release.OTP_R13B03

1 files changed, 184 insertions, 0 deletions

diff --git a/lib/gs/src/gstk_rectangle.erl b/lib/gs/src/gstk_rectangle.erl
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+++ b/lib/gs/src/gstk_rectangle.erl
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+%%
+%% %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 Rectangle Type
+%% ------------------------------------------------------------
+
+-module(gstk_rectangle).
+
+%%-----------------------------------------------------------------------------
+%% 			    RECTANGLE OPTIONS
+%%
+%%  Attributes:
+%%	bw			Int
+%%	coords			[{X1,Y1}, {X2,Y2}]
+%%	data			Data
+%%	fg			Color
+%%	fill			Color
+%%	stipple			Bool
+%%
+%%  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
+%%
+
+
+-export([create/3, config/3, read/3, delete/2, destroy/3, event/5,
+	 option/5,read_option/5]).
+
+-include("gstk.hrl").
+
+%%-----------------------------------------------------------------------------
+%%			MANDATORY INTERFACE FUNCTIONS
+%%-----------------------------------------------------------------------------
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Function   	: create/7
+%% Purpose    	: Create a widget of the type defined in this module.
+%% Args        	: DB	  - The Database
+%%		  Objmod  - An atom, this module
+%%		  Objtype - An atom, the logical widget type
+%%		  Owner   - Pid of the creator
+%%		  Name    - An atom naming the widget
+%%		  Parent  - Gsid of the parent
+%%		  Opts    - A list of options for configuring the widget
+%%
+%% Return 	: [Gsid_of_new_widget | {bad_result, Reason}]
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+create(DB,Gstkid, Opts) ->
+    case gstk_canvas:pickout_coords(Opts, [],rectangle,2) of
+	{error, Error} ->
+	    {bad_result, Error};
+	{Coords, NewOpts} ->
+	    gstk_db:insert_opt(DB,Gstkid,gs:pair(coords,Opts)),
+	    Ngstkid=gstk_canvas:upd_gstkid(DB, Gstkid, Opts),
+	    #gstkid{widget=CanvasTkW}=Ngstkid,
+	    MCmd = [CanvasTkW, " create re ", 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
+%%		  Gstkid   - The gstkid of the widget
+%%		  MainW   - The main tk-widget
+%%		  Canvas  - The canvas tk-widget
+%%		  DB	  - The Database
+%%
+%% Return 	: A tuple {OptionType, OptionCmd}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+option(Option, _Gstkid, _Canvas, _DB, _AItem) ->
+    case Option of
+	{bw,            Int} -> {s, [" -w ", gstk:to_ascii(Int)]};
+	{fg,          Color} -> {s, [" -outline ", gstk:to_color(Color)]};
+	_ -> invalid_option
+    end.
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Function   	: read_option/5
+%% Purpose    	: Take care of a read option
+%% Args        	: DB	  - The Database
+%%		  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
+	bw       -> tcl2erl:ret_int([Canvas, " itemcg ", AItem, " -w"]);
+	fg       -> tcl2erl:ret_color([Canvas," itemcg ", AItem, " -outline"]);
+	stipple  ->
+	    tcl2erl:ret_stipple([Canvas, " itemcg ", AItem, " -stipple"]);
+	_ -> {bad_result, {Gstkid#gstkid.objtype, invalid_option, Option}}
+    end.
+
+%% ----- Done -----