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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 CheckButton Type
%% ------------------------------------------------------------
-module(gstk_checkbutton).
%%------------------------------------------------------------------------------
%% CHECKBUTTON OPTIONS
%%
%% Attributes:
%% activebg Color
%% activefg Color
%% align n,w,s,e,nw,se,ne,sw,center
%% anchor n,w,s,e,nw,se,ne,sw,center
%% bg Color
%% bw Int
%% data Data
%% disabledfg Color
%% fg Color
%% group Atom
%% groupid Groupid
%% height Int
%% highlightbg Color
%% highlightbw Int
%% highlightfg Color
%% justify left|right|center
%% label {text, String} | {image, BitmapFile}
%% padx Int (Pixels)
%% pady Int (Pixels)
%% relief Relief [flat|raised|sunken|ridge|groove]
%% select Bool
%% selectbg Color
%% underline Int
%% width Int
%% wraplength Int
%% x Int
%% y Int
%%
%% Commands:
%% enable Bool
%% flash
%% invoke
%% setfocus Bool
%% toggle
%%
%% Events:
%% buttonpress [Bool | {Bool, Data}]
%% buttonrelease [Bool | {Bool, Data}]
%% click [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:
%% cursor ??????
%% focus ?????? (-takefocus)
%% font ??????
%%
-export([create/3,config/3,read/3,delete/2,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.
%% Return : [Gsid_of_new_widget | {bad_result, Reason}]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
create(DB, GstkId, Opts) ->
TkW = gstk_generic:mk_tkw_child(DB,GstkId),
{G, GID, _NOpts} = fix_group(Opts, DB, GstkId#gstkid.owner),
NGstkId=GstkId#gstkid{widget=TkW,widget_data={G, GID}},
PlacePreCmd = [";place ", TkW],
case gstk_generic:make_command(Opts,NGstkId,TkW,"",PlacePreCmd,DB) of
{error,Reason} -> {error,Reason};
Cmd when is_list(Cmd) ->
gstk:exec(["checkbutton ", TkW," -bo 2 -indi true ",Cmd]),
NGstkId
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% 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,
{NOpts, NGstkid} = fix_group(Opts, DB, Gstkid#gstkid.owner, Gstkid),
SimplePreCmd = [TkW, " conf"],
PlacePreCmd = [";place ", TkW],
gstk_generic:mk_cmd_and_exec(NOpts,NGstkid,TkW,SimplePreCmd,PlacePreCmd,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),
{_, Gid} = Gstkid#gstkid.widget_data,
gstk_db:delete_bgrp(DB, Gid),
Gstkid#gstkid.widget.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Function : event/5
%% Purpose : Construct the event and send it to the owner of the widget
%% Args : DB - The Database
%% Gstkid - The gstkid of the widget
%% Etype - The event type
%% Edata - The event data
%% Args - The data from tcl/tk
%%
%% Return : true
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
event(DB, Gstkid, Etype, Edata, Args) ->
Arg2 = case Etype of
click ->
[Text, Bool | Rest] = Args,
RBool = case Bool of
1 -> true;
_Other2 -> false
end,
{G, _Gid} = Gstkid#gstkid.widget_data,
[Text, G, RBool | Rest];
_Other3 ->
Args
end,
gstk_generic:event(DB, Gstkid, Etype, Edata, Arg2).
%%------------------------------------------------------------------------------
%% 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
{disabledfg, Color} -> {s, [" -disabledforegr ", gstk:to_color(Color)]};
{group, Group} -> {s, [" -var ", gstk:to_ascii(Group)]};
{selectbg, Color} -> {s, [" -selectc ", gstk:to_color(Color)]};
{underline, Int} -> {s, [" -un ", gstk:to_ascii(Int)]};
{wraplength, Int} -> {s, [" -wr ", gstk:to_ascii(Int)]};
flash -> {c, [TkW, " f;"]};
invoke -> {c, [TkW, " i;"]};
toggle -> {c, [TkW, " to;"]};
{select, true} -> {c, [TkW, " se;"]};
{select, false} -> {c, [TkW, " de;"]};
{click, On} -> cbind(DB, Gstkid, click, On);
_ -> invalid_option
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Function : read_option/3
%% 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,_) ->
case Option of
disabledfg -> tcl2erl:ret_color([TkW," cg -disabledforegr"]);
group -> {G, _} = Gstkid#gstkid.widget_data, G;
selectbg -> tcl2erl:ret_color([TkW," cg -selectc"]);
groupid -> {_, Gid} = Gstkid#gstkid.widget_data, Gid;
underline -> tcl2erl:ret_int([TkW," cg -un"]);
wraplength -> tcl2erl:ret_int([TkW," cg -wr"]);
select -> tcl2erl:ret_bool(["set x [", TkW,
" cg -va];global $x;set $x"]);
click -> gstk_db:is_inserted(DB, Gstkid, click);
_ -> {bad_result, {Gstkid#gstkid.objtype, invalid_option, Option}}
end.
%%------------------------------------------------------------------------------
%% PRIMITIVES
%%------------------------------------------------------------------------------
%% check button version
%% create version
fix_group(Opts, DB, Owner) ->
{G, GID, NOpts} = fg(Opts, erlNIL, erlNIL, []),
NG = case G of
erlNIL ->
Vref = gstk_db:counter(DB, variable),
list_to_atom(lists:flatten(["cb", gstk:to_ascii(Vref)]));
Other1 -> Other1
end,
RGID = case GID of
erlNIL -> {cbgrp, NG, Owner};
Other2 -> Other2
end,
RG = gstk_db:insert_bgrp(DB, RGID),
{NG, RGID, [{group, RG} | NOpts]}.
%% config version
fix_group(Opts, DB, Owner, Gstkid) ->
{RG, RGID} = Gstkid#gstkid.widget_data,
{G, GID, NOpts} = fg(Opts, RG, RGID, []),
case {G, GID} of
{RG, RGID} ->
{NOpts, Gstkid};
{NG, RGID} ->
NGID = {cbgrp, NG, Owner},
gstk_db:delete_bgrp(DB, RGID),
NRG = gstk_db:insert_bgrp(DB, NGID),
NGstkid = Gstkid#gstkid{widget_data={NG,NGID}},
gstk_db:insert_widget(DB, NGstkid),
{[{group, NRG} | NOpts], NGstkid};
{_, NGID} when NGID =/= RGID ->
gstk_db:delete_bgrp(DB, RGID),
NRG = gstk_db:insert_bgrp(DB, NGID),
NGstkid = Gstkid#gstkid{widget_data={RG,NGID}},
gstk_db:insert_widget(DB, NGstkid),
{[{group, NRG} | NOpts], NGstkid}
end.
fg([{group, G} | Opts], _, GID, Nopts) ->
fg(Opts, G, GID, Nopts);
fg([{groupid, GID} | Opts], G, _, Nopts) ->
fg(Opts, G, GID, Nopts);
fg([Opt | Opts], G, GID, Nopts) ->
fg(Opts, G, GID, [Opt | Nopts]);
fg([], Group, GID, Opts) ->
{Group, GID, Opts}.
%%
%% Config bind
%%
cbind(DB, Gstkid, Etype, On) ->
TkW = Gstkid#gstkid.widget,
Cmd = case On of
{true, Edata} ->
Eref = gstk_db:insert_event(DB, Gstkid, Etype, Edata),
[" -command {erlsend ", Eref, " \\\"[", TkW,
" cg -text]\\\" \[expr \$[", TkW, " cg -va]\]}"];
true ->
Eref = gstk_db:insert_event(DB, Gstkid, Etype, ""),
[" -command {erlsend ", Eref, " \\\"[", TkW,
" cg -text]\\\" \[expr \$[", TkW, " cg -va]\]}"];
_Other ->
gstk_db:delete_event(DB, Gstkid, Etype),
" -command {}"
end,
{s, Cmd}.
%% ----- Done -----
|
