%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1996-2012. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%% ------------------------------------------------------------
%% Basic Menuitem Type
%% ------------------------------------------------------------
-module(gstk_menuitem).
-compile([{nowarn_deprecated_function,{gs,error,2}}]).
%%-----------------------------------------------------------------------------
%% MENUITEM OPTIONS
%%
%% Attribute:
%% accelerator String
%% activebg Color
%% activefg Color
%% bg Color
%% color Color (same as fg)
%% data Data
%% fg Color
%% font Font
%% group Atom (valid only for radio type)
%% index Int
%% itemtype normal|check|radio|separator|cascade (|tearoff)
%% label {text, String} | {image, BitmapFile}
%% menu Menu (valid only for cascade type)
%% selectbg Color
%% underline Int
%% value Atom
%%
%% Commands:
%% activate
%% enable Bool
%% invoke
%%
%% Events:
%% click [Bool | {Bool, Data}]
%%
%% Read Options:
%% children
%% id
%% parent
%% type
%%
%% Not Implemented:
%% font Font
%% read menu on cascades
%%
-export([create/3, config/3, read/3, delete/2, destroy/3, event/5,
option/5,read_option/5,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,id=Id}=GstkId,
Pgstkid = gstk_db:lookup_gstkid(DB, Parent),
TkMenu = Pgstkid#gstkid.widget,
Widget = "",
{Index, Type, Options} = parse_opts(Opts, TkMenu),
PreCmd = [TkMenu, " insert ", gstk:to_ascii(Index)],
InsertArgs = [DB, Parent,Id, Index],
case Type of
check ->
{G, GID, NOpts} = fix_group(Options, DB, Owner),
TypeCmd = " ch",
Ngstkid=GstkId#gstkid{widget=Widget,widget_data={Type, G, GID}},
GenArgs = [NOpts,Ngstkid,TkMenu,"","",DB,{Type,Index}],
CallArgs = [PreCmd,TypeCmd],
mk_it(GenArgs,CallArgs,InsertArgs,Ngstkid);
radio ->
{G, GID, V, NOpts} = fix_group_and_value(Options, DB, Owner),
Ngstkid=GstkId#gstkid{widget=Widget, widget_data={Type,G,GID,V}},
TypeCmd = " ra",
GenArgs = [NOpts,Ngstkid,TkMenu,"", "",DB,{Type,Index}],
CallArgs = [PreCmd,TypeCmd],
mk_it(GenArgs,CallArgs,InsertArgs,Ngstkid);
_ ->
Ngstkid=GstkId#gstkid{widget=Widget, widget_data=Type},
TypeCmd = case Type of
normal -> " co";
separator -> " se";
cascade -> " ca"
end,
GenArgs = [Options,Ngstkid,TkMenu,"","",DB,{Type,Index}],
CallArgs = [PreCmd,TypeCmd],
mk_it(GenArgs,CallArgs,InsertArgs,Ngstkid)
end.
mk_it(GenArgs,CallArgs,InsertArgs,Ngstkid) ->
case apply(gstk_generic,make_command,GenArgs) of
{error,Reason} -> {error,Reason};
Cmd when is_list(Cmd) ->
case apply(gstk,call,[[CallArgs|Cmd]]) of
{result,_} ->
apply(gstk_menu,insert_menuitem,InsertArgs),
Ngstkid;
Bad_Result -> {error,Bad_Result}
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
%% Options - A list of options for configuring the widget
%%
%% Return : [true | {bad_result, Reason}]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% FIXME: Could we really trust Index? If we create a menu and put one
% entry in the middle of the meny, don't the entrys after that one
% renumber?
config(DB, Gstkid, Options) ->
Parent = Gstkid#gstkid.parent,
Pgstkid = gstk_db:lookup_gstkid(DB, Parent),
TkMenu = Pgstkid#gstkid.widget,
case Gstkid#gstkid.widget_data of
{Type, _, _, _} ->
Owner = Gstkid#gstkid.owner,
{NOpts, NGstkid} = fix_group_and_value(Options, DB, Owner, Gstkid),
Index = gstk_menu:lookup_menuitem_pos(DB, Pgstkid, NGstkid#gstkid.id),
PreCmd = [TkMenu, " entryco ", gstk:to_ascii(Index)],
gstk_generic:mk_cmd_and_exec(NOpts,NGstkid,TkMenu,PreCmd,"",DB,
{Type,Index});
{Type, _, _} ->
Owner = Gstkid#gstkid.owner,
{NOpts, NGstkid} = fix_group(Options, DB, Owner, Gstkid),
Index = gstk_menu:lookup_menuitem_pos(DB, Pgstkid, NGstkid#gstkid.id),
PreCmd = [TkMenu, " entryco ", gstk:to_ascii(Index)],
gstk_generic:mk_cmd_and_exec(NOpts,NGstkid,TkMenu,PreCmd,"",DB,
{Type,Index});
Type ->
Index = gstk_menu:lookup_menuitem_pos(DB, Pgstkid, Gstkid#gstkid.id),
PreCmd = [TkMenu, " entryco ", gstk:to_ascii(Index)],
gstk_generic:mk_cmd_and_exec(Options,Gstkid,TkMenu,PreCmd,"",
DB, {Type,Index})
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% 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) ->
Parent = Gstkid#gstkid.parent,
Id = Gstkid#gstkid.id,
gstk_db:delete_widget(DB, Gstkid),
case Gstkid#gstkid.widget_data of
{radio, _, Gid, _} -> gstk_db:delete_bgrp(DB, Gid);
{check, _, Gid} -> gstk_db:delete_bgrp(DB, Gid);
_Other -> true
end,
{Parent, Id, gstk_menuitem, [Id, Parent]}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Function : destroy/3
%% Purpose : Destroy a widget
%% Args : Menu - The menu tk widget
%% Item - The index of the menuitem to destroy
%% Return : [true | {bad_result, Reason}]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
destroy(DB, Id, Parent) ->
Pgstkid = gstk_db:lookup_gstkid(DB, Parent),
PW = Pgstkid#gstkid.widget,
Idx = gstk_menu:lookup_menuitem_pos(DB, Pgstkid, Id),
gstk_menu:delete_menuitem(DB, Parent, Id),
gstk:exec([PW, " delete ", gstk:to_ascii(Idx)]).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Function : event/5
%% Purpose : Construct the event and send it to the owner of the widget
%% Args : Etype - The event type
%% Edata - The event data
%% Args - The data from tcl/tk
%%
%% Return : [true | {bad_result, Reason}]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
event(DB, Gstkid, Etype, Edata, Args) ->
Arg2 =
case Gstkid#gstkid.widget_data of
{radio, G, _GID, V} ->
[_Grp, Text, Idx | Args1] = Args,
[Text, Idx, G, V | Args1];
{check, G, _Gid} ->
[Bool, Text, Idx | Args1] = Args,
RBool = case Bool of
0 -> false;
1 -> true
end,
[Text, Idx, G, RBool | Args1];
_Other2 ->
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
%% TkW - The tk-widget
%% Return : A tuple {OptionType, OptionCmd}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
option({click,true}, _Gstkid, _TkW, _DB, {separator,_Index}) ->
none; % workaround to be able to have {click,true} as default.
option(_Option, _Gstkid, _TkW, _DB, {separator,_Index}) ->
invalid_option;
option({menu,{Menu,_RestOfExternalId}}, _Gstkid, _TkW, DB, {cascade,_Index}) ->
Mgstkid = gstk_db:lookup_gstkid(DB, Menu),
MenuW = Mgstkid#gstkid.widget,
{s, [" -menu ", MenuW]};
option({select,false}, _Gstkid, TkW, _DB, {check,Index}) ->
{c, ["set x [", TkW, " entrycg ", gstk:to_ascii(Index),
" -var];global $x;set $x 0"]};
option({select,true}, _Gstkid, TkW, _DB, {check,Index}) ->
{c, ["set x [", TkW, " entrycg ", gstk:to_ascii(Index),
" -var];global $x;set $x 1"]};
option({value,Val}, _Gstkid, _TkW, _DB, {radio,_Index}) ->
{s, [" -val ", gstk:to_ascii(Val)]};
option({select,false}, _Gstkid, TkW, _DB, {radio,Index}) ->
{c, ["set x [", TkW, " entrycg ", gstk:to_ascii(Index),
" -var];global $x;set $x {}"]};
option({select,true}, _Gstkid, TkW, _DB, {radio,Index}) ->
{c, ["set x [", TkW, " entrycg ", gstk:to_ascii(Index),
" -var]; set y [", TkW, " entrycg ", gstk:to_ascii(Index),
" -val]; global $x; set $x $y"]};
option(Option, Gstkid, TkW, DB, {Kind,Index}) ->
case Option of
activate -> {c, [TkW, " act ", gstk:to_ascii(Index)]};
invoke -> {c, [TkW, " inv ", gstk:to_ascii(Index)]};
{accelerator, Acc} -> {s, [" -acc ", gstk:to_ascii(Acc)]};
{click, On} -> cbind(On, Gstkid, TkW, Index, Kind, DB);
{font, Font} when is_tuple(Font) ->
gstk_db:insert_opt(DB,Gstkid,Option),
{s, [" -font ", gstk_font:choose_ascii(DB,Font)]};
{label, {image,Img}} -> {s, [" -bitm @", Img, " -lab {}"]};
% FIXME: insert -command here.....
% FIXME: how to get value from image entry???
{label, {text,Text}} -> {s, [" -lab ",gstk:to_ascii(Text)," -bitm {}"]};
{underline, Int} -> {s, [" -underl ", gstk:to_ascii(Int)]};
{activebg, Color} -> {s, [" -activeba ", gstk:to_color(Color)]};
{activefg, Color} -> {s, [" -activefo ", gstk:to_color(Color)]};
{bg, Color} -> {s, [" -backg ", gstk:to_color(Color)]};
{enable, true} -> {s, " -st normal"};
{enable, false} -> {s, " -st disabled"};
{fg, Color} -> {s, [" -foreg ", gstk:to_color(Color)]};
_Other ->
case lists:member(Kind,[radio,check]) of
true ->
case Option of
{group,Group} -> {s, [" -var ", gstk:to_ascii(Group)]};
{selectbg,Col} -> {s,[" -selectc ",gstk:to_color(Col)]};
_ -> invalid_option
end;
_ -> invalid_option
end
end.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Function : read_option/5
%% Purpose : Take care of a read option
%% Return : The value of the option or invalid_option
%% [OptionValue | {bad_result, Reason}]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
read_option(Option,GstkId,_TkW,DB,_) ->
ItemId = GstkId#gstkid.id,
MenuId = GstkId#gstkid.parent,
MenuGstkid = gstk_db:lookup_gstkid(DB, MenuId),
MenuW = MenuGstkid#gstkid.widget,
Idx = gstk_menu:lookup_menuitem_pos(DB, MenuGstkid, ItemId),
PreCmd = [MenuW, " entrycg ", gstk:to_ascii(Idx)],
case Option of
accelerator -> tcl2erl:ret_str([PreCmd, " -acc"]);
activebg -> tcl2erl:ret_color([PreCmd, " -activeba"]);
activefg -> tcl2erl:ret_color([PreCmd, " -activefo"]);
bg -> tcl2erl:ret_color([PreCmd, " -backg"]);
fg -> tcl2erl:ret_color([PreCmd, " -foreg"]);
group -> read_group(GstkId, Option);
groupid -> read_groupid(GstkId, Option);
index -> Idx;
itemtype -> case GstkId#gstkid.widget_data of
{Type, _, _, _} -> Type;
{Type, _, _} -> Type;
Type -> Type
end;
enable -> tcl2erl:ret_enable([PreCmd, " -st"]);
font -> gstk_db:opt(DB,GstkId,font,undefined);
label -> tcl2erl:ret_label(["list [", PreCmd, " -lab] [",
PreCmd, " -bit]"]);
selectbg -> tcl2erl:ret_color([PreCmd, " -selectco"]);
underline -> tcl2erl:ret_int([PreCmd, " -underl"]);
value -> tcl2erl:ret_atom([PreCmd, " -val"]);
select -> read_select(MenuW, Idx, GstkId);
click -> gstk_db:is_inserted(DB, GstkId, click);
_ -> {bad_result, {GstkId#gstkid.objtype, invalid_option, Option}}
end.
read_group(Gstkid, Option) ->
case Gstkid#gstkid.widget_data of
{_, G, _, _} -> G;
{_, G, _} -> G;
_Other -> {bad_result,{Gstkid#gstkid.objtype, invalid_option, Option}}
end.
read_groupid(Gstkid, Option) ->
case Gstkid#gstkid.widget_data of
{_, _, Gid, _} -> Gid;
{_, _, Gid} -> Gid;
_Other -> {bad_result,{Gstkid#gstkid.objtype, invalid_option, Option}}
end.
read_select(TkMenu, Idx, Gstkid) ->
case Gstkid#gstkid.widget_data of
{radio, _, _, _} ->
Cmd = ["list [set x [", TkMenu, " entrycg ", gstk:to_ascii(Idx),
" -var];global $x;set $x] [", TkMenu,
" entrycg ", gstk:to_ascii(Idx)," -val]"],
case tcl2erl:ret_tuple(Cmd) of
{X, X} -> true;
_Other -> false
end;
{check, _, _} ->
Cmd = ["set x [", TkMenu, " entrycg ", gstk:to_ascii(Idx),
" -var];global $x;set $x"],
tcl2erl:ret_bool(Cmd);
_Other ->
{error,{invalid_option,menuitem,select}}
end.
%%-----------------------------------------------------------------------------
%% PRIMITIVES
%%-----------------------------------------------------------------------------
%% create version
fix_group_and_value(Opts, DB, Owner) ->
{G, GID, V, NOpts} = fgav(Opts, erlNIL, erlNIL, erlNIL, []),
RV = case V of
erlNIL ->
list_to_atom(lists:concat([v,gstk_db:counter(DB,value)]));
Other0 -> Other0
end,
NG = case G of
erlNIL -> mrb;
Other1 -> Other1
end,
RGID = case GID of
erlNIL -> {mrbgrp, NG, Owner};
Other2 -> Other2
end,
RG = gstk_db:insert_bgrp(DB, RGID),
{NG, RGID, RV, [{group, RG}, {value, RV} | NOpts]}.
%% config version
fix_group_and_value(Opts, DB, Owner, Gstkid) ->
{Type, RG, RGID, RV} = Gstkid#gstkid.widget_data,
{G, GID, V, NOpts} = fgav(Opts, RG, RGID, RV, []),
case {G, GID, V} of
{RG, RGID, RV} ->
{NOpts, Gstkid};
{NG, RGID, RV} ->
NGID = {rbgrp, NG, Owner},
gstk_db:delete_bgrp(DB, RGID),
NRG = gstk_db:insert_bgrp(DB, NGID),
NGstkid = Gstkid#gstkid{widget_data={Type,NG,NGID,RV}},
gstk_db:insert_widget(DB, NGstkid),
{[{group, NRG} | NOpts], NGstkid};
{RG, RGID, NRV} ->
NGstkid = Gstkid#gstkid{widget_data={Type,RG,RGID,NRV}},
gstk_db:insert_widget(DB, NGstkid),
{[{value,NRV} | NOpts], NGstkid};
{_, NGID, RV} when NGID =/= RGID ->
gstk_db:delete_bgrp(DB, RGID),
NRG = gstk_db:insert_bgrp(DB, NGID),
NGstkid = Gstkid#gstkid{widget_data={Type,RG,NGID,RV}},
gstk_db:insert_widget(DB, NGstkid),
{[{group, NRG} | NOpts], NGstkid};
{_, NGID, NRV} when NGID =/= RGID ->
gstk_db:delete_bgrp(DB, RGID),
NRG = gstk_db:insert_bgrp(DB, NGID),
NGstkid = Gstkid#gstkid{widget_data={Type,RG,NGID,NRV}},
gstk_db:insert_widget(DB, NGstkid),
{[{group, NRG}, {value,NRV} | NOpts], NGstkid};
{NG, RGID, NRV} ->
NGID = {rbgrp, NG, Owner},
gstk_db:delete_bgrp(DB, RGID),
NRG = gstk_db:insert_bgrp(DB, NGID),
NGstkid = Gstkid#gstkid{widget_data={Type,NG,NGID,NRV}},
gstk_db:insert_widget(DB, NGstkid),
{[{group, NRG}, {value,NRV} | NOpts], NGstkid}
end.
fgav([{group, G} | Opts], _, GID, V, Nopts) ->
fgav(Opts, G, GID, V, Nopts);
fgav([{groupid, GID} | Opts], G, _, V, Nopts) ->
fgav(Opts, G, GID, V, Nopts);
fgav([{value, V} | Opts], G, GID, _, Nopts) ->
fgav(Opts, G, GID, V, Nopts);
fgav([Opt | Opts], G, GID, V, Nopts) ->
fgav(Opts, G, GID, V, [Opt | Nopts]);
fgav([], Group, GID, Value, Opts) ->
{Group, GID, Value, Opts}.
%% 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(["mcb", gstk:to_ascii(Vref)]));
Other1 -> Other1
end,
RGID = case GID of
erlNIL -> {mcbgrp, 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) ->
{Type, 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={Type,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={Type,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}.
parse_opts(Opts, TkMenu) ->
parse_opts(Opts, TkMenu, none, none, []).
parse_opts([Option | Rest], TkMenu, Idx, Type, Options) ->
case Option of
{index, I} -> parse_opts(Rest, TkMenu, I, Type, Options);
{itemtype, T} -> parse_opts(Rest, TkMenu, Idx, T, Options);
_Other -> parse_opts(Rest, TkMenu, Idx, Type,[Option | Options])
end;
parse_opts([], TkMenu, Index, Type, Options) ->
RealIdx =
case Index of
Idx when is_integer(Idx) -> Idx;
last -> find_last_index(TkMenu);
Other -> gs:error("Invalid index ~p~n",[Other])
end,
{RealIdx, Type, Options}.
find_last_index(TkMenu) ->
case tcl2erl:ret_int([TkMenu, " index last"]) of
Last when is_integer(Last) -> Last+1;
none -> 0;
Other -> gs:error("Couldn't find index ~p~n",[Other])
end.
cbind({true, Edata}, Gstkid, TkMenu, Index, Type, DB) ->
Eref = gstk_db:insert_event(DB, Gstkid, click, Edata),
IdxStr = gstk:to_ascii(Index),
case Type of
normal ->
Cmd = [" -command {erlsend ", Eref,
" \\\"[",TkMenu," entrycg ",IdxStr," -label]\\\" ",
IdxStr,"}"],
{s, Cmd};
check ->
Cmd = [" -command {erlsend ", Eref,
" \[expr \$[", TkMenu, " entrycg ",IdxStr," -var]\] \\\"[",
TkMenu, " entrycg ",IdxStr," -label]\\\" ",IdxStr,"}"],
{s, Cmd};
radio ->
Cmd = [" -command {erlsend ", Eref,
" [", TkMenu, " entrycg ",IdxStr," -var] \\\"[",
TkMenu, " entrycg ",IdxStr," -label]\\\" ",IdxStr,"}"],
{s, Cmd};
_Other ->
none
end;
cbind({false, _}, Gstkid, _TkMenu, _Index, _Type, DB) ->
gstk_db:delete_event(DB, Gstkid, click),
none;
cbind(On, Gstkid, TkMenu, Index, Type, DB) when is_atom(On) ->
cbind({On, []}, Gstkid, TkMenu, Index, Type, DB).
%%% ----- Done -----
