%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1996-2009. 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 Scale Type
%% ------------------------------------------------------------
-module(gstk_scale).
%%-------------------------------------------------------------------------
%% SCALE OPTIONS
%%
%% Attributes:
%% activebg Color
%% anchor n,w,s,e,nw,se,ne,sw,center
%% bg Color
%% bw Int
%% data Data
%% fg Color
%% height Int
%% highlightbg Color
%% highlightbw Int
%% highlightfg Color
%% orient vertical | horizontal
%% range {From, To}
%% relief Relief [flat|raised|sunken|ridge|groove]
%% showvalue Bool
%% text String
%% width Int
%% x Int
%% y Int
%%
%% Commands:
%% enable Bool
%% pos Int
%% setfocus Bool
%%
%% 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
%%
-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.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
create(DB, GstkId, Opts) ->
TkW = gstk_generic:mk_tkw_child(DB,GstkId),
PlacePreCmd = [";place ", TkW],
Ngstkid = GstkId#gstkid{widget=TkW},
case gstk_generic:make_command(Opts, Ngstkid, TkW,"", PlacePreCmd, DB) of
{error,Reason} -> {error,Reason};
Cmd when is_list(Cmd) ->
gstk:exec(["scale ", TkW,Cmd,$;,TkW,
" conf -bo 2 -sliderrelief raised -highlightth 2"]),
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,
SimplePreCmd = [TkW, " conf"],
PlacePreCmd = [";place ", TkW],
gstk_generic:mk_cmd_and_exec(Opts,Gstkid,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),
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
%% TkW - The tk-widget
%%
%% Return : A tuple {OptionType, OptionCmd}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
option(Option, Gstkid, TkW, DB,_) ->
case Option of
{activebg, Color} -> {s, [" -activeb ", gstk:to_color(Color)]};
{orient, How} -> {s, [" -or ", gstk:to_ascii(How)]};
{range, {From, To}} -> {s, [" -fr ", gstk:to_ascii(From),
" -to ", gstk:to_ascii(To)]};
{relief, Relief} -> {s, [" -rel ", gstk:to_ascii(Relief)]};
{bw, Wth} -> {s, [" -bd ", gstk:to_ascii(Wth)]};
{text, String} -> {s, [" -la ",gstk:to_ascii(String)]};
{showvalue, Bool} -> {s, [" -showvalue ",gstk:to_ascii(Bool)]};
{pos, Pos} -> {c, [TkW, " set ", gstk:to_ascii(Pos)]};
{click, On} -> cbind(DB, Gstkid, click, On);
_ -> 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,_) ->
case Option of
activebg -> tcl2erl:ret_color([TkW," cg -activeb"]);
orient -> tcl2erl:ret_atom([TkW," cg -ori"]);
range ->
tcl2erl:ret_tuple(["list [",TkW," cg -fr] [",TkW," cg -to]"]);
bw -> tcl2erl:ret_int([TkW," cg -bd"]);
relief -> tcl2erl:ret_atom([TkW, " cg -reli"]);
text -> tcl2erl:ret_str([TkW," cg -lab"]);
showvalue -> tcl2erl:ret_bool([TkW," cg -showvalue"]);
pos -> tcl2erl:ret_int([TkW," get"]);
click -> gstk_db:is_inserted(DB, Gstkid, click);
_ -> {bad_result, {Gstkid#gstkid.objtype, invalid_option, Option}}
end.
%%-----------------------------------------------------------------------------
%% PRIMITIVES
%%-----------------------------------------------------------------------------
%%
%% Config bind
%%
cbind(DB, Gstkid, Etype, On) ->
Cmd = case On of
{true, Edata} ->
Eref = gstk_db:insert_event(DB, Gstkid, Etype, Edata),
[" -command {erlsend ", Eref, "}"];
true ->
Eref = gstk_db:insert_event(DB, Gstkid, Etype, ""),
[" -command {erlsend ", Eref, "}"];
_Other ->
gstk_db:delete_event(DB, Gstkid, Etype),
" -command {}"
end,
{s, Cmd}.
%% ----- Done -----
