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Diffstat (limited to 'lib/gs/src/gstk_label.erl')
-rw-r--r-- | lib/gs/src/gstk_label.erl | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/lib/gs/src/gstk_label.erl b/lib/gs/src/gstk_label.erl new file mode 100644 index 0000000000..c5d111d51a --- /dev/null +++ b/lib/gs/src/gstk_label.erl @@ -0,0 +1,182 @@ +%% +%% %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 Label Type +%% ------------------------------------------------------------ + +-module(gstk_label). +%%------------------------------------------------------------------------------ +%% LABEL OPTIONS +%% +%% Attributes: +%% 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 +%% fg Color +%% font Font +%% 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] +%% underline Int +%% width Int +%% wraplength Int +%% x Int +%% y Int +%% +%% Commands: +%% setfocus Bool +%% +%% Events: +%% buttonpress [Bool | {Bool, Data}] +%% buttonrelease [Bool | {Bool, Data}] +%% configure [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) +%% + +-export([create/3,config/3,read/3,delete/2,event/5,option/5,read_option/5]). + +-include("gstk.hrl"). + +%%----------------------------------------------------------------------------- +%% MANDATORY INTERFACE FUNCTIONS +%%----------------------------------------------------------------------------- +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Function : create/3 +%% 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(["label ", TkW,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, + 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 +%% 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 + {underline, Int} -> {s, [" -und ", gstk:to_ascii(Int)]}; + {wraplength, Int} -> {s, [" -wra ", gstk:to_ascii(Int)]}; + _ -> invalid_option + end. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +%% Function : read_option/4 +%% 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 + underline -> tcl2erl:ret_int([TkW," cg -und"]); + wraplength -> tcl2erl:ret_int([TkW," cg -wra"]); + _ -> {bad_result, {Gstkid#gstkid.objtype, invalid_option, Option}} + end. + +%%% ----- Done ----- + |