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Diffstat (limited to 'lib/gs/src/gstk_scale.erl')
| -rw-r--r-- | lib/gs/src/gstk_scale.erl | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/lib/gs/src/gstk_scale.erl b/lib/gs/src/gstk_scale.erl new file mode 100644 index 0000000000..7a929eef94 --- /dev/null +++ b/lib/gs/src/gstk_scale.erl @@ -0,0 +1,214 @@ +%% +%% %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 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 ----- |