radio.sa
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---------------------------> Sather 1.1 source file <--------------------------
-- Author: Holger Klawitter <holger@icsi.berkeley.edu>
-- Copyright (C) 1995, International Computer Science Institute
--
-- COPYRIGHT NOTICE: This code is provided WITHOUT ANY WARRANTY
-- and is subject to the terms of the SATHER LIBRARY GENERAL PUBLIC
-- LICENSE contained in the file: Sather/Doc/License of the
-- Sather distribution. The license is also available from ICSI,
-- 1947 Center St., Suite 600, Berkeley CA 94704, USA.
class TK_RADIO_CFG
class TK_RADIO_CFG
is
include TK_BUTTON_CFG;
variable(v:TK_VAR)
-- Variable associated to this widget. Changes to the variable
-- cause the widget to update and user actions on this widget
-- may change the value of the variable.
is config("variable",v.str); end;
val(s:STR)
-- Value for the variable when the radiobutton is selected.
is config("value",s); end;
variable(v:TK_VAR): SAME is variable(v); return self; end;
val(s:STR): SAME is val(s); return self; end;
std: SAME is return new end;
end; -- class TK_RADIO_CFG
class TK_RADIO < $TK_WIDGET
class TK_RADIO < $TK_WIDGET
-- Wiget representing radio buttons.
is
include TK_WIDGET_INCL{TK_RADIO_CFG};
const tk_widget_type: STR := "radiobutton";
private default_init(c:TK_RADIO_CFG) is
eval(widget_name+" configure -command ",
quote("sather "+path_name+" 0"));
end;
private default_config: TK_RADIO_CFG is return TK_RADIO_CFG::std end;
invoke is eval(actual_widget_name,"invoke") end;
flash is eval(actual_widget_name,"flash") end;
select
-- Selecing a radio button delselects all other radio buttons
-- associated to the same variable.
is eval(actual_widget_name,"select") end;
deselect is eval(actual_widget_name,"deselect") end;
attr command: ROUT;
command(c:ROUT): SAME is command(c); return self; end;
act_on(id:INT,args:ARRAY{STR})
is
if ~void(command) then command.call; end
end;
end; -- class TK_RADIO