%%
%% %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 Window Type.
%% ------------------------------------------------------------
-module(gstk_window).
-compile([{nowarn_deprecated_function,{gs,destroy,1}}]).
%%------------------------------------------------------------------------------
%% WINDOW OPTIONS
%%
%% Attributes:
%% x Int
%% y Int
%% width Int
%% height Int
%% bg Color
%% bw Int
%% relief Relief [flat|raised|sunken|ridge|groove]
%% highlightbw Int
%% highlightbg Color
%% highlightfg Color
%% map Bool
%% iconify Bool
%% title String
%% iconname String
%% iconbitmap Bitmap
%% iconmask Bitmap
%% data Data
%% cursor arrow|busy|cross|hand|help|resize|text
%%
%% Commands:
%% raise
%% lower
%% setfocus Bool
%%
%% Events:
%% configure [Bool | {Bool, Data}]
%% enter [Bool | {Bool, Data}]
%% leave [Bool | {Bool, Data}]
%% motion [Bool | {Bool, Data}]
%% keypress [Bool | {Bool, Data}]
%% keyrelease [Bool | {Bool, Data}]
%% buttonpress [Bool | {Bool, Data}]
%% buttonrelease [Bool | {Bool, Data}]
%% focus [Bool | {Bool, Data}]
%% destroy [Bool | {Bool, Data}]
%%
%% Read options:
%% children
%% id
%% parent
%% type
%%
%% Not Implemented:
%% screen ?????????
%% map
%% unmap
%% iconify
%% deiconify
%% focusmodel [active|passive] (wm focusmodel)
%%
-export([create/3, config/3, read/3, delete/2, event/5,destroy_win/1]).
-export([option/5,read_option/5,mk_create_opts_for_child/4]).
-include("gstk.hrl").
% bind . <1> {puts "x: [expr %X - [winfo rootx .]] y: [expr %Y - [wi rooty .]]"}
%%-----------------------------------------------------------------------------
%% 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),
NGstkid=Gstkid#gstkid{widget=TkW},
case gstk_generic:make_command(transform_geometry_opts(Opts),
NGstkid, TkW, "", ";", DB) of
{error,Reason} -> {error,Reason};
Cmd when is_list(Cmd) ->
BindCmd = gstk_generic:bind(DB, Gstkid, TkW, configure, true),
% io:format("\nWINDOW1: ~p\n",[TkW]),
% io:format("\nWINDOW1: ~p\n",[Cmd]),
% io:format("\nWINDOW1: ~p\n",[BindCmd]),
gstk:exec(["toplevel ", TkW,Cmd,$;,BindCmd]),
NGstkid
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
%% 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"],
gstk_generic:mk_cmd_and_exec(transform_geometry_opts(Opts),
Gstkid,TkW,SimplePreCmd,"",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.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Function : event/5
%% Purpose : Construct the event and send it to the owner of the widget
%% Args : DB - The Database
%% Gstkid - The gstkid of the widget
%% Etype - The event type
%% Edata - The event data
%% Args - The data from tcl/tk
%%
%% Return : [true | {bad_result, Reason}]
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
event(DB, Gstkid, configure, Edata, Args) ->
[W,H|_] = Args,
gstk_db:insert_opt(DB,Gstkid,{width,W}),
gstk_db:insert_opt(DB,Gstkid,{height,H}),
case gstk_db:opt(DB,Gstkid,configure) of
true ->
apply(gstk_generic,event,[DB,Gstkid,configure,Edata,Args]);
false ->
ok
end;
event(DB, Gstkid, destroy, Edata, Args) ->
spawn(gstk_window,destroy_win,[gstk:make_extern_id(Gstkid#gstkid.id,DB)]),
gstk_generic:event(DB, Gstkid, destroy, Edata, Args);
event(DB, Gstkid, Etype, Edata, Args) ->
gstk_generic:event(DB, Gstkid, Etype, Edata, Args).
destroy_win(ID) ->
gs:destroy(ID).
%%------------------------------------------------------------------------------
%% 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}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%-define(REGEXP,"regexp {(\\d+)x(\\d+)\\+?(-?\\d+)\\+?(-?\\d+)} ").
% FIXME: Is this ok? Always positive?
-define(REGEXP,"regexp {(\\d+)x(\\d+)\\+(\\d+)\\+(\\d+)} ").
option(Option, Gstkid, TkW, DB,_) ->
case Option of
%% Bug in tcl/tk complicates setting of a single x,y,width,height.
{x, X} ->
{c,
[?REGEXP,"[wm ge ",TkW, "] g w h x y;wm ge ", TkW,
" ${w}x$h",signed(X),"+$y;update idletasks"]};
{y, Y} ->
{c,[?REGEXP,"[wm ge ",TkW, "] g w h x y;wm ge ", TkW,
" ${w}x$h+$x",signed(Y),"; update idletasks"]};
{width, Width} when Width >= 0 -> % FIXME: Needed test?
case gstk_db:opt_or_not(DB,Gstkid,width) of
{value,Width} -> none;
_Q ->
gstk_db:insert_opt(DB,Gstkid,{width,Width}),
{c,[?REGEXP,"[wm ge ",TkW, "] g w h x y;wm ge ", TkW," ",
gstk:to_ascii(Width),"x$h+$x+$y;update idletasks"]}
end;
{height, Height} when Height >= 0 -> % FIXME: Needed test?
case gstk_db:opt_or_not(DB,Gstkid,height) of
{value,Height} -> none;
_Q -> % FIXME: Why different?
gstk_db:insert_opt(DB,Gstkid,{height,Height}),
{c,
["wm ge ",TkW,
" [winfo w ", TkW, "]x",gstk:to_ascii(Height),
";update idletasks"]}
end;
{width_height, {W,H}} when W >= 0, H >= 0 ->
case {gstk_db:opt_or_not(DB,Gstkid,width),
gstk_db:opt_or_not(DB,Gstkid,height)} of
{{value,W},{value,H}} ->
none;
_OtherSize ->
gstk_db:insert_opt(DB,Gstkid,{height,H}),
gstk_db:insert_opt(DB,Gstkid,{width,W}),
{c, ["update idletasks;wm ge ", TkW, " ",
gstk:to_ascii(W),"x",gstk:to_ascii(H),
";update idletasks"]}
end;
{xy, {X,Y}} ->
{c, [?REGEXP,"[wm ge ",TkW, "] g w h x y;wm ge ", TkW,
" ${w}x$h", signed(X),signed(Y),
";update idletasks"]};
{bg, Color} -> {s, [" -bg ", gstk:to_color(Color)]};
{map, true} -> {c, ["wm deiconify ", TkW]};
{map, false} -> {c, ["wm withdraw ", TkW]};
{configure, On} ->
gstk_db:insert_opt(DB,Gstkid,{configure,On}),
none;
{iconify, true} -> {c, ["wm iconify ", TkW]};
{iconify, false} -> {c, ["wm deiconify ", TkW]};
{title, Title} -> {c, ["wm title ", TkW, " " ,
gstk:to_ascii(Title)]};
{iconname, Name} -> {c, ["wm iconn ",TkW, " ",
gstk:to_ascii(Name)]};
{iconbitmap, Bitmap} -> {c, ["wm iconb ",TkW, " ",
gstk:to_ascii(Bitmap)]};
{iconmask, Bitmap} -> {c, ["wm iconm ",TkW, " ",
gstk:to_ascii(Bitmap)]};
raise -> {c, ["raise ", TkW]};
lower -> {c, ["lower ", TkW]};
{setfocus, true} -> {c, ["focus ", TkW]};
{setfocus, false} -> {c, ["focus {}"]};
{buttonpress, On} ->
Eref = mk_eref(On, DB, Gstkid, buttonpress),
{c,["bind ",TkW," <ButtonPress> ",
event_onoff(["{erlsend ",Eref," %b ",xy_abs_str(TkW),"};"],On)]};
{buttonrelease, On} ->
Eref = mk_eref(On, DB, Gstkid, buttonrelease),
{c,["bind ",TkW," <ButtonRelease> ",
event_onoff(["{erlsend ",Eref," %b ",xy_abs_str(TkW),"};"],On)]};
{motion, On} ->
Eref = mk_eref(On, DB, Gstkid, motion),
{c,["bind ",TkW," <Motion> ",
event_onoff(["{erlsend ",Eref," ",xy_abs_str(TkW),"};"],On)]};
_ -> invalid_option
end.
xy_abs_str(TkW) ->
["[expr %X-[winfo rootx ",TkW,"]] [expr %Y-[winfo rooty ",TkW,"]]"].
event_onoff(Str, true) -> Str;
event_onoff(_,false) -> "{}".
mk_eref(false, DB, Gstkid, Etype) ->
gstk_db:delete_event(DB, Gstkid, Etype),
dummy;
mk_eref(true,DB,Gstkid,Etype) ->
gstk_db:insert_event(DB, Gstkid, Etype, []).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Function : read_option/3
%% 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
x -> tcl2erl:ret_x(geo_str(TkW));
y -> tcl2erl:ret_y(geo_str(TkW));
width -> tcl2erl:ret_width(geo_str(TkW));
height -> tcl2erl:ret_height(geo_str(TkW));
configure -> gstk_db:opt(DB,Gstkid,configure);
bg -> tcl2erl:ret_color([TkW," cg -bg"]);
map -> tcl2erl:ret_mapped(["winfo is ", TkW]);
iconify -> tcl2erl:ret_iconified(["wm st ", TkW]);
title -> tcl2erl:ret_str(["wm ti ", TkW]);
iconname -> tcl2erl:ret_str(["wm iconn ", TkW]);
iconbitmap -> tcl2erl:ret_str(["wm iconb ", TkW]);
iconmask -> tcl2erl:ret_str(["wm iconm ", TkW]);
setfocus -> tcl2erl:ret_focus(TkW, "focus");
_ -> {bad_result, {Gstkid#gstkid.objtype, invalid_option, Option}}
end.
geo_str(TkW) ->
["update idletasks;",?REGEXP,"[wm geometry ", TkW,
"] g w h x y;set tmp \"$w $h $x $y\""].
%%----------------------------------------------------------------------
%% PRIMITIVES
%%----------------------------------------------------------------------
%% Return {+,-}Int to be used in a geometry option
signed(X) when X>=0 ->
[$+,integer_to_list(X)];
signed(X) when X<0 ->
integer_to_list(X).
%%----------------------------------------------------------------------
%% Purpose: tcl/tk: wm .window geo sets WxH+x+y at one time.
%% flushing every time is expensive. Do (almost) as much as
%% possible in one operation.
%%----------------------------------------------------------------------
transform_geometry_opts(Opts) ->
{Geo,RestOpts} = collect_geo_opts(Opts,[],[]),
Geo2 = make_atomic(lists:sort(Geo)),
lists:append(Geo2,RestOpts).
make_atomic([{height,H},{width,W},{x,X},{y,Y}]) ->
[{width_height,{W,H}},{xy,{X,Y}}];
make_atomic([{height,H},{width,W}|XY]) ->
[{width_height,{W,H}}|XY];
make_atomic([WH,{x,X},{y,Y}]) ->
[WH,{xy,{X,Y}}];
make_atomic(L) -> L.
%%----------------------------------------------------------------------
%% Returns: {(list of x,y,width,height options),list of other opts}
%%----------------------------------------------------------------------
collect_geo_opts([{x,X}|Opts],Geo,Rest) ->
collect_geo_opts(Opts,[{x,X}|Geo],Rest);
collect_geo_opts([{y,Y}|Opts],Geo,Rest) ->
collect_geo_opts(Opts,[{y,Y}|Geo],Rest);
collect_geo_opts([{height,H}|Opts],Geo,Rest) ->
collect_geo_opts(Opts,[{height,H}|Geo],Rest);
collect_geo_opts([{width,W}|Opts],Geo,Rest) ->
collect_geo_opts(Opts,[{width,W}|Geo],Rest);
collect_geo_opts([Opt|Opts],Geo,Rest) ->
collect_geo_opts(Opts,Geo,[Opt|Rest]);
collect_geo_opts([],Geo,Rest) -> {Geo,Rest}.
%%% ----- Done -----
