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-rw-r--r--lib/gs/src/gstk_generic.erl1087
1 files changed, 1087 insertions, 0 deletions
diff --git a/lib/gs/src/gstk_generic.erl b/lib/gs/src/gstk_generic.erl
new file mode 100644
index 0000000000..3ddb69efc5
--- /dev/null
+++ b/lib/gs/src/gstk_generic.erl
@@ -0,0 +1,1087 @@
+%%
+%% %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%
+%%
+
+%%
+
+-module(gstk_generic).
+
+-export([out_opts/8,
+ read_option/5,
+ mk_tkw_child/2,
+ merge_default_options/3,
+ merge_default_options/2,
+ opts_for_child/3,
+ mk_cmd_and_exec/4,
+ mk_cmd_and_exec/5,
+ mk_cmd_and_exec/6,
+ mk_cmd_and_exec/7,
+ make_command/5,
+ make_command/6,
+ make_command/7,
+ read_option/4,
+ handle_external_opt_call/9,
+ handle_external_read/1,
+ gen_anchor/9,
+ gen_anchor/5,
+ gen_height/9,
+ gen_height/5,
+ gen_width/9,
+ gen_width/5,
+ gen_x/9,
+ gen_x/5,
+ gen_y/9,
+ gen_y/5,
+ gen_raise/9,
+ gen_raise/5,
+ gen_lower/9,
+ gen_lower/5,
+ gen_enable/9,
+ gen_enable/5,
+ gen_align/9,
+ gen_align/5,
+ gen_justify/9,
+ gen_justify/5,
+ gen_padx/9,
+ gen_padx/5,
+ gen_pady/9,
+ gen_pady/5,
+ gen_font/9,
+ gen_font/5,
+ gen_label/9,
+ gen_label/5,
+ gen_activebg/9,
+ gen_activebg/5,
+ gen_activefg/9,
+ gen_activefg/5,
+ gen_default/9,
+ gen_relief/9,
+ gen_relief/5,
+ gen_bw/9,
+ gen_bw/5,
+ gen_font_wh/5,
+ gen_choose_font/5,
+ gen_data/9,
+ gen_data/5,
+ gen_pack_x/9,
+ gen_pack_x/5,
+ gen_pack_y/9,
+ gen_pack_y/5,
+ gen_pack_xy/9,
+ gen_flush/9,
+ gen_flush/5,
+ gen_keep_opt/9,
+ gen_children/5,
+ make_extern_id/2,
+ gen_id/5,
+ gen_parent/5,
+ gen_type/5,
+ gen_beep/9,
+ gen_setfocus/9,
+ gen_setfocus/5,
+ gen_buttonpress/9,
+ gen_buttonpress/5,
+ gen_buttonrelease/9,
+ gen_buttonrelease/5,
+ gen_configure/9,
+ gen_configure/5,
+ gen_destroy/9,
+ gen_destroy/5,
+ gen_enter/9,
+ gen_enter/5,
+ gen_focus_ev/9,
+ gen_focus_ev/5,
+ gen_keypress/9,
+ gen_keypress/5,
+ gen_keyrelease/9,
+ gen_keyrelease/5,
+ gen_leave/9,
+ gen_leave/5,
+ gen_motion/9,
+ gen_motion/5,
+ gen_highlightbw/9,
+ gen_highlightbw/5,
+ gen_highlightbg/9,
+ gen_highlightbg/5,
+ gen_highlightfg/9,
+ gen_highlightfg/5,
+ gen_selectbw/9,
+ gen_selectbw/5,
+ gen_selectfg/9,
+ gen_selectfg/5,
+ gen_selectbg/9,
+ gen_selectbg/5,
+ gen_fg/9,
+ gen_fg/5,
+ gen_bg/9,
+ gen_bg/5,
+ gen_so_activebg/9,
+ gen_so_activebg/5,
+ gen_so_bc/9,
+ gen_so_bc/5,
+ gen_so_scrollfg/9,
+ gen_so_scrollfg/5,
+ gen_so_scrollbg/9,
+ gen_so_scrollbg/5,
+ obj/1,
+ gen_so_bg/9,
+ gen_so_bg/5,
+ gen_so_selectbw/9,
+ gen_so_selectbw/5,
+ gen_so_selectfg/9,
+ gen_so_selectfg/5,
+ gen_so_selectbg/9,
+ gen_so_selectbg/5,
+ gen_so_scrolls/9,
+ gen_so_hscroll/5,
+ gen_so_vscroll/5,
+ cursors/0,
+ gen_cursor/9,
+ gen_cursor/5,
+ gen_citem_coords/9,
+ gen_citem_coords/5,
+ gen_citem_fill/9,
+ gen_citem_fill/5,
+ gen_citem_lower/9,
+ gen_citem_raise/9,
+ gen_citem_move/9,
+ move_coords/3,
+ add_to_coords/3,
+ gen_citem_setfocus/9,
+ gen_citem_setfocus/5,
+ gen_citem_buttonpress/9,
+ gen_citem_buttonrelease/9,
+ gen_citem_enter/9,
+ gen_citem_keypress/9,
+ gen_citem_keyrelease/9,
+ gen_citem_leave/9,
+ gen_citem_motion/9,
+ scrolls_vh/3,
+ parse_scrolls/1,
+ parse_scrolls/2,
+ parse_scrolls/4,
+ bind/5,
+ bind/6,
+ ebind/6,
+ eunbind/6,
+ item_bind/6,
+ item_ebind/6,
+ item_eunbind/5,
+ event/5,
+ read_option/3,
+ make_command/4,
+ mk_create_opts_for_child/4]).
+
+-include("gstk.hrl").
+-include("gstk_generic.hrl").
+
+%%----------------------------------------------------------------------
+%% Returns: a new unique TkWidget (string())
+%%----------------------------------------------------------------------
+mk_tkw_child(DB,#gstkid{parent=P,objtype=Ot}) ->
+ Pgstkid = gstk_db:lookup_gstkid(DB, P),
+ PW = Pgstkid#gstkid.widget,
+ Oref = gstk_db:counter(DB, Ot),
+ PF = gstk_widgets:suffix(Ot),
+ _TkW = lists:concat([PW, PF, Oref]).
+
+%%----------------------------------------------------------------------
+%% Purpose: Merges options. Opts have higher priority than BuiltIn
+%% (and ParentOpts have higher than BuiltIn)
+%% Returns: A list of new options.
+%%----------------------------------------------------------------------
+merge_default_options(ParOpts, BuildInOpts, Opts) ->
+ %% parents options first
+ Tmp=merge_default_options(ParOpts, lists:sort(Opts)),
+ merge_default_options(BuildInOpts,Tmp).
+
+merge_default_options([Def|Ds],[Opt|Os])
+ when element(1,Def) < element(1,Opt) ->
+ [Def | merge_default_options(Ds,[Opt|Os])];
+
+merge_default_options([Def|Ds],[Opt|Os])
+ when element(1,Def) > element(1,Opt) ->
+ [Opt | merge_default_options([Def|Ds],Os)];
+
+merge_default_options([Def|Ds],[Opt|Os])
+ when element(1,Def) == element(1,Opt) ->
+ [Opt | merge_default_options(Ds,Os)];
+
+merge_default_options(Defs,[Opt|Os]) ->
+ [Opt | merge_default_options(Defs,Os)];
+
+merge_default_options([],Opts) -> Opts;
+merge_default_options(Defs,[]) -> Defs.
+
+opts_for_child(DB,Childtype,ParId) ->
+ case gs_widgets:container(Childtype) of
+ true ->
+ gstk_db:default_container_opts(DB,ParId,Childtype);
+ false ->
+ gstk_db:default_opts(DB,ParId,Childtype)
+ end.
+
+mk_create_opts_for_child(DB,#gstkid{objtype=ChildType}, Pgstkid, Opts) ->
+ merge_default_options(
+ opts_for_child(DB,ChildType,Pgstkid#gstkid.id),
+ gs_widgets:default_options(ChildType),
+ Opts).
+
+mk_cmd_and_exec(Opts,Gstkid,Scmd,DB) ->
+ TkW = Gstkid#gstkid.widget,
+ mk_cmd_and_exec(Opts,Gstkid,TkW,Scmd,[";place ", TkW],DB,dummy).
+mk_cmd_and_exec(Opts,Gstkid,Scmd,Pcmd,DB) ->
+ mk_cmd_and_exec(Opts,Gstkid,Gstkid#gstkid.widget,Scmd,Pcmd,DB,dummy).
+mk_cmd_and_exec(Options, Gstkid, TkW, SCmd, PCmd, DB) ->
+ mk_cmd_and_exec(Options, Gstkid, TkW, SCmd, PCmd, DB,dummy).
+mk_cmd_and_exec(Options, Gstkid, TkW, SCmd, PCmd, DB,ExtraArg) ->
+ case gstk_generic:make_command(Options,Gstkid,TkW,SCmd,PCmd,DB,ExtraArg) of
+ {error,Reason} -> {error,Reason};
+ Cmd when is_list(Cmd) ->
+ gstk:exec(Cmd)
+ end.
+
+%%----------------------------------------------------------------------
+%% SCmd: SimplePreCommand - prepended to simple (s) options
+%% PCmd: PlacePreCommand - prepended to placer (p) options
+%% (should start with ';' (at least if preceeded with simple cmds))
+%% Comment: If some function changes the gstkid,
+%% it's responsible for storing it in the DB.
+%%----------------------------------------------------------------------
+make_command(Opts,Gstkid,Scmd,DB) ->
+ TkW = Gstkid#gstkid.widget,
+ make_command(Opts,Gstkid,TkW,Scmd,[";place ", TkW],DB,dummy).
+make_command(Opts,Gstkid,Scmd,Pcmd,DB) ->
+ make_command(Opts,Gstkid,Gstkid#gstkid.widget,Scmd,Pcmd,DB,dummy).
+make_command(Options, Gstkid, TkW, SCmd, PCmd, DB) ->
+ make_command(Options, Gstkid, TkW, SCmd, PCmd, DB,dummy).
+make_command(Options, Gstkid, TkW, SCmd, PCmd, DB,ExtraArg) ->
+ case out_opts(Options, Gstkid, TkW, DB, ExtraArg, [], [], []) of
+ {[], [], []} -> [];
+ {Si, [], []} -> [SCmd, Si,$;];
+ {[], Pl, []} -> [PCmd, Pl,$;];
+ {[], [], Co} -> [$;,Co];
+ {[], Pl, Co} -> [PCmd, Pl, $;, Co];
+ {Si, [], Co} -> [SCmd, Si, $;, Co];
+ {Si, Pl, []} -> [SCmd, Si, PCmd, Pl, $;];
+ {Si, Pl, Co} -> [SCmd, Si, PCmd, Pl, $;, Co];
+ {error,Reason} -> {error,Reason}
+ end.
+
+read_option(DB,Gstkid,Opt) ->
+ read_option(DB,Gstkid,Gstkid#gstkid.widget,Opt,dummy).
+read_option(DB,Gstkid,Opt,ExtraArg) ->
+ read_option(DB,Gstkid,Gstkid#gstkid.widget,Opt,ExtraArg).
+
+%%----------------------------------------------------------------------
+%% Args: Args is [Gstkid, TkW, DB, ExtraArg]
+%% Comment: An optimization:don't reconstruct the arg list for apply each time.
+%% This is the option-engine so we should optimize.
+%%----------------------------------------------------------------------
+handle_external_opt_call([Opt|Options],Gstkid,TkW,DB,ExtraArg,ExtRes,S,P,C) ->
+ case ExtRes of
+ {s, Cmd} ->
+ out_opts(Options,Gstkid, TkW,DB, ExtraArg, [Cmd|S], P, C);
+ {p, Cmd} ->
+ out_opts(Options, Gstkid,TkW,DB, ExtraArg, S, [Cmd|P], C);
+ {c, Cmd} ->
+ out_opts(Options, Gstkid,TkW,DB, ExtraArg,S, P, [Cmd,$;|C]);
+ none ->
+ out_opts(Options, Gstkid,TkW,DB,ExtraArg, S, P, C);
+ % {s, NGstkid, Cmd} ->
+ % out_opts(Options,NGstkid,TkW,DB,ExtraArg, [Cmd|S], P, C);
+ % {p, NGstkid, Cmd} ->
+ % out_opts(Options,NGstkid,TkW,DB,ExtraArg, S, [Cmd|P], C);
+ {c, NGstkid, Cmd} ->
+ out_opts(Options,NGstkid,TkW,DB, ExtraArg,S,P,[Cmd,$;|C]);
+ {none, NGstkid} ->
+ out_opts(Options,NGstkid,TkW,DB, ExtraArg, S, P, C);
+ {sp,{Scmd,Pcmd}} ->
+ out_opts(Options,Gstkid,TkW,DB,ExtraArg,[Scmd|S],[Pcmd|P],C);
+ invalid_option ->
+ {error,{invalid_option,Gstkid#gstkid.objtype,Opt}};
+ break -> % a hack. it is possible to abort generic option handling at
+ %% any time (without even inserting the gstkid inte to DB (for
+ %% performance reasons)).
+ {S, P, C}
+ end.
+
+handle_external_read(Res) ->
+ case Res of
+ {bad_result,{Objtype,Reason,Option}} ->
+ {error,{Objtype,Reason,Option}};
+ _ -> ok
+ end,
+ Res.
+
+%%----------------------------------------------------------------------
+%% Generic options
+%%----------------------------------------------------------------------
+
+gen_anchor(How,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,[" -anc ", gstk:to_ascii(How)|P],C).
+gen_anchor(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_place(anchor, TkW).
+
+gen_height(Height,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ gstk_db:insert_opt(DB,Gstkid,{height,Height}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,
+ [" -he ", gstk:to_ascii(Height)|P],C).
+gen_height(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:opt(DB,Gstkid,height).
+
+gen_width(Width,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ gstk_db:insert_opt(DB,Gstkid,{width,Width}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,
+ [" -wi ", gstk:to_ascii(Width)|P],C).
+gen_width(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:opt(DB,Gstkid,width).
+
+gen_x(X,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ gstk_db:insert_opt(DB,Gstkid,{x,X}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,
+ [" -x ", gstk:to_ascii(X)|P],C).
+gen_x(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:opt(DB,Gstkid,x).
+
+gen_y(Y,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ gstk_db:insert_opt(DB,Gstkid,{y,Y}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,
+ [" -y ", gstk:to_ascii(Y)|P],C).
+gen_y(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:opt(DB,Gstkid,y).
+
+gen_raise(_,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,["raise ", TkW,$;|C]).
+gen_raise(_Opt,_Gstkid,_TkW,_DB,_ExtraArg) ->
+ undefined.
+
+gen_lower(_,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,["lower ", TkW,$;|C]).
+gen_lower(_Opt,_Gstkid,_TkW,_DB,_ExtraArg) ->
+ undefined.
+
+gen_enable(true,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -st normal"|S],P,C);
+gen_enable(false,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -st disabled"|S],P,C).
+gen_enable(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_enable([TkW, " cg -st"]).
+
+gen_align(How,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -an ", gstk:to_ascii(How)|S],P,C).
+gen_align(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_atom([TkW, " cg -anch"]).
+
+gen_justify(How,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -ju ", gstk:to_ascii(How)|S],P,C).
+gen_justify(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_atom([TkW, " cg -ju"]).
+
+gen_padx(Pad,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -padx ", gstk:to_ascii(Pad)|S],P,C).
+gen_padx(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_atom([TkW, " cg -padx"]).
+
+gen_pady(Pad,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -pady ", gstk:to_ascii(Pad)|S],P,C).
+gen_pady(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_atom([TkW, " cg -pady"]).
+
+
+gen_font(Font,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ gstk_db:insert_opt(DB,Gstkid,{font,Font}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,
+ [" -font ", gstk_font:choose_ascii(DB,Font)|S],P,C).
+gen_font(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:opt(DB,Gstkid,font,undefined).
+
+gen_label({text,Text},Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -text ", gstk:to_ascii(Text), " -bi {}"|S],P,C);
+gen_label({image,Img},Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ {ok, I2,_} = regexp:gsub(Img, [92,92], "/"),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -bi \"@", I2, "\" -text {}"|S],P,C).
+gen_label(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ case gstk:call([TkW, " cg -bit"]) of
+ {result, [$@|Image]} -> {image,Image};
+ _Nope ->
+ case gstk:call([TkW, " cg -text"]) of
+ {result, Txt} -> {text, Txt};
+ Bad_Result -> Bad_Result
+ end
+ end.
+
+gen_activebg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -activeba ", gstk:to_color(Color)|S],P,C).
+gen_activebg(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW, " cg -activeba"]).
+
+gen_activefg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -activef ", gstk:to_color(Color)|S],P,C).
+gen_activefg(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW, " cg -activef"]).
+
+
+gen_default(Opt,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ case Opt of
+ {all, {font, Font}} ->
+ C2 = ["option a *",tl(TkW), % have to remove preceeding dot
+ "*font ",gstk_font:choose_ascii(DB, Font)],
+ gstk_db:insert_def(Gstkid,grid,{font,Font}),
+ gstk_db:insert_def(Gstkid,text,{font,Font}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[C2,$;|C]);
+ {buttons, {font, Font}} ->
+ C2 = ["option a *",tl(TkW), % have to remove preceeding dot
+ ".Button.font ",gstk_font:choose_ascii(DB, Font)],
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[C2,$;|C]);
+ {buttons,{Key,Val}} ->
+ gstk_db:insert_def(Gstkid,button,{Key,Val}),
+ gstk_db:insert_def(Gstkid,checkbutton,{Key,Val}),
+ gstk_db:insert_def(Gstkid,radiobutton,{Key,Val}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C);
+ {ObjType, {Key,Val}} ->
+ gstk_db:insert_def(Gstkid,ObjType,{Key,Val}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C)
+ end.
+
+
+gen_relief(Relief,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -reli ",gstk:to_ascii(Relief)|S],P,C).
+gen_relief(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_atom([TkW, " cg -reli"]).
+
+gen_bw(Wth,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -bd ", gstk:to_ascii(Wth)|S],P,C).
+gen_bw(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_int([TkW, " cg -bd"]).
+
+
+
+gen_font_wh({font_wh,{Font, Txt}},_Gstkid,_TkW,DB,_) ->
+ gstk_font:width_height(DB, gstk_font:choose(DB,Font), Txt).
+
+gen_choose_font({choose_font,Font},_Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_font:choose(DB,Font).
+
+gen_data(Data,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ gstk_db:insert_opt(DB,Gstkid,{data,Data}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C).
+gen_data(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:opt(DB,Gstkid,data).
+
+gen_pack_x({Start,Stop},Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ gstk_db:insert_opt(DB,Gstkid,{pack_x,{Start,Stop}}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C);
+gen_pack_x(Col,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) when is_integer(Col) ->
+ gstk_db:insert_opt(DB,Gstkid,{pack_x,{Col,Col}}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C).
+gen_pack_x(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:opt(DB,Gstkid,pack_x, undefined).
+
+gen_pack_y({Start,Stop},Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ gstk_db:insert_opt(DB,Gstkid,{pack_y,{Start,Stop}}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C);
+gen_pack_y(Row,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) when is_integer(Row) ->
+ gstk_db:insert_opt(DB,Gstkid,{pack_y,{Row,Row}}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C).
+gen_pack_y(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:opt(DB,Gstkid,pack_y, undefined).
+
+gen_pack_xy({Col,Row},Opts,Gstkid,TkW,DB,ExtraArg,S,P,C)
+ when is_integer(Col), is_integer(Row) ->
+ gstk_db:insert_opt(DB,Gstkid,{pack_x,{Col,Col}}),
+ gstk_db:insert_opt(DB,Gstkid,{pack_y,{Row,Row}}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C);
+gen_pack_xy({Col,{StartRow,StopRow}},Opts,Gstkid,TkW,DB,ExtraArg,S,P,C)
+ when is_integer(Col) ->
+ gstk_db:insert_opt(DB,Gstkid,{pack_x,{Col,Col}}),
+ gstk_db:insert_opt(DB,Gstkid,{pack_y,{StartRow,StopRow}}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C);
+gen_pack_xy({{StartCol,StopCol},Row},Opts,Gstkid,TkW,DB,ExtraArg,S,P,C)
+ when is_integer(Row) ->
+ gstk_db:insert_opt(DB,Gstkid,{pack_x,{StartCol,StopCol}}),
+ gstk_db:insert_opt(DB,Gstkid,{pack_y,{Row,Row}}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C);
+gen_pack_xy({Col,Row},Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ gstk_db:insert_opt(DB,Gstkid,{pack_x,Col}),
+ gstk_db:insert_opt(DB,Gstkid,{pack_y,Row}),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C).
+
+
+gen_flush(_Opt,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ tcl2erl:ret_int(["update idletasks;expr 1+1"]),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C).
+gen_flush(_Opt,_Gstkid,_TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_int(["update idletasks;expr 1+1"]).
+
+ % a hidden impl option.
+gen_keep_opt(Opt,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ gstk_db:insert_opt(DB,Gstkid,Opt),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,C).
+
+gen_children(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ make_extern_id(gstk_db:lookup_kids(DB, Gstkid#gstkid.id), DB).
+
+make_extern_id([Id|Ids], DB) ->
+ [gstk:make_extern_id(Id, DB) | make_extern_id(Ids, DB)];
+make_extern_id([], _) -> [].
+
+gen_id(_Opt,#gstkid{id=Id},_TkW,DB,_ExtraArg) ->
+ gstk:make_extern_id(Id, DB).
+
+gen_parent(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk:make_extern_id(Gstkid#gstkid.parent, DB).
+
+gen_type(_Opt,Gstkid,_TkW,_DB,_ExtraArg) ->
+ Gstkid#gstkid.objtype.
+
+gen_beep(_,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,["bell;",$;|C]).
+
+gen_setfocus(true,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,["focus ", TkW,$;|C]);
+gen_setfocus(false,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,["focus .",$;|C]).
+
+gen_setfocus(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_focus(TkW, "focus").
+
+gen_buttonpress(On,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Cmd = bind(DB, Gstkid, TkW, buttonpress, On),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[Cmd,$;|C]).
+gen_buttonpress(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:is_inserted(DB, Gstkid, buttonpress).
+
+gen_buttonrelease(On,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Cmd = bind(DB, Gstkid, TkW, buttonrelease, On),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[Cmd,$;|C]).
+gen_buttonrelease(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:is_inserted(DB,Gstkid,buttonrelease).
+
+gen_configure(On,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Cmd = bind(DB, Gstkid, TkW, configure, On),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[Cmd,$;|C]).
+gen_configure(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:is_inserted(DB,Gstkid,configure).
+
+gen_destroy(On,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Cmd = bind(DB, Gstkid, TkW, destroy, On),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[Cmd,$;|C]).
+gen_destroy(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:is_inserted(DB,Gstkid,destroy).
+
+gen_enter(On,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Cmd = bind(DB, Gstkid, TkW, enter, On),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[Cmd,$;|C]).
+gen_enter(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:is_inserted(DB,Gstkid,enter).
+
+gen_focus_ev(On,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Cmd = bind(DB, Gstkid, TkW, focus, On),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[Cmd,$;|C]).
+gen_focus_ev(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:is_inserted(DB,Gstkid,focus).
+
+gen_keypress(On,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Cmd = bind(DB, Gstkid, TkW, keypress, On),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[Cmd,$;|C]).
+gen_keypress(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:is_inserted(DB,Gstkid,keypress).
+
+gen_keyrelease(On,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Cmd = bind(DB, Gstkid, TkW, keyrelease, On),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[Cmd,$;|C]).
+gen_keyrelease(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:is_inserted(DB,Gstkid,keyrelease).
+
+gen_leave(On,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Cmd = bind(DB, Gstkid, TkW, leave, On),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[Cmd,$;|C]).
+gen_leave(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:is_inserted(DB,Gstkid,leave).
+
+gen_motion(On,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Cmd = bind(DB, Gstkid, TkW, motion, On),
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[Cmd,$;|C]).
+gen_motion(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:is_inserted(DB,Gstkid,motion).
+
+gen_highlightbw(Wth,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -highlightt ", gstk:to_ascii(Wth)|S],P,C).
+gen_highlightbw(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_int([TkW, " cg -highlightt"]).
+
+gen_highlightbg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -highlightb ", gstk:to_color(Color)|S],P,C).
+gen_highlightbg(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW, " cg -highlightb"]).
+
+gen_highlightfg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -highlightc ", gstk:to_color(Color)|S],P,C).
+gen_highlightfg(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW, " cg -highlightc"]).
+
+
+gen_selectbw(Width,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[TkW, " conf -selectbo ", gstk:to_ascii(Width),$;|C]).
+gen_selectbw(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_int([TkW," cg -selectbo"]).
+
+gen_selectfg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[TkW, " conf -selectfo ", gstk:to_color(Color),$;|C]).
+gen_selectfg(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW," cg -selectfo"]).
+
+gen_selectbg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[TkW, " conf -selectba ", gstk:to_color(Color),$;|C]).
+gen_selectbg(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW," cg -selectba"]).
+
+gen_fg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -fg ", gstk:to_color(Color)|S],P,C).
+gen_fg(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW, " cg -fg"]).
+
+gen_bg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -bg ", gstk:to_color(Color)|S],P,C).
+gen_bg(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW, " cg -bg"]).
+
+%%----------------------------------------------------------------------
+%% Generic functions for scrolled objects
+%%----------------------------------------------------------------------
+gen_so_activebg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Col = gstk:to_color(Color),
+ C2 = [TkW, ".sy conf -activeba ", Col,$;,
+ TkW, ".pad.sx conf -activeba ", Col],
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[C2,$;|C]).
+gen_so_activebg(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW,".sy cg -activeba"]).
+
+gen_so_bc(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Col = gstk:to_color(Color),
+ C2= [TkW, " conf -bg ", Col,$;,
+ TkW, ".sy conf -highlightba ", Col,$;,
+ TkW, ".pad.it conf -bg ", Col,$;,
+ TkW, ".pad.sx conf -highlightba ", Col],
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[C2,$;|C]).
+gen_so_bc(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW," cg -bg"]).
+
+gen_so_scrollfg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Col = gstk:to_color(Color),
+ C2=[TkW, ".sy conf -bg ", Col,$;,
+ TkW, ".pad.sx conf -bg ", Col],
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[C2,$;|C]).
+gen_so_scrollfg(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW,".sy cg -bg"]).
+
+
+gen_so_scrollbg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ Col = gstk:to_color(Color),
+ C2 = [TkW, ".sy conf -troughc ", Col, $;,
+ TkW, ".pad.sx conf -troughc ", Col],
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[C2,$;|C]).
+
+gen_so_scrollbg(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([TkW,".sy cg -troughc"]).
+
+obj(#gstkid{widget_data=SO}) ->
+ SO#so.object.
+
+gen_so_bg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ C2= [obj(Gstkid), " conf -bg ", gstk:to_color(Color)],
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[C2,$;|C]).
+gen_so_bg(_Opt,Gstkid,_TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([obj(Gstkid)," cg -bg"]).
+
+gen_so_selectbw(Width,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ C2 = [obj(Gstkid), " conf -selectbo ", gstk:to_ascii(Width)],
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[C2,$;|C]).
+gen_so_selectbw(_Opt,Gstkid,_TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_int([obj(Gstkid)," cg -selectbo"]).
+
+gen_so_selectfg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ C2 = [obj(Gstkid), " conf -selectfo ", gstk:to_color(Color)],
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[C2,$;|C]).
+gen_so_selectfg(_Opt,Gstkid,_TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([obj(Gstkid)," cg -selectfo"]).
+
+gen_so_selectbg(Color,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ C2 = [obj(Gstkid), " conf -selectba ", gstk:to_color(Color)],
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,S,P,[C2,$;|C]).
+gen_so_selectbg(_Opt,Gstkid,_TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_color([obj(Gstkid)," cg -selectba"]).
+
+gen_so_scrolls({Vscroll, Hscroll},Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ SO = Gstkid#gstkid.widget_data,
+ NewSO = SO#so{hscroll=Hscroll, vscroll=Vscroll},
+ C2 = scrolls_vh(TkW, Vscroll, Hscroll),
+ Ngstkid = Gstkid#gstkid{widget_data=NewSO},
+ gstk_db:update_widget(DB,Ngstkid),
+ out_opts(Opts,Ngstkid,TkW,DB,ExtraArg,S,P,[C2,$;|C]).
+
+ % read-only
+gen_so_hscroll(_Opt,#gstkid{widget_data=SO},_TkW,_DB,_) ->
+ SO#so.hscroll.
+
+ % read-only
+gen_so_vscroll(_Opt,#gstkid{widget_data=SO},_TkW,_DB,_) ->
+ SO#so.vscroll.
+
+cursors() -> [{arrow,"top_left_arrow"},{busy,"watch"},{cross,"X_cursor"},
+ {hand,"hand2"},{help,"question_arrow"},{resize,"fleur"},
+ {text,"xterm"}].
+
+gen_cursor(parent,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -cur {}"|S],P,C);
+gen_cursor(Cur,Opts,Gstkid,TkW,DB,ExtraArg,S,P,C) ->
+ case gs:assq(Cur,cursors()) of
+ {value, TxtCur} ->
+ out_opts(Opts,Gstkid,TkW,DB,ExtraArg,[" -cur ",TxtCur|S],P,C);
+ _ ->
+ {error,{invalid_cursor,Gstkid#gstkid.objtype,Cur}}
+ end.
+gen_cursor(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ case tcl2erl:ret_str([TkW," cg -cur"]) of
+ "" -> parent;
+ Txt when is_list(Txt) ->
+ case lists:keysearch(Txt,2,cursors()) of
+ {value,{Cur,_}} -> Cur;
+ _ -> {bad_result, read_cursor}
+ end;
+ Bad_Result -> Bad_Result
+ end.
+
+gen_citem_coords(Coords,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ gstk_db:insert_opt(DB,Gstkid,{coords,Coords}),
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [TkW, " coords ", AItem," ",gstk_canvas:coords(Coords),$;|C]).
+gen_citem_coords(_Opt,Gstkid,_TkW,DB,_ExtraArg) ->
+ gstk_db:opt(DB,Gstkid, coords).
+
+gen_citem_fill(none,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,[" -f {}"|S],P,C);
+gen_citem_fill(Color,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,[" -f ",gstk:to_color(Color)|S],P,C).
+gen_citem_fill(_Opt,_Gstkid,TkW,_DB,AItem) ->
+ tcl2erl:ret_color([TkW, " itemcg ", AItem, " -f"]).
+
+gen_citem_lower(_,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [TkW, " lower ", AItem,$;|C]).
+
+gen_citem_raise(_,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [TkW, " raise ", AItem,$;|C]).
+
+gen_citem_move({Dx,Dy},Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ NewCoords = move_coords(Dx,Dy,gstk_db:opt(DB,Gstkid,coords)),
+ gstk_db:insert_opt(DB,Gstkid,NewCoords),
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [TkW, " move ", AItem, " ",
+ gstk:to_ascii(Dx), " ", gstk:to_ascii(Dy),$;|C]).
+
+move_coords(Dx,Dy,Coords) ->
+ Coords2 = add_to_coords(Dx,Dy, Coords),
+ {coords,Coords2}.
+
+add_to_coords(Dx,Dy,[{X,Y}|Coords]) ->
+ [{X+Dx,Y+Dy}|add_to_coords(Dx,Dy,Coords)];
+add_to_coords(_,_,[]) -> [].
+
+
+gen_citem_setfocus(true,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [TkW, " focus ", AItem,$;|C]);
+gen_citem_setfocus(false,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [TkW, " focus {}",$;|C]).
+gen_citem_setfocus(_Opt,_Gstkid,TkW,_DB,_ExtraArg) ->
+ tcl2erl:ret_focus(gstk:to_ascii(bug_aitem),[TkW, " focus"]).
+
+gen_citem_buttonpress(On,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [item_bind(DB, Gstkid, TkW, AItem,buttonpress, On),$;|C]).
+gen_citem_buttonrelease(On,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [item_bind(DB,Gstkid,TkW,AItem,buttonrelease, On),$;|C]).
+gen_citem_enter(On,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [item_bind(DB, Gstkid, TkW, AItem, enter, On),$;|C]).
+
+gen_citem_keypress(On,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [item_bind(DB, Gstkid, TkW, AItem, keypress, On),$;|C]).
+gen_citem_keyrelease(On,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [item_bind(DB, Gstkid, TkW, AItem, keyrelease, On),$;|C]).
+
+gen_citem_leave(On,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [item_bind(DB, Gstkid, TkW, AItem, leave, On),$;|C]).
+gen_citem_motion(On,Opts,Gstkid,TkW,DB,AItem,S,P,C) ->
+ out_opts(Opts,Gstkid,TkW,DB,AItem,S,P,
+ [item_bind(DB, Gstkid, TkW, AItem, motion, On),$;|C]).
+
+
+scrolls_vh(W, V, true) -> scrolls_vh(W, V, bottom);
+scrolls_vh(W, true, H) -> scrolls_vh(W, left, H);
+scrolls_vh(W, left, bottom) -> ["so_bottom_left ",W];
+scrolls_vh(W, left, top) -> ["so_top_left ",W];
+scrolls_vh(W, left, _) -> ["so_left ",W];
+scrolls_vh(W, right, bottom) -> ["so_bottom_right ",W];
+scrolls_vh(W, right, top) -> ["so_top_right ",W];
+scrolls_vh(W, right, _) -> ["so_right ",W];
+scrolls_vh(W, _, bottom) -> ["so_bottom ",W];
+scrolls_vh(W, _, top) -> ["so_top ",W];
+scrolls_vh(W, _, _) -> ["so_plain ",W].
+
+%% create version
+parse_scrolls(Opts) ->
+ {Vscroll, Hscroll, NewOpts} = parse_scrolls(Opts, false, false, []),
+ {Vscroll, Hscroll, [{scrolls, {Vscroll, Hscroll}} | NewOpts]}.
+
+%% config version
+parse_scrolls(Gstkid, Opts) ->
+ SO = Gstkid#gstkid.widget_data,
+ Vscroll = SO#so.vscroll,
+ Hscroll = SO#so.hscroll,
+ case parse_scrolls(Opts, Vscroll, Hscroll, []) of
+ {Vscroll, Hscroll, Opts} -> Opts;
+ {NewVscroll, NewHscroll, NewOpts} ->
+ [{scrolls, {NewVscroll, NewHscroll}} | NewOpts]
+ end.
+
+
+parse_scrolls([Option | Rest], Vscroll, Hscroll, Opts) when is_tuple(Option) ->
+ case element(1, Option) of
+ vscroll ->
+ parse_scrolls(Rest, element(2, Option), Hscroll, Opts);
+ hscroll ->
+ parse_scrolls(Rest, Vscroll, element(2, Option), Opts);
+ _ ->
+ parse_scrolls(Rest, Vscroll, Hscroll, [Option | Opts])
+ end;
+
+parse_scrolls([Option | Rest], Vscroll, Hscroll, Opts) ->
+ parse_scrolls(Rest, Vscroll, Hscroll, [Option | Opts]);
+
+parse_scrolls([], Vscroll, Hscroll, Opts) ->
+ {Vscroll, Hscroll, Opts}.
+
+
+%%
+%% Event bind main function
+%%
+%% Should return a list of tcl commands or invalid_option
+%%
+%% WS = Widget suffix for complex widgets
+%%
+bind(DB, Gstkid, TkW, Etype, On) ->
+ WD = Gstkid#gstkid.widget_data,
+ TkW2 = if is_record(WD, so) ->
+ WD#so.object;
+ true -> TkW
+ end,
+ case bind(DB, Gstkid, TkW2, Etype, On, "") of
+ invalid_option -> invalid_option;
+ Cmd ->
+ Cmd
+ end.
+
+bind(DB, Gstkid, TkW, Etype, On, WS) ->
+ case On of
+ true -> ebind(DB, Gstkid, TkW, Etype, WS, "");
+ false -> eunbind(DB, Gstkid, TkW, Etype, WS, "");
+ {true, Edata} -> ebind(DB, Gstkid, TkW, Etype, WS, Edata);
+ {false, Edata} -> eunbind(DB, Gstkid, TkW, Etype, WS, Edata);
+ _ -> invalid_option
+ end.
+
+
+%%
+%% Event bind on
+%%
+%% Should return a list of tcl commands or invalid_option
+%%
+%% WS = Widget suffix for complex widgets
+%%
+ebind(DB, Gstkid, TkW, Etype, WS, Edata) ->
+ Eref = gstk_db:insert_event(DB, Gstkid, Etype, Edata),
+ P = ["bind ", TkW, WS],
+ Cmd = case Etype of
+ motion -> [P, " <Motion> {erlsend ", Eref, " %x %y}"];
+ keypress ->
+ [P, " <KeyPress> {erlsend ", Eref," %K %N 0 0};",
+ P, " <Shift-KeyPress> {erlsend ", Eref, " %K %N 1 0};",
+ P, " <Control-KeyPress> {erlsend ", Eref, " %K %N 0 1};",
+ P," <Control-Shift-KeyPress> {erlsend ", Eref," %K %N 1 1}"];
+ keyrelease ->
+ [P, " <KeyRelease> {erlsend ", Eref," %K %N 0 0};",
+ P, " <Shift-KeyRelease> {erlsend ", Eref, " %K %N 1 0};",
+ P, " <Control-KeyRelease> {erlsend ", Eref, " %K %N 0 1};",
+ P," <Control-Shift-KeyRelease> {erlsend ",Eref," %K %N 1 1}"];
+ buttonpress ->
+ [P, " <ButtonPress> {erlsend ", Eref, " %b %x %y}"];
+ buttonrelease ->
+ [P, " <ButtonRelease> {erlsend ", Eref, " %b %x %y}"];
+ leave -> [P, " <Leave> {erlsend ", Eref, "}"];
+ enter -> [P, " <Enter> {erlsend ", Eref, "}"];
+ destroy ->
+ [P, " <Destroy> {if {\"%W\"==\"", [TkW, WS],
+ "\"} {erlsend ", Eref, "}}"];
+ focus ->
+ [P, " <FocusIn> {erlsend ", Eref, " 1};" ,
+ P, " <FocusOut> {erlsend ", Eref, " 0}"];
+ configure ->
+ [P, " <Configure> {if {\"%W\"==\"", [TkW, WS],
+ "\"} {erlsend ", Eref, " %w %h %x %y}}"]
+ end,
+ Cmd.
+
+
+%%
+%% Unbind event
+%%
+%% Should return a list of tcl commands
+%% Already checked for validation in bind/5
+%%
+%% WS = Widget suffix for complex widgets
+%%
+eunbind(DB, Gstkid, TkW, Etype, WS, _Edata) ->
+ gstk_db:delete_event(DB, Gstkid, Etype),
+ P = ["bind ", TkW, WS],
+ Cmd = case Etype of
+ motion ->
+ [P, " <Motion> {}"];
+ keypress ->
+ [P, " <KeyPress> {};",
+ P, " <Shift-KeyPress> {};",
+ P, " <Control-KeyPress> {};",
+ P, " <Control-Shift-KeyPress> {}"];
+ keyrelease ->
+ [P, " <KeyRelease> {};",
+ P, " <Shift-KeyRelease> {};",
+ P, " <Control-KeyRelease> {};",
+ P, " <Control-Shift-KeyRelease> {}"];
+ buttonpress ->
+ [P, " <ButtonPress> {}"];
+ buttonrelease ->
+ [P, " <ButtonRelease> {}"];
+ leave ->
+ [P, " <Leave> {}"];
+ enter ->
+ [P, " <Enter> {}"];
+ destroy ->
+ [P, " <Destroy> {}"];
+ focus ->
+ [P, " <FocusIn> {};",
+ P, " <FocusOut> {}"];
+ configure ->
+ [P, " <Configure> {}"]
+ end,
+ Cmd.
+
+
+%%
+%% Event item bind main function
+%%
+%% Should return a list of tcl commands or invalid_option
+%%
+item_bind(DB, Gstkid, Canvas, Item, Etype, On) ->
+ case On of
+ true -> item_ebind(DB, Gstkid, Canvas, Item, Etype, "");
+ {true, Edata} -> item_ebind(DB, Gstkid, Canvas, Item, Etype, Edata);
+ _Other -> item_eunbind(DB, Gstkid, Canvas, Item, Etype)
+ end.
+
+%%
+%% Event bind on
+%%
+%% Should return a list of tcl commands or invalid_option
+%%
+item_ebind(DB, Gstkid, Canvas, Item, Etype, Edata) ->
+ Eref = gstk_db:insert_event(DB, Gstkid, Etype, Edata),
+ P = [Canvas, " bind ", Item],
+ case Etype of
+ enter -> [P, " <Enter> {erlsend ", Eref, "}"];
+ leave -> [P, " <Leave> {erlsend ", Eref, "}"];
+ motion -> [P, " <Motion> {erlsend ", Eref, " [",
+ Canvas, " canvasx %x] [", Canvas, " canvasy %y] %x %y}"];
+ keypress ->
+ [P, " <Key> {erlsend ", Eref," %K %N 0 0 [",
+ Canvas, " canvasx %x] [", Canvas, " canvasy %y]};",
+ P, " <Shift-Key> {erlsend ", Eref, " %K %N 1 0 [",
+ Canvas, " canvasx %x] [", Canvas, " canvasy %y]};",
+ P, " <Control-Key> {erlsend ", Eref, " %K %N 0 1 [",
+ Canvas, " canvasx %x] [", Canvas, " canvasy %y]};",
+ P, " <Control-Shift-Key> {erlsend ", Eref," %K %N 1 1 [",
+ Canvas, " canvasx %x] [", Canvas, " canvasy %y]}"];
+ keyrelease ->
+ [P, " <KeyRelease> {erlsend ", Eref," %K %N 0 0 [",
+ Canvas, " canvasx %x] [", Canvas, " canvasy %y]};",
+ P, " <Shift-KeyRelease> {erlsend ", Eref, " %K %N 1 0 [",
+ Canvas, " canvasx %x] [", Canvas, " canvasy %y]};",
+ P, " <Control-KeyRelease> {erlsend ", Eref, " %K %N 0 1 [",
+ Canvas, " canvasx %x] [", Canvas, " canvasy %y]};",
+ P, " <Control-Shift-KeyRelease> {erlsend ", Eref," %K %N 1 1[",
+ Canvas, " canvasx %x] [", Canvas, " canvasy %y]}"];
+ buttonpress ->
+ [P, " <Button> {erlsend ", Eref, " %b [",
+ Canvas, " canvasx %x] [", Canvas, " canvasy %y] %x %y}"];
+ buttonrelease ->
+ [P, " <ButtonRelease> {erlsend ", Eref, " %b [",
+ Canvas, " canvasx %x] [", Canvas, " canvasy %y] %x %y}"]
+ end.
+
+
+%%
+%% Unbind event
+%%
+%% Should return a list of tcl commands
+%% Already checked for validation in bind/5
+%%
+item_eunbind(DB, Gstkid, Canvas, Item, Etype) ->
+ gstk_db:delete_event(DB, Gstkid, Etype),
+ P = [Canvas, " bind ", Item],
+ Cmd = case Etype of
+ enter -> [P, " <Enter> {}"];
+ leave -> [P, " <Leave> {}"];
+ motion -> [P, " <Motion> {}"];
+ keypress ->
+ [P, " <KeyPress> {};",
+ P, " <Shift-KeyPress> {};",
+ P, " <Control-KeyPress> {};",
+ P, " <Control-Shift-KeyPress> {}"];
+ keyrelease ->
+ [P, " <KeyRelease> {};",
+ P, " <Shift-KeyRelease> {};",
+ P, " <Control-KeyRelease> {};",
+ P, " <Control-Shift-KeyRelease> {}"];
+ buttonpress -> [P, " <Button> {}"];
+ buttonrelease -> [P, " <ButtonRelease> {}"]
+ end,
+ Cmd.
+
+
+
+event(DB, Gstkid, Etype, _Edata, Args) ->
+ #gstkid{owner=Ow,id=Id} = Gstkid,
+ Data = gstk_db:opt(DB,Gstkid,data),
+ gs_frontend:event(get(gs_frontend),Ow,{gs,Id,Etype,Data,Args}).