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-rw-r--r--lib/gs/src/gstk_frame.erl282
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diff --git a/lib/gs/src/gstk_frame.erl b/lib/gs/src/gstk_frame.erl
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--- a/lib/gs/src/gstk_frame.erl
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-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 1996-2016. 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 Frame Type.
-%% ------------------------------------------------------------
-
--module(gstk_frame).
-
-%%-----------------------------------------------------------------------------
-%% FRAME OPTIONS
-%%
-%% Attributes:
-%% anchor n,w,s,e,nw,se,ne,sw,center
-%% bg Color
-%% bw Int
-%% data Data
-%% height Int
-%% highlightbg Color
-%% highlightbw Int
-%% highlightfg Color
-%% relief Relief [flat|raised|sunken|ridge|groove]
-%% width Int
-%% x Int
-%% y Int
-%% cursor arrow|busy|cross|hand|help|resize|text
-%%
-%% 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
-%%
-
--export([create/3,config/3,read/3,delete/2,event/5,option/5,read_option/5,
- mk_create_opts_for_child/4]).
-
--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),
- NGstkid=GstkId#gstkid{widget=TkW},
- PlacePreCmd = [";place ", TkW],
- case gstk_generic:make_command(Opts, NGstkid, TkW, "", PlacePreCmd, DB) of
- {error,Reason} -> {error,Reason};
- Cmd when is_list(Cmd) ->
- gstk:exec(["frame ", TkW,
- " -relief raised -bo 0",Cmd]),
- 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"],
- PlacePreCmd = [";place ", TkW],
- Opts2 = atomic_width_height(false,false,Opts),
- gstk_generic:mk_cmd_and_exec(Opts2,Gstkid,TkW,SimplePreCmd,PlacePreCmd,DB).
-
-atomic_width_height(false,false,[]) ->
- [];
-atomic_width_height(false,Width,[]) ->
- [{width,Width}];
-atomic_width_height(Height,false,[]) ->
- [{height,Height}];
-atomic_width_height(H,W,[]) ->
- [{width_height,{W,H}}];
-atomic_width_height(_,W,[{height,H}|Opts]) ->
- atomic_width_height(H,W,Opts);
-atomic_width_height(H,_,[{width,W}|Opts]) ->
- atomic_width_height(H,W,Opts);
-atomic_width_height(H,W,[Opt|Opts]) ->
- [Opt|atomic_width_height(H,W,Opts)].
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% 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
- {bg, Color} -> {s, [" -bg ", gstk:to_color(Color)]};
- {packer_x, _Pack} ->
- gstk_db:insert_opt(DB,Gstkid,Option),
- none;
- {packer_y, _Pack} ->
- gstk_db:insert_opt(DB,Gstkid,Option),
- none;
- {width, W} ->
- execute_pack_cmds(DB,xpack(W,DB,Gstkid)),
- {s,[" -wi ", gstk:to_ascii(W)]};
- {height, H} ->
- execute_pack_cmds(DB,ypack(H,DB,Gstkid)),
- {s,[" -he ", gstk:to_ascii(H)]};
- {width_height,{W,H}} ->
- execute_pack_cmds(DB, merge_pack_cmds(xpack(W,DB,Gstkid),
- ypack(H,DB,Gstkid))),
- {s,[" -he ", gstk:to_ascii(H)," -wi ", gstk:to_ascii(W)]};
- _ -> invalid_option
- end.
-
-xpack(W,DB,Gstkid) ->
- gstk_db:insert_opt(DB,Gstkid,{width,W}),
- case gstk_db:opt_or_not(DB,Gstkid,packer_x) of
- {value,Pack} when is_list(Pack) ->
- ColSiz = gs_packer:pack(W,Pack),
- pack_children(pack_x,x,width,DB,
- gstk_db:lookup_kids(DB,Gstkid#gstkid.id),
- ColSiz);
- _Else -> []
- end.
-
-ypack(H,DB,Gstkid) ->
- gstk_db:insert_opt(DB,Gstkid,{height,H}),
- case gstk_db:opt_or_not(DB,Gstkid,packer_y) of
- {value,Pack} when is_list(Pack) ->
- ColSiz = gs_packer:pack(H,Pack),
- pack_children(pack_y,y,height,DB,
- gstk_db:lookup_kids(DB,Gstkid#gstkid.id),
- ColSiz);
- _Else -> []
- end.
-
-merge_pack_cmds([{Id,Opts1}|Cmds1],[{Id,Opts2}|Cmds2]) ->
- [{Id,Opts1++Opts2}|merge_pack_cmds(Cmds1,Cmds2)];
-merge_pack_cmds(L1,L2) ->
- L1++L2.
-
-execute_pack_cmds(DB,[{Id,Opts}|Cmds]) ->
- gstk:config_impl(DB,Id,Opts),
- execute_pack_cmds(DB,Cmds);
-execute_pack_cmds(_,[]) ->
- ok.
-
-%%----------------------------------------------------------------------
-%% Returns: list of {Id,Opts} to be executed (or merged with other first)
-%%----------------------------------------------------------------------
-pack_children(PackOpt,PosOpt,SizOpt,DB,Kids,Sizes) ->
- Schildren = keep_packed(Kids,PackOpt,DB),
- pack_children2(PackOpt,PosOpt,SizOpt,Schildren,Sizes).
-
-pack_children2(PackOpt,PosOpt,SizOpt,[{StartStop,Id}|Childs],Sizes) ->
- [pack_child(Id,StartStop,SizOpt,PosOpt,Sizes)
- | pack_children2(PackOpt,PosOpt,SizOpt,Childs,Sizes)];
-pack_children2(_,_,_,[],_) ->
- [].
-
-pack_child(Id,{StartPos,StopPos},SizOpt,PosOpt,Sizes) ->
- {Pos,Size} = find_pos(StartPos,StopPos,1,0,0,Sizes),
- {Id,[{PosOpt,Pos},{SizOpt,Size}]}.
-
-%%----------------------------------------------------------------------
-%% Returns: {PixelPos,PixelSize}
-%%----------------------------------------------------------------------
-find_pos(_StartPos,Pos,Pos,AccPixelPos,AccPixelSize,[Size|_]) ->
- {AccPixelPos,Size+AccPixelSize};
-find_pos(StartPos,StopPos,Pos,AccPixelPos,0,[Size|Sizes])
- when Pos < StartPos ->
- find_pos(StartPos,StopPos,Pos+1,Size+AccPixelPos,0,Sizes);
-find_pos(_StartPos,StopPos,Pos,AccPixelPos,AccPixelSize,[Size|Sizes])
- when Pos < StopPos ->
- find_pos(Pos,StopPos,Pos+1,AccPixelPos,Size+AccPixelSize,Sizes).
-
-
-
-keep_packed([Id|Ids],PackOpt,DB) ->
- case gstk:read_impl(DB,Id,PackOpt) of
- undefined ->
- keep_packed(Ids,PackOpt,DB);
- StartStop ->
- [{StartStop,Id} | keep_packed(Ids,PackOpt,DB)]
- end;
-keep_packed([],_,_) ->
- [].
-
-
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% 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
- bg -> tcl2erl:ret_color([TkW," cg -bg"]);
- _ -> {bad_result, {Gstkid#gstkid.objtype, invalid_option, Option}}
- end.
-
-%% ----- Done -----
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