/* Part of XPCE --- The SWI-Prolog GUI toolkit Author: Jan Wielemaker and Anjo Anjewierden E-mail: jan@swi.psy.uva.nl WWW: http://www.swi.psy.uva.nl/projects/xpce/ Copyright (c) 1997-2011, University of Amsterdam All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ :- module(draw_config, [ ]). :- use_module(library(pce)). :- use_module(library(pce_config)). :- require([ absolute_file_name/3 , broadcast_request/1 , file_directory_name/2 ]). :- pce_global(@draw_default_arrow, new(arrow)). /******************************* * CHECK ENVIRONMENT * *******************************/ has_metafile :- get(@pce, convert, win_metafile, class, _). has_printer_class :- get(@pce, convert, win_printer, class, _). /******************************* * CONFIG STUFF * *******************************/ config(Path, Attributes) :- broadcast_request(config(draw_config:Path, Attributes)). config(config/file, [ default('PceDraw') ]). config(config/application, [ default('PceDraw') ]). config(edit/auto_align, [ type(bool), comment(['Startup default for `Settings/Auto Align'': ', 'Automatically align new and modified objects']), default(true), icon('16x16/valign.xpm') ]). config(resources/default_font, [ type(font), comment('Default font for text objects'), default(Default) ]) :- ( get(@pce, convert, normal, font, Normal), get(Normal, family, win) -> Default = font(helvetica, roman, 12) ; Default = normal ). config(resources/colour_palette, [ type(setof(colour)), comment('Set of colours available in attribute viewer'), default([red, green, blue, yellow, black, white]) ]). config(resources/fill_palette, [ type(setof(image)), comment('Images used for filling'), default([ @white_image, @grey12_image, @grey25_image, @grey50_image, @grey75_image, @black_image ]) ]). config(resources/arrows, [ type(setof(arrow)), comment('Arrow heads for lines'), default([ @draw_default_arrow ]) ]). config(print/printer, [ type(name), comment('Name of the default printer. May be $VARIABLE'), default(DefPrinter) ]) :- \+ has_printer_class, ( get(@pce, environment_variable, 'PRINTER', _DefPrinter) -> DefPrinter = '$PRINTER' ; DefPrinter = 'PostScript' ). config(print/print_command, [ type(name), comment(['Command to send PostScript file to printer. ', '%p refers to the printer, %f to the (temporary) ', 'PostScript file']), default('lpr -P%p %f') ]) :- \+ has_printer_class. config(file/save_prototypes, [ type(bool), comment('Save user prototypes with drawing.'), default(true) ]). config(file/save_postscript_on_save, [ type(bool), comment(['Automatically save drawing as PostScript after ', 'saving as PceDraw .pd file' ]), default(false) ]). config(file/save_metafile_on_save, [ type(bool), comment(['Automatically save drawing as Windows metafile after ', 'saving as PceDraw .pd file' ]), default(false) ]) :- has_metafile. config(file/postscript_file_extension, [ type(name), comment(['Extension for PostScript files. ', 'PceDraw generated PostScript satisfies the rules ', 'for `Encapsulated PostScript''']), default('eps') ]). config(file/meta_file_format, [ type({aldus,wmf,emf}), comment(['WMF is Windows 3.1 metafile format. ALDUS is WMF with', 'additional information. EMF is Windows 95 and NT', 'metafile format. Use EMF whenever possible as its', 'scaling behaviour is much better' ]), default(emf) ]) :- has_metafile. config(history/recent_files, [ type(setof(file)), comment('Recently visited files'), editable(false) ]). config(history/geometry/main_window, [ type(geometry), comment('(X-)geometry specification of main window'), editable(false), default('600x600') ]). config(history/geometry/attributes, [ type(point), comment('X,Y offset of attribute editor relative to main window'), editable(false) ]). resource(arrows, image, image('16x16/arrows.bm')). resource(fillpattern, image, image('16x16/fillpattern.bm')). :- register_config_type(arrow, [ editor(arrow_item), term([ length, wing, style, fill_pattern ]+pen+colour), icon(arrows) ]). :- register_config_type(setof(arrow), [ editor(arrow_set_item), icon(arrows) ]). :- register_config_type(setof(image), [ editor(image_set_item), icon(fillpattern) ]). :- register_config(config). /******************************* * CLASSES * *******************************/ :- pce_autoload(arrow_item, library(pce_arrow_item)). :- pce_autoload(image_item, library(pce_image_item)). :- pce_autoload(set_item, library(pce_set_item)). :- pce_autoload(graphical_browser, library(pce_graphical_browser)). :- pce_begin_class(arrow_set_item, set_item, "Editor for a set of arrows"). initialise(ASI, Name:[name], Default:[chain], Msg:[code]*) :-> new(B, graphical_browser(@default, @default, ?(@prolog, make_arrow_line, @arg1), @arg1?second_arrow)), send(B, single_column, @on), send(ASI, send_super, initialise, new(arrow_item), Name, Msg, B), ( Default \== @default -> send(ASI, selection, Default) ; true ). make_arrow_line(Arrow, Line) :- new(Line, line(0, 0, 50, 0)), send(Line, second_arrow, Arrow). :- pce_end_class. :- pce_begin_class(image_set_item, set_item, "Editor for a set of images"). initialise(ASI, Name:[name], Default:[chain], Msg:[code]*) :-> new(B, graphical_browser(@default, @default, create(bitmap, @arg1), @arg1?image)), send(ASI, send_super, initialise, new(II, image_item), Name, Msg, B), ( absolute_file_name(pce('bitmaps/patterns'), [ file_type(directory), access(read), file_errors(fail) ], PatternDir) -> send(II, directory, PatternDir) ; true ), ( Default \== @default -> good_patterns(Default, Patterns), send(ASI, selection, Patterns) ; true ). good_patterns(ChainIn, ChainOut) :- chain_list(ChainIn, ListIn), realise_patterns(ListIn, ListOut), chain_list(ChainOut, ListOut). realise_patterns([], []). realise_patterns([Image|T0], [Image|T]) :- object(Image), send(Image, instance_of, image), !, realise_patterns(T0, T). realise_patterns([Name|T0], [Image|T]) :- pce_catch_error(_Error, new(Image, image(Name))), !, realise_patterns(T0, T). realise_patterns([_|T0], T) :- realise_patterns(T0, T). selection(ASI, Sel:chain) :<- get(ASI, get_super, selection, Sel0), get(Sel0, map, ?(@prolog, map_selected_image, @arg1), Sel). map_selected_image(@Named, @Named) :- atom(Named), !. map_selected_image(Image, Named) :- get(Image, name, @nil), get(Image, file, File), get(Image, path, SearchPath), local_name(SearchPath, File, Name), !, new(Named, image(Name)). map_selected_image(Image, Image). local_name(SearchPath, File, Name) :- get(File, absolute_path, FileName), base_name(FileName, Name), new(F, file(Name)), pce_catch_error(cannot_find_file, send(F, find, SearchPath, read)), send(F, same, File), !. base_name(FileName, Name) :- file_directory_name(FileName, Dir), base_name(FileName, Dir, Name). base_name(FileName, Dir0, Local) :- get(Dir0, ensure_suffix, /, Dir), atom_concat(Dir, Local, FileName). base_name(_, /, _) :- !, fail. base_name(_, '', _) :- !, fail. base_name(FileName, Dir, Local) :- file_directory_name(Dir, Super), base_name(FileName, Super, Local). :- pce_end_class.