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/* $Id: pce_demo.pl,v 1.12 2002/02/01 15:04:49 jan Exp $
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): 1985-2002, University of Amsterdam
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
As a special exception, if you link this library with other files,
compiled with a Free Software compiler, to produce an executable, this
library does not by itself cause the resulting executable to be covered
by the GNU General Public License. This exception does not however
invalidate any other reasons why the executable file might be covered by
the GNU General Public License.
*/
:- module(pce_demo,
[ pcedemo/0
]).
:- use_module(library(pce)).
:- use_module(contrib(contrib)).
:- use_module(library(persistent_frame)).
:- require([ emacs/1
, forall/2
, member/2
, term_to_atom/2
]).
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
This file defines a demo-starting tool. The demo's themselves should
be in the library files 'demo/<demo-file>.pl'. At the end of this
file is a list of available demo's.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
pcedemo :-
new(F, persistent_frame('XPCE Demo Programs')),
send(F, append, new(B, browser(@default, size(60,10)))),
send(B, confirm_done, @off),
send(B, tab_stops, vector(150)),
fill_browser(B),
send(new(D, dialog), below, B),
send(D, append, new(O, button(open, message(@prolog, open_demo, B)))),
send(D, append, button(source, message(@prolog, view_source, B))),
send(D, append, button(quit, message(D?frame, free))),
send(D, default_button, open),
send(B, open_message, message(O, execute)),
send(B, style, title, style(font := font(helvetica, bold, 14))),
send(B, open).
fill_browser(B) :-
forall(demo(Name, Summary, _File, _Predicate),
send(B, append, dict_item(Name,
string('%s %s', Name, Summary)))),
send(B, append,
dict_item('======Contributions====================',
style := title)),
forall(contribution(Name, Summary, _Author, _File, _Predicate),
send(B, append, dict_item(Name,
string('%s %s', Name, Summary)))).
open_demo(Browser) :-
get(Browser, selection, DictItem),
( ( DictItem == @nil
; get(DictItem, style, title)
)
-> send(@display, inform, 'First select a demo')
; get(DictItem, key, Name),
( ( demo(Name, _Summary, File, Predicate)
; contribution(Name, _Summary, _Author, File, Predicate)
)
-> ( use_module(File)
-> ( Predicate
-> true
; send(@pce, inform, 'Failed to start %s demo', Name)
)
; send(@pce, inform, 'Can''t find demo sourcefile')
)
; send(Browser, report, error, 'No such demo: %s', Name)
)
).
view_source(Browser) :-
get(Browser, selection, DictItem),
( DictItem == @nil
-> send(@display, inform, 'First select a demo')
; get(DictItem, key, Name),
( demo(Name, _Summary, File, _Predicate)
; contribution(Name, _Summary, _Author, File, _Predicate)
),
( locate_file(File, Path)
-> emacs(Path)
; term_to_atom(File, FileAtom),
send(Browser, report, error,
'Can''t find source from %s', FileAtom)
)
).
locate_file(Base, File) :-
absolute_file_name(Base,
[ file_type(prolog),
access(read)
], File).
/********************************
* DEMO'S *
********************************/
demo('PceDraw', % Name
'Drawing tool', % Summary
library(pcedraw), % Sources
pcedraw). % Toplevel predicate
demo('Ispell',
'Graphical interface to ispell (requires ispell 3)',
demo(ispell),
ispell) :-
send(@pce, has_feature, process).
demo('Emacs',
'Emacs (Epoch) look-alike editor',
library(pce_emacs),
emacs).
demo('FontViewer',
'Examine PCE predefined fonts',
demo(fontviewer),
fontviewer).
demo('Cursors',
'Displays browser of available cursors',
demo(cursor),
cursor_demo).
demo('Colours',
'Displays browser of named colours',
demo(colour),
colour_browser).
demo('HSV Colours',
'Colour browser using Hue-Saturnation-Value',
demo(hsvcolour),
hsv_browser).
demo('ImageViewer',
'Examine image files in a directory',
demo(imageviewer),
image_viewer).
demo('Events',
'Display hierarchy of event-types',
demo(event_hierarchy),
event_hierarchy).
demo('GraphViewer',
'Visualise a graph represented as Prolog facts',
demo(graph),
graph_viewer).
demo('FtpLog',
'Examine /usr/adm/xferlog (ftp log file)',
demo(ftplog),
ftplog('/usr/adm/xferlog')) :-
send(@pce, has_feature, process),
send(file('/usr/adm/xferlog'), access, read).
demo('ChessTool',
'Simple frontend for /usr/games/chess',
demo(chess),
chess) :-
send(@pce, has_feature, process),
send(file('/usr/games/chess'), access, execute).
demo('Constraints',
'Using constraints and relations',
demo(constraint),
constraint_demo).
demo('Kangaroo',
'Jumping kangaroos demo',
demo(kangaroo),
kangaroo).
demo('Juggler',
'Annimation of a juggling creature',
demo(juggler),
juggle_demo).
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