<HTML> <HEAD> <!-- Created by texi2html 1.56k + clip patches and <A href="http://www.clip.dia.fi.upm.es/Software">lpdoc</A> from ciao.texi on 28 January 2007 --> <LINK rel="stylesheet" href="ciao.css" type="text/css"> <TITLE>The Ciao Prolog System - The Tcl/Tk Class Interface</TITLE> </HEAD> <BODY> Go to the <A HREF="ciao_1.html">first</A>, <A HREF="ciao_126.html">previous</A>, <A HREF="ciao_128.html">next</A>, <A HREF="ciao_241.html">last</A> section, <A HREF="ciao_toc.html">table of contents</A>. <P><HR><P> <H1><A NAME="SEC545" HREF="ciao_toc.html#TOC545">The Tcl/Tk Class Interface</A></H1> <P> <A NAME="IDX6126"></A> <P> <STRONG>Author(s):</STRONG> Montserrat Urraca, Montserrat Iglesias Urraca, <CODE>http://www.clip.dia.fi.upm.es/</CODE>, The CLIP Group, Facultad de Informática, Universidad Politécnica de Madrid. <P> <STRONG>Version:</STRONG> 1.10#7 (2006/4/26, 19:22:13 CEST) <P> <STRONG>Version of last change:</STRONG> 1.9#152 (2003/12/4, 17:35:17 CET) <P> This library implements an object-orented graphical library with a number of predefined objects, using the Prolog Tcl/Tk interface. This interface allows creating and destroying objects and modifying their properties. The <A NAME="IDX6127"></A> <CODE>window_class</CODE> contains three clases: widget class, menu class, and canvas class. The constructor class is window_class. <P> <STRONG>Note:</STRONG> This library (and the documentation) are still under development. <UL> <LI><A HREF="ciao_127.html#SEC546">Usage and interface (window_class)</A> <LI><A HREF="ciao_127.html#SEC547">Documentation on exports (window_class)</A> </UL> <H2><A NAME="SEC546" HREF="ciao_toc.html#TOC546">Usage and interface (<CODE>window_class</CODE>)</A></H2> <div class="cartouche"> <UL> <LI><STRONG>Library usage:</STRONG> <CODE>:- use_module(library(window_class)).</CODE> <LI><STRONG>Exports:</STRONG> <UL> <LI><EM>Predicates:</EM> <A NAME="IDX6128"></A> <CODE>window_class/0</CODE>, <A NAME="IDX6129"></A> <CODE>window_class/3</CODE>, <A NAME="IDX6130"></A> <CODE>destructor/0</CODE>, <A NAME="IDX6131"></A> <CODE>show/0</CODE>, <A NAME="IDX6132"></A> <CODE>hide_/0</CODE>, <A NAME="IDX6133"></A> <CODE>title/1</CODE>, <A NAME="IDX6134"></A> <CODE>maxsize/2</CODE>, <A NAME="IDX6135"></A> <CODE>minsize/2</CODE>, <A NAME="IDX6136"></A> <CODE>withdraw/0</CODE>, <A NAME="IDX6137"></A> <CODE>event_loop/0</CODE>. <LI><EM>Regular Types:</EM> <A NAME="IDX6138"></A> <CODE>widget/1</CODE>, <A NAME="IDX6139"></A> <CODE>option/1</CODE>, <A NAME="IDX6140"></A> <CODE>menu/1</CODE>, <A NAME="IDX6141"></A> <CODE>canvas/1</CODE>. </UL> <LI><STRONG>Other modules used:</STRONG> <UL> <LI><EM>System library modules:</EM> <A NAME="IDX6142"></A> <CODE>objects/objects_rt</CODE>, <A NAME="IDX6143"></A> <CODE>system</CODE>, <A NAME="IDX6144"></A> <CODE>strings</CODE>, <A NAME="IDX6145"></A> <CODE>lists</CODE>, <A NAME="IDX6146"></A> <CODE>tcltk/tcltk</CODE>, <A NAME="IDX6147"></A> <CODE>tcltk/tcltk_low_level</CODE>, <A NAME="IDX6148"></A> <CODE>aggregates</CODE>. </UL> </UL> </div class="cartouche"> <H2><A NAME="SEC547" HREF="ciao_toc.html#TOC547">Documentation on exports (<CODE>window_class</CODE>)</A></H2> <P> <A NAME="IDX6149"></A> <A NAME="IDX6150"></A> <DL> <DT><span class="define">REGTYPE:</span> <B>widget/1:</B> <DD><A NAME="IDX6151"></A> <P> Each <CODE>Widget</CODE> type is characterized in two ways: first, the form of the create command used to create instances of the type; and second, a set of configuration options for items of that type, which may be used in the create and itemconfigure widget commands. <P> <STRONG>Usage:</STRONG> <CODE>widget(W)</CODE> <UL> <LI><EM>Description:</EM> <CODE>W</CODE> is a reference to one type of the widget widgets. </UL> </DL> <P> <A NAME="IDX6152"></A> <A NAME="IDX6153"></A> <DL> <DT><span class="define">REGTYPE:</span> <B>option/1:</B> <DD><A NAME="IDX6154"></A> <P> <STRONG>Usage:</STRONG> <CODE>option(O)</CODE> <UL> <LI><EM>Description:</EM> <CODE>O</CODE> is <EM>hidden</EM> if the Widget is not visible or <EM>shown</EM> if its visible. </UL> </DL> <P> <A NAME="IDX6155"></A> <A NAME="IDX6156"></A> <DL> <DT><span class="define">REGTYPE:</span> <B>menu/1:</B> <DD><A NAME="IDX6157"></A> <P> <STRONG>Usage:</STRONG> <CODE>menu(M)</CODE> <UL> <LI><EM>Description:</EM> <CODE>M</CODE> is a reference to one type of the menu. </UL> </DL> <P> <A NAME="IDX6158"></A> <A NAME="IDX6159"></A> <DL> <DT><span class="define">REGTYPE:</span> <B>canvas/1:</B> <DD><A NAME="IDX6160"></A> <P> <STRONG>Usage:</STRONG> <CODE>canvas(C)</CODE> <UL> <LI><EM>Description:</EM> <CODE>C</CODE> is a reference to one type of the canvas. </UL> </DL> <P> <A NAME="IDX6161"></A> <A NAME="IDX6162"></A> <DL> <DT><span class="define">PREDICATE:</span> <B>window_class/0:</B> <DD><A NAME="IDX6163"></A> <P> <STRONG>Usage:</STRONG> <UL> <LI><EM>Description:</EM> Creates a new interpreter, asserting the predicate <EM>interp(I)</EM>, and the widgets, menus and canvases objects. </UL> </DL> <P> <A NAME="IDX6164"></A> <A NAME="IDX6165"></A> <DL> <DT><span class="define">PREDICATE:</span> <B>window_class/3:</B> <DD><A NAME="IDX6166"></A> <P> <STRONG>Usage:</STRONG> <CODE>window_class(+WidgetList, +MenusList, +CanvasList)</CODE> <UL> <LI><EM>Description:</EM> Adds the widgets, menus and canvases in the list to the window object. <LI><EM>Call and exit should be <EM>compatible</EM> with:</EM> <CODE>+WidgetList</CODE> is a list. (<CODE>basic_props:list/1</CODE>) <CODE>+MenusList</CODE> is a list. (<CODE>basic_props:list/1</CODE>) <CODE>+CanvasList</CODE> is a list. (<CODE>basic_props:list/1</CODE>) </UL> </DL> <P> <A NAME="IDX6167"></A> <A NAME="IDX6168"></A> <DL> <DT><span class="define">PREDICATE:</span> <B>destructor/0:</B> <DD><A NAME="IDX6169"></A> <P> <STRONG>Usage:</STRONG> <UL> <LI><EM>Description:</EM> Deletes the widgets, menus and canvases of the window object and the window object. </UL> </DL> <P> <A NAME="IDX6170"></A> <A NAME="IDX6171"></A> <DL> <DT><span class="define">PREDICATE:</span> <B>show/0:</B> <DD><A NAME="IDX6172"></A> <P> <STRONG>Usage:</STRONG> <UL> <LI><EM>Description:</EM> Adds widgets, menus and canvas to the window object. </UL> </DL> <P> <A NAME="IDX6173"></A> <A NAME="IDX6174"></A> <DL> <DT><span class="define">PREDICATE:</span> <B>hide_/0:</B> <DD><A NAME="IDX6175"></A> <P> <STRONG>Usage:</STRONG> <UL> <LI><EM>Description:</EM> Removes widgets, menus and canvas from the window object. </UL> </DL> <P> <A NAME="IDX6176"></A> <A NAME="IDX6177"></A> <DL> <DT><span class="define">PREDICATE:</span> <B>title/1:</B> <DD><A NAME="IDX6178"></A> <P> <STRONG>Usage:</STRONG> <CODE>title(+X)</CODE> <UL> <LI><EM>Description:</EM> <CODE>X</CODE> specifies the title for window. The default window title is the name of the window. <LI><EM>Call and exit should be <EM>compatible</EM> with:</EM> <CODE>+X</CODE> is a string (a list of character codes). (<CODE>basic_props:string/1</CODE>) </UL> </DL> <P> <A NAME="IDX6179"></A> <A NAME="IDX6180"></A> <DL> <DT><span class="define">PREDICATE:</span> <B>maxsize/2:</B> <DD><A NAME="IDX6181"></A> <P> <STRONG>Usage:</STRONG> <CODE>maxsize(+X, +Y)</CODE> <UL> <LI><EM>Description:</EM> <CODE>X</CODE> specifies the maximum width and <CODE>Y</CODE> the maximum height for the window. <LI><EM>Call and exit should be <EM>compatible</EM> with:</EM> <CODE>+X</CODE> is an integer. (<CODE>basic_props:int/1</CODE>) <CODE>+Y</CODE> is an integer. (<CODE>basic_props:int/1</CODE>) </UL> </DL> <P> <A NAME="IDX6182"></A> <A NAME="IDX6183"></A> <DL> <DT><span class="define">PREDICATE:</span> <B>minsize/2:</B> <DD><A NAME="IDX6184"></A> <P> <STRONG>Usage:</STRONG> <CODE>minsize(+X, +Y)</CODE> <UL> <LI><EM>Description:</EM> <CODE>X</CODE> specifies the minimum width and <CODE>Y</CODE> the minimum height for the window. <LI><EM>Call and exit should be <EM>compatible</EM> with:</EM> <CODE>+X</CODE> is an integer. (<CODE>basic_props:int/1</CODE>) <CODE>+Y</CODE> is an integer. (<CODE>basic_props:int/1</CODE>) </UL> </DL> <P> <A NAME="IDX6185"></A> <A NAME="IDX6186"></A> <DL> <DT><span class="define">PREDICATE:</span> <B>withdraw/0:</B> <DD><A NAME="IDX6187"></A> <P> <STRONG>Usage:</STRONG> <UL> <LI><EM>Description:</EM> Arranges for window to be withdrawn from the screen. </UL> </DL> <P> <A NAME="IDX6188"></A> <A NAME="IDX6189"></A> <DL> <DT><span class="define">PREDICATE:</span> <B>event_loop/0:</B> <DD><A NAME="IDX6190"></A> <P> <STRONG>Usage:</STRONG> <UL> <LI><EM>Description:</EM> Waits for a <EM>Tcl/Tk</EM> event. </UL> </DL> <P><HR><P> Go to the <A HREF="ciao_1.html">first</A>, <A HREF="ciao_126.html">previous</A>, <A HREF="ciao_128.html">next</A>, <A HREF="ciao_241.html">last</A> section, <A HREF="ciao_toc.html">table of contents</A>. </BODY> </HTML>
