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<HTML>
<HEAD>
<TITLE>HelpDialog Widget for FLTK</TITLE>
<STYLE>H1 { font-family: sans-serif; font-size: 36pt }
H2 { font-family: sans-serif }
H3 { font-family: monospace }
P { margin-left: 2em }
UL { margin-left: 2em }
CODE { font-weight: bold }</STYLE>
</HEAD>
<BODY BGCOLOR="#ccccff">
<H1 ALIGN=CENTER>HelpDialog Widget for FLTK</H1>
<P ALIGN=CENTER>Version 1.0 - October 12, 1999 -
<A HREF="mailto:mike@easysw.com">Michael Sweet</A>
<H2>Introduction</H2>
<P>The <CODE>HelpDialog</CODE> widget displays HTML files and allows the user
to click on links to do navigation.
<H2><A HREF="HelpDialog.gif">
<IMG SRC="HelpDialog.gif" ALIGN="RIGHT" WIDTH="273" HEIGHT="214"></A>
Source Code</H2>
<P>The source code is provided under the terms of the GNU Library General
Public License and is used to provide on-line help for the
<A HREF="http://www.easysw.com/printpro">ESP Print Pro</A> software.
<P>You can download the source for the current version (1.0) in several
formats:
<UL>
<LI><A HREF="HelpDialog-1.0.tar.gz">HelpDialog-1.0.tar.gz (34k)</A>
<LI><A HREF="HelpDialog-1.0.zip">HelpDialog-1.0.zip (35k)</A>
</UL>
<H2>Overview</H2>
<P>The <code>HelpDialog</code> widget is based upon the <CODE>HelpView</CODE>
widget which supports basic HTML elements including tables. Images and text
alignment are not supported at this time, although the hooks are there for
the alignment stuff.
<P>To use the <CODE>HelpDialog</CODE> widget in your program do:
<UL><PRE>
#include "HelpDialog.h"
...
{
HelpView help();
help.load("filename.html");
help.show();
while (help.visible())
Fl::wait();
}
</PRE></UL>
<H2>Methods</H2>
<UL>
<LI><CODE><A HREF="#HelpDialog">HelpDialog</A></CODE>
<LI><CODE><A HREF="#hide">hide</A></CODE>
<LI><CODE><A HREF="#load">load</A></CODE>
<LI><CODE><A HREF="#show">show</A></CODE>
<LI><CODE><A HREF="#topline">topline</A></CODE>
<LI><CODE><A HREF="#visible">visible</A></CODE>
</UL>
<H3><A NAME="HelpDialog">HelpDialog::HelpDialog()</A></H3>
<P>The constructor creates the dialog pictured above.
<H3><A NAME="hide">void HelpDialog::hide()</A></H3>
<P>Hides the <code>HelpDialog</code> window.
<H3><A NAME="load">void HelpDialog::load(const char *f)</A></H3>
<P>Loads the specified HTML file into the <CODE>HelpView</CODE> widget.
The filename can also contain a target name ("filename.html#target").
<H3><A NAME="show">void HelpDialog::show()</A></H3>
<P>Shows the <code>HelpDialog</code> window.
<H3><A NAME="topline">void HelpDialog::topline(const char *n)<BR>
void HelpDialog::topline(int n)</A></H3>
<P>Sets the top line in the <CODE>HelpView</CODE> widget to the named or
numbered line.
<H3><A NAME="visible">int HelpDialog::visible()</A></H3>
<P>Returns 1 if the <code>HelpDialog</code> window is visible.
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