2001-09-29 18:38:59 +04:00
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<H2>class Fl_Help_View</H2>
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<HR>
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<H3>Class Hierarchy</H3>
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<UL><PRE>
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Fl_Group
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+----<B>Fl_Help_View</B>
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</PRE></UL>
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<H3>Include Files</H3>
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<UL><PRE>
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#include "Fl_Help_View.h"
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</PRE></UL>
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<H3>Description</H3>
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<P>The <CODE>Fl_Help_View</CODE> widget displays HTML text. Most HTML 2.0
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elements are supported, as well as a primitive implementation of tables.
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GIF, JPEG, and PNG images are displayed inline.
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<H3>Methods</H3>
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<UL>
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<LI><A HREF="#Fl_Help_View.Fl_Help_View">Fl_Help_View</A>
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<LI><A HREF="#Fl_Help_View.~Fl_Help_View">~Fl_Help_View</A>
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<LI><A HREF="#Fl_Help_View.directory">directory</A>
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<LI><A HREF="#Fl_Help_View.filename">filename</A>
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<LI><A HREF="#Fl_Help_View.link">link</A>
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<LI><A HREF="#Fl_Help_View.load">load</A>
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<LI><A HREF="#Fl_Help_View.size">size</A>
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<LI><A HREF="#Fl_Help_View.textcolor">textcolor</A>
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<LI><A HREF="#Fl_Help_View.textfont">textfont</A>
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<LI><A HREF="#Fl_Help_View.textsize">textsize</A>
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<LI><A HREF="#Fl_Help_View.title">title</A>
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<LI><A HREF="#Fl_Help_View.topline">topline</A>
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<LI><A HREF="#Fl_Help_View.value">value</A>
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</UL>
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<H4><A NAME="Fl_Help_View.Fl_Help_View">Fl_Help_View(int xx, int yy, int ww, int hh, const char *l = 0)</A></H4>
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<P>The constructor creates the <CODE>Fl_Help_View</CODE> widget at the specified
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position and size.
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<H4><A NAME="Fl_Help_View.~Fl_Help_View">~Fl_Help_View()</A></H4>
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<P>The destructor destroys the widget and frees all memory that has been
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allocated for the current file.
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<H4><A NAME="Fl_Help_View.directory">const char *directory() const</A></H4>
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<P>This method returns the current directory (base) path for the file
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in the buffer.
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<H4><A NAME="Fl_Help_View.filename">const char *filename() const</A></H4>
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<P>This method returns the current filename for the text in the buffer.
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<H4><A NAME="Fl_Help_View.link">void link(Fl_Help_Func *fn)</A></H4>
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<P>This method assigns a callback function to use when a link is
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2001-10-27 07:29:25 +04:00
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followed or a file is loaded (via
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<CODE>Fl_Help_View::load()</CODE>) that requires a different
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file or path. The callback function receives a pointer to the
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<CODE>Fl_Help_View</CODE> widget and the full pathname for the
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file in question and must return a pathname that can be opened
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as a local file. This can also be used to retrieve remote or
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virtual documents, returning the temporary file that contains
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the actual data.</P>
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2001-09-29 18:38:59 +04:00
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<H4><A NAME="Fl_Help_View.load">int load(const char *f)</A></H4>
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<P>This method loads the specified file or URL.
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<H4><A NAME="Fl_Help_View.size">int size() const</A></H4>
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<P>This method returns the length of the buffer text in pixels.
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<H4><A NAME="Fl_Help_View.textcolor">void textcolor(Fl_Color c)<BR>
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Fl_Color textcolor() const</A></H4>
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<P>The first form sets the default text color. The second returns
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the current default text color.
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<H4><A NAME="Fl_Help_View.textfont">void textfont(uchar f)<BR>
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uchar textfont() const</A></H4>
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<P>The first form sets the default text font. The second returns
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the current default text font.
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<H4><A NAME="Fl_Help_View.textsize">void textsize(uchar s)<BR>
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uchar textsize() const</A></H4>
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<P>The first form sets the default text size. The second returns
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the current default text size.
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<H4><A NAME="Fl_Help_View.title">const char *title()</A></H4>
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<P>This method returns the current document title, or NULL if there
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is no title.
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<H4><A NAME="Fl_Help_View.topline">void topline(const char *n)<BR>
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void topline(int)<BR>
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int topline() const</A></H4>
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<P>The first two forms scroll the text to the indicated position, either
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with a named destination or by pixel line.
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<P>The second form returns the current top line in pixels.
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<H4><A NAME="Fl_Help_View.value">void value(const char *v)<BR>
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const char *value() const</A></H4>
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<P>The first form sets the current buffer to the string provided and
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reformats the text. The second form returns the current buffer contents.
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</BODY>
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</HTML>
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