diff options
Diffstat (limited to 'documentation/Fl_Help_View.html')
| -rw-r--r-- | documentation/Fl_Help_View.html | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/documentation/Fl_Help_View.html b/documentation/Fl_Help_View.html index 1fb420505..47e5aca2e 100644 --- a/documentation/Fl_Help_View.html +++ b/documentation/Fl_Help_View.html @@ -69,11 +69,23 @@ in the buffer. followed or a file is loaded (via <CODE>Fl_Help_View::load()</CODE>) that requires a different file or path. The callback function receives a pointer to the -<CODE>Fl_Help_View</CODE> widget and the full pathname for the -file in question and must return a pathname that can be opened -as a local file. This can also be used to retrieve remote or -virtual documents, returning the temporary file that contains -the actual data.</P> +<CODE>Fl_Help_View</CODE> widget and the URI or full pathname +for the file in question. It must return a pathname that can be +opened as a local file or <TT>NULL</TT>:</P> + +<UL><PRE> +const char *fn(Fl_Widget *w, const char *uri); +</PRE></UL> + +<P>The link function can be used to retrieve remote or virtual +documents, returning a temporary file that contains the actual +data. If the link function returns <TT>NULL</TT>, the value of +the <TT>Fl_Help_View</TT> widget will remain unchanged.</P> + +<P>If the link callback cannot handle the URI scheme, it should +return the <TT>uri</TT> value unchanged or set the <A +HREF="Fl_Help_View.value"><TT>value()</TT></A> of the widget +before returning <TT>NULL</TT>.</P> <H4><A NAME="Fl_Help_View.load">int load(const char *f)</A></H4> |