wxWidgets/include/wx/generic/helphtml.h
Karsten Ballüder afcaf277af Split part of wxExtHelpController into wxHTMLHelpControllerBase to share
the filename lookup and URL handling mechanisms with the soon to be created
gtk-xmhtml based alternative. Added wxLocale support to allow different translated help files to be used. Tested (no changes to application required) under Solaris.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1405 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1999-01-14 13:11:36 +00:00

129 lines
4.3 KiB
C++

/*-*- c++ -*-********************************************************
* helphtml.h - base class for html based help controllers *
* *
* (C) 1999 by Karsten Ballüder (Ballueder@usa.net) *
* *
* $Id$
*******************************************************************/
#ifndef WXXHELPHTML_H
#define WXXHELPHTML_H
#if wxUSE_HELP
#ifdef __GNUG__
# pragma interface "helphtml.h"
#endif
#include "wx/helpbase.h"
/// Name for map file.
#define WXEXTHELP_MAPFILE "wxhelp.map"
/// Path separator.
#define WXEXTHELP_SEPARATOR '/'
/// Maximum line length in map file.
#define WXEXTHELP_BUFLEN 512
/// Character introducing comments/documentation field in map file.
#define WXEXTHELP_COMMENTCHAR ';'
class wxExtHelpMapList;
/**
This class is the base class for all html help implementations.
It requires the name of a directory containing the documentation
and a file mapping numerical Section numbers to relative URLS.
The map file contains two or three fields per line:
numeric_id relative_URL [; comment/documentation]
The numeric_id is the id used to look up the entry in
DisplaySection()/DisplayBlock(). The relative_URL is a filename of
an html file, relative to the help directory. The optional
comment/documentation field (after a ';') is used for keyword
searches, so some meaningful text here does not hurt.
If the documentation itself contains a ';', only the part before
that will be displayed in the listbox, but all of it used for search.
Lines starting with ';' will be ignored.
*/
class wxHTMLHelpControllerBase : public wxHelpControllerBase
{
DECLARE_ABSTRACT_CLASS(wxHTMLHelpControllerBase)
public:
wxHTMLHelpControllerBase(void);
virtual ~wxHTMLHelpControllerBase(void);
/** This must be called to tell the controller where to find the
documentation.
If a locale is set, look in file/localename, i.e.
If passed "/usr/local/myapp/help" and the current wxLocale is
set to be "de", then look in "/usr/local/myapp/help/de/"
first and fall back to "/usr/local/myapp/help" if that
doesn't exist.
@param file - NOT a filename, but a directory name.
@return true on success
*/
virtual bool Initialize(const wxString& dir, int WXUNUSED(server))
{ return Initialize(dir); }
/** This must be called to tell the controller where to find the
documentation.
If a locale is set, look in file/localename, i.e.
If passed "/usr/local/myapp/help" and the current wxLocale is
set to be "de", then look in "/usr/local/myapp/help/de/"
first and fall back to "/usr/local/myapp/help" if that
doesn't exist.
@param dir - directory name where to fine the help files
@return true on success
*/
virtual bool Initialize(const wxString& dir);
/** If file is "", reloads file given in Initialize.
@file Name of help directory.
@return true on success
*/
virtual bool LoadFile(const wxString& file = "");
/** Display list of all help entries.
@return true on success
*/
virtual bool DisplayContents(void);
/** Display help for id sectionNo.
@return true on success
*/
virtual bool DisplaySection(int sectionNo);
/** Display help for id sectionNo -- identical with DisplaySection().
@return true on success
*/
virtual bool DisplayBlock(long blockNo);
/** Search comment/documentation fields in map file and present a
list to chose from.
@key k string to search for, empty string will list all entries
@return true on success
*/
virtual bool KeywordSearch(const wxString& k);
/// does nothing
virtual bool Quit(void);
/// does nothing
virtual void OnQuit(void);
/// Call the browser using a relative URL.
virtual bool DisplayHelp(wxString const &) = 0;
protected:
/// Filename of currently active map file.
wxString m_MapFile;
/// How many entries do we have in the map file?
int m_NumOfEntries;
/// A list containing all id,url,documentation triples.
wxList *m_MapList;
/// Deletes the list and all objects.
void DeleteList(void);
};
#endif
#endif