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helphtml.h
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C/C++ Source or Header
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2002-08-31
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6KB
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153 lines
/*-*- c++ -*-********************************************************
* helphtml.h - base class for html based help controllers *
* *
* (C) 1999 by Karsten Ballⁿder (Ballueder@usa.net) *
* *
* $Id: helphtml.h,v 1.12 2002/08/31 11:29:12 GD Exp $
*******************************************************************/
#ifndef __WX_HELPHTML_H_
#define __WX_HELPHTML_H_
#if wxUSE_HELP
#if defined(__GNUG__) && !defined(__APPLE__)
# pragma interface "helphtml.h"
#endif
#include "wx/helpbase.h"
#include "wx/frame.h"
/// Path separator.
#ifdef __WXMSW__
#define WXEXTHELP_SEPARATOR _T('\\')
#elif defined(__WXMAC__)
#define WXEXTHELP_SEPARATOR _T(':')
#else
#define WXEXTHELP_SEPARATOR _T('/')
#endif
class WXDLLEXPORT 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 WXDLLEXPORT 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 DisplaySection(const wxString& section);
/** Display help for URL (using DisplayHelp) or keyword (using KeywordSearch)
@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(const wxString &) = 0;
/// Allows one to override the default settings for the help frame.
virtual void SetFrameParameters(const wxString& WXUNUSED(title),
const wxSize& WXUNUSED(size),
const wxPoint& WXUNUSED(pos) = wxDefaultPosition,
bool WXUNUSED(newFrameEachTime) = FALSE)
{
// does nothing by default
}
/// Obtains the latest settings used by the help frame and the help
/// frame.
virtual wxFrame *GetFrameParameters(wxSize *WXUNUSED(size) = NULL,
wxPoint *WXUNUSED(pos) = NULL,
bool *WXUNUSED(newFrameEachTime) = NULL)
{
return (wxFrame*) NULL;// does nothing by default
}
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 // wxUSE_HELP
#endif // __WX_HELPHTML_H_