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