/*-*- c++ -*-********************************************************
- * exthlp.h - an external help controller for wxWindows *
+ * helpext.h - an external help controller for wxWidgets *
* *
* (C) 1998 by Karsten Ballüder (Ballueder@usa.net) *
+ * License: wxWindows licence *
* *
* $Id$
*******************************************************************/
-#ifndef WXXHELP_H
-#define WXXHELP_H
-#if wxUSE_HELP
+#ifndef __WX_HELPEXT_H_
+#define __WX_HELPEXT_H_
-#ifdef __GNUG__
-# pragma interface "wxexthlp.h"
-#endif
+#if wxUSE_HELP
#include "wx/helpbase.h"
-/// Name for map file.
-#define WXEXTHELP_MAPFILE "wxhelp.map"
-/// Path separator.
-#define WXEXTHELP_SEPARATOR '/'
-#ifndef WXEXTHELP_DEFAULTBROWSER
-/// Default browser name.
-# define WXEXTHELP_DEFAULTBROWSER "netscape"
-/// Is default browse a variant of netscape?
-# define WXEXTHELP_DEFAULTBROWSER_IS_NETSCAPE true
-#endif
-/// Name of environment variable to set help browser.
-#define WXEXTHELP_ENVVAR_BROWSER "WX_HELPBROWSER"
-/// Is browser a netscape browser?
-#define WXEXTHELP_ENVVAR_BROWSERISNETSCAPE "WX_HELPBROWSER_NS"
-/// 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 implements help via an external browser.
It requires the name of a directory containing the documentation
Lines starting with ';' will be ignored.
*/
-class wxExtHelpController : public wxHelpControllerBase
-{
-DECLARE_CLASS(wxExtHelpController)
- public:
- wxExtHelpController(void);
- virtual ~wxExtHelpController(void);
+class WXDLLIMPEXP_ADV wxExtHelpController : public wxHelpControllerBase
+{
+public:
+ wxExtHelpController(wxWindow* parentWindow = NULL);
+ virtual ~wxExtHelpController();
+
+ /** Tell it which browser to use.
+ The Netscape support will check whether Netscape is already
+ running (by looking at the .netscape/lock file in the user's
+ home directory) and tell it to load the page into the existing
+ window.
+ @param browsername The command to call a browser/html viewer.
+ @param isNetscape Set this to true if the browser is some variant of Netscape.
+ */
+ void SetBrowser(const wxString& browsername = wxEmptyString,
+ bool isNetscape = false);
+
+ // Set viewer: new name for SetBrowser
+ virtual void SetViewer(const wxString& viewer = wxEmptyString,
+ long flags = wxHELP_NETSCAPE);
/** 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& file, int WXUNUSED(server))
- { return Initialize(file); }
-
+ 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.
- @param file - NOT a filename, but a directory name.
+ 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& file);
-
+ 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 = "");
+ virtual bool LoadFile(const wxString& file = wxEmptyString);
/** Display list of all help entries.
@return true on success
/** 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);
+ virtual bool KeywordSearch(const wxString& k,
+ wxHelpSearchMode mode = wxHELP_SEARCH_ALL);
/// does nothing
virtual bool Quit(void);
/// does nothing
virtual void OnQuit(void);
- /** Tell it which browser to use.
- The Netscape support will check whether Netscape is already
- running (by looking at the .netscape/lock file in the user's
- home directory) and tell it to load the page into the existing
- window.
- @param browsername The command to call a browser/html viewer.
- @param isNetscape Set this to TRUE if the browser is some variant of Netscape.
- */
- void SetBrowser(wxString const & browsername = WXEXTHELP_DEFAULTBROWSER,
- bool isNetscape = WXEXTHELP_DEFAULTBROWSER_IS_NETSCAPE);
- private:
+ /// Call the browser using a relative URL.
+ virtual bool DisplayHelp(const wxString &) ;
+
+ /// 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;
+ wxString m_helpDir;
/// How many entries do we have in the map file?
int m_NumOfEntries;
/// A list containing all id,url,documentation triples.
- wxExtHelpMapList *m_MapList;
+ wxList *m_MapList;
+
+private:
+ // parse a single line of the map file (called by LoadFile())
+ //
+ // return true if the line was valid or false otherwise
+ bool ParseMapFileLine(const wxString& line);
+
+ /// Deletes the list and all objects.
+ void DeleteList(void);
+
+
/// How to call the html viewer.
wxString m_BrowserName;
/// Is the viewer a variant of netscape?
bool m_BrowserIsNetscape;
- /// Call the browser using a relative URL.
- bool CallBrowser(wxString const &);
+
+ DECLARE_CLASS(wxExtHelpController)
};
-#endif
-#endif
+#endif // wxUSE_HELP
+
+#endif // __WX_HELPEXT_H_
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