+ // Display the given section
+ virtual bool DisplaySection(int sectionNo) = 0;
+
+ // Display the section using a context id
+ virtual bool DisplayContextPopup(int WXUNUSED(contextId)) { return FALSE; };
+
+ // Display the text in a popup, if possible
+ virtual bool DisplayTextPopup(const wxString& WXUNUSED(text), const wxPoint& WXUNUSED(pos)) { return FALSE; };
+
+ // By default, uses KeywordSection to display a topic. Implementations
+ // may override this for more specific behaviour.
+ virtual bool DisplaySection(const wxString& section) { return KeywordSearch(section); };
+ virtual bool DisplayBlock(long blockNo) = 0;
+ virtual bool KeywordSearch(const wxString& k) = 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
+ }
+
+ virtual bool Quit(void) = 0;
+ virtual void OnQuit(void) {};
+};