+ // create a new, port specific, instance of the event loop used by wxApp
+ virtual wxEventLoopBase *CreateEventLoop() = 0;
+
+#if wxUSE_TIMER
+ // return platform and toolkit dependent wxTimer implementation
+ virtual wxTimerImpl *CreateTimerImpl(wxTimer *timer) = 0;
+#endif
+
+#if wxUSE_THREADS
+ virtual void MutexGuiEnter();
+ virtual void MutexGuiLeave();
+#endif
+
+ // functions returning port-specific information
+ // ------------------------------------------------------------------------
+
+ // return information about the (native) toolkit currently used and its
+ // runtime (not compile-time) version.
+ // returns wxPORT_BASE for console applications and one of the remaining
+ // wxPORT_* values for GUI applications.
+ virtual wxPortId GetToolkitVersion(int *majVer = NULL, int *minVer = NULL) const = 0;
+
+ // return true if the port is using wxUniversal for the GUI, false if not
+ virtual bool IsUsingUniversalWidgets() const = 0;
+
+ // return the name of the Desktop Environment such as
+ // "KDE" or "GNOME". May return an empty string.
+ virtual wxString GetDesktopEnvironment() const = 0;
+
+ // returns a short string to identify the block of the standard command
+ // line options parsed automatically by current port: if this string is
+ // empty, there are no such options, otherwise the function also fills
+ // passed arrays with the names and the descriptions of those options.
+ virtual wxString GetStandardCmdLineOptions(wxArrayString& names,
+ wxArrayString& desc) const
+ {
+ wxUnusedVar(names);
+ wxUnusedVar(desc);
+
+ return wxEmptyString;
+ }
+
+
+protected:
+#if wxUSE_STACKWALKER
+ // utility function: returns the stack frame as a plain wxString
+ virtual wxString GetAssertStackTrace();
+#endif