+ /**
+ * Redraw the GUI picking up new GUI colors.
+ */
+ virtual void redraw ();
+
+ /**
+ * Creates a new dialog box, using the same property format as the
+ * gui/dialogs configuration files. Does not display the
+ * resulting dialog. If a pre-existing dialog of the same name
+ * exists, it will be deleted. The node argument will be stored
+ * in the GUI subsystem using SGPropertNode_ptr reference counting.
+ * It should not be deleted by user code.
+ *
+ * @param node A property node containing the dialog definition
+ */
+ virtual void newDialog (SGPropertyNode* node);
+
+ /**
+ * Display a dialog box.
+ *
+ * At initialization time, the subsystem reads all of the XML
+ * configuration files from the directory $FG_ROOT/gui/dialogs/.
+ * The configuration for each dialog specifies a name, and this
+ * method invokes the dialog with the name specified (if it
+ * exists).
+ *
+ * @param name The name of the dialog box.
+ * @return true if the dialog exists, false otherwise.
+ */
+ virtual bool showDialog (const std::string &name);
+
+
+ /**
+ * Close the currenty active dialog. This function is intended to
+ * be called from code (pui callbacks, for instance) that registers
+ * its dialog object as active via setActiveDialog(). Other
+ * user-level code should use the closeDialog(name) API.
+ *
+ * @return true if a dialog was active, false otherwise
+ */
+ virtual bool closeActiveDialog ();
+
+ /**
+ * Close a named dialog, if it is open.
+ *
+ * @param name The name of the dialog box.
+ * @return true if the dialog was active, false otherwise.
+ */
+ virtual bool closeDialog (const std::string &name);
+
+ /**
+ * Get dialog property tree's root node.
+ * @param name The name of the dialog box.
+ * @return node pointer if the dialog was found, zero otherwise.
+ */
+ virtual SGPropertyNode_ptr getDialogProperties (const std::string &name);
+
+ /**
+ * Return a pointer to the current menubar.
+ */
+ virtual FGMenuBar * getMenuBar ();
+
+ /**
+ * Ignore this method.
+ *
+ * This method is for internal use only, but it has to be public
+ * so that a non-class callback can see it.
+ */
+ virtual void setActiveDialog (FGDialog * dialog);
+
+ /**
+ * Get the dialog currently active, if any.
+ *
+ * @return The active dialog, or 0 if none is active.
+ */
+ virtual FGDialog * getActiveDialog ();
+
+
+ /**
+ * Get the named dialog if active.
+ *
+ * @return The named dialog, or 0 if it isn't active.
+ */
+ virtual FGDialog * getDialog (const std::string &name);
+
+
+ virtual FGColor *getColor (const char * name) const {
+ _citt_t it = _colors.find(name);
+ return (it != _colors.end()) ? it->second : NULL;
+ }
+ virtual FGColor *getColor (const std::string &name) const {
+ _citt_t it = _colors.find(name.c_str());
+ return (it != _colors.end()) ? it->second : NULL;
+ }
+
+ virtual puFont *getDefaultFont() { return _font; }
+
+
+protected:
+
+ /**
+ * Test if the menubar is visible.
+ *
+ * This method exists only for binding.
+ */
+ virtual bool getMenuBarVisible () const;
+
+ /**
+ * Show or hide the menubar.
+ *
+ * This method exists only for binding.
+ */
+ virtual void setMenuBarVisible (bool visible);
+
+ virtual void setStyle ();
+ virtual void setupFont (SGPropertyNode *);
+
+ /**
+ * Used by reinit() and redraw() to close all dialogs and to apply
+ * current GUI colors. If "reload" is false, reopens all dialogs.
+ * Otherwise reloads all XML dialog files from disk and reopens all
+ * but Nasal * generated dialogs, omitting dynamic widgets. (This
+ * is only useful for GUI development.)
+ */
+ virtual void reset (bool reload);