--- /dev/null
+/**
+ * @file GenericPluginUI.h
+ * Declares the GenericPluginUI class.
+ * @ingroup generic-ui
+ */
+
+/*
+ * Copyright 2012 Joel Baxter
+ *
+ * This file is part of MeshTex.
+ *
+ * MeshTex is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * MeshTex is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MeshTex. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#if !defined(INCLUDED_GENERICPLUGINUI_H)
+#define INCLUDED_GENERICPLUGINUI_H
+
+#include <vector>
+#include <gdk/gdk.h>
+#include <glib.h>
+
+#include "GenericMainMenu.h"
+#include "GenericDialog.h"
+
+#include "qerplugin.h"
+#include "generic/referencecounted.h"
+
+/**
+ * Framework for a manager of a command menu and dialog windows. It is
+ * responsible for:
+ * - holding a reference on those objects for lifecycle management
+ * - providing lookup facilities for those objects
+ * - mapping GTK+ event/signal callbacks into method invocations on
+ * the dialog objects
+ * - providing automatic handling of widgets that should be active or
+ * inactive based on the active state of other widgets
+ * - providing utility functions for generating message popups
+ *
+ * A subclass should handle the creation and registration of the UI objects.
+ *
+ * @ingroup generic-ui
+ */
+class GenericPluginUI
+{
+protected: // protected methods
+
+ /// @name Lifecycle
+ //@{
+ GenericPluginUI();
+ virtual ~GenericPluginUI();
+ //@}
+
+private: // private methods
+
+ /// @name Unimplemented to prevent copy/assignment
+ //@{
+ GenericPluginUI(const GenericPluginUI&);
+ const GenericPluginUI& operator=(const GenericPluginUI&);
+ //@}
+
+public: // public types
+
+ /**
+ * Type for GTK+ event callbacks. The callback takes a GtkWidget* argument
+ * (widget generating the event), a GdkEvent* argument (the event), and a
+ * gpointer argument (the callback ID); it returns gint (success as TRUE or
+ * FALSE).
+ */
+ typedef Callback3<GtkWidget *, GdkEvent *, gpointer, gint> DialogEventCallback;
+
+ /**
+ * Type for GTK+ signal callbacks. The callback takes a GtkWidget* argument
+ * (widget generating the signal) and a gpointer argument (the callback data);
+ * it has no return value.
+ */
+ typedef Callback2<GtkWidget *, gpointer, void> DialogSignalCallback;
+
+ /**
+ * An instance of this class can be used as a
+ * GenericPluginUI::DialogEventCallback, in situations where the callback is
+ * a method to be invoked on a target object. When invoking this constructor,
+ * the target object is the constructor argument, and the target object class
+ * and method are template parameters. The target object's method must have
+ * an appropriate signature for DialogEventCallback: one GtkWidget* argument,
+ * one GdkEvent* argument, one gpointer argument, gint return.
+ */
+ template<typename ObjectClass, gint (ObjectClass::*member)(GtkWidget *, GdkEvent*, gpointer)>
+ class DialogEventCallbackMethod : public BindFirstOpaque3<Member3<ObjectClass, GtkWidget *, GdkEvent*, gpointer, gint, member> >
+ {
+ public:
+ /**
+ * Constructor.
+ *
+ * @param object The object on which to invoke the callback method.
+ */
+ DialogEventCallbackMethod(ObjectClass& object) :
+ BindFirstOpaque3<Member3<ObjectClass, GtkWidget *, GdkEvent *, gpointer, gint, member> >(object) {}
+ };
+
+ /**
+ * An instance of this class can be used as a
+ * GenericPluginUI::DialogSignalCallback, in situations where the callback is
+ * a method to be invoked on a target object. When invoking this constructor,
+ * the target object is the constructor argument, and the target object class
+ * and method are template parameters. The target object's method must have
+ * an appropriate signature for DialogSignalCallback: one GtkWidget* argument,
+ * one gpointer argument, void return.
+ */
+ template<typename ObjectClass, void (ObjectClass::*member)(GtkWidget *, gpointer)>
+ class DialogSignalCallbackMethod : public BindFirstOpaque2<Member2<ObjectClass, GtkWidget *, gpointer, void, member> >
+ {
+ public:
+ /**
+ * Constructor.
+ *
+ * @param object The object on which to invoke the callback method.
+ */
+ DialogSignalCallbackMethod(ObjectClass& object) :
+ BindFirstOpaque2<Member2<ObjectClass, GtkWidget *, gpointer, void, member> >(object) {}
+ };
+
+public: // public methods
+
+ /// @name Setup
+ //@{
+ void RegisterMainMenu(SmartPointer<GenericMainMenu>& mainMenu);
+ void RegisterDialog(SmartPointer<GenericDialog>& dialog);
+ void SetWindow(GtkWidget *window);
+ //@}
+ /// @name Lookup
+ //@{
+ GenericMainMenu *MainMenu();
+ GenericDialog *Dialog(const std::string& key);
+ //@}
+ /// @name Event/signal dispatch
+ //@{
+ static gint DialogEventCallbackDispatch(GtkWidget *widget,
+ GdkEvent* event,
+ gpointer data);
+ static void DialogSignalCallbackDispatch(GtkWidget *widget,
+ gpointer data);
+ gpointer RegisterDialogEventCallback(GtkWidget *widget,
+ const gchar *name,
+ const DialogEventCallback& callback);
+ gpointer RegisterDialogSignalCallback(GtkWidget *widget,
+ const gchar *name,
+ const DialogSignalCallback& callback);
+ //@}
+ /// @name Widget dependence
+ //@{
+ void RegisterWidgetDependence(GtkWidget *controller,
+ GtkWidget *controllee);
+ void RegisterWidgetAntiDependence(GtkWidget *controller,
+ GtkWidget *controllee);
+ void WidgetControlCallback(GtkWidget *widget,
+ gpointer callbackID);
+ //@}
+ /// @name Message popups
+ //@{
+ static void ErrorReportDialog(const char *title,
+ const char *message);
+ static void WarningReportDialog(const char *title,
+ const char *message);
+ static void InfoReportDialog(const char *title,
+ const char *message);
+ //@}
+
+private: // private types
+
+ /**
+ * Type for a map between string and reference-counted dialog window.
+ */
+ typedef std::map<std::string, SmartPointer<GenericDialog> > DialogMap;
+
+ /**
+ * Type for a map between gpointer (for callback ID) and event callback.
+ */
+ typedef std::map<gpointer, DialogEventCallback> DialogEventCallbackMap;
+
+ /**
+ * Type for a map between gpointer (for callback ID) and signal callback.
+ */
+ typedef std::map<gpointer, DialogSignalCallback> DialogSignalCallbackMap;
+
+ /**
+ * Type for a map between a widget and a vector of widgets.
+ */
+ typedef std::map<GtkWidget *, std::vector<GtkWidget *> > WidgetDependenceMap;
+
+private: // private member vars
+
+ /**
+ * The parent window.
+ */
+ GtkWidget *_window;
+
+ /**
+ * Pointer to a reference-counted handle on the main menu object.
+ */
+ SmartPointer<GenericMainMenu> *_mainMenu;
+
+ /**
+ * Next ID to use when registering an event or signal callback. Starts at 1;
+ * 0 is reserved to mean invalid.
+ */
+ unsigned _callbackID;
+
+ /**
+ * Callback to implement widget-active dependences.
+ */
+ const DialogSignalCallbackMethod<GenericPluginUI, &GenericPluginUI::WidgetControlCallback>
+ _widgetControlCallback;
+
+ /**
+ * Associations between keys and dialog windows.
+ */
+ DialogMap _dialogMap;
+
+ /**
+ * Associations between callback IDs and event callbacks.
+ */
+ DialogEventCallbackMap _dialogEventCallbackMap;
+
+ /**
+ * Associations between callback IDs and signal callbacks.
+ */
+ DialogSignalCallbackMap _dialogSignalCallbackMap;
+
+ /**
+ * Associations between controller and controllee widgets for all dependences
+ * and anti-dependences.
+ */
+ WidgetDependenceMap _widgetControlMap;
+
+ /**
+ * Associations between controller and controllee widgets for dependences
+ * only.
+ */
+ WidgetDependenceMap _widgetControlledByMap;
+
+ /**
+ * Associations between controller and controllee widgets for anti-
+ * dependences only.
+ */
+ WidgetDependenceMap _widgetAntiControlledByMap;
+};
+
+
+/**
+ * Get the singleton instance of the UI manager.
+ *
+ * @internal
+ * This function is not implemented in the GenericPluginUI.cpp file. It must
+ * be implemented somewhere, because it is invoked from various places even
+ * within the generic UI code. The implementation of this function should
+ * return a reference to the singleton instance of a GenericPluginUI subclass.
+ * @endinternal
+ *
+ * @return Reference to a singleton that implements GenericPluginUI.
+ *
+ * @relates GenericPluginUI
+ */
+GenericPluginUI& UIInstance();
+
+#endif // #if !defined(INCLUDED_GENERICPLUGINUI_H)