Platform: disable copy/move of Application classes.

They are something like singletons (or they expect that behavior
internally), moreover some code might hold pointer to them, thus
movement is not desired.

src/Platform/AbstractXApplication.h

@@ -73,6 +73,18 @@ class AbstractXApplication {
         class MouseEvent;
         class MouseMoveEvent;
 
+        /** @brief Copying is not allowed */
+        AbstractXApplication(const AbstractXApplication&) = delete;
+
+        /** @brief Moving is not allowed */
+        AbstractXApplication(AbstractXApplication&&) = delete;
+
+        /** @brief Copying is not allowed */
+        AbstractXApplication& operator=(const AbstractXApplication&) = delete;
+
+        /** @brief Moving is not allowed */
+        AbstractXApplication& operator=(AbstractXApplication&&) = delete;
+
         /**
          * @brief Execute main loop
          * @return Value for returning from `main()`.

src/Platform/GlutApplication.h

@@ -102,6 +102,18 @@ class GlutApplication {
         /** @copydoc Sdl2Application::Sdl2Application(const Arguments&, std::nullptr_t) */
         explicit GlutApplication(const Arguments& arguments, std::nullptr_t);
 
+        /** @brief Copying is not allowed */
+        GlutApplication(const GlutApplication&) = delete;
+
+        /** @brief Moving is not allowed */
+        GlutApplication(GlutApplication&&) = delete;
+
+        /** @brief Copying is not allowed */
+        GlutApplication& operator=(const GlutApplication&) = delete;
+
+        /** @brief Moving is not allowed */
+        GlutApplication& operator=(GlutApplication&&) = delete;
+
         /** @copydoc Sdl2Application::exec() */
         int exec() {
             glutMainLoop();

src/Platform/NaClApplication.h

@@ -160,6 +160,18 @@ class NaClApplication: public pp::Instance, public pp::Graphics3DClient, public
         /** @copydoc Sdl2Application::Sdl2Application(const Arguments&, std::nullptr_t) */
         explicit NaClApplication(const Arguments& arguments, std::nullptr_t);
 
+        /** @brief Copying is not allowed */
+        NaClApplication(const NaClApplication&) = delete;
+
+        /** @brief Moving is not allowed */
+        NaClApplication(NaClApplication&&) = delete;
+
+        /** @brief Copying is not allowed */
+        NaClApplication& operator=(const NaClApplication&) = delete;
+
+        /** @brief Moving is not allowed */
+        NaClApplication& operator=(NaClApplication&&) = delete;
+
         /** @brief Whether the application runs fullscreen */
         bool isFullscreen();
 

src/Platform/Sdl2Application.h

@@ -161,6 +161,18 @@ class Sdl2Application {
          */
         explicit Sdl2Application(const Arguments& arguments, std::nullptr_t);
 
+        /** @brief Copying is not allowed */
+        Sdl2Application(const Sdl2Application&) = delete;
+
+        /** @brief Moving is not allowed */
+        Sdl2Application(Sdl2Application&&) = delete;
+
+        /** @brief Copying is not allowed */
+        Sdl2Application& operator=(const Sdl2Application&) = delete;
+
+        /** @brief Moving is not allowed */
+        Sdl2Application& operator=(Sdl2Application&&) = delete;
+
         /**
          * @brief Execute main loop
          * @return Value for returning from `main()`.

src/Platform/WindowlessGlxApplication.h

@@ -95,6 +95,18 @@ class WindowlessGlxApplication {
         /** @copydoc Sdl2Application::Sdl2Application(const Arguments&, std::nullptr_t) */
         explicit WindowlessGlxApplication(const Arguments& arguments, std::nullptr_t);
 
+        /** @brief Copying is not allowed */
+        WindowlessGlxApplication(const WindowlessGlxApplication&) = delete;
+
+        /** @brief Moving is not allowed */
+        WindowlessGlxApplication(WindowlessGlxApplication&&) = delete;
+
+        /** @brief Copying is not allowed */
+        WindowlessGlxApplication& operator=(const WindowlessGlxApplication&) = delete;
+
+        /** @brief Moving is not allowed */
+        WindowlessGlxApplication& operator=(WindowlessGlxApplication&&) = delete;
+
         /**
          * @brief Execute application
          * @return Value for returning from `main()`.

src/Platform/WindowlessNaClApplication.h

@@ -111,6 +111,18 @@ class WindowlessNaClApplication: public pp::Instance, public pp::Graphics3DClien
         /** @copydoc Sdl2Application::Sdl2Application(const Arguments&, std::nullptr_t) */
         explicit WindowlessNaClApplication(const Arguments& arguments, std::nullptr_t);
 
+        /** @brief Copying is not allowed */
+        WindowlessNaClApplication(const WindowlessNaClApplication&) = delete;
+
+        /** @brief Moving is not allowed */
+        WindowlessNaClApplication(WindowlessNaClApplication&&) = delete;
+
+        /** @brief Copying is not allowed */
+        WindowlessNaClApplication& operator=(const WindowlessNaClApplication&) = delete;
+
+        /** @brief Moving is not allowed */
+        WindowlessNaClApplication& operator=(WindowlessNaClApplication&&) = delete;
+
         /**
          * @brief Execute application
          * @return Value for returning from `main()`.