Platform: hide internal {Glfw,Sdl2}Application flags from the header.

Because things are going to get messy soon (well, in case of SDL2 they
already are).

src/Magnum/Platform/GlfwApplication.cpp

@@ -52,6 +52,11 @@ namespace Magnum { namespace Platform {
 static_assert(GLFW_TRUE == true && GLFW_FALSE == false, "GLFW does not have sane bool values");
 #endif
 
+enum class GlfwApplication::Flag: UnsignedByte {
+    Redraw = 1 << 0,
+    TextInputActive = 1 << 1
+};
+
 GlfwApplication::GlfwApplication(const Arguments& arguments): GlfwApplication{arguments, Configuration{}} {}
 
 GlfwApplication::GlfwApplication(const Arguments& arguments, const Configuration& configuration): GlfwApplication{arguments, NoCreate} {
@@ -686,6 +691,8 @@ void GlfwApplication::setSwapInterval(const Int interval) {
     glfwSwapInterval(interval);
 }
 
+void GlfwApplication::redraw() { _flags |= Flag::Redraw; }
+
 int GlfwApplication::exec() {
     CORRADE_ASSERT(_window, "Platform::GlfwApplication::exec(): no window opened", {});
 
@@ -810,6 +817,18 @@ void GlfwApplication::mouseMoveEvent(MouseMoveEvent&) {}
 void GlfwApplication::mouseScrollEvent(MouseScrollEvent&) {}
 void GlfwApplication::textInputEvent(TextInputEvent&) {}
 
+bool GlfwApplication::isTextInputActive() const {
+    return !!(_flags & Flag::TextInputActive);
+}
+
+void GlfwApplication::startTextInput() {
+    _flags |= Flag::TextInputActive;
+}
+
+void GlfwApplication::stopTextInput() {
+    _flags &= ~Flag::TextInputActive;
+}
+
 #ifdef MAGNUM_TARGET_GL
 GlfwApplication::GLConfiguration::GLConfiguration():
     _colorBufferSize{8, 8, 8, 0}, _depthBufferSize{24}, _stencilBufferSize{0},

src/Magnum/Platform/GlfwApplication.h

@@ -498,7 +498,7 @@ class GlfwApplication {
         void setSwapInterval(Int interval);
 
         /** @copydoc Sdl2Application::redraw() */
-        void redraw() { _flags |= Flag::Redraw; }
+        void redraw();
 
     private:
         /**
@@ -653,7 +653,7 @@ class GlfwApplication {
          * @ref textInputEvent().
          * @see @ref startTextInput(), @ref stopTextInput()
          */
-        bool isTextInputActive() const { return !!(_flags & Flag::TextInputActive); }
+        bool isTextInputActive() const;
 
         /**
          * @brief Start text input
@@ -661,7 +661,7 @@ class GlfwApplication {
          * Starts text input that will go to @ref textInputEvent().
          * @see @ref stopTextInput(), @ref isTextInputActive()
          */
-        void startTextInput() { _flags |= Flag::TextInputActive; }
+        void startTextInput();
 
         /**
          * @brief Stop text input
@@ -670,7 +670,7 @@ class GlfwApplication {
          * @see @ref startTextInput(), @ref isTextInputActive(),
          *      @ref textInputEvent()
          */
-        void stopTextInput() { _flags &= ~Flag::TextInputActive; }
+        void stopTextInput();
 
     private:
         /**
@@ -699,11 +699,7 @@ class GlfwApplication {
         /*@}*/
 
     private:
-        enum class Flag: UnsignedByte {
-            Redraw = 1 << 0,
-            TextInputActive = 1 << 1
-        };
-
+        enum class Flag: UnsignedByte;
         typedef Containers::EnumSet<Flag> Flags;
         CORRADE_ENUMSET_FRIEND_OPERATORS(Flags)
 

src/Magnum/Platform/Sdl2Application.cpp

@@ -79,6 +79,18 @@ Sdl2Application::InputEvent::Modifiers fixedModifiers(Uint16 mod) {
 
 }
 
+enum class Sdl2Application::Flag: UnsignedByte {
+    Redraw = 1 << 0,
+    VSyncEnabled = 1 << 1,
+    NoTickEvent = 1 << 2,
+    NoAnyEvent = 1 << 3,
+    Exit = 1 << 4,
+    #ifdef CORRADE_TARGET_EMSCRIPTEN
+    TextInputActive = 1 << 5,
+    Resizable = 1 << 6
+    #endif
+};
+
 Sdl2Application::Sdl2Application(const Arguments& arguments): Sdl2Application{arguments, Configuration{}} {}
 
 Sdl2Application::Sdl2Application(const Arguments& arguments, const Configuration& configuration): Sdl2Application{arguments, NoCreate} {
@@ -724,6 +736,8 @@ bool Sdl2Application::setSwapInterval(const Int interval) {
     return true;
 }
 
+void Sdl2Application::redraw() { _flags |= Flag::Redraw; }
+
 Sdl2Application::~Sdl2Application() {
     #ifdef MAGNUM_TARGET_GL
     _context.reset();

src/Magnum/Platform/Sdl2Application.h

@@ -840,7 +840,7 @@ class Sdl2Application {
          * in the next iteration. You can call it from @ref drawEvent() itself
          * to redraw immediately without waiting for user input.
          */
-        void redraw() { _flags |= Flag::Redraw; }
+        void redraw();
 
     private:
         /**
@@ -1142,18 +1142,7 @@ class Sdl2Application {
         /*@}*/
 
     private:
-        enum class Flag: UnsignedByte {
-            Redraw = 1 << 0,
-            VSyncEnabled = 1 << 1,
-            NoTickEvent = 1 << 2,
-            NoAnyEvent = 1 << 3,
-            Exit = 1 << 4,
-            #ifdef CORRADE_TARGET_EMSCRIPTEN
-            TextInputActive = 1 << 5,
-            Resizable = 1 << 6
-            #endif
-        };
-
+        enum class Flag: UnsignedByte;
         typedef Containers::EnumSet<Flag> Flags;
         CORRADE_ENUMSET_FRIEND_OPERATORS(Flags)