Platform: remove deprecated wheel-reported-as-button events.

Deprecated in 2a77856df2 (June 2016). Use
the dedicated mouseScrollEvent() API instead.

doc/changelog.dox

@@ -178,6 +178,11 @@ See also:
 -   Removed @cpp Math::normalize() @ce and @cpp Math::denormalize() @ce
     functions, deprecated since December 2016. Use @ref Math::pack() and
     @ref Math::unpack() instead.
+-   Removed @cpp Platform::*Application::MouseEvent::BUtton::WheelUp @ce and
+    @cpp Platform::*Application::MouseEvent::BUtton::WheelDown @ce, deprecated
+    since June 2016. Use the dedicated
+    @ref Platform::Sdl2Application::mouseScrollEvent() "mouseScrollEvent()"
+    API instead.
 
 @section changelog-2018-10 2018.10
 

src/Magnum/Platform/GlfwApplication.cpp

@@ -497,20 +497,6 @@ void GlfwApplication::setupCallbacks() {
 
         MouseScrollEvent e(window, Vector2{Float(xoffset), Float(yoffset)});
         instance->mouseScrollEvent(e);
-
-        #ifdef MAGNUM_BUILD_DEPRECATED
-        if(yoffset != 0.0) {
-            #ifdef __GNUC__
-            #pragma GCC diagnostic push
-            #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-            #endif
-            MouseEvent e1((yoffset > 0.0) ? MouseEvent::Button::WheelUp : MouseEvent::Button::WheelDown, {}, currentGlfwModifiers(window));
-            #ifdef __GNUC__
-            #pragma GCC diagnostic pop
-            #endif
-            instance->mousePressEvent(e1);
-        }
-        #endif
     });
     glfwSetCharCallback(_window, [](GLFWwindow* window, unsigned int codepoint) {
         const auto instance = static_cast<GlfwApplication*>(glfwGetWindowUserPointer(window));

src/Magnum/Platform/GlfwApplication.h

@@ -1488,20 +1488,6 @@ class GlfwApplication::MouseEvent: public GlfwApplication::InputEvent {
             Button6 = GLFW_MOUSE_BUTTON_6,        /**< Mouse button 6 */
             Button7 = GLFW_MOUSE_BUTTON_7,        /**< Mouse button 7 */
             Button8 = GLFW_MOUSE_BUTTON_8,        /**< Mouse button 8 */
-
-            #ifdef MAGNUM_BUILD_DEPRECATED
-            /**
-             * Wheel up
-             * @deprecated Use @ref MouseScrollEvent and @ref mouseScrollEvent() instead.
-             */
-            WheelUp CORRADE_DEPRECATED_ENUM("use mouseScrollEvent() and MouseScrollEvent instead") = GLFW_MOUSE_BUTTON_LAST + 1,
-
-            /**
-             * Wheel down
-             * @deprecated Use @ref MouseScrollEvent and @ref mouseScrollEvent() instead.
-             */
-            WheelDown CORRADE_DEPRECATED_ENUM("use mouseScrollEvent() and MouseScrollEvent instead") = GLFW_MOUSE_BUTTON_LAST + 2
-            #endif
         };
 
         /** @brief Button */

src/Magnum/Platform/Sdl2Application.cpp

@@ -687,24 +687,6 @@ void Sdl2Application::mainLoopIteration() {
             case SDL_MOUSEWHEEL: {
                 MouseScrollEvent e{{Float(event.wheel.x), Float(event.wheel.y)}};
                 mouseScrollEvent(e);
-
-                #ifdef MAGNUM_BUILD_DEPRECATED
-                if(event.wheel.y != 0) {
-                    #ifdef __GNUC__
-                    #pragma GCC diagnostic push
-                    #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-                    #endif
-                    MouseEvent ew(event.wheel.y > 0 ? MouseEvent::Button::WheelUp : MouseEvent::Button::WheelDown, {event.wheel.x, event.wheel.y}
-                        #ifndef CORRADE_TARGET_EMSCRIPTEN
-                        , 0
-                        #endif
-                        );
-                    #ifdef __GNUC__
-                    #pragma GCC diagnostic pop
-                    #endif
-                    mousePressEvent(ew);
-                }
-                #endif
             } break;
 
             case SDL_MOUSEMOTION: {

src/Magnum/Platform/Sdl2Application.h

@@ -2000,20 +2000,6 @@ class Sdl2Application::MouseEvent: public Sdl2Application::InputEvent {
 
             /** Second extra button (e.g. wheel right) */
             X2 = SDL_BUTTON_X2,
-
-            #ifdef MAGNUM_BUILD_DEPRECATED
-            /**
-             * Wheel up
-             * @deprecated Use @ref MouseScrollEvent and @ref mouseScrollEvent() instead.
-             */
-            WheelUp CORRADE_DEPRECATED_ENUM("use mouseScrollEvent() and MouseScrollEvent instead") = SDL_BUTTON_X2 + 1,
-
-            /**
-             * Wheel down
-             * @deprecated Use @ref MouseScrollEvent and @ref mouseScrollEvent() instead.
-             */
-            WheelDown CORRADE_DEPRECATED_ENUM("use mouseScrollEvent() and MouseScrollEvent instead") = SDL_BUTTON_X2 + 2
-            #endif
         };
 
         /** @brief Button */