General code cleanups

* Removed some unused includes
* Removed unused ListBox::mFont
* Removed wrong cast to SDL_Scancode
* Removed superfluous .c_str()
* Removed superfluous explicit std::string construction
* Removed unused variable
* Use more emplace_back
* Turned FindBeingFunctor into a lambda
* Avoid needless pointer references for ambient layers and use a vector

1 files changed, 0 insertions, 15 deletions

diff --git a/src/gui/widgets/listbox.h b/src/gui/widgets/listbox.h
index a453b618..d16256b1 100644
--- a/src/gui/widgets/listbox.h
+++ b/src/gui/widgets/listbox.h
@@ -38,18 +38,6 @@ class ListBox : public gcn::ListBox
     public:
         ListBox(gcn::ListModel *listModel);
 
-        ~ListBox() override;
-
-        /**
-         * Sets the font to render the text in.
-         *
-         * @param font the font to use.
-         */
-        void setFont(gcn::Font *font)
-        {
-            mFont = font;
-        }
-
         /**
          * Draws the list box.
          */
@@ -74,9 +62,6 @@ class ListBox : public gcn::ListBox
 
         void mouseDragged(gcn::MouseEvent &event) override;
 
-    private:
-        gcn::Font *mFont;
-
     protected:
         static float mAlpha;
 };