Restore cursor shape on exit. (#793) (#794)

Fixed: https://github.com/ArthurSonzogni/FTXUI/issues/792

include/ftxui/component/mouse.hpp

@@ -21,13 +21,9 @@ struct Mouse {
   enum Motion {
     Released = 0,
     Pressed = 1,
+    Moved = 2,
   };
 
-  // Utility function to check the variations of the mouse state.
-  bool IsPressed(Button btn = Left) const;   // Released => Pressed.
-  bool IsHeld(Button btn = Left) const;      // Pressed => Pressed.
-  bool IsReleased(Button btn = Left) const;  // Pressed => Released.
-
   // Button
   Button button = Button::None;
 
@@ -42,9 +38,6 @@ struct Mouse {
   // Coordinates:
   int x = 0;
   int y = 0;
-
-  // Previous mouse event, if any.
-  Mouse* previous = nullptr;
 };
 
 }  // namespace ftxui

include/ftxui/component/screen_interactive.hpp

@@ -117,7 +117,6 @@ class ScreenInteractive : public Screen {
   // The style of the cursor to restore on exit.
   int cursor_reset_shape_ = 1;
 
-  Mouse latest_mouse_event_;
   friend class Loop;
 
  public: