We can act on the screen

include/ftxui/component/screen_interactive.hpp

@@ -32,7 +32,6 @@ typedef struct {
   uint16_t endx = 0;
   uint16_t starty = 0;
   uint16_t endy = 0;
-  bool changed = false;
 } Region;
 
 class ScreenInteractive : public Screen {
@@ -77,6 +76,8 @@ class ScreenInteractive : public Screen {
   void ForceHandleCtrlC(bool force);
   void ForceHandleCtrlZ(bool force);
 
+  std::string getSelection(void);
+
  private:
   void ExitNow();
 
@@ -92,7 +93,7 @@ class ScreenInteractive : public Screen {
 
   void HandleTask(Component component, Task& task);
   bool selectableCatchEvent(Event event);
-  std::string getSelection(void);
+  void refreshSelection(void);
   void Draw(Component component);
   void ResetCursorPosition();
 

include/ftxui/dom/elements.hpp

@@ -116,9 +116,6 @@ Element hyperlink(std::string link, Element child);
 Element selectable(Element child);
 Decorator selectable(void);
 
-// -- Selection --
-std::string getSelection(void);
-
 // --- Layout is
 // Horizontal, Vertical or stacked set of elements.
 Element hbox(Elements);