Add ScrollDown/Up UserEvent

Author: lusingander

src/event.rs

@@ -89,6 +89,8 @@ pub enum UserEvent {
     GoToRight,
     PageDown,
     PageUp,
+    ScrollDown,
+    ScrollUp,
     Confirm,
     Close,
     QuickFilter,
@@ -130,6 +132,8 @@ impl UserEventMapper {
             (KeyEvent::new(KeyCode::Right, KeyModifiers::NONE), UserEvent::Right),
             (KeyEvent::new(KeyCode::Char('h'), KeyModifiers::NONE), UserEvent::Left),
             (KeyEvent::new(KeyCode::Left, KeyModifiers::NONE), UserEvent::Left),
+            (KeyEvent::new(KeyCode::Char('e'), KeyModifiers::CONTROL), UserEvent::ScrollDown),
+            (KeyEvent::new(KeyCode::Char('y'), KeyModifiers::CONTROL), UserEvent::ScrollUp),
             (KeyEvent::new(KeyCode::Enter, KeyModifiers::NONE), UserEvent::Confirm),
             (KeyEvent::new(KeyCode::Backspace, KeyModifiers::NONE), UserEvent::Close),
             (KeyEvent::new(KeyCode::Char('h'), KeyModifiers::CONTROL), UserEvent::Close),