From a68ccb52e48b61b5552c44b5aa419e5f7f92cbf4 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Tue, 6 Sep 2016 21:18:14 -0400
Subject: [PATCH] Do not redraw screen on cursor move if the cursor didn't
 actually move

---
 src/gui/Window.cc | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/gui/Window.cc b/src/gui/Window.cc
index 48afc24..be399ac 100644
--- a/src/gui/Window.cc
+++ b/src/gui/Window.cc
@@ -250,26 +250,26 @@ void Window::handle_key(uint32_t scancode, uint32_t mod)
 
 void Window::cursor_left()
 {
-    m_cursor->go_left(1);
-    redraw();
+    if (m_cursor->go_left(1))
+        redraw();
 }
 
 void Window::cursor_right()
 {
-    m_cursor->go_right(1);
-    redraw();
+    if (m_cursor->go_right(1))
+        redraw();
 }
 
 void Window::cursor_up()
 {
-    m_cursor->go_up(1, m_cursor->column);
-    redraw();
+    if (m_cursor->go_up(1, m_cursor->column))
+        redraw();
 }
 
 void Window::cursor_down()
 {
-    m_cursor->go_down(1, m_cursor->column);
-    redraw();
+    if (m_cursor->go_down(1, m_cursor->column))
+        redraw();
 }
 
 void Window::scroll_down()