Improve performance and cpu usage

Remove Text vertices if text has not been visible on the freen for a
while.
Stop rendering when window has lost focus for awhile, reducing cpu usage
to 0

1 files changed, 3 insertions, 0 deletions

diff --git a/include/Text.hpp b/include/Text.hpp
index 925dc94..286a0b1 100644
--- a/include/Text.hpp
+++ b/include/Text.hpp
@@ -7,6 +7,7 @@
 #include <SFML/Graphics/RenderTarget.hpp>
 #include <SFML/Window/Event.hpp>
 #include <SFML/System/String.hpp>
+#include <SFML/System/Clock.hpp>
 #include <vector>
 
 namespace dchat
@@ -98,6 +99,7 @@ namespace dchat
         bool dirtyCaret;
         bool plainText;
         bool editable;
+        bool visible;
         CaretMoveDirection caretMoveDirection;
         sf::FloatRect boundingBox;
         float lineSpacing;
@@ -105,5 +107,6 @@ namespace dchat
         
         int caretIndex;
         sf::Vector2f caretPosition;
+        sf::Clock lastSeenTimer;
     };
 }