Reduce memory usage by cleaning up text not visible on the screen

As a text, memory usage decreased from 150mb to 20mb

2 files changed, 4 insertions, 2 deletions

diff --git a/include/Body.hpp b/include/Body.hpp
index 47de784..bf5f6aa 100644
--- a/include/Body.hpp
+++ b/include/Body.hpp
@@ -78,6 +78,7 @@ namespace QuickMedia {
         sf::Color title_color;
         sf::Color author_color;
         void *userdata; // Not managed, should be deallocated by whoever sets this
+        sf::Int32 last_drawn_time;
     private:
         std::string title;
         std::string description;
@@ -157,6 +158,8 @@ namespace QuickMedia {
         sf::Color line_seperator_color;
     private:
         void draw_item(sf::RenderWindow &window, BodyItem *item, const sf::Vector2f &pos, const sf::Vector2f &size, const float item_height, const int item_index, const Json::Value &content_progress);
+        void update_dirty_state(BodyItem *body_item, sf::Vector2f size);
+        void clear_body_item_cache(BodyItem *body_item);
     private:
         Program *program;
         std::unordered_map<std::string, std::shared_ptr<ThumbnailData>> item_thumbnail_textures;
@@ -173,5 +176,6 @@ namespace QuickMedia {
         int num_visible_items;
         bool last_item_fully_visible;
         int last_fully_visible_item;
+        sf::Clock draw_timer;
     };
 }
\ No newline at end of file
diff --git a/include/Text.hpp b/include/Text.hpp
index 6a4ed9c..7e9dda2 100644
--- a/include/Text.hpp
+++ b/include/Text.hpp
@@ -139,7 +139,6 @@ namespace QuickMedia
         bool dirtyText;
         bool dirtyCaret;
         bool editable;
-        bool visible;
         CaretMoveDirection caretMoveDirection;
         sf::FloatRect boundingBox;
         float lineSpacing;
@@ -149,7 +148,6 @@ namespace QuickMedia
         int caretIndex;
         float caret_offset_x;
         sf::Vector2f caretPosition;
-        sf::Clock lastSeenTimer;
         sf::Vector2u renderTargetSize;
 
         std::vector<VertexRef> vertices_linear; // TODO: Use textElements instead