1 files changed, 14 insertions, 1 deletions
diff --git a/src/monmon.hh b/src/monmon.hh
index 0699f57..c02cae6 100644
--- a/src/monmon.hh
+++ b/src/monmon.hh
@@ -3,6 +3,7 @@
 
 #include <memory>
 #include <mutex>
+#include <vector>
 
 #include "animator.hh"
 #include "cairo.hh"
@@ -63,13 +64,24 @@ protected:
   virtual void internal_quit() {
   }
 
+  virtual void mark_all_dirty() {
+  }
+
   virtual void draw_content(cairo_t* cairo, PangoLayout* layout,
-                            uint16_t w, uint16_t h) = 0;
+                            uint16_t w, uint16_t h,
+                            std::vector<xcb_rectangle_t>& dirty) = 0;
 
   static void rounded_path(cairo_t* cr, double x, double y,
                            double width, double height);
 
   void draw();
+  void request_draw();
+
+  // Clone the base layout (font, alignment, ellipsize) for per-item use
+  pango::unique_layout make_layout() const;
+
+  // Fill the background (desktop or black) for a given rectangle on the cairo surface
+  void fill_background(cairo_t* cairo, xcb_rectangle_t const& r);
 
   std::shared_ptr<PollLooper> looper_;
   std::unique_ptr<Animator> animator_;
@@ -109,6 +121,7 @@ private:
   xcb_window_t desktop_window_;
   xcb_pixmap_t desktop_pixmap_;
   cairo::unique_surface desktop_surface_;
+  bool draw_requested_;
 };