1 files changed, 25 insertions, 0 deletions
diff --git a/src/nvim/drawscreen.h b/src/nvim/drawscreen.h
new file mode 100644
index 0000000000..3eac1caaa1
--- /dev/null
+++ b/src/nvim/drawscreen.h
@@ -0,0 +1,25 @@
+#ifndef NVIM_DRAWSCREEN_H
+#define NVIM_DRAWSCREEN_H
+
+#include "nvim/drawline.h"
+
+/// flags for update_screen()
+/// The higher the value, the higher the priority
+enum {
+  VALID        = 10,  ///< buffer not changed, or changes marked with b_mod_*
+  INVERTED     = 20,  ///< redisplay inverted part that changed
+  INVERTED_ALL = 25,  ///< redisplay whole inverted part
+  REDRAW_TOP   = 30,  ///< display first w_upd_rows screen lines
+  SOME_VALID   = 35,  ///< like NOT_VALID but may scroll
+  NOT_VALID    = 40,  ///< buffer needs complete redraw
+  CLEAR        = 50,  ///< screen messed up, clear it
+};
+
+/// While redrawing the screen this flag is set.  It means the screen size
+/// ('lines' and 'rows') must not be changed.
+EXTERN bool updating_screen INIT(= 0);
+
+#ifdef INCLUDE_GENERATED_DECLARATIONS
+# include "drawscreen.h.generated.h"
+#endif
+#endif  // NVIM_DRAWSCREEN_H