From fbac5206d8bd5094e13be6691d986bd12975b8f7 Mon Sep 17 00:00:00 2001
From: Neil Hodgson <nyamatongwe@gmail.com>
Date: Tue, 3 Dec 2013 22:14:21 +1100
Subject: Fix problems with appearance of newly scrolled content on OS X 10.9
 where previously prepared content was shown.

---
 cocoa/ScintillaCocoa.h  |  2 ++
 cocoa/ScintillaCocoa.mm | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+)

(limited to 'cocoa')

diff --git a/cocoa/ScintillaCocoa.h b/cocoa/ScintillaCocoa.h
index 8d182e866..358019b46 100644
--- a/cocoa/ScintillaCocoa.h
+++ b/cocoa/ScintillaCocoa.h
@@ -114,6 +114,8 @@ protected:
   Point GetVisibleOriginInMain();
   PRectangle GetClientRectangle();
   Point ConvertPoint(NSPoint point);
+  virtual void RedrawRect(PRectangle rc);
+  virtual void Redraw();
   
   virtual void Initialise();
   virtual void Finalise();
diff --git a/cocoa/ScintillaCocoa.mm b/cocoa/ScintillaCocoa.mm
index 7e2c00ebb..e74beffdc 100644
--- a/cocoa/ScintillaCocoa.mm
+++ b/cocoa/ScintillaCocoa.mm
@@ -728,6 +728,28 @@ Scintilla::Point ScintillaCocoa::ConvertPoint(NSPoint point)
 
 //--------------------------------------------------------------------------------------------------
 
+/**
+ * Do not clip like superclass as Cocoa is not reporting all of prepared area.
+ */
+void ScintillaCocoa::RedrawRect(PRectangle rc)
+{
+  if (!rc.Empty())
+    wMain.InvalidateRectangle(rc);
+}
+
+//--------------------------------------------------------------------------------------------------
+
+/**
+ * Ensure all of prepared content is also redrawn.
+ */
+void ScintillaCocoa::Redraw()
+{
+  wMargin.InvalidateAll();
+  wMain.InvalidateAll();
+}
+
+//--------------------------------------------------------------------------------------------------
+
 /**
  * A function to directly execute code that would usually go the long way via window messages.
  * However this is a Windows metaphor and not used here, hence we just call our fake
-- 
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