From 3c01fae8d95f51340e16247f51d0e654500d43f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ji=C5=99=C3=AD=20Techet?= <techet@gmail.com>
Date: Sat, 27 Dec 2014 15:24:41 +0100
Subject: [PATCH] Disable scintilla buffer draw on OS X (with Quartz backend)

This delagates font rendering to Quartz so it can be rendered
in 2x resolution on "retina" displays.
---
 src/editor.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/editor.c b/src/editor.c
index 73b85cda..b7c646cc 100644
--- a/src/editor.c
+++ b/src/editor.c
@@ -4779,6 +4779,11 @@ static ScintillaObject *create_new_sci(GeanyEditor *editor)
 
 	/* virtual space */
 	SSM(sci, SCI_SETVIRTUALSPACEOPTIONS, editor_prefs.show_virtual_space, 0);
+	
+#ifdef GDK_WINDOWING_QUARTZ
+	/* "retina" (HiDPI) display support on OS X - requires disabling buffered draw */
+	SSM(sci, SCI_SETBUFFEREDDRAW, 0, 0);
+#endif
 
 	/* only connect signals if this is for the document notebook, not split window */
 	if (editor->sci == NULL)