Don't disable adaptive speed of scrolling on OS X with GTK Quartz backend

There does not seem to be any adaptive scroll speed control when using
the Quartz backend so we can use the one provided by Scintilla.

1 files changed, 4 insertions, 3 deletions

diff --git a/gtk/ScintillaGTK.cxx b/gtk/ScintillaGTK.cxx
index d008215d0..0871ca224 100644
--- a/gtk/ScintillaGTK.cxx
+++ b/gtk/ScintillaGTK.cxx
@@ -1990,10 +1990,11 @@ gint ScintillaGTK::ScrollEvent(GtkWidget *widget, GdkEventScroll *event) {
 		// Compute amount and direction to scroll (even tho on win32 there is
 		// intensity of scrolling info in the native message, gtk doesn't
 		// support this so we simulate similarly adaptive scrolling)
-		// Note that this is disabled on OS X (Darwin) where the X11 server already has
-		// and adaptive scrolling algorithm that fights with this one
+		// Note that this is disabled on OS X (Darwin) with the X11 backend
+		// where the X11 server already has an adaptive scrolling algorithm 
+		// that fights with this one
 		int cLineScroll;
-#if defined(__MWERKS__) || defined(__APPLE_CPP__) || defined(__APPLE_CC__)
+#if defined(__APPLE__) && !defined(GDK_WINDOWING_QUARTZ)
 		cLineScroll = sciThis->linesPerScroll;
 		if (cLineScroll == 0)
 			cLineScroll = 4;