Add Surface::PixelDivisions which detects 'retina' displays that use

multiple display pixels per logical pixel.
Likely will only return >1 for Apple displays.
Can be used for finer placement of elements.

1 files changed, 6 insertions, 0 deletions

diff --git a/qt/ScintillaEditBase/PlatQt.cpp b/qt/ScintillaEditBase/PlatQt.cpp
index b7d0e3a53..1b8f75c02 100644
--- a/qt/ScintillaEditBase/PlatQt.cpp
+++ b/qt/ScintillaEditBase/PlatQt.cpp
@@ -263,6 +263,12 @@ int SurfaceImpl::LogPixelsY()
 	return device->logicalDpiY();
 }
 
+int SurfaceImpl::PixelDivisions()
+{
+	// Qt uses device pixels.
+	return 1;
+}
+
 int SurfaceImpl::DeviceHeightFont(int points)
 {
 	return points;