Define IScreenLineLayout as the main interface for implementing bidirectional

features by platform code.
Implement IScreenLineLayout for Win32 / DirectWrite as ScreenLineLayout.

1 files changed, 2 insertions, 10 deletions

diff --git a/cocoa/PlatCocoa.mm b/cocoa/PlatCocoa.mm
index 62a0ba5f0..aca57b81a 100644
--- a/cocoa/PlatCocoa.mm
+++ b/cocoa/PlatCocoa.mm
@@ -821,16 +821,8 @@ void SurfaceImpl::Copy(PRectangle rc, Scintilla::Point from, Surface &surfaceSou
 
 // Bidirectional text support for Arabic and Hebrew not currently implemented on Cocoa.
 
-size_t SurfaceImpl::PositionFromX(const IScreenLine *, XYPOSITION, bool) {
-	return 0;
-}
-
-XYPOSITION SurfaceImpl::XFromPosition(const IScreenLine *, size_t) {
-	return 0;
-}
-
-std::vector<Interval> SurfaceImpl::FindRangeIntervals(const IScreenLine *, size_t, size_t) {
-	return std::vector<Interval>();
+std::unique_ptr<IScreenLineLayout> SurfaceImpl::Layout(const IScreenLine *screenLine) {
+	return {};
 }
 
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