2 files changed, 14 insertions, 0 deletions
diff --git a/qt/ScintillaEditBase/PlatQt.cpp b/qt/ScintillaEditBase/PlatQt.cpp
index 52cb54bf7..b7d0e3a53 100644
--- a/qt/ScintillaEditBase/PlatQt.cpp
+++ b/qt/ScintillaEditBase/PlatQt.cpp
@@ -133,6 +133,10 @@ public:
 
 namespace {
 
+const int SupportsQt[] = {
+	SC_SUPPORTS_LINE_DRAWS_FINAL,
+};
+
 const FontAndCharacterSet *AsFontAndCharacterSet(const Font *f) {
 	return dynamic_cast<const FontAndCharacterSet *>(f);
 }
@@ -205,6 +209,15 @@ void SurfaceImpl::Release() noexcept
 	Clear();
 }
 
+int SurfaceImpl::Supports(int feature) noexcept
+{
+	for (const int f : SupportsQt) {
+		if (f == feature)
+			return 1;
+	}
+	return 0;
+}
+
 bool SurfaceImpl::Initialised()
 {
 	return device != nullptr;
diff --git a/qt/ScintillaEditBase/PlatQt.h b/qt/ScintillaEditBase/PlatQt.h
index 844418343..ae0994b32 100644
--- a/qt/ScintillaEditBase/PlatQt.h
+++ b/qt/ScintillaEditBase/PlatQt.h
@@ -90,6 +90,7 @@ public:
 		Surface *surface, WindowID wid) override;
 
 	void Release() noexcept override;
+	int Supports(int feature) noexcept override;
 	bool Initialised() override;
 	void PenColour(ColourDesired fore) override;
 	int LogPixelsY() override;