2 files changed, 24 insertions, 0 deletions
diff --git a/qt/ScintillaEditBase/PlatQt.cpp b/qt/ScintillaEditBase/PlatQt.cpp
index 44082c77a..917f35b3b 100644
--- a/qt/ScintillaEditBase/PlatQt.cpp
+++ b/qt/ScintillaEditBase/PlatQt.cpp
@@ -408,6 +408,21 @@ void SurfaceImpl::Copy(PRectangle rc, Point from, Surface &surfaceSource)
 	GetPainter()->drawPixmap(rc.left, rc.top, *pixmap, from.x, from.y, -1, -1);
 }
 
+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>();
+}
+
 void SurfaceImpl::DrawTextNoClip(PRectangle rc,
                                  Font &font,
                                  XYPOSITION ybase,
@@ -565,6 +580,10 @@ void SurfaceImpl::SetDBCSMode(int codePage_)
 	codePage = codePage_;
 }
 
+void SurfaceImpl::SetBidiR2L(bool)
+{
+}
+
 QPaintDevice *SurfaceImpl::GetPaintDevice()
 {
 	return device;
diff --git a/qt/ScintillaEditBase/PlatQt.h b/qt/ScintillaEditBase/PlatQt.h
index 6baa12877..65a5e8be0 100644
--- a/qt/ScintillaEditBase/PlatQt.h
+++ b/qt/ScintillaEditBase/PlatQt.h
@@ -103,6 +103,10 @@ public:
 		ColourDesired back) override;
 	void Copy(PRectangle rc, Point from, Surface &surfaceSource) override;
 
+	size_t PositionFromX(const IScreenLine *screenLine, XYPOSITION xDistance, bool charPosition) override;
+	XYPOSITION XFromPosition(const IScreenLine *screenLine, size_t caretPosition) override;
+	std::vector<Interval> FindRangeIntervals(const IScreenLine *screenLine, size_t start, size_t end) override;
+
 	void DrawTextNoClip(PRectangle rc, Font &font, XYPOSITION ybase,
 		std::string_view text, ColourDesired fore, ColourDesired back) override;
 	void DrawTextClipped(PRectangle rc, Font &font, XYPOSITION ybase,
@@ -123,6 +127,7 @@ public:
 
 	void SetUnicodeMode(bool unicodeMode_) override;
 	void SetDBCSMode(int codePage_) override;
+	void SetBidiR2L(bool bidiR2L_) override;
 
 	void BrushColour(ColourDesired back);
 	void SetCodec(Font &font);