Check whether area is being painted against the update region,

not just the bounding box of this region. This ensures that a
need to abandon a paint when a restyle affects text outside
the area being painted.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/Editor.h b/src/Editor.h
index 0ac6ec917..1207425dd 100644
--- a/src/Editor.h
+++ b/src/Editor.h
@@ -504,6 +504,8 @@ protected:	// ScintillaBase subclass needs access to much of Editor
 	virtual bool HaveMouseCapture() = 0;
 	void SetFocusState(bool focusState);
 
+	virtual bool PaintContains(PRectangle rc);
+	bool PaintContainsMargin();
 	void CheckForChangeOutsidePaint(Range r);
 	int BraceMatch(int position, int maxReStyle);
 	void SetBraceHighlight(Position pos0, Position pos1, int matchStyle);