Send SCN_UPDATEUI notification when view scrolled. Satisfies feature request #3125977.

Also includes an updated field in notification so that updates of no interest can be
easily ignored.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/Editor.h b/src/Editor.h
index 288addee0..a618e1e40 100644
--- a/src/Editor.h
+++ b/src/Editor.h
@@ -208,7 +208,7 @@ protected:	// ScintillaBase subclass needs access to much of Editor
 	int posTopLine;
 	int lengthForEncode;
 
-	bool needUpdateUI;
+	int needUpdateUI;
 	Position braces[2];
 	int bracesMatchStyle;
 	int highlightGuideColumn;
@@ -438,6 +438,7 @@ protected:	// ScintillaBase subclass needs access to much of Editor
 	void NotifyErrorOccurred(Document *doc, void *userData, int status);
 	void NotifyMacroRecord(unsigned int iMessage, uptr_t wParam, sptr_t lParam);
 
+	void ContainerNeedsUpdate(int flags);
 	void PageMove(int direction, Selection::selTypes sel=Selection::noSel, bool stuttered = false);
 	enum { cmSame, cmUpper, cmLower } caseMap;
 	virtual std::string CaseMapString(const std::string &s, int caseMapping);