From 64a090697a4ce072addd4f9ea6aadca5f6cd9a86 Mon Sep 17 00:00:00 2001
From: Zufu Liu <unknown>
Date: Fri, 30 Sep 2022 09:31:14 +1000
Subject: Bug [#2357]. Make SCI_LINESCROLL more accurate when width of space
 not integer.

---
 doc/ScintillaHistory.html | 4 ++++
 src/Editor.cxx            | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/doc/ScintillaHistory.html b/doc/ScintillaHistory.html
index e1dc99479..079095ae0 100644
--- a/doc/ScintillaHistory.html
+++ b/doc/ScintillaHistory.html
@@ -598,6 +598,10 @@
 	Enlarge point and point top indicators and scale to be larger with larger text.
 	</li>
 	<li>
+	Make SCI_LINESCROLL more accurate when width of space not integer.
+	<a href="https://sourceforge.net/p/scintilla/bugs/2357/">Bug #2357</a>.
+	</li>
+	<li>
 	On Win32 implement horizontal scrolling mouse wheel.
 	<a href="https://sourceforge.net/p/scintilla/feature-requests/1450/">Feature #1450</a>.
 	</li>
diff --git a/src/Editor.cxx b/src/Editor.cxx
index 32a63f14a..97c141bae 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -6242,7 +6242,7 @@ sptr_t Editor::WndProc(Message iMessage, uptr_t wParam, sptr_t lParam) {
 
 	case Message::LineScroll:
 		ScrollTo(topLine + lParam);
-		HorizontalScrollTo(xOffset + static_cast<int>(wParam) * static_cast<int>(vs.spaceWidth));
+		HorizontalScrollTo(xOffset + static_cast<int>(static_cast<int>(wParam) * vs.spaceWidth));
 		return 1;
 
 	case Message::SetXOffset:
-- 
cgit v1.2.3