From 9e65bad8fb326e53868e30ee2c7cdcbeffd6324a Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Fri, 14 May 2021 19:15:06 +1000
Subject: Do not set alpha of SC_ELEMENT_CARET_LINE_BACK unless already has a
 colour.

---
 src/Editor.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/Editor.cxx b/src/Editor.cxx
index 1a0248522..3504c4d35 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -7320,7 +7320,9 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 	case SCI_SETCARETLINEBACKALPHA: {
 			const Layer layerNew = (wParam == SC_ALPHA_NOALPHA) ? Layer::base : Layer::over;
 			vs.caretLine.layer = layerNew;
-			vs.SetElementAlpha(SC_ELEMENT_CARET_LINE_BACK, static_cast<int>(wParam));
+			if (vs.ElementColour(SC_ELEMENT_CARET_LINE_BACK)) {
+				vs.SetElementAlpha(SC_ELEMENT_CARET_LINE_BACK, static_cast<int>(wParam));
+			}
 			InvalidateStyleRedraw();
 		}
 		break;
-- 
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