From bd97e46bc614bb86ff18ab493240dc9be2dabd05 Mon Sep 17 00:00:00 2001
From: Zufu Liu <unknown>
Date: Wed, 29 Oct 2025 17:10:25 +1100
Subject: Feature [feature-requests:#1567]. Fix bug when indenting rectangular
 selection.

---
 src/Editor.cxx | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/Editor.cxx b/src/Editor.cxx
index 9f3999b08..eb31d40f9 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -4155,6 +4155,12 @@ int Editor::KeyDownWithModifiers(Keys key, KeyMod modifiers, bool *consumed) {
 
 void Editor::Indent(bool forwards, bool lineIndent) {
 	UndoGroup ug(pdoc);
+	// Avoid problems with recalculating rectangular range multiple times by temporarily
+	// treating rectangular selection as multiple stream selection.
+	const Selection::SelTypes selType = sel.selType;
+	if (sel.IsRectangular()) {
+		sel.selType = Selection::SelTypes::stream;
+	}
 	for (size_t r=0; r<sel.Count(); r++) {
 		const Sci::Line lineOfAnchor =
 			pdoc->SciLineFromPosition(sel.Range(r).anchor.Position());
@@ -4231,6 +4237,8 @@ void Editor::Indent(bool forwards, bool lineIndent) {
 			}
 		}
 	}
+	sel.selType = selType;	// Restore rectangular mode
+	ThinRectangularRange();
 	ContainerNeedsUpdate(Update::Selection);
 }
 
-- 
cgit v1.2.3