From d6e8a1c133e7ba75c1ad108c76d77deae55ffec5 Mon Sep 17 00:00:00 2001
From: joshua <Joshua@qelectrotech.org>
Date: Sat, 13 Aug 2022 13:06:46 +0200
Subject: [PATCH] Element editor : improve deletion speed

---
 sources/editor/elementscene.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sources/editor/elementscene.cpp b/sources/editor/elementscene.cpp
index 82584ace3..f2346bd9a 100644
--- a/sources/editor/elementscene.cpp
+++ b/sources/editor/elementscene.cpp
@@ -745,9 +745,19 @@ void ElementScene::addItems(QVector<QGraphicsItem *> items)
  */
 void ElementScene::removeItems(QVector<QGraphicsItem *> items)
 {
+	const int previous_selected_count{selectedItems().size()};
+
+		//block signal to avoid multiple emit of selection changed,
+		//we emit this signal only once at the end of this function.
+	blockSignals(true);
 	for (const auto &item : items) {
 		removeItem(item);
 	}
+	blockSignals(false);
+
+	if (previous_selected_count != selectedItems().size()) {
+		emit selectionChanged();
+	}
 
 	emit partsRemoved();
 }