From fe5de8f009b1ff0685bf74fe902ba40eac002d72 Mon Sep 17 00:00:00 2001
From: Ilya Fedin <fedin-ilja2010@ya.ru>
Date: Sun, 14 Mar 2021 23:06:44 +0400
Subject: [PATCH] Fix non-working UniqueConnection in gtk file dialog

---
 .../SourceFiles/platform/linux/linux_gtk_file_dialog.cpp   | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Telegram/SourceFiles/platform/linux/linux_gtk_file_dialog.cpp b/Telegram/SourceFiles/platform/linux/linux_gtk_file_dialog.cpp
index 2648e9057a..7228a25279 100644
--- a/Telegram/SourceFiles/platform/linux/linux_gtk_file_dialog.cpp
+++ b/Telegram/SourceFiles/platform/linux/linux_gtk_file_dialog.cpp
@@ -147,6 +147,8 @@ private:
 	rpl::event_stream<> _accept;
 	rpl::event_stream<> _reject;
 
+	bool _destroyedConnected = false;
+
 };
 
 class GtkFileDialog : public QDialog {
@@ -261,8 +263,9 @@ void QGtkDialog::exec() {
 }
 
 void QGtkDialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWindow *parent) {
-	connect(parent, &QWindow::destroyed, this, [=] { onParentWindowDestroyed(); },
-			Qt::UniqueConnection);
+	if (!std::exchange(_destroyedConnected, true)) {
+		connect(parent, &QWindow::destroyed, this, [=] { onParentWindowDestroyed(); });
+	}
 	setParent(parent);
 	setFlags(flags);
 	setModality(modality);