From 005dc0165e6d4547587314737820c717658fe7eb Mon Sep 17 00:00:00 2001
From: Lukas Holecek <hluk@email.cz>
Date: Sun, 10 Nov 2024 20:44:38 +0100
Subject: [PATCH] Wayland: Update code from kguiaddons (commit 333ba24)

---
 src/platform/x11/systemclipboard/waylandclipboard.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/platform/x11/systemclipboard/waylandclipboard.cpp b/src/platform/x11/systemclipboard/waylandclipboard.cpp
index c9fb5d967..94d718f9e 100644
--- a/src/platform/x11/systemclipboard/waylandclipboard.cpp
+++ b/src/platform/x11/systemclipboard/waylandclipboard.cpp
@@ -249,7 +249,9 @@ class DataControlOffer : public QMimeData, public QtWayland::zwlr_data_control_o
 protected:
     void zwlr_data_control_offer_v1_offer(const QString &mime_type) override
     {
-        m_receivedFormats << mime_type;
+        if (!m_receivedFormats.contains(mime_type)) {
+            m_receivedFormats << mime_type;
+        }
     }
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)