From 5e8966ed39a3bbfe1be7b265c5012ccf893b81de Mon Sep 17 00:00:00 2001
From: Filippo Gentile <filippogentile@disroot.org>
Date: Fri, 10 May 2024 10:57:50 +0200
Subject: [PATCH] LXQtTaskbarX11Backend: fix re-add window after property
 changes

---
 panel/backends/xcb/lxqttaskbarbackend_x11.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/panel/backends/xcb/lxqttaskbarbackend_x11.cpp b/panel/backends/xcb/lxqttaskbarbackend_x11.cpp
index d09de3113..fe0452776 100644
--- a/panel/backends/xcb/lxqttaskbarbackend_x11.cpp
+++ b/panel/backends/xcb/lxqttaskbarbackend_x11.cpp
@@ -40,10 +40,18 @@ LXQtTaskbarX11Backend::LXQtTaskbarX11Backend(QObject *parent)
 void LXQtTaskbarX11Backend::onWindowChanged(WId windowId, NET::Properties prop, NET::Properties2 prop2)
 {
     if(!m_windows.contains(windowId))
+    {
+        // If already known window changes its property in a way
+        // it's now acceptable, add it again to taskbar
+        if(acceptWindow(windowId))
+            onWindowAdded(windowId);
         return;
+    }
 
     if(!acceptWindow(windowId))
     {
+        // If already known window changes its property in a way
+        // it's not anymore accepted, remove it from taskbar
         onWindowRemoved(windowId);
         return;
     }