From c9aa60b5929d773d0dbff1642d94512a63f77c25 Mon Sep 17 00:00:00 2001
From: slidinghotdog <33790211+slidinghotdog@users.noreply.github.com>
Date: Fri, 17 Dec 2021 01:07:39 -0300
Subject: [PATCH 1/3] Listen to KWindowSystem::showingDesktopChanged to show
 panel if Hide only on overlap is enabled

---
 panel/lxqtpanel.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/panel/lxqtpanel.cpp b/panel/lxqtpanel.cpp
index 1598c5efa..f1c1d2aef 100644
--- a/panel/lxqtpanel.cpp
+++ b/panel/lxqtpanel.cpp
@@ -282,6 +282,13 @@ LXQtPanel::LXQtPanel(const QString &configGroup, LXQt::Settings *settings, QWidg
                 mShowDelayTimer.start();
         }
     });
+    connect(KWindowSystem::self(), &KWindowSystem::showingDesktopChanged, this, [this] (bool showing) {
+        if (showing && mHidable && mHideOnOverlap) {
+            mHideTimer.stop();
+            if (mHidden)
+                mShowDelayTimer.start();
+        }
+    });
 }
 
 /************************************************

From d5124abd0828d76874463499e9f5faace5d73607 Mon Sep 17 00:00:00 2001
From: slidinghotdog <33790211+slidinghotdog@users.noreply.github.com>
Date: Sat, 18 Dec 2021 05:24:52 -0300
Subject: [PATCH 2/3] prevent hiding again when showing desktop

---
 panel/lxqtpanel.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/panel/lxqtpanel.cpp b/panel/lxqtpanel.cpp
index f1c1d2aef..a081ad38b 100644
--- a/panel/lxqtpanel.cpp
+++ b/panel/lxqtpanel.cpp
@@ -1467,7 +1467,8 @@ void LXQtPanel::hidePanelWork()
 {
     if (!testAttribute(Qt::WA_UnderMouse))
     {
-        if (!mStandaloneWindows->isAnyWindowShown())
+        if (!mStandaloneWindows->isAnyWindowShown()
+            && !(mHideOnOverlap && KWindowSystem::showingDesktop()))
         {
             if (!mHideOnOverlap || isPanelOverlapped())
             {

From 2c5d1d79c7bfbe8301fb455e1ea073b11226fc05 Mon Sep 17 00:00:00 2001
From: slidinghotdog <33790211+slidinghotdog@users.noreply.github.com>
Date: Sat, 18 Dec 2021 17:25:42 -0300
Subject: [PATCH 3/3] start hide timer so it triggers again when something
 changes

---
 panel/lxqtpanel.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/panel/lxqtpanel.cpp b/panel/lxqtpanel.cpp
index a081ad38b..bc9213f77 100644
--- a/panel/lxqtpanel.cpp
+++ b/panel/lxqtpanel.cpp
@@ -284,9 +284,8 @@ LXQtPanel::LXQtPanel(const QString &configGroup, LXQt::Settings *settings, QWidg
     });
     connect(KWindowSystem::self(), &KWindowSystem::showingDesktopChanged, this, [this] (bool showing) {
         if (showing && mHidable && mHideOnOverlap) {
-            mHideTimer.stop();
-            if (mHidden)
-                mShowDelayTimer.start();
+            showPanel(mAnimationTime > 0);
+            mHideTimer.start();
         }
     });
 }