From ad06241c9d1e61574191cb7f29c650a90a620f48 Mon Sep 17 00:00:00 2001
From: ruffianhy <ruffian_hy@126.com>
Date: Mon, 14 Mar 2022 04:22:07 +0800
Subject: [PATCH] fix(issue-350): on RedHat/CentOS, sometimes there will be one
 more move event after user release their mouse which will cause the floating
 overlay can not be hide. Here we use the WindowActivate and WindowDeactivate
 event to check whether user release their mouse. (#401)

---
 src/FloatingDockContainer.cpp | 21 +++++++++++++++++++--
 src/FloatingDockContainer.h   |  1 +
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/FloatingDockContainer.cpp b/src/FloatingDockContainer.cpp
index ceb308a..b1aaba9 100644
--- a/src/FloatingDockContainer.cpp
+++ b/src/FloatingDockContainer.cpp
@@ -1239,12 +1239,12 @@ void CFloatingDockContainer::resizeEvent(QResizeEvent *event)
 	Super::resizeEvent(event);
 }
 
-
+static bool s_mousePressed = false;
 //============================================================================
 void CFloatingDockContainer::moveEvent(QMoveEvent *event)
 {
 	Super::moveEvent(event);
-	if (!d->IsResizing && event->spontaneous())
+	if (!d->IsResizing && event->spontaneous() && s_mousePressed)
 	{
 		d->DraggingState = DraggingFloatingWidget;
 		d->updateDropOverlays(QCursor::pos());
@@ -1252,6 +1252,23 @@ void CFloatingDockContainer::moveEvent(QMoveEvent *event)
 	d->IsResizing = false;
 }
 
+//============================================================================
+bool CFloatingDockContainer::event(QEvent *e)
+{
+	bool result = Super::event(e);
+	switch (e->type())
+	{
+	case QEvent::WindowActivate:
+		s_mousePressed = false;
+		break;
+	case QEvent::WindowDeactivate:
+		s_mousePressed = true;
+		break;
+	default:
+		break;
+	}
+	return result;
+}
 
 //============================================================================
 bool CFloatingDockContainer::hasNativeTitleBar()
diff --git a/src/FloatingDockContainer.h b/src/FloatingDockContainer.h
index c08155c..f91fe61 100644
--- a/src/FloatingDockContainer.h
+++ b/src/FloatingDockContainer.h
@@ -188,6 +188,7 @@ protected: // reimplements QWidget
 #ifdef Q_OS_LINUX
 	virtual void moveEvent(QMoveEvent *event) override;
 	virtual void resizeEvent(QResizeEvent *event) override;
+	virtual bool event(QEvent *e) override;
 #endif
 
 #ifdef Q_OS_WIN