From 7a852f700fb7e0b8211c95ab4e12a7ab2efb0173 Mon Sep 17 00:00:00 2001
From: Sergio Martins <sergio.martins@kdab.com>
Date: Fri, 22 May 2020 12:15:24 +0100
Subject: [PATCH] Save floating geometry right before starting a drag

so if you drop, then set floating again it goes to the original
floating position
---
 src/private/DragController.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/private/DragController.cpp b/src/private/DragController.cpp
index 216e2a55..cd857e42 100644
--- a/src/private/DragController.cpp
+++ b/src/private/DragController.cpp
@@ -175,6 +175,12 @@ StateDragging::~StateDragging() = default;
 
 void StateDragging::onEntry(QEvent *)
 {
+    if (DockWidgetBase *dw = q->m_draggable->singleDockWidget()) {
+        // When we start to drag a floating window which has a single dock widget, we save the position
+        if (dw->isFloating())
+            dw->saveLastFloatingGeometry();
+    }
+
     q->m_windowBeingDragged = q->m_draggable->makeWindow();
     if (q->m_windowBeingDragged) {
         qCDebug(state) << "StateDragging entered. m_draggable=" << q->m_draggable << "; m_windowBeingDragged=" << q->m_windowBeingDragged->floatingWindow();