From 0b5840309fc83f0f4eed6a970ca47f24be82aef8 Mon Sep 17 00:00:00 2001
From: Uwe Kindler <uwe_kindler@web.de>
Date: Tue, 15 Nov 2022 15:08:52 +0100
Subject: [PATCH] Added support for runtime switching of CAutoHideDockContainer
 sidebar location

---
 src/AutoHideDockContainer.cpp | 18 ++++++++++++++++++
 src/AutoHideDockContainer.h   |  8 +++++++-
 src/AutoHideSideBar.cpp       |  6 ++++++
 src/ResizeHandle.cpp          | 22 +++++++++++-----------
 4 files changed, 42 insertions(+), 12 deletions(-)

diff --git a/src/AutoHideDockContainer.cpp b/src/AutoHideDockContainer.cpp
index a9d6a28..b5d404b 100644
--- a/src/AutoHideDockContainer.cpp
+++ b/src/AutoHideDockContainer.cpp
@@ -353,6 +353,24 @@ SideBarLocation CAutoHideDockContainer::sideBarLocation() const
 	return d->SideTabBarArea;
 }
 
+
+//============================================================================
+void CAutoHideDockContainer::setSideBarLocation(SideBarLocation SideBarLocation)
+{
+	if (d->SideTabBarArea == SideBarLocation)
+	{
+		return;
+	}
+
+	d->SideTabBarArea = SideBarLocation;
+	d->Layout->removeWidget(d->ResizeHandle);
+	d->Layout->setDirection(isHorizontalArea(SideBarLocation) ? QBoxLayout::TopToBottom : QBoxLayout::LeftToRight);
+	d->Layout->insertWidget(resizeHandleLayoutPosition(SideBarLocation), d->ResizeHandle);
+	d->ResizeHandle->setHandlePosition(edgeFromSideTabBarArea(SideBarLocation));
+    internal::repolishStyle(this, internal::RepolishDirectChildren);
+}
+
+
 //============================================================================
 CDockAreaWidget* CAutoHideDockContainer::dockAreaWidget() const
 {
diff --git a/src/AutoHideDockContainer.h b/src/AutoHideDockContainer.h
index 42cd7cd..d042b40 100644
--- a/src/AutoHideDockContainer.h
+++ b/src/AutoHideDockContainer.h
@@ -66,7 +66,6 @@ protected:
 	virtual void leaveEvent(QEvent *event) override;
 	virtual bool event(QEvent* event) override;
 
-
 	/**
 	 * Updates the size considering the size limits and the resize margins
 	 */
@@ -116,6 +115,13 @@ public:
 	 */
 	SideBarLocation sideBarLocation() const;
 
+	/**
+	 * Sets a new SideBarLocation.
+	 * If a new side bar location is set, the auto hide dock container needs
+	 * to update its resize handle position
+	 */
+	void setSideBarLocation(SideBarLocation SideBarLocation);
+
 	/**
 	 * Returns the dock area widget of this Auto Hide dock container
 	 */
diff --git a/src/AutoHideSideBar.cpp b/src/AutoHideSideBar.cpp
index b16eb58..6a1ebe2 100644
--- a/src/AutoHideSideBar.cpp
+++ b/src/AutoHideSideBar.cpp
@@ -257,11 +257,17 @@ void CAutoHideSideBar::removeAutoHideWidget(CAutoHideDockContainer* AutoHideWidg
 void CAutoHideSideBar::addAutoHideWidget(CAutoHideDockContainer* AutoHideWidget)
 {
 	auto SideBar = AutoHideWidget->autoHideTab()->sideBar();
+	if (SideBar == this)
+	{
+		return;
+	}
+
 	if (SideBar)
 	{
 		SideBar->removeAutoHideWidget(AutoHideWidget);
 	}
 	AutoHideWidget->setParent(d->ContainerWidget);
+	AutoHideWidget->setSideBarLocation(d->SideTabArea);
 	d->ContainerWidget->registerAutoHideWidget(AutoHideWidget);
 	insertTab(-1, AutoHideWidget->autoHideTab());
 }
diff --git a/src/ResizeHandle.cpp b/src/ResizeHandle.cpp
index 84f02d2..ae97984 100644
--- a/src/ResizeHandle.cpp
+++ b/src/ResizeHandle.cpp
@@ -167,18 +167,8 @@ CResizeHandle::CResizeHandle(Qt::Edge HandlePosition, QWidget* parent) :
 	d(new ResizeHandlePrivate(this))
 {
 	d->Target = parent;
-	setHandlePosition(HandlePosition);
 	setMinResizeSize(48);
-	setMaxResizeSize(d->isHorizontal() ? parent->height() : parent->width());
-
-	if (!d->isHorizontal())
-	{
-		setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
-	}
-	else
-	{
-		setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
-	}
+	setHandlePosition(HandlePosition);
 }
 
 
@@ -244,6 +234,16 @@ void CResizeHandle::setHandlePosition(Qt::Edge HandlePosition)
 	case Qt::TopEdge: // fall through
 	case Qt::BottomEdge: setCursor(Qt::SizeVerCursor); break;
 	}
+
+	setMaxResizeSize(d->isHorizontal() ? parentWidget()->height() : parentWidget()->width());
+	if (!d->isHorizontal())
+	{
+		setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+	}
+	else
+	{
+		setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding);
+	}
 }