From 1eb76ba48c2e75be22c66d5ba3bbebc3f4bc9981 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Wed, 8 Jul 2015 20:22:21 +0200
Subject: [PATCH] + support dynamic property 'fold' in TaskHeader

---
 src/Gui/QSint/actionpanel/taskheader_p.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/Gui/QSint/actionpanel/taskheader_p.cpp b/src/Gui/QSint/actionpanel/taskheader_p.cpp
index e8f2497a2..3bb00232a 100644
--- a/src/Gui/QSint/actionpanel/taskheader_p.cpp
+++ b/src/Gui/QSint/actionpanel/taskheader_p.cpp
@@ -17,6 +17,7 @@
 #include <QPainter>
 #include <QMouseEvent>
 #include <QApplication>
+#include <QStyle>
 
 
 namespace QSint
@@ -69,6 +70,7 @@ void TaskHeader::setExpandable(bool expandable)
         myButton->setFixedSize(myScheme->headerButtonSize);
         layout()->addWidget(myButton);
         changeIcons();
+        myButton->setProperty("fold", m_fold);
 
     } else {
         myExpandable = false;
@@ -197,6 +199,14 @@ void TaskHeader::fold()
 
     m_fold = !m_fold;
     changeIcons();
+    if (myButton) {
+      myButton->setProperty("fold", m_fold);
+      if (myButton->style()) {
+        myButton->style()->unpolish(myButton);
+        myButton->style()->polish(myButton);
+        myButton->update();
+      }
+    }
   }
 }