Merge pull request MichaelVoelkel#4 from michail-peterlis/master

moved slot from lambda to a dinstinct public slot method to access it from outside

Section.cpp

@@ -16,7 +16,7 @@
 
     You should have received a copy of the GNU General Public License
     along with Elypson/qt-collapsible-section. If not, see <http://www.gnu.org/licenses/>.
-*/    
+*/
 
 #include <QPropertyAnimation>
 
@@ -62,14 +62,17 @@ Section::Section(const QString & title, const int animationDuration, QWidget* pa
     mainLayout->addWidget(contentArea, row, 0, 1, 3);
     setLayout(mainLayout);
 
-    QObject::connect(toggleButton, &QToolButton::toggled, [this](const bool checked)
-    {
-        toggleButton->setArrowType(checked ? Qt::ArrowType::DownArrow : Qt::ArrowType::RightArrow);
-        toggleAnimation->setDirection(checked ? QAbstractAnimation::Forward : QAbstractAnimation::Backward);
-        toggleAnimation->start();
-    });
+    connect(toggleButton, &QToolButton::toggled, this, &Section::toggle);
 }
 
+
+void Section::toggle(bool collapsed) {
+    toggleButton->setArrowType(collapsed ? Qt::ArrowType::DownArrow : Qt::ArrowType::RightArrow);
+    toggleAnimation->setDirection(collapsed ? QAbstractAnimation::Forward : QAbstractAnimation::Backward);
+    toggleAnimation->start();
+}
+
+
 void Section::setContentLayout(QLayout & contentLayout)
 {
     delete contentArea->layout();

Section.h

@@ -16,7 +16,7 @@
 
     You should have received a copy of the GNU General Public License
     along with Elypson/qt-collapsible-section. If not, see <http://www.gnu.org/licenses/>.
-*/    
+*/
 
 #ifndef SECTION_H
 #define SECTION_H
@@ -39,6 +39,12 @@ class Section : public QWidget {
     QScrollArea* contentArea;
     int animationDuration;
 
+
+public slots:
+
+    void toggle(bool collapsed);
+
+
 public:
     explicit Section(const QString & title = "", const int animationDuration = 100, QWidget* parent = 0);