Added ability to rotate pinned imaged (#2737)

src/tools/pin/pinwidget.cpp

@@ -173,6 +173,22 @@ bool PinWidget::gestureEvent(QGestureEvent* event)
     return true;
 }
 
+void PinWidget::rotateLeft()
+{
+    m_sizeChanged = true;
+
+    auto rotateTransform = QTransform().rotate(270);
+    m_pixmap = m_pixmap.transformed(rotateTransform);
+}
+
+void PinWidget::rotateRight()
+{
+    m_sizeChanged = true;
+
+    auto rotateTransform = QTransform().rotate(90);
+    m_pixmap = m_pixmap.transformed(rotateTransform);
+}
+
 bool PinWidget::event(QEvent* event)
 {
     if (event->type() == QEvent::Gesture) {
@@ -240,6 +256,18 @@ void PinWidget::showContextMenu(const QPoint& pos)
       &saveToFileAction, &QAction::triggered, this, &PinWidget::saveToFile);
     contextMenu.addAction(&saveToFileAction);
 
+    contextMenu.addSeparator();
+
+    QAction rotateRightAction(tr("Rotate Right"), this);
+    connect(
+      &rotateRightAction, &QAction::triggered, this, &PinWidget::rotateRight);
+    contextMenu.addAction(&rotateRightAction);
+
+    QAction rotateLeftAction(tr("Rotate Left"), this);
+    connect(
+      &rotateLeftAction, &QAction::triggered, this, &PinWidget::rotateLeft);
+    contextMenu.addAction(&rotateLeftAction);
+
     QAction closePinAction(tr("Close"), this);
     connect(&closePinAction, &QAction::triggered, this, &PinWidget::closePin);
     contextMenu.addSeparator();

src/tools/pin/pinwidget.h

@@ -35,6 +35,9 @@ private:
     void pinchTriggered(QPinchGesture*);
     void closePin();
 
+    void rotateLeft();
+    void rotateRight();
+
     QPixmap m_pixmap;
     QVBoxLayout* m_layout;
     QLabel* m_label;
@@ -45,6 +48,7 @@ private:
 
     bool m_expanding{ false };
     qreal m_scaleFactor{ 1 };
+    unsigned int m_rotateFactor{ 0 };
     qreal m_currentStepScaleFactor{ 1 };
     bool m_sizeChanged{ false };