Merge pull request #743 from 23rd/patch-15-scroll-tabs

Added scrolling over tabs with wheel to switch channels.

src/widgets/helper/NotebookTab.cpp

@@ -479,6 +479,15 @@ void NotebookTab::mouseMoveEvent(QMouseEvent *event)
     Button::mouseMoveEvent(event);
 }
 
+void NotebookTab::wheelEvent(QWheelEvent *event)
+{
+    if (event->delta() > 0) {
+        this->notebook_->selectPreviousTab();
+    } else {
+        this->notebook_->selectNextTab();
+    }
+}
+
 QRect NotebookTab::getXRect()
 {
     //    if (!this->notebook->getAllowUserTabManagement()) {

src/widgets/helper/NotebookTab.hpp

@@ -61,6 +61,7 @@ protected:
     virtual void dragEnterEvent(QDragEnterEvent *event) override;
 
     virtual void mouseMoveEvent(QMouseEvent *event) override;
+    virtual void wheelEvent(QWheelEvent *event) override;
 
 private:
     bool hasXButton();