From 5fbc670630c8230c96176e72697ee1ddc7135a1b Mon Sep 17 00:00:00 2001
From: Jake Harr <jakeharr@gmail.com>
Date: Sat, 30 Jun 2018 19:10:03 -0400
Subject: [PATCH] MainWindow: Use mouse forward/back button to change image

---
 src/mainwindow.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 781ab980..5459e6df 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -487,6 +487,20 @@ bool MainWindow::eventFilter(QObject* watched, QEvent* event) {
         }
         break;
       }
+      case QEvent::MouseButtonPress: {
+        QMouseEvent* mouseEvent = static_cast<QMouseEvent*>(event);
+        switch (mouseEvent->button()) {
+          case Qt::ForwardButton:
+            on_actionNext_triggered(); // next image
+            break;
+          case Qt::BackButton:
+            on_actionPrevious_triggered(); // previous image
+            break;
+          default:
+            break;
+        }
+        break;
+      }
       case QEvent::MouseButtonDblClick: {
         QMouseEvent* mouseEvent = static_cast<QMouseEvent*>(event);
         if(mouseEvent->button() == Qt::LeftButton)