From f82aeb892ed74aa2eb7f588b4537c908bce4eec2 Mon Sep 17 00:00:00 2001
From: Gary Wang <wzc782970009@gmail.com>
Date: Tue, 8 Oct 2019 12:19:19 +0800
Subject: [PATCH] fix zoom on top-left will not update navigatorview region

---
 mainwindow.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mainwindow.cpp b/mainwindow.cpp
index ddcb831..dad420a 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -58,6 +58,7 @@ MainWindow::MainWindow(QWidget *parent) :
         m_gv->rotate(angle);
         m_gv->fitInView(m_gv->sceneRect(), Qt::KeepAspectRatio);
         m_gv->setVisible(required);
+        m_gv->updateMainViewportRegion();
     });
 
     connect(m_graphicsView, &GraphicsView::viewportRectChanged,