Refresh thumbnail strip layout when it becomes visible

qrenderdoc/Widgets/ThumbnailStrip.cpp

@@ -71,6 +71,11 @@ void ThumbnailStrip::mousePressEvent(QMouseEvent *event)
   emit(mouseClick(event));
 }
 
+void ThumbnailStrip::showEvent(QShowEvent *event)
+{
+  RefreshLayout();
+}
+
 void ThumbnailStrip::RefreshLayout()
 {
   QRect avail = geometry();

qrenderdoc/Widgets/ThumbnailStrip.h

@@ -55,6 +55,7 @@ signals:
 private:
   void resizeEvent(QResizeEvent *event) override;
   void mousePressEvent(QMouseEvent *event) override;
+  void showEvent(QShowEvent *event) override;
 
   QVector<ResourcePreview *> m_Thumbnails;