From c335e7ba246b842c036fd7a18e7d83ceb153b0ba Mon Sep 17 00:00:00 2001
From: Lawrence Lee <billee@ucdavis.edu>
Date: Sat, 10 Oct 2020 11:56:13 -0700
Subject: [PATCH] Fix bug with vectorscope not updating

The scope would not redraw after switching from one vectorscope to
another. This commit sets the drawing area dirty when the scope type
changes.
---
 rtgui/histogrampanel.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/rtgui/histogrampanel.cc b/rtgui/histogrampanel.cc
index 8946a5e35..63d299fa5 100644
--- a/rtgui/histogrampanel.cc
+++ b/rtgui/histogrampanel.cc
@@ -497,6 +497,8 @@ void HistogramPanel::type_selected(Gtk::RadioButton* button)
     if (histogramRGBArea) {
         updateHistRGBAreaOptions();
     }
+    histogramArea->setDirty(true);
+    histogramArea->queue_draw();
 }
 
 void HistogramPanel::type_changed()