From 3ab2ef5924fb2e8a61b72dea79f3c381daee4e59 Mon Sep 17 00:00:00 2001
From: Tom Poole <tom@juce.com>
Date: Tue, 5 Jul 2022 15:24:33 +0100
Subject: [PATCH] DemoRunner: Fix a crash in MidiDemo

---
 examples/Audio/MidiDemo.h                        | 3 ++-
 modules/juce_gui_basics/widgets/juce_ListBox.cpp | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/examples/Audio/MidiDemo.h b/examples/Audio/MidiDemo.h
index b5e732e921..f6fed0698e 100644
--- a/examples/Audio/MidiDemo.h
+++ b/examples/Audio/MidiDemo.h
@@ -247,10 +247,11 @@ private:
         MidiDeviceListBox (const String& name,
                            MidiDemo& contentComponent,
                            bool isInputDeviceList)
-            : ListBox (name, this),
+            : ListBox (name),
               parent (contentComponent),
               isInput (isInputDeviceList)
         {
+            setModel (this);
             setOutlineThickness (1);
             setMultipleSelectionEnabled (true);
             setClickingTogglesRowSelection (true);
diff --git a/modules/juce_gui_basics/widgets/juce_ListBox.cpp b/modules/juce_gui_basics/widgets/juce_ListBox.cpp
index b2c8f8c1e2..e94db2abb0 100644
--- a/modules/juce_gui_basics/widgets/juce_ListBox.cpp
+++ b/modules/juce_gui_basics/widgets/juce_ListBox.cpp
@@ -350,6 +350,7 @@ public:
         auto newY = content.getY();
         auto newW = jmax (owner.minimumRowWidth, getMaximumVisibleWidth());
         auto newH = owner.totalItems * owner.getRowHeight();
+        DBG (owner.totalItems);
 
         if (newY + newH < getMaximumVisibleHeight() && newH > getMaximumVisibleHeight())
             newY = getMaximumVisibleHeight() - newH;