Merge pull request #8349 from wrdouglass/2.3

Resolve issue 8347 by checking for nullptr.

companion/src/modeledit/inputs.cpp

@@ -351,6 +351,9 @@ void InputsPanel::expoOpen(QListWidgetItem *item)
   if (!item)
     item = ExposlistWidget->currentItem();
 
+  if (item == nullptr) 
+    return;
+
   int idx = item->data(Qt::UserRole).toByteArray().at(0);
   if (idx < 0) {
     int ch = -idx - 1;
@@ -368,7 +371,11 @@ void InputsPanel::expoOpen(QListWidgetItem *item)
 
 void InputsPanel::expoAdd()
 {
-  int index = ExposlistWidget->currentItem()->data(Qt::UserRole).toByteArray().at(0);
+  QListWidgetItem *item = ExposlistWidget->currentItem();
+  if (item == nullptr) 
+    return;
+
+  int index = item->data(Qt::UserRole).toByteArray().at(0);
 
   if (index < 0) {  // if empty then return relevant index
     expoOpen();

companion/src/modeledit/mixes.cpp

@@ -354,7 +354,11 @@ void MixesPanel::mixersDuplicate()
 
 void MixesPanel::mixerOpen()
 {
-  int idx = mixersListWidget->currentItem()->data(Qt::UserRole).toByteArray().at(0);
+  QListWidgetItem *item = mixersListWidget->currentItem();
+  if (item == nullptr) 
+    return;
+
+  int idx = item->data(Qt::UserRole).toByteArray().at(0);
   if(idx < 0) {
     int i = -idx;
     idx = getMixerIndex(i); //get mixer index to insert
@@ -371,7 +375,11 @@ void MixesPanel::mixerOpen()
 
 void MixesPanel::mixerHighlight()
 {
-  int idx = mixersListWidget->currentItem()->data(Qt::UserRole).toByteArray().at(0);
+  QListWidgetItem *item = mixersListWidget->currentItem();
+  if (item == nullptr) 
+    return;
+
+  int idx = item->data(Qt::UserRole).toByteArray().at(0);
   int dest;
   if (idx<0) {
     dest = -idx;