Cleanup ComputerModel and remove root Frame from PcView

app/gui/PcView.qml

@@ -5,9 +5,6 @@ import QtQuick.Layouts 1.11
 
 import ComputerModel 1.0
 
-Frame {
-    anchors.fill: parent
-
 GridView {
     anchors.fill: parent
     anchors.leftMargin: 5
@@ -102,7 +99,6 @@ Frame {
             }
         }
     }
-    }
 
     MessageDialog {
         id: pairDialog

app/gui/computermodel.cpp

@@ -27,10 +27,8 @@ QVariant ComputerModel::data(const QModelIndex& index, int role) const
             return QVariant();
         }
     }
-    else if (index.row() > m_Computers.count()) {
-        qWarning() << "Index out of bounds: " << index.row();
-        return QVariant();
-    }
+
+    Q_ASSERT(index.row() < m_Computers.count());
 
     NvComputer* computer = m_Computers[index.row()];
     QReadLocker lock(&computer->lock);

app/gui/computermodel.h

@@ -4,6 +4,8 @@
 
 class ComputerModel : public QAbstractListModel
 {
+    Q_OBJECT
+
     enum Roles
     {
         NameRole = Qt::UserRole,
@@ -14,7 +16,7 @@ class ComputerModel : public QAbstractListModel
     };
 
 public:
-    ComputerModel(QObject* object = nullptr);
+    explicit ComputerModel(QObject* object = nullptr);
 
     QVariant data(const QModelIndex &index, int role) const override;