Qt/debugger: change how the selected line in the code widget looks

Not only it colors the entire row instead of just the address, but if the pc is the selected row, the pc color will overwrite the selection, this is done via a stylesheet.

Source/Core/DolphinQt2/Debugger/CodeViewWidget.cpp

@@ -39,6 +39,7 @@ CodeViewWidget::CodeViewWidget()
   setShowGrid(false);
   setContextMenuPolicy(Qt::CustomContextMenu);
   setSelectionMode(QAbstractItemView::SingleSelection);
+  setSelectionBehavior(QAbstractItemView::SelectRows);
   verticalScrollBar()->setHidden(true);
 
   for (int i = 0; i < columnCount(); i++)
@@ -56,6 +57,7 @@ CodeViewWidget::CodeViewWidget()
   Update();
 
   connect(this, &CodeViewWidget::customContextMenuRequested, this, &CodeViewWidget::OnContextMenu);
+  connect(this, &CodeViewWidget::itemSelectionChanged, this, &CodeViewWidget::OnSelectionChanged);
   connect(&Settings::Instance(), &Settings::DebugFontChanged, this, &QWidget::setFont);
   connect(&Settings::Instance(), &Settings::EmulationStateChanged, this, [this] {
     m_address = PC;
@@ -168,7 +170,7 @@ void CodeViewWidget::Update()
 
     if (addr == GetAddress())
     {
-      addr_item->setSelected(true);
+      selectRow(addr_item->row());
     }
   }
 
@@ -390,6 +392,19 @@ void CodeViewWidget::OnRenameSymbol()
   }
 }
 
+void CodeViewWidget::OnSelectionChanged()
+{
+  if (m_address == PowerPC::ppcState.pc)
+  {
+    setStyleSheet(QString::fromStdString(
+        "QTableView::item:selected {background-color: #00FF00; color: #000000;}"));
+  }
+  else if (!styleSheet().isEmpty())
+  {
+    setStyleSheet(QString::fromStdString(""));
+  }
+}
+
 void CodeViewWidget::OnSetSymbolSize()
 {
   const u32 addr = GetContextAddress();

Source/Core/DolphinQt2/Debugger/CodeViewWidget.h

@@ -49,6 +49,7 @@ private:
   void OnCopyCode();
   void OnCopyHex();
   void OnRenameSymbol();
+  void OnSelectionChanged();
   void OnSetSymbolSize();
   void OnSetSymbolEndAddress();
   void OnRunToHere();