Rename MM::MuteColunm to MM::HideColumn.

MM.h

@@ -90,7 +90,7 @@ public:
 
   // Enumerations
   enum ItemColumn {
-    MuteColunm,
+    HideColumn,
     IconAndNameColum,
     GroupButtonColum
   };

MainWindow.cpp

@@ -217,7 +217,7 @@ void MainWindow::handlePaintItemSelected(QListWidgetItem* item)
 void MainWindow::handleMappingItemSelected(const QModelIndex &index)
 {
   if (index.isValid()) {
-    if (index.column() == MM::MuteColunm) {
+    if (index.column() == MM::HideColumn) {
       mappingListModel->setVisibility(index);
     }
   }

MappingItemDelegate.cpp

@@ -35,7 +35,7 @@ void MappingItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &o
     if (option.state & QStyle::State_Selected)
       painter->fillRect(rect, MM::DARK_GRAY);
 
-    if (index.column() == MM::MuteColunm) {
+    if (index.column() == MM::HideColumn) {
       bool isVisible = index.model()->data(index, Qt::CheckStateRole).toBool();
       if (isVisible) {
         QStyleOptionToolButton mappingMuteButton;

MappingListModel.cpp

@@ -51,7 +51,7 @@ QVariant MappingListModel::data(const QModelIndex &index, int role) const
     return mappingList.at(index.row()).isVisible ? Qt::Checked : Qt::Unchecked;
     break;
   case Qt::SizeHintRole:
-    if (index.column() == MM::MuteColunm)
+    if (index.column() == MM::HideColumn)
       return QSize(20, 40);
     if (index.column() == MM::IconAndNameColum)
       return QSize(140, 40);
@@ -197,7 +197,7 @@ uid MappingListModel::getItemId(const QModelIndex &index) const
 
 void MappingListModel::setVisibility(const QModelIndex &index)
 {
-  if (index.isValid() && index.column() == MM::MuteColunm) {
+  if (index.isValid() && index.column() == MM::HideColumn) {
     setData(index, !(mappingList.at(index.row()).isVisible), Qt::CheckStateRole);
   }
 }