Use QLatin1String and QLatin1Char

src/plugins/find/searchresulttreeitemdelegate.cpp

@@ -48,7 +48,7 @@ SearchResultTreeItemDelegate::SearchResultTreeItemDelegate(QObject *parent)
 
 void SearchResultTreeItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
 {
-    if (index.model()->data(index, ItemDataRoles::TypeRole).toString().compare("file") == 0) {
+    if (index.model()->data(index, ItemDataRoles::TypeRole).toString().compare(QLatin1String("file")) == 0) {
         QItemDelegate::paint(painter, option, index);
     } else {
         painter->save();
@@ -92,7 +92,7 @@ int SearchResultTreeItemDelegate::drawLineNumber(QPainter *painter, const QStyle
     int lineNumber = index.model()->data(index, ItemDataRoles::ResultLineNumberRole).toInt();
     int lineNumberDigits = (int)floor(log10((double)lineNumber)) + 1;
     int minimumLineNumberDigits = qMax((int)m_minimumLineNumberDigits, lineNumberDigits);
-    int fontWidth = painter->fontMetrics().width(QString(minimumLineNumberDigits, '0'));
+    int fontWidth = painter->fontMetrics().width(QString(minimumLineNumberDigits, QLatin1Char('0')));
     int lineNumberAreaWidth = lineNumberAreaHorizontalPadding + fontWidth + lineNumberAreaHorizontalPadding;
     QRect lineNumberAreaRect(option.rect);
     lineNumberAreaRect.setWidth(lineNumberAreaWidth);

src/plugins/find/searchresulttreemodel.cpp

@@ -48,7 +48,7 @@ SearchResultTreeModel::SearchResultTreeModel(QObject *parent)
     , m_showReplaceUI(false)
 {
     m_rootItem = new SearchResultTreeItem;
-    m_textEditorFont = QFont("Courier");
+    m_textEditorFont = QFont(QLatin1String("Courier"));
 }
 
 SearchResultTreeModel::~SearchResultTreeModel()
@@ -212,7 +212,7 @@ QVariant SearchResultTreeModel::data(const SearchResultTextRow *row, int role) c
         result = row->searchTermLength();
         break;
     case ItemDataRoles::TypeRole:
-        result = "row";
+        result = QLatin1String("row");
         break;
     case ItemDataRoles::FileNameRole:
         {

src/plugins/find/searchresulttreeview.cpp

@@ -77,7 +77,7 @@ void SearchResultTreeView::appendResultLines(const QList<Find::SearchResultItem>
 
 void SearchResultTreeView::emitJumpToSearchResult(const QModelIndex &index)
 {
-    if (model()->data(index, ItemDataRoles::TypeRole).toString().compare("row") != 0)
+    if (model()->data(index, ItemDataRoles::TypeRole).toString().compare(QLatin1String("row")) != 0)
         return;
 
     int position = model()->data(index, ItemDataRoles::ResultIndexRole).toInt();

src/plugins/find/searchresultwindow.cpp

@@ -113,7 +113,7 @@ SearchResultWindow::SearchResultWindow() : d(new SearchResultWindowPrivate)
     d->m_expandCollapseToolButton = new QToolButton(d->m_widget);
     d->m_expandCollapseToolButton->setAutoRaise(true);
     d->m_expandCollapseToolButton->setCheckable(true);
-    d->m_expandCollapseToolButton->setIcon(QIcon(":/find/images/expand.png"));
+    d->m_expandCollapseToolButton->setIcon(QIcon(QLatin1String(":/find/images/expand.png")));
     d->m_expandCollapseToolButton->setToolTip(tr("Expand All"));
 
     d->m_replaceLabel = new QLabel(tr("Replace with:"), d->m_widget);