refactor(widget): replace fontMetrics.width() when using Qt 5.13

src/widget/tool/croppinglabel.cpp

@@ -36,8 +36,7 @@ CroppingLabel::CroppingLabel(QWidget* parent)
     public:
         explicit LineEdit(QWidget* parent = nullptr)
             : QLineEdit(parent)
-        {
-        }
+        {}
 
     protected:
         void keyPressEvent(QKeyEvent* event) override
@@ -106,7 +105,11 @@ QSize CroppingLabel::sizeHint() const
 
 QSize CroppingLabel::minimumSizeHint() const
 {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
+    return QSize(fontMetrics().horizontalAdvance("..."), QLabel::minimumSizeHint().height());
+#else
     return QSize(fontMetrics().width("..."), QLabel::minimumSizeHint().height());
+#endif
 }
 
 void CroppingLabel::mouseReleaseEvent(QMouseEvent* e)
@@ -171,7 +174,11 @@ void CroppingLabel::minimizeMaximumWidth()
 {
     // This function chooses the smallest possible maximum width.
     // Text width + padding. Without padding, we'll have elipses.
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
+    setMaximumWidth(fontMetrics().horizontalAdvance(origText) + fontMetrics().horizontalAdvance("..."));
+#else
     setMaximumWidth(fontMetrics().width(origText) + fontMetrics().width("..."));
+#endif
 }
 
 void CroppingLabel::editingFinished()