qt, refactor: Fix 'split is deprecated' warnings

1 files changed, 21 insertions, 0 deletions

diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
index 47145d6f85..c976b4b4bb 100644
--- a/src/qt/guiutil.h
+++ b/src/qt/guiutil.h
@@ -320,6 +320,27 @@ namespace GUIUtil
     bool HasPixmap(const QLabel* label);
     QImage GetImage(const QLabel* label);
 
+    /**
+     * Splits the string into substrings wherever separator occurs, and returns
+     * the list of those strings. Empty strings do not appear in the result.
+     *
+     * QString::split() signature differs in different Qt versions:
+     *  - QString::SplitBehavior is deprecated since Qt 5.15
+     *  - Qt::SplitBehavior was introduced in Qt 5.14
+     * If {QString|Qt}::SkipEmptyParts behavior is required, use this
+     * function instead of QString::split().
+     */
+    template <typename SeparatorType>
+    QStringList SplitSkipEmptyParts(const QString& string, const SeparatorType& separator)
+    {
+    #if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+        return string.split(separator, Qt::SkipEmptyParts);
+    #else
+        return string.split(separator, QString::SkipEmptyParts);
+    #endif
+    }
+
+
 } // namespace GUIUtil
 
 #endif // BITCOIN_QT_GUIUTIL_H