citra-qt: Add helper function to get a monospace QFont

src/citra_qt/util/util.cpp

@@ -0,0 +1,13 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "util.h"
+
+QFont GetMonospaceFont() {
+    QFont font("monospace");
+    // Automatic fallback to a monospace font on on platforms without a font called "monospace"
+    font.setStyleHint(QFont::Monospace);
+    font.setFixedPitch(true);
+    return font;
+}