Address Qt 6.7 deprecation warning

(cherry picked from commit 44633c7f729e79ea023f2a5ccbbdd0002411619f)

diff --git a/src/frontends/qt/GuiKeySymbol.cpp b/src/frontends/qt/GuiKeySymbol.cpp
index 083bc5f8848cda5f3031e3ff614154c772ef77b7..b785791c85ed77f8140d53ce43203abc7f1b79c5 100644 (file)
--- a/src/frontends/qt/GuiKeySymbol.cpp
+++ b/src/frontends/qt/GuiKeySymbol.cpp
@@ -267,7 +267,12 @@ static int string_to_qkey(std::string const & str)
        if (str == "twosuperior") return Qt::Key_twosuperior;
        if (str == "threesuperior") return Qt::Key_threesuperior;
        if (str == "acute") return Qt::Key_acute;
-       if (str == "mu") return Qt::Key_mu;
+       if (str == "mu")
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 7, 0))
+               return Qt::Key_micro;
+#else
+               return Qt::Key_mu;
+#endif
        if (str == "paragraph") return Qt::Key_paragraph;
        if (str == "periodcentered") return Qt::Key_periodcentered;
        if (str == "cedilla") return Qt::Key_cedilla;
@@ -590,7 +595,14 @@ static std::string const qkey_to_string(int lkey)
        case Qt::Key_twosuperior: return "twosuperior";
        case Qt::Key_threesuperior: return "threesuperior";
        case Qt::Key_acute: return "acute";
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 7, 0))
+       // FIXME: Qt::Key_mu has been deprecated in Qt 6.7
+       // since it is a misnomer. Change our return string, too?
+       // If so, don't forget string_to_qkey()
+       case Qt::Key_micro: return "mu";
+#else
        case Qt::Key_mu: return "mu";
+#endif
        case Qt::Key_paragraph: return "paragraph";
        case Qt::Key_periodcentered: return "periodcentered";
        case Qt::Key_cedilla: return "cedilla";