Move PreselectFirstFileInDirectory theme hint from QGtk3Theme to QGnomeTheme

It doesn't use any gtk API, so can live in QGnomeTheme

Change-Id: Iff0391de6f01a03981f6e45b04fe9824fd2becfc
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
(cherry picked from commit cf6ab64f03723e254af9a28f431f076cffc7d54a)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

2 files changed, 2 insertions, 2 deletions

diff --git a/src/gui/platform/unix/qgenericunixthemes.cpp b/src/gui/platform/unix/qgenericunixthemes.cpp
index d90d5de098..62ef0636c7 100644
--- a/src/gui/platform/unix/qgenericunixthemes.cpp
+++ b/src/gui/platform/unix/qgenericunixthemes.cpp
@@ -726,6 +726,8 @@ QVariant QGnomeTheme::themeHint(QPlatformTheme::ThemeHint hint) const
     case QPlatformTheme::ButtonPressKeys:
         return QVariant::fromValue(
                 QList<Qt::Key>({ Qt::Key_Space, Qt::Key_Return, Qt::Key_Enter, Qt::Key_Select }));
+    case QPlatformTheme::PreselectFirstFileInDirectory:
+        return true;
     default:
         break;
     }
diff --git a/src/plugins/platformthemes/gtk3/qgtk3theme.cpp b/src/plugins/platformthemes/gtk3/qgtk3theme.cpp
index 8551966678..44d9db8530 100644
--- a/src/plugins/platformthemes/gtk3/qgtk3theme.cpp
+++ b/src/plugins/platformthemes/gtk3/qgtk3theme.cpp
@@ -116,8 +116,6 @@ QVariant QGtk3Theme::themeHint(QPlatformTheme::ThemeHint hint) const
         return QVariant(gtkSetting("gtk-icon-theme-name"));
     case QPlatformTheme::SystemIconFallbackThemeName:
         return QVariant(gtkSetting("gtk-fallback-icon-theme"));
-    case QPlatformTheme::PreselectFirstFileInDirectory:
-        return true;
     default:
         return QGnomeTheme::themeHint(hint);
     }