Move isDarkTheme() to QQuickStylePrivate

QQuickStyleAttached is being generalized to a recursive attached
object type that can be used for palettes too, which are planned
to be used for the upcoming image-based style.

Change-Id: I4c1d25624ee11bb0ec6cd5ee2656c36e622e2139
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 1 insertions, 3 deletions

diff --git a/src/imports/controls/universal/qquickuniversalstyle.cpp b/src/imports/controls/universal/qquickuniversalstyle.cpp
index 7257683c..8afb4e29 100644
--- a/src/imports/controls/universal/qquickuniversalstyle.cpp
+++ b/src/imports/controls/universal/qquickuniversalstyle.cpp
@@ -132,12 +132,10 @@ static QRgb qquickuniversal_accent_color(QQuickUniversalStyle::Color accent)
     return colors[accent];
 }
 
-extern bool qt_is_dark_system_theme();
-
 static QQuickUniversalStyle::Theme qquickuniversal_effective_theme(QQuickUniversalStyle::Theme theme)
 {
     if (theme == QQuickUniversalStyle::System)
-        theme = qt_is_dark_system_theme() ? QQuickUniversalStyle::Dark : QQuickUniversalStyle::Light;
+        theme = QQuickStylePrivate::isDarkSystemTheme() ? QQuickUniversalStyle::Dark : QQuickUniversalStyle::Light;
     return theme;
 }