Support antialias and rgba Xft settings as used by GNOME and UNITY

We only parsed the hintstyle from the Xft settings. This patch adds
parsing for also subpixel style and disabling antialiasing.

Task-number: QTBUG-27106
Change-Id: Icdb88ccc10e50d76eb30a5b126bee7590e257022
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/src/plugins/platforms/xcb/qxcbscreen.h b/src/plugins/platforms/xcb/qxcbscreen.h
index 53ac65bb09..db72d94698 100644
--- a/src/plugins/platforms/xcb/qxcbscreen.h
+++ b/src/plugins/platforms/xcb/qxcbscreen.h
@@ -104,13 +104,15 @@ public:
     void readXResources();
 
     QFontEngine::HintStyle hintStyle() const { return m_hintStyle; }
+    QFontEngine::SubpixelAntialiasingType subpixelType() const { return m_subpixelType; }
+    int antialiasingEnabled() const { return m_antialiasingEnabled; }
 
     QXcbXSettings *xSettings() const;
 
 private:
     static bool xResource(const QByteArray &identifier,
-                         const QByteArray &expectedIdentifier,
-                         int *value);
+                          const QByteArray &expectedIdentifier,
+                          QByteArray &stringValue);
     void sendStartupMessage(const QByteArray &message) const;
 
     xcb_screen_t *m_screen;
@@ -133,6 +135,8 @@ private:
     int m_refreshRate;
     int m_forcedDpi;
     QFontEngine::HintStyle m_hintStyle;
+    QFontEngine::SubpixelAntialiasingType m_subpixelType;
+    int m_antialiasingEnabled;
     QXcbXSettings *m_xSettings;
 };