1 files changed, 16 insertions, 1 deletions
diff --git a/src/x11extras/qx11info_x11.h b/src/x11extras/qx11info_x11.h
index ab72686..c0bfbf8 100644
--- a/src/x11extras/qx11info_x11.h
+++ b/src/x11extras/qx11info_x11.h
@@ -43,14 +43,21 @@
 #include <QtCore/qnamespace.h>
 #include "QtX11Extras/qtx11extrasglobal.h"
 
+#include <xcb/xcb.h>
+
 typedef struct _XDisplay Display;
-struct xcb_connection_t;
 
 QT_BEGIN_NAMESPACE
 
 class Q_X11EXTRAS_EXPORT QX11Info
 {
 public:
+    enum PeekOption {
+        PeekDefault = 0,
+        PeekFromCachedIndex = 1
+    };
+    Q_DECLARE_FLAGS(PeekOptions, PeekOption)
+
     static bool isPlatformX11();
 
     static int appDpiX(int screen=-1);
@@ -75,10 +82,18 @@ public:
 
     static bool isCompositingManagerRunning(int screen = -1);
 
+    static qint32 generatePeekerId();
+    static bool removePeekerId(qint32 peekerId);
+    typedef bool (*PeekerCallback)(xcb_generic_event_t *event, void *peekerData);
+    static bool peekEventQueue(PeekerCallback peeker, void *peekerData = nullptr,
+                               PeekOptions option = PeekDefault, qint32 peekerId = -1);
+
 private:
     QX11Info();
 };
 
+Q_DECLARE_OPERATORS_FOR_FLAGS(QX11Info::PeekOptions)
+
 QT_END_NAMESPACE
 
 #endif // QX11INFO_X11_H