1 files changed, 12 insertions, 1 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection.h b/src/plugins/platforms/xcb/qxcbconnection.h
index 999dc0630c..725c01f77d 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.h
+++ b/src/plugins/platforms/xcb/qxcbconnection.h
@@ -409,6 +409,15 @@ public:
     const xcb_setup_t *setup() const { return m_setup; }
     const xcb_format_t *formatForDepth(uint8_t depth) const;
 
+    bool imageNeedsEndianSwap() const
+    {
+#if Q_BYTE_ORDER == Q_BIG_ENDIAN
+        return m_setup->image_byte_order != XCB_IMAGE_ORDER_MSB_FIRST;
+#else
+        return m_setup->image_byte_order != XCB_IMAGE_ORDER_LSB_FIRST;
+#endif
+    }
+
     QXcbKeyboard *keyboard() const { return m_keyboard; }
 
 #ifndef QT_NO_CLIPBOARD
@@ -476,8 +485,9 @@ public:
     xcb_window_t getSelectionOwner(xcb_atom_t atom) const;
     xcb_window_t getQtSelectionOwner();
 
-    void setButtonState(Qt::MouseButton button, bool down) { m_buttonState.setFlag(button, down); }
+    void setButtonState(Qt::MouseButton button, bool down);
     Qt::MouseButtons buttonState() const { return m_buttonState; }
+    Qt::MouseButton button() const { return m_button; }
     Qt::MouseButton translateMouseButton(xcb_button_t s);
 
     QXcbWindow *focusWindow() const { return m_focusWindow; }
@@ -691,6 +701,7 @@ private:
     bool has_render_extension = false;
 
     Qt::MouseButtons m_buttonState = 0;
+    Qt::MouseButton m_button = Qt::NoButton;
 
     QXcbWindow *m_focusWindow = nullptr;
     QXcbWindow *m_mouseGrabber = nullptr;