gtk3 compat for statusicon

git-svn-id: https://xpra.org/svn/Xpra/trunk@6193 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/client/gtk_base/statusicon_tray.py

@@ -106,10 +106,20 @@ def set_blinking(self, on):
 
 
     def set_icon_from_data(self, pixels, has_alpha, w, h, rowstride):
-        tray_icon = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB, has_alpha, 8, w, h, rowstride)
+        if is_gtk3():
+            import array
+            data = array.array('B', pixels)
+            from gi.repository import GdkPixbuf     #@UnresolvedImport
+            tray_icon = GdkPixbuf.Pixbuf.new_from_data(data, GdkPixbuf.Colorspace.RGB,
+                                             True, 8, w, h, rowstride,
+                                             None, None)
+            interp = GdkPixbuf.InterpType.HYPER
+        else:
+            tray_icon = gdk.pixbuf_new_from_data(pixels, gdk.COLORSPACE_RGB, has_alpha, 8, w, h, rowstride)
+            interp = gtk.gdk.INTERP_HYPER
         tw, th = self.get_geometry()[2:]
         if tw!=w or th!=h:
-            tray_icon = tray_icon.scale_simple(tw, th, gtk.gdk.INTERP_HYPER)
+            tray_icon = tray_icon.scale_simple(tw, th, interp)
         self.tray_widget.set_from_pixbuf(tray_icon)