#41: when we send the initial windows, ensure we only send them to th…

…e new client, and client side we now also check that we haven't already got the window id

git-svn-id: https://xpra.org/svn/Xpra/trunk@1410 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/client.py

@@ -726,6 +726,7 @@ def get_screen_sizes(self):
 
     def _process_new_common(self, packet, override_redirect):
         (wid, x, y, w, h, metadata) = packet[1:7]
+        assert wid not in self._id_to_window, "we already have a window %s" % wid
         if w<=0 or h<=0:
             log.error("window dimensions are wrong: %sx%s", w, h)
             w = 10

src/xpra/server.py

@@ -1109,7 +1109,13 @@ def send_windows_and_cursors(self, ss):
                 self._send_new_or_window_packet(window)
             else:
                 self._desktop_manager.hide_window(window)
-                self._send_new_window_packet(window)
+                #code more or less duplicated from send_new_window_packet:
+                #so we can send it just to the new client:
+                x, y, w, h = self._desktop_manager.window_geometry(window)
+                metadata = {}
+                for propname in self._all_metadata:
+                    metadata.update(self._make_metadata(window, propname))
+                ss.new_window("new-window", wid, x, y, w, h, metadata)
         ss.send_cursor(self.cursor_data)
 
     def send_hello(self, client_capabilities, server_source):