diff -up tightvnc-1.5.0-20081015svn3022/unix/xserver/hw/vnc/XserverDesktop.cc.bounds tightvnc-1.5.0-20081015svn3022/unix/xserver/hw/vnc/XserverDesktop.cc

--- tightvnc-1.5.0-20081015svn3022/unix/xserver/hw/vnc/XserverDesktop.cc.bounds	2008-10-15 15:23:24.000000000 +0200

+++ tightvnc-1.5.0-20081015svn3022/unix/xserver/hw/vnc/XserverDesktop.cc	2008-10-23 12:46:31.000000000 +0200

@@ -500,32 +500,36 @@ void XserverDesktop::add_changed(RegionP

 {

   if (ignoreHooks_) return;

   if (grabbing) return;

+

+  BoxRec screenbox;

+  RegionPtr newreg = REGION_CREATE(pScreen, 0, 0);

+

+  screenbox.x1 = screenbox.y1 = 0;

+  screenbox.x2 = pScreen->width;

+  screenbox.y2 = pScreen->height;

+

+  RegionPtr screenreg = REGION_CREATE(pScreen, &screenbox, 0);

+  REGION_INTERSECT(pScreen, newreg, reg, screenreg);

+  REGION_DESTROY (pScreen, screenreg);

+

   try {

     rfb::Region rfbReg;

-    rfbReg.setExtentsAndOrderedRects((ShortRect*)REGION_EXTENTS(pScreen, reg),

-                                     REGION_NUM_RECTS(reg),

-                                     (ShortRect*)REGION_RECTS(reg));

+    rfbReg.setExtentsAndOrderedRects((ShortRect*)REGION_EXTENTS(pScreen, newreg),

+                                     REGION_NUM_RECTS(newreg),

+                                     (ShortRect*)REGION_RECTS(newreg));

     server->add_changed(rfbReg);

     deferUpdate();

   } catch (rdr::Exception& e) {

     vlog.error("XserverDesktop::add_changed: %s",e.str());

   }

+  REGION_DESTROY (pScreen, newreg);

 }

 void XserverDesktop::add_copied(RegionPtr dst, int dx, int dy)

 {

-  if (ignoreHooks_) return;

-  if (grabbing) return;

-  try {

-    rfb::Region rfbReg;

-    rfbReg.setExtentsAndOrderedRects((ShortRect*)REGION_EXTENTS(pScreen, dst),

-                                     REGION_NUM_RECTS(dst),

-                                     (ShortRect*)REGION_RECTS(dst));

-    server->add_copied(rfbReg, rfb::Point(dx, dy));

-    deferUpdate();

-  } catch (rdr::Exception& e) {

-    vlog.error("XserverDesktop::add_copied: %s",e.str());

-  }

+  add_changed (dst);

+  REGION_TRANSLATE (pScreen, dst, -dx, -dy);

+  add_changed (dst);

 }

 void XserverDesktop::positionCursor()