/[rdesktop]/sourceforge.net/trunk/rdesktop/xclip.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Diff of /sourceforge.net/trunk/rdesktop/xclip.c

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revision 1208 by ossman_, Mon Mar 27 10:41:22 2006 UTC revision 1212 by ossman_, Mon Mar 27 13:03:27 2006 UTC
# Line 114  static int have_primary = 0; Line 114  static int have_primary = 0;
114  /* Denotes that an rdesktop (not this rdesktop) is owning the selection,  /* Denotes that an rdesktop (not this rdesktop) is owning the selection,
115     allowing us to interchange Windows native clipboard data directly. */     allowing us to interchange Windows native clipboard data directly. */
116  static int rdesktop_is_selection_owner = 0;  static int rdesktop_is_selection_owner = 0;
117    /* Time when we acquired the selection. */
118    static Time acquire_time = 0;
119    
120  /* Denotes that an INCR ("chunked") transfer is in progress. */  /* Denotes that an INCR ("chunked") transfer is in progress. */
121  static int g_waiting_for_INCR = 0;  static int g_waiting_for_INCR = 0;
# Line 245  xclip_refuse_selection(XSelectionRequest Line 247  xclip_refuse_selection(XSelectionRequest
247          XSendEvent(g_display, req->requestor, False, NoEventMask, &xev);          XSendEvent(g_display, req->requestor, False, NoEventMask, &xev);
248  }  }
249    
250    /* Examines the special root window property that contains the native Windows
251       formats if another rdesktop process owns the clipboard. */
252    static void
253    xclip_get_root_property()
254    {
255            unsigned long nitems;
256            unsigned long bytes_left;
257            int format, res;
258            uint8 *data;
259            Atom type;
260    
261            res = XGetWindowProperty(g_display, DefaultRootWindow(g_display),
262                                     rdesktop_clipboard_formats_atom, 0,
263                                     XMaxRequestSize(g_display), False, XA_STRING,
264                                     &type, &format, &nitems, &bytes_left, &data);
265    
266            if ((res == Success) && (nitems > 0))
267            {
268                    DEBUG_CLIPBOARD(("xclip_get_root_property: got fellow rdesktop formats\n"));
269                    cliprdr_send_native_format_announce(data, nitems);
270                    rdesktop_is_selection_owner = 1;
271                    return;
272            }
273    
274            /* For some reason, we couldn't announce the native formats */
275            cliprdr_send_simple_native_format_announce(RDP_CF_TEXT);
276            rdesktop_is_selection_owner = 0;
277    }
278    
279  /* Wrapper for cliprdr_send_data which also cleans the request state. */  /* Wrapper for cliprdr_send_data which also cleans the request state. */
280  static void  static void
281  helper_cliprdr_send_response(uint8 * data, uint32 length)  helper_cliprdr_send_response(uint8 * data, uint32 length)
# Line 614  xclip_handle_SelectionRequest(XSelection Line 645  xclip_handle_SelectionRequest(XSelection
645          }          }
646          else if (event->target == timestamp_atom)          else if (event->target == timestamp_atom)
647          {          {
648                  xclip_provide_selection(event, XA_INTEGER, 32, (uint8 *) & g_last_gesturetime, 1);                  xclip_provide_selection(event, XA_INTEGER, 32, (uint8 *) & acquire_time, 1);
649                  return;                  return;
650          }          }
651          else          else
# Line 703  xclip_handle_PropertyNotify(XPropertyEve Line 734  xclip_handle_PropertyNotify(XPropertyEve
734          unsigned long nitems;          unsigned long nitems;
735          unsigned long offset = 0;          unsigned long offset = 0;
736          unsigned long bytes_left = 1;          unsigned long bytes_left = 1;
737          int format, res;          int format;
738          XWindowAttributes wa;          XWindowAttributes wa;
739          uint8 *data;          uint8 *data;
740          Atom type;          Atom type;
# Line 764  xclip_handle_PropertyNotify(XPropertyEve Line 795  xclip_handle_PropertyNotify(XPropertyEve
795          if ((event->atom == rdesktop_clipboard_formats_atom) &&          if ((event->atom == rdesktop_clipboard_formats_atom) &&
796              (event->window == DefaultRootWindow(g_display)) &&              (event->window == DefaultRootWindow(g_display)) &&
797              !have_primary /* not interested in our own events */ )              !have_primary /* not interested in our own events */ )
798          {                  xclip_get_root_property();
                 if (event->state == PropertyNewValue)  
                 {  
                         DEBUG_CLIPBOARD(("xclip_handle_PropertyNotify: getting fellow rdesktop formats\n"));  
   
                         res = XGetWindowProperty(g_display, DefaultRootWindow(g_display),  
                                                  rdesktop_clipboard_formats_atom, 0,  
                                                  XMaxRequestSize(g_display), False, XA_STRING,  
                                                  &type, &format, &nitems, &bytes_left, &data);  
   
                         if ((res == Success) && (nitems > 0))  
                         {  
                                 cliprdr_send_native_format_announce(data, nitems);  
                                 rdesktop_is_selection_owner = 1;  
                                 return;  
                         }  
                 }  
   
                 /* For some reason, we couldn't announce the native formats */  
                 cliprdr_send_simple_native_format_announce(RDP_CF_TEXT);  
                 rdesktop_is_selection_owner = 0;  
         }  
799  }  }
800  #endif  #endif
801    
# Line 798  xclip_handle_PropertyNotify(XPropertyEve Line 808  xclip_handle_PropertyNotify(XPropertyEve
808  void  void
809  ui_clip_format_announce(uint8 * data, uint32 length)  ui_clip_format_announce(uint8 * data, uint32 length)
810  {  {
811          XSetSelectionOwner(g_display, primary_atom, g_wnd, g_last_gesturetime);          acquire_time = g_last_gesturetime;
812    
813            XSetSelectionOwner(g_display, primary_atom, g_wnd, acquire_time);
814          if (XGetSelectionOwner(g_display, primary_atom) != g_wnd)          if (XGetSelectionOwner(g_display, primary_atom) != g_wnd)
815          {          {
816                  warning("Failed to aquire ownership of PRIMARY clipboard\n");                  warning("Failed to aquire ownership of PRIMARY clipboard\n");
# Line 810  ui_clip_format_announce(uint8 * data, ui Line 822  ui_clip_format_announce(uint8 * data, ui
822                          rdesktop_clipboard_formats_atom, XA_STRING, 8, PropModeReplace, data,                          rdesktop_clipboard_formats_atom, XA_STRING, 8, PropModeReplace, data,
823                          length);                          length);
824    
825          XSetSelectionOwner(g_display, clipboard_atom, g_wnd, g_last_gesturetime);          XSetSelectionOwner(g_display, clipboard_atom, g_wnd, acquire_time);
826          if (XGetSelectionOwner(g_display, clipboard_atom) != g_wnd)          if (XGetSelectionOwner(g_display, clipboard_atom) != g_wnd)
827                  warning("Failed to aquire ownership of CLIPBOARD clipboard\n");                  warning("Failed to aquire ownership of CLIPBOARD clipboard\n");
828  }  }
# Line 821  ui_clip_handle_data(uint8 * data, uint32 Line 833  ui_clip_handle_data(uint8 * data, uint32
833  {  {
834          BOOL free_data = False;          BOOL free_data = False;
835    
836            if (length == 0)
837            {
838                    xclip_refuse_selection(&selection_request);
839                    has_selection_request = False;
840                    return;
841            }
842    
843          if (selection_request.target == format_string_atom || selection_request.target == XA_STRING)          if (selection_request.target == format_string_atom || selection_request.target == XA_STRING)
844          {          {
845                  /* We're expecting a CF_TEXT response */                  /* We're expecting a CF_TEXT response */
# Line 888  ui_clip_handle_data(uint8 * data, uint32 Line 907  ui_clip_handle_data(uint8 * data, uint32
907  }  }
908    
909  void  void
910    ui_clip_request_failed()
911    {
912            xclip_refuse_selection(&selection_request);
913            has_selection_request = False;
914    }
915    
916    void
917  ui_clip_request_data(uint32 format)  ui_clip_request_data(uint32 format)
918  {  {
919          Window primary_owner, clipboard_owner;          Window primary_owner, clipboard_owner;
# Line 949  ui_clip_request_data(uint32 format) Line 975  ui_clip_request_data(uint32 format)
975  void  void
976  ui_clip_sync(void)  ui_clip_sync(void)
977  {  {
978          cliprdr_send_simple_native_format_announce(RDP_CF_TEXT);          xclip_get_root_property();
979  }  }
980    
981  void  void
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