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/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
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Protocol services - Clipboard functions |
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Copyright (C) Erik Forsberg <forsberg@cendio.se> 2003 |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#include <X11/Xlib.h> |
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#include <X11/Xatom.h> |
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#include "rdesktop.h" |
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|
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extern BOOL encryption; |
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extern Display *display; |
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extern Window wnd; |
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extern Time last_gesturetime; |
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|
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// static Time selection_timestamp; |
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static Atom clipboard_atom, primary_atom, targets_atom, timestamp_atom; |
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static Atom rdesktop_clipboard_target_atom, incr_atom; |
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static cliprdr_dataformat *server_formats = NULL; |
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static uint16 num_server_formats = 0; |
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static XSelectionEvent selection_event; |
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static uint16 clipboard_channelno; |
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static Atom targets[NUM_TARGETS]; |
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|
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static void |
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cliprdr_print_server_formats(void) |
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{ |
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#ifdef WITH_DEBUG_CLIPBOARD |
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cliprdr_dataformat *this; |
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uint16 i = 0; |
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this = server_formats; |
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DEBUG_CLIPBOARD(("There should be %d server formats.\n", num_server_formats)); |
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while (NULL != this) |
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{ |
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DEBUG_CLIPBOARD(("Format code %d\n", this->identifier)); |
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i++; |
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this = this->next; |
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} |
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DEBUG_CLIPBOARD(("There were %d server formats.\n", i)); |
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#endif |
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} |
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/* |
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static void |
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cliprdr_set_selection_timestamp(void) |
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{ |
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XEvent xev; |
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DEBUG_CLIPBOARD(("Changing a property in order to get a timestamp\n")); |
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fflush(stdout); |
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XChangeProperty(display, wnd, rdesktop_clipboard_target_atom, |
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XA_ATOM, 32, PropModeAppend, 0, 0); |
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DEBUG_CLIPBOARD(("Waiting for PropertyChange on wnd\n")); |
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fflush(stdout); |
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XWindowEvent(display, wnd, |
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PropertyChangeMask, &xev); |
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DEBUG_CLIPBOARD(("Setting selection_timestamp\n")); |
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fflush(stdout); |
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selection_timestamp = xev.xproperty.time; |
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} |
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*/ |
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|
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static void |
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cliprdr_send_format_announce(void) |
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{ |
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DEBUG_CLIPBOARD(("Sending format announce\n")); |
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|
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STREAM s; |
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int number_of_formats = 1; |
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s = sec_init(encryption ? SEC_ENCRYPT : 0, number_of_formats*36+12+4+4); |
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out_uint32_le(s, number_of_formats*36+12); |
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out_uint32_le(s, 0x13); |
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out_uint16_le(s, 2); |
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out_uint16_le(s, 0); |
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out_uint32_le(s, number_of_formats*36); |
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|
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// out_uint32_le(s, 0xd); // FIXME: This is a rather bogus unicode text description.. |
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// rdp_out_unistr(s, "", 16); |
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// out_uint8s(s, 32); |
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|
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|
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out_uint32_le(s, 1); // FIXME: This is a rather bogus text description.. |
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out_uint8s(s, 32); |
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|
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out_uint32_le(s, 0); |
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|
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s_mark_end(s); |
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sec_send_to_channel(s, encryption ? SEC_ENCRYPT : 0, |
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clipboard_channelno); |
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} |
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|
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|
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static void |
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cliprdr_send_empty_datapacket(void) |
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{ |
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STREAM out; |
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out = sec_init(encryption ? SEC_ENCRYPT : 0, |
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20); |
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out_uint32_le(out, 12); |
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out_uint32_le(out, 0x13); |
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out_uint16_le(out, 5); |
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out_uint16_le(out, 1); |
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out_uint32_le(out, 0); |
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/* Insert null string here? */ |
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out_uint32_le(out, 0); |
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s_mark_end(out); |
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|
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sec_send_to_channel(out, encryption ? SEC_ENCRYPT : 0, |
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clipboard_channelno); |
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} |
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|
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|
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void |
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cliprdr_handle_SelectionNotify(XSelectionEvent *event) |
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{ |
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|
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unsigned char *data, *datap; |
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unsigned long nitems, bytes_left; |
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|
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unsigned long bytes_left_to_transfer; |
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int res, i; |
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|
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int format; |
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Atom type_return; |
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Atom best_target; |
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Atom *supported_targets; |
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|
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STREAM out; |
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|
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DEBUG_CLIPBOARD(("cliprdr_handle_SelectionNotify\n")); |
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|
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if (None == event->property) { |
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cliprdr_send_empty_datapacket(); |
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return; /* Selection failed */ |
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} |
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|
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DEBUG_CLIPBOARD(("selection: %s, target: %s, property: %s\n", |
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XGetAtomName(display, event->selection), |
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XGetAtomName(display, event->target), |
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XGetAtomName(display, event->property))); |
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|
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if (targets_atom == event->target) { |
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/* Response to TARGETS request. Let's find the target |
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we want and request that */ |
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res = XGetWindowProperty(display, wnd, |
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rdesktop_clipboard_target_atom, |
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0L, 4096L, False, AnyPropertyType, |
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&type_return, |
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&format, &nitems, &bytes_left, &data); |
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|
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if (Success != res) |
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{ |
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DEBUG_CLIPBOARD(("XGetWindowProperty failed!\n")); |
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cliprdr_send_empty_datapacket(); |
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return; |
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} |
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|
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if (None == type_return) |
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/* The owner might no support TARGETS. Just try |
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STRING */ |
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best_target = XA_STRING; |
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else |
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{ |
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/* FIXME: We should choose format here based |
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on what the server wanted */ |
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supported_targets = (Atom *)data; |
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for (i=0;i<nitems;i++) |
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{ |
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DEBUG_CLIPBOARD(("Target %d: %s\n", |
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i, XGetAtomName(display, |
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supported_targets[i]))); |
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} |
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best_target = XInternAtom(display, "TEXT", False); |
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|
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|
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} |
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|
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XConvertSelection(display, primary_atom, |
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best_target, |
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rdesktop_clipboard_target_atom, |
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wnd, event->time); |
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|
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} |
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else /* Other clipboard data */ |
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{ |
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|
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res = XGetWindowProperty(display, wnd, |
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rdesktop_clipboard_target_atom, |
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0L, 0x1FFFFFF, |
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True, AnyPropertyType, |
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&type_return, |
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&format, &nitems, &bytes_left, &data); |
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|
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|
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/* FIXME: We need to handle INCR as well, |
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this is a temporary solution. */ |
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|
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if (incr_atom == type_return) |
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{ |
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warning("We don't support INCR transfers at this time. Try cutting less data\n"); |
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cliprdr_send_empty_datapacket(); |
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} |
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|
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|
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if (Success != res) |
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{ |
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DEBUG_CLIPBOARD(("XGetWindowProperty failed!\n")); |
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cliprdr_send_empty_datapacket(); |
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return; |
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} |
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|
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DEBUG_CLIPBOARD(("Received %d bytes of clipboard data from X, there is %d remaining\n", |
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nitems, bytes_left)); |
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DEBUG_CLIPBOARD(("type_return is %s\n", |
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XGetAtomName(display, type_return))); |
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|
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datap = data; |
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|
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if (nitems+1 <= MAX_CLIPRDR_STANDALONE_DATASIZE) |
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{ |
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out = sec_init(encryption ? SEC_ENCRYPT : 0, |
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20+nitems+1); |
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out_uint32_le(out, 12+nitems+1); |
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out_uint32_le(out, 0x13); |
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out_uint16_le(out, 5); |
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out_uint16_le(out, 1); |
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out_uint32_le(out, nitems+1); |
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out_uint8p(out, datap, nitems+1); |
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out_uint32_le(out, 0); |
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s_mark_end(out); |
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|
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sec_send_to_channel(out, encryption ? SEC_ENCRYPT : 0, |
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clipboard_channelno); |
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|
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} |
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else |
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{ |
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DEBUG_CLIPBOARD(("Sending %d bytes of data\n", |
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16+MAX_CLIPRDR_STANDALONE_DATASIZE)); |
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out = sec_init(encryption ? SEC_ENCRYPT : 0, |
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16+MAX_CLIPRDR_STANDALONE_DATASIZE); |
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out_uint32_le(out, nitems+12); |
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out_uint32_le(out, 0x11); |
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out_uint16_le(out, 5); |
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out_uint16_le(out, 1); |
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out_uint32_le(out, nitems); |
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out_uint8p(out, datap, |
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MAX_CLIPRDR_STANDALONE_DATASIZE); |
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s_mark_end(out); |
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|
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sec_send_to_channel(out, encryption ? SEC_ENCRYPT : 0, |
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clipboard_channelno); |
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|
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bytes_left_to_transfer = nitems - MAX_CLIPRDR_STANDALONE_DATASIZE; |
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datap+=MAX_CLIPRDR_STANDALONE_DATASIZE; |
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|
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while (bytes_left_to_transfer > MAX_CLIPRDR_STANDALONE_DATASIZE) |
270 |
{ |
271 |
DEBUG_CLIPBOARD(("Sending %d bytes of data\n", |
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16+MAX_CLIPRDR_CONTINUATION_DATASIZE)); |
273 |
out = sec_init(encryption ? SEC_ENCRYPT : 0, |
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8+MAX_CLIPRDR_CONTINUATION_DATASIZE); |
275 |
out_uint32_le(out, nitems); |
276 |
out_uint32_le(out, 0x10); |
277 |
out_uint8p(out, datap, |
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MAX_CLIPRDR_CONTINUATION_DATASIZE); |
279 |
s_mark_end(out); |
280 |
|
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sec_send_to_channel(out, |
282 |
encryption ? SEC_ENCRYPT : 0, |
283 |
clipboard_channelno); |
284 |
bytes_left_to_transfer-= MAX_CLIPRDR_CONTINUATION_DATASIZE; |
285 |
datap+=MAX_CLIPRDR_CONTINUATION_DATASIZE; |
286 |
|
287 |
} |
288 |
DEBUG_CLIPBOARD(("Sending %d bytes of data\n", |
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12+bytes_left_to_transfer)); |
290 |
out = sec_init(encryption ? SEC_ENCRYPT : 0, |
291 |
12+bytes_left_to_transfer); |
292 |
out_uint32_le(out, nitems); |
293 |
out_uint32_le(out, 0x12); |
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out_uint8p(out, datap, |
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bytes_left_to_transfer); |
296 |
out_uint32_le(out, 0x0); |
297 |
s_mark_end(out); |
298 |
|
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sec_send_to_channel(out, encryption ? SEC_ENCRYPT : 0, |
300 |
clipboard_channelno); |
301 |
|
302 |
} |
303 |
|
304 |
|
305 |
XFree(data); |
306 |
cliprdr_send_format_announce(); |
307 |
|
308 |
} |
309 |
|
310 |
|
311 |
} |
312 |
|
313 |
void |
314 |
cliprdr_handle_SelectionClear(void) |
315 |
{ |
316 |
DEBUG_CLIPBOARD(("cliprdr_handle_SelectionClear\n")); |
317 |
cliprdr_send_format_announce(); |
318 |
} |
319 |
|
320 |
|
321 |
static void |
322 |
cliprdr_request_clipboard_data(uint32 formatcode) |
323 |
{ |
324 |
STREAM s; |
325 |
s = sec_init(encryption ? SEC_ENCRYPT : 0, 24); |
326 |
out_uint32_le(s, 16); |
327 |
out_uint32_le(s, 0x13); |
328 |
out_uint16_le(s, 4); |
329 |
out_uint16_le(s, 0); |
330 |
out_uint32_le(s, 4); // Remaining length |
331 |
out_uint32_le(s, formatcode); |
332 |
out_uint32_le(s, 0); // Unknown. Garbage pad? |
333 |
|
334 |
s_mark_end(s); |
335 |
|
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sec_send_to_channel(s, encryption ? SEC_ENCRYPT : 0, |
337 |
clipboard_channelno); |
338 |
} |
339 |
|
340 |
|
341 |
void |
342 |
cliprdr_handle_SelectionRequest(XSelectionRequestEvent *xevent) |
343 |
{ |
344 |
|
345 |
XSelectionEvent xev; |
346 |
DEBUG_CLIPBOARD(("cliprdr_handle_SelectionRequest\n")); |
347 |
DEBUG_CLIPBOARD(("Requestor window id 0x%x ", |
348 |
(unsigned)xevent->requestor)); |
349 |
if (clipboard_atom == xevent->selection) { |
350 |
DEBUG_CLIPBOARD(("wants CLIPBOARD\n")); |
351 |
} |
352 |
if (primary_atom == xevent->selection) { |
353 |
DEBUG_CLIPBOARD(("wants PRIMARY\n")); |
354 |
} |
355 |
DEBUG_CLIPBOARD(("Target is %s (0x%x), property is %s (0x%x)\n", |
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XGetAtomName(display, xevent->target), |
357 |
(unsigned)xevent->target, |
358 |
XGetAtomName(display, xevent->property), |
359 |
(unsigned)xevent->property)); |
360 |
|
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xev.type = SelectionNotify; |
362 |
xev.serial = 0; |
363 |
xev.send_event = True; |
364 |
xev.requestor = xevent->requestor; |
365 |
xev.selection = xevent->selection; |
366 |
xev.target = xevent->target; |
367 |
xev.property = xevent->property; |
368 |
xev.time = xevent->time; |
369 |
|
370 |
if (targets_atom == xevent->target) |
371 |
{ |
372 |
DEBUG_CLIPBOARD(("TARGETS requested, sending list..\n")); |
373 |
XChangeProperty(display, |
374 |
xevent->requestor, |
375 |
xevent->property, |
376 |
XA_ATOM, |
377 |
32, |
378 |
PropModeAppend, |
379 |
(unsigned char *)&targets, |
380 |
NUM_TARGETS); |
381 |
|
382 |
XSendEvent(display, |
383 |
xevent->requestor, |
384 |
False, |
385 |
NoEventMask, |
386 |
(XEvent *)&xev); |
387 |
return; |
388 |
} else if (timestamp_atom == xevent->target) |
389 |
{ |
390 |
XChangeProperty(display, |
391 |
xevent->requestor, |
392 |
xevent->property, |
393 |
XA_INTEGER, |
394 |
32, |
395 |
PropModeAppend, |
396 |
(unsigned char *)&last_gesturetime, |
397 |
1); |
398 |
XSendEvent(display, |
399 |
xevent->requestor, |
400 |
False, |
401 |
NoEventMask, |
402 |
(XEvent *)&xev); |
403 |
} else /* Some other target */ |
404 |
{ |
405 |
cliprdr_request_clipboard_data(CF_TEXT); |
406 |
memcpy(&selection_event, &xev, sizeof(xev)); |
407 |
/* Return and wait for data, handled by |
408 |
cliprdr_handle_server_data */ |
409 |
} |
410 |
} |
411 |
|
412 |
|
413 |
static void |
414 |
cliprdr_ack_format_list(void) |
415 |
{ |
416 |
STREAM s; |
417 |
s = sec_init(encryption ? SEC_ENCRYPT : 0, 20); |
418 |
out_uint32_le(s, 12); |
419 |
out_uint32_le(s, 0x13); |
420 |
out_uint16_le(s, 3); |
421 |
out_uint16_le(s, 1); |
422 |
out_uint32_le(s, 0); |
423 |
out_uint32_le(s, 0x0000c0da); |
424 |
|
425 |
s_mark_end(s); |
426 |
|
427 |
sec_send_to_channel(s, encryption ? SEC_ENCRYPT : 0, |
428 |
clipboard_channelno); |
429 |
} |
430 |
|
431 |
|
432 |
|
433 |
|
434 |
|
435 |
static void |
436 |
cliprdr_register_server_formats(STREAM s) |
437 |
{ |
438 |
uint32 remaining_length, pad; |
439 |
uint16 num_formats; |
440 |
cliprdr_dataformat *this, *next; |
441 |
|
442 |
DEBUG_CLIPBOARD(("cliprdr_register_server_formats\n")); |
443 |
in_uint32_le(s, remaining_length); |
444 |
|
445 |
num_formats = remaining_length / 36; |
446 |
if (NULL != server_formats) { |
447 |
this = server_formats; |
448 |
next = this->next; |
449 |
while (NULL != next) { |
450 |
xfree(this); |
451 |
this = NULL; |
452 |
this = next; |
453 |
next = this->next; |
454 |
} |
455 |
} |
456 |
this = xmalloc(sizeof(cliprdr_dataformat)); |
457 |
this->next = NULL; |
458 |
server_formats = this; |
459 |
num_server_formats = num_formats; |
460 |
while (1 < num_formats) { |
461 |
in_uint32_le(s, this->identifier); |
462 |
in_uint8a(s, this->textual_description, 32); |
463 |
DEBUG_CLIPBOARD(("Stored format description with numeric id %d\n", |
464 |
this->identifier)); |
465 |
this-> next = xmalloc(sizeof(cliprdr_dataformat)); |
466 |
this = this->next; |
467 |
num_formats--; |
468 |
} |
469 |
in_uint32_le(s, this->identifier); |
470 |
DEBUG_CLIPBOARD(("Stored format description with numeric id %d\n", this->identifier)); |
471 |
in_uint8a(s, this->textual_description, 32); |
472 |
this -> next = NULL; |
473 |
in_uint32_le(s, pad); |
474 |
cliprdr_print_server_formats(); |
475 |
} |
476 |
|
477 |
static void |
478 |
cliprdr_select_X_clipboards(void) |
479 |
{ |
480 |
XSetSelectionOwner(display, primary_atom, wnd, last_gesturetime); |
481 |
if (wnd != XGetSelectionOwner(display, primary_atom)) |
482 |
{ |
483 |
warning("Failed to aquire ownership of PRIMARY clipboard\n"); |
484 |
} |
485 |
XSetSelectionOwner(display, clipboard_atom, wnd, last_gesturetime); |
486 |
if (wnd != XGetSelectionOwner(display, clipboard_atom)) |
487 |
{ |
488 |
warning("Failed to aquire ownership of CLIPBOARD clipboard\n"); |
489 |
} |
490 |
|
491 |
} |
492 |
|
493 |
|
494 |
|
495 |
|
496 |
|
497 |
static void |
498 |
cliprdr_handle_first_handshake(STREAM s) |
499 |
{ |
500 |
uint32 remaining_length, pad; |
501 |
in_uint32_le(s, remaining_length); |
502 |
in_uint32_le(s, pad); |
503 |
DEBUG_CLIPBOARD(("Remaining length in first handshake frm server is %d, pad is %d\n", |
504 |
remaining_length, pad)); |
505 |
cliprdr_send_format_announce(); |
506 |
} |
507 |
|
508 |
void cliprdr_handle_server_data(uint32 length, uint32 flags, STREAM s) |
509 |
{ |
510 |
static uint32 remaining_length; |
511 |
static char *data, *datap; |
512 |
static uint32 bytes_left_to_read; |
513 |
DEBUG_CLIPBOARD(("In cliprdr_handle_server_data, flags is %d\n", |
514 |
flags)); |
515 |
if (3 == flags) /* One-op write, no packets follows */ |
516 |
{ |
517 |
in_uint32_le(s, remaining_length); |
518 |
data = s->p; |
519 |
} else if (1 == flags) /* First of several packets */ |
520 |
{ |
521 |
in_uint32_le(s, remaining_length); |
522 |
DEBUG_CLIPBOARD(("Remaining length is %d\n", |
523 |
remaining_length)); |
524 |
data = xmalloc(remaining_length); |
525 |
datap = data; |
526 |
DEBUG_CLIPBOARD(("Copying first %d bytes\n", |
527 |
MAX_CLIPRDR_STANDALONE_DATASIZE)); |
528 |
memcpy(datap, s->p, MAX_CLIPRDR_STANDALONE_DATASIZE); |
529 |
|
530 |
datap+=MAX_CLIPRDR_STANDALONE_DATASIZE; |
531 |
bytes_left_to_read = remaining_length-MAX_CLIPRDR_STANDALONE_DATASIZE; |
532 |
return; |
533 |
} else if (0 == flags) |
534 |
{ |
535 |
DEBUG_CLIPBOARD(("Copying %d middle bytes", |
536 |
MAX_CLIPRDR_CONTINUATION_DATASIZE)); |
537 |
memcpy(datap, s->p, MAX_CLIPRDR_CONTINUATION_DATASIZE); |
538 |
|
539 |
datap+=MAX_CLIPRDR_CONTINUATION_DATASIZE; |
540 |
bytes_left_to_read-=MAX_CLIPRDR_CONTINUATION_DATASIZE; |
541 |
return; |
542 |
} else if (2 == flags) |
543 |
{ |
544 |
DEBUG_CLIPBOARD(("Copying last %d bytes\n", |
545 |
bytes_left_to_read)); |
546 |
memcpy(datap, s->p, bytes_left_to_read); |
547 |
} |
548 |
XChangeProperty(display, |
549 |
selection_event.requestor, |
550 |
selection_event.property, |
551 |
XInternAtom(display, "STRING", False), |
552 |
8, |
553 |
PropModeAppend, |
554 |
data, |
555 |
remaining_length-1); |
556 |
|
557 |
XSendEvent(display, |
558 |
selection_event.requestor, |
559 |
False, |
560 |
NoEventMask, |
561 |
(XEvent *)&selection_event); |
562 |
|
563 |
if (flags & 0x12) |
564 |
xfree(data); |
565 |
|
566 |
} |
567 |
|
568 |
void cliprdr_handle_server_data_request(STREAM s) |
569 |
{ |
570 |
Window selectionowner; |
571 |
uint32 remaining_length; |
572 |
uint32 wanted_formatcode, pad; |
573 |
|
574 |
in_uint32_le(s, remaining_length); |
575 |
in_uint32_le(s, wanted_formatcode); |
576 |
in_uint32_le(s, pad); |
577 |
|
578 |
/* FIXME: Check that we support this formatcode */ |
579 |
|
580 |
DEBUG_CLIPBOARD(("Request from server for format %d\n", |
581 |
wanted_formatcode)); |
582 |
|
583 |
selectionowner = XGetSelectionOwner(display, primary_atom); |
584 |
|
585 |
if (None != selectionowner) |
586 |
{ |
587 |
|
588 |
/* FIXME: Perhaps we should check if we are the owner? */ |
589 |
|
590 |
XConvertSelection(display, primary_atom, |
591 |
targets_atom, |
592 |
rdesktop_clipboard_target_atom, |
593 |
wnd, CurrentTime); |
594 |
|
595 |
/* The rest of the transfer is handled in |
596 |
cliprdr_handle_SelectionNotify */ |
597 |
|
598 |
} else |
599 |
{ |
600 |
DEBUG_CLIPBOARD(("There were no owner for PRIMARY, sending empty string\n")); // FIXME: Should we always send an empty string? |
601 |
|
602 |
cliprdr_send_empty_datapacket(); |
603 |
} |
604 |
|
605 |
|
606 |
} |
607 |
|
608 |
|
609 |
void cliprdr_callback(STREAM s, uint16 channelno) |
610 |
{ |
611 |
static int failed_clipboard_acks = 0; |
612 |
struct timeval timeval; |
613 |
uint32 length, flags; |
614 |
uint16 ptype0, ptype1; |
615 |
clipboard_channelno = channelno; |
616 |
DEBUG_CLIPBOARD(("cliprdr_callback called with channelno %d, clipboard data:\n", channelno)); |
617 |
#ifdef WITH_DEBUG_CLIPBOARD |
618 |
// hexdump(s->p, s->end - s->p); |
619 |
#endif |
620 |
in_uint32_le(s, length); |
621 |
in_uint32_le(s, flags); |
622 |
|
623 |
DEBUG_CLIPBOARD(("length is %d, flags are %d\n", length, flags)); |
624 |
|
625 |
if (3 == flags || 1 == flags) /* Single-write op or first-packet-of-several op */ |
626 |
{ |
627 |
in_uint16_le(s, ptype0); |
628 |
in_uint16_le(s, ptype1); |
629 |
DEBUG_CLIPBOARD(("ptype0 is %d, ptype1 is %d\n", ptype0, ptype1)); |
630 |
if (1 == ptype0 && 0 == ptype1) { |
631 |
cliprdr_handle_first_handshake(s); |
632 |
return; |
633 |
} else if (3 == ptype0 && 1 == ptype1) |
634 |
{ |
635 |
// Acknowledgment on our format announce. Do we care? Not right now. |
636 |
// There is a strange pad in this packet that we might need some time, |
637 |
// but probably not. |
638 |
DEBUG_CLIPBOARD(("Received format announce ACK\n")); |
639 |
failed_clipboard_acks = 0; |
640 |
return; |
641 |
|
642 |
} else if (3 == ptype0 && 2 == ptype1) |
643 |
{ |
644 |
DEBUG_CLIPBOARD(("Received failed clipboard format announce ACK, retrying\n")); |
645 |
|
646 |
/* This is a fairly portable way to sleep 1/10 of |
647 |
a second.. */ |
648 |
timeval.tv_sec = 0; |
649 |
timeval.tv_usec = 100; |
650 |
select(0, NULL, NULL, NULL, &timeval); |
651 |
if (failed_clipboard_acks < 3) |
652 |
{ |
653 |
|
654 |
cliprdr_send_format_announce(); |
655 |
/* Make sure we don't get stuck in this loop */ |
656 |
failed_clipboard_acks++; |
657 |
} |
658 |
else |
659 |
{ |
660 |
warning("Reached maximum number of clipboard format announce attempts. Pasting in Windows probably won't work well now.\n"); |
661 |
} |
662 |
} else if (2 == ptype0 && 0 == ptype1) |
663 |
{ |
664 |
cliprdr_register_server_formats(s); |
665 |
cliprdr_select_X_clipboards(); |
666 |
cliprdr_ack_format_list(); |
667 |
return; |
668 |
} else if (5 == ptype0 && 1 == ptype1) |
669 |
{ |
670 |
cliprdr_handle_server_data(length, flags, s); |
671 |
} else if (4 == ptype0 && 0 == ptype1) |
672 |
{ |
673 |
cliprdr_handle_server_data_request(s); |
674 |
} |
675 |
|
676 |
|
677 |
} |
678 |
else |
679 |
{ |
680 |
DEBUG_CLIPBOARD(("Handling middle or last packet\n")); |
681 |
cliprdr_handle_server_data(length, flags, s); |
682 |
} |
683 |
} |
684 |
|
685 |
|
686 |
void cliprdr_init(void) |
687 |
{ |
688 |
primary_atom = XInternAtom(display, "PRIMARY", False); |
689 |
clipboard_atom = XInternAtom(display, "CLIPBOARD", False); |
690 |
targets_atom = XInternAtom(display, "TARGETS", False); |
691 |
timestamp_atom = XInternAtom(display, "TIMESTAMP", False); |
692 |
rdesktop_clipboard_target_atom = XInternAtom(display, "_RDESKTOP_CLIPBOARD_TARGET", False); |
693 |
incr_atom = XInternAtom(display, "INCR", False); |
694 |
targets[0] = targets_atom; |
695 |
targets[1] = XInternAtom(display, "TEXT", False); |
696 |
targets[2] = XInternAtom(display, "UTF8_STRING", False); |
697 |
targets[3] = XInternAtom(display, "text/unicode", False); |
698 |
targets[4] = XInternAtom(display, "TIMESTAMP", False); |
699 |
targets[5] = XInternAtom(display, "STRING", False); |
700 |
|
701 |
} |