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Handle transfers rdesktop <-> rdesktop with native windows formats.

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git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/trunk/rdesktop@393 423420c4-83ab-492f-b58f-81f9feb106b5
This commit is contained in:
Erik Forsberg 2003-06-06 09:31:28 +00:00
parent 7a1831445a
commit 2a36b665db
1 changed files with 94 additions and 7 deletions
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99
cliprdr.c
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@ -26,6 +26,7 @@ extern BOOL encryption;
extern Display *display;
extern Window wnd;
extern Time last_gesturetime;
extern Atom ipc_atom;
// static Time selection_timestamp;
static Atom clipboard_atom, primary_atom, targets_atom, timestamp_atom;
@ -35,6 +36,8 @@ static uint16 num_server_formats = 0;
static XSelectionEvent selection_event;
static uint16 clipboard_channelno;
static Atom targets[NUM_TARGETS];
static int have_primary = 0;
static int rdesktop_is_selection_owner = 0;
static void
cliprdr_print_server_formats(void)
@ -75,7 +78,7 @@ cliprdr_set_selection_timestamp(void)
static void
cliprdr_send_format_announce(void)
{
DEBUG_CLIPBOARD(("Sending format announce\n"));
DEBUG_CLIPBOARD(("Sending (empty) format announce\n"));
STREAM s;
int number_of_formats = 1;
@ -101,6 +104,28 @@ cliprdr_send_format_announce(void)
clipboard_channelno);
}
void cliprdr_ipc_format_announce(unsigned char *data, uint16 length)
{
STREAM s;
rdesktop_is_selection_owner = 1;
DEBUG_CLIPBOARD(("cliprdr_ipc_format_announce called, length is %d, data is %s, sending native format announce\n", length, data));
s = sec_init(encryption ? SEC_ENCRYPT : 0, length+12+4+4);
out_uint32_le(s, length+12);
out_uint32_le(s, 0x13);
out_uint16_le(s, 2);
out_uint16_le(s, 0);
out_uint32_le(s, length);
out_uint8p(s, data, length);
out_uint32_le(s, 0); // Pad
s_mark_end(s);
sec_send_to_channel(s, encryption ? SEC_ENCRYPT : 0,
clipboard_channelno);
}
static void
cliprdr_send_empty_datapacket(void)
@ -193,6 +218,7 @@ cliprdr_handle_SelectionNotify(XSelectionEvent *event)
wnd, event->time);
}
else /* Other clipboard data */
{
@ -303,6 +329,7 @@ cliprdr_handle_SelectionNotify(XSelectionEvent *event)
XFree(data);
if (!rdesktop_clipboard_target_atom)
cliprdr_send_format_announce();
}
@ -314,6 +341,9 @@ void
cliprdr_handle_SelectionClear(void)
{
DEBUG_CLIPBOARD(("cliprdr_handle_SelectionClear\n"));
have_primary = 0;
ipc_send_message(RDESKTOP_IPC_CLIPRDR_PRIMARY_LOST,
"", 0);
cliprdr_send_format_announce();
}
@ -343,6 +373,12 @@ cliprdr_handle_SelectionRequest(XSelectionRequestEvent *xevent)
{
XSelectionEvent xev;
unsigned char *data;
unsigned long nitems, bytes_left;
Atom type_return;
uint32 *wanted_formatcode;
int format;
DEBUG_CLIPBOARD(("cliprdr_handle_SelectionRequest\n"));
DEBUG_CLIPBOARD(("Requestor window id 0x%x ",
(unsigned)xevent->requestor));
@ -367,7 +403,26 @@ cliprdr_handle_SelectionRequest(XSelectionRequestEvent *xevent)
xev.property = xevent->property;
xev.time = xevent->time;
if (targets_atom == xevent->target)
memcpy(&selection_event, &xev, sizeof(xev));
if (ipc_atom == xevent->target)
{
DEBUG_CLIPBOARD(("Target atom is ipc_atom, getting INTEGER from requestor\n"));
XGetWindowProperty(display, xevent->requestor,
rdesktop_clipboard_target_atom,
0,
1,
True, XA_INTEGER,
&type_return,
&format,
&nitems,
&bytes_left,
&wanted_formatcode);
DEBUG_CLIPBOARD(("Got wanted formatcode %d, format is %d\n", *wanted_formatcode, format));
cliprdr_request_clipboard_data(*wanted_formatcode);
}
else if (targets_atom == xevent->target)
{
DEBUG_CLIPBOARD(("TARGETS requested, sending list..\n"));
XChangeProperty(display,
@ -403,7 +458,6 @@ cliprdr_handle_SelectionRequest(XSelectionRequestEvent *xevent)
} else /* Some other target */
{
cliprdr_request_clipboard_data(CF_TEXT);
memcpy(&selection_event, &xev, sizeof(xev));
/* Return and wait for data, handled by
cliprdr_handle_server_data */
}
@ -439,10 +493,14 @@ cliprdr_register_server_formats(STREAM s)
uint16 num_formats;
cliprdr_dataformat *this, *next;
DEBUG_CLIPBOARD(("cliprdr_register_server_formats\n"));
in_uint32_le(s, remaining_length);
DEBUG_CLIPBOARD(("cliprdr_register_server_formats, remaining_length is %d\n", remaining_length));
num_formats = remaining_length / 36;
ipc_send_message(RDESKTOP_IPC_CLIPRDR_FORMAT_ANNOUNCE,
s->p, remaining_length);
if (NULL != server_formats) {
this = server_formats;
next = this->next;
@ -482,6 +540,10 @@ cliprdr_select_X_clipboards(void)
{
warning("Failed to aquire ownership of PRIMARY clipboard\n");
}
else
{
have_primary = 1;
}
XSetSelectionOwner(display, clipboard_atom, wnd, last_gesturetime);
if (wnd != XGetSelectionOwner(display, clipboard_atom))
{
@ -492,8 +554,6 @@ cliprdr_select_X_clipboards(void)
static void
cliprdr_handle_first_handshake(STREAM s)
{
@ -582,6 +642,20 @@ void cliprdr_handle_server_data_request(STREAM s)
selectionowner = XGetSelectionOwner(display, primary_atom);
if (rdesktop_is_selection_owner)
{
XChangeProperty(display, wnd, rdesktop_clipboard_target_atom,
XA_INTEGER, 32, PropModeReplace,
(unsigned char *)&wanted_formatcode, 1);
XConvertSelection(display, primary_atom,
ipc_atom,
rdesktop_clipboard_target_atom,
wnd, CurrentTime);
return;
}
if (None != selectionowner)
{
@ -682,6 +756,14 @@ void cliprdr_callback(STREAM s, uint16 channelno)
}
}
void cliprdr_ipc_primary_lost(unsigned char *data, uint16 length)
{
DEBUG_CLIPBOARD(("cliprdr_ipc_primary_lost called\n"));
if (!have_primary)
cliprdr_send_format_announce();
rdesktop_is_selection_owner = 0;
}
void cliprdr_init(void)
{
@ -697,5 +779,10 @@ void cliprdr_init(void)
targets[3] = XInternAtom(display, "text/unicode", False);
targets[4] = XInternAtom(display, "TIMESTAMP", False);
targets[5] = XInternAtom(display, "STRING", False);
ipc_register_ipcnotify(RDESKTOP_IPC_CLIPRDR_FORMAT_ANNOUNCE,
cliprdr_ipc_format_announce);
ipc_register_ipcnotify(RDESKTOP_IPC_CLIPRDR_FORMAT_ANNOUNCE,
cliprdr_ipc_primary_lost);
}