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-rw-r--r--sesman/chansrv/clipboard.c159
1 files changed, 129 insertions, 30 deletions
diff --git a/sesman/chansrv/clipboard.c b/sesman/chansrv/clipboard.c
index af07b00b..58b80cad 100644
--- a/sesman/chansrv/clipboard.c
+++ b/sesman/chansrv/clipboard.c
@@ -147,6 +147,11 @@ static int g_cliprdr_flags = CB_USE_LONG_FORMAT_NAMES |
static int g_formatIds[16];
static int g_num_formatIds = 0;
+/* this is used because client will ask for the same thing more than
+ once in successiotn */
+int g_last_client_request_xrdp_clip_type = 0;
+unsigned int g_last_client_request_xrdp_clip_time = 0;
+
/*****************************************************************************/
/* this is one way to get the current time from the x server */
static Time APP_CC
@@ -559,7 +564,7 @@ clipboard_send_format_announce(int xrdp_clip_type)
out_uint32_le(s, 0);
s_mark_end(s);
size = (int)(s->end - s->data);
- g_hexdump(s->data, size);
+ //g_hexdump(s->data, size);
LOGM((LOG_LEVEL_DEBUG, "clipboard_send_format_announce: data out, sending "
"CLIPRDR_FORMAT_ANNOUNCE (clip_msg_id = 2)"));
rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
@@ -694,19 +699,42 @@ clipboard_provide_selection(XSelectionRequestEvent *req, Atom type, int format,
char *data, int length)
{
XEvent xev;
-
- XChangeProperty(g_display, req->requestor, req->property,
- type, format, PropModeReplace, (tui8 *)data, length);
- g_memset(&xev, 0, sizeof(xev));
- xev.xselection.type = SelectionNotify;
- xev.xselection.send_event = True;
- xev.xselection.display = req->display;
- xev.xselection.requestor = req->requestor;
- xev.xselection.selection = req->selection;
- xev.xselection.target = req->target;
- xev.xselection.property = req->property;
- xev.xselection.time = req->time;
- XSendEvent(g_display, req->requestor, False, NoEventMask, &xev);
+ long val1;
+
+ LLOGLN(0, ("clipboard_provide_selection: length %d", length));
+ if (length <= 16 * 1024 * 1024)
+ {
+ XChangeProperty(g_display, req->requestor, req->property,
+ type, format, PropModeReplace, (tui8 *)data, length);
+ g_memset(&xev, 0, sizeof(xev));
+ xev.xselection.type = SelectionNotify;
+ xev.xselection.send_event = True;
+ xev.xselection.display = req->display;
+ xev.xselection.requestor = req->requestor;
+ xev.xselection.selection = req->selection;
+ xev.xselection.target = req->target;
+ xev.xselection.property = req->property;
+ xev.xselection.time = req->time;
+ XSendEvent(g_display, req->requestor, False, NoEventMask, &xev);
+ }
+ else
+ {
+ /* start the INCR process */
+ LLOGLN(0, ("clipboard_provide_selection: start INCR"));
+ val1 = 0;
+ XChangeProperty(g_display, req->requestor, req->property,
+ g_incr_atom, 32, PropModeReplace, (tui8 *)&val1, 1);
+ g_memset(&xev, 0, sizeof(xev));
+ xev.xselection.type = SelectionNotify;
+ xev.xselection.send_event = True;
+ xev.xselection.display = req->display;
+ xev.xselection.requestor = req->requestor;
+ xev.xselection.selection = req->selection;
+ xev.xselection.target = req->target;
+ xev.xselection.property = req->property;
+ xev.xselection.time = req->time;
+ XSendEvent(g_display, req->requestor, False, NoEventMask, &xev);
+ }
return 0;
}
@@ -746,7 +774,7 @@ clipboard_process_format_announce(struct stream *s, int clip_msg_status,
LOGM((LOG_LEVEL_DEBUG, "clipboard_process_format_announce: "
"CLIPRDR_FORMAT_ANNOUNCE"));
LLOGLN(10, ("clipboard_process_format_announce %d", clip_msg_len));
- g_hexdump(s->p, s->end - s->p);
+ //g_hexdump(s->p, s->end - s->p);
clipboard_send_format_ack();
g_got_format_announce = 1;
g_data_in_up_to_date = 0;
@@ -806,7 +834,7 @@ clipboard_prcoess_format_ack(struct stream *s, int clip_msg_status,
{
LOGM((LOG_LEVEL_DEBUG, "clipboard_prcoess_format_ack: CLIPRDR_FORMAT_ACK"));
LLOGLN(10, ("clipboard_prcoess_format_ack:"));
- g_hexdump(s->p, s->end - s->p);
+ //g_hexdump(s->p, s->end - s->p);
return 0;
}
@@ -839,28 +867,73 @@ clipboard_process_data_request(struct stream *s, int clip_msg_status,
int clip_msg_len)
{
int requestedFormatId;
+ tui32 now;
+ tui32 tdiff;
LOGM((LOG_LEVEL_DEBUG, "clipboard_process_data_request: "
"CLIPRDR_DATA_REQUEST"));
LLOGLN(10, ("clipboard_process_data_request:"));
- g_hexdump(s->p, s->end - s->p);
+ //g_hexdump(s->p, s->end - s->p);
+ now = xcommon_get_local_time();
+ tdiff = now - g_last_client_request_xrdp_clip_time;
in_uint32_le(s, requestedFormatId);
switch (requestedFormatId)
{
case CB_FORMAT_FILE: /* 0xC0BC */
- LLOGLN(10, ("clipboard_process_data_request: CB_FORMAT_FILE %d", g_last_clip_type));
- XConvertSelection(g_display, g_clipboard_atom, g_last_clip_type,
- g_clip_property_atom, g_wnd, CurrentTime);
+ if ((tdiff < 500) &&
+ (g_last_client_request_xrdp_clip_type == XRDP_CB_FILE))
+ {
+ LLOGLN(10, ("clipboard_process_data_request: CB_FORMAT_FILE, "
+ "sending last data tdiff %d", tdiff));
+ clipboard_send_data_response_for_file(g_last_clip_data,
+ g_last_clip_size);
+ }
+ else
+ {
+ LLOGLN(10, ("clipboard_process_data_request: CB_FORMAT_FILE, "
+ "calling XConvertSelection to g_utf8_atom "
+ "tdiff %d", tdiff));
+ g_last_client_request_xrdp_clip_type = XRDP_CB_FILE;
+ g_last_client_request_xrdp_clip_time = now;
+ XConvertSelection(g_display, g_clipboard_atom, g_utf8_atom,
+ g_clip_property_atom, g_wnd, CurrentTime);
+ }
break;
case CB_FORMAT_DIB: /* 0x0008 */
- LLOGLN(10, ("clipboard_process_data_request: CB_FORMAT_DIB"));
- XConvertSelection(g_display, g_clipboard_atom, g_last_clip_type,
- g_clip_property_atom, g_wnd, CurrentTime);
+ if ((tdiff < 500) &&
+ (g_last_client_request_xrdp_clip_type == XRDP_CB_BITMAP))
+ {
+ LLOGLN(10, ("clipboard_process_data_request: CB_FORMAT_DIB, "
+ "sending last data tdiff %d", tdiff));
+ clipboard_send_data_response_for_image(g_last_clip_data,
+ g_last_clip_size);
+ }
+ else
+ {
+ LLOGLN(10, ("clipboard_process_data_request: CB_FORMAT_DIB, "
+ "calling XConvertSelection to g_image_bmp_atom "
+ "tdiff %d", tdiff));
+ XConvertSelection(g_display, g_clipboard_atom, g_image_bmp_atom,
+ g_clip_property_atom, g_wnd, CurrentTime);
+ }
break;
case CB_FORMAT_UNICODETEXT: /* 0x000D */
- LLOGLN(10, ("clipboard_process_data_request: CB_FORMAT_UNICODETEXT"));
- XConvertSelection(g_display, g_clipboard_atom, g_last_clip_type,
- g_clip_property_atom, g_wnd, CurrentTime);
+ if ((tdiff < 500) &&
+ (g_last_client_request_xrdp_clip_type == XRDP_CB_TEXT))
+ {
+ LLOGLN(10, ("clipboard_process_data_request: CB_FORMAT_UNICODETEXT, "
+ "sending last data tdiff %d", tdiff));
+ clipboard_send_data_response_for_image(g_last_clip_data,
+ g_last_clip_size);
+ }
+ else
+ {
+ LLOGLN(10, ("clipboard_process_data_request: CB_FORMAT_UNICODETEXT, "
+ "calling XConvertSelection to g_utf8_atom "
+ "tdiff %d", tdiff));
+ XConvertSelection(g_display, g_clipboard_atom, g_utf8_atom,
+ g_clip_property_atom, g_wnd, CurrentTime);
+ }
break;
default:
LLOGLN(10, ("clipboard_process_data_request: unknown type %d",
@@ -880,8 +953,8 @@ clipboard_process_data_request(struct stream *s, int clip_msg_status,
clipboard data. */
static int APP_CC
clipboard_process_data_response_for_image(struct stream *s,
- int clip_msg_status,
- int clip_msg_len)
+ int clip_msg_status,
+ int clip_msg_len)
{
XSelectionRequestEvent *lxev = &g_saved_selection_req_event;
char *cptr;
@@ -931,7 +1004,8 @@ clipboard_process_data_response_for_image(struct stream *s,
g_data_in_time = clipboard_get_local_time();
g_data_in_up_to_date = 1;
}
-
+ LLOGLN(10, ("clipboard_process_data_response_for_image: calling "
+ "clipboard_provide_selection with %d bytes", len));
clipboard_provide_selection(lxev, lxev->target, 8, cptr, len);
return 0;
}
@@ -1260,13 +1334,19 @@ clipboard_get_window_property(Window wnd, Atom prop, Atom *type, int *fmt,
if (ltype == g_incr_atom)
{
LOGM((LOG_LEVEL_DEBUG, "clipboard_get_window_property: INCR start"));
- LLOGLN(10, ("clipboard_get_window_property: INCR start"));
+ LLOGLN(10, ("clipboard_get_window_property: INCR start lfmt %d "
+ "ln_items %d llen_after %d", lfmt, ln_items, llen_after));
g_incr_in_progress = 1;
g_incr_atom_type = prop;
g_incr_data_size = 0;
g_free(g_incr_data);
g_incr_data = 0;
+ /* this will start the incr process */
XDeleteProperty(g_display, g_wnd, prop);
+ if (type != 0)
+ {
+ *type = ltype;
+ }
return 0;
}
@@ -1426,6 +1506,15 @@ clipboard_event_selection_notify(XEvent *xevent)
}
XDeleteProperty(g_display, lxevent->requestor, lxevent->property);
+
+ if (type == g_incr_atom)
+ {
+ /* nothing more to do here, the data is comming in through
+ PropertyNotify */
+ LLOGLN(0, ("clipboard_event_selection_notify: type is INCR"));
+
+ return 0;
+ }
}
if (rv == 0)
@@ -1785,8 +1874,17 @@ clipboard_event_property_notify(XEvent *xevent)
if (g_incr_in_progress &&
(xevent->xproperty.atom == g_incr_atom_type) &&
+ (xevent->xproperty.state == PropertyDelete))
+ {
+ /* this is used for when copying a large clipboard to the other app,
+ it will delete the property so we know to send the next one */
+ LLOGLN(10, ("clipboard_event_property_notify: INCR PropertyDelete"));
+ }
+ if (g_incr_in_progress &&
+ (xevent->xproperty.atom == g_incr_atom_type) &&
(xevent->xproperty.state == PropertyNewValue))
{
+ LLOGLN(10, ("clipboard_event_property_notify: INCR PropertyNewValue"));
rv = XGetWindowProperty(g_display, g_wnd, g_incr_atom_type, 0, 0, 0,
AnyPropertyType, &actual_type_return, &actual_format_return,
&nitems_returned, &bytes_left, (unsigned char **) &data);
@@ -1866,6 +1964,7 @@ clipboard_event_property_notify(XEvent *xevent)
return 0;
}
+ LLOGLN(10, ("clipboard_event_property_notify: new_data_len %d", new_data_len));
g_incr_data = cptr;
g_memcpy(g_incr_data + g_incr_data_size, data, new_data_len);
g_incr_data_size += new_data_len;
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-15 17:24:28 +0000