static void xf_cliprdr_process_requested_data(xfInfo* xfi, boolean has_data, uint8* data, int size)
{
uint8* outbuf;
clipboardContext* cb = (clipboardContext*) xfi->clipboard_context;
if (cb->incr_starts && has_data)
return;
if (!has_data || data == NULL)
{
xf_cliprdr_send_null_data_response(xfi);
return;
}
switch (cb->format_mappings[cb->request_index].format_id)
{
case CB_FORMAT_RAW:
case CB_FORMAT_PNG:
case CB_FORMAT_JPEG:
case CB_FORMAT_GIF:
outbuf = xf_cliprdr_process_requested_raw(data, &size);
break;
case CB_FORMAT_UNICODETEXT:
outbuf = xf_cliprdr_process_requested_unicodetext(data, &size);
break;
case CB_FORMAT_TEXT:
outbuf = xf_cliprdr_process_requested_text(data, &size);
break;
case CB_FORMAT_DIB:
outbuf = xf_cliprdr_process_requested_dib(data, &size);
break;
case CB_FORMAT_HTML:
outbuf = xf_cliprdr_process_requested_html(data, &size);
break;
default:
outbuf = NULL;
break;
}
if (outbuf)
{
xf_cliprdr_send_data_response(xfi, outbuf, size);
}
else
{
xf_cliprdr_send_null_data_response(xfi);
}
/* Resend the format list, otherwise the server won't request again for the next paste */
xf_cliprdr_send_format_list(xfi);
}
static void xf_cliprdr_process_cb_data_request_event(xfInfo* xfi, RDP_CB_DATA_REQUEST_EVENT* event)
{
int i;
clipboardContext* cb = (clipboardContext*) xfi->clipboard_context;
DEBUG_X11_CLIPRDR("format %d", event->format);
if (xf_cliprdr_is_self_owned(xfi))
{
/* CB_FORMAT_RAW */
i = 0;
XChangeProperty(xfi->display, xfi->drawable, cb->property_atom,
XA_INTEGER, 32, PropModeReplace, (BYTE*) &event->format, 1);
}
else
{
i = xf_cliprdr_select_format_by_id(cb, event->format);
}
if (i < 0)
{
DEBUG_X11_CLIPRDR("unsupported format requested");
xf_cliprdr_send_null_data_response(xfi);
}
else
{
cb->request_index = i;
DEBUG_X11_CLIPRDR("target=%d", (int) cb->format_mappings[i].target_format);
XConvertSelection(xfi->display, cb->clipboard_atom,
cb->format_mappings[i].target_format, cb->property_atom,
xfi->drawable, CurrentTime);
XFlush(xfi->display);
/* After this point, we expect a SelectionNotify event from the clipboard owner. */
}
}
static BOOL xf_cliprdr_get_requested_data(xfInfo* xfi, Atom target)
{
Atom type;
int format;
BYTE* data = NULL;
BOOL has_data = FALSE;
unsigned long length, bytes_left, dummy;
clipboardContext* cb = (clipboardContext*) xfi->clipboard_context;
if ((cb->request_index < 0) || (cb->format_mappings[cb->request_index].target_format != target))
{
DEBUG_X11_CLIPRDR("invalid target");
xf_cliprdr_send_null_data_response(xfi);
return FALSE;
}
XGetWindowProperty(xfi->display, xfi->drawable,
cb->property_atom, 0, 0, 0, target,
&type, &format, &length, &bytes_left, &data);
DEBUG_X11_CLIPRDR("type=%d format=%d bytes=%d request_index=%d",
(int) type, format, (int) bytes_left, cb->request_index);
if (data)
{
XFree(data);
data = NULL;
}
if (bytes_left <= 0 && !cb->incr_starts)
{
DEBUG_X11("no data");
}
else if (type == cb->incr_atom)
{
DEBUG_X11("INCR started");
cb->incr_starts = TRUE;
if (cb->incr_data)
{
free(cb->incr_data);
cb->incr_data = NULL;
}
cb->incr_data_length = 0;
/* Data will be followed in PropertyNotify event */
has_data = TRUE;
}
else
{
if (bytes_left <= 0)
{
/* INCR finish */
data = cb->incr_data;
cb->incr_data = NULL;
bytes_left = cb->incr_data_length;
cb->incr_data_length = 0;
cb->incr_starts = 0;
DEBUG_X11("INCR finished");
has_data = TRUE;
}
else if (XGetWindowProperty(xfi->display, xfi->drawable,
cb->property_atom, 0, bytes_left, 0, target,
&type, &format, &length, &dummy, &data) == Success)
{
if (cb->incr_starts)
{
bytes_left = length * format / 8;
DEBUG_X11("%d bytes", (int)bytes_left);
cb->incr_data = (BYTE*) realloc(cb->incr_data, cb->incr_data_length + bytes_left);
CopyMemory(cb->incr_data + cb->incr_data_length, data, bytes_left);
cb->incr_data_length += bytes_left;
XFree(data);
data = NULL;
}
has_data = TRUE;
}
else
{
DEBUG_X11_CLIPRDR("XGetWindowProperty failed");
}
}
XDeleteProperty(xfi->display, xfi->drawable, cb->property_atom);
xf_cliprdr_process_requested_data(xfi, has_data, data, (int) bytes_left);
if (data)
XFree(data);
return TRUE;
}
