23 |
#include <X11/Xatom.h> |
#include <X11/Xatom.h> |
24 |
#include "rdesktop.h" |
#include "rdesktop.h" |
25 |
|
|
26 |
#define NUM_TARGETS 6 |
/* |
27 |
|
To gain better understanding of this code, one could be assisted by the following documents: |
28 |
|
- Inter-Client Communication Conventions Manual (ICCCM) |
29 |
|
HTML: http://tronche.com/gui/x/icccm/ |
30 |
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PDF: http://ftp.xfree86.org/pub/XFree86/4.5.0/doc/PDF/icccm.pdf |
31 |
|
- MSDN: Clipboard Formats |
32 |
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http://msdn.microsoft.com/library/en-us/winui/winui/windowsuserinterface/dataexchange/clipboard/clipboardformats.asp |
33 |
|
*/ |
34 |
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|
35 |
|
#ifdef HAVE_ICONV |
36 |
|
#ifdef HAVE_LANGINFO_H |
37 |
|
#ifdef HAVE_ICONV_H |
38 |
|
#include <langinfo.h> |
39 |
|
#include <iconv.h> |
40 |
|
#define USE_UNICODE_CLIPBOARD |
41 |
|
#endif |
42 |
|
#endif |
43 |
|
#endif |
44 |
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|
45 |
|
#ifdef USE_UNICODE_CLIPBOARD |
46 |
|
#define RDP_CF_TEXT CF_UNICODETEXT |
47 |
|
#else |
48 |
|
#define RDP_CF_TEXT CF_TEXT |
49 |
|
#endif |
50 |
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|
51 |
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#define MAX_TARGETS 7 |
52 |
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|
53 |
extern Display *g_display; |
extern Display *g_display; |
54 |
extern Window g_wnd; |
extern Window g_wnd; |
55 |
extern Time g_last_gesturetime; |
extern Time g_last_gesturetime; |
56 |
|
extern BOOL g_rdpclip; |
57 |
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|
58 |
static Atom clipboard_atom, primary_atom, targets_atom, timestamp_atom; |
/* Mode of operation. |
59 |
static Atom rdesktop_clipboard_target_atom, rdesktop_clipboard_formats_atom, incr_atom; |
- Auto: Look at both PRIMARY and CLIPBOARD and use the most recent. |
60 |
|
- Non-auto: Look at just CLIPBOARD. */ |
61 |
|
static BOOL auto_mode = True; |
62 |
|
/* Atoms of the two X selections we're dealing with: CLIPBOARD (explicit-copy) and PRIMARY (selection-copy) */ |
63 |
|
static Atom clipboard_atom, primary_atom; |
64 |
|
/* Atom of the TARGETS clipboard target */ |
65 |
|
static Atom targets_atom; |
66 |
|
/* Atom of the TIMESTAMP clipboard target */ |
67 |
|
static Atom timestamp_atom; |
68 |
|
/* Atom _RDESKTOP_CLIPBOARD_TARGET which has multiple uses: |
69 |
|
- The 'property' argument in XConvertSelection calls: This is the property of our |
70 |
|
window into which XConvertSelection will store the received clipboard data. |
71 |
|
- In a clipboard request of target _RDESKTOP_CLIPBOARD_FORMATS, an XA_INTEGER-typed |
72 |
|
property carrying the Windows native (CF_...) format desired by the requestor. |
73 |
|
Requestor set this property (e.g. requestor_wnd[_RDESKTOP_CLIPBOARD_TARGET] = CF_TEXT) |
74 |
|
before requesting clipboard data from a fellow rdesktop using |
75 |
|
the _RDESKTOP_CLIPBOARD_FORMATS target. */ |
76 |
|
static Atom rdesktop_clipboard_target_atom; |
77 |
|
/* Atoms _RDESKTOP_PRIMARY_TIMESTAMP_TARGET and _RDESKTOP_CLIPBOARD_TIMESTAMP_TARGET |
78 |
|
are used to store the timestamps for when a window got ownership of the selections. |
79 |
|
We use these to determine which is more recent and should be used. */ |
80 |
|
static Atom rdesktop_primary_timestamp_target_atom, rdesktop_clipboard_timestamp_target_atom; |
81 |
|
/* Storage for timestamps since we get them in two separate notifications. */ |
82 |
|
static Time primary_timestamp, clipboard_timestamp; |
83 |
|
/* Atom _RDESKTOP_CLIPBOARD_FORMATS which has multiple uses: |
84 |
|
- The clipboard target (X jargon for "clipboard format") for rdesktop-to-rdesktop interchange |
85 |
|
of Windows native clipboard data. |
86 |
|
This target cannot be used standalone; the requestor must keep the |
87 |
|
_RDESKTOP_CLIPBOARD_TARGET property on his window denoting |
88 |
|
the Windows native clipboard format being requested. |
89 |
|
- The root window property set by rdesktop when it owns the clipboard, |
90 |
|
denoting all Windows native clipboard formats it offers via |
91 |
|
requests of the _RDESKTOP_CLIPBOARD_FORMATS target. */ |
92 |
|
static Atom rdesktop_clipboard_formats_atom; |
93 |
|
static Atom format_string_atom, format_utf8_string_atom, format_unicode_atom; |
94 |
|
/* Atom of the INCR clipboard type (see ICCCM on "INCR Properties") */ |
95 |
|
static Atom incr_atom; |
96 |
|
/* Stores the last "selection request" (= another X client requesting clipboard data from us). |
97 |
|
To satisfy such a request, we request the clipboard data from the RDP server. |
98 |
|
When we receive the response from the RDP server (asynchronously), this variable gives us |
99 |
|
the context to proceed. */ |
100 |
static XSelectionRequestEvent selection_request; |
static XSelectionRequestEvent selection_request; |
101 |
static Atom targets[NUM_TARGETS]; |
/* Denotes we have a pending selection request. */ |
102 |
|
static Bool has_selection_request; |
103 |
|
/* Stores the clipboard format (CF_TEXT, CF_UNICODETEXT etc.) requested in the last |
104 |
|
CLIPDR_DATA_REQUEST (= the RDP server requesting clipboard data from us). |
105 |
|
When we receive this data from whatever X client offering it, this variable gives us |
106 |
|
the context to proceed. |
107 |
|
*/ |
108 |
|
static int rdp_clipboard_request_format; |
109 |
|
/* Array of offered clipboard targets that will be sent to fellow X clients upon a TARGETS request. */ |
110 |
|
static Atom targets[MAX_TARGETS]; |
111 |
|
static int num_targets; |
112 |
|
/* Denotes that this client currently holds the PRIMARY selection. */ |
113 |
static int have_primary = 0; |
static int have_primary = 0; |
114 |
|
/* Denotes that an rdesktop (not this rdesktop) is owning the selection, |
115 |
|
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. */ |
121 |
static int g_waiting_for_INCR = 0; |
static int g_waiting_for_INCR = 0; |
122 |
|
/* Denotes the target format of the ongoing INCR ("chunked") transfer. */ |
123 |
|
static Atom g_incr_target = 0; |
124 |
|
/* Buffers an INCR transfer. */ |
125 |
static uint8 *g_clip_buffer = 0; |
static uint8 *g_clip_buffer = 0; |
126 |
|
/* Denotes the size of g_clip_buffer. */ |
127 |
static uint32 g_clip_buflen = 0; |
static uint32 g_clip_buflen = 0; |
128 |
|
|
129 |
/* Replace CR-LF to LF (well, rather removing all CR:s) This is done |
/* Translate LF to CR-LF. To do this, we must allocate more memory. |
130 |
in-place. The length is updated. Handles embedded nulls */ |
The returned string is null-terminated, as required by CF_TEXT. |
131 |
|
Does not stop on embedded nulls. |
132 |
|
The length is updated. */ |
133 |
static void |
static void |
134 |
crlf2lf(uint8 * data, uint32 * length) |
crlf2lf(uint8 * data, uint32 * length) |
135 |
{ |
{ |
144 |
*length = dst - data; |
*length = dst - data; |
145 |
} |
} |
146 |
|
|
147 |
/* Translate LF to CR-LF. To do this, we must allocate more memory. |
#ifdef USE_UNICODE_CLIPBOARD |
148 |
|
/* Translate LF to CR-LF. To do this, we must allocate more memory. |
149 |
|
The returned string is null-terminated, as required by CF_UNICODETEXT. |
150 |
|
The size is updated. */ |
151 |
|
static uint8 * |
152 |
|
utf16_lf2crlf(uint8 * data, uint32 * size) |
153 |
|
{ |
154 |
|
uint8 *result; |
155 |
|
uint16 *inptr, *outptr; |
156 |
|
|
157 |
|
/* Worst case: Every char is LF */ |
158 |
|
result = xmalloc((*size * 2) + 2); |
159 |
|
if (result == NULL) |
160 |
|
return NULL; |
161 |
|
|
162 |
|
inptr = (uint16 *) data; |
163 |
|
outptr = (uint16 *) result; |
164 |
|
|
165 |
|
/* Check for a reversed BOM */ |
166 |
|
Bool swap_endianess = (*inptr == 0xfffe); |
167 |
|
|
168 |
|
while ((uint8 *) inptr < data + *size) |
169 |
|
{ |
170 |
|
uint16 uvalue = *inptr; |
171 |
|
if (swap_endianess) |
172 |
|
uvalue = ((uvalue << 8) & 0xff00) + (uvalue >> 8); |
173 |
|
if (uvalue == 0x0a) |
174 |
|
*outptr++ = swap_endianess ? 0x0d00 : 0x0d; |
175 |
|
*outptr++ = *inptr++; |
176 |
|
} |
177 |
|
*outptr++ = 0; /* null termination */ |
178 |
|
*size = (uint8 *) outptr - result; |
179 |
|
|
180 |
|
return result; |
181 |
|
} |
182 |
|
#else |
183 |
|
/* Translate LF to CR-LF. To do this, we must allocate more memory. |
184 |
The length is updated. */ |
The length is updated. */ |
185 |
static uint8 * |
static uint8 * |
186 |
lf2crlf(uint8 * data, uint32 * length) |
lf2crlf(uint8 * data, uint32 * length) |
206 |
|
|
207 |
return result; |
return result; |
208 |
} |
} |
209 |
|
#endif |
210 |
|
|
211 |
static void |
static void |
212 |
xclip_provide_selection(XSelectionRequestEvent * req, Atom type, unsigned int format, uint8 * data, |
xclip_provide_selection(XSelectionRequestEvent * req, Atom type, unsigned int format, uint8 * data, |
228 |
XSendEvent(g_display, req->requestor, False, NoEventMask, &xev); |
XSendEvent(g_display, req->requestor, False, NoEventMask, &xev); |
229 |
} |
} |
230 |
|
|
231 |
|
/* Replies a clipboard requestor, telling that we're unable to satisfy his request for whatever reason. |
232 |
|
This has the benefit of finalizing the clipboard negotiation and thus not leaving our requestor |
233 |
|
lingering (and, potentially, stuck). */ |
234 |
|
static void |
235 |
|
xclip_refuse_selection(XSelectionRequestEvent * req) |
236 |
|
{ |
237 |
|
XEvent xev; |
238 |
|
|
239 |
|
xev.xselection.type = SelectionNotify; |
240 |
|
xev.xselection.serial = 0; |
241 |
|
xev.xselection.send_event = True; |
242 |
|
xev.xselection.requestor = req->requestor; |
243 |
|
xev.xselection.selection = req->selection; |
244 |
|
xev.xselection.target = req->target; |
245 |
|
xev.xselection.property = None; |
246 |
|
xev.xselection.time = req->time; |
247 |
|
XSendEvent(g_display, req->requestor, False, NoEventMask, &xev); |
248 |
|
} |
249 |
|
|
250 |
|
/* Wrapper for cliprdr_send_data which also cleans the request state. */ |
251 |
|
static void |
252 |
|
helper_cliprdr_send_response(uint8 * data, uint32 length) |
253 |
|
{ |
254 |
|
if (rdp_clipboard_request_format != 0) |
255 |
|
{ |
256 |
|
cliprdr_send_data(data, length); |
257 |
|
rdp_clipboard_request_format = 0; |
258 |
|
if (!rdesktop_is_selection_owner) |
259 |
|
cliprdr_send_simple_native_format_announce(RDP_CF_TEXT); |
260 |
|
} |
261 |
|
} |
262 |
|
|
263 |
|
/* Last resort, when we have to provide clipboard data but for whatever |
264 |
|
reason couldn't get any. |
265 |
|
*/ |
266 |
|
static void |
267 |
|
helper_cliprdr_send_empty_response() |
268 |
|
{ |
269 |
|
helper_cliprdr_send_response(NULL, 0); |
270 |
|
} |
271 |
|
|
272 |
|
/* Replies with clipboard data to RDP, converting it from the target format |
273 |
|
to the expected RDP format as necessary. Returns true if data was sent. |
274 |
|
*/ |
275 |
|
static Bool |
276 |
|
xclip_send_data_with_convert(uint8 * source, size_t source_size, Atom target) |
277 |
|
{ |
278 |
|
#ifdef USE_UNICODE_CLIPBOARD |
279 |
|
if (target == format_string_atom || |
280 |
|
target == format_unicode_atom || target == format_utf8_string_atom) |
281 |
|
{ |
282 |
|
if (rdp_clipboard_request_format != RDP_CF_TEXT) |
283 |
|
return False; |
284 |
|
|
285 |
|
/* Make an attempt to convert any string we send to Unicode. |
286 |
|
We don't know what the RDP server's ANSI Codepage is, or how to convert |
287 |
|
to it, so using CF_TEXT is not safe (and is unnecessary, since all |
288 |
|
WinNT versions are Unicode-minded). |
289 |
|
*/ |
290 |
|
size_t unicode_buffer_size; |
291 |
|
char *unicode_buffer; |
292 |
|
iconv_t cd; |
293 |
|
|
294 |
|
if (target == format_string_atom) |
295 |
|
{ |
296 |
|
char *locale_charset = nl_langinfo(CODESET); |
297 |
|
cd = iconv_open(WINDOWS_CODEPAGE, locale_charset); |
298 |
|
if (cd == (iconv_t) - 1) |
299 |
|
{ |
300 |
|
DEBUG_CLIPBOARD(("Locale charset %s not found in iconv. Unable to convert clipboard text.\n", locale_charset)); |
301 |
|
return False; |
302 |
|
} |
303 |
|
unicode_buffer_size = source_size * 4; |
304 |
|
} |
305 |
|
else if (target == format_unicode_atom) |
306 |
|
{ |
307 |
|
cd = iconv_open(WINDOWS_CODEPAGE, "UCS-2"); |
308 |
|
if (cd == (iconv_t) - 1) |
309 |
|
{ |
310 |
|
return False; |
311 |
|
} |
312 |
|
unicode_buffer_size = source_size; |
313 |
|
} |
314 |
|
else if (target == format_utf8_string_atom) |
315 |
|
{ |
316 |
|
cd = iconv_open(WINDOWS_CODEPAGE, "UTF-8"); |
317 |
|
if (cd == (iconv_t) - 1) |
318 |
|
{ |
319 |
|
return False; |
320 |
|
} |
321 |
|
/* UTF-8 is guaranteed to be less or equally compact |
322 |
|
as UTF-16 for all Unicode chars >=2 bytes. |
323 |
|
*/ |
324 |
|
unicode_buffer_size = source_size * 2; |
325 |
|
} |
326 |
|
else |
327 |
|
{ |
328 |
|
return False; |
329 |
|
} |
330 |
|
|
331 |
|
unicode_buffer = xmalloc(unicode_buffer_size); |
332 |
|
size_t unicode_buffer_size_remaining = unicode_buffer_size; |
333 |
|
char *unicode_buffer_remaining = unicode_buffer; |
334 |
|
char *data_remaining = (char *) source; |
335 |
|
size_t data_size_remaining = source_size; |
336 |
|
iconv(cd, (ICONV_CONST char **) &data_remaining, &data_size_remaining, |
337 |
|
&unicode_buffer_remaining, &unicode_buffer_size_remaining); |
338 |
|
iconv_close(cd); |
339 |
|
|
340 |
|
/* translate linebreaks */ |
341 |
|
uint32 translated_data_size = unicode_buffer_size - unicode_buffer_size_remaining; |
342 |
|
uint8 *translated_data = |
343 |
|
utf16_lf2crlf((uint8 *) unicode_buffer, &translated_data_size); |
344 |
|
if (translated_data != NULL) |
345 |
|
{ |
346 |
|
DEBUG_CLIPBOARD(("Sending Unicode string of %d bytes\n", |
347 |
|
translated_data_size)); |
348 |
|
helper_cliprdr_send_response(translated_data, translated_data_size); |
349 |
|
xfree(translated_data); /* Not the same thing as XFree! */ |
350 |
|
} |
351 |
|
|
352 |
|
xfree(unicode_buffer); |
353 |
|
|
354 |
|
return True; |
355 |
|
} |
356 |
|
#else |
357 |
|
if (target == format_string_atom) |
358 |
|
{ |
359 |
|
uint8 *translated_data; |
360 |
|
uint32 length = source_size; |
361 |
|
|
362 |
|
if (rdp_clipboard_request_format != RDP_CF_TEXT) |
363 |
|
return False; |
364 |
|
|
365 |
|
DEBUG_CLIPBOARD(("Translating linebreaks before sending data\n")); |
366 |
|
translated_data = lf2crlf(source, &length); |
367 |
|
if (translated_data != NULL) |
368 |
|
{ |
369 |
|
helper_cliprdr_send_response(translated_data, length); |
370 |
|
xfree(translated_data); /* Not the same thing as XFree! */ |
371 |
|
} |
372 |
|
|
373 |
|
return True; |
374 |
|
} |
375 |
|
#endif |
376 |
|
else if (target == rdesktop_clipboard_formats_atom) |
377 |
|
{ |
378 |
|
helper_cliprdr_send_response(source, source_size + 1); |
379 |
|
|
380 |
|
return True; |
381 |
|
} |
382 |
|
else |
383 |
|
{ |
384 |
|
return False; |
385 |
|
} |
386 |
|
} |
387 |
|
|
388 |
|
static void |
389 |
|
xclip_clear_target_props() |
390 |
|
{ |
391 |
|
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_target_atom); |
392 |
|
XDeleteProperty(g_display, g_wnd, rdesktop_primary_timestamp_target_atom); |
393 |
|
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_timestamp_target_atom); |
394 |
|
} |
395 |
|
|
396 |
|
/* This function is called for SelectionNotify events. |
397 |
|
The SelectionNotify event is sent from the clipboard owner to the requestor |
398 |
|
after his request was satisfied. |
399 |
|
If this function is called, we're the requestor side. */ |
400 |
|
#ifndef MAKE_PROTO |
401 |
void |
void |
402 |
xclip_handle_SelectionNotify(XSelectionEvent * event) |
xclip_handle_SelectionNotify(XSelectionEvent * event) |
403 |
{ |
{ |
404 |
unsigned long nitems, bytes_left; |
unsigned long nitems, bytes_left; |
405 |
XWindowAttributes wa; |
XWindowAttributes wa; |
406 |
Atom type, best_target, text_target; |
Atom type; |
407 |
Atom *supported_targets; |
Atom *supported_targets; |
408 |
int res, i, format; |
int res, i, format; |
409 |
uint8 *data; |
uint8 *data = NULL; |
410 |
|
|
411 |
if (event->property == None) |
if (event->property == None) |
412 |
goto fail; |
goto fail; |
416 |
XGetAtomName(g_display, event->target), |
XGetAtomName(g_display, event->target), |
417 |
XGetAtomName(g_display, event->property))); |
XGetAtomName(g_display, event->property))); |
418 |
|
|
419 |
if (event->property == None) |
if (event->target == timestamp_atom) |
420 |
goto fail; |
{ |
421 |
|
if (event->selection == primary_atom) |
422 |
|
{ |
423 |
|
res = XGetWindowProperty(g_display, g_wnd, |
424 |
|
rdesktop_primary_timestamp_target_atom, 0, |
425 |
|
XMaxRequestSize(g_display), False, XA_INTEGER, |
426 |
|
&type, &format, &nitems, &bytes_left, &data); |
427 |
|
} |
428 |
|
else |
429 |
|
{ |
430 |
|
res = XGetWindowProperty(g_display, g_wnd, |
431 |
|
rdesktop_clipboard_timestamp_target_atom, 0, |
432 |
|
XMaxRequestSize(g_display), False, XA_INTEGER, |
433 |
|
&type, &format, &nitems, &bytes_left, &data); |
434 |
|
} |
435 |
|
|
436 |
|
|
437 |
|
if ((res != Success) || (nitems != 1)) |
438 |
|
{ |
439 |
|
DEBUG_CLIPBOARD(("XGetWindowProperty failed!\n")); |
440 |
|
goto fail; |
441 |
|
} |
442 |
|
|
443 |
|
if (event->selection == primary_atom) |
444 |
|
{ |
445 |
|
primary_timestamp = *(Time *) data; |
446 |
|
if (primary_timestamp == 0) |
447 |
|
primary_timestamp++; |
448 |
|
XDeleteProperty(g_display, g_wnd, rdesktop_primary_timestamp_target_atom); |
449 |
|
DEBUG_CLIPBOARD(("Got PRIMARY timestamp: %u\n", |
450 |
|
(unsigned) primary_timestamp)); |
451 |
|
} |
452 |
|
else |
453 |
|
{ |
454 |
|
clipboard_timestamp = *(Time *) data; |
455 |
|
if (clipboard_timestamp == 0) |
456 |
|
clipboard_timestamp++; |
457 |
|
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_timestamp_target_atom); |
458 |
|
DEBUG_CLIPBOARD(("Got CLIPBOARD timestamp: %u\n", |
459 |
|
(unsigned) clipboard_timestamp)); |
460 |
|
} |
461 |
|
|
462 |
|
XFree(data); |
463 |
|
|
464 |
|
if (primary_timestamp && clipboard_timestamp) |
465 |
|
{ |
466 |
|
if (primary_timestamp > clipboard_timestamp) |
467 |
|
{ |
468 |
|
DEBUG_CLIPBOARD(("PRIMARY is most recent selection.\n")); |
469 |
|
XConvertSelection(g_display, primary_atom, targets_atom, |
470 |
|
rdesktop_clipboard_target_atom, g_wnd, |
471 |
|
event->time); |
472 |
|
} |
473 |
|
else |
474 |
|
{ |
475 |
|
DEBUG_CLIPBOARD(("CLIPBOARD is most recent selection.\n")); |
476 |
|
XConvertSelection(g_display, clipboard_atom, targets_atom, |
477 |
|
rdesktop_clipboard_target_atom, g_wnd, |
478 |
|
event->time); |
479 |
|
} |
480 |
|
} |
481 |
|
|
482 |
|
return; |
483 |
|
} |
484 |
|
|
485 |
res = XGetWindowProperty(g_display, g_wnd, rdesktop_clipboard_target_atom, |
res = XGetWindowProperty(g_display, g_wnd, rdesktop_clipboard_target_atom, |
486 |
0, XMaxRequestSize(g_display), True, AnyPropertyType, |
0, XMaxRequestSize(g_display), False, AnyPropertyType, |
487 |
&type, &format, &nitems, &bytes_left, &data); |
&type, &format, &nitems, &bytes_left, &data); |
488 |
|
|
489 |
|
xclip_clear_target_props(); |
490 |
|
|
491 |
if (res != Success) |
if (res != Success) |
492 |
{ |
{ |
493 |
DEBUG_CLIPBOARD(("XGetWindowProperty failed!\n")); |
DEBUG_CLIPBOARD(("XGetWindowProperty failed!\n")); |
494 |
goto fail; |
goto fail; |
495 |
} |
} |
496 |
|
|
497 |
|
if (type == incr_atom) |
498 |
|
{ |
499 |
|
DEBUG_CLIPBOARD(("Received INCR.\n")); |
500 |
|
|
501 |
|
XGetWindowAttributes(g_display, g_wnd, &wa); |
502 |
|
if ((wa.your_event_mask | PropertyChangeMask) != wa.your_event_mask) |
503 |
|
{ |
504 |
|
XSelectInput(g_display, g_wnd, (wa.your_event_mask | PropertyChangeMask)); |
505 |
|
} |
506 |
|
XFree(data); |
507 |
|
g_incr_target = event->target; |
508 |
|
g_waiting_for_INCR = 1; |
509 |
|
return; |
510 |
|
} |
511 |
|
|
512 |
/* Negotiate target format */ |
/* Negotiate target format */ |
513 |
if (event->target == targets_atom) |
if (event->target == targets_atom) |
514 |
{ |
{ |
515 |
/* FIXME: We should choose format here based on what the server wanted */ |
/* Determine the best of text targets that we have available: |
516 |
best_target = XA_STRING; |
Prefer UTF8_STRING > text/unicode (unspecified encoding) > STRING |
517 |
|
(ignore TEXT and COMPOUND_TEXT because we don't have code to handle them) |
518 |
|
*/ |
519 |
|
int text_target_satisfaction = 0; |
520 |
|
Atom best_text_target = 0; /* measures how much we're satisfied with what we found */ |
521 |
if (type != None) |
if (type != None) |
522 |
{ |
{ |
523 |
supported_targets = (Atom *) data; |
supported_targets = (Atom *) data; |
|
text_target = XInternAtom(g_display, "TEXT", False); |
|
524 |
for (i = 0; i < nitems; i++) |
for (i = 0; i < nitems; i++) |
525 |
{ |
{ |
526 |
DEBUG_CLIPBOARD(("Target %d: %s\n", i, |
DEBUG_CLIPBOARD(("Target %d: %s\n", i, |
527 |
XGetAtomName(g_display, supported_targets[i]))); |
XGetAtomName(g_display, supported_targets[i]))); |
528 |
if (supported_targets[i] == text_target) |
if (supported_targets[i] == format_string_atom) |
529 |
|
{ |
530 |
|
if (text_target_satisfaction < 1) |
531 |
|
{ |
532 |
|
DEBUG_CLIPBOARD(("Other party supports STRING, choosing that as best_target\n")); |
533 |
|
best_text_target = supported_targets[i]; |
534 |
|
text_target_satisfaction = 1; |
535 |
|
} |
536 |
|
} |
537 |
|
#ifdef USE_UNICODE_CLIPBOARD |
538 |
|
else if (supported_targets[i] == format_unicode_atom) |
539 |
|
{ |
540 |
|
if (text_target_satisfaction < 2) |
541 |
|
{ |
542 |
|
DEBUG_CLIPBOARD(("Other party supports text/unicode, choosing that as best_target\n")); |
543 |
|
best_text_target = supported_targets[i]; |
544 |
|
text_target_satisfaction = 2; |
545 |
|
} |
546 |
|
} |
547 |
|
else if (supported_targets[i] == format_utf8_string_atom) |
548 |
{ |
{ |
549 |
DEBUG_CLIPBOARD(("Other party supports TEXT, choosing that as best_target\n")); |
if (text_target_satisfaction < 3) |
550 |
best_target = text_target; |
{ |
551 |
break; |
DEBUG_CLIPBOARD(("Other party supports UTF8_STRING, choosing that as best_target\n")); |
552 |
|
best_text_target = supported_targets[i]; |
553 |
|
text_target_satisfaction = 3; |
554 |
|
} |
555 |
} |
} |
556 |
|
#endif |
557 |
} |
} |
|
XFree(data); |
|
558 |
} |
} |
559 |
|
|
560 |
XConvertSelection(g_display, primary_atom, best_target, |
/* Kickstarting the next step in the process of satisfying RDP's |
561 |
rdesktop_clipboard_target_atom, g_wnd, event->time); |
clipboard request -- specifically, requesting the actual clipboard data. |
562 |
return; |
*/ |
563 |
} |
if (best_text_target != 0) |
|
|
|
|
if (type == incr_atom) |
|
|
{ |
|
|
DEBUG_CLIPBOARD(("Received INCR.\n")); |
|
|
|
|
|
XGetWindowAttributes(g_display, g_wnd, &wa); |
|
|
if ((wa.your_event_mask | PropertyChangeMask) != wa.your_event_mask) |
|
564 |
{ |
{ |
565 |
XSelectInput(g_display, g_wnd, (wa.your_event_mask | PropertyChangeMask)); |
XConvertSelection(g_display, event->selection, best_text_target, |
566 |
} |
rdesktop_clipboard_target_atom, g_wnd, event->time); |
567 |
XDeleteProperty(g_display, g_wnd, type); |
return; |
|
XFree(data); |
|
|
g_waiting_for_INCR = 1; |
|
|
|
|
|
if ((XGetWindowProperty(g_display, g_wnd, rdesktop_clipboard_target_atom, 0, |
|
|
4096L, True, AnyPropertyType, |
|
|
&type, &format, &nitems, &bytes_left, &data) != Success)) |
|
|
{ |
|
|
DEBUG_CLIPBOARD(("XGetWindowProperty failed.\n")); |
|
|
goto fail; |
|
568 |
} |
} |
569 |
else |
else |
570 |
{ |
{ |
571 |
uint8 *translated_data; |
DEBUG_CLIPBOARD(("Unable to find a textual target to satisfy RDP clipboard text request\n")); |
572 |
uint32 length = nitems; |
goto fail; |
|
|
|
|
translated_data = lf2crlf(data, &length); |
|
|
|
|
|
g_clip_buffer = (uint8 *) xmalloc(length); |
|
|
strncpy((char*)g_clip_buffer, (char*)translated_data, length); |
|
|
xfree(translated_data); |
|
|
g_clip_buflen = length; |
|
|
|
|
|
XFree(data); |
|
|
return; |
|
573 |
} |
} |
574 |
} |
} |
|
|
|
|
/* Translate linebreaks, but only if not getting data from |
|
|
other rdesktop instance */ |
|
|
if (event->target != rdesktop_clipboard_formats_atom) |
|
|
{ |
|
|
uint8 *translated_data; |
|
|
uint32 length = nitems; |
|
|
|
|
|
DEBUG_CLIPBOARD(("Translating linebreaks before sending data\n")); |
|
|
translated_data = lf2crlf(data, &length); |
|
|
cliprdr_send_data(translated_data, length + 1); |
|
|
xfree(translated_data); /* Not the same thing as XFree! */ |
|
|
} |
|
575 |
else |
else |
576 |
{ |
{ |
577 |
cliprdr_send_data(data, nitems + 1); |
if (!xclip_send_data_with_convert(data, nitems, event->target)) |
578 |
|
{ |
579 |
|
goto fail; |
580 |
|
} |
581 |
} |
} |
582 |
|
|
583 |
XFree(data); |
XFree(data); |
584 |
|
|
|
if (!rdesktop_is_selection_owner) |
|
|
cliprdr_send_text_format_announce(); |
|
585 |
return; |
return; |
586 |
|
|
587 |
fail: |
fail: |
588 |
cliprdr_send_data(NULL, 0); |
xclip_clear_target_props(); |
589 |
|
if (data) |
590 |
|
XFree(data); |
591 |
|
helper_cliprdr_send_empty_response(); |
592 |
} |
} |
593 |
|
|
594 |
|
/* This function is called for SelectionRequest events. |
595 |
|
The SelectionRequest event is sent from the requestor to the clipboard owner |
596 |
|
to request clipboard data. |
597 |
|
*/ |
598 |
void |
void |
599 |
xclip_handle_SelectionRequest(XSelectionRequestEvent * event) |
xclip_handle_SelectionRequest(XSelectionRequestEvent * event) |
600 |
{ |
{ |
611 |
|
|
612 |
if (event->target == targets_atom) |
if (event->target == targets_atom) |
613 |
{ |
{ |
614 |
xclip_provide_selection(event, XA_ATOM, 32, (uint8 *) & targets, NUM_TARGETS); |
xclip_provide_selection(event, XA_ATOM, 32, (uint8 *) & targets, num_targets); |
615 |
return; |
return; |
616 |
} |
} |
617 |
else if (event->target == timestamp_atom) |
else if (event->target == timestamp_atom) |
618 |
{ |
{ |
619 |
xclip_provide_selection(event, XA_INTEGER, 32, (uint8 *) & g_last_gesturetime, 1); |
xclip_provide_selection(event, XA_INTEGER, 32, (uint8 *) & acquire_time, 1); |
620 |
return; |
return; |
621 |
} |
} |
|
else if (event->target == rdesktop_clipboard_formats_atom) |
|
|
{ |
|
|
res = XGetWindowProperty(g_display, event->requestor, |
|
|
rdesktop_clipboard_target_atom, 0, 1, True, XA_INTEGER, |
|
|
&type, &format, &nitems, &bytes_left, &prop_return); |
|
|
wanted_format = (uint32 *) prop_return; |
|
|
format = (res == Success) ? *wanted_format : CF_TEXT; |
|
|
/* FIXME: Need to free returned data? */ |
|
|
} |
|
622 |
else |
else |
623 |
{ |
{ |
624 |
format = CF_TEXT; |
/* All the following targets require an async operation with the RDP server |
625 |
} |
and currently we don't do X clipboard request queueing so we can only |
626 |
|
handle one such request at a time. */ |
627 |
|
if (has_selection_request) |
628 |
|
{ |
629 |
|
DEBUG_CLIPBOARD(("Error: Another clipboard request was already sent to the RDP server and not yet responded. Refusing this request.\n")); |
630 |
|
xclip_refuse_selection(event); |
631 |
|
return; |
632 |
|
} |
633 |
|
if (event->target == rdesktop_clipboard_formats_atom) |
634 |
|
{ |
635 |
|
/* Before the requestor makes a request for the _RDESKTOP_CLIPBOARD_FORMATS target, |
636 |
|
he should declare requestor[_RDESKTOP_CLIPBOARD_TARGET] = CF_SOMETHING. |
637 |
|
Otherwise, we default to RDP_CF_TEXT. |
638 |
|
*/ |
639 |
|
res = XGetWindowProperty(g_display, event->requestor, |
640 |
|
rdesktop_clipboard_target_atom, 0, 1, True, |
641 |
|
XA_INTEGER, &type, &format, &nitems, &bytes_left, |
642 |
|
&prop_return); |
643 |
|
wanted_format = (uint32 *) prop_return; |
644 |
|
format = (res == Success) ? *wanted_format : RDP_CF_TEXT; |
645 |
|
XFree(prop_return); |
646 |
|
} |
647 |
|
else if (event->target == format_string_atom || event->target == XA_STRING) |
648 |
|
{ |
649 |
|
/* STRING and XA_STRING are defined to be ISO8859-1 */ |
650 |
|
format = CF_TEXT; |
651 |
|
} |
652 |
|
else if (event->target == format_utf8_string_atom) |
653 |
|
{ |
654 |
|
#ifdef USE_UNICODE_CLIPBOARD |
655 |
|
format = CF_UNICODETEXT; |
656 |
|
#else |
657 |
|
DEBUG_CLIPBOARD(("Requested target unavailable due to lack of Unicode support. (It was not in TARGETS, so why did you ask for it?!)\n")); |
658 |
|
xclip_refuse_selection(event); |
659 |
|
return; |
660 |
|
#endif |
661 |
|
} |
662 |
|
else if (event->target == format_unicode_atom) |
663 |
|
{ |
664 |
|
/* Assuming text/unicode to be UTF-16 */ |
665 |
|
format = CF_UNICODETEXT; |
666 |
|
} |
667 |
|
else |
668 |
|
{ |
669 |
|
DEBUG_CLIPBOARD(("Requested target unavailable. (It was not in TARGETS, so why did you ask for it?!)\n")); |
670 |
|
xclip_refuse_selection(event); |
671 |
|
return; |
672 |
|
} |
673 |
|
|
674 |
cliprdr_send_data_request(format); |
cliprdr_send_data_request(format); |
675 |
selection_request = *event; |
selection_request = *event; |
676 |
/* wait for data */ |
has_selection_request = True; |
677 |
|
return; /* wait for data */ |
678 |
|
} |
679 |
} |
} |
680 |
|
|
681 |
|
/* While this rdesktop holds ownership over the clipboard, it means the clipboard data |
682 |
|
is offered by the RDP server (and when it is pasted inside RDP, there's no network |
683 |
|
roundtrip). |
684 |
|
|
685 |
|
This event (SelectionClear) symbolizes this rdesktop lost onwership of the clipboard |
686 |
|
to some other X client. We should find out what clipboard formats this other |
687 |
|
client offers and announce that to RDP. */ |
688 |
void |
void |
689 |
xclip_handle_SelectionClear(void) |
xclip_handle_SelectionClear(void) |
690 |
{ |
{ |
691 |
DEBUG_CLIPBOARD(("xclip_handle_SelectionClear\n")); |
DEBUG_CLIPBOARD(("xclip_handle_SelectionClear\n")); |
692 |
have_primary = 0; |
have_primary = 0; |
693 |
XDeleteProperty(g_display, DefaultRootWindow(g_display), rdesktop_clipboard_formats_atom); |
XDeleteProperty(g_display, DefaultRootWindow(g_display), rdesktop_clipboard_formats_atom); |
694 |
cliprdr_send_text_format_announce(); |
/* FIXME: |
695 |
|
Without XFIXES, we cannot reliably know the formats offered by the |
696 |
|
new owner of the X11 clipboard, so we just lie about him |
697 |
|
offering RDP_CF_TEXT. */ |
698 |
|
cliprdr_send_simple_native_format_announce(RDP_CF_TEXT); |
699 |
} |
} |
700 |
|
|
701 |
|
/* Called when any property changes in our window or the root window. */ |
702 |
void |
void |
703 |
xclip_handle_PropertyNotify(XPropertyEvent * event) |
xclip_handle_PropertyNotify(XPropertyEvent * event) |
704 |
{ |
{ |
705 |
unsigned long nitems, bytes_left; |
unsigned long nitems; |
706 |
|
unsigned long offset = 0; |
707 |
|
unsigned long bytes_left = 1; |
708 |
int format, res; |
int format, res; |
709 |
XWindowAttributes wa; |
XWindowAttributes wa; |
710 |
uint8 *data; |
uint8 *data; |
713 |
if (event->state == PropertyNewValue && g_waiting_for_INCR) |
if (event->state == PropertyNewValue && g_waiting_for_INCR) |
714 |
{ |
{ |
715 |
DEBUG_CLIPBOARD(("x_clip_handle_PropertyNotify: g_waiting_for_INCR != 0\n")); |
DEBUG_CLIPBOARD(("x_clip_handle_PropertyNotify: g_waiting_for_INCR != 0\n")); |
|
if ((XGetWindowProperty(g_display, g_wnd, rdesktop_clipboard_target_atom, 0, |
|
|
4096L, True, AnyPropertyType, |
|
|
&type, &format, &nitems, &bytes_left, &data) != Success)) |
|
|
{ |
|
|
XFree(data); |
|
|
return; |
|
|
} |
|
716 |
|
|
717 |
if (nitems == 0) |
while (bytes_left > 0) |
718 |
{ |
{ |
719 |
XGetWindowAttributes(g_display, g_wnd, &wa); |
/* Unlike the specification, we don't set the 'delete' arugment to True |
720 |
XSelectInput(g_display, g_wnd, (wa.your_event_mask ^ PropertyChangeMask)); |
since we slurp the INCR's chunks in even-smaller chunks of 4096 bytes. */ |
721 |
XFree(data); |
if ((XGetWindowProperty |
722 |
g_waiting_for_INCR = 0; |
(g_display, g_wnd, rdesktop_clipboard_target_atom, offset, 4096L, |
723 |
|
False, AnyPropertyType, &type, &format, &nitems, &bytes_left, |
724 |
if (g_clip_buflen > 0) |
&data) != Success)) |
725 |
{ |
{ |
726 |
cliprdr_send_data(g_clip_buffer, g_clip_buflen + 1); |
XFree(data); |
727 |
|
return; |
|
if (!rdesktop_is_selection_owner) |
|
|
cliprdr_send_text_format_announce(); |
|
|
|
|
|
xfree(g_clip_buffer); |
|
|
g_clip_buffer = 0; |
|
|
g_clip_buflen = 0; |
|
728 |
} |
} |
|
} |
|
|
else |
|
|
{ |
|
|
uint8 *translated_data; |
|
|
uint32 length = nitems; |
|
|
uint8 *tmp; |
|
|
|
|
|
DEBUG_CLIPBOARD(("Translating linebreaks before sending data\n")); |
|
|
translated_data = lf2crlf(data, &length); |
|
|
|
|
|
tmp = xmalloc(length + g_clip_buflen); |
|
|
strncpy((char*)tmp, (char*)g_clip_buffer, g_clip_buflen); |
|
|
xfree(g_clip_buffer); |
|
729 |
|
|
730 |
strncpy((char*)(tmp + g_clip_buflen), (char*)translated_data, length); |
if (nitems == 0) |
731 |
xfree(translated_data); |
{ |
732 |
|
/* INCR transfer finished */ |
733 |
|
XGetWindowAttributes(g_display, g_wnd, &wa); |
734 |
|
XSelectInput(g_display, g_wnd, |
735 |
|
(wa.your_event_mask ^ PropertyChangeMask)); |
736 |
|
XFree(data); |
737 |
|
g_waiting_for_INCR = 0; |
738 |
|
|
739 |
g_clip_buffer = tmp; |
if (g_clip_buflen > 0) |
740 |
g_clip_buflen += length; |
{ |
741 |
|
if (!xclip_send_data_with_convert |
742 |
|
(g_clip_buffer, g_clip_buflen, g_incr_target)) |
743 |
|
{ |
744 |
|
helper_cliprdr_send_empty_response(); |
745 |
|
} |
746 |
|
xfree(g_clip_buffer); |
747 |
|
g_clip_buffer = NULL; |
748 |
|
g_clip_buflen = 0; |
749 |
|
} |
750 |
|
} |
751 |
|
else |
752 |
|
{ |
753 |
|
/* Another chunk in the INCR transfer */ |
754 |
|
offset += (nitems / 4); /* offset at which to begin the next slurp */ |
755 |
|
g_clip_buffer = xrealloc(g_clip_buffer, g_clip_buflen + nitems); |
756 |
|
memcpy(g_clip_buffer + g_clip_buflen, data, nitems); |
757 |
|
g_clip_buflen += nitems; |
758 |
|
|
759 |
XFree(data); |
XFree(data); |
760 |
return; |
} |
761 |
} |
} |
762 |
} |
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_target_atom); |
|
|
|
|
if (event->atom != rdesktop_clipboard_formats_atom) |
|
|
return; |
|
|
|
|
|
if (have_primary) /* from us */ |
|
763 |
return; |
return; |
764 |
|
} |
765 |
|
|
766 |
if (event->state == PropertyNewValue) |
if ((event->atom == rdesktop_clipboard_formats_atom) && |
767 |
|
(event->window == DefaultRootWindow(g_display)) && |
768 |
|
!have_primary /* not interested in our own events */ ) |
769 |
{ |
{ |
770 |
res = XGetWindowProperty(g_display, DefaultRootWindow(g_display), |
if (event->state == PropertyNewValue) |
|
rdesktop_clipboard_formats_atom, 0, |
|
|
XMaxRequestSize(g_display), False, XA_STRING, &type, |
|
|
&format, &nitems, &bytes_left, &data); |
|
|
|
|
|
if ((res == Success) && (nitems > 0)) |
|
771 |
{ |
{ |
772 |
cliprdr_send_native_format_announce(data, nitems); |
DEBUG_CLIPBOARD(("xclip_handle_PropertyNotify: getting fellow rdesktop formats\n")); |
773 |
rdesktop_is_selection_owner = 1; |
|
774 |
return; |
res = XGetWindowProperty(g_display, DefaultRootWindow(g_display), |
775 |
|
rdesktop_clipboard_formats_atom, 0, |
776 |
|
XMaxRequestSize(g_display), False, XA_STRING, |
777 |
|
&type, &format, &nitems, &bytes_left, &data); |
778 |
|
|
779 |
|
if ((res == Success) && (nitems > 0)) |
780 |
|
{ |
781 |
|
cliprdr_send_native_format_announce(data, nitems); |
782 |
|
rdesktop_is_selection_owner = 1; |
783 |
|
return; |
784 |
|
} |
785 |
} |
} |
|
} |
|
786 |
|
|
787 |
/* PropertyDelete, or XGetWindowProperty failed */ |
/* For some reason, we couldn't announce the native formats */ |
788 |
cliprdr_send_text_format_announce(); |
cliprdr_send_simple_native_format_announce(RDP_CF_TEXT); |
789 |
rdesktop_is_selection_owner = 0; |
rdesktop_is_selection_owner = 0; |
790 |
|
} |
791 |
} |
} |
792 |
|
#endif |
793 |
|
|
794 |
|
|
795 |
|
/* Called when the RDP server announces new clipboard data formats. |
796 |
|
In response, we: |
797 |
|
- take ownership over the clipboard |
798 |
|
- declare those formats in their Windows native form |
799 |
|
to other rdesktop instances on this X server */ |
800 |
void |
void |
801 |
ui_clip_format_announce(uint8 * data, uint32 length) |
ui_clip_format_announce(uint8 * data, uint32 length) |
802 |
{ |
{ |
803 |
XSetSelectionOwner(g_display, primary_atom, g_wnd, g_last_gesturetime); |
acquire_time = g_last_gesturetime; |
804 |
|
|
805 |
|
XSetSelectionOwner(g_display, primary_atom, g_wnd, acquire_time); |
806 |
if (XGetSelectionOwner(g_display, primary_atom) != g_wnd) |
if (XGetSelectionOwner(g_display, primary_atom) != g_wnd) |
807 |
{ |
{ |
808 |
warning("Failed to aquire ownership of PRIMARY clipboard\n"); |
warning("Failed to aquire ownership of PRIMARY clipboard\n"); |
814 |
rdesktop_clipboard_formats_atom, XA_STRING, 8, PropModeReplace, data, |
rdesktop_clipboard_formats_atom, XA_STRING, 8, PropModeReplace, data, |
815 |
length); |
length); |
816 |
|
|
817 |
XSetSelectionOwner(g_display, clipboard_atom, g_wnd, g_last_gesturetime); |
XSetSelectionOwner(g_display, clipboard_atom, g_wnd, acquire_time); |
818 |
if (XGetSelectionOwner(g_display, clipboard_atom) != g_wnd) |
if (XGetSelectionOwner(g_display, clipboard_atom) != g_wnd) |
819 |
warning("Failed to aquire ownership of CLIPBOARD clipboard\n"); |
warning("Failed to aquire ownership of CLIPBOARD clipboard\n"); |
820 |
} |
} |
821 |
|
|
822 |
|
/* Called when the RDP server responds with clipboard data (after we've requested it). */ |
823 |
void |
void |
824 |
ui_clip_handle_data(uint8 * data, uint32 length) |
ui_clip_handle_data(uint8 * data, uint32 length) |
825 |
{ |
{ |
826 |
if (selection_request.target != rdesktop_clipboard_formats_atom) |
BOOL free_data = False; |
827 |
|
|
828 |
|
if (length == 0) |
829 |
|
{ |
830 |
|
xclip_refuse_selection(&selection_request); |
831 |
|
has_selection_request = False; |
832 |
|
return; |
833 |
|
} |
834 |
|
|
835 |
|
if (selection_request.target == format_string_atom || selection_request.target == XA_STRING) |
836 |
{ |
{ |
837 |
|
/* We're expecting a CF_TEXT response */ |
838 |
uint8 *firstnull; |
uint8 *firstnull; |
839 |
|
|
840 |
/* translate linebreaks */ |
/* translate linebreaks */ |
847 |
length = firstnull - data + 1; |
length = firstnull - data + 1; |
848 |
} |
} |
849 |
} |
} |
850 |
|
#ifdef USE_UNICODE_CLIPBOARD |
851 |
|
else if (selection_request.target == format_utf8_string_atom) |
852 |
|
{ |
853 |
|
/* We're expecting a CF_UNICODETEXT response */ |
854 |
|
iconv_t cd = iconv_open("UTF-8", WINDOWS_CODEPAGE); |
855 |
|
if (cd != (iconv_t) - 1) |
856 |
|
{ |
857 |
|
size_t utf8_length = length * 2; |
858 |
|
char *utf8_data = malloc(utf8_length); |
859 |
|
size_t utf8_length_remaining = utf8_length; |
860 |
|
char *utf8_data_remaining = utf8_data; |
861 |
|
char *data_remaining = (char *) data; |
862 |
|
size_t length_remaining = (size_t) length; |
863 |
|
if (utf8_data == NULL) |
864 |
|
{ |
865 |
|
iconv_close(cd); |
866 |
|
return; |
867 |
|
} |
868 |
|
iconv(cd, (ICONV_CONST char **) &data_remaining, &length_remaining, |
869 |
|
&utf8_data_remaining, &utf8_length_remaining); |
870 |
|
iconv_close(cd); |
871 |
|
free_data = True; |
872 |
|
data = (uint8 *) utf8_data; |
873 |
|
length = utf8_length - utf8_length_remaining; |
874 |
|
} |
875 |
|
} |
876 |
|
else if (selection_request.target == format_unicode_atom) |
877 |
|
{ |
878 |
|
/* We're expecting a CF_UNICODETEXT response, so what we're |
879 |
|
receiving matches our requirements and there's no need |
880 |
|
for further conversions. */ |
881 |
|
} |
882 |
|
#endif |
883 |
|
else if (selection_request.target == rdesktop_clipboard_formats_atom) |
884 |
|
{ |
885 |
|
/* Pass as-is */ |
886 |
|
} |
887 |
|
else |
888 |
|
{ |
889 |
|
xclip_refuse_selection(&selection_request); |
890 |
|
has_selection_request = False; |
891 |
|
return; |
892 |
|
} |
893 |
|
|
894 |
|
xclip_provide_selection(&selection_request, selection_request.target, 8, data, length - 1); |
895 |
|
has_selection_request = False; |
896 |
|
|
897 |
xclip_provide_selection(&selection_request, XA_STRING, 8, data, length - 1); |
if (free_data) |
898 |
|
free(data); |
899 |
} |
} |
900 |
|
|
901 |
void |
void |
902 |
ui_clip_request_data(uint32 format) |
ui_clip_request_data(uint32 format) |
903 |
{ |
{ |
904 |
Window selectionowner; |
Window primary_owner, clipboard_owner; |
905 |
|
|
906 |
DEBUG_CLIPBOARD(("Request from server for format %d\n", format)); |
DEBUG_CLIPBOARD(("Request from server for format %d\n", format)); |
907 |
|
rdp_clipboard_request_format = format; |
908 |
|
|
909 |
|
xclip_clear_target_props(); |
910 |
|
|
911 |
if (rdesktop_is_selection_owner) |
if (rdesktop_is_selection_owner) |
912 |
{ |
{ |
918 |
return; |
return; |
919 |
} |
} |
920 |
|
|
921 |
selectionowner = XGetSelectionOwner(g_display, primary_atom); |
if (auto_mode) |
922 |
if (selectionowner != None) |
primary_owner = XGetSelectionOwner(g_display, primary_atom); |
923 |
|
else |
924 |
|
primary_owner = None; |
925 |
|
|
926 |
|
clipboard_owner = XGetSelectionOwner(g_display, clipboard_atom); |
927 |
|
|
928 |
|
/* Both available */ |
929 |
|
if ((primary_owner != None) && (clipboard_owner != None)) |
930 |
|
{ |
931 |
|
primary_timestamp = 0; |
932 |
|
clipboard_timestamp = 0; |
933 |
|
XConvertSelection(g_display, primary_atom, timestamp_atom, |
934 |
|
rdesktop_primary_timestamp_target_atom, g_wnd, CurrentTime); |
935 |
|
XConvertSelection(g_display, clipboard_atom, timestamp_atom, |
936 |
|
rdesktop_clipboard_timestamp_target_atom, g_wnd, CurrentTime); |
937 |
|
return; |
938 |
|
} |
939 |
|
|
940 |
|
/* Just PRIMARY */ |
941 |
|
if (primary_owner != None) |
942 |
{ |
{ |
943 |
XConvertSelection(g_display, primary_atom, targets_atom, |
XConvertSelection(g_display, primary_atom, targets_atom, |
944 |
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
945 |
return; |
return; |
946 |
} |
} |
947 |
|
|
948 |
/* No PRIMARY, try CLIPBOARD */ |
/* Just CLIPBOARD */ |
949 |
selectionowner = XGetSelectionOwner(g_display, clipboard_atom); |
if (clipboard_owner != None) |
|
if (selectionowner != None) |
|
950 |
{ |
{ |
951 |
XConvertSelection(g_display, clipboard_atom, targets_atom, |
XConvertSelection(g_display, clipboard_atom, targets_atom, |
952 |
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
954 |
} |
} |
955 |
|
|
956 |
/* No data available */ |
/* No data available */ |
957 |
cliprdr_send_data(NULL, 0); |
helper_cliprdr_send_empty_response(); |
958 |
} |
} |
959 |
|
|
960 |
void |
void |
961 |
ui_clip_sync(void) |
ui_clip_sync(void) |
962 |
{ |
{ |
963 |
cliprdr_send_text_format_announce(); |
cliprdr_send_simple_native_format_announce(RDP_CF_TEXT); |
964 |
} |
} |
965 |
|
|
966 |
|
void |
967 |
|
ui_clip_set_mode(const char *optarg) |
968 |
|
{ |
969 |
|
g_rdpclip = True; |
970 |
|
|
971 |
|
if (str_startswith(optarg, "auto") || str_startswith(optarg, "on") |
972 |
|
|| str_startswith(optarg, "PRIMARYCLIPBOARD")) |
973 |
|
auto_mode = True; |
974 |
|
else if (str_startswith(optarg, "CLIPBOARD")) |
975 |
|
auto_mode = False; |
976 |
|
else |
977 |
|
{ |
978 |
|
warning("Invalid clipboard mode '%s'.\n", optarg); |
979 |
|
g_rdpclip = False; |
980 |
|
} |
981 |
|
} |
982 |
|
|
983 |
void |
void |
984 |
xclip_init(void) |
xclip_init(void) |
985 |
{ |
{ |
986 |
|
if (!g_rdpclip) |
987 |
|
return; |
988 |
|
|
989 |
if (!cliprdr_init()) |
if (!cliprdr_init()) |
990 |
return; |
return; |
991 |
|
|
995 |
timestamp_atom = XInternAtom(g_display, "TIMESTAMP", False); |
timestamp_atom = XInternAtom(g_display, "TIMESTAMP", False); |
996 |
rdesktop_clipboard_target_atom = |
rdesktop_clipboard_target_atom = |
997 |
XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_TARGET", False); |
XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_TARGET", False); |
998 |
|
rdesktop_primary_timestamp_target_atom = |
999 |
|
XInternAtom(g_display, "_RDESKTOP_PRIMARY_TIMESTAMP_TARGET", False); |
1000 |
|
rdesktop_clipboard_timestamp_target_atom = |
1001 |
|
XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_TIMESTAMP_TARGET", False); |
1002 |
incr_atom = XInternAtom(g_display, "INCR", False); |
incr_atom = XInternAtom(g_display, "INCR", False); |
1003 |
targets[0] = targets_atom; |
format_string_atom = XInternAtom(g_display, "STRING", False); |
1004 |
targets[1] = XInternAtom(g_display, "TEXT", False); |
format_utf8_string_atom = XInternAtom(g_display, "UTF8_STRING", False); |
1005 |
targets[2] = XInternAtom(g_display, "STRING", False); |
format_unicode_atom = XInternAtom(g_display, "text/unicode", False); |
|
targets[3] = XInternAtom(g_display, "text/unicode", False); |
|
|
targets[4] = XInternAtom(g_display, "TIMESTAMP", False); |
|
|
targets[5] = XA_STRING; |
|
1006 |
|
|
1007 |
/* rdesktop sets _RDESKTOP_CLIPBOARD_FORMATS on the root window when acquiring the clipboard. |
/* rdesktop sets _RDESKTOP_CLIPBOARD_FORMATS on the root window when acquiring the clipboard. |
1008 |
Other interested rdesktops can use this to notify their server of the available formats. */ |
Other interested rdesktops can use this to notify their server of the available formats. */ |
1009 |
rdesktop_clipboard_formats_atom = |
rdesktop_clipboard_formats_atom = |
1010 |
XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_FORMATS", False); |
XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_FORMATS", False); |
1011 |
XSelectInput(g_display, DefaultRootWindow(g_display), PropertyChangeMask); |
XSelectInput(g_display, DefaultRootWindow(g_display), PropertyChangeMask); |
1012 |
|
|
1013 |
|
num_targets = 0; |
1014 |
|
targets[num_targets++] = targets_atom; |
1015 |
|
targets[num_targets++] = timestamp_atom; |
1016 |
|
targets[num_targets++] = rdesktop_clipboard_formats_atom; |
1017 |
|
#ifdef USE_UNICODE_CLIPBOARD |
1018 |
|
targets[num_targets++] = format_utf8_string_atom; |
1019 |
|
#endif |
1020 |
|
targets[num_targets++] = format_unicode_atom; |
1021 |
|
targets[num_targets++] = format_string_atom; |
1022 |
|
targets[num_targets++] = XA_STRING; |
1023 |
} |
} |