1 |
matthewc |
432 |
/* -*- c-basic-offset: 8 -*- |
2 |
|
|
rdesktop: A Remote Desktop Protocol client. |
3 |
|
|
Protocol services - Clipboard functions |
4 |
|
|
Copyright (C) Erik Forsberg <forsberg@cendio.se> 2003 |
5 |
|
|
Copyright (C) Matthew Chapman 2003 |
6 |
|
|
|
7 |
|
|
This program is free software; you can redistribute it and/or modify |
8 |
|
|
it under the terms of the GNU General Public License as published by |
9 |
|
|
the Free Software Foundation; either version 2 of the License, or |
10 |
|
|
(at your option) any later version. |
11 |
|
|
|
12 |
|
|
This program is distributed in the hope that it will be useful, |
13 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 |
|
|
GNU General Public License for more details. |
16 |
|
|
|
17 |
|
|
You should have received a copy of the GNU General Public License |
18 |
|
|
along with this program; if not, write to the Free Software |
19 |
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 |
|
|
*/ |
21 |
|
|
|
22 |
|
|
#include <X11/Xlib.h> |
23 |
|
|
#include <X11/Xatom.h> |
24 |
|
|
#include "rdesktop.h" |
25 |
|
|
|
26 |
forsberg |
1027 |
/* |
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 |
|
|
PDF: http://ftp.xfree86.org/pub/XFree86/4.5.0/doc/PDF/icccm.pdf |
31 |
|
|
- MSDN: Clipboard Formats |
32 |
|
|
http://msdn.microsoft.com/library/en-us/winui/winui/windowsuserinterface/dataexchange/clipboard/clipboardformats.asp |
33 |
|
|
*/ |
34 |
|
|
|
35 |
forsberg |
1037 |
#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 |
matthewc |
432 |
|
45 |
forsberg |
1037 |
#ifdef USE_UNICODE_CLIPBOARD |
46 |
|
|
#define RDP_CF_TEXT CF_UNICODETEXT |
47 |
|
|
#else |
48 |
|
|
#define RDP_CF_TEXT CF_TEXT |
49 |
|
|
#endif |
50 |
|
|
|
51 |
|
|
#define MAX_TARGETS 7 |
52 |
|
|
|
53 |
jsorg71 |
450 |
extern Display *g_display; |
54 |
|
|
extern Window g_wnd; |
55 |
|
|
extern Time g_last_gesturetime; |
56 |
matthewc |
432 |
|
57 |
forsberg |
1027 |
/* Atoms of the two X selections we're dealing with: CLIPBOARD (explicit-copy) and PRIMARY (selection-copy) */ |
58 |
|
|
static Atom clipboard_atom, primary_atom; |
59 |
|
|
/* Atom of the TARGETS clipboard target */ |
60 |
|
|
static Atom targets_atom; |
61 |
|
|
/* Atom of the TIMESTAMP clipboard target */ |
62 |
|
|
static Atom timestamp_atom; |
63 |
|
|
/* Atom _RDESKTOP_CLIPBOARD_TARGET which has multiple uses: |
64 |
|
|
- The 'property' argument in XConvertSelection calls: This is the property of our |
65 |
|
|
window into which XConvertSelection will store the received clipboard data. |
66 |
|
|
- In a clipboard request of target _RDESKTOP_CLIPBOARD_FORMATS, an XA_INTEGER-typed |
67 |
|
|
property carrying the Windows native (CF_...) format desired by the requestor. |
68 |
|
|
Requestor set this property (e.g. requestor_wnd[_RDESKTOP_CLIPBOARD_TARGET] = CF_TEXT) |
69 |
|
|
before requesting clipboard data from a fellow rdesktop using |
70 |
|
|
the _RDESKTOP_CLIPBOARD_FORMATS target. */ |
71 |
|
|
static Atom rdesktop_clipboard_target_atom; |
72 |
|
|
/* Atom _RDESKTOP_CLIPBOARD_FORMATS which has multiple uses: |
73 |
|
|
- The clipboard target (X jargon for "clipboard format") for rdesktop-to-rdesktop interchange |
74 |
|
|
of Windows native clipboard data. |
75 |
|
|
This target cannot be used standalone; the requestor must keep the |
76 |
|
|
_RDESKTOP_CLIPBOARD_TARGET property on his window denoting |
77 |
|
|
the Windows native clipboard format being requested. |
78 |
|
|
- The root window property set by rdesktop when it owns the clipboard, |
79 |
|
|
denoting all Windows native clipboard formats it offers via |
80 |
|
|
requests of the _RDESKTOP_CLIPBOARD_FORMATS target. */ |
81 |
|
|
static Atom rdesktop_clipboard_formats_atom; |
82 |
forsberg |
1037 |
static Atom format_string_atom, format_utf8_string_atom, format_unicode_atom; |
83 |
forsberg |
1027 |
/* Atom of the INCR clipboard type (see ICCCM on "INCR Properties") */ |
84 |
|
|
static Atom incr_atom; |
85 |
|
|
/* Stores the last "selection request" (= another X client requesting clipboard data from us). |
86 |
|
|
To satisfy such a request, we request the clipboard data from the RDP server. |
87 |
|
|
When we receive the response from the RDP server (asynchronously), this variable gives us |
88 |
|
|
the context to proceed. */ |
89 |
matthewc |
432 |
static XSelectionRequestEvent selection_request; |
90 |
forsberg |
1037 |
/* Denotes we have a pending selection request. */ |
91 |
|
|
static Bool has_selection_request; |
92 |
|
|
/* Stores the clipboard format (CF_TEXT, CF_UNICODETEXT etc.) requested in the last |
93 |
|
|
CLIPDR_DATA_REQUEST (= the RDP server requesting clipboard data from us). |
94 |
|
|
When we receive this data from whatever X client offering it, this variable gives us |
95 |
|
|
the context to proceed. |
96 |
|
|
*/ |
97 |
|
|
static int rdp_clipboard_request_format; |
98 |
forsberg |
1027 |
/* Array of offered clipboard targets that will be sent to fellow X clients upon a TARGETS request. */ |
99 |
forsberg |
1037 |
static Atom targets[MAX_TARGETS]; |
100 |
|
|
static int num_targets; |
101 |
forsberg |
1027 |
/* Denotes that this client currently holds the PRIMARY selection. */ |
102 |
matthewc |
432 |
static int have_primary = 0; |
103 |
forsberg |
1027 |
/* Denotes that an rdesktop (not this rdesktop) is owning the selection, |
104 |
|
|
allowing us to interchange Windows native clipboard data directly. */ |
105 |
matthewc |
432 |
static int rdesktop_is_selection_owner = 0; |
106 |
|
|
|
107 |
forsberg |
1027 |
/* Denotes that an INCR ("chunked") transfer is in progress. */ |
108 |
astrand |
913 |
static int g_waiting_for_INCR = 0; |
109 |
forsberg |
1037 |
/* Denotes the target format of the ongoing INCR ("chunked") transfer. */ |
110 |
|
|
static Atom g_incr_target = 0; |
111 |
forsberg |
1027 |
/* Buffers an INCR transfer. */ |
112 |
astrand |
913 |
static uint8 *g_clip_buffer = 0; |
113 |
forsberg |
1027 |
/* Denotes the size of g_clip_buffer. */ |
114 |
astrand |
913 |
static uint32 g_clip_buflen = 0; |
115 |
astrand |
551 |
|
116 |
forsberg |
1027 |
/* Translate LF to CR-LF. To do this, we must allocate more memory. |
117 |
|
|
The returned string is null-terminated, as required by CF_TEXT. |
118 |
|
|
Does not stop on embedded nulls. |
119 |
|
|
The length is updated. */ |
120 |
matthewc |
432 |
static void |
121 |
astrand |
551 |
crlf2lf(uint8 * data, uint32 * length) |
122 |
|
|
{ |
123 |
|
|
uint8 *dst, *src; |
124 |
|
|
src = dst = data; |
125 |
|
|
while (src < data + *length) |
126 |
|
|
{ |
127 |
|
|
if (*src != '\x0d') |
128 |
|
|
*dst++ = *src; |
129 |
|
|
src++; |
130 |
|
|
} |
131 |
|
|
*length = dst - data; |
132 |
|
|
} |
133 |
|
|
|
134 |
forsberg |
1037 |
#ifdef USE_UNICODE_CLIPBOARD |
135 |
|
|
/* Translate LF to CR-LF. To do this, we must allocate more memory. |
136 |
|
|
The returned string is null-terminated, as required by CF_UNICODETEXT. |
137 |
|
|
The size is updated. */ |
138 |
|
|
static uint8 * |
139 |
|
|
utf16_lf2crlf(uint8 * data, uint32 * size) |
140 |
|
|
{ |
141 |
|
|
uint8 *result; |
142 |
|
|
uint16 *inptr, *outptr; |
143 |
|
|
|
144 |
|
|
/* Worst case: Every char is LF */ |
145 |
|
|
result = xmalloc((*size * 2) + 2); |
146 |
|
|
if (result == NULL) |
147 |
|
|
return NULL; |
148 |
|
|
|
149 |
|
|
inptr = (uint16*)data; |
150 |
|
|
outptr = (uint16*)result; |
151 |
|
|
|
152 |
|
|
/* Check for a reversed BOM */ |
153 |
|
|
Bool swap_endianess = (*inptr == 0xfffe); |
154 |
|
|
|
155 |
|
|
while ((uint8*)inptr < data + *size) |
156 |
|
|
{ |
157 |
|
|
uint16 uvalue = *inptr; |
158 |
|
|
if (swap_endianess) |
159 |
|
|
uvalue = ((uvalue << 8) & 0xff00) + (uvalue >> 8); |
160 |
|
|
if (uvalue == 0x0a) |
161 |
|
|
*outptr++ = swap_endianess ? 0x0d00 : 0x0d; |
162 |
|
|
*outptr++ = *inptr++; |
163 |
|
|
} |
164 |
|
|
*outptr++ = 0; /* null termination */ |
165 |
|
|
*size = (uint8*)outptr - result; |
166 |
|
|
|
167 |
|
|
return result; |
168 |
|
|
} |
169 |
|
|
#else |
170 |
|
|
/* Translate LF to CR-LF. To do this, we must allocate more memory. |
171 |
astrand |
551 |
The length is updated. */ |
172 |
|
|
static uint8 * |
173 |
|
|
lf2crlf(uint8 * data, uint32 * length) |
174 |
|
|
{ |
175 |
|
|
uint8 *result, *p, *o; |
176 |
|
|
|
177 |
|
|
/* Worst case: Every char is LF */ |
178 |
|
|
result = xmalloc(*length * 2); |
179 |
|
|
|
180 |
|
|
p = data; |
181 |
|
|
o = result; |
182 |
|
|
|
183 |
|
|
while (p < data + *length) |
184 |
|
|
{ |
185 |
|
|
if (*p == '\x0a') |
186 |
|
|
*o++ = '\x0d'; |
187 |
|
|
*o++ = *p++; |
188 |
|
|
} |
189 |
|
|
*length = o - result; |
190 |
|
|
|
191 |
|
|
/* Convenience */ |
192 |
|
|
*o++ = '\0'; |
193 |
|
|
|
194 |
|
|
return result; |
195 |
|
|
} |
196 |
forsberg |
1037 |
#endif |
197 |
astrand |
551 |
|
198 |
|
|
static void |
199 |
astrand |
435 |
xclip_provide_selection(XSelectionRequestEvent * req, Atom type, unsigned int format, uint8 * data, |
200 |
|
|
uint32 length) |
201 |
matthewc |
432 |
{ |
202 |
|
|
XEvent xev; |
203 |
|
|
|
204 |
jsorg71 |
450 |
XChangeProperty(g_display, req->requestor, req->property, |
205 |
matthewc |
432 |
type, format, PropModeReplace, data, length); |
206 |
|
|
|
207 |
|
|
xev.xselection.type = SelectionNotify; |
208 |
|
|
xev.xselection.serial = 0; |
209 |
|
|
xev.xselection.send_event = True; |
210 |
|
|
xev.xselection.requestor = req->requestor; |
211 |
|
|
xev.xselection.selection = req->selection; |
212 |
|
|
xev.xselection.target = req->target; |
213 |
|
|
xev.xselection.property = req->property; |
214 |
|
|
xev.xselection.time = req->time; |
215 |
jsorg71 |
450 |
XSendEvent(g_display, req->requestor, False, NoEventMask, &xev); |
216 |
matthewc |
432 |
} |
217 |
|
|
|
218 |
forsberg |
1037 |
/* Replies a clipboard requestor, telling that we're unable to satisfy his request for whatever reason. |
219 |
|
|
This has the benefit of finalizing the clipboard negotiation and thus not leaving our requestor |
220 |
|
|
lingering (and, potentially, stuck). */ |
221 |
|
|
static void |
222 |
|
|
xclip_refuse_selection(XSelectionRequestEvent * req) |
223 |
|
|
{ |
224 |
|
|
XEvent xev; |
225 |
|
|
|
226 |
|
|
xev.xselection.type = SelectionNotify; |
227 |
|
|
xev.xselection.serial = 0; |
228 |
|
|
xev.xselection.send_event = True; |
229 |
|
|
xev.xselection.requestor = req->requestor; |
230 |
|
|
xev.xselection.selection = req->selection; |
231 |
|
|
xev.xselection.target = req->target; |
232 |
|
|
xev.xselection.property = None; |
233 |
|
|
xev.xselection.time = req->time; |
234 |
|
|
XSendEvent(g_display, req->requestor, False, NoEventMask, &xev); |
235 |
|
|
} |
236 |
|
|
|
237 |
|
|
/* Wrapper for cliprdr_send_data which also cleans the request state. */ |
238 |
|
|
static void |
239 |
|
|
helper_cliprdr_send_response(uint8 * data, uint32 length) |
240 |
|
|
{ |
241 |
|
|
if (rdp_clipboard_request_format != 0) |
242 |
|
|
{ |
243 |
|
|
cliprdr_send_data(data, length); |
244 |
|
|
rdp_clipboard_request_format = 0; |
245 |
|
|
if (!rdesktop_is_selection_owner) |
246 |
|
|
cliprdr_send_simple_native_format_announce(RDP_CF_TEXT); |
247 |
|
|
} |
248 |
|
|
} |
249 |
|
|
|
250 |
|
|
/* Last resort, when we have to provide clipboard data but for whatever |
251 |
|
|
reason couldn't get any. |
252 |
|
|
*/ |
253 |
|
|
static void |
254 |
|
|
helper_cliprdr_send_empty_response() |
255 |
|
|
{ |
256 |
|
|
helper_cliprdr_send_response(NULL, 0); |
257 |
|
|
} |
258 |
|
|
|
259 |
|
|
/* Replies with clipboard data to RDP, converting it from the target format |
260 |
|
|
to the expected RDP format as necessary. Returns true if data was sent. |
261 |
|
|
*/ |
262 |
|
|
static Bool |
263 |
|
|
xclip_send_data_with_convert(uint8* source, size_t source_size, Atom target) |
264 |
|
|
{ |
265 |
|
|
#ifdef USE_UNICODE_CLIPBOARD |
266 |
|
|
if (target == format_string_atom || |
267 |
|
|
target == format_unicode_atom || |
268 |
|
|
target == format_utf8_string_atom) |
269 |
|
|
{ |
270 |
|
|
if (rdp_clipboard_request_format != RDP_CF_TEXT) |
271 |
|
|
return False; |
272 |
|
|
|
273 |
|
|
/* Make an attempt to convert any string we send to Unicode. |
274 |
|
|
We don't know what the RDP server's ANSI Codepage is, or how to convert |
275 |
|
|
to it, so using CF_TEXT is not safe (and is unnecessary, since all |
276 |
|
|
WinNT versions are Unicode-minded). |
277 |
|
|
*/ |
278 |
|
|
size_t unicode_buffer_size; |
279 |
|
|
char* unicode_buffer; |
280 |
|
|
iconv_t cd; |
281 |
|
|
|
282 |
|
|
if (target == format_string_atom) |
283 |
|
|
{ |
284 |
|
|
char* locale_charset = nl_langinfo(CODESET); |
285 |
|
|
cd = iconv_open(WINDOWS_CODEPAGE, locale_charset); |
286 |
|
|
if (cd == (iconv_t)-1) |
287 |
|
|
{ |
288 |
|
|
DEBUG_CLIPBOARD(("Locale charset %s not found in iconv. Unable to convert clipboard text.\n", locale_charset)); |
289 |
|
|
return False; |
290 |
|
|
} |
291 |
|
|
unicode_buffer_size = source_size * 4; |
292 |
|
|
} |
293 |
|
|
else if (target == format_unicode_atom) |
294 |
|
|
{ |
295 |
|
|
cd = iconv_open(WINDOWS_CODEPAGE, "UCS-2"); |
296 |
|
|
if (cd == (iconv_t)-1) |
297 |
|
|
{ |
298 |
|
|
return False; |
299 |
|
|
} |
300 |
|
|
unicode_buffer_size = source_size; |
301 |
|
|
} |
302 |
|
|
else if (target == format_utf8_string_atom) |
303 |
|
|
{ |
304 |
|
|
cd = iconv_open(WINDOWS_CODEPAGE, "UTF-8"); |
305 |
|
|
if (cd == (iconv_t)-1) |
306 |
|
|
{ |
307 |
|
|
return False; |
308 |
|
|
} |
309 |
|
|
/* UTF-8 is guaranteed to be less or equally compact |
310 |
|
|
as UTF-16 for all Unicode chars >=2 bytes. |
311 |
|
|
*/ |
312 |
|
|
unicode_buffer_size = source_size * 2; |
313 |
|
|
} |
314 |
|
|
else |
315 |
|
|
{ |
316 |
|
|
return False; |
317 |
|
|
} |
318 |
|
|
|
319 |
|
|
unicode_buffer = xmalloc(unicode_buffer_size); |
320 |
|
|
size_t unicode_buffer_size_remaining = unicode_buffer_size; |
321 |
|
|
char* unicode_buffer_remaining = unicode_buffer; |
322 |
|
|
char* data_remaining = (char*)source; |
323 |
|
|
size_t data_size_remaining = source_size; |
324 |
|
|
iconv(cd, &data_remaining, &data_size_remaining, &unicode_buffer_remaining, &unicode_buffer_size_remaining); |
325 |
|
|
iconv_close(cd); |
326 |
|
|
|
327 |
|
|
/* translate linebreaks */ |
328 |
|
|
uint32 translated_data_size = unicode_buffer_size - unicode_buffer_size_remaining; |
329 |
|
|
uint8* translated_data = utf16_lf2crlf((uint8*)unicode_buffer, &translated_data_size); |
330 |
|
|
if (translated_data != NULL) |
331 |
|
|
{ |
332 |
|
|
DEBUG_CLIPBOARD(("Sending Unicode string of %d bytes\n", translated_data_size)); |
333 |
|
|
cliprdr_send_data(translated_data, translated_data_size); |
334 |
|
|
xfree(translated_data); /* Not the same thing as XFree! */ |
335 |
|
|
} |
336 |
|
|
|
337 |
|
|
xfree(unicode_buffer); |
338 |
|
|
|
339 |
|
|
return True; |
340 |
|
|
} |
341 |
|
|
#else |
342 |
|
|
if (target == format_string_atom) |
343 |
|
|
{ |
344 |
|
|
uint8 *translated_data; |
345 |
|
|
uint32 length = source_size; |
346 |
|
|
|
347 |
|
|
if (rdp_clipboard_request_format != RDP_CF_TEXT) |
348 |
|
|
return False; |
349 |
|
|
|
350 |
|
|
DEBUG_CLIPBOARD(("Translating linebreaks before sending data\n")); |
351 |
|
|
translated_data = lf2crlf(source, &length); |
352 |
|
|
if (translated_data != NULL) |
353 |
|
|
{ |
354 |
|
|
cliprdr_send_data(translated_data, length); |
355 |
|
|
xfree(translated_data); /* Not the same thing as XFree! */ |
356 |
|
|
} |
357 |
|
|
|
358 |
|
|
return True; |
359 |
|
|
} |
360 |
|
|
#endif |
361 |
|
|
else if (target == rdesktop_clipboard_formats_atom) |
362 |
|
|
{ |
363 |
|
|
helper_cliprdr_send_response(source, source_size + 1); |
364 |
|
|
|
365 |
|
|
return True; |
366 |
|
|
} |
367 |
|
|
else |
368 |
|
|
{ |
369 |
|
|
return False; |
370 |
|
|
} |
371 |
|
|
} |
372 |
|
|
|
373 |
forsberg |
1027 |
/* This function is called for SelectionNotify events. |
374 |
forsberg |
1037 |
The SelectionNotify event is sent from the clipboard owner to the requestor |
375 |
forsberg |
1027 |
after his request was satisfied. |
376 |
|
|
If this function is called, we're the requestor side. */ |
377 |
astrand |
942 |
#ifndef MAKE_PROTO |
378 |
astrand |
462 |
void |
379 |
matthewc |
432 |
xclip_handle_SelectionNotify(XSelectionEvent * event) |
380 |
|
|
{ |
381 |
|
|
unsigned long nitems, bytes_left; |
382 |
astrand |
913 |
XWindowAttributes wa; |
383 |
forsberg |
1037 |
Atom type; |
384 |
matthewc |
432 |
Atom *supported_targets; |
385 |
|
|
int res, i, format; |
386 |
|
|
uint8 *data; |
387 |
|
|
|
388 |
|
|
if (event->property == None) |
389 |
|
|
goto fail; |
390 |
|
|
|
391 |
|
|
DEBUG_CLIPBOARD(("xclip_handle_SelectionNotify: selection=%s, target=%s, property=%s\n", |
392 |
jsorg71 |
450 |
XGetAtomName(g_display, event->selection), |
393 |
|
|
XGetAtomName(g_display, event->target), |
394 |
|
|
XGetAtomName(g_display, event->property))); |
395 |
matthewc |
432 |
|
396 |
|
|
if (event->property == None) |
397 |
|
|
goto fail; |
398 |
|
|
|
399 |
jsorg71 |
450 |
res = XGetWindowProperty(g_display, g_wnd, rdesktop_clipboard_target_atom, |
400 |
forsberg |
1026 |
0, XMaxRequestSize(g_display), False, AnyPropertyType, |
401 |
matthewc |
432 |
&type, &format, &nitems, &bytes_left, &data); |
402 |
|
|
|
403 |
|
|
if (res != Success) |
404 |
|
|
{ |
405 |
|
|
DEBUG_CLIPBOARD(("XGetWindowProperty failed!\n")); |
406 |
|
|
goto fail; |
407 |
|
|
} |
408 |
|
|
|
409 |
forsberg |
1026 |
if (type == incr_atom) |
410 |
|
|
{ |
411 |
|
|
DEBUG_CLIPBOARD(("Received INCR.\n")); |
412 |
|
|
|
413 |
|
|
XGetWindowAttributes(g_display, g_wnd, &wa); |
414 |
|
|
if ((wa.your_event_mask | PropertyChangeMask) != wa.your_event_mask) |
415 |
|
|
{ |
416 |
|
|
XSelectInput(g_display, g_wnd, (wa.your_event_mask | PropertyChangeMask)); |
417 |
|
|
} |
418 |
|
|
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_target_atom); |
419 |
|
|
XFree(data); |
420 |
forsberg |
1037 |
g_incr_target = event->target; |
421 |
forsberg |
1026 |
g_waiting_for_INCR = 1; |
422 |
|
|
return; |
423 |
astrand |
1028 |
} |
424 |
|
|
|
425 |
forsberg |
1026 |
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_target_atom); |
426 |
astrand |
1028 |
|
427 |
astrand |
551 |
/* Negotiate target format */ |
428 |
matthewc |
432 |
if (event->target == targets_atom) |
429 |
|
|
{ |
430 |
forsberg |
1037 |
/* Determine the best of text targets that we have available: |
431 |
|
|
Prefer UTF8_STRING > text/unicode (unspecified encoding) > STRING |
432 |
|
|
(ignore TEXT and COMPOUND_TEXT because we don't have code to handle them) |
433 |
|
|
*/ |
434 |
|
|
int text_target_satisfaction = 0; |
435 |
|
|
Atom best_text_target = 0; /* measures how much we're satisfied with what we found */ |
436 |
matthewc |
432 |
if (type != None) |
437 |
|
|
{ |
438 |
|
|
supported_targets = (Atom *) data; |
439 |
|
|
for (i = 0; i < nitems; i++) |
440 |
|
|
{ |
441 |
astrand |
435 |
DEBUG_CLIPBOARD(("Target %d: %s\n", i, |
442 |
jsorg71 |
450 |
XGetAtomName(g_display, supported_targets[i]))); |
443 |
forsberg |
1037 |
if (supported_targets[i] == format_string_atom) |
444 |
matthewc |
432 |
{ |
445 |
forsberg |
1037 |
if (text_target_satisfaction < 1) |
446 |
|
|
{ |
447 |
|
|
DEBUG_CLIPBOARD(("Other party supports STRING, choosing that as best_target\n")); |
448 |
|
|
best_text_target = supported_targets[i]; |
449 |
|
|
text_target_satisfaction = 1; |
450 |
|
|
} |
451 |
matthewc |
432 |
} |
452 |
forsberg |
1037 |
#ifdef USE_UNICODE_CLIPBOARD |
453 |
|
|
else if (supported_targets[i] == format_unicode_atom) |
454 |
|
|
{ |
455 |
|
|
if (text_target_satisfaction < 2) |
456 |
|
|
{ |
457 |
|
|
DEBUG_CLIPBOARD(("Other party supports text/unicode, choosing that as best_target\n")); |
458 |
|
|
best_text_target = supported_targets[i]; |
459 |
|
|
text_target_satisfaction = 2; |
460 |
|
|
} |
461 |
|
|
} |
462 |
|
|
else if (supported_targets[i] == format_utf8_string_atom) |
463 |
|
|
{ |
464 |
|
|
if (text_target_satisfaction < 3) |
465 |
|
|
{ |
466 |
|
|
DEBUG_CLIPBOARD(("Other party supports UTF8_STRING, choosing that as best_target\n")); |
467 |
|
|
best_text_target = supported_targets[i]; |
468 |
|
|
text_target_satisfaction = 3; |
469 |
|
|
} |
470 |
|
|
} |
471 |
|
|
#endif |
472 |
matthewc |
432 |
} |
473 |
|
|
} |
474 |
|
|
|
475 |
forsberg |
1037 |
/* Kickstarting the next step in the process of satisfying RDP's |
476 |
|
|
clipboard request -- specifically, requesting the actual clipboard data. |
477 |
|
|
*/ |
478 |
|
|
if (best_text_target != 0) |
479 |
|
|
{ |
480 |
|
|
XConvertSelection(g_display, clipboard_atom, best_text_target, rdesktop_clipboard_target_atom, g_wnd, event->time); |
481 |
|
|
return; |
482 |
|
|
} |
483 |
|
|
else |
484 |
|
|
{ |
485 |
|
|
DEBUG_CLIPBOARD(("Unable to find a textual target to satisfy RDP clipboard text request\n")); |
486 |
|
|
goto fail; |
487 |
|
|
} |
488 |
matthewc |
432 |
} |
489 |
astrand |
551 |
else |
490 |
|
|
{ |
491 |
forsberg |
1037 |
if (!xclip_send_data_with_convert(data, nitems, event->target)) |
492 |
|
|
{ |
493 |
|
|
goto fail; |
494 |
|
|
} |
495 |
astrand |
551 |
} |
496 |
forsberg |
1037 |
|
497 |
matthewc |
432 |
XFree(data); |
498 |
|
|
|
499 |
|
|
return; |
500 |
|
|
|
501 |
astrand |
1028 |
fail: |
502 |
forsberg |
1026 |
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_target_atom); |
503 |
|
|
XFree(data); |
504 |
forsberg |
1037 |
helper_cliprdr_send_empty_response(); |
505 |
matthewc |
432 |
} |
506 |
|
|
|
507 |
forsberg |
1027 |
/* This function is called for SelectionRequest events. |
508 |
forsberg |
1037 |
The SelectionRequest event is sent from the requestor to the clipboard owner |
509 |
forsberg |
1027 |
to request clipboard data. |
510 |
|
|
*/ |
511 |
astrand |
462 |
void |
512 |
astrand |
435 |
xclip_handle_SelectionRequest(XSelectionRequestEvent * event) |
513 |
matthewc |
432 |
{ |
514 |
|
|
unsigned long nitems, bytes_left; |
515 |
astrand |
465 |
unsigned char *prop_return; |
516 |
matthewc |
432 |
uint32 *wanted_format; |
517 |
|
|
int format, res; |
518 |
|
|
Atom type; |
519 |
|
|
|
520 |
|
|
DEBUG_CLIPBOARD(("xclip_handle_SelectionRequest: selection=%s, target=%s, property=%s\n", |
521 |
jsorg71 |
450 |
XGetAtomName(g_display, event->selection), |
522 |
|
|
XGetAtomName(g_display, event->target), |
523 |
|
|
XGetAtomName(g_display, event->property))); |
524 |
matthewc |
432 |
|
525 |
|
|
if (event->target == targets_atom) |
526 |
|
|
{ |
527 |
forsberg |
1037 |
xclip_provide_selection(event, XA_ATOM, 32, (uint8 *) & targets, num_targets); |
528 |
matthewc |
432 |
return; |
529 |
|
|
} |
530 |
|
|
else if (event->target == timestamp_atom) |
531 |
|
|
{ |
532 |
jsorg71 |
450 |
xclip_provide_selection(event, XA_INTEGER, 32, (uint8 *) & g_last_gesturetime, 1); |
533 |
matthewc |
432 |
return; |
534 |
|
|
} |
535 |
|
|
else |
536 |
|
|
{ |
537 |
forsberg |
1037 |
/* All the following targets require an async operation with the RDP server |
538 |
|
|
and currently we don't do X clipboard request queueing so we can only |
539 |
|
|
handle one such request at a time. */ |
540 |
|
|
if (has_selection_request) |
541 |
|
|
{ |
542 |
|
|
DEBUG_CLIPBOARD(("Error: Another clipboard request was already sent to the RDP server and not yet responded. Refusing this request.\n")); |
543 |
|
|
xclip_refuse_selection(event); |
544 |
|
|
return; |
545 |
|
|
} |
546 |
|
|
if (event->target == rdesktop_clipboard_formats_atom) |
547 |
|
|
{ |
548 |
|
|
/* Before the requestor makes a request for the _RDESKTOP_CLIPBOARD_FORMATS target, |
549 |
|
|
he should declare requestor[_RDESKTOP_CLIPBOARD_TARGET] = CF_SOMETHING. |
550 |
|
|
Otherwise, we default to RDP_CF_TEXT. |
551 |
|
|
*/ |
552 |
|
|
res = XGetWindowProperty(g_display, event->requestor, |
553 |
|
|
rdesktop_clipboard_target_atom, 0, 1, True, XA_INTEGER, |
554 |
|
|
&type, &format, &nitems, &bytes_left, &prop_return); |
555 |
|
|
wanted_format = (uint32 *) prop_return; |
556 |
|
|
format = (res == Success) ? *wanted_format : RDP_CF_TEXT; |
557 |
|
|
XFree(prop_return); |
558 |
|
|
} |
559 |
|
|
else if (event->target == format_string_atom || |
560 |
|
|
event->target == XA_STRING) |
561 |
|
|
{ |
562 |
|
|
/* STRING and XA_STRING are defined to be ISO8859-1 */ |
563 |
|
|
format = CF_TEXT; |
564 |
|
|
} |
565 |
|
|
else if (event->target == format_utf8_string_atom) |
566 |
|
|
{ |
567 |
|
|
#ifdef USE_UNICODE_CLIPBOARD |
568 |
|
|
format = CF_UNICODETEXT; |
569 |
|
|
#else |
570 |
|
|
DEBUG_CLIPBOARD(("Requested target unavailable due to lack of Unicode support. (It was not in TARGETS, so why did you ask for it?!)\n")); |
571 |
|
|
xclip_refuse_selection(event); |
572 |
|
|
return; |
573 |
|
|
#endif |
574 |
|
|
} |
575 |
|
|
else if (event->target == format_unicode_atom) |
576 |
|
|
{ |
577 |
|
|
/* Assuming text/unicode to be UTF-16 */ |
578 |
|
|
format = CF_UNICODETEXT; |
579 |
|
|
} |
580 |
|
|
else |
581 |
|
|
{ |
582 |
|
|
DEBUG_CLIPBOARD(("Requested target unavailable. (It was not in TARGETS, so why did you ask for it?!)\n")); |
583 |
|
|
xclip_refuse_selection(event); |
584 |
|
|
return; |
585 |
|
|
} |
586 |
|
|
|
587 |
|
|
cliprdr_send_data_request(format); |
588 |
|
|
selection_request = *event; |
589 |
|
|
has_selection_request = True; |
590 |
|
|
return; /* wait for data */ |
591 |
matthewc |
432 |
} |
592 |
|
|
} |
593 |
|
|
|
594 |
forsberg |
1037 |
/* While this rdesktop holds ownership over the clipboard, it means the clipboard data |
595 |
|
|
is offered by the RDP server (and when it is pasted inside RDP, there's no network |
596 |
|
|
roundtrip). |
597 |
|
|
|
598 |
|
|
This event (SelectionClear) symbolizes this rdesktop lost onwership of the clipboard |
599 |
forsberg |
1027 |
to some other X client. We should find out what clipboard formats this other |
600 |
|
|
client offers and announce that to RDP. */ |
601 |
astrand |
462 |
void |
602 |
matthewc |
432 |
xclip_handle_SelectionClear(void) |
603 |
|
|
{ |
604 |
|
|
DEBUG_CLIPBOARD(("xclip_handle_SelectionClear\n")); |
605 |
|
|
have_primary = 0; |
606 |
jsorg71 |
450 |
XDeleteProperty(g_display, DefaultRootWindow(g_display), rdesktop_clipboard_formats_atom); |
607 |
forsberg |
1037 |
/* FIXME: |
608 |
|
|
Without XFIXES, we cannot reliably know the formats offered by the |
609 |
|
|
new owner of the X11 clipboard, so we just lie about him |
610 |
|
|
offering RDP_CF_TEXT. */ |
611 |
|
|
cliprdr_send_simple_native_format_announce(RDP_CF_TEXT); |
612 |
matthewc |
432 |
} |
613 |
|
|
|
614 |
forsberg |
1027 |
/* Called when any property changes in our window or the root window. */ |
615 |
astrand |
462 |
void |
616 |
astrand |
435 |
xclip_handle_PropertyNotify(XPropertyEvent * event) |
617 |
matthewc |
432 |
{ |
618 |
astrand |
1028 |
unsigned long nitems; |
619 |
forsberg |
1026 |
unsigned long offset = 0; |
620 |
|
|
unsigned long bytes_left = 1; |
621 |
matthewc |
432 |
int format, res; |
622 |
astrand |
913 |
XWindowAttributes wa; |
623 |
matthewc |
432 |
uint8 *data; |
624 |
|
|
Atom type; |
625 |
|
|
|
626 |
astrand |
913 |
if (event->state == PropertyNewValue && g_waiting_for_INCR) |
627 |
|
|
{ |
628 |
|
|
DEBUG_CLIPBOARD(("x_clip_handle_PropertyNotify: g_waiting_for_INCR != 0\n")); |
629 |
|
|
|
630 |
astrand |
1028 |
while (bytes_left > 0) |
631 |
|
|
{ |
632 |
forsberg |
1037 |
/* Unlike the specification, we don't set the 'delete' arugment to True |
633 |
|
|
since we slurp the INCR's chunks in even-smaller chunks of 4096 bytes. */ |
634 |
astrand |
1028 |
if ((XGetWindowProperty |
635 |
|
|
(g_display, g_wnd, rdesktop_clipboard_target_atom, offset, 4096L, |
636 |
|
|
False, AnyPropertyType, &type, &format, &nitems, &bytes_left, |
637 |
|
|
&data) != Success)) |
638 |
forsberg |
1026 |
{ |
639 |
|
|
XFree(data); |
640 |
|
|
return; |
641 |
|
|
} |
642 |
astrand |
913 |
|
643 |
forsberg |
1026 |
if (nitems == 0) |
644 |
astrand |
913 |
{ |
645 |
forsberg |
1037 |
/* INCR transfer finished */ |
646 |
forsberg |
1026 |
XGetWindowAttributes(g_display, g_wnd, &wa); |
647 |
astrand |
1028 |
XSelectInput(g_display, g_wnd, |
648 |
|
|
(wa.your_event_mask ^ PropertyChangeMask)); |
649 |
forsberg |
1026 |
XFree(data); |
650 |
|
|
g_waiting_for_INCR = 0; |
651 |
astrand |
913 |
|
652 |
forsberg |
1026 |
if (g_clip_buflen > 0) |
653 |
|
|
{ |
654 |
forsberg |
1037 |
if (!xclip_send_data_with_convert(g_clip_buffer, g_clip_buflen, g_incr_target)) |
655 |
|
|
{ |
656 |
|
|
helper_cliprdr_send_empty_response(); |
657 |
|
|
} |
658 |
forsberg |
1026 |
xfree(g_clip_buffer); |
659 |
forsberg |
1037 |
g_clip_buffer = NULL; |
660 |
forsberg |
1026 |
g_clip_buflen = 0; |
661 |
|
|
} |
662 |
astrand |
913 |
} |
663 |
forsberg |
1026 |
else |
664 |
|
|
{ |
665 |
forsberg |
1037 |
/* Another chunk in the INCR transfer */ |
666 |
|
|
offset += (nitems / 4); /* offset at which to begin the next slurp */ |
667 |
|
|
g_clip_buffer = xrealloc(g_clip_buffer, g_clip_buflen + nitems); |
668 |
|
|
memcpy(g_clip_buffer + g_clip_buflen, data, nitems); |
669 |
|
|
g_clip_buflen += nitems; |
670 |
astrand |
913 |
|
671 |
forsberg |
1026 |
XFree(data); |
672 |
|
|
} |
673 |
astrand |
913 |
} |
674 |
forsberg |
1026 |
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_target_atom); |
675 |
forsberg |
1037 |
return; |
676 |
astrand |
913 |
} |
677 |
|
|
|
678 |
forsberg |
1037 |
if ((event->atom == rdesktop_clipboard_formats_atom) && |
679 |
|
|
(event->window == DefaultRootWindow(g_display)) && |
680 |
|
|
!have_primary /* not interested in our own events */) |
681 |
|
|
{ |
682 |
|
|
if (event->state == PropertyNewValue) |
683 |
|
|
{ |
684 |
|
|
DEBUG_CLIPBOARD(("xclip_handle_PropertyNotify: getting fellow rdesktop formats\n")); |
685 |
matthewc |
432 |
|
686 |
forsberg |
1037 |
res = XGetWindowProperty(g_display, DefaultRootWindow(g_display), |
687 |
|
|
rdesktop_clipboard_formats_atom, 0, |
688 |
|
|
XMaxRequestSize(g_display), False, XA_STRING, &type, |
689 |
|
|
&format, &nitems, &bytes_left, &data); |
690 |
matthewc |
432 |
|
691 |
forsberg |
1037 |
if ((res == Success) && (nitems > 0)) |
692 |
|
|
{ |
693 |
|
|
cliprdr_send_native_format_announce(data, nitems); |
694 |
|
|
rdesktop_is_selection_owner = 1; |
695 |
|
|
return; |
696 |
|
|
} |
697 |
|
|
} |
698 |
matthewc |
432 |
|
699 |
forsberg |
1037 |
/* For some reason, we couldn't announce the native formats */ |
700 |
|
|
cliprdr_send_simple_native_format_announce(RDP_CF_TEXT); |
701 |
|
|
rdesktop_is_selection_owner = 0; |
702 |
matthewc |
432 |
} |
703 |
|
|
} |
704 |
astrand |
942 |
#endif |
705 |
matthewc |
432 |
|
706 |
|
|
|
707 |
forsberg |
1027 |
/* Called when the RDP server announces new clipboard data formats. |
708 |
|
|
In response, we: |
709 |
|
|
- take ownership over the clipboard |
710 |
|
|
- declare those formats in their Windows native form |
711 |
|
|
to other rdesktop instances on this X server */ |
712 |
matthewc |
432 |
void |
713 |
astrand |
542 |
ui_clip_format_announce(uint8 * data, uint32 length) |
714 |
matthewc |
432 |
{ |
715 |
jsorg71 |
450 |
XSetSelectionOwner(g_display, primary_atom, g_wnd, g_last_gesturetime); |
716 |
|
|
if (XGetSelectionOwner(g_display, primary_atom) != g_wnd) |
717 |
matthewc |
432 |
{ |
718 |
|
|
warning("Failed to aquire ownership of PRIMARY clipboard\n"); |
719 |
|
|
return; |
720 |
|
|
} |
721 |
|
|
|
722 |
|
|
have_primary = 1; |
723 |
jsorg71 |
450 |
XChangeProperty(g_display, DefaultRootWindow(g_display), |
724 |
astrand |
435 |
rdesktop_clipboard_formats_atom, XA_STRING, 8, PropModeReplace, data, |
725 |
|
|
length); |
726 |
matthewc |
432 |
|
727 |
jsorg71 |
450 |
XSetSelectionOwner(g_display, clipboard_atom, g_wnd, g_last_gesturetime); |
728 |
|
|
if (XGetSelectionOwner(g_display, clipboard_atom) != g_wnd) |
729 |
matthewc |
432 |
warning("Failed to aquire ownership of CLIPBOARD clipboard\n"); |
730 |
|
|
} |
731 |
|
|
|
732 |
forsberg |
1037 |
/* Called when the RDP server responds with clipboard data (after we've requested it). */ |
733 |
matthewc |
432 |
void |
734 |
astrand |
542 |
ui_clip_handle_data(uint8 * data, uint32 length) |
735 |
matthewc |
432 |
{ |
736 |
forsberg |
1037 |
BOOL free_data = False; |
737 |
astrand |
551 |
|
738 |
forsberg |
1037 |
if (selection_request.target == format_string_atom || |
739 |
|
|
selection_request.target == XA_STRING) |
740 |
|
|
{ |
741 |
|
|
/* We're expecting a CF_TEXT response */ |
742 |
|
|
uint8 *firstnull; |
743 |
astrand |
551 |
|
744 |
forsberg |
1037 |
/* translate linebreaks */ |
745 |
|
|
crlf2lf(data, &length); |
746 |
|
|
|
747 |
|
|
/* Only send data up to null byte, if any */ |
748 |
|
|
firstnull = (uint8 *) strchr((char *) data, '\0'); |
749 |
|
|
if (firstnull) |
750 |
|
|
{ |
751 |
|
|
length = firstnull - data + 1; |
752 |
|
|
} |
753 |
|
|
} |
754 |
|
|
#ifdef USE_UNICODE_CLIPBOARD |
755 |
|
|
else if (selection_request.target == format_utf8_string_atom) |
756 |
|
|
{ |
757 |
|
|
/* We're expecting a CF_UNICODETEXT response */ |
758 |
|
|
iconv_t cd = iconv_open("UTF-8", WINDOWS_CODEPAGE); |
759 |
|
|
if (cd != (iconv_t)-1) |
760 |
astrand |
551 |
{ |
761 |
forsberg |
1037 |
size_t utf8_length = length * 2; |
762 |
|
|
char* utf8_data = malloc(utf8_length); |
763 |
|
|
size_t utf8_length_remaining = utf8_length; |
764 |
|
|
char* utf8_data_remaining = utf8_data; |
765 |
|
|
char* data_remaining = (char*)data; |
766 |
|
|
size_t length_remaining = (size_t)length; |
767 |
|
|
if (utf8_data == NULL) |
768 |
|
|
{ |
769 |
|
|
iconv_close(cd); |
770 |
|
|
return; |
771 |
|
|
} |
772 |
|
|
iconv(cd, &data_remaining, &length_remaining, &utf8_data_remaining, &utf8_length_remaining); |
773 |
|
|
iconv_close(cd); |
774 |
|
|
free_data = True; |
775 |
|
|
data = (uint8*)utf8_data; |
776 |
|
|
length = utf8_length - utf8_length_remaining; |
777 |
astrand |
551 |
} |
778 |
|
|
} |
779 |
forsberg |
1037 |
else if (selection_request.target == format_unicode_atom) |
780 |
|
|
{ |
781 |
|
|
/* We're expecting a CF_UNICODETEXT response, so what we're |
782 |
|
|
receiving matches our requirements and there's no need |
783 |
|
|
for further conversions. */ |
784 |
|
|
} |
785 |
|
|
#endif |
786 |
|
|
else if (selection_request.target == rdesktop_clipboard_formats_atom) |
787 |
|
|
{ |
788 |
|
|
/* Pass as-is */ |
789 |
|
|
} |
790 |
|
|
else |
791 |
|
|
{ |
792 |
|
|
xclip_refuse_selection(&selection_request); |
793 |
|
|
has_selection_request = False; |
794 |
|
|
return; |
795 |
|
|
} |
796 |
astrand |
551 |
|
797 |
forsberg |
1037 |
xclip_provide_selection(&selection_request, selection_request.target, 8, data, length - 1); |
798 |
|
|
has_selection_request = False; |
799 |
|
|
|
800 |
|
|
if (free_data) |
801 |
|
|
free(data); |
802 |
matthewc |
432 |
} |
803 |
|
|
|
804 |
|
|
void |
805 |
|
|
ui_clip_request_data(uint32 format) |
806 |
|
|
{ |
807 |
|
|
Window selectionowner; |
808 |
|
|
|
809 |
|
|
DEBUG_CLIPBOARD(("Request from server for format %d\n", format)); |
810 |
forsberg |
1037 |
rdp_clipboard_request_format = format; |
811 |
matthewc |
432 |
|
812 |
|
|
if (rdesktop_is_selection_owner) |
813 |
|
|
{ |
814 |
jsorg71 |
450 |
XChangeProperty(g_display, g_wnd, rdesktop_clipboard_target_atom, |
815 |
matthewc |
432 |
XA_INTEGER, 32, PropModeReplace, (unsigned char *) &format, 1); |
816 |
|
|
|
817 |
jsorg71 |
450 |
XConvertSelection(g_display, primary_atom, rdesktop_clipboard_formats_atom, |
818 |
|
|
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
819 |
matthewc |
432 |
return; |
820 |
|
|
} |
821 |
|
|
|
822 |
jsorg71 |
450 |
selectionowner = XGetSelectionOwner(g_display, primary_atom); |
823 |
matthewc |
432 |
if (selectionowner != None) |
824 |
|
|
{ |
825 |
jsorg71 |
450 |
XConvertSelection(g_display, primary_atom, targets_atom, |
826 |
|
|
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
827 |
matthewc |
432 |
return; |
828 |
|
|
} |
829 |
|
|
|
830 |
|
|
/* No PRIMARY, try CLIPBOARD */ |
831 |
jsorg71 |
450 |
selectionowner = XGetSelectionOwner(g_display, clipboard_atom); |
832 |
matthewc |
432 |
if (selectionowner != None) |
833 |
|
|
{ |
834 |
jsorg71 |
450 |
XConvertSelection(g_display, clipboard_atom, targets_atom, |
835 |
|
|
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
836 |
matthewc |
432 |
return; |
837 |
|
|
} |
838 |
|
|
|
839 |
|
|
/* No data available */ |
840 |
|
|
cliprdr_send_data(NULL, 0); |
841 |
|
|
} |
842 |
|
|
|
843 |
|
|
void |
844 |
|
|
ui_clip_sync(void) |
845 |
|
|
{ |
846 |
forsberg |
1037 |
cliprdr_send_simple_native_format_announce(RDP_CF_TEXT); |
847 |
matthewc |
432 |
} |
848 |
|
|
|
849 |
|
|
|
850 |
|
|
void |
851 |
|
|
xclip_init(void) |
852 |
|
|
{ |
853 |
|
|
if (!cliprdr_init()) |
854 |
|
|
return; |
855 |
|
|
|
856 |
jsorg71 |
450 |
primary_atom = XInternAtom(g_display, "PRIMARY", False); |
857 |
|
|
clipboard_atom = XInternAtom(g_display, "CLIPBOARD", False); |
858 |
|
|
targets_atom = XInternAtom(g_display, "TARGETS", False); |
859 |
|
|
timestamp_atom = XInternAtom(g_display, "TIMESTAMP", False); |
860 |
astrand |
456 |
rdesktop_clipboard_target_atom = |
861 |
|
|
XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_TARGET", False); |
862 |
jsorg71 |
450 |
incr_atom = XInternAtom(g_display, "INCR", False); |
863 |
forsberg |
1037 |
format_string_atom = XInternAtom(g_display, "STRING", False); |
864 |
|
|
format_utf8_string_atom = XInternAtom(g_display, "UTF8_STRING", False); |
865 |
|
|
format_unicode_atom = XInternAtom(g_display, "text/unicode", False); |
866 |
|
|
num_targets = 0; |
867 |
|
|
targets[num_targets++] = targets_atom; |
868 |
|
|
targets[num_targets++] = timestamp_atom; |
869 |
|
|
targets[num_targets++] = rdesktop_clipboard_formats_atom; |
870 |
|
|
targets[num_targets++] = format_string_atom; |
871 |
|
|
#ifdef USE_UNICODE_CLIPBOARD |
872 |
|
|
targets[num_targets++] = format_utf8_string_atom; |
873 |
|
|
#endif |
874 |
|
|
targets[num_targets++] = format_unicode_atom; |
875 |
|
|
targets[num_targets++] = XA_STRING; |
876 |
matthewc |
432 |
|
877 |
|
|
/* rdesktop sets _RDESKTOP_CLIPBOARD_FORMATS on the root window when acquiring the clipboard. |
878 |
|
|
Other interested rdesktops can use this to notify their server of the available formats. */ |
879 |
astrand |
435 |
rdesktop_clipboard_formats_atom = |
880 |
jsorg71 |
450 |
XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_FORMATS", False); |
881 |
|
|
XSelectInput(g_display, DefaultRootWindow(g_display), PropertyChangeMask); |
882 |
matthewc |
432 |
} |