23 |
#include <X11/Xatom.h> |
#include <X11/Xatom.h> |
24 |
#include "rdesktop.h" |
#include "rdesktop.h" |
25 |
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|
26 |
#define NUM_TARGETS 6 |
/* |
27 |
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To gain better understanding of this code, one could be assisted by the following documents: |
28 |
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- Inter-Client Communication Conventions Manual (ICCCM) |
29 |
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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 |
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- MSDN: Clipboard Formats |
32 |
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http://msdn.microsoft.com/library/en-us/winui/winui/windowsuserinterface/dataexchange/clipboard/clipboardformats.asp |
33 |
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*/ |
34 |
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|
35 |
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#ifdef HAVE_ICONV |
36 |
|
#ifdef HAVE_LANGINFO_H |
37 |
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#ifdef HAVE_ICONV_H |
38 |
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#include <langinfo.h> |
39 |
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#include <iconv.h> |
40 |
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#define USE_UNICODE_CLIPBOARD |
41 |
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#endif |
42 |
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#endif |
43 |
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#endif |
44 |
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|
45 |
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#ifdef USE_UNICODE_CLIPBOARD |
46 |
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#define RDP_CF_TEXT CF_UNICODETEXT |
47 |
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#else |
48 |
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#define RDP_CF_TEXT CF_TEXT |
49 |
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#endif |
50 |
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|
51 |
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#define MAX_TARGETS 8 |
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 |
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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 |
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- Non-auto: Look at just CLIPBOARD. */ |
61 |
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static BOOL auto_mode = True; |
62 |
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/* Atoms of the two X selections we're dealing with: CLIPBOARD (explicit-copy) and PRIMARY (selection-copy) */ |
63 |
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static Atom clipboard_atom, primary_atom; |
64 |
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/* Atom of the TARGETS clipboard target */ |
65 |
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static Atom targets_atom; |
66 |
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/* Atom of the TIMESTAMP clipboard target */ |
67 |
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static Atom timestamp_atom; |
68 |
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/* Atom _RDESKTOP_CLIPBOARD_TARGET which is used as the 'property' argument in |
69 |
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XConvertSelection calls: This is the property of our window into which |
70 |
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XConvertSelection will store the received clipboard data. */ |
71 |
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static Atom rdesktop_clipboard_target_atom; |
72 |
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/* Atoms _RDESKTOP_PRIMARY_TIMESTAMP_TARGET and _RDESKTOP_CLIPBOARD_TIMESTAMP_TARGET |
73 |
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are used to store the timestamps for when a window got ownership of the selections. |
74 |
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We use these to determine which is more recent and should be used. */ |
75 |
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static Atom rdesktop_primary_timestamp_target_atom, rdesktop_clipboard_timestamp_target_atom; |
76 |
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/* Storage for timestamps since we get them in two separate notifications. */ |
77 |
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static Time primary_timestamp, clipboard_timestamp; |
78 |
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/* Clipboard target for getting a list of native Windows clipboard formats. The |
79 |
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presence of this target indicates that the selection owner is another rdesktop. */ |
80 |
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static Atom rdesktop_clipboard_formats_atom; |
81 |
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/* The clipboard target (X jargon for "clipboard format") for rdesktop-to-rdesktop |
82 |
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interchange of Windows native clipboard data. The requestor must supply the |
83 |
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desired native Windows clipboard format in the associated property. */ |
84 |
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static Atom rdesktop_native_atom; |
85 |
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/* Local copy of the list of native Windows clipboard formats. */ |
86 |
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static uint8 *formats_data = NULL; |
87 |
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static uint32 formats_data_length = 0; |
88 |
|
/* We need to know when another rdesktop process gets or loses ownership of a |
89 |
|
selection. Without XFixes we do this by touching a property on the root window |
90 |
|
which will generate PropertyNotify notifications. */ |
91 |
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static Atom rdesktop_selection_notify_atom; |
92 |
|
/* State variables that indicate if we're currently probing the targets of the |
93 |
|
selection owner. reprobe_selections indicate that the ownership changed in |
94 |
|
the middle of the current probe so it should be restarted. */ |
95 |
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static BOOL probing_selections, reprobe_selections; |
96 |
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/* Atoms _RDESKTOP_PRIMARY_OWNER and _RDESKTOP_CLIPBOARD_OWNER. Used as properties |
97 |
|
on the root window to indicate which selections that are owned by rdesktop. */ |
98 |
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static Atom rdesktop_primary_owner_atom, rdesktop_clipboard_owner_atom; |
99 |
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static Atom format_string_atom, format_utf8_string_atom, format_unicode_atom; |
100 |
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/* Atom of the INCR clipboard type (see ICCCM on "INCR Properties") */ |
101 |
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static Atom incr_atom; |
102 |
|
/* Stores the last "selection request" (= another X client requesting clipboard data from us). |
103 |
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To satisfy such a request, we request the clipboard data from the RDP server. |
104 |
|
When we receive the response from the RDP server (asynchronously), this variable gives us |
105 |
|
the context to proceed. */ |
106 |
static XSelectionRequestEvent selection_request; |
static XSelectionRequestEvent selection_request; |
107 |
static Atom targets[NUM_TARGETS]; |
/* Denotes we have a pending selection request. */ |
108 |
static int have_primary = 0; |
static Bool has_selection_request; |
109 |
static int rdesktop_is_selection_owner = 0; |
/* Stores the clipboard format (CF_TEXT, CF_UNICODETEXT etc.) requested in the last |
110 |
|
CLIPDR_DATA_REQUEST (= the RDP server requesting clipboard data from us). |
111 |
|
When we receive this data from whatever X client offering it, this variable gives us |
112 |
|
the context to proceed. |
113 |
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*/ |
114 |
|
static int rdp_clipboard_request_format; |
115 |
|
/* Array of offered clipboard targets that will be sent to fellow X clients upon a TARGETS request. */ |
116 |
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static Atom targets[MAX_TARGETS]; |
117 |
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static int num_targets; |
118 |
|
/* Denotes that an rdesktop (not this rdesktop) is owning the selection, |
119 |
|
allowing us to interchange Windows native clipboard data directly. */ |
120 |
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static BOOL rdesktop_is_selection_owner = False; |
121 |
|
/* Time when we acquired the selection. */ |
122 |
|
static Time acquire_time = 0; |
123 |
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|
124 |
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/* Denotes that an INCR ("chunked") transfer is in progress. */ |
125 |
|
static int g_waiting_for_INCR = 0; |
126 |
|
/* Denotes the target format of the ongoing INCR ("chunked") transfer. */ |
127 |
|
static Atom g_incr_target = 0; |
128 |
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/* Buffers an INCR transfer. */ |
129 |
|
static uint8 *g_clip_buffer = 0; |
130 |
|
/* Denotes the size of g_clip_buffer. */ |
131 |
|
static uint32 g_clip_buflen = 0; |
132 |
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|
133 |
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/* Translate LF to CR-LF. To do this, we must allocate more memory. |
134 |
|
The returned string is null-terminated, as required by CF_TEXT. |
135 |
|
Does not stop on embedded nulls. |
136 |
|
The length is updated. */ |
137 |
|
static void |
138 |
|
crlf2lf(uint8 * data, uint32 * length) |
139 |
|
{ |
140 |
|
uint8 *dst, *src; |
141 |
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src = dst = data; |
142 |
|
while (src < data + *length) |
143 |
|
{ |
144 |
|
if (*src != '\x0d') |
145 |
|
*dst++ = *src; |
146 |
|
src++; |
147 |
|
} |
148 |
|
*length = dst - data; |
149 |
|
} |
150 |
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|
151 |
|
#ifdef USE_UNICODE_CLIPBOARD |
152 |
|
/* Translate LF to CR-LF. To do this, we must allocate more memory. |
153 |
|
The returned string is null-terminated, as required by CF_UNICODETEXT. |
154 |
|
The size is updated. */ |
155 |
|
static uint8 * |
156 |
|
utf16_lf2crlf(uint8 * data, uint32 * size) |
157 |
|
{ |
158 |
|
uint8 *result; |
159 |
|
uint16 *inptr, *outptr; |
160 |
|
|
161 |
|
/* Worst case: Every char is LF */ |
162 |
|
result = xmalloc((*size * 2) + 2); |
163 |
|
if (result == NULL) |
164 |
|
return NULL; |
165 |
|
|
166 |
|
inptr = (uint16 *) data; |
167 |
|
outptr = (uint16 *) result; |
168 |
|
|
169 |
|
/* Check for a reversed BOM */ |
170 |
|
Bool swap_endianess = (*inptr == 0xfffe); |
171 |
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|
172 |
|
while ((uint8 *) inptr < data + *size) |
173 |
|
{ |
174 |
|
uint16 uvalue = *inptr; |
175 |
|
if (swap_endianess) |
176 |
|
uvalue = ((uvalue << 8) & 0xff00) + (uvalue >> 8); |
177 |
|
if (uvalue == 0x0a) |
178 |
|
*outptr++ = swap_endianess ? 0x0d00 : 0x0d; |
179 |
|
*outptr++ = *inptr++; |
180 |
|
} |
181 |
|
*outptr++ = 0; /* null termination */ |
182 |
|
*size = (uint8 *) outptr - result; |
183 |
|
|
184 |
|
return result; |
185 |
|
} |
186 |
|
#else |
187 |
|
/* Translate LF to CR-LF. To do this, we must allocate more memory. |
188 |
|
The length is updated. */ |
189 |
|
static uint8 * |
190 |
|
lf2crlf(uint8 * data, uint32 * length) |
191 |
|
{ |
192 |
|
uint8 *result, *p, *o; |
193 |
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|
194 |
|
/* Worst case: Every char is LF */ |
195 |
|
result = xmalloc(*length * 2); |
196 |
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|
197 |
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p = data; |
198 |
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o = result; |
199 |
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|
200 |
|
while (p < data + *length) |
201 |
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{ |
202 |
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if (*p == '\x0a') |
203 |
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*o++ = '\x0d'; |
204 |
|
*o++ = *p++; |
205 |
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} |
206 |
|
*length = o - result; |
207 |
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|
208 |
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/* Convenience */ |
209 |
|
*o++ = '\0'; |
210 |
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|
211 |
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return result; |
212 |
|
} |
213 |
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#endif |
214 |
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|
215 |
static void |
static void |
216 |
xclip_provide_selection(XSelectionRequestEvent * req, Atom type, unsigned int format, uint8 * data, |
xclip_provide_selection(XSelectionRequestEvent * req, Atom type, unsigned int format, uint8 * data, |
218 |
{ |
{ |
219 |
XEvent xev; |
XEvent xev; |
220 |
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|
221 |
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DEBUG_CLIPBOARD(("xclip_provide_selection: requestor=0x%08x, target=%s, property=%s, length=%u\n", (unsigned) req->requestor, XGetAtomName(g_display, req->target), XGetAtomName(g_display, req->property), (unsigned) length)); |
222 |
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|
223 |
XChangeProperty(g_display, req->requestor, req->property, |
XChangeProperty(g_display, req->requestor, req->property, |
224 |
type, format, PropModeReplace, data, length); |
type, format, PropModeReplace, data, length); |
225 |
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|
234 |
XSendEvent(g_display, req->requestor, False, NoEventMask, &xev); |
XSendEvent(g_display, req->requestor, False, NoEventMask, &xev); |
235 |
} |
} |
236 |
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|
237 |
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/* Replies a clipboard requestor, telling that we're unable to satisfy his request for whatever reason. |
238 |
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This has the benefit of finalizing the clipboard negotiation and thus not leaving our requestor |
239 |
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lingering (and, potentially, stuck). */ |
240 |
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static void |
241 |
|
xclip_refuse_selection(XSelectionRequestEvent * req) |
242 |
|
{ |
243 |
|
XEvent xev; |
244 |
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|
245 |
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DEBUG_CLIPBOARD(("xclip_refuse_selection: requestor=0x%08x, target=%s, property=%s\n", |
246 |
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(unsigned) req->requestor, XGetAtomName(g_display, req->target), |
247 |
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XGetAtomName(g_display, req->property))); |
248 |
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|
249 |
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xev.xselection.type = SelectionNotify; |
250 |
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xev.xselection.serial = 0; |
251 |
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xev.xselection.send_event = True; |
252 |
|
xev.xselection.requestor = req->requestor; |
253 |
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xev.xselection.selection = req->selection; |
254 |
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xev.xselection.target = req->target; |
255 |
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xev.xselection.property = None; |
256 |
|
xev.xselection.time = req->time; |
257 |
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XSendEvent(g_display, req->requestor, False, NoEventMask, &xev); |
258 |
|
} |
259 |
|
|
260 |
|
/* Wrapper for cliprdr_send_data which also cleans the request state. */ |
261 |
|
static void |
262 |
|
helper_cliprdr_send_response(uint8 * data, uint32 length) |
263 |
|
{ |
264 |
|
if (rdp_clipboard_request_format != 0) |
265 |
|
{ |
266 |
|
cliprdr_send_data(data, length); |
267 |
|
rdp_clipboard_request_format = 0; |
268 |
|
if (!rdesktop_is_selection_owner) |
269 |
|
cliprdr_send_simple_native_format_announce(RDP_CF_TEXT); |
270 |
|
} |
271 |
|
} |
272 |
|
|
273 |
|
/* Last resort, when we have to provide clipboard data but for whatever |
274 |
|
reason couldn't get any. |
275 |
|
*/ |
276 |
|
static void |
277 |
|
helper_cliprdr_send_empty_response() |
278 |
|
{ |
279 |
|
helper_cliprdr_send_response(NULL, 0); |
280 |
|
} |
281 |
|
|
282 |
|
/* Replies with clipboard data to RDP, converting it from the target format |
283 |
|
to the expected RDP format as necessary. Returns true if data was sent. |
284 |
|
*/ |
285 |
|
static Bool |
286 |
|
xclip_send_data_with_convert(uint8 * source, size_t source_size, Atom target) |
287 |
|
{ |
288 |
|
DEBUG_CLIPBOARD(("xclip_send_data_with_convert: target=%s, size=%u\n", |
289 |
|
XGetAtomName(g_display, target), (unsigned) source_size)); |
290 |
|
|
291 |
|
#ifdef USE_UNICODE_CLIPBOARD |
292 |
|
if (target == format_string_atom || |
293 |
|
target == format_unicode_atom || target == format_utf8_string_atom) |
294 |
|
{ |
295 |
|
if (rdp_clipboard_request_format != RDP_CF_TEXT) |
296 |
|
return False; |
297 |
|
|
298 |
|
/* Make an attempt to convert any string we send to Unicode. |
299 |
|
We don't know what the RDP server's ANSI Codepage is, or how to convert |
300 |
|
to it, so using CF_TEXT is not safe (and is unnecessary, since all |
301 |
|
WinNT versions are Unicode-minded). |
302 |
|
*/ |
303 |
|
size_t unicode_buffer_size; |
304 |
|
char *unicode_buffer; |
305 |
|
iconv_t cd; |
306 |
|
|
307 |
|
if (target == format_string_atom) |
308 |
|
{ |
309 |
|
char *locale_charset = nl_langinfo(CODESET); |
310 |
|
cd = iconv_open(WINDOWS_CODEPAGE, locale_charset); |
311 |
|
if (cd == (iconv_t) - 1) |
312 |
|
{ |
313 |
|
DEBUG_CLIPBOARD(("Locale charset %s not found in iconv. Unable to convert clipboard text.\n", locale_charset)); |
314 |
|
return False; |
315 |
|
} |
316 |
|
unicode_buffer_size = source_size * 4; |
317 |
|
} |
318 |
|
else if (target == format_unicode_atom) |
319 |
|
{ |
320 |
|
cd = iconv_open(WINDOWS_CODEPAGE, "UCS-2"); |
321 |
|
if (cd == (iconv_t) - 1) |
322 |
|
{ |
323 |
|
return False; |
324 |
|
} |
325 |
|
unicode_buffer_size = source_size; |
326 |
|
} |
327 |
|
else if (target == format_utf8_string_atom) |
328 |
|
{ |
329 |
|
cd = iconv_open(WINDOWS_CODEPAGE, "UTF-8"); |
330 |
|
if (cd == (iconv_t) - 1) |
331 |
|
{ |
332 |
|
return False; |
333 |
|
} |
334 |
|
/* UTF-8 is guaranteed to be less or equally compact |
335 |
|
as UTF-16 for all Unicode chars >=2 bytes. |
336 |
|
*/ |
337 |
|
unicode_buffer_size = source_size * 2; |
338 |
|
} |
339 |
|
else |
340 |
|
{ |
341 |
|
return False; |
342 |
|
} |
343 |
|
|
344 |
|
unicode_buffer = xmalloc(unicode_buffer_size); |
345 |
|
size_t unicode_buffer_size_remaining = unicode_buffer_size; |
346 |
|
char *unicode_buffer_remaining = unicode_buffer; |
347 |
|
char *data_remaining = (char *) source; |
348 |
|
size_t data_size_remaining = source_size; |
349 |
|
iconv(cd, (ICONV_CONST char **) &data_remaining, &data_size_remaining, |
350 |
|
&unicode_buffer_remaining, &unicode_buffer_size_remaining); |
351 |
|
iconv_close(cd); |
352 |
|
|
353 |
|
/* translate linebreaks */ |
354 |
|
uint32 translated_data_size = unicode_buffer_size - unicode_buffer_size_remaining; |
355 |
|
uint8 *translated_data = |
356 |
|
utf16_lf2crlf((uint8 *) unicode_buffer, &translated_data_size); |
357 |
|
if (translated_data != NULL) |
358 |
|
{ |
359 |
|
DEBUG_CLIPBOARD(("Sending Unicode string of %d bytes\n", |
360 |
|
translated_data_size)); |
361 |
|
helper_cliprdr_send_response(translated_data, translated_data_size); |
362 |
|
xfree(translated_data); /* Not the same thing as XFree! */ |
363 |
|
} |
364 |
|
|
365 |
|
xfree(unicode_buffer); |
366 |
|
|
367 |
|
return True; |
368 |
|
} |
369 |
|
#else |
370 |
|
if (target == format_string_atom) |
371 |
|
{ |
372 |
|
uint8 *translated_data; |
373 |
|
uint32 length = source_size; |
374 |
|
|
375 |
|
if (rdp_clipboard_request_format != RDP_CF_TEXT) |
376 |
|
return False; |
377 |
|
|
378 |
|
DEBUG_CLIPBOARD(("Translating linebreaks before sending data\n")); |
379 |
|
translated_data = lf2crlf(source, &length); |
380 |
|
if (translated_data != NULL) |
381 |
|
{ |
382 |
|
helper_cliprdr_send_response(translated_data, length); |
383 |
|
xfree(translated_data); /* Not the same thing as XFree! */ |
384 |
|
} |
385 |
|
|
386 |
|
return True; |
387 |
|
} |
388 |
|
#endif |
389 |
|
else if (target == rdesktop_native_atom) |
390 |
|
{ |
391 |
|
helper_cliprdr_send_response(source, source_size + 1); |
392 |
|
|
393 |
|
return True; |
394 |
|
} |
395 |
|
else |
396 |
|
{ |
397 |
|
return False; |
398 |
|
} |
399 |
|
} |
400 |
|
|
401 |
|
static void |
402 |
|
xclip_clear_target_props() |
403 |
|
{ |
404 |
|
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_target_atom); |
405 |
|
XDeleteProperty(g_display, g_wnd, rdesktop_primary_timestamp_target_atom); |
406 |
|
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_timestamp_target_atom); |
407 |
|
} |
408 |
|
|
409 |
|
static void |
410 |
|
xclip_notify_change() |
411 |
|
{ |
412 |
|
XChangeProperty(g_display, DefaultRootWindow(g_display), |
413 |
|
rdesktop_selection_notify_atom, XA_INTEGER, 32, PropModeReplace, NULL, 0); |
414 |
|
} |
415 |
|
|
416 |
|
static void |
417 |
|
xclip_probe_selections() |
418 |
|
{ |
419 |
|
Window primary_owner, clipboard_owner; |
420 |
|
|
421 |
|
if (probing_selections) |
422 |
|
{ |
423 |
|
DEBUG_CLIPBOARD(("Already probing selections. Scheduling reprobe.\n")); |
424 |
|
reprobe_selections = True; |
425 |
|
return; |
426 |
|
} |
427 |
|
|
428 |
|
DEBUG_CLIPBOARD(("Probing selections.\n")); |
429 |
|
|
430 |
|
probing_selections = True; |
431 |
|
reprobe_selections = False; |
432 |
|
|
433 |
|
xclip_clear_target_props(); |
434 |
|
|
435 |
|
if (auto_mode) |
436 |
|
primary_owner = XGetSelectionOwner(g_display, primary_atom); |
437 |
|
else |
438 |
|
primary_owner = None; |
439 |
|
|
440 |
|
clipboard_owner = XGetSelectionOwner(g_display, clipboard_atom); |
441 |
|
|
442 |
|
/* If we own all relevant selections then don't do anything. */ |
443 |
|
if (((primary_owner == g_wnd) || !auto_mode) && (clipboard_owner == g_wnd)) |
444 |
|
goto end; |
445 |
|
|
446 |
|
/* Both available */ |
447 |
|
if ((primary_owner != None) && (clipboard_owner != None)) |
448 |
|
{ |
449 |
|
primary_timestamp = 0; |
450 |
|
clipboard_timestamp = 0; |
451 |
|
XConvertSelection(g_display, primary_atom, timestamp_atom, |
452 |
|
rdesktop_primary_timestamp_target_atom, g_wnd, CurrentTime); |
453 |
|
XConvertSelection(g_display, clipboard_atom, timestamp_atom, |
454 |
|
rdesktop_clipboard_timestamp_target_atom, g_wnd, CurrentTime); |
455 |
|
return; |
456 |
|
} |
457 |
|
|
458 |
|
/* Just PRIMARY */ |
459 |
|
if (primary_owner != None) |
460 |
|
{ |
461 |
|
XConvertSelection(g_display, primary_atom, targets_atom, |
462 |
|
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
463 |
|
return; |
464 |
|
} |
465 |
|
|
466 |
|
/* Just CLIPBOARD */ |
467 |
|
if (clipboard_owner != None) |
468 |
|
{ |
469 |
|
XConvertSelection(g_display, clipboard_atom, targets_atom, |
470 |
|
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
471 |
|
return; |
472 |
|
} |
473 |
|
|
474 |
|
DEBUG_CLIPBOARD(("No owner of any selection.\n")); |
475 |
|
|
476 |
|
/* FIXME: |
477 |
|
Without XFIXES, we cannot reliably know the formats offered by an |
478 |
|
upcoming selection owner, so we just lie about him offering |
479 |
|
RDP_CF_TEXT. */ |
480 |
|
cliprdr_send_simple_native_format_announce(RDP_CF_TEXT); |
481 |
|
|
482 |
|
end: |
483 |
|
probing_selections = False; |
484 |
|
} |
485 |
|
|
486 |
|
/* This function is called for SelectionNotify events. |
487 |
|
The SelectionNotify event is sent from the clipboard owner to the requestor |
488 |
|
after his request was satisfied. |
489 |
|
If this function is called, we're the requestor side. */ |
490 |
|
#ifndef MAKE_PROTO |
491 |
void |
void |
492 |
xclip_handle_SelectionNotify(XSelectionEvent * event) |
xclip_handle_SelectionNotify(XSelectionEvent * event) |
493 |
{ |
{ |
494 |
unsigned long nitems, bytes_left; |
unsigned long nitems, bytes_left; |
495 |
Atom type, best_target, text_target; |
XWindowAttributes wa; |
496 |
|
Atom type; |
497 |
Atom *supported_targets; |
Atom *supported_targets; |
498 |
int res, i, format; |
int res, i, format; |
499 |
uint8 *data; |
uint8 *data = NULL; |
500 |
|
|
501 |
if (event->property == None) |
if (event->property == None) |
502 |
goto fail; |
goto fail; |
506 |
XGetAtomName(g_display, event->target), |
XGetAtomName(g_display, event->target), |
507 |
XGetAtomName(g_display, event->property))); |
XGetAtomName(g_display, event->property))); |
508 |
|
|
509 |
if (event->property == None) |
if (event->target == timestamp_atom) |
510 |
goto fail; |
{ |
511 |
|
if (event->selection == primary_atom) |
512 |
|
{ |
513 |
|
res = XGetWindowProperty(g_display, g_wnd, |
514 |
|
rdesktop_primary_timestamp_target_atom, 0, |
515 |
|
XMaxRequestSize(g_display), False, XA_INTEGER, |
516 |
|
&type, &format, &nitems, &bytes_left, &data); |
517 |
|
} |
518 |
|
else |
519 |
|
{ |
520 |
|
res = XGetWindowProperty(g_display, g_wnd, |
521 |
|
rdesktop_clipboard_timestamp_target_atom, 0, |
522 |
|
XMaxRequestSize(g_display), False, XA_INTEGER, |
523 |
|
&type, &format, &nitems, &bytes_left, &data); |
524 |
|
} |
525 |
|
|
526 |
|
|
527 |
|
if ((res != Success) || (nitems != 1)) |
528 |
|
{ |
529 |
|
DEBUG_CLIPBOARD(("XGetWindowProperty failed!\n")); |
530 |
|
goto fail; |
531 |
|
} |
532 |
|
|
533 |
|
if (event->selection == primary_atom) |
534 |
|
{ |
535 |
|
primary_timestamp = *(Time *) data; |
536 |
|
if (primary_timestamp == 0) |
537 |
|
primary_timestamp++; |
538 |
|
XDeleteProperty(g_display, g_wnd, rdesktop_primary_timestamp_target_atom); |
539 |
|
DEBUG_CLIPBOARD(("Got PRIMARY timestamp: %u\n", |
540 |
|
(unsigned) primary_timestamp)); |
541 |
|
} |
542 |
|
else |
543 |
|
{ |
544 |
|
clipboard_timestamp = *(Time *) data; |
545 |
|
if (clipboard_timestamp == 0) |
546 |
|
clipboard_timestamp++; |
547 |
|
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_timestamp_target_atom); |
548 |
|
DEBUG_CLIPBOARD(("Got CLIPBOARD timestamp: %u\n", |
549 |
|
(unsigned) clipboard_timestamp)); |
550 |
|
} |
551 |
|
|
552 |
|
XFree(data); |
553 |
|
|
554 |
|
if (primary_timestamp && clipboard_timestamp) |
555 |
|
{ |
556 |
|
if (primary_timestamp > clipboard_timestamp) |
557 |
|
{ |
558 |
|
DEBUG_CLIPBOARD(("PRIMARY is most recent selection.\n")); |
559 |
|
XConvertSelection(g_display, primary_atom, targets_atom, |
560 |
|
rdesktop_clipboard_target_atom, g_wnd, |
561 |
|
event->time); |
562 |
|
} |
563 |
|
else |
564 |
|
{ |
565 |
|
DEBUG_CLIPBOARD(("CLIPBOARD is most recent selection.\n")); |
566 |
|
XConvertSelection(g_display, clipboard_atom, targets_atom, |
567 |
|
rdesktop_clipboard_target_atom, g_wnd, |
568 |
|
event->time); |
569 |
|
} |
570 |
|
} |
571 |
|
|
572 |
|
return; |
573 |
|
} |
574 |
|
|
575 |
|
if (probing_selections && reprobe_selections) |
576 |
|
{ |
577 |
|
probing_selections = False; |
578 |
|
xclip_probe_selections(); |
579 |
|
return; |
580 |
|
} |
581 |
|
|
582 |
res = XGetWindowProperty(g_display, g_wnd, rdesktop_clipboard_target_atom, |
res = XGetWindowProperty(g_display, g_wnd, rdesktop_clipboard_target_atom, |
583 |
0, XMaxRequestSize(g_display), True, AnyPropertyType, |
0, XMaxRequestSize(g_display), False, AnyPropertyType, |
584 |
&type, &format, &nitems, &bytes_left, &data); |
&type, &format, &nitems, &bytes_left, &data); |
585 |
|
|
586 |
|
xclip_clear_target_props(); |
587 |
|
|
588 |
if (res != Success) |
if (res != Success) |
589 |
{ |
{ |
590 |
DEBUG_CLIPBOARD(("XGetWindowProperty failed!\n")); |
DEBUG_CLIPBOARD(("XGetWindowProperty failed!\n")); |
591 |
goto fail; |
goto fail; |
592 |
} |
} |
593 |
|
|
594 |
|
if (type == incr_atom) |
595 |
|
{ |
596 |
|
DEBUG_CLIPBOARD(("Received INCR.\n")); |
597 |
|
|
598 |
|
XGetWindowAttributes(g_display, g_wnd, &wa); |
599 |
|
if ((wa.your_event_mask | PropertyChangeMask) != wa.your_event_mask) |
600 |
|
{ |
601 |
|
XSelectInput(g_display, g_wnd, (wa.your_event_mask | PropertyChangeMask)); |
602 |
|
} |
603 |
|
XFree(data); |
604 |
|
g_incr_target = event->target; |
605 |
|
g_waiting_for_INCR = 1; |
606 |
|
goto end; |
607 |
|
} |
608 |
|
|
609 |
|
/* Negotiate target format */ |
610 |
if (event->target == targets_atom) |
if (event->target == targets_atom) |
611 |
{ |
{ |
612 |
/* FIXME: We should choose format here based on what the server wanted */ |
/* Determine the best of text targets that we have available: |
613 |
best_target = XA_STRING; |
Prefer UTF8_STRING > text/unicode (unspecified encoding) > STRING |
614 |
|
(ignore TEXT and COMPOUND_TEXT because we don't have code to handle them) |
615 |
|
*/ |
616 |
|
int text_target_satisfaction = 0; |
617 |
|
Atom best_text_target = 0; /* measures how much we're satisfied with what we found */ |
618 |
if (type != None) |
if (type != None) |
619 |
{ |
{ |
620 |
supported_targets = (Atom *) data; |
supported_targets = (Atom *) data; |
|
text_target = XInternAtom(g_display, "TEXT", False); |
|
621 |
for (i = 0; i < nitems; i++) |
for (i = 0; i < nitems; i++) |
622 |
{ |
{ |
623 |
DEBUG_CLIPBOARD(("Target %d: %s\n", i, |
DEBUG_CLIPBOARD(("Target %d: %s\n", i, |
624 |
XGetAtomName(g_display, supported_targets[i]))); |
XGetAtomName(g_display, supported_targets[i]))); |
625 |
if (supported_targets[i] == text_target) |
if (supported_targets[i] == format_string_atom) |
626 |
|
{ |
627 |
|
if (text_target_satisfaction < 1) |
628 |
|
{ |
629 |
|
DEBUG_CLIPBOARD(("Other party supports STRING, choosing that as best_target\n")); |
630 |
|
best_text_target = supported_targets[i]; |
631 |
|
text_target_satisfaction = 1; |
632 |
|
} |
633 |
|
} |
634 |
|
#ifdef USE_UNICODE_CLIPBOARD |
635 |
|
else if (supported_targets[i] == format_unicode_atom) |
636 |
|
{ |
637 |
|
if (text_target_satisfaction < 2) |
638 |
|
{ |
639 |
|
DEBUG_CLIPBOARD(("Other party supports text/unicode, choosing that as best_target\n")); |
640 |
|
best_text_target = supported_targets[i]; |
641 |
|
text_target_satisfaction = 2; |
642 |
|
} |
643 |
|
} |
644 |
|
else if (supported_targets[i] == format_utf8_string_atom) |
645 |
{ |
{ |
646 |
DEBUG_CLIPBOARD(("Other party supports TEXT, choosing that as best_target\n")); |
if (text_target_satisfaction < 3) |
647 |
best_target = text_target; |
{ |
648 |
|
DEBUG_CLIPBOARD(("Other party supports UTF8_STRING, choosing that as best_target\n")); |
649 |
|
best_text_target = supported_targets[i]; |
650 |
|
text_target_satisfaction = 3; |
651 |
|
} |
652 |
|
} |
653 |
|
#endif |
654 |
|
else if (supported_targets[i] == rdesktop_clipboard_formats_atom) |
655 |
|
{ |
656 |
|
if (probing_selections && (text_target_satisfaction < 4)) |
657 |
|
{ |
658 |
|
DEBUG_CLIPBOARD(("Other party supports native formats, choosing that as best_target\n")); |
659 |
|
best_text_target = supported_targets[i]; |
660 |
|
text_target_satisfaction = 4; |
661 |
|
} |
662 |
} |
} |
663 |
} |
} |
|
XFree(data); |
|
664 |
} |
} |
665 |
|
|
666 |
XConvertSelection(g_display, primary_atom, best_target, |
/* Kickstarting the next step in the process of satisfying RDP's |
667 |
rdesktop_clipboard_target_atom, g_wnd, event->time); |
clipboard request -- specifically, requesting the actual clipboard data. |
668 |
return; |
*/ |
669 |
|
if ((best_text_target != 0) |
670 |
|
&& (!probing_selections |
671 |
|
|| (best_text_target == rdesktop_clipboard_formats_atom))) |
672 |
|
{ |
673 |
|
XConvertSelection(g_display, event->selection, best_text_target, |
674 |
|
rdesktop_clipboard_target_atom, g_wnd, event->time); |
675 |
|
goto end; |
676 |
|
} |
677 |
|
else |
678 |
|
{ |
679 |
|
DEBUG_CLIPBOARD(("Unable to find a textual target to satisfy RDP clipboard text request\n")); |
680 |
|
goto fail; |
681 |
|
} |
682 |
} |
} |
683 |
|
else |
|
if (type == incr_atom) |
|
684 |
{ |
{ |
685 |
warning("We don't support INCR transfers at this time. Try cutting less data.\n"); |
if (probing_selections) |
686 |
goto fail; |
{ |
687 |
|
Window primary_owner, clipboard_owner; |
688 |
|
|
689 |
|
/* FIXME: |
690 |
|
Without XFIXES, we must make sure that the other |
691 |
|
rdesktop owns all relevant selections or we might try |
692 |
|
to get a native format from non-rdesktop window later |
693 |
|
on. */ |
694 |
|
|
695 |
|
clipboard_owner = XGetSelectionOwner(g_display, clipboard_atom); |
696 |
|
|
697 |
|
if (auto_mode) |
698 |
|
primary_owner = XGetSelectionOwner(g_display, primary_atom); |
699 |
|
else |
700 |
|
primary_owner = clipboard_owner; |
701 |
|
|
702 |
|
if (primary_owner != clipboard_owner) |
703 |
|
goto fail; |
704 |
|
|
705 |
|
DEBUG_CLIPBOARD(("Got fellow rdesktop formats\n")); |
706 |
|
probing_selections = False; |
707 |
|
rdesktop_is_selection_owner = True; |
708 |
|
cliprdr_send_native_format_announce(data, nitems); |
709 |
|
} |
710 |
|
else if (!xclip_send_data_with_convert(data, nitems, event->target)) |
711 |
|
{ |
712 |
|
goto fail; |
713 |
|
} |
714 |
} |
} |
715 |
|
|
716 |
cliprdr_send_data(data, nitems + 1); |
end: |
717 |
XFree(data); |
if (data) |
718 |
|
XFree(data); |
719 |
|
|
|
if (!rdesktop_is_selection_owner) |
|
|
cliprdr_send_text_format_announce(); |
|
720 |
return; |
return; |
721 |
|
|
722 |
fail: |
fail: |
723 |
cliprdr_send_data(NULL, 0); |
xclip_clear_target_props(); |
724 |
|
if (probing_selections) |
725 |
|
{ |
726 |
|
DEBUG_CLIPBOARD(("Unable to find suitable target. Using default text format.\n")); |
727 |
|
probing_selections = False; |
728 |
|
rdesktop_is_selection_owner = False; |
729 |
|
|
730 |
|
/* FIXME: |
731 |
|
Without XFIXES, we cannot reliably know the formats offered by an |
732 |
|
upcoming selection owner, so we just lie about him offering |
733 |
|
RDP_CF_TEXT. */ |
734 |
|
cliprdr_send_simple_native_format_announce(RDP_CF_TEXT); |
735 |
|
} |
736 |
|
else |
737 |
|
{ |
738 |
|
helper_cliprdr_send_empty_response(); |
739 |
|
} |
740 |
|
goto end; |
741 |
} |
} |
742 |
|
|
743 |
|
/* This function is called for SelectionRequest events. |
744 |
|
The SelectionRequest event is sent from the requestor to the clipboard owner |
745 |
|
to request clipboard data. |
746 |
|
*/ |
747 |
void |
void |
748 |
xclip_handle_SelectionRequest(XSelectionRequestEvent * event) |
xclip_handle_SelectionRequest(XSelectionRequestEvent * event) |
749 |
{ |
{ |
750 |
unsigned long nitems, bytes_left; |
unsigned long nitems, bytes_left; |
751 |
uint32 *wanted_format; |
unsigned char *prop_return; |
752 |
int format, res; |
int format, res; |
753 |
Atom type; |
Atom type; |
754 |
|
|
759 |
|
|
760 |
if (event->target == targets_atom) |
if (event->target == targets_atom) |
761 |
{ |
{ |
762 |
xclip_provide_selection(event, XA_ATOM, 32, (uint8 *) & targets, NUM_TARGETS); |
xclip_provide_selection(event, XA_ATOM, 32, (uint8 *) & targets, num_targets); |
763 |
return; |
return; |
764 |
} |
} |
765 |
else if (event->target == timestamp_atom) |
else if (event->target == timestamp_atom) |
766 |
{ |
{ |
767 |
xclip_provide_selection(event, XA_INTEGER, 32, (uint8 *) & g_last_gesturetime, 1); |
xclip_provide_selection(event, XA_INTEGER, 32, (uint8 *) & acquire_time, 1); |
768 |
return; |
return; |
769 |
} |
} |
770 |
else if (event->target == rdesktop_clipboard_formats_atom) |
else if (event->target == rdesktop_clipboard_formats_atom) |
771 |
{ |
{ |
772 |
res = XGetWindowProperty(g_display, event->requestor, |
xclip_provide_selection(event, XA_STRING, 8, formats_data, formats_data_length); |
|
rdesktop_clipboard_target_atom, 0, 1, True, XA_INTEGER, |
|
|
&type, &format, &nitems, &bytes_left, |
|
|
(unsigned char **) &wanted_format); |
|
|
format = (res == Success) ? *wanted_format : CF_TEXT; |
|
773 |
} |
} |
774 |
else |
else |
775 |
{ |
{ |
776 |
format = CF_TEXT; |
/* All the following targets require an async operation with the RDP server |
777 |
} |
and currently we don't do X clipboard request queueing so we can only |
778 |
|
handle one such request at a time. */ |
779 |
|
if (has_selection_request) |
780 |
|
{ |
781 |
|
DEBUG_CLIPBOARD(("Error: Another clipboard request was already sent to the RDP server and not yet responded. Refusing this request.\n")); |
782 |
|
xclip_refuse_selection(event); |
783 |
|
return; |
784 |
|
} |
785 |
|
if (event->target == rdesktop_native_atom) |
786 |
|
{ |
787 |
|
/* Before the requestor makes a request for the _RDESKTOP_NATIVE target, |
788 |
|
he should declare requestor[property] = CF_SOMETHING. */ |
789 |
|
res = XGetWindowProperty(g_display, event->requestor, |
790 |
|
event->property, 0, 1, True, |
791 |
|
XA_INTEGER, &type, &format, &nitems, &bytes_left, |
792 |
|
&prop_return); |
793 |
|
if (res != Success) |
794 |
|
{ |
795 |
|
DEBUG_CLIPBOARD(("Requested native format but didn't specifiy which.\n")); |
796 |
|
xclip_refuse_selection(event); |
797 |
|
return; |
798 |
|
} |
799 |
|
|
800 |
|
format = *(uint32 *) prop_return; |
801 |
|
XFree(prop_return); |
802 |
|
} |
803 |
|
else if (event->target == format_string_atom || event->target == XA_STRING) |
804 |
|
{ |
805 |
|
/* STRING and XA_STRING are defined to be ISO8859-1 */ |
806 |
|
format = CF_TEXT; |
807 |
|
} |
808 |
|
else if (event->target == format_utf8_string_atom) |
809 |
|
{ |
810 |
|
#ifdef USE_UNICODE_CLIPBOARD |
811 |
|
format = CF_UNICODETEXT; |
812 |
|
#else |
813 |
|
DEBUG_CLIPBOARD(("Requested target unavailable due to lack of Unicode support. (It was not in TARGETS, so why did you ask for it?!)\n")); |
814 |
|
xclip_refuse_selection(event); |
815 |
|
return; |
816 |
|
#endif |
817 |
|
} |
818 |
|
else if (event->target == format_unicode_atom) |
819 |
|
{ |
820 |
|
/* Assuming text/unicode to be UTF-16 */ |
821 |
|
format = CF_UNICODETEXT; |
822 |
|
} |
823 |
|
else |
824 |
|
{ |
825 |
|
DEBUG_CLIPBOARD(("Requested target unavailable. (It was not in TARGETS, so why did you ask for it?!)\n")); |
826 |
|
xclip_refuse_selection(event); |
827 |
|
return; |
828 |
|
} |
829 |
|
|
830 |
cliprdr_send_data_request(format); |
cliprdr_send_data_request(format); |
831 |
selection_request = *event; |
selection_request = *event; |
832 |
/* wait for data */ |
has_selection_request = True; |
833 |
|
return; /* wait for data */ |
834 |
|
} |
835 |
} |
} |
836 |
|
|
837 |
|
/* While this rdesktop holds ownership over the clipboard, it means the clipboard data |
838 |
|
is offered by the RDP server (and when it is pasted inside RDP, there's no network |
839 |
|
roundtrip). |
840 |
|
|
841 |
|
This event (SelectionClear) symbolizes this rdesktop lost onwership of the clipboard |
842 |
|
to some other X client. We should find out what clipboard formats this other |
843 |
|
client offers and announce that to RDP. */ |
844 |
void |
void |
845 |
xclip_handle_SelectionClear(void) |
xclip_handle_SelectionClear(void) |
846 |
{ |
{ |
847 |
DEBUG_CLIPBOARD(("xclip_handle_SelectionClear\n")); |
DEBUG_CLIPBOARD(("xclip_handle_SelectionClear\n")); |
848 |
have_primary = 0; |
xclip_notify_change(); |
849 |
XDeleteProperty(g_display, DefaultRootWindow(g_display), rdesktop_clipboard_formats_atom); |
xclip_probe_selections(); |
|
cliprdr_send_text_format_announce(); |
|
850 |
} |
} |
851 |
|
|
852 |
|
/* Called when any property changes in our window or the root window. */ |
853 |
void |
void |
854 |
xclip_handle_PropertyNotify(XPropertyEvent * event) |
xclip_handle_PropertyNotify(XPropertyEvent * event) |
855 |
{ |
{ |
856 |
unsigned long nitems, bytes_left; |
unsigned long nitems; |
857 |
int format, res; |
unsigned long offset = 0; |
858 |
|
unsigned long bytes_left = 1; |
859 |
|
int format; |
860 |
|
XWindowAttributes wa; |
861 |
uint8 *data; |
uint8 *data; |
862 |
Atom type; |
Atom type; |
863 |
|
|
864 |
if (event->atom != rdesktop_clipboard_formats_atom) |
if (event->state == PropertyNewValue && g_waiting_for_INCR) |
|
return; |
|
|
|
|
|
if (have_primary) /* from us */ |
|
|
return; |
|
|
|
|
|
if (event->state == PropertyNewValue) |
|
865 |
{ |
{ |
866 |
res = XGetWindowProperty(g_display, DefaultRootWindow(g_display), |
DEBUG_CLIPBOARD(("x_clip_handle_PropertyNotify: g_waiting_for_INCR != 0\n")); |
|
rdesktop_clipboard_formats_atom, 0, |
|
|
XMaxRequestSize(g_display), False, XA_STRING, &type, &format, |
|
|
&nitems, &bytes_left, &data); |
|
867 |
|
|
868 |
if ((res == Success) && (nitems > 0)) |
while (bytes_left > 0) |
869 |
{ |
{ |
870 |
cliprdr_send_native_format_announce(data, nitems); |
/* Unlike the specification, we don't set the 'delete' arugment to True |
871 |
rdesktop_is_selection_owner = 1; |
since we slurp the INCR's chunks in even-smaller chunks of 4096 bytes. */ |
872 |
return; |
if ((XGetWindowProperty |
873 |
|
(g_display, g_wnd, rdesktop_clipboard_target_atom, offset, 4096L, |
874 |
|
False, AnyPropertyType, &type, &format, &nitems, &bytes_left, |
875 |
|
&data) != Success)) |
876 |
|
{ |
877 |
|
XFree(data); |
878 |
|
return; |
879 |
|
} |
880 |
|
|
881 |
|
if (nitems == 0) |
882 |
|
{ |
883 |
|
/* INCR transfer finished */ |
884 |
|
XGetWindowAttributes(g_display, g_wnd, &wa); |
885 |
|
XSelectInput(g_display, g_wnd, |
886 |
|
(wa.your_event_mask ^ PropertyChangeMask)); |
887 |
|
XFree(data); |
888 |
|
g_waiting_for_INCR = 0; |
889 |
|
|
890 |
|
if (g_clip_buflen > 0) |
891 |
|
{ |
892 |
|
if (!xclip_send_data_with_convert |
893 |
|
(g_clip_buffer, g_clip_buflen, g_incr_target)) |
894 |
|
{ |
895 |
|
helper_cliprdr_send_empty_response(); |
896 |
|
} |
897 |
|
xfree(g_clip_buffer); |
898 |
|
g_clip_buffer = NULL; |
899 |
|
g_clip_buflen = 0; |
900 |
|
} |
901 |
|
} |
902 |
|
else |
903 |
|
{ |
904 |
|
/* Another chunk in the INCR transfer */ |
905 |
|
offset += (nitems / 4); /* offset at which to begin the next slurp */ |
906 |
|
g_clip_buffer = xrealloc(g_clip_buffer, g_clip_buflen + nitems); |
907 |
|
memcpy(g_clip_buffer + g_clip_buflen, data, nitems); |
908 |
|
g_clip_buflen += nitems; |
909 |
|
|
910 |
|
XFree(data); |
911 |
|
} |
912 |
} |
} |
913 |
|
XDeleteProperty(g_display, g_wnd, rdesktop_clipboard_target_atom); |
914 |
|
return; |
915 |
} |
} |
916 |
|
|
917 |
/* PropertyDelete, or XGetWindowProperty failed */ |
if ((event->atom == rdesktop_selection_notify_atom) && |
918 |
cliprdr_send_text_format_announce(); |
(event->window == DefaultRootWindow(g_display))) |
919 |
rdesktop_is_selection_owner = 0; |
xclip_probe_selections(); |
920 |
} |
} |
921 |
|
#endif |
922 |
|
|
923 |
|
|
924 |
|
/* Called when the RDP server announces new clipboard data formats. |
925 |
|
In response, we: |
926 |
|
- take ownership over the clipboard |
927 |
|
- declare those formats in their Windows native form |
928 |
|
to other rdesktop instances on this X server */ |
929 |
void |
void |
930 |
ui_clip_format_announce(char *data, uint32 length) |
ui_clip_format_announce(uint8 * data, uint32 length) |
931 |
{ |
{ |
932 |
XSetSelectionOwner(g_display, primary_atom, g_wnd, g_last_gesturetime); |
acquire_time = g_last_gesturetime; |
933 |
|
|
934 |
|
XSetSelectionOwner(g_display, primary_atom, g_wnd, acquire_time); |
935 |
if (XGetSelectionOwner(g_display, primary_atom) != g_wnd) |
if (XGetSelectionOwner(g_display, primary_atom) != g_wnd) |
|
{ |
|
936 |
warning("Failed to aquire ownership of PRIMARY clipboard\n"); |
warning("Failed to aquire ownership of PRIMARY clipboard\n"); |
|
return; |
|
|
} |
|
|
|
|
|
have_primary = 1; |
|
|
XChangeProperty(g_display, DefaultRootWindow(g_display), |
|
|
rdesktop_clipboard_formats_atom, XA_STRING, 8, PropModeReplace, data, |
|
|
length); |
|
937 |
|
|
938 |
XSetSelectionOwner(g_display, clipboard_atom, g_wnd, g_last_gesturetime); |
XSetSelectionOwner(g_display, clipboard_atom, g_wnd, acquire_time); |
939 |
if (XGetSelectionOwner(g_display, clipboard_atom) != g_wnd) |
if (XGetSelectionOwner(g_display, clipboard_atom) != g_wnd) |
940 |
warning("Failed to aquire ownership of CLIPBOARD clipboard\n"); |
warning("Failed to aquire ownership of CLIPBOARD clipboard\n"); |
941 |
|
|
942 |
|
if (formats_data) |
943 |
|
xfree(formats_data); |
944 |
|
formats_data = xmalloc(length); |
945 |
|
memcpy(formats_data, data, length); |
946 |
|
formats_data_length = length; |
947 |
|
|
948 |
|
xclip_notify_change(); |
949 |
} |
} |
950 |
|
|
951 |
|
/* Called when the RDP server responds with clipboard data (after we've requested it). */ |
952 |
|
void |
953 |
|
ui_clip_handle_data(uint8 * data, uint32 length) |
954 |
|
{ |
955 |
|
BOOL free_data = False; |
956 |
|
|
957 |
|
if (length == 0) |
958 |
|
{ |
959 |
|
xclip_refuse_selection(&selection_request); |
960 |
|
has_selection_request = False; |
961 |
|
return; |
962 |
|
} |
963 |
|
|
964 |
|
if (selection_request.target == format_string_atom || selection_request.target == XA_STRING) |
965 |
|
{ |
966 |
|
/* We're expecting a CF_TEXT response */ |
967 |
|
uint8 *firstnull; |
968 |
|
|
969 |
|
/* translate linebreaks */ |
970 |
|
crlf2lf(data, &length); |
971 |
|
|
972 |
|
/* Only send data up to null byte, if any */ |
973 |
|
firstnull = (uint8 *) strchr((char *) data, '\0'); |
974 |
|
if (firstnull) |
975 |
|
{ |
976 |
|
length = firstnull - data + 1; |
977 |
|
} |
978 |
|
} |
979 |
|
#ifdef USE_UNICODE_CLIPBOARD |
980 |
|
else if (selection_request.target == format_utf8_string_atom) |
981 |
|
{ |
982 |
|
/* We're expecting a CF_UNICODETEXT response */ |
983 |
|
iconv_t cd = iconv_open("UTF-8", WINDOWS_CODEPAGE); |
984 |
|
if (cd != (iconv_t) - 1) |
985 |
|
{ |
986 |
|
size_t utf8_length = length * 2; |
987 |
|
char *utf8_data = malloc(utf8_length); |
988 |
|
size_t utf8_length_remaining = utf8_length; |
989 |
|
char *utf8_data_remaining = utf8_data; |
990 |
|
char *data_remaining = (char *) data; |
991 |
|
size_t length_remaining = (size_t) length; |
992 |
|
if (utf8_data == NULL) |
993 |
|
{ |
994 |
|
iconv_close(cd); |
995 |
|
return; |
996 |
|
} |
997 |
|
iconv(cd, (ICONV_CONST char **) &data_remaining, &length_remaining, |
998 |
|
&utf8_data_remaining, &utf8_length_remaining); |
999 |
|
iconv_close(cd); |
1000 |
|
free_data = True; |
1001 |
|
data = (uint8 *) utf8_data; |
1002 |
|
length = utf8_length - utf8_length_remaining; |
1003 |
|
} |
1004 |
|
} |
1005 |
|
else if (selection_request.target == format_unicode_atom) |
1006 |
|
{ |
1007 |
|
/* We're expecting a CF_UNICODETEXT response, so what we're |
1008 |
|
receiving matches our requirements and there's no need |
1009 |
|
for further conversions. */ |
1010 |
|
} |
1011 |
|
#endif |
1012 |
|
else if (selection_request.target == rdesktop_native_atom) |
1013 |
|
{ |
1014 |
|
/* Pass as-is */ |
1015 |
|
} |
1016 |
|
else |
1017 |
|
{ |
1018 |
|
DEBUG_CLIPBOARD(("ui_clip_handle_data: BUG! I don't know how to convert selection target %s!\n", XGetAtomName(g_display, selection_request.target))); |
1019 |
|
xclip_refuse_selection(&selection_request); |
1020 |
|
has_selection_request = False; |
1021 |
|
return; |
1022 |
|
} |
1023 |
|
|
1024 |
|
xclip_provide_selection(&selection_request, selection_request.target, 8, data, length - 1); |
1025 |
|
has_selection_request = False; |
1026 |
|
|
1027 |
|
if (free_data) |
1028 |
|
free(data); |
1029 |
|
} |
1030 |
|
|
1031 |
void |
void |
1032 |
ui_clip_handle_data(char *data, uint32 length) |
ui_clip_request_failed() |
1033 |
{ |
{ |
1034 |
xclip_provide_selection(&selection_request, XA_STRING, 8, data, length - 1); |
xclip_refuse_selection(&selection_request); |
1035 |
|
has_selection_request = False; |
1036 |
} |
} |
1037 |
|
|
1038 |
void |
void |
1039 |
ui_clip_request_data(uint32 format) |
ui_clip_request_data(uint32 format) |
1040 |
{ |
{ |
1041 |
Window selectionowner; |
Window primary_owner, clipboard_owner; |
1042 |
|
|
1043 |
DEBUG_CLIPBOARD(("Request from server for format %d\n", format)); |
DEBUG_CLIPBOARD(("Request from server for format %d\n", format)); |
1044 |
|
rdp_clipboard_request_format = format; |
1045 |
|
|
1046 |
|
if (probing_selections) |
1047 |
|
{ |
1048 |
|
DEBUG_CLIPBOARD(("ui_clip_request_data: Selection probe in progress. Cannot handle request.\n")); |
1049 |
|
helper_cliprdr_send_empty_response(); |
1050 |
|
return; |
1051 |
|
} |
1052 |
|
|
1053 |
|
xclip_clear_target_props(); |
1054 |
|
|
1055 |
if (rdesktop_is_selection_owner) |
if (rdesktop_is_selection_owner) |
1056 |
{ |
{ |
1057 |
XChangeProperty(g_display, g_wnd, rdesktop_clipboard_target_atom, |
XChangeProperty(g_display, g_wnd, rdesktop_clipboard_target_atom, |
1058 |
XA_INTEGER, 32, PropModeReplace, (unsigned char *) &format, 1); |
XA_INTEGER, 32, PropModeReplace, (unsigned char *) &format, 1); |
1059 |
|
|
1060 |
XConvertSelection(g_display, primary_atom, rdesktop_clipboard_formats_atom, |
XConvertSelection(g_display, primary_atom, rdesktop_native_atom, |
1061 |
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
1062 |
return; |
return; |
1063 |
} |
} |
1064 |
|
|
1065 |
selectionowner = XGetSelectionOwner(g_display, primary_atom); |
if (auto_mode) |
1066 |
if (selectionowner != None) |
primary_owner = XGetSelectionOwner(g_display, primary_atom); |
1067 |
|
else |
1068 |
|
primary_owner = None; |
1069 |
|
|
1070 |
|
clipboard_owner = XGetSelectionOwner(g_display, clipboard_atom); |
1071 |
|
|
1072 |
|
/* Both available */ |
1073 |
|
if ((primary_owner != None) && (clipboard_owner != None)) |
1074 |
|
{ |
1075 |
|
primary_timestamp = 0; |
1076 |
|
clipboard_timestamp = 0; |
1077 |
|
XConvertSelection(g_display, primary_atom, timestamp_atom, |
1078 |
|
rdesktop_primary_timestamp_target_atom, g_wnd, CurrentTime); |
1079 |
|
XConvertSelection(g_display, clipboard_atom, timestamp_atom, |
1080 |
|
rdesktop_clipboard_timestamp_target_atom, g_wnd, CurrentTime); |
1081 |
|
return; |
1082 |
|
} |
1083 |
|
|
1084 |
|
/* Just PRIMARY */ |
1085 |
|
if (primary_owner != None) |
1086 |
{ |
{ |
1087 |
XConvertSelection(g_display, primary_atom, targets_atom, |
XConvertSelection(g_display, primary_atom, targets_atom, |
1088 |
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
1089 |
return; |
return; |
1090 |
} |
} |
1091 |
|
|
1092 |
/* No PRIMARY, try CLIPBOARD */ |
/* Just CLIPBOARD */ |
1093 |
selectionowner = XGetSelectionOwner(g_display, clipboard_atom); |
if (clipboard_owner != None) |
|
if (selectionowner != None) |
|
1094 |
{ |
{ |
1095 |
XConvertSelection(g_display, clipboard_atom, targets_atom, |
XConvertSelection(g_display, clipboard_atom, targets_atom, |
1096 |
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
rdesktop_clipboard_target_atom, g_wnd, CurrentTime); |
1098 |
} |
} |
1099 |
|
|
1100 |
/* No data available */ |
/* No data available */ |
1101 |
cliprdr_send_data(NULL, 0); |
helper_cliprdr_send_empty_response(); |
1102 |
} |
} |
1103 |
|
|
1104 |
void |
void |
1105 |
ui_clip_sync(void) |
ui_clip_sync(void) |
1106 |
{ |
{ |
1107 |
cliprdr_send_text_format_announce(); |
xclip_probe_selections(); |
1108 |
} |
} |
1109 |
|
|
1110 |
|
void |
1111 |
|
ui_clip_set_mode(const char *optarg) |
1112 |
|
{ |
1113 |
|
g_rdpclip = True; |
1114 |
|
|
1115 |
|
if (str_startswith(optarg, "auto") || str_startswith(optarg, "on") |
1116 |
|
|| str_startswith(optarg, "PRIMARYCLIPBOARD")) |
1117 |
|
auto_mode = True; |
1118 |
|
else if (str_startswith(optarg, "CLIPBOARD")) |
1119 |
|
auto_mode = False; |
1120 |
|
else |
1121 |
|
{ |
1122 |
|
warning("Invalid clipboard mode '%s'.\n", optarg); |
1123 |
|
g_rdpclip = False; |
1124 |
|
} |
1125 |
|
} |
1126 |
|
|
1127 |
void |
void |
1128 |
xclip_init(void) |
xclip_init(void) |
1129 |
{ |
{ |
1130 |
|
if (!g_rdpclip) |
1131 |
|
return; |
1132 |
|
|
1133 |
if (!cliprdr_init()) |
if (!cliprdr_init()) |
1134 |
return; |
return; |
1135 |
|
|
1137 |
clipboard_atom = XInternAtom(g_display, "CLIPBOARD", False); |
clipboard_atom = XInternAtom(g_display, "CLIPBOARD", False); |
1138 |
targets_atom = XInternAtom(g_display, "TARGETS", False); |
targets_atom = XInternAtom(g_display, "TARGETS", False); |
1139 |
timestamp_atom = XInternAtom(g_display, "TIMESTAMP", False); |
timestamp_atom = XInternAtom(g_display, "TIMESTAMP", False); |
1140 |
rdesktop_clipboard_target_atom = XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_TARGET", False); |
rdesktop_clipboard_target_atom = |
1141 |
|
XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_TARGET", False); |
1142 |
|
rdesktop_primary_timestamp_target_atom = |
1143 |
|
XInternAtom(g_display, "_RDESKTOP_PRIMARY_TIMESTAMP_TARGET", False); |
1144 |
|
rdesktop_clipboard_timestamp_target_atom = |
1145 |
|
XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_TIMESTAMP_TARGET", False); |
1146 |
incr_atom = XInternAtom(g_display, "INCR", False); |
incr_atom = XInternAtom(g_display, "INCR", False); |
1147 |
targets[0] = targets_atom; |
format_string_atom = XInternAtom(g_display, "STRING", False); |
1148 |
targets[1] = XInternAtom(g_display, "TEXT", False); |
format_utf8_string_atom = XInternAtom(g_display, "UTF8_STRING", False); |
1149 |
targets[2] = XInternAtom(g_display, "UTF8_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; |
|
1150 |
|
|
1151 |
/* rdesktop sets _RDESKTOP_CLIPBOARD_FORMATS on the root window when acquiring the clipboard. |
/* rdesktop sets _RDESKTOP_SELECTION_NOTIFY on the root window when acquiring the clipboard. |
1152 |
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. */ |
1153 |
|
rdesktop_selection_notify_atom = |
1154 |
|
XInternAtom(g_display, "_RDESKTOP_SELECTION_NOTIFY", False); |
1155 |
|
XSelectInput(g_display, DefaultRootWindow(g_display), PropertyChangeMask); |
1156 |
|
probing_selections = False; |
1157 |
|
|
1158 |
|
rdesktop_native_atom = XInternAtom(g_display, "_RDESKTOP_NATIVE", False); |
1159 |
rdesktop_clipboard_formats_atom = |
rdesktop_clipboard_formats_atom = |
1160 |
XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_FORMATS", False); |
XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_FORMATS", False); |
1161 |
XSelectInput(g_display, DefaultRootWindow(g_display), PropertyChangeMask); |
rdesktop_primary_owner_atom = XInternAtom(g_display, "_RDESKTOP_PRIMARY_OWNER", False); |
1162 |
|
rdesktop_clipboard_owner_atom = XInternAtom(g_display, "_RDESKTOP_CLIPBOARD_OWNER", False); |
1163 |
|
|
1164 |
|
num_targets = 0; |
1165 |
|
targets[num_targets++] = targets_atom; |
1166 |
|
targets[num_targets++] = timestamp_atom; |
1167 |
|
targets[num_targets++] = rdesktop_native_atom; |
1168 |
|
targets[num_targets++] = rdesktop_clipboard_formats_atom; |
1169 |
|
#ifdef USE_UNICODE_CLIPBOARD |
1170 |
|
targets[num_targets++] = format_utf8_string_atom; |
1171 |
|
#endif |
1172 |
|
targets[num_targets++] = format_unicode_atom; |
1173 |
|
targets[num_targets++] = format_string_atom; |
1174 |
|
targets[num_targets++] = XA_STRING; |
1175 |
|
} |
1176 |
|
|
1177 |
|
void |
1178 |
|
xclip_deinit(void) |
1179 |
|
{ |
1180 |
|
if (XGetSelectionOwner(g_display, primary_atom) == g_wnd) |
1181 |
|
XSetSelectionOwner(g_display, primary_atom, None, acquire_time); |
1182 |
|
if (XGetSelectionOwner(g_display, clipboard_atom) == g_wnd) |
1183 |
|
XSetSelectionOwner(g_display, clipboard_atom, None, acquire_time); |
1184 |
|
xclip_notify_change(); |
1185 |
} |
} |