Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 1 | /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved. |
DRC | b4a8323 | 2011-08-19 04:57:18 +0000 | [diff] [blame] | 2 | * Copyright (C) 2011 D. R. Commander. All Rights Reserved. |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 3 | * Copyright 2009-2014 Pierre Ossman for Cendio AB |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 4 | * |
| 5 | * This is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This software is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this software; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| 18 | * USA. |
| 19 | */ |
| 20 | #include <stdio.h> |
| 21 | #include <assert.h> |
| 22 | #include <rdr/OutStream.h> |
| 23 | #include <rfb/msgTypes.h> |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 24 | #include <rfb/fenceTypes.h> |
| 25 | #include <rfb/Exception.h> |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 26 | #include <rfb/ConnParams.h> |
| 27 | #include <rfb/UpdateTracker.h> |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 28 | #include <rfb/Encoder.h> |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 29 | #include <rfb/SMsgWriter.h> |
| 30 | #include <rfb/LogWriter.h> |
| 31 | |
| 32 | using namespace rfb; |
| 33 | |
| 34 | static LogWriter vlog("SMsgWriter"); |
| 35 | |
| 36 | SMsgWriter::SMsgWriter(ConnParams* cp_, rdr::OutStream* os_) |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 37 | : imageBufIdealSize(0), cp(cp_), os(os_), currentEncoding(0), |
| 38 | nRectsInUpdate(0), nRectsInHeader(0), |
| 39 | wsccb(0), needSetDesktopSize(false), |
| 40 | needExtendedDesktopSize(false), needSetDesktopName(false), |
| 41 | lenBeforeRect(0), updatesSent(0), rawBytesEquivalent(0), |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 42 | imageBuf(0), imageBufSize(0) |
| 43 | { |
Peter Åstrand | 98fe98c | 2010-02-10 07:43:02 +0000 | [diff] [blame] | 44 | for (int i = 0; i <= encodingMax; i++) { |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 45 | bytesSent[i] = 0; |
| 46 | rectsSent[i] = 0; |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | SMsgWriter::~SMsgWriter() |
| 51 | { |
| 52 | vlog.info("framebuffer updates %d",updatesSent); |
| 53 | int bytes = 0; |
Peter Åstrand | 98fe98c | 2010-02-10 07:43:02 +0000 | [diff] [blame] | 54 | for (int i = 0; i <= encodingMax; i++) { |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 55 | if (i != encodingCopyRect) |
| 56 | bytes += bytesSent[i]; |
| 57 | if (rectsSent[i]) |
| 58 | vlog.info(" %s rects %d, bytes %d", |
| 59 | encodingName(i), rectsSent[i], bytesSent[i]); |
| 60 | } |
DRC | 887c5fd | 2011-08-19 03:13:47 +0000 | [diff] [blame] | 61 | vlog.info(" raw bytes equivalent %llu, compression ratio %f", |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 62 | rawBytesEquivalent, (double)rawBytesEquivalent / bytes); |
| 63 | delete [] imageBuf; |
| 64 | } |
| 65 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 66 | void SMsgWriter::writeServerInit() |
| 67 | { |
| 68 | os->writeU16(cp->width); |
| 69 | os->writeU16(cp->height); |
| 70 | cp->pf().write(os); |
| 71 | os->writeString(cp->name()); |
| 72 | endMsg(); |
| 73 | } |
| 74 | |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 75 | void SMsgWriter::writeSetColourMapEntries(int firstColour, int nColours, |
Pierre Ossman | b6b4dc6 | 2014-01-20 15:05:21 +0100 | [diff] [blame] | 76 | const rdr::U16 red[], |
| 77 | const rdr::U16 green[], |
| 78 | const rdr::U16 blue[]) |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 79 | { |
| 80 | startMsg(msgTypeSetColourMapEntries); |
| 81 | os->pad(1); |
| 82 | os->writeU16(firstColour); |
| 83 | os->writeU16(nColours); |
| 84 | for (int i = firstColour; i < firstColour+nColours; i++) { |
Pierre Ossman | b6b4dc6 | 2014-01-20 15:05:21 +0100 | [diff] [blame] | 85 | os->writeU16(red[i]); |
| 86 | os->writeU16(green[i]); |
| 87 | os->writeU16(blue[i]); |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 88 | } |
| 89 | endMsg(); |
| 90 | } |
| 91 | |
| 92 | void SMsgWriter::writeBell() |
| 93 | { |
| 94 | startMsg(msgTypeBell); |
| 95 | endMsg(); |
| 96 | } |
| 97 | |
| 98 | void SMsgWriter::writeServerCutText(const char* str, int len) |
| 99 | { |
| 100 | startMsg(msgTypeServerCutText); |
| 101 | os->pad(3); |
| 102 | os->writeU32(len); |
| 103 | os->writeBytes(str, len); |
| 104 | endMsg(); |
| 105 | } |
| 106 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 107 | void SMsgWriter::writeFence(rdr::U32 flags, unsigned len, const char data[]) |
| 108 | { |
| 109 | if (!cp->supportsFence) |
| 110 | throw Exception("Client does not support fences"); |
| 111 | if (len > 64) |
| 112 | throw Exception("Too large fence payload"); |
| 113 | if ((flags & ~fenceFlagsSupported) != 0) |
| 114 | throw Exception("Unknown fence flags"); |
| 115 | |
| 116 | startMsg(msgTypeServerFence); |
| 117 | os->pad(3); |
| 118 | |
| 119 | os->writeU32(flags); |
| 120 | |
| 121 | os->writeU8(len); |
| 122 | os->writeBytes(data, len); |
| 123 | |
| 124 | endMsg(); |
| 125 | } |
| 126 | |
| 127 | void SMsgWriter::writeEndOfContinuousUpdates() |
| 128 | { |
| 129 | if (!cp->supportsContinuousUpdates) |
| 130 | throw Exception("Client does not support continuous updates"); |
| 131 | |
| 132 | startMsg(msgTypeEndOfContinuousUpdates); |
| 133 | endMsg(); |
| 134 | } |
| 135 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 136 | bool SMsgWriter::writeSetDesktopSize() { |
| 137 | if (!cp->supportsDesktopResize) |
| 138 | return false; |
| 139 | |
| 140 | needSetDesktopSize = true; |
| 141 | |
| 142 | return true; |
| 143 | } |
| 144 | |
| 145 | bool SMsgWriter::writeExtendedDesktopSize() { |
| 146 | if (!cp->supportsExtendedDesktopSize) |
| 147 | return false; |
| 148 | |
| 149 | needExtendedDesktopSize = true; |
| 150 | |
| 151 | return true; |
| 152 | } |
| 153 | |
| 154 | bool SMsgWriter::writeExtendedDesktopSize(rdr::U16 reason, rdr::U16 result, |
| 155 | int fb_width, int fb_height, |
| 156 | const ScreenSet& layout) { |
| 157 | ExtendedDesktopSizeMsg msg; |
| 158 | |
| 159 | if (!cp->supportsExtendedDesktopSize) |
| 160 | return false; |
| 161 | |
| 162 | msg.reason = reason; |
| 163 | msg.result = result; |
| 164 | msg.fb_width = fb_width; |
| 165 | msg.fb_height = fb_height; |
| 166 | msg.layout = layout; |
| 167 | |
| 168 | extendedDesktopSizeMsgs.push_back(msg); |
| 169 | |
| 170 | return true; |
| 171 | } |
| 172 | |
| 173 | bool SMsgWriter::writeSetDesktopName() { |
| 174 | if (!cp->supportsDesktopRename) |
| 175 | return false; |
| 176 | |
| 177 | needSetDesktopName = true; |
| 178 | |
| 179 | return true; |
| 180 | } |
| 181 | |
| 182 | void SMsgWriter::cursorChange(WriteSetCursorCallback* cb) |
| 183 | { |
| 184 | wsccb = cb; |
| 185 | } |
| 186 | |
| 187 | void SMsgWriter::writeSetCursor(int width, int height, const Point& hotspot, |
| 188 | void* data, void* mask) |
| 189 | { |
| 190 | if (!wsccb) |
| 191 | return; |
| 192 | |
| 193 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 194 | throw Exception("SMsgWriter::writeSetCursor: nRects out of sync"); |
| 195 | |
| 196 | os->writeS16(hotspot.x); |
| 197 | os->writeS16(hotspot.y); |
| 198 | os->writeU16(width); |
| 199 | os->writeU16(height); |
| 200 | os->writeU32(pseudoEncodingCursor); |
| 201 | os->writeBytes(data, width * height * (cp->pf().bpp/8)); |
| 202 | os->writeBytes(mask, (width+7)/8 * height); |
| 203 | } |
| 204 | |
| 205 | void SMsgWriter::writeSetXCursor(int width, int height, int hotspotX, |
| 206 | int hotspotY, void* data, void* mask) |
| 207 | { |
| 208 | if (!wsccb) |
| 209 | return; |
| 210 | |
| 211 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 212 | throw Exception("SMsgWriter::writeSetXCursor: nRects out of sync"); |
| 213 | |
| 214 | os->writeS16(hotspotX); |
| 215 | os->writeS16(hotspotY); |
| 216 | os->writeU16(width); |
| 217 | os->writeU16(height); |
| 218 | os->writeU32(pseudoEncodingXCursor); |
| 219 | // FIXME: We only support black and white cursors, currently. We |
| 220 | // could pass the correct color by using the pix0/pix1 values |
| 221 | // returned from getBitmap, in writeSetCursorCallback. However, we |
| 222 | // would then need to undo the conversion from rgb to Pixel that is |
| 223 | // done by FakeAllocColor. |
| 224 | if (width * height) { |
| 225 | os->writeU8(0); |
| 226 | os->writeU8(0); |
| 227 | os->writeU8(0); |
| 228 | os->writeU8(255); |
| 229 | os->writeU8(255); |
| 230 | os->writeU8(255); |
| 231 | os->writeBytes(data, (width+7)/8 * height); |
| 232 | os->writeBytes(mask, (width+7)/8 * height); |
| 233 | } |
| 234 | } |
| 235 | |
Pierre Ossman | e9962f7 | 2009-04-23 12:31:42 +0000 | [diff] [blame] | 236 | bool SMsgWriter::needFakeUpdate() |
| 237 | { |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 238 | return wsccb || needSetDesktopName || needNoDataUpdate(); |
Pierre Ossman | e9962f7 | 2009-04-23 12:31:42 +0000 | [diff] [blame] | 239 | } |
| 240 | |
Pierre Ossman | e9962f7 | 2009-04-23 12:31:42 +0000 | [diff] [blame] | 241 | bool SMsgWriter::needNoDataUpdate() |
| 242 | { |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 243 | return needSetDesktopSize || needExtendedDesktopSize || |
| 244 | !extendedDesktopSizeMsgs.empty(); |
Pierre Ossman | e9962f7 | 2009-04-23 12:31:42 +0000 | [diff] [blame] | 245 | } |
| 246 | |
| 247 | void SMsgWriter::writeNoDataUpdate() |
| 248 | { |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 249 | int nRects; |
| 250 | |
| 251 | nRects = 0; |
| 252 | |
| 253 | if (needSetDesktopSize) |
| 254 | nRects++; |
| 255 | if (needExtendedDesktopSize) |
| 256 | nRects++; |
| 257 | if (!extendedDesktopSizeMsgs.empty()) |
| 258 | nRects += extendedDesktopSizeMsgs.size(); |
| 259 | |
| 260 | writeFramebufferUpdateStart(nRects); |
| 261 | writeNoDataRects(); |
| 262 | writeFramebufferUpdateEnd(); |
Pierre Ossman | e9962f7 | 2009-04-23 12:31:42 +0000 | [diff] [blame] | 263 | } |
| 264 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 265 | void SMsgWriter::writeFramebufferUpdateStart(int nRects) |
| 266 | { |
| 267 | startMsg(msgTypeFramebufferUpdate); |
| 268 | os->pad(1); |
| 269 | |
| 270 | if (nRects != 0xFFFF) { |
| 271 | if (wsccb) |
| 272 | nRects++; |
| 273 | if (needSetDesktopName) |
| 274 | nRects++; |
| 275 | } |
| 276 | |
| 277 | os->writeU16(nRects); |
| 278 | |
| 279 | nRectsInUpdate = 0; |
| 280 | if (nRects == 0xFFFF) |
| 281 | nRectsInHeader = 0; |
| 282 | else |
| 283 | nRectsInHeader = nRects; |
| 284 | |
| 285 | writePseudoRects(); |
| 286 | } |
| 287 | |
| 288 | void SMsgWriter::writeFramebufferUpdateEnd() |
| 289 | { |
| 290 | if (nRectsInUpdate != nRectsInHeader && nRectsInHeader) |
| 291 | throw Exception("SMsgWriter::writeFramebufferUpdateEnd: " |
| 292 | "nRects out of sync"); |
| 293 | |
| 294 | if (nRectsInHeader == 0) { |
| 295 | // Send last rect. marker |
| 296 | os->writeS16(0); |
| 297 | os->writeS16(0); |
| 298 | os->writeU16(0); |
| 299 | os->writeU16(0); |
| 300 | os->writeU32(pseudoEncodingLastRect); |
| 301 | } |
| 302 | |
| 303 | updatesSent++; |
| 304 | endMsg(); |
| 305 | } |
| 306 | |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 307 | void SMsgWriter::writeCopyRect(const Rect& r, int srcX, int srcY) |
| 308 | { |
| 309 | startRect(r,encodingCopyRect); |
| 310 | os->writeU16(srcX); |
| 311 | os->writeU16(srcY); |
| 312 | endRect(); |
| 313 | } |
| 314 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 315 | void SMsgWriter::startRect(const Rect& r, int encoding) |
| 316 | { |
| 317 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 318 | throw Exception("SMsgWriter::startRect: nRects out of sync"); |
| 319 | |
| 320 | currentEncoding = encoding; |
| 321 | lenBeforeRect = os->length(); |
| 322 | if (encoding != encodingCopyRect) |
Pierre Ossman | 668468b | 2014-01-31 12:37:32 +0100 | [diff] [blame] | 323 | rawBytesEquivalent += 12 + r.width() * r.height() * (cp->pf().bpp/8); |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 324 | |
| 325 | os->writeS16(r.tl.x); |
| 326 | os->writeS16(r.tl.y); |
| 327 | os->writeU16(r.width()); |
| 328 | os->writeU16(r.height()); |
| 329 | os->writeU32(encoding); |
| 330 | } |
| 331 | |
| 332 | void SMsgWriter::endRect() |
| 333 | { |
| 334 | if (currentEncoding <= encodingMax) { |
| 335 | bytesSent[currentEncoding] += os->length() - lenBeforeRect; |
| 336 | rectsSent[currentEncoding]++; |
| 337 | } |
| 338 | } |
| 339 | |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 340 | rdr::U8* SMsgWriter::getImageBuf(int required, int requested, int* nPixels) |
| 341 | { |
| 342 | int requiredBytes = required * (cp->pf().bpp / 8); |
| 343 | int requestedBytes = requested * (cp->pf().bpp / 8); |
| 344 | int size = requestedBytes; |
| 345 | if (size > imageBufIdealSize) size = imageBufIdealSize; |
| 346 | |
| 347 | if (size < requiredBytes) |
| 348 | size = requiredBytes; |
| 349 | |
| 350 | if (imageBufSize < size) { |
| 351 | imageBufSize = size; |
| 352 | delete [] imageBuf; |
| 353 | imageBuf = new rdr::U8[imageBufSize]; |
| 354 | } |
| 355 | if (nPixels) |
| 356 | *nPixels = imageBufSize / (cp->pf().bpp / 8); |
| 357 | return imageBuf; |
| 358 | } |
| 359 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 360 | void SMsgWriter::startMsg(int type) |
| 361 | { |
| 362 | os->writeU8(type); |
| 363 | } |
| 364 | |
| 365 | void SMsgWriter::endMsg() |
| 366 | { |
| 367 | os->flush(); |
| 368 | } |
| 369 | |
| 370 | void SMsgWriter::writePseudoRects() |
| 371 | { |
| 372 | if (wsccb) { |
| 373 | wsccb->writeSetCursorCallback(); |
| 374 | wsccb = 0; |
| 375 | } |
| 376 | |
| 377 | if (needSetDesktopName) { |
Pierre Ossman | c0b1aa0 | 2014-01-16 13:39:05 +0100 | [diff] [blame] | 378 | writeSetDesktopNameRect(cp->name()); |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 379 | needSetDesktopName = false; |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | void SMsgWriter::writeNoDataRects() |
| 384 | { |
| 385 | // Start with specific ExtendedDesktopSize messages |
| 386 | if (!extendedDesktopSizeMsgs.empty()) { |
| 387 | std::list<ExtendedDesktopSizeMsg>::const_iterator ri; |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 388 | |
| 389 | for (ri = extendedDesktopSizeMsgs.begin();ri != extendedDesktopSizeMsgs.end();++ri) { |
Pierre Ossman | c0b1aa0 | 2014-01-16 13:39:05 +0100 | [diff] [blame] | 390 | writeExtendedDesktopSizeRect(ri->reason, ri->result, |
| 391 | ri->fb_width, ri->fb_height, ri->layout); |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 392 | } |
| 393 | |
| 394 | extendedDesktopSizeMsgs.clear(); |
| 395 | } |
| 396 | |
| 397 | // Send this before SetDesktopSize to make life easier on the clients |
| 398 | if (needExtendedDesktopSize) { |
Pierre Ossman | c0b1aa0 | 2014-01-16 13:39:05 +0100 | [diff] [blame] | 399 | writeExtendedDesktopSizeRect(0, 0, cp->width, cp->height, |
| 400 | cp->screenLayout); |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 401 | needExtendedDesktopSize = false; |
| 402 | } |
| 403 | |
| 404 | // Some clients assume this is the last rectangle so don't send anything |
| 405 | // more after this |
| 406 | if (needSetDesktopSize) { |
Pierre Ossman | c0b1aa0 | 2014-01-16 13:39:05 +0100 | [diff] [blame] | 407 | writeSetDesktopSizeRect(cp->width, cp->height); |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 408 | needSetDesktopSize = false; |
| 409 | } |
| 410 | } |
Pierre Ossman | c0b1aa0 | 2014-01-16 13:39:05 +0100 | [diff] [blame] | 411 | |
| 412 | void SMsgWriter::writeSetDesktopSizeRect(int width, int height) |
| 413 | { |
| 414 | if (!cp->supportsDesktopResize) |
| 415 | throw Exception("Client does not support desktop resize"); |
| 416 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 417 | throw Exception("SMsgWriter::writeSetDesktopSizeRect: nRects out of sync"); |
| 418 | |
| 419 | os->writeS16(0); |
| 420 | os->writeS16(0); |
| 421 | os->writeU16(width); |
| 422 | os->writeU16(height); |
| 423 | os->writeU32(pseudoEncodingDesktopSize); |
| 424 | } |
| 425 | |
| 426 | void SMsgWriter::writeExtendedDesktopSizeRect(rdr::U16 reason, |
| 427 | rdr::U16 result, |
| 428 | int fb_width, |
| 429 | int fb_height, |
| 430 | const ScreenSet& layout) |
| 431 | { |
| 432 | ScreenSet::const_iterator si; |
| 433 | |
| 434 | if (!cp->supportsExtendedDesktopSize) |
| 435 | throw Exception("Client does not support extended desktop resize"); |
| 436 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 437 | throw Exception("SMsgWriter::writeExtendedDesktopSizeRect: nRects out of sync"); |
| 438 | |
| 439 | os->writeU16(reason); |
| 440 | os->writeU16(result); |
| 441 | os->writeU16(fb_width); |
| 442 | os->writeU16(fb_height); |
| 443 | os->writeU32(pseudoEncodingExtendedDesktopSize); |
| 444 | |
| 445 | os->writeU8(layout.num_screens()); |
| 446 | os->pad(3); |
| 447 | |
| 448 | for (si = layout.begin();si != layout.end();++si) { |
| 449 | os->writeU32(si->id); |
| 450 | os->writeU16(si->dimensions.tl.x); |
| 451 | os->writeU16(si->dimensions.tl.y); |
| 452 | os->writeU16(si->dimensions.width()); |
| 453 | os->writeU16(si->dimensions.height()); |
| 454 | os->writeU32(si->flags); |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | void SMsgWriter::writeSetDesktopNameRect(const char *name) |
| 459 | { |
| 460 | if (!cp->supportsDesktopRename) |
| 461 | throw Exception("Client does not support desktop rename"); |
| 462 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 463 | throw Exception("SMsgWriter::writeSetDesktopNameRect: nRects out of sync"); |
| 464 | |
| 465 | os->writeS16(0); |
| 466 | os->writeS16(0); |
| 467 | os->writeU16(0); |
| 468 | os->writeU16(0); |
| 469 | os->writeU32(pseudoEncodingDesktopName); |
| 470 | os->writeString(name); |
| 471 | } |