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> |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 21 | #include <rdr/OutStream.h> |
| 22 | #include <rfb/msgTypes.h> |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 23 | #include <rfb/fenceTypes.h> |
| 24 | #include <rfb/Exception.h> |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 25 | #include <rfb/ConnParams.h> |
| 26 | #include <rfb/UpdateTracker.h> |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 27 | #include <rfb/Encoder.h> |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 28 | #include <rfb/SMsgWriter.h> |
| 29 | #include <rfb/LogWriter.h> |
| 30 | |
| 31 | using namespace rfb; |
| 32 | |
| 33 | static LogWriter vlog("SMsgWriter"); |
| 34 | |
| 35 | SMsgWriter::SMsgWriter(ConnParams* cp_, rdr::OutStream* os_) |
Pierre Ossman | 20dd2a9 | 2015-02-11 17:43:15 +0100 | [diff] [blame] | 36 | : cp(cp_), os(os_), |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 37 | nRectsInUpdate(0), nRectsInHeader(0), |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 38 | needSetDesktopSize(false), needExtendedDesktopSize(false), |
Pierre Ossman | 20dd2a9 | 2015-02-11 17:43:15 +0100 | [diff] [blame] | 39 | needSetDesktopName(false), needSetCursor(false), needSetXCursor(false) |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 40 | { |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 41 | } |
| 42 | |
| 43 | SMsgWriter::~SMsgWriter() |
| 44 | { |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 45 | } |
| 46 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 47 | void SMsgWriter::writeServerInit() |
| 48 | { |
| 49 | os->writeU16(cp->width); |
| 50 | os->writeU16(cp->height); |
| 51 | cp->pf().write(os); |
| 52 | os->writeString(cp->name()); |
| 53 | endMsg(); |
| 54 | } |
| 55 | |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 56 | void SMsgWriter::writeSetColourMapEntries(int firstColour, int nColours, |
Pierre Ossman | b6b4dc6 | 2014-01-20 15:05:21 +0100 | [diff] [blame] | 57 | const rdr::U16 red[], |
| 58 | const rdr::U16 green[], |
| 59 | const rdr::U16 blue[]) |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 60 | { |
| 61 | startMsg(msgTypeSetColourMapEntries); |
| 62 | os->pad(1); |
| 63 | os->writeU16(firstColour); |
| 64 | os->writeU16(nColours); |
| 65 | for (int i = firstColour; i < firstColour+nColours; i++) { |
Pierre Ossman | b6b4dc6 | 2014-01-20 15:05:21 +0100 | [diff] [blame] | 66 | os->writeU16(red[i]); |
| 67 | os->writeU16(green[i]); |
| 68 | os->writeU16(blue[i]); |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 69 | } |
| 70 | endMsg(); |
| 71 | } |
| 72 | |
| 73 | void SMsgWriter::writeBell() |
| 74 | { |
| 75 | startMsg(msgTypeBell); |
| 76 | endMsg(); |
| 77 | } |
| 78 | |
| 79 | void SMsgWriter::writeServerCutText(const char* str, int len) |
| 80 | { |
| 81 | startMsg(msgTypeServerCutText); |
| 82 | os->pad(3); |
| 83 | os->writeU32(len); |
| 84 | os->writeBytes(str, len); |
| 85 | endMsg(); |
| 86 | } |
| 87 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 88 | void SMsgWriter::writeFence(rdr::U32 flags, unsigned len, const char data[]) |
| 89 | { |
| 90 | if (!cp->supportsFence) |
| 91 | throw Exception("Client does not support fences"); |
| 92 | if (len > 64) |
| 93 | throw Exception("Too large fence payload"); |
| 94 | if ((flags & ~fenceFlagsSupported) != 0) |
| 95 | throw Exception("Unknown fence flags"); |
| 96 | |
| 97 | startMsg(msgTypeServerFence); |
| 98 | os->pad(3); |
| 99 | |
| 100 | os->writeU32(flags); |
| 101 | |
| 102 | os->writeU8(len); |
| 103 | os->writeBytes(data, len); |
| 104 | |
| 105 | endMsg(); |
| 106 | } |
| 107 | |
| 108 | void SMsgWriter::writeEndOfContinuousUpdates() |
| 109 | { |
| 110 | if (!cp->supportsContinuousUpdates) |
| 111 | throw Exception("Client does not support continuous updates"); |
| 112 | |
| 113 | startMsg(msgTypeEndOfContinuousUpdates); |
| 114 | endMsg(); |
| 115 | } |
| 116 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 117 | bool SMsgWriter::writeSetDesktopSize() { |
| 118 | if (!cp->supportsDesktopResize) |
| 119 | return false; |
| 120 | |
| 121 | needSetDesktopSize = true; |
| 122 | |
| 123 | return true; |
| 124 | } |
| 125 | |
| 126 | bool SMsgWriter::writeExtendedDesktopSize() { |
| 127 | if (!cp->supportsExtendedDesktopSize) |
| 128 | return false; |
| 129 | |
| 130 | needExtendedDesktopSize = true; |
| 131 | |
| 132 | return true; |
| 133 | } |
| 134 | |
| 135 | bool SMsgWriter::writeExtendedDesktopSize(rdr::U16 reason, rdr::U16 result, |
| 136 | int fb_width, int fb_height, |
| 137 | const ScreenSet& layout) { |
| 138 | ExtendedDesktopSizeMsg msg; |
| 139 | |
| 140 | if (!cp->supportsExtendedDesktopSize) |
| 141 | return false; |
| 142 | |
| 143 | msg.reason = reason; |
| 144 | msg.result = result; |
| 145 | msg.fb_width = fb_width; |
| 146 | msg.fb_height = fb_height; |
| 147 | msg.layout = layout; |
| 148 | |
| 149 | extendedDesktopSizeMsgs.push_back(msg); |
| 150 | |
| 151 | return true; |
| 152 | } |
| 153 | |
| 154 | bool SMsgWriter::writeSetDesktopName() { |
| 155 | if (!cp->supportsDesktopRename) |
| 156 | return false; |
| 157 | |
| 158 | needSetDesktopName = true; |
| 159 | |
| 160 | return true; |
| 161 | } |
| 162 | |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 163 | bool SMsgWriter::writeSetCursor() |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 164 | { |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 165 | if (!cp->supportsLocalCursor) |
| 166 | return false; |
| 167 | |
| 168 | needSetCursor = true; |
| 169 | |
| 170 | return true; |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 171 | } |
| 172 | |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 173 | bool SMsgWriter::writeSetXCursor() |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 174 | { |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 175 | if (!cp->supportsLocalXCursor) |
| 176 | return false; |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 177 | |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 178 | needSetXCursor = true; |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 179 | |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 180 | return true; |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 181 | } |
| 182 | |
Pierre Ossman | e9962f7 | 2009-04-23 12:31:42 +0000 | [diff] [blame] | 183 | bool SMsgWriter::needFakeUpdate() |
| 184 | { |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 185 | if (needSetDesktopName) |
| 186 | return true; |
| 187 | if (needSetCursor || needSetXCursor) |
| 188 | return true; |
| 189 | if (needNoDataUpdate()) |
| 190 | return true; |
| 191 | |
| 192 | return false; |
Pierre Ossman | e9962f7 | 2009-04-23 12:31:42 +0000 | [diff] [blame] | 193 | } |
| 194 | |
Pierre Ossman | e9962f7 | 2009-04-23 12:31:42 +0000 | [diff] [blame] | 195 | bool SMsgWriter::needNoDataUpdate() |
| 196 | { |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 197 | if (needSetDesktopSize) |
| 198 | return true; |
| 199 | if (needExtendedDesktopSize || !extendedDesktopSizeMsgs.empty()) |
| 200 | return true; |
| 201 | |
| 202 | return false; |
Pierre Ossman | e9962f7 | 2009-04-23 12:31:42 +0000 | [diff] [blame] | 203 | } |
| 204 | |
| 205 | void SMsgWriter::writeNoDataUpdate() |
| 206 | { |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 207 | int nRects; |
| 208 | |
| 209 | nRects = 0; |
| 210 | |
| 211 | if (needSetDesktopSize) |
| 212 | nRects++; |
| 213 | if (needExtendedDesktopSize) |
| 214 | nRects++; |
| 215 | if (!extendedDesktopSizeMsgs.empty()) |
| 216 | nRects += extendedDesktopSizeMsgs.size(); |
| 217 | |
| 218 | writeFramebufferUpdateStart(nRects); |
| 219 | writeNoDataRects(); |
| 220 | writeFramebufferUpdateEnd(); |
Pierre Ossman | e9962f7 | 2009-04-23 12:31:42 +0000 | [diff] [blame] | 221 | } |
| 222 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 223 | void SMsgWriter::writeFramebufferUpdateStart(int nRects) |
| 224 | { |
| 225 | startMsg(msgTypeFramebufferUpdate); |
| 226 | os->pad(1); |
| 227 | |
| 228 | if (nRects != 0xFFFF) { |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 229 | if (needSetDesktopName) |
| 230 | nRects++; |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 231 | if (needSetCursor) |
| 232 | nRects++; |
| 233 | if (needSetXCursor) |
| 234 | nRects++; |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 235 | } |
| 236 | |
| 237 | os->writeU16(nRects); |
| 238 | |
| 239 | nRectsInUpdate = 0; |
| 240 | if (nRects == 0xFFFF) |
| 241 | nRectsInHeader = 0; |
| 242 | else |
| 243 | nRectsInHeader = nRects; |
| 244 | |
| 245 | writePseudoRects(); |
| 246 | } |
| 247 | |
| 248 | void SMsgWriter::writeFramebufferUpdateEnd() |
| 249 | { |
| 250 | if (nRectsInUpdate != nRectsInHeader && nRectsInHeader) |
| 251 | throw Exception("SMsgWriter::writeFramebufferUpdateEnd: " |
| 252 | "nRects out of sync"); |
| 253 | |
| 254 | if (nRectsInHeader == 0) { |
| 255 | // Send last rect. marker |
| 256 | os->writeS16(0); |
| 257 | os->writeS16(0); |
| 258 | os->writeU16(0); |
| 259 | os->writeU16(0); |
| 260 | os->writeU32(pseudoEncodingLastRect); |
| 261 | } |
| 262 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 263 | endMsg(); |
| 264 | } |
| 265 | |
Constantin Kaplinsky | a2adc8d | 2006-05-25 05:01:55 +0000 | [diff] [blame] | 266 | void SMsgWriter::writeCopyRect(const Rect& r, int srcX, int srcY) |
| 267 | { |
| 268 | startRect(r,encodingCopyRect); |
| 269 | os->writeU16(srcX); |
| 270 | os->writeU16(srcY); |
| 271 | endRect(); |
| 272 | } |
| 273 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 274 | void SMsgWriter::startRect(const Rect& r, int encoding) |
| 275 | { |
| 276 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 277 | throw Exception("SMsgWriter::startRect: nRects out of sync"); |
| 278 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 279 | os->writeS16(r.tl.x); |
| 280 | os->writeS16(r.tl.y); |
| 281 | os->writeU16(r.width()); |
| 282 | os->writeU16(r.height()); |
| 283 | os->writeU32(encoding); |
| 284 | } |
| 285 | |
| 286 | void SMsgWriter::endRect() |
| 287 | { |
Pierre Ossman | 3529468 | 2016-04-29 14:27:08 +0200 | [diff] [blame] | 288 | os->flush(); |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 289 | } |
| 290 | |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 291 | void SMsgWriter::startMsg(int type) |
| 292 | { |
| 293 | os->writeU8(type); |
| 294 | } |
| 295 | |
| 296 | void SMsgWriter::endMsg() |
| 297 | { |
| 298 | os->flush(); |
| 299 | } |
| 300 | |
| 301 | void SMsgWriter::writePseudoRects() |
| 302 | { |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 303 | if (needSetCursor) { |
| 304 | rdr::U8* data; |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 305 | |
| 306 | const Cursor& cursor = cp->cursor(); |
| 307 | |
| 308 | data = new rdr::U8[cursor.area() * cp->pf().bpp/8]; |
| 309 | cursor.getImage(cp->pf(), data, cursor.getRect()); |
| 310 | |
| 311 | writeSetCursorRect(cursor.width(), cursor.height(), |
| 312 | cursor.hotspot.x, cursor.hotspot.y, |
| 313 | data, cursor.mask.buf); |
| 314 | needSetCursor = false; |
| 315 | |
| 316 | delete [] data; |
| 317 | } |
| 318 | |
| 319 | if (needSetXCursor) { |
| 320 | const Cursor& cursor = cp->cursor(); |
| 321 | Pixel pix0, pix1; |
| 322 | rdr::U8 rgb0[3], rgb1[3]; |
| 323 | rdr::U8Array bitmap(cursor.getBitmap(&pix0, &pix1)); |
| 324 | |
| 325 | if (!bitmap.buf) { |
| 326 | // FIXME: We could reduce to two colors. |
| 327 | throw Exception("SMsgWriter::writePseudoRects: Unable to send multicolor cursor: RichCursor not supported by client"); |
| 328 | } |
| 329 | |
| 330 | cp->pf().rgbFromPixel(pix0, &rgb0[0], &rgb0[1], &rgb0[2]); |
| 331 | cp->pf().rgbFromPixel(pix1, &rgb1[0], &rgb1[1], &rgb1[2]); |
| 332 | |
| 333 | writeSetXCursorRect(cursor.width(), cursor.height(), |
| 334 | cursor.hotspot.x, cursor.hotspot.y, |
| 335 | rgb0, rgb1, bitmap.buf, cursor.mask.buf); |
| 336 | needSetXCursor = false; |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | if (needSetDesktopName) { |
Pierre Ossman | c0b1aa0 | 2014-01-16 13:39:05 +0100 | [diff] [blame] | 340 | writeSetDesktopNameRect(cp->name()); |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 341 | needSetDesktopName = false; |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | void SMsgWriter::writeNoDataRects() |
| 346 | { |
| 347 | // Start with specific ExtendedDesktopSize messages |
| 348 | if (!extendedDesktopSizeMsgs.empty()) { |
| 349 | std::list<ExtendedDesktopSizeMsg>::const_iterator ri; |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 350 | |
| 351 | for (ri = extendedDesktopSizeMsgs.begin();ri != extendedDesktopSizeMsgs.end();++ri) { |
Pierre Ossman | c0b1aa0 | 2014-01-16 13:39:05 +0100 | [diff] [blame] | 352 | writeExtendedDesktopSizeRect(ri->reason, ri->result, |
| 353 | ri->fb_width, ri->fb_height, ri->layout); |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 354 | } |
| 355 | |
| 356 | extendedDesktopSizeMsgs.clear(); |
| 357 | } |
| 358 | |
| 359 | // Send this before SetDesktopSize to make life easier on the clients |
| 360 | if (needExtendedDesktopSize) { |
Pierre Ossman | c0b1aa0 | 2014-01-16 13:39:05 +0100 | [diff] [blame] | 361 | writeExtendedDesktopSizeRect(0, 0, cp->width, cp->height, |
| 362 | cp->screenLayout); |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 363 | needExtendedDesktopSize = false; |
| 364 | } |
| 365 | |
| 366 | // Some clients assume this is the last rectangle so don't send anything |
| 367 | // more after this |
| 368 | if (needSetDesktopSize) { |
Pierre Ossman | c0b1aa0 | 2014-01-16 13:39:05 +0100 | [diff] [blame] | 369 | writeSetDesktopSizeRect(cp->width, cp->height); |
Pierre Ossman | 7638e9c | 2014-01-16 13:12:40 +0100 | [diff] [blame] | 370 | needSetDesktopSize = false; |
| 371 | } |
| 372 | } |
Pierre Ossman | c0b1aa0 | 2014-01-16 13:39:05 +0100 | [diff] [blame] | 373 | |
| 374 | void SMsgWriter::writeSetDesktopSizeRect(int width, int height) |
| 375 | { |
| 376 | if (!cp->supportsDesktopResize) |
| 377 | throw Exception("Client does not support desktop resize"); |
| 378 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 379 | throw Exception("SMsgWriter::writeSetDesktopSizeRect: nRects out of sync"); |
| 380 | |
| 381 | os->writeS16(0); |
| 382 | os->writeS16(0); |
| 383 | os->writeU16(width); |
| 384 | os->writeU16(height); |
| 385 | os->writeU32(pseudoEncodingDesktopSize); |
| 386 | } |
| 387 | |
| 388 | void SMsgWriter::writeExtendedDesktopSizeRect(rdr::U16 reason, |
| 389 | rdr::U16 result, |
| 390 | int fb_width, |
| 391 | int fb_height, |
| 392 | const ScreenSet& layout) |
| 393 | { |
| 394 | ScreenSet::const_iterator si; |
| 395 | |
| 396 | if (!cp->supportsExtendedDesktopSize) |
| 397 | throw Exception("Client does not support extended desktop resize"); |
| 398 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 399 | throw Exception("SMsgWriter::writeExtendedDesktopSizeRect: nRects out of sync"); |
| 400 | |
| 401 | os->writeU16(reason); |
| 402 | os->writeU16(result); |
| 403 | os->writeU16(fb_width); |
| 404 | os->writeU16(fb_height); |
| 405 | os->writeU32(pseudoEncodingExtendedDesktopSize); |
| 406 | |
| 407 | os->writeU8(layout.num_screens()); |
| 408 | os->pad(3); |
| 409 | |
| 410 | for (si = layout.begin();si != layout.end();++si) { |
| 411 | os->writeU32(si->id); |
| 412 | os->writeU16(si->dimensions.tl.x); |
| 413 | os->writeU16(si->dimensions.tl.y); |
| 414 | os->writeU16(si->dimensions.width()); |
| 415 | os->writeU16(si->dimensions.height()); |
| 416 | os->writeU32(si->flags); |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | void SMsgWriter::writeSetDesktopNameRect(const char *name) |
| 421 | { |
| 422 | if (!cp->supportsDesktopRename) |
| 423 | throw Exception("Client does not support desktop rename"); |
| 424 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 425 | throw Exception("SMsgWriter::writeSetDesktopNameRect: nRects out of sync"); |
| 426 | |
| 427 | os->writeS16(0); |
| 428 | os->writeS16(0); |
| 429 | os->writeU16(0); |
| 430 | os->writeU16(0); |
| 431 | os->writeU32(pseudoEncodingDesktopName); |
| 432 | os->writeString(name); |
| 433 | } |
Pierre Ossman | 126e564 | 2014-02-13 14:40:25 +0100 | [diff] [blame] | 434 | |
| 435 | void SMsgWriter::writeSetCursorRect(int width, int height, |
| 436 | int hotspotX, int hotspotY, |
| 437 | const void* data, const void* mask) |
| 438 | { |
| 439 | if (!cp->supportsLocalCursor) |
| 440 | throw Exception("Client does not support local cursors"); |
| 441 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 442 | throw Exception("SMsgWriter::writeSetCursorRect: nRects out of sync"); |
| 443 | |
| 444 | os->writeS16(hotspotX); |
| 445 | os->writeS16(hotspotY); |
| 446 | os->writeU16(width); |
| 447 | os->writeU16(height); |
| 448 | os->writeU32(pseudoEncodingCursor); |
| 449 | os->writeBytes(data, width * height * (cp->pf().bpp/8)); |
| 450 | os->writeBytes(mask, (width+7)/8 * height); |
| 451 | } |
| 452 | |
| 453 | void SMsgWriter::writeSetXCursorRect(int width, int height, |
| 454 | int hotspotX, int hotspotY, |
| 455 | const rdr::U8 pix0[], |
| 456 | const rdr::U8 pix1[], |
| 457 | const void* data, const void* mask) |
| 458 | { |
| 459 | if (!cp->supportsLocalXCursor) |
| 460 | throw Exception("Client does not support local cursors"); |
| 461 | if (++nRectsInUpdate > nRectsInHeader && nRectsInHeader) |
| 462 | throw Exception("SMsgWriter::writeSetXCursorRect: nRects out of sync"); |
| 463 | |
| 464 | os->writeS16(hotspotX); |
| 465 | os->writeS16(hotspotY); |
| 466 | os->writeU16(width); |
| 467 | os->writeU16(height); |
| 468 | os->writeU32(pseudoEncodingXCursor); |
| 469 | if (width * height) { |
| 470 | os->writeU8(pix0[0]); |
| 471 | os->writeU8(pix0[1]); |
| 472 | os->writeU8(pix0[2]); |
| 473 | os->writeU8(pix1[0]); |
| 474 | os->writeU8(pix1[1]); |
| 475 | os->writeU8(pix1[2]); |
| 476 | os->writeBytes(data, (width+7)/8 * height); |
| 477 | os->writeBytes(mask, (width+7)/8 * height); |
| 478 | } |
| 479 | } |