| 1 | /* |
| 2 | *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. |
| 3 | *Copyright (C) Colin Harrison 2005-2009 |
| 4 | * |
| 5 | *Permission is hereby granted, free of charge, to any person obtaining |
| 6 | * a copy of this software and associated documentation files (the |
| 7 | *"Software"), to deal in the Software without restriction, including |
| 8 | *without limitation the rights to use, copy, modify, merge, publish, |
| 9 | *distribute, sublicense, and/or sell copies of the Software, and to |
| 10 | *permit persons to whom the Software is furnished to do so, subject to |
| 11 | *the following conditions: |
| 12 | * |
| 13 | *The above copyright notice and this permission notice shall be |
| 14 | *included in all copies or substantial portions of the Software. |
| 15 | * |
| 16 | *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 17 | *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 18 | *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 19 | *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR |
| 20 | *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
| 21 | *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 22 | *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | *Except as contained in this notice, the name of the XFree86 Project |
| 25 | *shall not be used in advertising or otherwise to promote the sale, use |
| 26 | *or other dealings in this Software without prior written authorization |
| 27 | *from the XFree86 Project. |
| 28 | * |
| 29 | * Authors: Kensuke Matsuzaki |
| 30 | * Colin Harrison |
| 31 | */ |
| 32 | |
| 33 | /* X headers */ |
| 34 | #ifdef HAVE_XWIN_CONFIG_H |
| 35 | #include <xwin-config.h> |
| 36 | #endif |
| 37 | #include <stdio.h> |
| 38 | #include <stdlib.h> |
| 39 | #include <unistd.h> |
| 40 | #ifdef __CYGWIN__ |
| 41 | #include <sys/select.h> |
| 42 | #endif |
| 43 | #include <fcntl.h> |
| 44 | #include <setjmp.h> |
| 45 | #define HANDLE void * |
| 46 | #include <pthread.h> |
| 47 | #undef HANDLE |
| 48 | #include <X11/X.h> |
| 49 | #include <X11/Xatom.h> |
| 50 | #include <X11/Xlib.h> |
| 51 | #include <X11/Xlocale.h> |
| 52 | #include <X11/Xproto.h> |
| 53 | #include <X11/Xutil.h> |
| 54 | #include <X11/cursorfont.h> |
| 55 | #include <X11/Xwindows.h> |
| 56 | |
| 57 | /* Local headers */ |
| 58 | #include "winwindow.h" |
| 59 | #include "winprefs.h" |
| 60 | #include "window.h" |
| 61 | #include "pixmapstr.h" |
| 62 | #include "windowstr.h" |
| 63 | |
| 64 | #ifdef XWIN_MULTIWINDOWEXTWM |
| 65 | #include <X11/extensions/windowswmstr.h> |
| 66 | #else |
| 67 | /* We need the native HWND atom for intWM, so for consistency use the |
| 68 | same name as extWM would if we were building with enabled... */ |
| 69 | #define WINDOWSWM_NATIVE_HWND "_WINDOWSWM_NATIVE_HWND" |
| 70 | #endif |
| 71 | |
| 72 | extern void winDebug(const char *format, ...); |
| 73 | extern void winReshapeMultiWindow(WindowPtr pWin); |
| 74 | extern void winUpdateRgnMultiWindow(WindowPtr pWin); |
| 75 | |
| 76 | #ifndef CYGDEBUG |
| 77 | #define CYGDEBUG NO |
| 78 | #endif |
| 79 | |
| 80 | /* |
| 81 | * Constant defines |
| 82 | */ |
| 83 | |
| 84 | #define WIN_CONNECT_RETRIES 5 |
| 85 | #define WIN_CONNECT_DELAY 5 |
| 86 | #ifdef HAS_DEVWINDOWS |
| 87 | #define WIN_MSG_QUEUE_FNAME "/dev/windows" |
| 88 | #endif |
| 89 | #define WIN_JMP_OKAY 0 |
| 90 | #define WIN_JMP_ERROR_IO 2 |
| 91 | |
| 92 | /* |
| 93 | * Local structures |
| 94 | */ |
| 95 | |
| 96 | typedef struct _WMMsgNodeRec { |
| 97 | winWMMessageRec msg; |
| 98 | struct _WMMsgNodeRec *pNext; |
| 99 | } WMMsgNodeRec, *WMMsgNodePtr; |
| 100 | |
| 101 | typedef struct _WMMsgQueueRec { |
| 102 | struct _WMMsgNodeRec *pHead; |
| 103 | struct _WMMsgNodeRec *pTail; |
| 104 | pthread_mutex_t pmMutex; |
| 105 | pthread_cond_t pcNotEmpty; |
| 106 | int nQueueSize; |
| 107 | } WMMsgQueueRec, *WMMsgQueuePtr; |
| 108 | |
| 109 | typedef struct _WMInfo { |
| 110 | Display *pDisplay; |
| 111 | WMMsgQueueRec wmMsgQueue; |
| 112 | Atom atmWmProtos; |
| 113 | Atom atmWmDelete; |
| 114 | Atom atmPrivMap; |
| 115 | Bool fAllowOtherWM; |
| 116 | } WMInfoRec, *WMInfoPtr; |
| 117 | |
| 118 | typedef struct _WMProcArgRec { |
| 119 | DWORD dwScreen; |
| 120 | WMInfoPtr pWMInfo; |
| 121 | pthread_mutex_t *ppmServerStarted; |
| 122 | } WMProcArgRec, *WMProcArgPtr; |
| 123 | |
| 124 | typedef struct _XMsgProcArgRec { |
| 125 | Display *pDisplay; |
| 126 | DWORD dwScreen; |
| 127 | WMInfoPtr pWMInfo; |
| 128 | pthread_mutex_t *ppmServerStarted; |
| 129 | HWND hwndScreen; |
| 130 | } XMsgProcArgRec, *XMsgProcArgPtr; |
| 131 | |
| 132 | /* |
| 133 | * Prototypes for local functions |
| 134 | */ |
| 135 | |
| 136 | static void |
| 137 | PushMessage(WMMsgQueuePtr pQueue, WMMsgNodePtr pNode); |
| 138 | |
| 139 | static WMMsgNodePtr PopMessage(WMMsgQueuePtr pQueue, WMInfoPtr pWMInfo); |
| 140 | |
| 141 | static Bool |
| 142 | InitQueue(WMMsgQueuePtr pQueue); |
| 143 | |
| 144 | static void |
| 145 | GetWindowName(Display * pDpy, Window iWin, char **ppWindowName); |
| 146 | |
| 147 | static int |
| 148 | SendXMessage(Display * pDisplay, Window iWin, Atom atmType, long nData); |
| 149 | |
| 150 | static void |
| 151 | UpdateName(WMInfoPtr pWMInfo, Window iWindow); |
| 152 | |
| 153 | static void *winMultiWindowWMProc(void *pArg); |
| 154 | |
| 155 | static int |
| 156 | winMultiWindowWMErrorHandler(Display * pDisplay, XErrorEvent * pErr); |
| 157 | |
| 158 | static int |
| 159 | winMultiWindowWMIOErrorHandler(Display * pDisplay); |
| 160 | |
| 161 | static void *winMultiWindowXMsgProc(void *pArg); |
| 162 | |
| 163 | static int |
| 164 | winMultiWindowXMsgProcErrorHandler(Display * pDisplay, XErrorEvent * pErr); |
| 165 | |
| 166 | static int |
| 167 | winMultiWindowXMsgProcIOErrorHandler(Display * pDisplay); |
| 168 | |
| 169 | static int |
| 170 | winRedirectErrorHandler(Display * pDisplay, XErrorEvent * pErr); |
| 171 | |
| 172 | static void |
| 173 | winInitMultiWindowWM(WMInfoPtr pWMInfo, WMProcArgPtr pProcArg); |
| 174 | |
| 175 | #if 0 |
| 176 | static void |
| 177 | PreserveWin32Stack(WMInfoPtr pWMInfo, Window iWindow, UINT direction); |
| 178 | #endif |
| 179 | |
| 180 | static Bool |
| 181 | |
| 182 | CheckAnotherWindowManager(Display * pDisplay, DWORD dwScreen, |
| 183 | Bool fAllowOtherWM); |
| 184 | |
| 185 | static void |
| 186 | winApplyHints(Display * pDisplay, Window iWindow, HWND hWnd, HWND * zstyle); |
| 187 | |
| 188 | void |
| 189 | winUpdateWindowPosition(HWND hWnd, HWND * zstyle); |
| 190 | |
| 191 | /* |
| 192 | * Local globals |
| 193 | */ |
| 194 | |
| 195 | static jmp_buf g_jmpWMEntry; |
| 196 | static XIOErrorHandler g_winMultiWindowWMOldIOErrorHandler; |
| 197 | static pthread_t g_winMultiWindowWMThread; |
| 198 | static jmp_buf g_jmpXMsgProcEntry; |
| 199 | static XIOErrorHandler g_winMultiWindowXMsgProcOldIOErrorHandler; |
| 200 | static pthread_t g_winMultiWindowXMsgProcThread; |
| 201 | static Bool g_shutdown = FALSE; |
| 202 | static Bool redirectError = FALSE; |
| 203 | static Bool g_fAnotherWMRunning = FALSE; |
| 204 | |
| 205 | /* |
| 206 | * PushMessage - Push a message onto the queue |
| 207 | */ |
| 208 | |
| 209 | static void |
| 210 | PushMessage(WMMsgQueuePtr pQueue, WMMsgNodePtr pNode) |
| 211 | { |
| 212 | |
| 213 | /* Lock the queue mutex */ |
| 214 | pthread_mutex_lock(&pQueue->pmMutex); |
| 215 | |
| 216 | pNode->pNext = NULL; |
| 217 | |
| 218 | if (pQueue->pTail != NULL) { |
| 219 | pQueue->pTail->pNext = pNode; |
| 220 | } |
| 221 | pQueue->pTail = pNode; |
| 222 | |
| 223 | if (pQueue->pHead == NULL) { |
| 224 | pQueue->pHead = pNode; |
| 225 | } |
| 226 | |
| 227 | #if 0 |
| 228 | switch (pNode->msg.msg) { |
| 229 | case WM_WM_MOVE: |
| 230 | ErrorF("\tWM_WM_MOVE\n"); |
| 231 | break; |
| 232 | case WM_WM_SIZE: |
| 233 | ErrorF("\tWM_WM_SIZE\n"); |
| 234 | break; |
| 235 | case WM_WM_RAISE: |
| 236 | ErrorF("\tWM_WM_RAISE\n"); |
| 237 | break; |
| 238 | case WM_WM_LOWER: |
| 239 | ErrorF("\tWM_WM_LOWER\n"); |
| 240 | break; |
| 241 | case WM_WM_MAP: |
| 242 | ErrorF("\tWM_WM_MAP\n"); |
| 243 | break; |
| 244 | case WM_WM_MAP2: |
| 245 | ErrorF("\tWM_WM_MAP2\n"); |
| 246 | break; |
| 247 | case WM_WM_MAP3: |
| 248 | ErrorF("\tWM_WM_MAP3\n"); |
| 249 | break; |
| 250 | case WM_WM_UNMAP: |
| 251 | ErrorF("\tWM_WM_UNMAP\n"); |
| 252 | break; |
| 253 | case WM_WM_KILL: |
| 254 | ErrorF("\tWM_WM_KILL\n"); |
| 255 | break; |
| 256 | case WM_WM_ACTIVATE: |
| 257 | ErrorF("\tWM_WM_ACTIVATE\n"); |
| 258 | break; |
| 259 | default: |
| 260 | ErrorF("\tUnknown Message.\n"); |
| 261 | break; |
| 262 | } |
| 263 | #endif |
| 264 | |
| 265 | /* Increase the count of elements in the queue by one */ |
| 266 | ++(pQueue->nQueueSize); |
| 267 | |
| 268 | /* Release the queue mutex */ |
| 269 | pthread_mutex_unlock(&pQueue->pmMutex); |
| 270 | |
| 271 | /* Signal that the queue is not empty */ |
| 272 | pthread_cond_signal(&pQueue->pcNotEmpty); |
| 273 | } |
| 274 | |
| 275 | #if CYGMULTIWINDOW_DEBUG |
| 276 | /* |
| 277 | * QueueSize - Return the size of the queue |
| 278 | */ |
| 279 | |
| 280 | static int |
| 281 | QueueSize(WMMsgQueuePtr pQueue) |
| 282 | { |
| 283 | WMMsgNodePtr pNode; |
| 284 | int nSize = 0; |
| 285 | |
| 286 | /* Loop through all elements in the queue */ |
| 287 | for (pNode = pQueue->pHead; pNode != NULL; pNode = pNode->pNext) |
| 288 | ++nSize; |
| 289 | |
| 290 | return nSize; |
| 291 | } |
| 292 | #endif |
| 293 | |
| 294 | /* |
| 295 | * PopMessage - Pop a message from the queue |
| 296 | */ |
| 297 | |
| 298 | static WMMsgNodePtr |
| 299 | PopMessage(WMMsgQueuePtr pQueue, WMInfoPtr pWMInfo) |
| 300 | { |
| 301 | WMMsgNodePtr pNode; |
| 302 | |
| 303 | /* Lock the queue mutex */ |
| 304 | pthread_mutex_lock(&pQueue->pmMutex); |
| 305 | |
| 306 | /* Wait for --- */ |
| 307 | while (pQueue->pHead == NULL) { |
| 308 | pthread_cond_wait(&pQueue->pcNotEmpty, &pQueue->pmMutex); |
| 309 | } |
| 310 | |
| 311 | pNode = pQueue->pHead; |
| 312 | if (pQueue->pHead != NULL) { |
| 313 | pQueue->pHead = pQueue->pHead->pNext; |
| 314 | } |
| 315 | |
| 316 | if (pQueue->pTail == pNode) { |
| 317 | pQueue->pTail = NULL; |
| 318 | } |
| 319 | |
| 320 | /* Drop the number of elements in the queue by one */ |
| 321 | --(pQueue->nQueueSize); |
| 322 | |
| 323 | #if CYGMULTIWINDOW_DEBUG |
| 324 | ErrorF("Queue Size %d %d\n", pQueue->nQueueSize, QueueSize(pQueue)); |
| 325 | #endif |
| 326 | |
| 327 | /* Release the queue mutex */ |
| 328 | pthread_mutex_unlock(&pQueue->pmMutex); |
| 329 | |
| 330 | return pNode; |
| 331 | } |
| 332 | |
| 333 | #if 0 |
| 334 | /* |
| 335 | * HaveMessage - |
| 336 | */ |
| 337 | |
| 338 | static Bool |
| 339 | HaveMessage(WMMsgQueuePtr pQueue, UINT msg, Window iWindow) |
| 340 | { |
| 341 | WMMsgNodePtr pNode; |
| 342 | |
| 343 | for (pNode = pQueue->pHead; pNode != NULL; pNode = pNode->pNext) { |
| 344 | if (pNode->msg.msg == msg && pNode->msg.iWindow == iWindow) |
| 345 | return True; |
| 346 | } |
| 347 | |
| 348 | return False; |
| 349 | } |
| 350 | #endif |
| 351 | |
| 352 | /* |
| 353 | * InitQueue - Initialize the Window Manager message queue |
| 354 | */ |
| 355 | |
| 356 | static |
| 357 | Bool |
| 358 | InitQueue(WMMsgQueuePtr pQueue) |
| 359 | { |
| 360 | /* Check if the pQueue pointer is NULL */ |
| 361 | if (pQueue == NULL) { |
| 362 | ErrorF("InitQueue - pQueue is NULL. Exiting.\n"); |
| 363 | return FALSE; |
| 364 | } |
| 365 | |
| 366 | /* Set the head and tail to NULL */ |
| 367 | pQueue->pHead = NULL; |
| 368 | pQueue->pTail = NULL; |
| 369 | |
| 370 | /* There are no elements initially */ |
| 371 | pQueue->nQueueSize = 0; |
| 372 | |
| 373 | #if CYGMULTIWINDOW_DEBUG |
| 374 | winDebug("InitQueue - Queue Size %d %d\n", pQueue->nQueueSize, |
| 375 | QueueSize(pQueue)); |
| 376 | #endif |
| 377 | |
| 378 | winDebug("InitQueue - Calling pthread_mutex_init\n"); |
| 379 | |
| 380 | /* Create synchronization objects */ |
| 381 | pthread_mutex_init(&pQueue->pmMutex, NULL); |
| 382 | |
| 383 | winDebug("InitQueue - pthread_mutex_init returned\n"); |
| 384 | winDebug("InitQueue - Calling pthread_cond_init\n"); |
| 385 | |
| 386 | pthread_cond_init(&pQueue->pcNotEmpty, NULL); |
| 387 | |
| 388 | winDebug("InitQueue - pthread_cond_init returned\n"); |
| 389 | |
| 390 | return TRUE; |
| 391 | } |
| 392 | |
| 393 | static |
| 394 | char * |
| 395 | Xutf8TextPropertyToString(Display * pDisplay, XTextProperty * xtp) |
| 396 | { |
| 397 | int nNum; |
| 398 | char **ppList; |
| 399 | char *pszReturnData; |
| 400 | |
| 401 | if (Xutf8TextPropertyToTextList(pDisplay, xtp, &ppList, &nNum) >= Success && |
| 402 | nNum > 0 && *ppList) { |
| 403 | int i; |
| 404 | int iLen = 0; |
| 405 | |
| 406 | for (i = 0; i < nNum; i++) |
| 407 | iLen += strlen(ppList[i]); |
| 408 | pszReturnData = (char *) malloc(iLen + 1); |
| 409 | pszReturnData[0] = '\0'; |
| 410 | for (i = 0; i < nNum; i++) |
| 411 | strcat(pszReturnData, ppList[i]); |
| 412 | if (ppList) |
| 413 | XFreeStringList(ppList); |
| 414 | } |
| 415 | else { |
| 416 | pszReturnData = (char *) malloc(1); |
| 417 | pszReturnData[0] = '\0'; |
| 418 | } |
| 419 | |
| 420 | return pszReturnData; |
| 421 | } |
| 422 | |
| 423 | /* |
| 424 | * GetWindowName - Retrieve the title of an X Window |
| 425 | */ |
| 426 | |
| 427 | static void |
| 428 | GetWindowName(Display * pDisplay, Window iWin, char **ppWindowName) |
| 429 | { |
| 430 | int nResult; |
| 431 | XTextProperty xtpWindowName; |
| 432 | char *pszWindowName; |
| 433 | |
| 434 | #if CYGMULTIWINDOW_DEBUG |
| 435 | ErrorF("GetWindowName\n"); |
| 436 | #endif |
| 437 | |
| 438 | /* Intialize ppWindowName to NULL */ |
| 439 | *ppWindowName = NULL; |
| 440 | |
| 441 | /* Try to get window name */ |
| 442 | nResult = XGetWMName(pDisplay, iWin, &xtpWindowName); |
| 443 | if (!nResult || !xtpWindowName.value || !xtpWindowName.nitems) { |
| 444 | #if CYGMULTIWINDOW_DEBUG |
| 445 | ErrorF("GetWindowName - XGetWMName failed. No name.\n"); |
| 446 | #endif |
| 447 | return; |
| 448 | } |
| 449 | |
| 450 | pszWindowName = Xutf8TextPropertyToString(pDisplay, &xtpWindowName); |
| 451 | XFree(xtpWindowName.value); |
| 452 | *ppWindowName = pszWindowName; |
| 453 | } |
| 454 | |
| 455 | /* |
| 456 | * Send a message to the X server from the WM thread |
| 457 | */ |
| 458 | |
| 459 | static int |
| 460 | SendXMessage(Display * pDisplay, Window iWin, Atom atmType, long nData) |
| 461 | { |
| 462 | XEvent e; |
| 463 | |
| 464 | /* Prepare the X event structure */ |
| 465 | e.type = ClientMessage; |
| 466 | e.xclient.window = iWin; |
| 467 | e.xclient.message_type = atmType; |
| 468 | e.xclient.format = 32; |
| 469 | e.xclient.data.l[0] = nData; |
| 470 | e.xclient.data.l[1] = CurrentTime; |
| 471 | |
| 472 | /* Send the event to X */ |
| 473 | return XSendEvent(pDisplay, iWin, False, NoEventMask, &e); |
| 474 | } |
| 475 | |
| 476 | /* |
| 477 | * See if we can get the stored HWND for this window... |
| 478 | */ |
| 479 | static HWND |
| 480 | getHwnd(WMInfoPtr pWMInfo, Window iWindow) |
| 481 | { |
| 482 | Atom atmType; |
| 483 | int fmtRet; |
| 484 | unsigned long items, remain; |
| 485 | HWND *retHwnd, hWnd = NULL; |
| 486 | |
| 487 | if (XGetWindowProperty(pWMInfo->pDisplay, |
| 488 | iWindow, |
| 489 | pWMInfo->atmPrivMap, |
| 490 | 0, |
| 491 | sizeof(HWND)/4, |
| 492 | False, |
| 493 | XA_INTEGER, |
| 494 | &atmType, |
| 495 | &fmtRet, |
| 496 | &items, |
| 497 | &remain, (unsigned char **) &retHwnd) == Success) { |
| 498 | if (retHwnd) { |
| 499 | hWnd = *retHwnd; |
| 500 | XFree(retHwnd); |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | /* Some sanity checks */ |
| 505 | if (!hWnd) |
| 506 | return NULL; |
| 507 | if (!IsWindow(hWnd)) |
| 508 | return NULL; |
| 509 | |
| 510 | return hWnd; |
| 511 | } |
| 512 | |
| 513 | /* |
| 514 | * Updates the name of a HWND according to its X WM_NAME property |
| 515 | */ |
| 516 | |
| 517 | static void |
| 518 | UpdateName(WMInfoPtr pWMInfo, Window iWindow) |
| 519 | { |
| 520 | HWND hWnd; |
| 521 | XWindowAttributes attr; |
| 522 | |
| 523 | hWnd = getHwnd(pWMInfo, iWindow); |
| 524 | if (!hWnd) |
| 525 | return; |
| 526 | |
| 527 | /* If window isn't override-redirect */ |
| 528 | XGetWindowAttributes(pWMInfo->pDisplay, iWindow, &attr); |
| 529 | if (!attr.override_redirect) { |
| 530 | char *pszWindowName; |
| 531 | |
| 532 | /* Get the X windows window name */ |
| 533 | GetWindowName(pWMInfo->pDisplay, iWindow, &pszWindowName); |
| 534 | |
| 535 | if (pszWindowName) { |
| 536 | /* Convert from UTF-8 to wide char */ |
| 537 | int iLen = |
| 538 | MultiByteToWideChar(CP_UTF8, 0, pszWindowName, -1, NULL, 0); |
| 539 | wchar_t *pwszWideWindowName = |
| 540 | (wchar_t *) malloc(sizeof(wchar_t) * (iLen + 1)); |
| 541 | MultiByteToWideChar(CP_UTF8, 0, pszWindowName, -1, |
| 542 | pwszWideWindowName, iLen); |
| 543 | |
| 544 | /* Set the Windows window name */ |
| 545 | SetWindowTextW(hWnd, pwszWideWindowName); |
| 546 | |
| 547 | free(pwszWideWindowName); |
| 548 | free(pszWindowName); |
| 549 | } |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | /* |
| 554 | * Updates the icon of a HWND according to its X icon properties |
| 555 | */ |
| 556 | |
| 557 | static void |
| 558 | UpdateIcon(WMInfoPtr pWMInfo, Window iWindow) |
| 559 | { |
| 560 | HWND hWnd; |
| 561 | HICON hIconNew = NULL; |
| 562 | XWindowAttributes attr; |
| 563 | |
| 564 | hWnd = getHwnd(pWMInfo, iWindow); |
| 565 | if (!hWnd) |
| 566 | return; |
| 567 | |
| 568 | /* If window isn't override-redirect */ |
| 569 | XGetWindowAttributes(pWMInfo->pDisplay, iWindow, &attr); |
| 570 | if (!attr.override_redirect) { |
| 571 | XClassHint class_hint = { 0, 0 }; |
| 572 | char *window_name = 0; |
| 573 | |
| 574 | if (XGetClassHint(pWMInfo->pDisplay, iWindow, &class_hint)) { |
| 575 | XFetchName(pWMInfo->pDisplay, iWindow, &window_name); |
| 576 | |
| 577 | hIconNew = |
| 578 | (HICON) winOverrideIcon(class_hint.res_name, |
| 579 | class_hint.res_class, window_name); |
| 580 | |
| 581 | if (class_hint.res_name) |
| 582 | XFree(class_hint.res_name); |
| 583 | if (class_hint.res_class) |
| 584 | XFree(class_hint.res_class); |
| 585 | if (window_name) |
| 586 | XFree(window_name); |
| 587 | } |
| 588 | } |
| 589 | |
| 590 | winUpdateIcon(hWnd, pWMInfo->pDisplay, iWindow, hIconNew); |
| 591 | } |
| 592 | |
| 593 | /* |
| 594 | * Updates the style of a HWND according to its X style properties |
| 595 | */ |
| 596 | |
| 597 | static void |
| 598 | UpdateStyle(WMInfoPtr pWMInfo, Window iWindow) |
| 599 | { |
| 600 | HWND hWnd; |
| 601 | HWND zstyle = HWND_NOTOPMOST; |
| 602 | UINT flags; |
| 603 | |
| 604 | hWnd = getHwnd(pWMInfo, iWindow); |
| 605 | if (!hWnd) |
| 606 | return; |
| 607 | |
| 608 | /* Determine the Window style, which determines borders and clipping region... */ |
| 609 | winApplyHints(pWMInfo->pDisplay, iWindow, hWnd, &zstyle); |
| 610 | winUpdateWindowPosition(hWnd, &zstyle); |
| 611 | |
| 612 | /* Apply the updated window style, without changing it's show or activation state */ |
| 613 | flags = SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE; |
| 614 | if (zstyle == HWND_NOTOPMOST) |
| 615 | flags |= SWP_NOZORDER | SWP_NOOWNERZORDER; |
| 616 | SetWindowPos(hWnd, NULL, 0, 0, 0, 0, flags); |
| 617 | |
| 618 | /* |
| 619 | Use the WS_EX_TOOLWINDOW style to remove window from Alt-Tab window switcher |
| 620 | |
| 621 | According to MSDN, this is supposed to remove the window from the taskbar as well, |
| 622 | if we SW_HIDE before changing the style followed by SW_SHOW afterwards. |
| 623 | |
| 624 | But that doesn't seem to work reliably, and causes the window to flicker, so use |
| 625 | the iTaskbarList interface to tell the taskbar to show or hide this window. |
| 626 | */ |
| 627 | winShowWindowOnTaskbar(hWnd, |
| 628 | (GetWindowLongPtr(hWnd, GWL_EXSTYLE) & |
| 629 | WS_EX_APPWINDOW) ? TRUE : FALSE); |
| 630 | } |
| 631 | |
| 632 | #if 0 |
| 633 | /* |
| 634 | * Fix up any differences between the X11 and Win32 window stacks |
| 635 | * starting at the window passed in |
| 636 | */ |
| 637 | static void |
| 638 | PreserveWin32Stack(WMInfoPtr pWMInfo, Window iWindow, UINT direction) |
| 639 | { |
| 640 | HWND hWnd; |
| 641 | DWORD myWinProcID, winProcID; |
| 642 | Window xWindow; |
| 643 | WINDOWPLACEMENT wndPlace; |
| 644 | |
| 645 | hWnd = getHwnd(pWMInfo, iWindow); |
| 646 | if (!hWnd) |
| 647 | return; |
| 648 | |
| 649 | GetWindowThreadProcessId(hWnd, &myWinProcID); |
| 650 | hWnd = GetNextWindow(hWnd, direction); |
| 651 | |
| 652 | while (hWnd) { |
| 653 | GetWindowThreadProcessId(hWnd, &winProcID); |
| 654 | if (winProcID == myWinProcID) { |
| 655 | wndPlace.length = sizeof(WINDOWPLACEMENT); |
| 656 | GetWindowPlacement(hWnd, &wndPlace); |
| 657 | if (!(wndPlace.showCmd == SW_HIDE || |
| 658 | wndPlace.showCmd == SW_MINIMIZE)) { |
| 659 | xWindow = (Window) GetProp(hWnd, WIN_WID_PROP); |
| 660 | if (xWindow) { |
| 661 | if (direction == GW_HWNDPREV) |
| 662 | XRaiseWindow(pWMInfo->pDisplay, xWindow); |
| 663 | else |
| 664 | XLowerWindow(pWMInfo->pDisplay, xWindow); |
| 665 | } |
| 666 | } |
| 667 | } |
| 668 | hWnd = GetNextWindow(hWnd, direction); |
| 669 | } |
| 670 | } |
| 671 | #endif /* PreserveWin32Stack */ |
| 672 | |
| 673 | /* |
| 674 | * winMultiWindowWMProc |
| 675 | */ |
| 676 | |
| 677 | static void * |
| 678 | winMultiWindowWMProc(void *pArg) |
| 679 | { |
| 680 | WMProcArgPtr pProcArg = (WMProcArgPtr) pArg; |
| 681 | WMInfoPtr pWMInfo = pProcArg->pWMInfo; |
| 682 | |
| 683 | /* Initialize the Window Manager */ |
| 684 | winInitMultiWindowWM(pWMInfo, pProcArg); |
| 685 | |
| 686 | #if CYGMULTIWINDOW_DEBUG |
| 687 | ErrorF("winMultiWindowWMProc ()\n"); |
| 688 | #endif |
| 689 | |
| 690 | /* Loop until we explicitly break out */ |
| 691 | for (;;) { |
| 692 | WMMsgNodePtr pNode; |
| 693 | |
| 694 | if (g_fAnotherWMRunning) { /* Another Window manager exists. */ |
| 695 | Sleep(1000); |
| 696 | continue; |
| 697 | } |
| 698 | |
| 699 | /* Pop a message off of our queue */ |
| 700 | pNode = PopMessage(&pWMInfo->wmMsgQueue, pWMInfo); |
| 701 | if (pNode == NULL) { |
| 702 | /* Bail if PopMessage returns without a message */ |
| 703 | /* NOTE: Remember that PopMessage is a blocking function. */ |
| 704 | ErrorF("winMultiWindowWMProc - Queue is Empty? Exiting.\n"); |
| 705 | pthread_exit(NULL); |
| 706 | } |
| 707 | |
| 708 | #if CYGMULTIWINDOW_DEBUG |
| 709 | ErrorF("winMultiWindowWMProc - %d ms MSG: %d ID: %d\n", |
| 710 | GetTickCount(), (int) pNode->msg.msg, (int) pNode->msg.dwID); |
| 711 | #endif |
| 712 | |
| 713 | /* Branch on the message type */ |
| 714 | switch (pNode->msg.msg) { |
| 715 | #if 0 |
| 716 | case WM_WM_MOVE: |
| 717 | ErrorF("\tWM_WM_MOVE\n"); |
| 718 | break; |
| 719 | |
| 720 | case WM_WM_SIZE: |
| 721 | ErrorF("\tWM_WM_SIZE\n"); |
| 722 | break; |
| 723 | #endif |
| 724 | |
| 725 | case WM_WM_RAISE: |
| 726 | #if CYGMULTIWINDOW_DEBUG |
| 727 | ErrorF("\tWM_WM_RAISE\n"); |
| 728 | #endif |
| 729 | /* Raise the window */ |
| 730 | XRaiseWindow(pWMInfo->pDisplay, pNode->msg.iWindow); |
| 731 | #if 0 |
| 732 | PreserveWin32Stack(pWMInfo, pNode->msg.iWindow, GW_HWNDPREV); |
| 733 | #endif |
| 734 | break; |
| 735 | |
| 736 | case WM_WM_LOWER: |
| 737 | #if CYGMULTIWINDOW_DEBUG |
| 738 | ErrorF("\tWM_WM_LOWER\n"); |
| 739 | #endif |
| 740 | |
| 741 | /* Lower the window */ |
| 742 | XLowerWindow(pWMInfo->pDisplay, pNode->msg.iWindow); |
| 743 | break; |
| 744 | |
| 745 | case WM_WM_MAP: |
| 746 | #if CYGMULTIWINDOW_DEBUG |
| 747 | ErrorF("\tWM_WM_MAP\n"); |
| 748 | #endif |
| 749 | /* Put a note as to the HWND associated with this Window */ |
| 750 | XChangeProperty(pWMInfo->pDisplay, pNode->msg.iWindow, pWMInfo->atmPrivMap, XA_INTEGER, |
| 751 | 32, |
| 752 | PropModeReplace, |
| 753 | (unsigned char *) &(pNode->msg.hwndWindow), sizeof(HWND)/4); |
| 754 | UpdateName(pWMInfo, pNode->msg.iWindow); |
| 755 | UpdateIcon(pWMInfo, pNode->msg.iWindow); |
| 756 | break; |
| 757 | |
| 758 | case WM_WM_MAP2: |
| 759 | #if CYGMULTIWINDOW_DEBUG |
| 760 | ErrorF("\tWM_WM_MAP2\n"); |
| 761 | #endif |
| 762 | XChangeProperty(pWMInfo->pDisplay, pNode->msg.iWindow, pWMInfo->atmPrivMap, XA_INTEGER, |
| 763 | 32, |
| 764 | PropModeReplace, |
| 765 | (unsigned char *) &(pNode->msg.hwndWindow), sizeof(HWND)/4); |
| 766 | break; |
| 767 | |
| 768 | case WM_WM_MAP3: |
| 769 | #if CYGMULTIWINDOW_DEBUG |
| 770 | ErrorF("\tWM_WM_MAP3\n"); |
| 771 | #endif |
| 772 | /* Put a note as to the HWND associated with this Window */ |
| 773 | XChangeProperty(pWMInfo->pDisplay, pNode->msg.iWindow, pWMInfo->atmPrivMap, XA_INTEGER, |
| 774 | 32, |
| 775 | PropModeReplace, |
| 776 | (unsigned char *) &(pNode->msg.hwndWindow), sizeof(HWND)/4); |
| 777 | UpdateName(pWMInfo, pNode->msg.iWindow); |
| 778 | UpdateIcon(pWMInfo, pNode->msg.iWindow); |
| 779 | UpdateStyle(pWMInfo, pNode->msg.iWindow); |
| 780 | |
| 781 | |
| 782 | /* Reshape */ |
| 783 | { |
| 784 | WindowPtr pWin = |
| 785 | GetProp(pNode->msg.hwndWindow, WIN_WINDOW_PROP); |
| 786 | if (pWin) { |
| 787 | winReshapeMultiWindow(pWin); |
| 788 | winUpdateRgnMultiWindow(pWin); |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | break; |
| 793 | |
| 794 | case WM_WM_UNMAP: |
| 795 | #if CYGMULTIWINDOW_DEBUG |
| 796 | ErrorF("\tWM_WM_UNMAP\n"); |
| 797 | #endif |
| 798 | |
| 799 | /* Unmap the window */ |
| 800 | XUnmapWindow(pWMInfo->pDisplay, pNode->msg.iWindow); |
| 801 | break; |
| 802 | |
| 803 | case WM_WM_KILL: |
| 804 | #if CYGMULTIWINDOW_DEBUG |
| 805 | ErrorF("\tWM_WM_KILL\n"); |
| 806 | #endif |
| 807 | { |
| 808 | int i, n, found = 0; |
| 809 | Atom *protocols; |
| 810 | |
| 811 | /* --- */ |
| 812 | if (XGetWMProtocols(pWMInfo->pDisplay, |
| 813 | pNode->msg.iWindow, &protocols, &n)) { |
| 814 | for (i = 0; i < n; ++i) |
| 815 | if (protocols[i] == pWMInfo->atmWmDelete) |
| 816 | ++found; |
| 817 | |
| 818 | XFree(protocols); |
| 819 | } |
| 820 | |
| 821 | /* --- */ |
| 822 | if (found) |
| 823 | SendXMessage(pWMInfo->pDisplay, |
| 824 | pNode->msg.iWindow, |
| 825 | pWMInfo->atmWmProtos, pWMInfo->atmWmDelete); |
| 826 | else |
| 827 | XKillClient(pWMInfo->pDisplay, pNode->msg.iWindow); |
| 828 | } |
| 829 | break; |
| 830 | |
| 831 | case WM_WM_ACTIVATE: |
| 832 | #if CYGMULTIWINDOW_DEBUG |
| 833 | ErrorF("\tWM_WM_ACTIVATE\n"); |
| 834 | #endif |
| 835 | |
| 836 | /* Set the input focus */ |
| 837 | XSetInputFocus(pWMInfo->pDisplay, |
| 838 | pNode->msg.iWindow, |
| 839 | RevertToPointerRoot, CurrentTime); |
| 840 | break; |
| 841 | |
| 842 | case WM_WM_NAME_EVENT: |
| 843 | UpdateName(pWMInfo, pNode->msg.iWindow); |
| 844 | break; |
| 845 | |
| 846 | case WM_WM_ICON_EVENT: |
| 847 | UpdateIcon(pWMInfo, pNode->msg.iWindow); |
| 848 | break; |
| 849 | |
| 850 | case WM_WM_HINTS_EVENT: |
| 851 | { |
| 852 | XWindowAttributes attr; |
| 853 | |
| 854 | /* Don't do anything if this is an override-redirect window */ |
| 855 | XGetWindowAttributes (pWMInfo->pDisplay, pNode->msg.iWindow, &attr); |
| 856 | if (attr.override_redirect) |
| 857 | break; |
| 858 | |
| 859 | UpdateStyle(pWMInfo, pNode->msg.iWindow); |
| 860 | } |
| 861 | break; |
| 862 | |
| 863 | case WM_WM_CHANGE_STATE: |
| 864 | /* Minimize the window in Windows */ |
| 865 | winMinimizeWindow(pNode->msg.iWindow); |
| 866 | break; |
| 867 | |
| 868 | default: |
| 869 | ErrorF("winMultiWindowWMProc - Unknown Message. Exiting.\n"); |
| 870 | pthread_exit(NULL); |
| 871 | break; |
| 872 | } |
| 873 | |
| 874 | /* Free the retrieved message */ |
| 875 | free(pNode); |
| 876 | |
| 877 | /* Flush any pending events on our display */ |
| 878 | XFlush(pWMInfo->pDisplay); |
| 879 | } |
| 880 | |
| 881 | /* Free the condition variable */ |
| 882 | pthread_cond_destroy(&pWMInfo->wmMsgQueue.pcNotEmpty); |
| 883 | |
| 884 | /* Free the mutex variable */ |
| 885 | pthread_mutex_destroy(&pWMInfo->wmMsgQueue.pmMutex); |
| 886 | |
| 887 | /* Free the passed-in argument */ |
| 888 | free(pProcArg); |
| 889 | |
| 890 | #if CYGMULTIWINDOW_DEBUG |
| 891 | ErrorF("-winMultiWindowWMProc ()\n"); |
| 892 | #endif |
| 893 | return NULL; |
| 894 | } |
| 895 | |
| 896 | /* |
| 897 | * X message procedure |
| 898 | */ |
| 899 | |
| 900 | static void * |
| 901 | winMultiWindowXMsgProc(void *pArg) |
| 902 | { |
| 903 | winWMMessageRec msg; |
| 904 | XMsgProcArgPtr pProcArg = (XMsgProcArgPtr) pArg; |
| 905 | char pszDisplay[512]; |
| 906 | int iRetries; |
| 907 | XEvent event; |
| 908 | Atom atmWmName; |
| 909 | Atom atmWmHints; |
| 910 | Atom atmWmChange; |
| 911 | Atom atmNetWmIcon; |
| 912 | Atom atmWindowState, atmMotifWmHints, atmWindowType, atmNormalHints; |
| 913 | int iReturn; |
| 914 | XIconSize *xis; |
| 915 | |
| 916 | winDebug("winMultiWindowXMsgProc - Hello\n"); |
| 917 | |
| 918 | /* Check that argument pointer is not invalid */ |
| 919 | if (pProcArg == NULL) { |
| 920 | ErrorF("winMultiWindowXMsgProc - pProcArg is NULL. Exiting.\n"); |
| 921 | pthread_exit(NULL); |
| 922 | } |
| 923 | |
| 924 | ErrorF("winMultiWindowXMsgProc - Calling pthread_mutex_lock ()\n"); |
| 925 | |
| 926 | /* Grab the server started mutex - pause until we get it */ |
| 927 | iReturn = pthread_mutex_lock(pProcArg->ppmServerStarted); |
| 928 | if (iReturn != 0) { |
| 929 | ErrorF("winMultiWindowXMsgProc - pthread_mutex_lock () failed: %d. " |
| 930 | "Exiting.\n", iReturn); |
| 931 | pthread_exit(NULL); |
| 932 | } |
| 933 | |
| 934 | ErrorF("winMultiWindowXMsgProc - pthread_mutex_lock () returned.\n"); |
| 935 | |
| 936 | /* Allow multiple threads to access Xlib */ |
| 937 | if (XInitThreads() == 0) { |
| 938 | ErrorF("winMultiWindowXMsgProc - XInitThreads () failed. Exiting.\n"); |
| 939 | pthread_exit(NULL); |
| 940 | } |
| 941 | |
| 942 | /* See if X supports the current locale */ |
| 943 | if (XSupportsLocale() == False) { |
| 944 | ErrorF("winMultiWindowXMsgProc - Warning: locale not supported by X\n"); |
| 945 | } |
| 946 | |
| 947 | /* Release the server started mutex */ |
| 948 | pthread_mutex_unlock(pProcArg->ppmServerStarted); |
| 949 | |
| 950 | ErrorF("winMultiWindowXMsgProc - pthread_mutex_unlock () returned.\n"); |
| 951 | |
| 952 | /* Install our error handler */ |
| 953 | XSetErrorHandler(winMultiWindowXMsgProcErrorHandler); |
| 954 | g_winMultiWindowXMsgProcThread = pthread_self(); |
| 955 | g_winMultiWindowXMsgProcOldIOErrorHandler = |
| 956 | XSetIOErrorHandler(winMultiWindowXMsgProcIOErrorHandler); |
| 957 | |
| 958 | /* Set jump point for IO Error exits */ |
| 959 | iReturn = setjmp(g_jmpXMsgProcEntry); |
| 960 | |
| 961 | /* Check if we should continue operations */ |
| 962 | if (iReturn != WIN_JMP_ERROR_IO && iReturn != WIN_JMP_OKAY) { |
| 963 | /* setjmp returned an unknown value, exit */ |
| 964 | ErrorF("winInitMultiWindowXMsgProc - setjmp returned: %d. Exiting.\n", |
| 965 | iReturn); |
| 966 | pthread_exit(NULL); |
| 967 | } |
| 968 | else if (iReturn == WIN_JMP_ERROR_IO) { |
| 969 | ErrorF("winInitMultiWindowXMsgProc - Caught IO Error. Exiting.\n"); |
| 970 | pthread_exit(NULL); |
| 971 | } |
| 972 | |
| 973 | /* Setup the display connection string x */ |
| 974 | snprintf(pszDisplay, |
| 975 | 512, "127.0.0.1:%s.%d", display, (int) pProcArg->dwScreen); |
| 976 | |
| 977 | /* Print the display connection string */ |
| 978 | ErrorF("winMultiWindowXMsgProc - DISPLAY=%s\n", pszDisplay); |
| 979 | |
| 980 | /* Use our generated cookie for authentication */ |
| 981 | winSetAuthorization(); |
| 982 | |
| 983 | /* Initialize retry count */ |
| 984 | iRetries = 0; |
| 985 | |
| 986 | /* Open the X display */ |
| 987 | do { |
| 988 | /* Try to open the display */ |
| 989 | pProcArg->pDisplay = XOpenDisplay(pszDisplay); |
| 990 | if (pProcArg->pDisplay == NULL) { |
| 991 | ErrorF("winMultiWindowXMsgProc - Could not open display, try: %d, " |
| 992 | "sleeping: %d\n", iRetries + 1, WIN_CONNECT_DELAY); |
| 993 | ++iRetries; |
| 994 | sleep(WIN_CONNECT_DELAY); |
| 995 | continue; |
| 996 | } |
| 997 | else |
| 998 | break; |
| 999 | } |
| 1000 | while (pProcArg->pDisplay == NULL && iRetries < WIN_CONNECT_RETRIES); |
| 1001 | |
| 1002 | /* Make sure that the display opened */ |
| 1003 | if (pProcArg->pDisplay == NULL) { |
| 1004 | ErrorF("winMultiWindowXMsgProc - Failed opening the display. " |
| 1005 | "Exiting.\n"); |
| 1006 | pthread_exit(NULL); |
| 1007 | } |
| 1008 | |
| 1009 | ErrorF("winMultiWindowXMsgProc - XOpenDisplay () returned and " |
| 1010 | "successfully opened the display.\n"); |
| 1011 | |
| 1012 | /* Check if another window manager is already running */ |
| 1013 | g_fAnotherWMRunning = |
| 1014 | CheckAnotherWindowManager(pProcArg->pDisplay, pProcArg->dwScreen, |
| 1015 | pProcArg->pWMInfo->fAllowOtherWM); |
| 1016 | |
| 1017 | if (g_fAnotherWMRunning && !pProcArg->pWMInfo->fAllowOtherWM) { |
| 1018 | ErrorF("winMultiWindowXMsgProc - " |
| 1019 | "another window manager is running. Exiting.\n"); |
| 1020 | pthread_exit(NULL); |
| 1021 | } |
| 1022 | |
| 1023 | /* Set up the supported icon sizes */ |
| 1024 | xis = XAllocIconSize(); |
| 1025 | if (xis) { |
| 1026 | xis->min_width = xis->min_height = 16; |
| 1027 | xis->max_width = xis->max_height = 48; |
| 1028 | xis->width_inc = xis->height_inc = 16; |
| 1029 | XSetIconSizes(pProcArg->pDisplay, |
| 1030 | RootWindow(pProcArg->pDisplay, pProcArg->dwScreen), |
| 1031 | xis, 1); |
| 1032 | XFree(xis); |
| 1033 | } |
| 1034 | |
| 1035 | atmWmName = XInternAtom(pProcArg->pDisplay, "WM_NAME", False); |
| 1036 | atmWmHints = XInternAtom(pProcArg->pDisplay, "WM_HINTS", False); |
| 1037 | atmWmChange = XInternAtom(pProcArg->pDisplay, "WM_CHANGE_STATE", False); |
| 1038 | atmNetWmIcon = XInternAtom(pProcArg->pDisplay, "_NET_WM_ICON", False); |
| 1039 | atmWindowState = XInternAtom(pProcArg->pDisplay, "_NET_WM_STATE", False); |
| 1040 | atmMotifWmHints = XInternAtom(pProcArg->pDisplay, "_MOTIF_WM_HINTS", False); |
| 1041 | atmWindowType = XInternAtom(pProcArg->pDisplay, "_NET_WM_WINDOW_TYPE", False); |
| 1042 | atmNormalHints = XInternAtom(pProcArg->pDisplay, "WM_NORMAL_HINTS", False); |
| 1043 | |
| 1044 | /* |
| 1045 | iiimxcf had a bug until 2009-04-27, assuming that the |
| 1046 | WM_STATE atom exists, causing clients to fail with |
| 1047 | a BadAtom X error if it doesn't. |
| 1048 | |
| 1049 | Since this is on in the default Solaris 10 install, |
| 1050 | workaround this by making sure it does exist... |
| 1051 | */ |
| 1052 | XInternAtom(pProcArg->pDisplay, "WM_STATE", 0); |
| 1053 | |
| 1054 | /* Loop until we explicitly break out */ |
| 1055 | while (1) { |
| 1056 | if (g_shutdown) |
| 1057 | break; |
| 1058 | |
| 1059 | if (pProcArg->pWMInfo->fAllowOtherWM && !XPending(pProcArg->pDisplay)) { |
| 1060 | if (CheckAnotherWindowManager |
| 1061 | (pProcArg->pDisplay, pProcArg->dwScreen, TRUE)) { |
| 1062 | if (!g_fAnotherWMRunning) { |
| 1063 | g_fAnotherWMRunning = TRUE; |
| 1064 | SendMessage(pProcArg->hwndScreen, WM_UNMANAGE, 0, 0); |
| 1065 | } |
| 1066 | } |
| 1067 | else { |
| 1068 | if (g_fAnotherWMRunning) { |
| 1069 | g_fAnotherWMRunning = FALSE; |
| 1070 | SendMessage(pProcArg->hwndScreen, WM_MANAGE, 0, 0); |
| 1071 | } |
| 1072 | } |
| 1073 | Sleep(500); |
| 1074 | continue; |
| 1075 | } |
| 1076 | |
| 1077 | /* Fetch next event */ |
| 1078 | XNextEvent(pProcArg->pDisplay, &event); |
| 1079 | |
| 1080 | /* Branch on event type */ |
| 1081 | if (event.type == CreateNotify) { |
| 1082 | XWindowAttributes attr; |
| 1083 | |
| 1084 | XSelectInput(pProcArg->pDisplay, |
| 1085 | event.xcreatewindow.window, PropertyChangeMask); |
| 1086 | |
| 1087 | /* Get the window attributes */ |
| 1088 | XGetWindowAttributes(pProcArg->pDisplay, |
| 1089 | event.xcreatewindow.window, &attr); |
| 1090 | |
| 1091 | if (!attr.override_redirect) |
| 1092 | XSetWindowBorderWidth(pProcArg->pDisplay, |
| 1093 | event.xcreatewindow.window, 0); |
| 1094 | } |
| 1095 | else if (event.type == MapNotify) { |
| 1096 | /* Fake a reparentNotify event as SWT/Motif expects a |
| 1097 | Window Manager to reparent a top-level window when |
| 1098 | it is mapped and waits until they do. |
| 1099 | |
| 1100 | We don't actually need to reparent, as the frame is |
| 1101 | a native window, not an X window |
| 1102 | |
| 1103 | We do this on MapNotify, not MapRequest like a real |
| 1104 | Window Manager would, so we don't have do get involved |
| 1105 | in actually mapping the window via it's (non-existent) |
| 1106 | parent... |
| 1107 | |
| 1108 | See sourceware bugzilla #9848 |
| 1109 | */ |
| 1110 | |
| 1111 | XWindowAttributes attr; |
| 1112 | Window root; |
| 1113 | Window parent; |
| 1114 | Window *children; |
| 1115 | unsigned int nchildren; |
| 1116 | |
| 1117 | if (XGetWindowAttributes(event.xmap.display, |
| 1118 | event.xmap.window, |
| 1119 | &attr) && |
| 1120 | XQueryTree(event.xmap.display, |
| 1121 | event.xmap.window, |
| 1122 | &root, &parent, &children, &nchildren)) { |
| 1123 | if (children) |
| 1124 | XFree(children); |
| 1125 | |
| 1126 | /* |
| 1127 | It's a top-level window if the parent window is a root window |
| 1128 | Only non-override_redirect windows can get reparented |
| 1129 | */ |
| 1130 | if ((attr.root == parent) && !event.xmap.override_redirect) { |
| 1131 | XEvent event_send; |
| 1132 | |
| 1133 | event_send.type = ReparentNotify; |
| 1134 | event_send.xreparent.event = event.xmap.window; |
| 1135 | event_send.xreparent.window = event.xmap.window; |
| 1136 | event_send.xreparent.parent = parent; |
| 1137 | event_send.xreparent.x = attr.x; |
| 1138 | event_send.xreparent.y = attr.y; |
| 1139 | |
| 1140 | XSendEvent(event.xmap.display, |
| 1141 | event.xmap.window, |
| 1142 | True, StructureNotifyMask, &event_send); |
| 1143 | } |
| 1144 | } |
| 1145 | } |
| 1146 | else if (event.type == ConfigureNotify) { |
| 1147 | if (!event.xconfigure.send_event) { |
| 1148 | /* |
| 1149 | Java applications using AWT on JRE 1.6.0 break with non-reparenting WMs AWT |
| 1150 | doesn't explicitly know about (See sun bug #6434227) |
| 1151 | |
| 1152 | XDecoratedPeer.handleConfigureNotifyEvent() only processes non-synthetic |
| 1153 | ConfigureNotify events to update window location if it's identified the |
| 1154 | WM as a non-reparenting WM it knows about (compiz or lookingglass) |
| 1155 | |
| 1156 | Rather than tell all sorts of lies to get XWM to recognize us as one of |
| 1157 | those, simply send a synthetic ConfigureNotify for every non-synthetic one |
| 1158 | */ |
| 1159 | XEvent event_send = event; |
| 1160 | |
| 1161 | event_send.xconfigure.send_event = TRUE; |
| 1162 | event_send.xconfigure.event = event.xconfigure.window; |
| 1163 | XSendEvent(event.xconfigure.display, |
| 1164 | event.xconfigure.window, |
| 1165 | True, StructureNotifyMask, &event_send); |
| 1166 | } |
| 1167 | } |
| 1168 | else if (event.type == PropertyNotify) { |
| 1169 | if (event.xproperty.atom == atmWmName) { |
| 1170 | memset(&msg, 0, sizeof(msg)); |
| 1171 | |
| 1172 | msg.msg = WM_WM_NAME_EVENT; |
| 1173 | msg.iWindow = event.xproperty.window; |
| 1174 | |
| 1175 | /* Other fields ignored */ |
| 1176 | winSendMessageToWM(pProcArg->pWMInfo, &msg); |
| 1177 | } |
| 1178 | else { |
| 1179 | /* |
| 1180 | Several properties are considered for WM hints, check if this property change affects any of them... |
| 1181 | (this list needs to be kept in sync with winApplyHints()) |
| 1182 | */ |
| 1183 | if ((event.xproperty.atom == atmWmHints) || |
| 1184 | (event.xproperty.atom == atmWindowState) || |
| 1185 | (event.xproperty.atom == atmMotifWmHints) || |
| 1186 | (event.xproperty.atom == atmWindowType) || |
| 1187 | (event.xproperty.atom == atmNormalHints)) { |
| 1188 | memset(&msg, 0, sizeof(msg)); |
| 1189 | msg.msg = WM_WM_HINTS_EVENT; |
| 1190 | msg.iWindow = event.xproperty.window; |
| 1191 | |
| 1192 | /* Other fields ignored */ |
| 1193 | winSendMessageToWM(pProcArg->pWMInfo, &msg); |
| 1194 | } |
| 1195 | |
| 1196 | /* Not an else as WM_HINTS affects both style and icon */ |
| 1197 | if ((event.xproperty.atom == atmWmHints) || |
| 1198 | (event.xproperty.atom == atmNetWmIcon)) { |
| 1199 | memset(&msg, 0, sizeof(msg)); |
| 1200 | msg.msg = WM_WM_ICON_EVENT; |
| 1201 | msg.iWindow = event.xproperty.window; |
| 1202 | |
| 1203 | /* Other fields ignored */ |
| 1204 | winSendMessageToWM(pProcArg->pWMInfo, &msg); |
| 1205 | } |
| 1206 | } |
| 1207 | } |
| 1208 | else if (event.type == ClientMessage |
| 1209 | && event.xclient.message_type == atmWmChange |
| 1210 | && event.xclient.data.l[0] == IconicState) { |
| 1211 | ErrorF("winMultiWindowXMsgProc - WM_CHANGE_STATE - IconicState\n"); |
| 1212 | |
| 1213 | memset(&msg, 0, sizeof(msg)); |
| 1214 | |
| 1215 | msg.msg = WM_WM_CHANGE_STATE; |
| 1216 | msg.iWindow = event.xclient.window; |
| 1217 | |
| 1218 | winSendMessageToWM(pProcArg->pWMInfo, &msg); |
| 1219 | } |
| 1220 | } |
| 1221 | |
| 1222 | XCloseDisplay(pProcArg->pDisplay); |
| 1223 | pthread_exit(NULL); |
| 1224 | return NULL; |
| 1225 | } |
| 1226 | |
| 1227 | /* |
| 1228 | * winInitWM - Entry point for the X server to spawn |
| 1229 | * the Window Manager thread. Called from |
| 1230 | * winscrinit.c/winFinishScreenInitFB (). |
| 1231 | */ |
| 1232 | |
| 1233 | Bool |
| 1234 | winInitWM(void **ppWMInfo, |
| 1235 | pthread_t * ptWMProc, |
| 1236 | pthread_t * ptXMsgProc, |
| 1237 | pthread_mutex_t * ppmServerStarted, |
| 1238 | int dwScreen, HWND hwndScreen, BOOL allowOtherWM) |
| 1239 | { |
| 1240 | WMProcArgPtr pArg = (WMProcArgPtr) malloc(sizeof(WMProcArgRec)); |
| 1241 | WMInfoPtr pWMInfo = (WMInfoPtr) malloc(sizeof(WMInfoRec)); |
| 1242 | XMsgProcArgPtr pXMsgArg = (XMsgProcArgPtr) malloc(sizeof(XMsgProcArgRec)); |
| 1243 | |
| 1244 | /* Bail if the input parameters are bad */ |
| 1245 | if (pArg == NULL || pWMInfo == NULL || pXMsgArg == NULL) { |
| 1246 | ErrorF("winInitWM - malloc failed.\n"); |
| 1247 | free(pArg); |
| 1248 | free(pWMInfo); |
| 1249 | free(pXMsgArg); |
| 1250 | return FALSE; |
| 1251 | } |
| 1252 | |
| 1253 | /* Zero the allocated memory */ |
| 1254 | ZeroMemory(pArg, sizeof(WMProcArgRec)); |
| 1255 | ZeroMemory(pWMInfo, sizeof(WMInfoRec)); |
| 1256 | ZeroMemory(pXMsgArg, sizeof(XMsgProcArgRec)); |
| 1257 | |
| 1258 | /* Set a return pointer to the Window Manager info structure */ |
| 1259 | *ppWMInfo = pWMInfo; |
| 1260 | pWMInfo->fAllowOtherWM = allowOtherWM; |
| 1261 | |
| 1262 | /* Setup the argument structure for the thread function */ |
| 1263 | pArg->dwScreen = dwScreen; |
| 1264 | pArg->pWMInfo = pWMInfo; |
| 1265 | pArg->ppmServerStarted = ppmServerStarted; |
| 1266 | |
| 1267 | /* Intialize the message queue */ |
| 1268 | if (!InitQueue(&pWMInfo->wmMsgQueue)) { |
| 1269 | ErrorF("winInitWM - InitQueue () failed.\n"); |
| 1270 | return FALSE; |
| 1271 | } |
| 1272 | |
| 1273 | /* Spawn a thread for the Window Manager */ |
| 1274 | if (pthread_create(ptWMProc, NULL, winMultiWindowWMProc, pArg)) { |
| 1275 | /* Bail if thread creation failed */ |
| 1276 | ErrorF("winInitWM - pthread_create failed for Window Manager.\n"); |
| 1277 | return FALSE; |
| 1278 | } |
| 1279 | |
| 1280 | /* Spawn the XNextEvent thread, will send messages to WM */ |
| 1281 | pXMsgArg->dwScreen = dwScreen; |
| 1282 | pXMsgArg->pWMInfo = pWMInfo; |
| 1283 | pXMsgArg->ppmServerStarted = ppmServerStarted; |
| 1284 | pXMsgArg->hwndScreen = hwndScreen; |
| 1285 | if (pthread_create(ptXMsgProc, NULL, winMultiWindowXMsgProc, pXMsgArg)) { |
| 1286 | /* Bail if thread creation failed */ |
| 1287 | ErrorF("winInitWM - pthread_create failed on XMSG.\n"); |
| 1288 | return FALSE; |
| 1289 | } |
| 1290 | |
| 1291 | #if CYGDEBUG || YES |
| 1292 | winDebug("winInitWM - Returning.\n"); |
| 1293 | #endif |
| 1294 | |
| 1295 | return TRUE; |
| 1296 | } |
| 1297 | |
| 1298 | /* |
| 1299 | * Window manager thread - setup |
| 1300 | */ |
| 1301 | |
| 1302 | static void |
| 1303 | winInitMultiWindowWM(WMInfoPtr pWMInfo, WMProcArgPtr pProcArg) |
| 1304 | { |
| 1305 | int iRetries = 0; |
| 1306 | char pszDisplay[512]; |
| 1307 | int iReturn; |
| 1308 | |
| 1309 | winDebug("winInitMultiWindowWM - Hello\n"); |
| 1310 | |
| 1311 | /* Check that argument pointer is not invalid */ |
| 1312 | if (pProcArg == NULL) { |
| 1313 | ErrorF("winInitMultiWindowWM - pProcArg is NULL. Exiting.\n"); |
| 1314 | pthread_exit(NULL); |
| 1315 | } |
| 1316 | |
| 1317 | ErrorF("winInitMultiWindowWM - Calling pthread_mutex_lock ()\n"); |
| 1318 | |
| 1319 | /* Grab our garbage mutex to satisfy pthread_cond_wait */ |
| 1320 | iReturn = pthread_mutex_lock(pProcArg->ppmServerStarted); |
| 1321 | if (iReturn != 0) { |
| 1322 | ErrorF("winInitMultiWindowWM - pthread_mutex_lock () failed: %d. " |
| 1323 | "Exiting.\n", iReturn); |
| 1324 | pthread_exit(NULL); |
| 1325 | } |
| 1326 | |
| 1327 | ErrorF("winInitMultiWindowWM - pthread_mutex_lock () returned.\n"); |
| 1328 | |
| 1329 | /* Allow multiple threads to access Xlib */ |
| 1330 | if (XInitThreads() == 0) { |
| 1331 | ErrorF("winInitMultiWindowWM - XInitThreads () failed. Exiting.\n"); |
| 1332 | pthread_exit(NULL); |
| 1333 | } |
| 1334 | |
| 1335 | /* See if X supports the current locale */ |
| 1336 | if (XSupportsLocale() == False) { |
| 1337 | ErrorF("winInitMultiWindowWM - Warning: Locale not supported by X.\n"); |
| 1338 | } |
| 1339 | |
| 1340 | /* Release the server started mutex */ |
| 1341 | pthread_mutex_unlock(pProcArg->ppmServerStarted); |
| 1342 | |
| 1343 | ErrorF("winInitMultiWindowWM - pthread_mutex_unlock () returned.\n"); |
| 1344 | |
| 1345 | /* Install our error handler */ |
| 1346 | XSetErrorHandler(winMultiWindowWMErrorHandler); |
| 1347 | g_winMultiWindowWMThread = pthread_self(); |
| 1348 | g_winMultiWindowWMOldIOErrorHandler = |
| 1349 | XSetIOErrorHandler(winMultiWindowWMIOErrorHandler); |
| 1350 | |
| 1351 | /* Set jump point for IO Error exits */ |
| 1352 | iReturn = setjmp(g_jmpWMEntry); |
| 1353 | |
| 1354 | /* Check if we should continue operations */ |
| 1355 | if (iReturn != WIN_JMP_ERROR_IO && iReturn != WIN_JMP_OKAY) { |
| 1356 | /* setjmp returned an unknown value, exit */ |
| 1357 | ErrorF("winInitMultiWindowWM - setjmp returned: %d. Exiting.\n", |
| 1358 | iReturn); |
| 1359 | pthread_exit(NULL); |
| 1360 | } |
| 1361 | else if (iReturn == WIN_JMP_ERROR_IO) { |
| 1362 | ErrorF("winInitMultiWindowWM - Caught IO Error. Exiting.\n"); |
| 1363 | pthread_exit(NULL); |
| 1364 | } |
| 1365 | |
| 1366 | /* Setup the display connection string x */ |
| 1367 | snprintf(pszDisplay, |
| 1368 | 512, "127.0.0.1:%s.%d", display, (int) pProcArg->dwScreen); |
| 1369 | |
| 1370 | /* Print the display connection string */ |
| 1371 | ErrorF("winInitMultiWindowWM - DISPLAY=%s\n", pszDisplay); |
| 1372 | |
| 1373 | /* Use our generated cookie for authentication */ |
| 1374 | winSetAuthorization(); |
| 1375 | |
| 1376 | /* Open the X display */ |
| 1377 | do { |
| 1378 | /* Try to open the display */ |
| 1379 | pWMInfo->pDisplay = XOpenDisplay(pszDisplay); |
| 1380 | if (pWMInfo->pDisplay == NULL) { |
| 1381 | ErrorF("winInitMultiWindowWM - Could not open display, try: %d, " |
| 1382 | "sleeping: %d\n", iRetries + 1, WIN_CONNECT_DELAY); |
| 1383 | ++iRetries; |
| 1384 | sleep(WIN_CONNECT_DELAY); |
| 1385 | continue; |
| 1386 | } |
| 1387 | else |
| 1388 | break; |
| 1389 | } |
| 1390 | while (pWMInfo->pDisplay == NULL && iRetries < WIN_CONNECT_RETRIES); |
| 1391 | |
| 1392 | /* Make sure that the display opened */ |
| 1393 | if (pWMInfo->pDisplay == NULL) { |
| 1394 | ErrorF("winInitMultiWindowWM - Failed opening the display. " |
| 1395 | "Exiting.\n"); |
| 1396 | pthread_exit(NULL); |
| 1397 | } |
| 1398 | |
| 1399 | ErrorF("winInitMultiWindowWM - XOpenDisplay () returned and " |
| 1400 | "successfully opened the display.\n"); |
| 1401 | |
| 1402 | /* Create some atoms */ |
| 1403 | pWMInfo->atmWmProtos = XInternAtom(pWMInfo->pDisplay, |
| 1404 | "WM_PROTOCOLS", False); |
| 1405 | pWMInfo->atmWmDelete = XInternAtom(pWMInfo->pDisplay, |
| 1406 | "WM_DELETE_WINDOW", False); |
| 1407 | |
| 1408 | pWMInfo->atmPrivMap = XInternAtom(pWMInfo->pDisplay, |
| 1409 | WINDOWSWM_NATIVE_HWND, False); |
| 1410 | |
| 1411 | if (1) { |
| 1412 | Cursor cursor = XCreateFontCursor(pWMInfo->pDisplay, XC_left_ptr); |
| 1413 | |
| 1414 | if (cursor) { |
| 1415 | XDefineCursor(pWMInfo->pDisplay, |
| 1416 | DefaultRootWindow(pWMInfo->pDisplay), cursor); |
| 1417 | XFreeCursor(pWMInfo->pDisplay, cursor); |
| 1418 | } |
| 1419 | } |
| 1420 | } |
| 1421 | |
| 1422 | /* |
| 1423 | * winSendMessageToWM - Send a message from the X thread to the WM thread |
| 1424 | */ |
| 1425 | |
| 1426 | void |
| 1427 | winSendMessageToWM(void *pWMInfo, winWMMessagePtr pMsg) |
| 1428 | { |
| 1429 | WMMsgNodePtr pNode; |
| 1430 | |
| 1431 | #if CYGMULTIWINDOW_DEBUG |
| 1432 | ErrorF("winSendMessageToWM ()\n"); |
| 1433 | #endif |
| 1434 | |
| 1435 | pNode = (WMMsgNodePtr) malloc(sizeof(WMMsgNodeRec)); |
| 1436 | if (pNode != NULL) { |
| 1437 | memcpy(&pNode->msg, pMsg, sizeof(winWMMessageRec)); |
| 1438 | PushMessage(&((WMInfoPtr) pWMInfo)->wmMsgQueue, pNode); |
| 1439 | } |
| 1440 | } |
| 1441 | |
| 1442 | /* |
| 1443 | * Window manager error handler |
| 1444 | */ |
| 1445 | |
| 1446 | static int |
| 1447 | winMultiWindowWMErrorHandler(Display * pDisplay, XErrorEvent * pErr) |
| 1448 | { |
| 1449 | char pszErrorMsg[100]; |
| 1450 | |
| 1451 | if (pErr->request_code == X_ChangeWindowAttributes |
| 1452 | && pErr->error_code == BadAccess) { |
| 1453 | ErrorF("winMultiWindowWMErrorHandler - ChangeWindowAttributes " |
| 1454 | "BadAccess.\n"); |
| 1455 | return 0; |
| 1456 | } |
| 1457 | |
| 1458 | XGetErrorText(pDisplay, pErr->error_code, pszErrorMsg, sizeof(pszErrorMsg)); |
| 1459 | ErrorF("winMultiWindowWMErrorHandler - ERROR: %s\n", pszErrorMsg); |
| 1460 | |
| 1461 | return 0; |
| 1462 | } |
| 1463 | |
| 1464 | /* |
| 1465 | * Window manager IO error handler |
| 1466 | */ |
| 1467 | |
| 1468 | static int |
| 1469 | winMultiWindowWMIOErrorHandler(Display * pDisplay) |
| 1470 | { |
| 1471 | ErrorF("winMultiWindowWMIOErrorHandler!\n"); |
| 1472 | |
| 1473 | if (pthread_equal(pthread_self(), g_winMultiWindowWMThread)) { |
| 1474 | if (g_shutdown) |
| 1475 | pthread_exit(NULL); |
| 1476 | |
| 1477 | /* Restart at the main entry point */ |
| 1478 | longjmp(g_jmpWMEntry, WIN_JMP_ERROR_IO); |
| 1479 | } |
| 1480 | |
| 1481 | if (g_winMultiWindowWMOldIOErrorHandler) |
| 1482 | g_winMultiWindowWMOldIOErrorHandler(pDisplay); |
| 1483 | |
| 1484 | return 0; |
| 1485 | } |
| 1486 | |
| 1487 | /* |
| 1488 | * X message procedure error handler |
| 1489 | */ |
| 1490 | |
| 1491 | static int |
| 1492 | winMultiWindowXMsgProcErrorHandler(Display * pDisplay, XErrorEvent * pErr) |
| 1493 | { |
| 1494 | char pszErrorMsg[100]; |
| 1495 | |
| 1496 | XGetErrorText(pDisplay, pErr->error_code, pszErrorMsg, sizeof(pszErrorMsg)); |
| 1497 | #if CYGMULTIWINDOW_DEBUG |
| 1498 | ErrorF("winMultiWindowXMsgProcErrorHandler - ERROR: %s\n", pszErrorMsg); |
| 1499 | #endif |
| 1500 | |
| 1501 | return 0; |
| 1502 | } |
| 1503 | |
| 1504 | /* |
| 1505 | * X message procedure IO error handler |
| 1506 | */ |
| 1507 | |
| 1508 | static int |
| 1509 | winMultiWindowXMsgProcIOErrorHandler(Display * pDisplay) |
| 1510 | { |
| 1511 | ErrorF("winMultiWindowXMsgProcIOErrorHandler!\n"); |
| 1512 | |
| 1513 | if (pthread_equal(pthread_self(), g_winMultiWindowXMsgProcThread)) { |
| 1514 | /* Restart at the main entry point */ |
| 1515 | longjmp(g_jmpXMsgProcEntry, WIN_JMP_ERROR_IO); |
| 1516 | } |
| 1517 | |
| 1518 | if (g_winMultiWindowXMsgProcOldIOErrorHandler) |
| 1519 | g_winMultiWindowXMsgProcOldIOErrorHandler(pDisplay); |
| 1520 | |
| 1521 | return 0; |
| 1522 | } |
| 1523 | |
| 1524 | /* |
| 1525 | * Catch RedirectError to detect other window manager running |
| 1526 | */ |
| 1527 | |
| 1528 | static int |
| 1529 | winRedirectErrorHandler(Display * pDisplay, XErrorEvent * pErr) |
| 1530 | { |
| 1531 | redirectError = TRUE; |
| 1532 | return 0; |
| 1533 | } |
| 1534 | |
| 1535 | /* |
| 1536 | * Check if another window manager is running |
| 1537 | */ |
| 1538 | |
| 1539 | static Bool |
| 1540 | CheckAnotherWindowManager(Display * pDisplay, DWORD dwScreen, |
| 1541 | Bool fAllowOtherWM) |
| 1542 | { |
| 1543 | /* |
| 1544 | Try to select the events which only one client at a time is allowed to select. |
| 1545 | If this causes an error, another window manager is already running... |
| 1546 | */ |
| 1547 | redirectError = FALSE; |
| 1548 | XSetErrorHandler(winRedirectErrorHandler); |
| 1549 | XSelectInput(pDisplay, RootWindow(pDisplay, dwScreen), |
| 1550 | ResizeRedirectMask | SubstructureRedirectMask | |
| 1551 | ButtonPressMask); |
| 1552 | XSync(pDisplay, 0); |
| 1553 | XSetErrorHandler(winMultiWindowXMsgProcErrorHandler); |
| 1554 | |
| 1555 | /* |
| 1556 | Side effect: select the events we are actually interested in... |
| 1557 | |
| 1558 | If other WMs are not allowed, also select one of the events which only one client |
| 1559 | at a time is allowed to select, so other window managers won't start... |
| 1560 | */ |
| 1561 | XSelectInput(pDisplay, RootWindow(pDisplay, dwScreen), |
| 1562 | SubstructureNotifyMask | (!fAllowOtherWM ? ButtonPressMask : |
| 1563 | 0)); |
| 1564 | XSync(pDisplay, 0); |
| 1565 | return redirectError; |
| 1566 | } |
| 1567 | |
| 1568 | /* |
| 1569 | * Notify the MWM thread we're exiting and not to reconnect |
| 1570 | */ |
| 1571 | |
| 1572 | void |
| 1573 | winDeinitMultiWindowWM(void) |
| 1574 | { |
| 1575 | ErrorF("winDeinitMultiWindowWM - Noting shutdown in progress\n"); |
| 1576 | g_shutdown = TRUE; |
| 1577 | } |
| 1578 | |
| 1579 | /* Windows window styles */ |
| 1580 | #define HINT_NOFRAME (1l<<0) |
| 1581 | #define HINT_BORDER (1L<<1) |
| 1582 | #define HINT_SIZEBOX (1l<<2) |
| 1583 | #define HINT_CAPTION (1l<<3) |
| 1584 | #define HINT_NOMAXIMIZE (1L<<4) |
| 1585 | #define HINT_NOMINIMIZE (1L<<5) |
| 1586 | #define HINT_NOSYSMENU (1L<<6) |
| 1587 | #define HINT_SKIPTASKBAR (1L<<7) |
| 1588 | /* These two are used on their own */ |
| 1589 | #define HINT_MAX (1L<<0) |
| 1590 | #define HINT_MIN (1L<<1) |
| 1591 | |
| 1592 | static void |
| 1593 | winApplyHints(Display * pDisplay, Window iWindow, HWND hWnd, HWND * zstyle) |
| 1594 | { |
| 1595 | static Atom windowState, motif_wm_hints, windowType; |
| 1596 | static Atom hiddenState, fullscreenState, belowState, aboveState, |
| 1597 | skiptaskbarState; |
| 1598 | static Atom dockWindow; |
| 1599 | static int generation; |
| 1600 | Atom type, *pAtom = NULL; |
| 1601 | int format; |
| 1602 | unsigned long hint = 0, maxmin = 0, nitems = 0, left = 0; |
| 1603 | unsigned long style, exStyle; |
| 1604 | MwmHints *mwm_hint = NULL; |
| 1605 | |
| 1606 | if (!hWnd) |
| 1607 | return; |
| 1608 | if (!IsWindow(hWnd)) |
| 1609 | return; |
| 1610 | |
| 1611 | if (generation != serverGeneration) { |
| 1612 | generation = serverGeneration; |
| 1613 | windowState = XInternAtom(pDisplay, "_NET_WM_STATE", False); |
| 1614 | motif_wm_hints = XInternAtom(pDisplay, "_MOTIF_WM_HINTS", False); |
| 1615 | windowType = XInternAtom(pDisplay, "_NET_WM_WINDOW_TYPE", False); |
| 1616 | hiddenState = XInternAtom(pDisplay, "_NET_WM_STATE_HIDDEN", False); |
| 1617 | fullscreenState = |
| 1618 | XInternAtom(pDisplay, "_NET_WM_STATE_FULLSCREEN", False); |
| 1619 | belowState = XInternAtom(pDisplay, "_NET_WM_STATE_BELOW", False); |
| 1620 | aboveState = XInternAtom(pDisplay, "_NET_WM_STATE_ABOVE", False); |
| 1621 | dockWindow = XInternAtom(pDisplay, "_NET_WM_WINDOW_TYPE_DOCK", False); |
| 1622 | skiptaskbarState = |
| 1623 | XInternAtom(pDisplay, "_NET_WM_STATE_SKIP_TASKBAR", False); |
| 1624 | } |
| 1625 | |
| 1626 | if (XGetWindowProperty(pDisplay, iWindow, windowState, 0L, |
| 1627 | MAXINT, False, XA_ATOM, &type, &format, |
| 1628 | &nitems, &left, |
| 1629 | (unsigned char **) &pAtom) == Success) { |
| 1630 | if (pAtom ) { |
| 1631 | unsigned long i; |
| 1632 | |
| 1633 | for (i = 0; i < nitems; i++) { |
| 1634 | if (pAtom[i] == skiptaskbarState) |
| 1635 | hint |= HINT_SKIPTASKBAR; |
| 1636 | if (pAtom[i] == hiddenState) |
| 1637 | maxmin |= HINT_MIN; |
| 1638 | else if (pAtom[i] == fullscreenState) |
| 1639 | maxmin |= HINT_MAX; |
| 1640 | if (pAtom[i] == belowState) |
| 1641 | *zstyle = HWND_BOTTOM; |
| 1642 | else if (pAtom[i] == aboveState) |
| 1643 | *zstyle = HWND_TOPMOST; |
| 1644 | } |
| 1645 | |
| 1646 | XFree(pAtom); |
| 1647 | } |
| 1648 | } |
| 1649 | |
| 1650 | nitems = left = 0; |
| 1651 | if (XGetWindowProperty(pDisplay, iWindow, motif_wm_hints, 0L, |
| 1652 | PropMwmHintsElements, False, motif_wm_hints, &type, |
| 1653 | &format, &nitems, &left, |
| 1654 | (unsigned char **) &mwm_hint) == Success) { |
| 1655 | if (mwm_hint && nitems == PropMwmHintsElements && |
| 1656 | (mwm_hint->flags & MwmHintsDecorations)) { |
| 1657 | if (!mwm_hint->decorations) |
| 1658 | hint |= HINT_NOFRAME; |
| 1659 | else if (!(mwm_hint->decorations & MwmDecorAll)) { |
| 1660 | if (mwm_hint->decorations & MwmDecorBorder) |
| 1661 | hint |= HINT_BORDER; |
| 1662 | if (mwm_hint->decorations & MwmDecorHandle) |
| 1663 | hint |= HINT_SIZEBOX; |
| 1664 | if (mwm_hint->decorations & MwmDecorTitle) |
| 1665 | hint |= HINT_CAPTION; |
| 1666 | if (!(mwm_hint->decorations & MwmDecorMenu)) |
| 1667 | hint |= HINT_NOSYSMENU; |
| 1668 | if (!(mwm_hint->decorations & MwmDecorMinimize)) |
| 1669 | hint |= HINT_NOMINIMIZE; |
| 1670 | if (!(mwm_hint->decorations & MwmDecorMaximize)) |
| 1671 | hint |= HINT_NOMAXIMIZE; |
| 1672 | } |
| 1673 | else { |
| 1674 | /* |
| 1675 | MwmDecorAll means all decorations *except* those specified by other flag |
| 1676 | bits that are set. Not yet implemented. |
| 1677 | */ |
| 1678 | } |
| 1679 | } |
| 1680 | if (mwm_hint) |
| 1681 | XFree(mwm_hint); |
| 1682 | } |
| 1683 | |
| 1684 | nitems = left = 0; |
| 1685 | pAtom = NULL; |
| 1686 | if (XGetWindowProperty(pDisplay, iWindow, windowType, 0L, |
| 1687 | 1L, False, XA_ATOM, &type, &format, |
| 1688 | &nitems, &left, |
| 1689 | (unsigned char **) &pAtom) == Success) { |
| 1690 | if (pAtom && nitems == 1) { |
| 1691 | if (*pAtom == dockWindow) { |
| 1692 | hint = (hint & ~HINT_NOFRAME) | HINT_SIZEBOX; /* Xming puts a sizebox on dock windows */ |
| 1693 | *zstyle = HWND_TOPMOST; |
| 1694 | } |
| 1695 | } |
| 1696 | if (pAtom) |
| 1697 | XFree(pAtom); |
| 1698 | } |
| 1699 | |
| 1700 | { |
| 1701 | XSizeHints *normal_hint = XAllocSizeHints(); |
| 1702 | long supplied; |
| 1703 | |
| 1704 | if (normal_hint && |
| 1705 | (XGetWMNormalHints(pDisplay, iWindow, normal_hint, &supplied) == |
| 1706 | Success)) { |
| 1707 | if (normal_hint->flags & PMaxSize) { |
| 1708 | /* Not maximizable if a maximum size is specified */ |
| 1709 | hint |= HINT_NOMAXIMIZE; |
| 1710 | |
| 1711 | if (normal_hint->flags & PMinSize) { |
| 1712 | /* |
| 1713 | If both minimum size and maximum size are specified and are the same, |
| 1714 | don't bother with a resizing frame |
| 1715 | */ |
| 1716 | if ((normal_hint->min_width == normal_hint->max_width) |
| 1717 | && (normal_hint->min_height == normal_hint->max_height)) |
| 1718 | hint = (hint & ~HINT_SIZEBOX); |
| 1719 | } |
| 1720 | } |
| 1721 | } |
| 1722 | XFree(normal_hint); |
| 1723 | } |
| 1724 | |
| 1725 | /* |
| 1726 | Override hint settings from above with settings from config file and set |
| 1727 | application id for grouping. |
| 1728 | */ |
| 1729 | { |
| 1730 | XClassHint class_hint = { 0, 0 }; |
| 1731 | char *window_name = 0; |
| 1732 | char *application_id = 0; |
| 1733 | |
| 1734 | if (XGetClassHint(pDisplay, iWindow, &class_hint)) { |
| 1735 | XFetchName(pDisplay, iWindow, &window_name); |
| 1736 | |
| 1737 | style = |
| 1738 | winOverrideStyle(class_hint.res_name, class_hint.res_class, |
| 1739 | window_name); |
| 1740 | |
| 1741 | #define APPLICATION_ID_FORMAT "%s.xwin.%s" |
| 1742 | #define APPLICATION_ID_UNKNOWN "unknown" |
| 1743 | if (class_hint.res_class) { |
| 1744 | asprintf(&application_id, APPLICATION_ID_FORMAT, XVENDORNAME, |
| 1745 | class_hint.res_class); |
| 1746 | } |
| 1747 | else { |
| 1748 | asprintf(&application_id, APPLICATION_ID_FORMAT, XVENDORNAME, |
| 1749 | APPLICATION_ID_UNKNOWN); |
| 1750 | } |
| 1751 | winSetAppUserModelID(hWnd, application_id); |
| 1752 | |
| 1753 | if (class_hint.res_name) |
| 1754 | XFree(class_hint.res_name); |
| 1755 | if (class_hint.res_class) |
| 1756 | XFree(class_hint.res_class); |
| 1757 | if (application_id) |
| 1758 | free(application_id); |
| 1759 | if (window_name) |
| 1760 | XFree(window_name); |
| 1761 | } |
| 1762 | else { |
| 1763 | style = STYLE_NONE; |
| 1764 | } |
| 1765 | } |
| 1766 | |
| 1767 | if (style & STYLE_TOPMOST) |
| 1768 | *zstyle = HWND_TOPMOST; |
| 1769 | else if (style & STYLE_MAXIMIZE) |
| 1770 | maxmin = (hint & ~HINT_MIN) | HINT_MAX; |
| 1771 | else if (style & STYLE_MINIMIZE) |
| 1772 | maxmin = (hint & ~HINT_MAX) | HINT_MIN; |
| 1773 | else if (style & STYLE_BOTTOM) |
| 1774 | *zstyle = HWND_BOTTOM; |
| 1775 | |
| 1776 | if (maxmin & HINT_MAX) |
| 1777 | SendMessage(hWnd, WM_SYSCOMMAND, SC_MAXIMIZE, 0); |
| 1778 | else if (maxmin & HINT_MIN) |
| 1779 | SendMessage(hWnd, WM_SYSCOMMAND, SC_MINIMIZE, 0); |
| 1780 | |
| 1781 | if (style & STYLE_NOTITLE) |
| 1782 | hint = |
| 1783 | (hint & ~HINT_NOFRAME & ~HINT_BORDER & ~HINT_CAPTION) | |
| 1784 | HINT_SIZEBOX; |
| 1785 | else if (style & STYLE_OUTLINE) |
| 1786 | hint = |
| 1787 | (hint & ~HINT_NOFRAME & ~HINT_SIZEBOX & ~HINT_CAPTION) | |
| 1788 | HINT_BORDER; |
| 1789 | else if (style & STYLE_NOFRAME) |
| 1790 | hint = |
| 1791 | (hint & ~HINT_BORDER & ~HINT_CAPTION & ~HINT_SIZEBOX) | |
| 1792 | HINT_NOFRAME; |
| 1793 | |
| 1794 | /* Now apply styles to window */ |
| 1795 | style = GetWindowLongPtr(hWnd, GWL_STYLE); |
| 1796 | if (!style) |
| 1797 | return; /* GetWindowLongPointer returns 0 on failure, we hope this isn't a valid style */ |
| 1798 | |
| 1799 | style &= ~WS_CAPTION & ~WS_SIZEBOX; /* Just in case */ |
| 1800 | |
| 1801 | if (!(hint & ~HINT_SKIPTASKBAR)) /* No hints, default */ |
| 1802 | style = style | WS_CAPTION | WS_SIZEBOX; |
| 1803 | else if (hint & HINT_NOFRAME) /* No frame, no decorations */ |
| 1804 | style = style & ~WS_CAPTION & ~WS_SIZEBOX; |
| 1805 | else |
| 1806 | style = style | ((hint & HINT_BORDER) ? WS_BORDER : 0) | |
| 1807 | ((hint & HINT_SIZEBOX) ? WS_SIZEBOX : 0) | |
| 1808 | ((hint & HINT_CAPTION) ? WS_CAPTION : 0); |
| 1809 | |
| 1810 | if (hint & HINT_NOMAXIMIZE) |
| 1811 | style = style & ~WS_MAXIMIZEBOX; |
| 1812 | |
| 1813 | if (hint & HINT_NOMINIMIZE) |
| 1814 | style = style & ~WS_MINIMIZEBOX; |
| 1815 | |
| 1816 | if (hint & HINT_NOSYSMENU) |
| 1817 | style = style & ~WS_SYSMENU; |
| 1818 | |
| 1819 | if (hint & HINT_SKIPTASKBAR) |
| 1820 | style = style & ~WS_MINIMIZEBOX; /* window will become lost if minimized */ |
| 1821 | |
| 1822 | SetWindowLongPtr(hWnd, GWL_STYLE, style); |
| 1823 | |
| 1824 | exStyle = GetWindowLongPtr(hWnd, GWL_EXSTYLE); |
| 1825 | if (hint & HINT_SKIPTASKBAR) |
| 1826 | exStyle = (exStyle & ~WS_EX_APPWINDOW) | WS_EX_TOOLWINDOW; |
| 1827 | else |
| 1828 | exStyle = (exStyle & ~WS_EX_TOOLWINDOW) | WS_EX_APPWINDOW; |
| 1829 | SetWindowLongPtr(hWnd, GWL_EXSTYLE, exStyle); |
| 1830 | |
| 1831 | winDebug |
| 1832 | ("winApplyHints: iWindow 0x%08x hints 0x%08x style 0x%08x exstyle 0x%08x\n", |
| 1833 | iWindow, hint, style, exStyle); |
| 1834 | } |
| 1835 | |
| 1836 | void |
| 1837 | winUpdateWindowPosition(HWND hWnd, HWND * zstyle) |
| 1838 | { |
| 1839 | int iX, iY, iWidth, iHeight; |
| 1840 | int iDx, iDy; |
| 1841 | RECT rcNew; |
| 1842 | WindowPtr pWin = GetProp(hWnd, WIN_WINDOW_PROP); |
| 1843 | DrawablePtr pDraw = NULL; |
| 1844 | |
| 1845 | if (!pWin) |
| 1846 | return; |
| 1847 | pDraw = &pWin->drawable; |
| 1848 | if (!pDraw) |
| 1849 | return; |
| 1850 | |
| 1851 | /* Get the X and Y location of the X window */ |
| 1852 | iX = pWin->drawable.x + GetSystemMetrics(SM_XVIRTUALSCREEN); |
| 1853 | iY = pWin->drawable.y + GetSystemMetrics(SM_YVIRTUALSCREEN); |
| 1854 | |
| 1855 | /* Get the height and width of the X window */ |
| 1856 | iWidth = pWin->drawable.width; |
| 1857 | iHeight = pWin->drawable.height; |
| 1858 | |
| 1859 | /* Setup a rectangle with the X window position and size */ |
| 1860 | SetRect(&rcNew, iX, iY, iX + iWidth, iY + iHeight); |
| 1861 | |
| 1862 | winDebug("winUpdateWindowPosition - drawable extent (%d, %d)-(%d, %d)\n", |
| 1863 | rcNew.left, rcNew.top, rcNew.right, rcNew.bottom); |
| 1864 | |
| 1865 | AdjustWindowRectEx(&rcNew, GetWindowLongPtr(hWnd, GWL_STYLE), FALSE, |
| 1866 | GetWindowLongPtr(hWnd, GWL_EXSTYLE)); |
| 1867 | |
| 1868 | /* Don't allow window decoration to disappear off to top-left as a result of this adjustment */ |
| 1869 | if (rcNew.left < GetSystemMetrics(SM_XVIRTUALSCREEN)) { |
| 1870 | iDx = GetSystemMetrics(SM_XVIRTUALSCREEN) - rcNew.left; |
| 1871 | rcNew.left += iDx; |
| 1872 | rcNew.right += iDx; |
| 1873 | } |
| 1874 | |
| 1875 | if (rcNew.top < GetSystemMetrics(SM_YVIRTUALSCREEN)) { |
| 1876 | iDy = GetSystemMetrics(SM_YVIRTUALSCREEN) - rcNew.top; |
| 1877 | rcNew.top += iDy; |
| 1878 | rcNew.bottom += iDy; |
| 1879 | } |
| 1880 | |
| 1881 | winDebug("winUpdateWindowPosition - Window extent (%d, %d)-(%d, %d)\n", |
| 1882 | rcNew.left, rcNew.top, rcNew.right, rcNew.bottom); |
| 1883 | |
| 1884 | /* Position the Windows window */ |
| 1885 | SetWindowPos(hWnd, *zstyle, rcNew.left, rcNew.top, |
| 1886 | rcNew.right - rcNew.left, rcNew.bottom - rcNew.top, 0); |
| 1887 | |
| 1888 | } |