1 | /******************************************************************** |
2 | KWin - the KDE window manager |
3 | This file is part of the KDE project. |
4 | |
5 | Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org> |
6 | Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org> |
7 | |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by |
10 | the Free Software Foundation; either version 2 of the License, or |
11 | (at your option) any later version. |
12 | |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. |
17 | |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
20 | *********************************************************************/ |
21 | |
22 | #include "main.h" |
23 | |
24 | //#define QT_CLEAN_NAMESPACE |
25 | #include <ksharedconfig.h> |
26 | |
27 | #include <kglobal.h> |
28 | #include <klocale.h> |
29 | #include <stdlib.h> |
30 | #include <kcmdlineargs.h> |
31 | #include <kaboutdata.h> |
32 | #include <kcrash.h> |
33 | #include <signal.h> |
34 | #include <fcntl.h> |
35 | #include <QX11Info> |
36 | #include <stdio.h> |
37 | #include <fixx11h.h> |
38 | #include <kxerrorhandler.h> |
39 | #include <kdefakes.h> |
40 | #include <QtDBus/QtDBus> |
41 | #include <QMessageBox> |
42 | #include <QEvent> |
43 | |
44 | #include <kdialog.h> |
45 | #include <kstandarddirs.h> |
46 | #include <kdebug.h> |
47 | #include <kde_file.h> |
48 | #include <QLabel> |
49 | #include <KComboBox> |
50 | #include <QVBoxLayout> |
51 | |
52 | #include "config-workspace.h" |
53 | |
54 | #ifdef HAVE_UNISTD_H |
55 | #include <unistd.h> |
56 | #endif // HAVE_UNISTD_H |
57 | |
58 | #ifdef HAVE_MALLOC_H |
59 | #include <malloc.h> |
60 | #endif // HAVE_MALLOC_H |
61 | |
62 | #include <ksmserver_interface.h> |
63 | |
64 | #include "atoms.h" |
65 | #include "options.h" |
66 | #include "sm.h" |
67 | #include "utils.h" |
68 | #include "effects.h" |
69 | #include "workspace.h" |
70 | #include "xcbutils.h" |
71 | |
72 | #define INT8 _X11INT8 |
73 | #define INT32 _X11INT32 |
74 | #include <X11/Xproto.h> |
75 | #undef INT8 |
76 | #undef INT32 |
77 | |
78 | static bool isMultiHead() |
79 | { |
80 | QByteArray multiHead = qgetenv("KDE_MULTIHEAD" ); |
81 | if (!multiHead.isEmpty()) { |
82 | return (multiHead.toLower() == "true" ); |
83 | } |
84 | return true; |
85 | } |
86 | |
87 | namespace KWin |
88 | { |
89 | |
90 | Options* options; |
91 | |
92 | Atoms* atoms; |
93 | |
94 | int screen_number = -1; |
95 | bool is_multihead = false; |
96 | |
97 | bool initting = false; |
98 | |
99 | /** |
100 | * Whether to run Xlib in synchronous mode and print backtraces for X errors. |
101 | * Note that you most probably need to configure cmake with "-D__KDE_HAVE_GCC_VISIBILITY=0" |
102 | * and -rdynamic in CXXFLAGS for kBacktrace() to work. |
103 | */ |
104 | static bool kwin_sync = false; |
105 | |
106 | //************************************ |
107 | // KWinSelectionOwner |
108 | //************************************ |
109 | |
110 | KWinSelectionOwner::KWinSelectionOwner(int screen_P) |
111 | : KSelectionOwner(make_selection_atom(screen_P), screen_P) |
112 | { |
113 | } |
114 | |
115 | Atom KWinSelectionOwner::make_selection_atom(int screen_P) |
116 | { |
117 | if (screen_P < 0) |
118 | screen_P = DefaultScreen(display()); |
119 | char tmp[ 30 ]; |
120 | sprintf(tmp, "WM_S%d" , screen_P); |
121 | return XInternAtom(display(), tmp, False); |
122 | } |
123 | |
124 | void KWinSelectionOwner::getAtoms() |
125 | { |
126 | KSelectionOwner::getAtoms(); |
127 | if (xa_version == None) { |
128 | Atom atoms[ 1 ]; |
129 | const char* const names[] = |
130 | { "VERSION" }; |
131 | XInternAtoms(display(), const_cast< char** >(names), 1, False, atoms); |
132 | xa_version = atoms[ 0 ]; |
133 | } |
134 | } |
135 | |
136 | void KWinSelectionOwner::replyTargets(Atom property_P, Window requestor_P) |
137 | { |
138 | KSelectionOwner::replyTargets(property_P, requestor_P); |
139 | Atom atoms[ 1 ] = { xa_version }; |
140 | // PropModeAppend ! |
141 | XChangeProperty(display(), requestor_P, property_P, XA_ATOM, 32, PropModeAppend, |
142 | reinterpret_cast< unsigned char* >(atoms), 1); |
143 | } |
144 | |
145 | bool KWinSelectionOwner::genericReply(Atom target_P, Atom property_P, Window requestor_P) |
146 | { |
147 | if (target_P == xa_version) { |
148 | long version[] = { 2, 0 }; |
149 | XChangeProperty(display(), requestor_P, property_P, XA_INTEGER, 32, |
150 | PropModeReplace, reinterpret_cast< unsigned char* >(&version), 2); |
151 | } else |
152 | return KSelectionOwner::genericReply(target_P, property_P, requestor_P); |
153 | return true; |
154 | } |
155 | |
156 | Atom KWinSelectionOwner::xa_version = None; |
157 | |
158 | // errorMessage is only used ifndef NDEBUG, and only in one place. |
159 | // it might be worth reevaluating why this is used? I don't know. |
160 | #ifndef NDEBUG |
161 | /** |
162 | * Outputs: "Error: <error> (<value>), Request: <request>(<value>), Resource: <value>" |
163 | */ |
164 | // This is copied from KXErrorHandler and modified to explicitly use known extensions |
165 | static QByteArray errorMessage(const XErrorEvent& event, Display* dpy) |
166 | { |
167 | QByteArray ret; |
168 | char tmp[256]; |
169 | char num[256]; |
170 | if (event.request_code < 128) { |
171 | // Core request |
172 | XGetErrorText(dpy, event.error_code, tmp, 255); |
173 | // The explanation in parentheses just makes |
174 | // it more verbose and is not really useful |
175 | if (char* paren = strchr(tmp, '(')) |
176 | * paren = '\0'; |
177 | // The various casts are to get overloads non-ambiguous :-/ |
178 | ret = QByteArray("error: " ) + (const char*)(tmp) + '[' + QByteArray::number(event.error_code) + ']'; |
179 | sprintf(num, "%d" , event.request_code); |
180 | XGetErrorDatabaseText(dpy, "XRequest" , num, "<unknown>" , tmp, 256); |
181 | ret += QByteArray(", request: " ) + (const char*)(tmp) + '[' + QByteArray::number(event.request_code) + ']'; |
182 | if (event.resourceid != 0) |
183 | ret += QByteArray(", resource: 0x" ) + QByteArray::number(qlonglong(event.resourceid), 16); |
184 | } else { // Extensions |
185 | // XGetErrorText() currently has a bug that makes it fail to find text |
186 | // for some errors (when error==error_base), also XGetErrorDatabaseText() |
187 | // requires the right extension name, so it is needed to get info about |
188 | // all extensions. However that is almost impossible: |
189 | // - Xlib itself has it, but in internal data. |
190 | // - Opening another X connection now can cause deadlock with server grabs. |
191 | // - Fetching it at startup means a bunch of roundtrips. |
192 | |
193 | // KWin here explicitly uses known extensions. |
194 | XGetErrorText(dpy, event.error_code, tmp, 255); |
195 | int index = -1; |
196 | int base = 0; |
197 | QVector<Xcb::ExtensionData> extensions = Xcb::Extensions::self()->extensions(); |
198 | for (int i = 0; i < extensions.size(); ++i) { |
199 | const Xcb::ExtensionData &extension = extensions.at(i); |
200 | if (extension.errorBase != 0 && |
201 | event.error_code >= extension.errorBase && (index == -1 || extension.errorBase > base)) { |
202 | index = i; |
203 | base = extension.errorBase; |
204 | } |
205 | } |
206 | if (tmp == QString::number(event.error_code)) { |
207 | // XGetErrorText() failed or it has a bug that causes not finding all errors, check ourselves |
208 | if (index != -1) { |
209 | snprintf(num, 255, "%s.%d" , extensions.at(index).name.constData(), event.error_code - base); |
210 | XGetErrorDatabaseText(dpy, "XProtoError" , num, "<unknown>" , tmp, 255); |
211 | } else |
212 | strcpy(tmp, "<unknown>" ); |
213 | } |
214 | if (char* paren = strchr(tmp, '(')) |
215 | * paren = '\0'; |
216 | if (index != -1) |
217 | ret = QByteArray("error: " ) + (const char*)(tmp) + '[' + extensions.at(index).name + |
218 | '+' + QByteArray::number(event.error_code - base) + ']'; |
219 | else |
220 | ret = QByteArray("error: " ) + (const char*)(tmp) + '[' + QByteArray::number(event.error_code) + ']'; |
221 | tmp[0] = '\0'; |
222 | for (int i = 0; i < extensions.size(); ++i) |
223 | if (extensions.at(i).majorOpcode == event.request_code) { |
224 | snprintf(num, 255, "%s.%d" , extensions.at(i).name.constData(), event.minor_code); |
225 | XGetErrorDatabaseText(dpy, "XRequest" , num, "<unknown>" , tmp, 255); |
226 | ret += QByteArray(", request: " ) + (const char*)(tmp) + '[' + |
227 | extensions.at(i).name + '+' + QByteArray::number(event.minor_code) + ']'; |
228 | } |
229 | if (tmp[0] == '\0') // Not found? |
230 | ret += QByteArray(", request <unknown> [" ) + QByteArray::number(event.request_code) + ':' |
231 | + QByteArray::number(event.minor_code) + ']'; |
232 | if (event.resourceid != 0) |
233 | ret += QByteArray(", resource: 0x" ) + QByteArray::number(qlonglong(event.resourceid), 16); |
234 | } |
235 | return ret; |
236 | } |
237 | #endif |
238 | |
239 | static int x11ErrorHandler(Display* d, XErrorEvent* e) |
240 | { |
241 | Q_UNUSED(d); |
242 | bool ignore_badwindow = true; // Might be temporary |
243 | |
244 | if (initting && (e->request_code == X_ChangeWindowAttributes || e->request_code == X_GrabKey) && |
245 | e->error_code == BadAccess) { |
246 | fputs(i18n("kwin: it looks like there's already a window manager running. kwin not started.\n" ).toLocal8Bit(), stderr); |
247 | exit(1); |
248 | } |
249 | |
250 | if (ignore_badwindow && (e->error_code == BadWindow || e->error_code == BadColor)) |
251 | return 0; |
252 | |
253 | #ifndef NDEBUG |
254 | //fprintf( stderr, "kwin: X Error (%s)\n", KXErrorHandler::errorMessage( *e, d ).data()); |
255 | kWarning(1212) << "kwin: X Error (" << errorMessage(*e, d) << ")" ; |
256 | #endif |
257 | |
258 | if (kwin_sync) |
259 | fprintf(stderr, "%s\n" , kBacktrace().toLocal8Bit().data()); |
260 | |
261 | return 0; |
262 | } |
263 | |
264 | class AlternativeWMDialog : public KDialog |
265 | { |
266 | public: |
267 | AlternativeWMDialog() |
268 | : KDialog() { |
269 | setButtons(KDialog::Ok | KDialog::Cancel); |
270 | |
271 | QWidget* mainWidget = new QWidget(this); |
272 | QVBoxLayout* layout = new QVBoxLayout(mainWidget); |
273 | QString text = i18n( |
274 | "KWin is unstable.\n" |
275 | "It seems to have crashed several times in a row.\n" |
276 | "You can select another window manager to run:" ); |
277 | QLabel* textLabel = new QLabel(text, mainWidget); |
278 | layout->addWidget(textLabel); |
279 | wmList = new KComboBox(mainWidget); |
280 | wmList->setEditable(true); |
281 | layout->addWidget(wmList); |
282 | |
283 | addWM("metacity" ); |
284 | addWM("openbox" ); |
285 | addWM("fvwm2" ); |
286 | addWM(KWIN_NAME); |
287 | |
288 | setMainWidget(mainWidget); |
289 | |
290 | raise(); |
291 | centerOnScreen(this); |
292 | } |
293 | |
294 | void addWM(const QString& wm) { |
295 | // TODO: Check if WM is installed |
296 | if (!KStandardDirs::findExe(wm).isEmpty()) |
297 | wmList->addItem(wm); |
298 | } |
299 | QString selectedWM() const { |
300 | return wmList->currentText(); |
301 | } |
302 | |
303 | private: |
304 | KComboBox* wmList; |
305 | }; |
306 | |
307 | int Application::crashes = 0; |
308 | |
309 | Application::Application() |
310 | : KApplication() |
311 | , owner(screen_number) |
312 | { |
313 | if (KCmdLineArgs::parsedArgs("qt" )->isSet("sync" )) { |
314 | kwin_sync = true; |
315 | XSynchronize(display(), True); |
316 | kDebug(1212) << "Running KWin in sync mode" ; |
317 | } |
318 | setQuitOnLastWindowClosed(false); |
319 | KCmdLineArgs* args = KCmdLineArgs::parsedArgs(); |
320 | KSharedConfig::Ptr config = KGlobal::config(); |
321 | if (!config->isImmutable() && args->isSet("lock" )) { |
322 | // TODO: This shouldn't be necessary |
323 | //config->setReadOnly( true ); |
324 | config->reparseConfiguration(); |
325 | } |
326 | |
327 | if (screen_number == -1) |
328 | screen_number = DefaultScreen(display()); |
329 | |
330 | if (!owner.claim(args->isSet("replace" ), true)) { |
331 | fputs(i18n("kwin: unable to claim manager selection, another wm running? (try using --replace)\n" ).toLocal8Bit(), stderr); |
332 | ::exit(1); |
333 | } |
334 | connect(&owner, SIGNAL(lostOwnership()), SLOT(lostSelection())); |
335 | |
336 | KCrash::setEmergencySaveFunction(Application::crashHandler); |
337 | crashes = args->getOption("crashes" ).toInt(); |
338 | if (crashes >= 4) { |
339 | // Something has gone seriously wrong |
340 | AlternativeWMDialog dialog; |
341 | QString cmd = KWIN_NAME; |
342 | if (dialog.exec() == QDialog::Accepted) |
343 | cmd = dialog.selectedWM(); |
344 | else |
345 | ::exit(1); |
346 | if (cmd.length() > 500) { |
347 | kDebug(1212) << "Command is too long, truncating" ; |
348 | cmd = cmd.left(500); |
349 | } |
350 | kDebug(1212) << "Starting" << cmd << "and exiting" ; |
351 | char buf[1024]; |
352 | sprintf(buf, "%s &" , cmd.toAscii().data()); |
353 | system(buf); |
354 | ::exit(1); |
355 | } |
356 | if (crashes >= 2) { |
357 | // Disable compositing if we have had too many crashes |
358 | kDebug(1212) << "Too many crashes recently, disabling compositing" ; |
359 | KConfigGroup compgroup(config, "Compositing" ); |
360 | compgroup.writeEntry("Enabled" , false); |
361 | } |
362 | // Reset crashes count if we stay up for more that 15 seconds |
363 | QTimer::singleShot(15 * 1000, this, SLOT(resetCrashesCount())); |
364 | |
365 | initting = true; // Startup... |
366 | // first load options - done internally by a different thread |
367 | options = new Options; |
368 | |
369 | // Install X11 error handler |
370 | XSetErrorHandler(x11ErrorHandler); |
371 | |
372 | // Check whether another windowmanager is running |
373 | XSelectInput(display(), rootWindow(), SubstructureRedirectMask); |
374 | syncX(); // Trigger error now |
375 | |
376 | atoms = new Atoms; |
377 | |
378 | // initting = false; // TODO |
379 | |
380 | // This tries to detect compositing options and can use GLX. GLX problems |
381 | // (X errors) shouldn't cause kwin to abort, so this is out of the |
382 | // critical startup section where x errors cause kwin to abort. |
383 | |
384 | // create workspace. |
385 | (void) new Workspace(isSessionRestored()); |
386 | |
387 | syncX(); // Trigger possible errors, there's still a chance to abort |
388 | |
389 | initting = false; // Startup done, we are up and running now. |
390 | |
391 | XEvent e; |
392 | e.xclient.type = ClientMessage; |
393 | e.xclient.message_type = XInternAtom(display(), "_KDE_SPLASH_PROGRESS" , False); |
394 | e.xclient.display = display(); |
395 | e.xclient.window = rootWindow(); |
396 | e.xclient.format = 8; |
397 | strcpy(e.xclient.data.b, "wm" ); |
398 | XSendEvent(display(), rootWindow(), False, SubstructureNotifyMask, &e); |
399 | } |
400 | |
401 | Application::~Application() |
402 | { |
403 | delete Workspace::self(); |
404 | if (owner.ownerWindow() != None) // If there was no --replace (no new WM) |
405 | XSetInputFocus(display(), PointerRoot, RevertToPointerRoot, xTime()); |
406 | delete options; |
407 | delete effects; |
408 | delete atoms; |
409 | } |
410 | |
411 | void Application::lostSelection() |
412 | { |
413 | sendPostedEvents(); |
414 | delete Workspace::self(); |
415 | // Remove windowmanager privileges |
416 | XSelectInput(display(), rootWindow(), PropertyChangeMask); |
417 | quit(); |
418 | } |
419 | |
420 | bool Application::x11EventFilter(XEvent* e) |
421 | { |
422 | if (Workspace::self() && Workspace::self()->workspaceEvent(e)) |
423 | return true; |
424 | return KApplication::x11EventFilter(e); |
425 | } |
426 | |
427 | bool Application::notify(QObject* o, QEvent* e) |
428 | { |
429 | if (Workspace::self()->workspaceEvent(e)) |
430 | return true; |
431 | return KApplication::notify(o, e); |
432 | } |
433 | |
434 | static void sighandler(int) |
435 | { |
436 | QApplication::exit(); |
437 | } |
438 | |
439 | void Application::crashHandler(int signal) |
440 | { |
441 | crashes++; |
442 | |
443 | fprintf(stderr, "Application::crashHandler() called with signal %d; recent crashes: %d\n" , signal, crashes); |
444 | char cmd[1024]; |
445 | sprintf(cmd, "%s --crashes %d &" , |
446 | QFile::encodeName(QCoreApplication::applicationFilePath()).constData(), crashes); |
447 | |
448 | sleep(1); |
449 | system(cmd); |
450 | } |
451 | |
452 | void Application::resetCrashesCount() |
453 | { |
454 | crashes = 0; |
455 | } |
456 | |
457 | } // namespace |
458 | |
459 | static const char version[] = KWIN_VERSION_STRING; |
460 | static const char description[] = I18N_NOOP("KDE window manager" ); |
461 | |
462 | extern "C" |
463 | KDE_EXPORT int kdemain(int argc, char * argv[]) |
464 | { |
465 | #ifdef M_TRIM_THRESHOLD |
466 | // Prevent fragmentation of the heap by malloc (glibc). |
467 | // |
468 | // The default threshold is 128*1024, which can result in a large memory usage |
469 | // due to fragmentation especially if we use the raster graphicssystem. On the |
470 | // otherside if the threshold is too low, free() starts to permanently ask the kernel |
471 | // about shrinking the heap. |
472 | #ifdef HAVE_UNISTD_H |
473 | const int pagesize = sysconf(_SC_PAGESIZE); |
474 | #else |
475 | const int pagesize = 4*1024; |
476 | #endif // HAVE_UNISTD_H |
477 | mallopt(M_TRIM_THRESHOLD, 5*pagesize); |
478 | #endif // M_TRIM_THRESHOLD |
479 | |
480 | // the raster graphicssystem has a quite terrible performance on the XRender backend or when not |
481 | // compositing at all while some to many decorations suffer from bad performance of the native |
482 | // graphicssystem (lack of implementation, QGradient internally uses the raster system and |
483 | // XPutImage's the result because some graphics drivers have insufficient or bad performing |
484 | // implementations of XRenderCreate*Gradient) |
485 | // |
486 | // Therefore we allow configurationa and do some automagic selection to discourage |
487 | // ""known to be stupid" ideas ;-P |
488 | // The invalid system parameter "" will use the systems default graphicssystem |
489 | // "!= XRender" is intended since eg. pot. SW backends likely would profit from raster as well |
490 | KConfigGroup config(KSharedConfig::openConfig(KWIN_CONFIG), "Compositing" ); |
491 | QString preferredSystem("native" ); |
492 | if (config.readEntry("Enabled" , true) && config.readEntry("Backend" , "OpenGL" ) != "XRender" ) |
493 | preferredSystem = "" ; |
494 | QApplication::setGraphicsSystem(config.readEntry("GraphicsSystem" , preferredSystem)); |
495 | |
496 | Display* dpy = XOpenDisplay(NULL); |
497 | if (!dpy) { |
498 | fprintf(stderr, "%s: FATAL ERROR while trying to open display %s\n" , |
499 | argv[0], XDisplayName(NULL)); |
500 | exit(1); |
501 | } |
502 | |
503 | int number_of_screens = ScreenCount(dpy); |
504 | |
505 | // multi head |
506 | if (number_of_screens != 1 && isMultiHead()) { |
507 | KWin::is_multihead = true; |
508 | KWin::screen_number = DefaultScreen(dpy); |
509 | int pos; // Temporarily needed to reconstruct DISPLAY var if multi-head |
510 | QByteArray display_name = XDisplayString(dpy); |
511 | XCloseDisplay(dpy); |
512 | dpy = 0; |
513 | |
514 | if ((pos = display_name.lastIndexOf('.')) != -1) |
515 | display_name.remove(pos, 10); // 10 is enough to be sure we removed ".s" |
516 | |
517 | QString envir; |
518 | for (int i = 0; i < number_of_screens; i++) { |
519 | // If execution doesn't pass by here, then kwin |
520 | // acts exactly as previously |
521 | if (i != KWin::screen_number && fork() == 0) { |
522 | KWin::screen_number = i; |
523 | // Break here because we are the child process, we don't |
524 | // want to fork() anymore |
525 | break; |
526 | } |
527 | } |
528 | // In the next statement, display_name shouldn't contain a screen |
529 | // number. If it had it, it was removed at the "pos" check |
530 | envir.sprintf("DISPLAY=%s.%d" , display_name.data(), KWin::screen_number); |
531 | |
532 | if (putenv(strdup(envir.toAscii()))) { |
533 | fprintf(stderr, "%s: WARNING: unable to set DISPLAY environment variable\n" , argv[0]); |
534 | perror("putenv()" ); |
535 | } |
536 | } |
537 | |
538 | KAboutData aboutData( |
539 | KWIN_NAME, // The program name used internally |
540 | 0, // The message catalog name. If null, program name is used instead |
541 | ki18n("KWin" ), // A displayable program name string |
542 | version, // The program version string |
543 | ki18n(description), // Short description of what the app does |
544 | KAboutData::License_GPL, // The license this code is released under |
545 | ki18n("(c) 1999-2008, The KDE Developers" )); // Copyright Statement |
546 | aboutData.addAuthor(ki18n("Matthias Ettrich" ), KLocalizedString(), "ettrich@kde.org" ); |
547 | aboutData.addAuthor(ki18n("Cristian Tibirna" ), KLocalizedString(), "tibirna@kde.org" ); |
548 | aboutData.addAuthor(ki18n("Daniel M. Duley" ), KLocalizedString(), "mosfet@kde.org" ); |
549 | aboutData.addAuthor(ki18n("Luboš Luňák" ), KLocalizedString(), "l.lunak@kde.org" ); |
550 | aboutData.addAuthor(ki18n("Martin Gräßlin" ), ki18n("Maintainer" ), "mgraesslin@kde.org" ); |
551 | |
552 | KCmdLineArgs::init(argc, argv, &aboutData); |
553 | |
554 | KCmdLineOptions args; |
555 | args.add("lock" , ki18n("Disable configuration options" )); |
556 | args.add("replace" , ki18n("Replace already-running ICCCM2.0-compliant window manager" )); |
557 | args.add("crashes <n>" , ki18n("Indicate that KWin has recently crashed n times" )); |
558 | KCmdLineArgs::addCmdLineOptions(args); |
559 | |
560 | if (KDE_signal(SIGTERM, KWin::sighandler) == SIG_IGN) |
561 | KDE_signal(SIGTERM, SIG_IGN); |
562 | if (KDE_signal(SIGINT, KWin::sighandler) == SIG_IGN) |
563 | KDE_signal(SIGINT, SIG_IGN); |
564 | if (KDE_signal(SIGHUP, KWin::sighandler) == SIG_IGN) |
565 | KDE_signal(SIGHUP, SIG_IGN); |
566 | |
567 | // Disable the glib event loop integration, since it seems to be responsible |
568 | // for several bug reports about high CPU usage (bug #239963) |
569 | setenv("QT_NO_GLIB" , "1" , true); |
570 | |
571 | org::kde::KSMServerInterface ksmserver("org.kde.ksmserver" , "/KSMServer" , QDBusConnection::sessionBus()); |
572 | ksmserver.suspendStartup(KWIN_NAME); |
573 | KWin::Application a; |
574 | |
575 | ksmserver.resumeStartup(KWIN_NAME); |
576 | KWin::SessionManager weAreIndeed; |
577 | KWin::SessionSaveDoneHelper helper; |
578 | KGlobal::locale()->insertCatalog("kwin_effects" ); |
579 | KGlobal::locale()->insertCatalog("kwin_scripts" ); |
580 | KGlobal::locale()->insertCatalog("kwin_scripting" ); |
581 | |
582 | // Announce when KWIN_DIRECT_GL is set for above HACK |
583 | if (qstrcmp(qgetenv("KWIN_DIRECT_GL" ), "1" ) == 0) |
584 | kDebug(1212) << "KWIN_DIRECT_GL set, not forcing LIBGL_ALWAYS_INDIRECT=1" ; |
585 | |
586 | fcntl(XConnectionNumber(KWin::display()), F_SETFD, 1); |
587 | |
588 | QString appname; |
589 | if (KWin::screen_number == 0) |
590 | appname = "org.kde.kwin" ; |
591 | else |
592 | appname.sprintf("org.kde.kwin-screen-%d" , KWin::screen_number); |
593 | |
594 | QDBusConnection::sessionBus().interface()->registerService( |
595 | appname, QDBusConnectionInterface::DontQueueService); |
596 | |
597 | return a.exec(); |
598 | } |
599 | |
600 | #include "main.moc" |
601 | |