1 | // Copyright (C) 2016 The Qt Company Ltd. |
---|---|
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #include "qxcbintegration.h" |
5 | #include "qxcbconnection.h" |
6 | #include "qxcbscreen.h" |
7 | #include "qxcbwindow.h" |
8 | #include "qxcbcursor.h" |
9 | #include "qxcbkeyboard.h" |
10 | #include "qxcbbackingstore.h" |
11 | #include "qxcbnativeinterface.h" |
12 | #include "qxcbclipboard.h" |
13 | #include "qxcbeventqueue.h" |
14 | #include "qxcbeventdispatcher.h" |
15 | #if QT_CONFIG(draganddrop) |
16 | #include "qxcbdrag.h" |
17 | #endif |
18 | #include "qxcbglintegration.h" |
19 | |
20 | #ifndef QT_NO_SESSIONMANAGER |
21 | #include "qxcbsessionmanager.h" |
22 | #endif |
23 | #include "qxcbxsettings.h" |
24 | |
25 | #include <xcb/xcb.h> |
26 | |
27 | #include <QtGui/private/qgenericunixfontdatabase_p.h> |
28 | #include <QtGui/private/qgenericunixservices_p.h> |
29 | |
30 | #include <stdio.h> |
31 | |
32 | #include <QtGui/private/qguiapplication_p.h> |
33 | |
34 | #if QT_CONFIG(xcb_xlib) |
35 | #define register /* C++17 deprecated register */ |
36 | #include <X11/Xlib.h> |
37 | #undef register |
38 | #endif |
39 | #if QT_CONFIG(xcb_native_painting) |
40 | #include "qxcbnativepainting.h" |
41 | #include "qpixmap_x11_p.h" |
42 | #include "qbackingstore_x11_p.h" |
43 | #endif |
44 | |
45 | #include <qpa/qplatforminputcontextfactory_p.h> |
46 | #include <private/qgenericunixthemes_p.h> |
47 | #include <qpa/qplatforminputcontext.h> |
48 | |
49 | #include <QtGui/QOpenGLContext> |
50 | #include <QtGui/QScreen> |
51 | #include <QtGui/QOffscreenSurface> |
52 | #if QT_CONFIG(accessibility) |
53 | #include <qpa/qplatformaccessibility.h> |
54 | #if QT_CONFIG(accessibility_atspi_bridge) |
55 | #include <QtGui/private/qspiaccessiblebridge_p.h> |
56 | #endif |
57 | #endif |
58 | |
59 | #include <QtCore/QFileInfo> |
60 | |
61 | #if QT_CONFIG(vulkan) |
62 | #include "qxcbvulkaninstance.h" |
63 | #include "qxcbvulkanwindow.h" |
64 | #endif |
65 | |
66 | QT_BEGIN_NAMESPACE |
67 | |
68 | using namespace Qt::StringLiterals; |
69 | |
70 | // Find out if our parent process is gdb by looking at the 'exe' symlink under /proc,. |
71 | // or, for older Linuxes, read out 'cmdline'. |
72 | static bool runningUnderDebugger() |
73 | { |
74 | #if defined(QT_DEBUG) && defined(Q_OS_LINUX) |
75 | const QString parentProc = "/proc/"_L1+ QString::number(getppid()); |
76 | const QFileInfo parentProcExe(parentProc + "/exe"_L1); |
77 | if (parentProcExe.isSymLink()) |
78 | return parentProcExe.symLinkTarget().endsWith(s: "/gdb"_L1); |
79 | QFile f(parentProc + "/cmdline"_L1); |
80 | if (!f.open(flags: QIODevice::ReadOnly)) |
81 | return false; |
82 | QByteArray s; |
83 | char c; |
84 | while (f.getChar(c: &c) && c) { |
85 | if (c == '/') |
86 | s.clear(); |
87 | else |
88 | s += c; |
89 | } |
90 | return s == "gdb"; |
91 | #else |
92 | return false; |
93 | #endif |
94 | } |
95 | |
96 | class QXcbUnixServices : public QGenericUnixServices |
97 | { |
98 | public: |
99 | QString portalWindowIdentifier(QWindow *window) override; |
100 | }; |
101 | |
102 | |
103 | QXcbIntegration *QXcbIntegration::m_instance = nullptr; |
104 | |
105 | QXcbIntegration::QXcbIntegration(const QStringList ¶meters, int &argc, char **argv) |
106 | : m_services(new QXcbUnixServices) |
107 | , m_instanceName(nullptr) |
108 | , m_canGrab(true) |
109 | , m_defaultVisualId(UINT_MAX) |
110 | { |
111 | Q_UNUSED(parameters); |
112 | |
113 | m_instance = this; |
114 | qApp->setAttribute(attribute: Qt::AA_CompressHighFrequencyEvents, on: true); |
115 | |
116 | qRegisterMetaType<QXcbWindow*>(); |
117 | #if QT_CONFIG(xcb_xlib) |
118 | XInitThreads(); |
119 | #endif |
120 | m_nativeInterface.reset(other: new QXcbNativeInterface); |
121 | |
122 | // Parse arguments |
123 | const char *displayName = nullptr; |
124 | bool noGrabArg = false; |
125 | bool doGrabArg = false; |
126 | if (argc) { |
127 | int j = 1; |
128 | for (int i = 1; i < argc; i++) { |
129 | QByteArray arg(argv[i]); |
130 | if (arg.startsWith(bv: "--")) |
131 | arg.remove(index: 0, len: 1); |
132 | if (arg == "-display"&& i < argc - 1) |
133 | displayName = argv[++i]; |
134 | else if (arg == "-name"&& i < argc - 1) |
135 | m_instanceName = argv[++i]; |
136 | else if (arg == "-nograb") |
137 | noGrabArg = true; |
138 | else if (arg == "-dograb") |
139 | doGrabArg = true; |
140 | else if (arg == "-visual"&& i < argc - 1) { |
141 | bool ok = false; |
142 | m_defaultVisualId = QByteArray(argv[++i]).toUInt(ok: &ok, base: 0); |
143 | if (!ok) |
144 | m_defaultVisualId = UINT_MAX; |
145 | } |
146 | else |
147 | argv[j++] = argv[i]; |
148 | } |
149 | argc = j; |
150 | } // argc |
151 | |
152 | bool underDebugger = runningUnderDebugger(); |
153 | if (noGrabArg && doGrabArg && underDebugger) { |
154 | qWarning(msg: "Both -nograb and -dograb command line arguments specified. Please pick one. -nograb takes precedence"); |
155 | doGrabArg = false; |
156 | } |
157 | |
158 | #if defined(QT_DEBUG) |
159 | if (!noGrabArg && !doGrabArg && underDebugger) { |
160 | qCDebug(lcQpaXcb, "Qt: gdb: -nograb added to command-line options.\n" |
161 | "\t Use the -dograb option to enforce grabbing."); |
162 | } |
163 | #endif |
164 | m_canGrab = (!underDebugger && !noGrabArg) || (underDebugger && doGrabArg); |
165 | |
166 | static bool canNotGrabEnv = qEnvironmentVariableIsSet(varName: "QT_XCB_NO_GRAB_SERVER"); |
167 | if (canNotGrabEnv) |
168 | m_canGrab = false; |
169 | |
170 | m_connection = new QXcbConnection(m_nativeInterface.data(), m_canGrab, m_defaultVisualId, displayName); |
171 | if (!m_connection->isConnected()) { |
172 | delete m_connection; |
173 | m_connection = nullptr; |
174 | return; |
175 | } |
176 | |
177 | m_fontDatabase.reset(other: new QGenericUnixFontDatabase()); |
178 | |
179 | #if QT_CONFIG(xcb_native_painting) |
180 | if (nativePaintingEnabled()) { |
181 | qCDebug(lcQpaXcb, "QXCB USING NATIVE PAINTING"); |
182 | qt_xcb_native_x11_info_init(connection()); |
183 | } |
184 | #endif |
185 | } |
186 | |
187 | QXcbIntegration::~QXcbIntegration() |
188 | { |
189 | delete m_connection; |
190 | m_connection = nullptr; |
191 | m_instance = nullptr; |
192 | } |
193 | |
194 | QPlatformPixmap *QXcbIntegration::createPlatformPixmap(QPlatformPixmap::PixelType type) const |
195 | { |
196 | #if QT_CONFIG(xcb_native_painting) |
197 | if (nativePaintingEnabled()) |
198 | return new QX11PlatformPixmap(type); |
199 | #endif |
200 | |
201 | return QPlatformIntegration::createPlatformPixmap(type); |
202 | } |
203 | |
204 | QPlatformWindow *QXcbIntegration::createPlatformWindow(QWindow *window) const |
205 | { |
206 | QXcbGlIntegration *glIntegration = nullptr; |
207 | const bool isTrayIconWindow = QXcbWindow::isTrayIconWindow(window); |
208 | if (window->type() != Qt::Desktop && !isTrayIconWindow) { |
209 | if (window->supportsOpenGL()) { |
210 | glIntegration = connection()->glIntegration(); |
211 | if (glIntegration) { |
212 | QXcbWindow *xcbWindow = glIntegration->createWindow(window); |
213 | xcbWindow->create(); |
214 | return xcbWindow; |
215 | } |
216 | #if QT_CONFIG(vulkan) |
217 | } else if (window->surfaceType() == QSurface::VulkanSurface) { |
218 | QXcbWindow *xcbWindow = new QXcbVulkanWindow(window); |
219 | xcbWindow->create(); |
220 | return xcbWindow; |
221 | #endif |
222 | } |
223 | } |
224 | |
225 | Q_ASSERT(window->type() == Qt::Desktop || isTrayIconWindow || !window->supportsOpenGL() |
226 | || (!glIntegration && window->surfaceType() == QSurface::RasterGLSurface)); // for VNC |
227 | QXcbWindow *xcbWindow = new QXcbWindow(window); |
228 | xcbWindow->create(); |
229 | return xcbWindow; |
230 | } |
231 | |
232 | QPlatformWindow *QXcbIntegration::createForeignWindow(QWindow *window, WId nativeHandle) const |
233 | { |
234 | return new QXcbForeignWindow(window, nativeHandle); |
235 | } |
236 | |
237 | #ifndef QT_NO_OPENGL |
238 | QPlatformOpenGLContext *QXcbIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const |
239 | { |
240 | QXcbGlIntegration *glIntegration = m_connection->glIntegration(); |
241 | if (!glIntegration) { |
242 | qWarning(msg: "QXcbIntegration: Cannot create platform OpenGL context, neither GLX nor EGL are enabled"); |
243 | return nullptr; |
244 | } |
245 | return glIntegration->createPlatformOpenGLContext(context); |
246 | } |
247 | |
248 | # if QT_CONFIG(xcb_glx_plugin) |
249 | QOpenGLContext *QXcbIntegration::createOpenGLContext(GLXContext context, void *visualInfo, QOpenGLContext *shareContext) const |
250 | { |
251 | using namespace QNativeInterface::Private; |
252 | if (auto *glxIntegration = dynamic_cast<QGLXIntegration*>(m_connection->glIntegration())) |
253 | return glxIntegration->createOpenGLContext(context, visualInfo, shareContext); |
254 | else |
255 | return nullptr; |
256 | } |
257 | # endif |
258 | |
259 | #if QT_CONFIG(egl) |
260 | QOpenGLContext *QXcbIntegration::createOpenGLContext(EGLContext context, EGLDisplay display, QOpenGLContext *shareContext) const |
261 | { |
262 | using namespace QNativeInterface::Private; |
263 | if (auto *eglIntegration = dynamic_cast<QEGLIntegration*>(m_connection->glIntegration())) |
264 | return eglIntegration->createOpenGLContext(context, display, shareContext); |
265 | else |
266 | return nullptr; |
267 | } |
268 | #endif |
269 | |
270 | #endif // QT_NO_OPENGL |
271 | |
272 | QPlatformBackingStore *QXcbIntegration::createPlatformBackingStore(QWindow *window) const |
273 | { |
274 | QPlatformBackingStore *backingStore = nullptr; |
275 | |
276 | const bool isTrayIconWindow = QXcbWindow::isTrayIconWindow(window); |
277 | if (isTrayIconWindow) { |
278 | backingStore = new QXcbSystemTrayBackingStore(window); |
279 | #if QT_CONFIG(xcb_native_painting) |
280 | } else if (nativePaintingEnabled()) { |
281 | backingStore = new QXcbNativeBackingStore(window); |
282 | #endif |
283 | } else { |
284 | backingStore = new QXcbBackingStore(window); |
285 | } |
286 | Q_ASSERT(backingStore); |
287 | return backingStore; |
288 | } |
289 | |
290 | QPlatformOffscreenSurface *QXcbIntegration::createPlatformOffscreenSurface(QOffscreenSurface *surface) const |
291 | { |
292 | QXcbScreen *screen = static_cast<QXcbScreen *>(surface->screen()->handle()); |
293 | QXcbGlIntegration *glIntegration = screen->connection()->glIntegration(); |
294 | if (!glIntegration) { |
295 | qWarning(msg: "QXcbIntegration: Cannot create platform offscreen surface, neither GLX nor EGL are enabled"); |
296 | return nullptr; |
297 | } |
298 | return glIntegration->createPlatformOffscreenSurface(surface); |
299 | } |
300 | |
301 | bool QXcbIntegration::hasCapability(QPlatformIntegration::Capability cap) const |
302 | { |
303 | switch (cap) { |
304 | case OpenGL: |
305 | case ThreadedOpenGL: |
306 | { |
307 | if (const auto *integration = connection()->glIntegration()) |
308 | return cap != ThreadedOpenGL || integration->supportsThreadedOpenGL(); |
309 | return false; |
310 | } |
311 | |
312 | case ThreadedPixmaps: |
313 | case WindowMasks: |
314 | case MultipleWindows: |
315 | case ForeignWindows: |
316 | case SyncState: |
317 | case RasterGLSurface: |
318 | return true; |
319 | |
320 | case SwitchableWidgetComposition: |
321 | { |
322 | return m_connection->glIntegration() |
323 | && m_connection->glIntegration()->supportsSwitchableWidgetComposition(); |
324 | } |
325 | |
326 | default: return QPlatformIntegration::hasCapability(cap); |
327 | } |
328 | } |
329 | |
330 | QAbstractEventDispatcher *QXcbIntegration::createEventDispatcher() const |
331 | { |
332 | return QXcbEventDispatcher::createEventDispatcher(connection: connection()); |
333 | } |
334 | |
335 | using namespace Qt::Literals::StringLiterals; |
336 | static const auto xsNetCursorBlink = "Net/CursorBlink"_ba; |
337 | static const auto xsNetCursorBlinkTime = "Net/CursorBlinkTime"_ba; |
338 | static const auto xsNetDoubleClickTime = "Net/DoubleClickTime"_ba; |
339 | static const auto xsNetDoubleClickDistance = "Net/DoubleClickDistance"_ba; |
340 | static const auto xsNetDndDragThreshold = "Net/DndDragThreshold"_ba; |
341 | |
342 | void QXcbIntegration::initialize() |
343 | { |
344 | const auto defaultInputContext = "compose"_L1; |
345 | // Perform everything that may potentially need the event dispatcher (timers, socket |
346 | // notifiers) here instead of the constructor. |
347 | auto icStrs = QPlatformInputContextFactory::requested(); |
348 | if (icStrs.isEmpty()) |
349 | icStrs = { defaultInputContext }; |
350 | m_inputContext.reset(other: QPlatformInputContextFactory::create(keys: icStrs)); |
351 | if (!m_inputContext && !icStrs.contains(str: defaultInputContext) |
352 | && icStrs != QStringList{"none"_L1}) |
353 | m_inputContext.reset(other: QPlatformInputContextFactory::create(key: defaultInputContext)); |
354 | |
355 | connection()->keyboard()->initialize(); |
356 | |
357 | auto notifyThemeChanged = [](QXcbVirtualDesktop *, const QByteArray &, const QVariant &, void *) { |
358 | QWindowSystemInterface::handleThemeChange(); |
359 | }; |
360 | |
361 | auto *xsettings = connection()->primaryScreen()->xSettings(); |
362 | xsettings->registerCallbackForProperty(property: xsNetCursorBlink, func: notifyThemeChanged, handle: this); |
363 | xsettings->registerCallbackForProperty(property: xsNetCursorBlinkTime, func: notifyThemeChanged, handle: this); |
364 | xsettings->registerCallbackForProperty(property: xsNetDoubleClickTime, func: notifyThemeChanged, handle: this); |
365 | xsettings->registerCallbackForProperty(property: xsNetDoubleClickDistance, func: notifyThemeChanged, handle: this); |
366 | xsettings->registerCallbackForProperty(property: xsNetDndDragThreshold, func: notifyThemeChanged, handle: this); |
367 | } |
368 | |
369 | void QXcbIntegration::moveToScreen(QWindow *window, int screen) |
370 | { |
371 | Q_UNUSED(window); |
372 | Q_UNUSED(screen); |
373 | } |
374 | |
375 | QPlatformFontDatabase *QXcbIntegration::fontDatabase() const |
376 | { |
377 | return m_fontDatabase.data(); |
378 | } |
379 | |
380 | QPlatformNativeInterface * QXcbIntegration::nativeInterface() const |
381 | { |
382 | return m_nativeInterface.data(); |
383 | } |
384 | |
385 | #ifndef QT_NO_CLIPBOARD |
386 | QPlatformClipboard *QXcbIntegration::clipboard() const |
387 | { |
388 | return m_connection->clipboard(); |
389 | } |
390 | #endif |
391 | |
392 | #if QT_CONFIG(draganddrop) |
393 | #include <private/qsimpledrag_p.h> |
394 | QPlatformDrag *QXcbIntegration::drag() const |
395 | { |
396 | static const bool useSimpleDrag = qEnvironmentVariableIsSet(varName: "QT_XCB_USE_SIMPLE_DRAG"); |
397 | if (Q_UNLIKELY(useSimpleDrag)) { // This is useful for testing purposes |
398 | static QSimpleDrag *simpleDrag = nullptr; |
399 | if (!simpleDrag) |
400 | simpleDrag = new QSimpleDrag(); |
401 | return simpleDrag; |
402 | } |
403 | |
404 | return m_connection->drag(); |
405 | } |
406 | #endif |
407 | |
408 | QPlatformInputContext *QXcbIntegration::inputContext() const |
409 | { |
410 | return m_inputContext.data(); |
411 | } |
412 | |
413 | #if QT_CONFIG(accessibility) |
414 | QPlatformAccessibility *QXcbIntegration::accessibility() const |
415 | { |
416 | #if !defined(QT_NO_ACCESSIBILITY_ATSPI_BRIDGE) |
417 | if (!m_accessibility) { |
418 | Q_ASSERT_X(QCoreApplication::eventDispatcher(), "QXcbIntegration", |
419 | "Initializing accessibility without event-dispatcher!"); |
420 | m_accessibility.reset(other: new QSpiAccessibleBridge()); |
421 | } |
422 | #endif |
423 | |
424 | return m_accessibility.data(); |
425 | } |
426 | #endif |
427 | |
428 | QPlatformServices *QXcbIntegration::services() const |
429 | { |
430 | return m_services.data(); |
431 | } |
432 | |
433 | QPlatformKeyMapper *QXcbIntegration::keyMapper() const |
434 | { |
435 | return m_connection->keyboard(); |
436 | } |
437 | |
438 | QStringList QXcbIntegration::themeNames() const |
439 | { |
440 | return QGenericUnixTheme::themeNames(); |
441 | } |
442 | |
443 | QPlatformTheme *QXcbIntegration::createPlatformTheme(const QString &name) const |
444 | { |
445 | return QGenericUnixTheme::createUnixTheme(name); |
446 | } |
447 | |
448 | #define RETURN_VALID_XSETTINGS(key) { \ |
449 | auto value = connection()->primaryScreen()->xSettings()->setting(key); \ |
450 | if (value.isValid()) return value; \ |
451 | } |
452 | |
453 | QVariant QXcbIntegration::styleHint(QPlatformIntegration::StyleHint hint) const |
454 | { |
455 | switch (hint) { |
456 | case QPlatformIntegration::CursorFlashTime: { |
457 | bool ok = false; |
458 | // If cursor blinking is off, returns 0 to keep the cursor awlays display. |
459 | if (connection()->primaryScreen()->xSettings()->setting(xsNetCursorBlink).toInt(ok: &ok) == 0 && ok) |
460 | return 0; |
461 | |
462 | RETURN_VALID_XSETTINGS(xsNetCursorBlinkTime); |
463 | break; |
464 | } |
465 | case QPlatformIntegration::MouseDoubleClickInterval: |
466 | RETURN_VALID_XSETTINGS(xsNetDoubleClickTime); |
467 | break; |
468 | case QPlatformIntegration::MouseDoubleClickDistance: |
469 | RETURN_VALID_XSETTINGS(xsNetDoubleClickDistance); |
470 | break; |
471 | case QPlatformIntegration::KeyboardInputInterval: |
472 | case QPlatformIntegration::StartDragTime: |
473 | case QPlatformIntegration::KeyboardAutoRepeatRate: |
474 | case QPlatformIntegration::PasswordMaskDelay: |
475 | case QPlatformIntegration::StartDragVelocity: |
476 | case QPlatformIntegration::UseRtlExtensions: |
477 | case QPlatformIntegration::PasswordMaskCharacter: |
478 | case QPlatformIntegration::FlickMaximumVelocity: |
479 | case QPlatformIntegration::FlickDeceleration: |
480 | // TODO using various xcb, gnome or KDE settings |
481 | break; // Not implemented, use defaults |
482 | case QPlatformIntegration::FlickStartDistance: |
483 | case QPlatformIntegration::StartDragDistance: { |
484 | RETURN_VALID_XSETTINGS(xsNetDndDragThreshold); |
485 | // The default (in QPlatformTheme::defaultThemeHint) is 10 pixels, but |
486 | // on a high-resolution screen it makes sense to increase it. |
487 | qreal dpi = 100; |
488 | if (const QXcbScreen *screen = connection()->primaryScreen()) { |
489 | if (screen->logicalDpi().first > dpi) |
490 | dpi = screen->logicalDpi().first; |
491 | if (screen->logicalDpi().second > dpi) |
492 | dpi = screen->logicalDpi().second; |
493 | } |
494 | return (hint == QPlatformIntegration::FlickStartDistance ? qreal(15) : qreal(10)) * dpi / qreal(100); |
495 | } |
496 | case QPlatformIntegration::ShowIsFullScreen: |
497 | // X11 always has support for windows, but the |
498 | // window manager could prevent it (e.g. matchbox) |
499 | return false; |
500 | case QPlatformIntegration::ReplayMousePressOutsidePopup: |
501 | return false; |
502 | default: |
503 | break; |
504 | } |
505 | return QPlatformIntegration::styleHint(hint); |
506 | } |
507 | |
508 | static QString argv0BaseName() |
509 | { |
510 | QString result; |
511 | const QStringList arguments = QCoreApplication::arguments(); |
512 | if (!arguments.isEmpty() && !arguments.front().isEmpty()) { |
513 | result = arguments.front(); |
514 | const int lastSlashPos = result.lastIndexOf(c: u'/'); |
515 | if (lastSlashPos != -1) |
516 | result.remove(i: 0, len: lastSlashPos + 1); |
517 | } |
518 | return result; |
519 | } |
520 | |
521 | static const char resourceNameVar[] = "RESOURCE_NAME"; |
522 | |
523 | QByteArray QXcbIntegration::wmClass() const |
524 | { |
525 | if (m_wmClass.isEmpty()) { |
526 | // Instance name according to ICCCM 4.1.2.5 |
527 | QString name; |
528 | if (m_instanceName) |
529 | name = QString::fromLocal8Bit(ba: m_instanceName); |
530 | if (name.isEmpty() && qEnvironmentVariableIsSet(varName: resourceNameVar)) |
531 | name = QString::fromLocal8Bit(ba: qgetenv(varName: resourceNameVar)); |
532 | if (name.isEmpty()) |
533 | name = argv0BaseName(); |
534 | |
535 | // Note: QCoreApplication::applicationName() cannot be called from the QGuiApplication constructor, |
536 | // hence this delayed initialization. |
537 | QString className = QCoreApplication::applicationName(); |
538 | if (className.isEmpty()) { |
539 | className = argv0BaseName(); |
540 | if (!className.isEmpty() && className.at(i: 0).isLower()) |
541 | className[0] = className.at(i: 0).toUpper(); |
542 | } |
543 | |
544 | if (!name.isEmpty() && !className.isEmpty()) |
545 | m_wmClass = std::move(name).toLocal8Bit() + '\0' + std::move(className).toLocal8Bit() + '\0'; |
546 | } |
547 | return m_wmClass; |
548 | } |
549 | |
550 | #if QT_CONFIG(xcb_sm) |
551 | QPlatformSessionManager *QXcbIntegration::createPlatformSessionManager(const QString &id, const QString &key) const |
552 | { |
553 | return new QXcbSessionManager(id, key); |
554 | } |
555 | #endif |
556 | |
557 | void QXcbIntegration::sync() |
558 | { |
559 | m_connection->sync(); |
560 | } |
561 | |
562 | // For QApplication::beep() |
563 | void QXcbIntegration::beep() const |
564 | { |
565 | QScreen *priScreen = QGuiApplication::primaryScreen(); |
566 | if (!priScreen) |
567 | return; |
568 | QPlatformScreen *screen = priScreen->handle(); |
569 | if (!screen) |
570 | return; |
571 | xcb_connection_t *connection = static_cast<QXcbScreen *>(screen)->xcb_connection(); |
572 | xcb_bell(c: connection, percent: 0); |
573 | xcb_flush(c: connection); |
574 | } |
575 | |
576 | bool QXcbIntegration::nativePaintingEnabled() const |
577 | { |
578 | #if QT_CONFIG(xcb_native_painting) |
579 | static bool enabled = qEnvironmentVariableIsSet("QT_XCB_NATIVE_PAINTING"); |
580 | return enabled; |
581 | #else |
582 | return false; |
583 | #endif |
584 | } |
585 | |
586 | #if QT_CONFIG(vulkan) |
587 | QPlatformVulkanInstance *QXcbIntegration::createPlatformVulkanInstance(QVulkanInstance *instance) const |
588 | { |
589 | return new QXcbVulkanInstance(instance); |
590 | } |
591 | #endif |
592 | |
593 | void QXcbIntegration::setApplicationBadge(qint64 number) |
594 | { |
595 | auto unixServices = dynamic_cast<QGenericUnixServices *>(services()); |
596 | unixServices->setApplicationBadge(number); |
597 | } |
598 | |
599 | QString QXcbUnixServices::portalWindowIdentifier(QWindow *window) |
600 | { |
601 | return "x11:"_L1+ QString::number(window->winId(), base: 16); |
602 | } |
603 | |
604 | QT_END_NAMESPACE |
605 |
Definitions
- runningUnderDebugger
- QXcbUnixServices
- m_instance
- QXcbIntegration
- ~QXcbIntegration
- createPlatformPixmap
- createPlatformWindow
- createForeignWindow
- createPlatformOpenGLContext
- createOpenGLContext
- createOpenGLContext
- createPlatformBackingStore
- createPlatformOffscreenSurface
- hasCapability
- createEventDispatcher
- xsNetCursorBlink
- xsNetCursorBlinkTime
- xsNetDoubleClickTime
- xsNetDoubleClickDistance
- xsNetDndDragThreshold
- initialize
- moveToScreen
- fontDatabase
- nativeInterface
- clipboard
- drag
- inputContext
- accessibility
- services
- keyMapper
- themeNames
- createPlatformTheme
- styleHint
- argv0BaseName
- resourceNameVar
- wmClass
- createPlatformSessionManager
- sync
- beep
- nativePaintingEnabled
- createPlatformVulkanInstance
- setApplicationBadge
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