diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbconnection.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbconnection.cpp | 711 |
1 files changed, 61 insertions, 650 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp index a4294956c1..10d07c37bb 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection.cpp @@ -59,38 +59,24 @@ #include "qxcbbackingstore.h" #include "qxcbeventqueue.h" -#include <QSocketNotifier> #include <QAbstractEventDispatcher> -#include <QTimer> #include <QByteArray> #include <QScopedPointer> -#include <algorithm> - #include <stdio.h> #include <errno.h> -#include <xcb/shm.h> -#include <xcb/sync.h> + #include <xcb/xfixes.h> #include <xcb/xinerama.h> - -#if QT_CONFIG(xcb_xlib) -#define register /* C++17 deprecated register */ -#include <X11/Xlib.h> -#include <X11/Xlib-xcb.h> -#include <X11/Xlibint.h> -#include <X11/Xutil.h> -#undef register +#if QT_CONFIG(xkb) +#define explicit dont_use_cxx_explicit +#include <xcb/xkb.h> +#undef explicit #endif - #if QT_CONFIG(xcb_xinput) #include <xcb/xinput.h> #endif -#if QT_CONFIG(xcb_render) -#include <xcb/render.h> -#endif - QT_BEGIN_NAMESPACE Q_LOGGING_CATEGORY(lcQpaXInput, "qt.qpa.input") @@ -99,7 +85,6 @@ Q_LOGGING_CATEGORY(lcQpaXInputEvents, "qt.qpa.input.events") Q_LOGGING_CATEGORY(lcQpaScreen, "qt.qpa.screen") Q_LOGGING_CATEGORY(lcQpaEvents, "qt.qpa.events") Q_LOGGING_CATEGORY(lcQpaEventReader, "qt.qpa.events.reader") -Q_LOGGING_CATEGORY(lcQpaXcb, "qt.qpa.xcb") // for general (uncategorized) XCB logging Q_LOGGING_CATEGORY(lcQpaPeeker, "qt.qpa.peeker") Q_LOGGING_CATEGORY(lcQpaKeyboard, "qt.qpa.xkeyboard") Q_LOGGING_CATEGORY(lcQpaXDnd, "qt.qpa.xdnd") @@ -110,69 +95,19 @@ Q_LOGGING_CATEGORY(lcQpaXDnd, "qt.qpa.xdnd") #define XCB_GE_GENERIC 35 #endif -#if QT_CONFIG(xcb_xinput) -// Starting from the xcb version 1.9.3 struct xcb_ge_event_t has changed: -// - "pad0" became "extension" -// - "pad1" and "pad" became "pad0" -// New and old version of this struct share the following fields: -typedef struct qt_xcb_ge_event_t { - uint8_t response_type; - uint8_t extension; - uint16_t sequence; - uint32_t length; - uint16_t event_type; -} qt_xcb_ge_event_t; - -static inline bool isXIEvent(xcb_generic_event_t *event, int opCode) -{ - qt_xcb_ge_event_t *e = reinterpret_cast<qt_xcb_ge_event_t *>(event); - return e->extension == opCode; -} -#endif // QT_CONFIG(xcb_xinput) - -#if QT_CONFIG(xcb_xlib) -static const char * const xcbConnectionErrors[] = { - "No error", /* Error 0 */ - "I/O error", /* XCB_CONN_ERROR */ - "Unsupported extension used", /* XCB_CONN_CLOSED_EXT_NOTSUPPORTED */ - "Out of memory", /* XCB_CONN_CLOSED_MEM_INSUFFICIENT */ - "Maximum allowed requested length exceeded", /* XCB_CONN_CLOSED_REQ_LEN_EXCEED */ - "Failed to parse display string", /* XCB_CONN_CLOSED_PARSE_ERR */ - "No such screen on display", /* XCB_CONN_CLOSED_INVALID_SCREEN */ - "Error during FD passing" /* XCB_CONN_CLOSED_FDPASSING_FAILED */ -}; - -static int nullErrorHandler(Display *dpy, XErrorEvent *err) -{ -#ifndef Q_XCB_DEBUG - Q_UNUSED(dpy); - Q_UNUSED(err); -#else - const int buflen = 1024; - char buf[buflen]; - - XGetErrorText(dpy, err->error_code, buf, buflen); - fprintf(stderr, "X Error: serial %lu error %d %s\n", err->serial, (int) err->error_code, buf); -#endif - return 0; -} - -static int ioErrorHandler(Display *dpy) +void QXcbConnection::selectXRandrEvents() { - xcb_connection_t *conn = XGetXCBConnection(dpy); - if (conn != NULL) { - /* Print a message with a textual description of the error */ - int code = xcb_connection_has_error(conn); - const char *str = "Unknown error"; - int arrayLength = sizeof(xcbConnectionErrors) / sizeof(xcbConnectionErrors[0]); - if (code >= 0 && code < arrayLength) - str = xcbConnectionErrors[code]; - - qWarning("The X11 connection broke: %s (code %d)", str, code); + xcb_screen_iterator_t rootIter = xcb_setup_roots_iterator(setup()); + for (; rootIter.rem; xcb_screen_next(&rootIter)) { + xcb_randr_select_input(xcb_connection(), + rootIter.data->root, + XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE | + XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE | + XCB_RANDR_NOTIFY_MASK_CRTC_CHANGE | + XCB_RANDR_NOTIFY_MASK_OUTPUT_PROPERTY + ); } - return _XDefaultIOError(dpy); } -#endif QXcbScreen* QXcbConnection::findScreenForCrtc(xcb_window_t rootWindow, xcb_randr_crtc_t crtc) const { @@ -314,7 +249,7 @@ void QXcbConnection::updateScreen(QXcbScreen *screen, const xcb_randr_output_cha if (screen->mode() != outputChange.mode) screen->updateRefreshRate(outputChange.mode); // Only screen which belongs to the primary virtual desktop can be a primary screen - if (screen->screenNumber() == m_primaryScreenNumber) { + if (screen->screenNumber() == primaryScreenNumber()) { if (!screen->isPrimary() && checkOutputIsPrimary(outputChange.window, outputChange.output)) { screen->setPrimary(true); @@ -336,7 +271,7 @@ QXcbScreen *QXcbConnection::createScreen(QXcbVirtualDesktop *virtualDesktop, { QXcbScreen *screen = new QXcbScreen(this, virtualDesktop, outputChange.output, outputInfo); // Only screen which belongs to the primary virtual desktop can be a primary screen - if (screen->screenNumber() == m_primaryScreenNumber) + if (screen->screenNumber() == primaryScreenNumber()) screen->setPrimary(checkOutputIsPrimary(outputChange.window, outputChange.output)); if (screen->isPrimary()) { @@ -384,7 +319,7 @@ void QXcbConnection::destroyScreen(QXcbScreen *screen) void QXcbConnection::initializeScreens() { - xcb_screen_iterator_t it = xcb_setup_roots_iterator(m_setup); + xcb_screen_iterator_t it = xcb_setup_roots_iterator(setup()); int xcbScreenNumber = 0; // screen number in the xcb sense QXcbScreen *primaryScreen = nullptr; while (it.rem) { @@ -396,7 +331,7 @@ void QXcbConnection::initializeScreens() QXcbVirtualDesktop *virtualDesktop = new QXcbVirtualDesktop(this, xcbScreen, xcbScreenNumber); m_virtualDesktops.append(virtualDesktop); QList<QPlatformScreen *> siblings; - if (has_randr_extension) { + if (hasXRender()) { // RRGetScreenResourcesCurrent is fast but it may return nothing if the // configuration is not initialized wrt to the hardware. We should call // RRGetScreenResources in this case. @@ -457,7 +392,7 @@ void QXcbConnection::initializeScreens() // the first or an exact match. An exact match isn't // always available if primary->output is XCB_NONE // or currently disconnected output. - if (m_primaryScreenNumber == xcbScreenNumber) { + if (primaryScreenNumber() == xcbScreenNumber) { if (!primaryScreen || (primary && outputs[i] == primary->output)) { if (primaryScreen) primaryScreen->setPrimary(false); @@ -470,9 +405,9 @@ void QXcbConnection::initializeScreens() } } } - } else if (has_xinerama_extension) { + } else if (hasXinerama()) { // Xinerama is available - auto screens = Q_XCB_REPLY(xcb_xinerama_query_screens, m_connection); + auto screens = Q_XCB_REPLY(xcb_xinerama_query_screens, xcb_connection()); if (screens) { xcb_xinerama_screen_info_iterator_t it = xcb_xinerama_query_screens_screen_info_iterator(screens.get()); while (it.rem) { @@ -492,7 +427,7 @@ void QXcbConnection::initializeScreens() QXcbScreen *screen = new QXcbScreen(this, virtualDesktop, XCB_NONE, nullptr); qCDebug(lcQpaScreen) << "created fake screen" << screen; m_screens << screen; - if (m_primaryScreenNumber == xcbScreenNumber) { + if (primaryScreenNumber() == xcbScreenNumber) { primaryScreen = screen; primaryScreen->setPrimary(true); } @@ -528,72 +463,28 @@ void QXcbConnection::initializeScreens() } QXcbConnection::QXcbConnection(QXcbNativeInterface *nativeInterface, bool canGrabServer, xcb_visualid_t defaultVisualId, const char *displayName) - : m_canGrabServer(canGrabServer) + : QXcbBasicConnection(displayName) + , m_canGrabServer(canGrabServer) , m_defaultVisualId(defaultVisualId) - , m_displayName(displayName ? QByteArray(displayName) : qgetenv("DISPLAY")) , m_nativeInterface(nativeInterface) { -#if QT_CONFIG(xcb_xlib) - Display *dpy = XOpenDisplay(m_displayName.constData()); - if (dpy) { - m_primaryScreenNumber = DefaultScreen(dpy); - m_connection = XGetXCBConnection(dpy); - XSetEventQueueOwner(dpy, XCBOwnsEventQueue); - XSetErrorHandler(nullErrorHandler); - XSetIOErrorHandler(ioErrorHandler); - m_xlib_display = dpy; - } -#else - m_connection = xcb_connect(m_displayName.constData(), &m_primaryScreenNumber); -#endif // QT_CONFIG(xcb_xlib) - - if (Q_UNLIKELY(!m_connection || xcb_connection_has_error(m_connection))) { - qCWarning(lcQpaScreen, "QXcbConnection: Could not connect to display %s", m_displayName.constData()); + if (!isConnected()) return; - } m_eventQueue = new QXcbEventQueue(this); - xcb_extension_t *extensions[] = { - &xcb_shm_id, &xcb_xfixes_id, &xcb_randr_id, &xcb_shape_id, &xcb_sync_id, -#if QT_CONFIG(xkb) - &xcb_xkb_id, -#endif -#if QT_CONFIG(xcb_render) - &xcb_render_id, -#endif -#if QT_CONFIG(xcb_xinput) - &xcb_input_id, -#endif - 0 - }; - - for (xcb_extension_t **ext_it = extensions; *ext_it; ++ext_it) - xcb_prefetch_extension_data (m_connection, *ext_it); - - m_setup = xcb_get_setup(xcb_connection()); - m_xdgCurrentDesktop = qgetenv("XDG_CURRENT_DESKTOP").toLower(); - initializeAllAtoms(); + selectXRandrEvents(); - initializeXSync(); - if (!qEnvironmentVariableIsSet("QT_XCB_NO_MITSHM")) - initializeShm(); - if (!qEnvironmentVariableIsSet("QT_XCB_NO_XRANDR")) - initializeXRandr(); - if (!has_randr_extension) - initializeXinerama(); - initializeXFixes(); initializeScreens(); - initializeXRender(); #if QT_CONFIG(xcb_xinput) - if (!qEnvironmentVariableIsSet("QT_XCB_NO_XI2")) - initializeXInput2(); + if (hasXInput2()) { + xi2SetupDevices(); + xi2SelectStateEvents(); + } #endif - initializeXShape(); - initializeXKB(); m_wmSupport.reset(new QXcbWMSupport(this)); m_keyboard = new QXcbKeyboard(this); @@ -632,22 +523,9 @@ QXcbConnection::~QXcbConnection() delete m_glIntegration; - if (isConnected()) { -#if QT_CONFIG(xcb_xlib) - XCloseDisplay(static_cast<Display *>(m_xlib_display)); -#else - xcb_disconnect(xcb_connection()); -#endif - } - delete m_keyboard; } -bool QXcbConnection::isConnected() const -{ - return m_connection && !xcb_connection_has_error(m_connection); -} - QXcbScreen *QXcbConnection::primaryScreen() const { if (!m_screens.isEmpty()) { @@ -752,17 +630,17 @@ void QXcbConnection::printXcbEvent(const QLoggingCategory &log, const char *mess CASE_PRINT_AND_RETURN( XCB_GE_GENERIC ); } // XFixes - if (has_xfixes && response_type == xfixes_first_event + XCB_XFIXES_SELECTION_NOTIFY) + if (isXFixesType(response_type, XCB_XFIXES_SELECTION_NOTIFY)) PRINT_AND_RETURN("XCB_XFIXES_SELECTION_NOTIFY"); + // XRandR - if (has_randr_extension) { - if (response_type == xrandr_first_event + XCB_RANDR_NOTIFY) - PRINT_AND_RETURN("XCB_RANDR_NOTIFY"); - if (response_type == xrandr_first_event + XCB_RANDR_SCREEN_CHANGE_NOTIFY) - PRINT_AND_RETURN("XCB_RANDR_SCREEN_CHANGE_NOTIFY"); - } + if (isXRandrType(response_type, XCB_RANDR_NOTIFY)) + PRINT_AND_RETURN("XCB_RANDR_NOTIFY"); + if (isXRandrType(response_type, XCB_RANDR_SCREEN_CHANGE_NOTIFY)) + PRINT_AND_RETURN("XCB_RANDR_SCREEN_CHANGE_NOTIFY"); + // XKB - if (response_type == xkb_first_event) + if (isXkbType(response_type)) PRINT_AND_RETURN("XCB_XKB_* event"); // UNKNOWN @@ -1155,7 +1033,7 @@ void QXcbConnection::handleXcbEvent(xcb_generic_event_t *event) #if QT_CONFIG(xcb_xinput) case XCB_GE_GENERIC: // Here the windowEventListener is invoked from xi2HandleEvent() - if (hasXInput2() && isXIEvent(event, m_xiOpCode)) + if (hasXInput2() && isXIEvent(event)) xi2HandleEvent(reinterpret_cast<xcb_ge_event_t *>(event)); break; #endif @@ -1168,7 +1046,7 @@ void QXcbConnection::handleXcbEvent(xcb_generic_event_t *event) return; handled = true; - if (has_xfixes && response_type == xfixes_first_event + XCB_XFIXES_SELECTION_NOTIFY) { + if (isXFixesType(response_type, XCB_XFIXES_SELECTION_NOTIFY)) { auto notify_event = reinterpret_cast<xcb_xfixes_selection_notify_event_t *>(event); setTime(notify_event->timestamp); #ifndef QT_NO_CLIPBOARD @@ -1176,14 +1054,14 @@ void QXcbConnection::handleXcbEvent(xcb_generic_event_t *event) #endif for (QXcbVirtualDesktop *virtualDesktop : qAsConst(m_virtualDesktops)) virtualDesktop->handleXFixesSelectionNotify(notify_event); - } else if (has_randr_extension && response_type == xrandr_first_event + XCB_RANDR_NOTIFY) { + } else if (isXRandrType(response_type, XCB_RANDR_NOTIFY)) { updateScreens(reinterpret_cast<xcb_randr_notify_event_t *>(event)); - } else if (has_randr_extension && response_type == xrandr_first_event + XCB_RANDR_SCREEN_CHANGE_NOTIFY) { + } else if (isXRandrType(response_type, XCB_RANDR_SCREEN_CHANGE_NOTIFY)) { auto change_event = reinterpret_cast<xcb_randr_screen_change_notify_event_t *>(event); if (auto virtualDesktop = virtualDesktopForRootWindow(change_event->root)) virtualDesktop->handleScreenChange(change_event); #if QT_CONFIG(xkb) - } else if (response_type == xkb_first_event) { // https://bugs.freedesktop.org/show_bug.cgi?id=51295 + } else if (isXkbType(response_type)) { auto xkb_event = reinterpret_cast<_xkb_event *>(event); if (xkb_event->any.deviceID == m_keyboard->coreDeviceId()) { switch (xkb_event->any.xkbType) { @@ -1239,13 +1117,13 @@ void QXcbConnection::setMousePressWindow(QXcbWindow *w) void QXcbConnection::grabServer() { if (m_canGrabServer) - xcb_grab_server(m_connection); + xcb_grab_server(xcb_connection()); } void QXcbConnection::ungrabServer() { if (m_canGrabServer) - xcb_ungrab_server(m_connection); + xcb_ungrab_server(xcb_connection()); } xcb_timestamp_t QXcbConnection::getTimestamp() @@ -1360,17 +1238,6 @@ xcb_window_t QXcbConnection::clientLeader() return m_clientLeader; } -#if QT_CONFIG(xcb_xinput) -static inline bool isXIType(xcb_generic_event_t *event, int opCode, uint16_t type) -{ - if (!isXIEvent(event, opCode)) - return false; - - auto *e = reinterpret_cast<qt_xcb_ge_event_t *>(event); - return e->event_type == type; -} -#endif - /*! \internal Compresses events of the same type to avoid swamping the event queue. @@ -1405,7 +1272,7 @@ bool QXcbConnection::compressEvent(xcb_generic_event_t *event) const return false; // compress XI_Motion - if (isXIType(event, m_xiOpCode, XCB_INPUT_MOTION)) { + if (isXIType(event, XCB_INPUT_MOTION)) { #if QT_CONFIG(tabletevent) auto xdev = reinterpret_cast<xcb_input_motion_event_t *>(event); if (!QCoreApplication::testAttribute(Qt::AA_CompressTabletEvents) && @@ -1414,17 +1281,18 @@ bool QXcbConnection::compressEvent(xcb_generic_event_t *event) const #endif // QT_CONFIG(tabletevent) return m_eventQueue->peek(QXcbEventQueue::PeekRetainMatch, [this](xcb_generic_event_t *next, int) { - return isXIType(next, m_xiOpCode, XCB_INPUT_MOTION); + return isXIType(next, XCB_INPUT_MOTION); }); } // compress XI_TouchUpdate for the same touch point id - if (isXIType(event, m_xiOpCode, XCB_INPUT_TOUCH_UPDATE)) { + if (isXIType(event, XCB_INPUT_TOUCH_UPDATE)) { auto touchUpdateEvent = reinterpret_cast<xcb_input_touch_update_event_t *>(event); uint32_t id = touchUpdateEvent->detail % INT_MAX; + return m_eventQueue->peek(QXcbEventQueue::PeekRetainMatch, [this, &id](xcb_generic_event_t *next, int) { - if (!isXIType(next, m_xiOpCode, XCB_INPUT_TOUCH_UPDATE)) + if (!isXIType(next, XCB_INPUT_TOUCH_UPDATE)) return false; auto touchUpdateNextEvent = reinterpret_cast<xcb_input_touch_update_event_t *>(next); return id == touchUpdateNextEvent->detail % INT_MAX; @@ -1465,16 +1333,16 @@ bool QXcbConnection::isUserInputEvent(xcb_generic_event_t *event) const #if QT_CONFIG(xcb_xinput) if (connection()->hasXInput2()) { - isInputEvent = isXIType(event, m_xiOpCode, XCB_INPUT_BUTTON_PRESS) || - isXIType(event, m_xiOpCode, XCB_INPUT_BUTTON_RELEASE) || - isXIType(event, m_xiOpCode, XCB_INPUT_MOTION) || - isXIType(event, m_xiOpCode, XCB_INPUT_TOUCH_BEGIN) || - isXIType(event, m_xiOpCode, XCB_INPUT_TOUCH_UPDATE) || - isXIType(event, m_xiOpCode, XCB_INPUT_TOUCH_END) || - isXIType(event, m_xiOpCode, XCB_INPUT_ENTER) || - isXIType(event, m_xiOpCode, XCB_INPUT_LEAVE) || + isInputEvent = isXIType(event, XCB_INPUT_BUTTON_PRESS) || + isXIType(event, XCB_INPUT_BUTTON_RELEASE) || + isXIType(event, XCB_INPUT_MOTION) || + isXIType(event, XCB_INPUT_TOUCH_BEGIN) || + isXIType(event, XCB_INPUT_TOUCH_UPDATE) || + isXIType(event, XCB_INPUT_TOUCH_END) || + isXIType(event, XCB_INPUT_ENTER) || + isXIType(event, XCB_INPUT_LEAVE) || // wacom driver's way of reporting tool proximity - isXIType(event, m_xiOpCode, XCB_INPUT_PROPERTY); + isXIType(event, XCB_INPUT_PROPERTY); } if (isInputEvent) return true; @@ -1545,265 +1413,10 @@ void QXcbConnection::processXcbEvents(QEventLoop::ProcessEventsFlags flags) xcb_flush(xcb_connection()); } -static const char * xcb_atomnames = { - // window-manager <-> client protocols - "WM_PROTOCOLS\0" - "WM_DELETE_WINDOW\0" - "WM_TAKE_FOCUS\0" - "_NET_WM_PING\0" - "_NET_WM_CONTEXT_HELP\0" - "_NET_WM_SYNC_REQUEST\0" - "_NET_WM_SYNC_REQUEST_COUNTER\0" - "MANAGER\0" - "_NET_SYSTEM_TRAY_OPCODE\0" - - // ICCCM window state - "WM_STATE\0" - "WM_CHANGE_STATE\0" - "WM_CLASS\0" - "WM_NAME\0" - - // Session management - "WM_CLIENT_LEADER\0" - "WM_WINDOW_ROLE\0" - "SM_CLIENT_ID\0" - "WM_CLIENT_MACHINE\0" - - // Clipboard - "CLIPBOARD\0" - "INCR\0" - "TARGETS\0" - "MULTIPLE\0" - "TIMESTAMP\0" - "SAVE_TARGETS\0" - "CLIP_TEMPORARY\0" - "_QT_SELECTION\0" - "_QT_CLIPBOARD_SENTINEL\0" - "_QT_SELECTION_SENTINEL\0" - "CLIPBOARD_MANAGER\0" - - "RESOURCE_MANAGER\0" - - "_XSETROOT_ID\0" - - "_QT_SCROLL_DONE\0" - "_QT_INPUT_ENCODING\0" - - "_QT_CLOSE_CONNECTION\0" - - "_MOTIF_WM_HINTS\0" - - "DTWM_IS_RUNNING\0" - "ENLIGHTENMENT_DESKTOP\0" - "_DT_SAVE_MODE\0" - "_SGI_DESKS_MANAGER\0" - - // EWMH (aka NETWM) - "_NET_SUPPORTED\0" - "_NET_VIRTUAL_ROOTS\0" - "_NET_WORKAREA\0" - - "_NET_MOVERESIZE_WINDOW\0" - "_NET_WM_MOVERESIZE\0" - - "_NET_WM_NAME\0" - "_NET_WM_ICON_NAME\0" - "_NET_WM_ICON\0" - - "_NET_WM_PID\0" - - "_NET_WM_WINDOW_OPACITY\0" - - "_NET_WM_STATE\0" - "_NET_WM_STATE_ABOVE\0" - "_NET_WM_STATE_BELOW\0" - "_NET_WM_STATE_FULLSCREEN\0" - "_NET_WM_STATE_MAXIMIZED_HORZ\0" - "_NET_WM_STATE_MAXIMIZED_VERT\0" - "_NET_WM_STATE_MODAL\0" - "_NET_WM_STATE_STAYS_ON_TOP\0" - "_NET_WM_STATE_DEMANDS_ATTENTION\0" - - "_NET_WM_USER_TIME\0" - "_NET_WM_USER_TIME_WINDOW\0" - "_NET_WM_FULL_PLACEMENT\0" - - "_NET_WM_WINDOW_TYPE\0" - "_NET_WM_WINDOW_TYPE_DESKTOP\0" - "_NET_WM_WINDOW_TYPE_DOCK\0" - "_NET_WM_WINDOW_TYPE_TOOLBAR\0" - "_NET_WM_WINDOW_TYPE_MENU\0" - "_NET_WM_WINDOW_TYPE_UTILITY\0" - "_NET_WM_WINDOW_TYPE_SPLASH\0" - "_NET_WM_WINDOW_TYPE_DIALOG\0" - "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU\0" - "_NET_WM_WINDOW_TYPE_POPUP_MENU\0" - "_NET_WM_WINDOW_TYPE_TOOLTIP\0" - "_NET_WM_WINDOW_TYPE_NOTIFICATION\0" - "_NET_WM_WINDOW_TYPE_COMBO\0" - "_NET_WM_WINDOW_TYPE_DND\0" - "_NET_WM_WINDOW_TYPE_NORMAL\0" - "_KDE_NET_WM_WINDOW_TYPE_OVERRIDE\0" - - "_KDE_NET_WM_FRAME_STRUT\0" - "_NET_FRAME_EXTENTS\0" - - "_NET_STARTUP_INFO\0" - "_NET_STARTUP_INFO_BEGIN\0" - - "_NET_SUPPORTING_WM_CHECK\0" - - "_NET_WM_CM_S0\0" - - "_NET_SYSTEM_TRAY_VISUAL\0" - - "_NET_ACTIVE_WINDOW\0" - - // Property formats - "TEXT\0" - "UTF8_STRING\0" - "CARDINAL\0" - - // xdnd - "XdndEnter\0" - "XdndPosition\0" - "XdndStatus\0" - "XdndLeave\0" - "XdndDrop\0" - "XdndFinished\0" - "XdndTypeList\0" - "XdndActionList\0" - - "XdndSelection\0" - - "XdndAware\0" - "XdndProxy\0" - - "XdndActionCopy\0" - "XdndActionLink\0" - "XdndActionMove\0" - "XdndActionPrivate\0" - - // Motif DND - "_MOTIF_DRAG_AND_DROP_MESSAGE\0" - "_MOTIF_DRAG_INITIATOR_INFO\0" - "_MOTIF_DRAG_RECEIVER_INFO\0" - "_MOTIF_DRAG_WINDOW\0" - "_MOTIF_DRAG_TARGETS\0" - - "XmTRANSFER_SUCCESS\0" - "XmTRANSFER_FAILURE\0" - - // Xkb - "_XKB_RULES_NAMES\0" - - // XEMBED - "_XEMBED\0" - "_XEMBED_INFO\0" - - // XInput2 - "Button Left\0" - "Button Middle\0" - "Button Right\0" - "Button Wheel Up\0" - "Button Wheel Down\0" - "Button Horiz Wheel Left\0" - "Button Horiz Wheel Right\0" - "Abs MT Position X\0" - "Abs MT Position Y\0" - "Abs MT Touch Major\0" - "Abs MT Touch Minor\0" - "Abs MT Orientation\0" - "Abs MT Pressure\0" - "Abs MT Tracking ID\0" - "Max Contacts\0" - "Rel X\0" - "Rel Y\0" - // XInput2 tablet - "Abs X\0" - "Abs Y\0" - "Abs Pressure\0" - "Abs Tilt X\0" - "Abs Tilt Y\0" - "Abs Wheel\0" - "Abs Distance\0" - "Wacom Serial IDs\0" - "INTEGER\0" - "Rel Horiz Wheel\0" - "Rel Vert Wheel\0" - "Rel Horiz Scroll\0" - "Rel Vert Scroll\0" - "_XSETTINGS_SETTINGS\0" - "_COMPIZ_DECOR_PENDING\0" - "_COMPIZ_DECOR_REQUEST\0" - "_COMPIZ_DECOR_DELETE_PIXMAP\0" - "_COMPIZ_TOOLKIT_ACTION\0" - "_GTK_LOAD_ICONTHEMES\0" - "AT_SPI_BUS\0" - "EDID\0" - "EDID_DATA\0" - "XFree86_DDC_EDID1_RAWDATA\0" - // \0\0 terminates loop. -}; - -QXcbAtom::Atom QXcbConnection::qatom(xcb_atom_t xatom) const -{ - return static_cast<QXcbAtom::Atom>(std::find(m_allAtoms, m_allAtoms + QXcbAtom::NAtoms, xatom) - m_allAtoms); -} - -void QXcbConnection::initializeAllAtoms() { - const char *names[QXcbAtom::NAtoms]; - const char *ptr = xcb_atomnames; - - int i = 0; - while (*ptr) { - names[i++] = ptr; - while (*ptr) - ++ptr; - ++ptr; - } - - Q_ASSERT(i == QXcbAtom::NAtoms); - - xcb_intern_atom_cookie_t cookies[QXcbAtom::NAtoms]; - - Q_ASSERT(i == QXcbAtom::NAtoms); - for (i = 0; i < QXcbAtom::NAtoms; ++i) - cookies[i] = xcb_intern_atom(xcb_connection(), false, strlen(names[i]), names[i]); - - for (i = 0; i < QXcbAtom::NAtoms; ++i) { - xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(xcb_connection(), cookies[i], 0); - m_allAtoms[i] = reply->atom; - free(reply); - } -} - -xcb_atom_t QXcbConnection::internAtom(const char *name) -{ - if (!name || *name == 0) - return XCB_NONE; - - return Q_XCB_REPLY(xcb_intern_atom, xcb_connection(), false, strlen(name), name)->atom; -} - -QByteArray QXcbConnection::atomName(xcb_atom_t atom) -{ - if (!atom) - return QByteArray(); - - auto reply = Q_XCB_REPLY(xcb_get_atom_name, xcb_connection(), atom); - if (!reply) - qWarning() << "QXcbConnection::atomName: bad Atom" << atom; - else - return QByteArray(xcb_get_atom_name_name(reply.get()), xcb_get_atom_name_name_length(reply.get())); - - return QByteArray(); -} - const xcb_format_t *QXcbConnection::formatForDepth(uint8_t depth) const { xcb_format_iterator_t iterator = - xcb_setup_pixmap_formats_iterator(m_setup); + xcb_setup_pixmap_formats_iterator(setup()); while (iterator.rem) { xcb_format_t *format = iterator.data; @@ -1823,208 +1436,6 @@ void QXcbConnection::sync() free(xcb_get_input_focus_reply(xcb_connection(), cookie, 0)); } -void QXcbConnection::initializeShm() -{ - const xcb_query_extension_reply_t *reply = xcb_get_extension_data(m_connection, &xcb_shm_id); - if (!reply || !reply->present) { - qCDebug(lcQpaXcb, "MIT-SHM extension is not present on the X server"); - return; - } - has_shm = true; - - auto shm_query = Q_XCB_REPLY(xcb_shm_query_version, m_connection); - if (shm_query) { - has_shm_fd = (shm_query->major_version == 1 && shm_query->minor_version >= 2) || - shm_query->major_version > 1; - } else { - qCWarning(lcQpaXcb, "QXcbConnection: Failed to request MIT-SHM version"); - } - - qCDebug(lcQpaXcb) << "Has MIT-SHM :" << has_shm; - qCDebug(lcQpaXcb) << "Has MIT-SHM FD :" << has_shm_fd; - - // Temporary disable warnings (unless running in debug mode). - auto logging = const_cast<QLoggingCategory*>(&lcQpaXcb()); - bool wasEnabled = logging->isEnabled(QtMsgType::QtWarningMsg); - if (!logging->isEnabled(QtMsgType::QtDebugMsg)) - logging->setEnabled(QtMsgType::QtWarningMsg, false); - if (!QXcbBackingStore::createSystemVShmSegment(this)) { - qCDebug(lcQpaXcb, "failed to create System V shared memory segment (remote " - "X11 connection?), disabling SHM"); - has_shm = has_shm_fd = false; - } - if (wasEnabled) - logging->setEnabled(QtMsgType::QtWarningMsg, true); -} - -void QXcbConnection::initializeXFixes() -{ - const xcb_query_extension_reply_t *reply = xcb_get_extension_data(m_connection, &xcb_xfixes_id); - if (!reply || !reply->present) - return; - - auto xfixes_query = Q_XCB_REPLY(xcb_xfixes_query_version, m_connection, - XCB_XFIXES_MAJOR_VERSION, - XCB_XFIXES_MINOR_VERSION); - if (!xfixes_query || xfixes_query->major_version < 2) { - qWarning("QXcbConnection: Failed to initialize XFixes"); - return; - } - xfixes_first_event = reply->first_event; - has_xfixes = true; -} - -void QXcbConnection::initializeXRender() -{ -#if QT_CONFIG(xcb_render) - const xcb_query_extension_reply_t *reply = xcb_get_extension_data(m_connection, &xcb_render_id); - if (!reply || !reply->present) { - qCDebug(lcQpaXcb, "XRender extension not present on the X server"); - return; - } - - auto xrender_query = Q_XCB_REPLY(xcb_render_query_version, m_connection, - XCB_RENDER_MAJOR_VERSION, - XCB_RENDER_MINOR_VERSION); - if (!xrender_query) { - qCWarning(lcQpaXcb, "xcb_render_query_version failed"); - return; - } - - has_render_extension = true; - m_xrenderVersion.first = xrender_query->major_version; - m_xrenderVersion.second = xrender_query->minor_version; -#endif -} - -void QXcbConnection::initializeXRandr() -{ - const xcb_query_extension_reply_t *reply = xcb_get_extension_data(m_connection, &xcb_randr_id); - if (!reply || !reply->present) - return; - - xrandr_first_event = reply->first_event; - - auto xrandr_query = Q_XCB_REPLY(xcb_randr_query_version, m_connection, - XCB_RANDR_MAJOR_VERSION, - XCB_RANDR_MINOR_VERSION); - - has_randr_extension = true; - - if (!xrandr_query || (xrandr_query->major_version < 1 || (xrandr_query->major_version == 1 && xrandr_query->minor_version < 2))) { - qWarning("QXcbConnection: Failed to initialize XRandr"); - has_randr_extension = false; - } - - xcb_screen_iterator_t rootIter = xcb_setup_roots_iterator(m_setup); - for (; rootIter.rem; xcb_screen_next(&rootIter)) { - xcb_randr_select_input(xcb_connection(), - rootIter.data->root, - XCB_RANDR_NOTIFY_MASK_SCREEN_CHANGE | - XCB_RANDR_NOTIFY_MASK_OUTPUT_CHANGE | - XCB_RANDR_NOTIFY_MASK_CRTC_CHANGE | - XCB_RANDR_NOTIFY_MASK_OUTPUT_PROPERTY - ); - } -} - -void QXcbConnection::initializeXinerama() -{ - const xcb_query_extension_reply_t *reply = xcb_get_extension_data(m_connection, &xcb_xinerama_id); - if (!reply || !reply->present) - return; - - auto xinerama_is_active = Q_XCB_REPLY(xcb_xinerama_is_active, m_connection); - has_xinerama_extension = xinerama_is_active && xinerama_is_active->state; -} - -void QXcbConnection::initializeXShape() -{ - const xcb_query_extension_reply_t *xshape_reply = xcb_get_extension_data(m_connection, &xcb_shape_id); - if (!xshape_reply || !xshape_reply->present) - return; - - has_shape_extension = true; - auto shape_query = Q_XCB_REPLY(xcb_shape_query_version, m_connection); - if (!shape_query) { - qWarning("QXcbConnection: Failed to initialize SHAPE extension"); - } else if (shape_query->major_version > 1 || (shape_query->major_version == 1 && shape_query->minor_version >= 1)) { - // The input shape is the only thing added in SHAPE 1.1 - has_input_shape = true; - } -} - -void QXcbConnection::initializeXKB() -{ -#if QT_CONFIG(xkb) - const xcb_query_extension_reply_t *reply = xcb_get_extension_data(m_connection, &xcb_xkb_id); - if (!reply || !reply->present) { - qWarning("Qt: XKEYBOARD extension not present on the X server."); - xkb_first_event = 0; - return; - } - xkb_first_event = reply->first_event; - - xcb_connection_t *c = connection()->xcb_connection(); - - auto xkb_query = Q_XCB_REPLY(xcb_xkb_use_extension, c, - XKB_X11_MIN_MAJOR_XKB_VERSION, - XKB_X11_MIN_MINOR_XKB_VERSION); - - if (!xkb_query) { - qWarning("Qt: Failed to initialize XKB extension"); - return; - } else if (!xkb_query->supported) { - qWarning("Qt: Unsupported XKB version (We want %d %d, but X server has %d %d)", - XCB_XKB_MAJOR_VERSION, XCB_XKB_MINOR_VERSION, - xkb_query->serverMajor, xkb_query->serverMinor); - return; - } - - has_xkb = true; - - const uint16_t required_map_parts = (XCB_XKB_MAP_PART_KEY_TYPES | - XCB_XKB_MAP_PART_KEY_SYMS | - XCB_XKB_MAP_PART_MODIFIER_MAP | - XCB_XKB_MAP_PART_EXPLICIT_COMPONENTS | - XCB_XKB_MAP_PART_KEY_ACTIONS | - XCB_XKB_MAP_PART_KEY_BEHAVIORS | - XCB_XKB_MAP_PART_VIRTUAL_MODS | - XCB_XKB_MAP_PART_VIRTUAL_MOD_MAP); - - const uint16_t required_events = (XCB_XKB_EVENT_TYPE_NEW_KEYBOARD_NOTIFY | - XCB_XKB_EVENT_TYPE_MAP_NOTIFY | - XCB_XKB_EVENT_TYPE_STATE_NOTIFY); - - // XKB events are reported to all interested clients without regard - // to the current keyboard input focus or grab state - xcb_void_cookie_t select = xcb_xkb_select_events_checked(c, - XCB_XKB_ID_USE_CORE_KBD, - required_events, - 0, - required_events, - required_map_parts, - required_map_parts, - 0); - - xcb_generic_error_t *error = xcb_request_check(c, select); - if (error) { - free(error); - qWarning("Qt: failed to select notify events from xcb-xkb"); - return; - } -#endif -} - -void QXcbConnection::initializeXSync() -{ - const xcb_query_extension_reply_t *reply = xcb_get_extension_data(xcb_connection(), &xcb_sync_id); - if (!reply || !reply->present) - return; - - has_sync_extension = true; -} - QXcbSystemTrayTracker *QXcbConnection::systemTrayTracker() const { if (!m_systemTrayTracker) { |