diff --git a/configure b/configure index de0a1bd5d7d16b5b8807a01d38a464bb1b09a324..7251e8e673bb776eb900a13d322438a8130e1784 100755 --- a/configure +++ b/configure @@ -5358,6 +5358,14 @@ fi # auto-detect XInput2 support if [ "$CFG_XINPUT2" != "no" ]; then if compileTest x11/xinput2 "XInput2"; then + if [ -n "$PKG_CONFIG" ] && $PKG_CONFIG --exists xi 2>/dev/null; then + QMAKE_LIBXI_VERSION_MAJOR=`$PKG_CONFIG --modversion xi 2>/dev/null | cut -d . -f 1` + QMAKE_LIBXI_VERSION_MINOR=`$PKG_CONFIG --modversion xi 2>/dev/null | cut -d . -f 2` + QMAKE_LIBXI_VERSION_PATCH=`$PKG_CONFIG --modversion xi 2>/dev/null | cut -d . -f 3` + QMakeVar set QMAKE_LIBXI_VERSION_MAJOR "$QMAKE_LIBXI_VERSION_MAJOR" + QMakeVar set QMAKE_LIBXI_VERSION_MINOR "$QMAKE_LIBXI_VERSION_MINOR" + QMakeVar set QMAKE_LIBXI_VERSION_PATCH "$QMAKE_LIBXI_VERSION_PATCH" + fi CFG_XINPUT2=yes CFG_XINPUT=no else diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp index 92d064df9b35e3cd283337396bb9f02798cd9c29..80c844e6587fc018821a6cf9db70598a7d18d36e 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection.cpp @@ -70,7 +70,6 @@ #endif #if defined(XCB_USE_XINPUT2) -#include <X11/extensions/XInput2.h> #include <X11/extensions/XI2proto.h> #endif @@ -457,6 +456,7 @@ QXcbConnection::QXcbConnection(QXcbNativeInterface *nativeInterface, bool canGra , m_focusWindow(0) , m_systemTrayTracker(0) , m_glIntegration(Q_NULLPTR) + , m_xiGrab(false) { #ifdef XCB_USE_XLIB Display *dpy = XOpenDisplay(m_displayName.constData()); @@ -909,7 +909,7 @@ static Qt::MouseButtons translateMouseButtons(int s) return ret; } -static Qt::MouseButton translateMouseButton(xcb_button_t s) +Qt::MouseButton QXcbConnection::translateMouseButton(xcb_button_t s) { switch (s) { case 1: return Qt::LeftButton; @@ -944,39 +944,6 @@ static Qt::MouseButton translateMouseButton(xcb_button_t s) } } -void QXcbConnection::handleButtonPress(xcb_generic_event_t *ev) -{ - xcb_button_press_event_t *event = (xcb_button_press_event_t *)ev; - - // the event explicitly contains the state of the three first buttons, - // the rest we need to manage ourselves - m_buttons = (m_buttons & ~0x7) | translateMouseButtons(event->state); - m_buttons |= translateMouseButton(event->detail); - qCDebug(lcQpaXInput, "xcb: pressed mouse button %d, button state %X", event->detail, static_cast<unsigned int>(m_buttons)); -} - -void QXcbConnection::handleButtonRelease(xcb_generic_event_t *ev) -{ - xcb_button_release_event_t *event = (xcb_button_release_event_t *)ev; - - // the event explicitly contains the state of the three first buttons, - // the rest we need to manage ourselves - m_buttons = (m_buttons & ~0x7) | translateMouseButtons(event->state); - m_buttons &= ~translateMouseButton(event->detail); - qCDebug(lcQpaXInput, "xcb: released mouse button %d, button state %X", event->detail, static_cast<unsigned int>(m_buttons)); -} - -void QXcbConnection::handleMotionNotify(xcb_generic_event_t *ev) -{ - xcb_motion_notify_event_t *event = (xcb_motion_notify_event_t *)ev; - - m_buttons = (m_buttons & ~0x7) | translateMouseButtons(event->state); -#ifdef Q_XCB_DEBUG - qCDebug(lcQpaXInput, "xcb: moved mouse to %4d, %4d; button state %X", - event->event_x, event->event_y, static_cast<unsigned int>(m_buttons)); -#endif -} - #ifndef QT_NO_XKB namespace { typedef union { @@ -1018,18 +985,35 @@ void QXcbConnection::handleXcbEvent(xcb_generic_event_t *event) switch (response_type) { case XCB_EXPOSE: HANDLE_PLATFORM_WINDOW_EVENT(xcb_expose_event_t, window, handleExposeEvent); - case XCB_BUTTON_PRESS: - m_keyboard->updateXKBStateFromCore(((xcb_button_press_event_t *)event)->state); - handleButtonPress(event); + + // press/release/motion is only delivered here when XI 2.2+ is _not_ in use + case XCB_BUTTON_PRESS: { + xcb_button_press_event_t *ev = (xcb_button_press_event_t *)event; + m_keyboard->updateXKBStateFromCore(ev->state); + // the event explicitly contains the state of the three first buttons, + // the rest we need to manage ourselves + m_buttons = (m_buttons & ~0x7) | translateMouseButtons(ev->state); + m_buttons |= translateMouseButton(ev->detail); + qCDebug(lcQpaXInput, "legacy mouse press, button %d state %X", ev->detail, static_cast<unsigned int>(m_buttons)); HANDLE_PLATFORM_WINDOW_EVENT(xcb_button_press_event_t, event, handleButtonPressEvent); - case XCB_BUTTON_RELEASE: - m_keyboard->updateXKBStateFromCore(((xcb_button_release_event_t *)event)->state); - handleButtonRelease(event); + } + case XCB_BUTTON_RELEASE: { + xcb_button_release_event_t *ev = (xcb_button_release_event_t *)event; + m_keyboard->updateXKBStateFromCore(ev->state); + m_buttons = (m_buttons & ~0x7) | translateMouseButtons(ev->state); + m_buttons &= ~translateMouseButton(ev->detail); + qCDebug(lcQpaXInput, "legacy mouse release, button %d state %X", ev->detail, static_cast<unsigned int>(m_buttons)); HANDLE_PLATFORM_WINDOW_EVENT(xcb_button_release_event_t, event, handleButtonReleaseEvent); - case XCB_MOTION_NOTIFY: - m_keyboard->updateXKBStateFromCore(((xcb_motion_notify_event_t *)event)->state); - handleMotionNotify(event); + } + case XCB_MOTION_NOTIFY: { + xcb_motion_notify_event_t *ev = (xcb_motion_notify_event_t *)event; + m_keyboard->updateXKBStateFromCore(ev->state); + m_buttons = (m_buttons & ~0x7) | translateMouseButtons(ev->state); + qCDebug(lcQpaXInput, "legacy mouse move %d,%d button %d state %X", ev->event_x, ev->event_y, + ev->detail, static_cast<unsigned int>(m_buttons)); HANDLE_PLATFORM_WINDOW_EVENT(xcb_motion_notify_event_t, event, handleMotionNotifyEvent); + } + case XCB_CONFIGURE_NOTIFY: HANDLE_PLATFORM_WINDOW_EVENT(xcb_configure_notify_event_t, event, handleConfigureNotifyEvent); case XCB_MAP_NOTIFY: @@ -1090,6 +1074,7 @@ void QXcbConnection::handleXcbEvent(xcb_generic_event_t *event) break; #if defined(XCB_USE_XINPUT2) case XCB_GE_GENERIC: + // Here the windowEventListener is invoked from xi2HandleEvent() if (m_xi2Enabled) xi2HandleEvent(reinterpret_cast<xcb_ge_event_t *>(event)); break; @@ -1931,6 +1916,12 @@ void QXcbConnection::initializeXKB() #endif } +bool QXcbConnection::xi2MouseEvents() const +{ + static bool mouseViaXI2 = !qEnvironmentVariableIsSet("QT_XCB_NO_XI2_MOUSE"); + return mouseViaXI2; +} + #if defined(XCB_USE_XINPUT2) static int xi2ValuatorOffset(unsigned char *maskPtr, int maskLen, int number) { diff --git a/src/plugins/platforms/xcb/qxcbconnection.h b/src/plugins/platforms/xcb/qxcbconnection.h index e4274eca4d1475c544e5570c35278872c213ab8a..2005ae0701700d93a6a22f61fae834d79b1a3cf1 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.h +++ b/src/plugins/platforms/xcb/qxcbconnection.h @@ -69,7 +69,8 @@ #endif #endif struct XInput2TouchDeviceData; -#endif +#endif // XCB_USE_XINPUT2 + struct xcb_randr_get_output_info_reply_t; //#define Q_XCB_DEBUG @@ -347,6 +348,7 @@ public: virtual void handleFocusInEvent(const xcb_focus_in_event_t *) {} virtual void handleFocusOutEvent(const xcb_focus_out_event_t *) {} virtual void handlePropertyNotifyEvent(const xcb_property_notify_event_t *) {} + virtual void handleXIMouseEvent(xcb_ge_event_t *) {} virtual QXcbWindow *toWindow() { return 0; } }; @@ -413,14 +415,14 @@ public: void xi2Select(xcb_window_t window); #endif #ifdef XCB_USE_XINPUT21 - bool isUsingXInput21() const { return m_xi2Enabled && m_xi2Minor >= 1; } + bool isAtLeastXI21() const { return m_xi2Enabled && m_xi2Minor >= 1; } #else - bool isUsingXInput21() const { return false; } + bool isAtLeastXI21() const { return false; } #endif #ifdef XCB_USE_XINPUT22 - bool isUsingXInput22() const { return m_xi2Enabled && m_xi2Minor >= 2; } + bool isAtLeastXI22() const { return m_xi2Enabled && m_xi2Minor >= 2; } #else - bool isUsingXInput22() const { return false; } + bool isAtLeastXI22() const { return false; } #endif void sync(); @@ -457,7 +459,9 @@ public: xcb_timestamp_t getTimestamp(); + void setButton(Qt::MouseButton button, bool down) { if (down) m_buttons |= button; else m_buttons &= ~button; } Qt::MouseButtons buttons() const { return m_buttons; } + Qt::MouseButton translateMouseButton(xcb_button_t s); QXcbWindow *focusWindow() const { return m_focusWindow; } void setFocusWindow(QXcbWindow *); @@ -477,11 +481,19 @@ public: void handleEnterEvent(const xcb_enter_notify_event_t *); #endif +#ifdef XCB_USE_XINPUT22 + bool xi2SetMouseGrabEnabled(xcb_window_t w, bool grab); +#endif + Qt::MouseButton xiToQtMouseButton(uint32_t b); + QXcbEventReader *eventReader() const { return m_reader; } bool canGrab() const { return m_canGrabServer; } QXcbGlIntegration *glIntegration() const { return m_glIntegration; } + + bool xi2MouseEvents() const; + protected: bool event(QEvent *e) Q_DECL_OVERRIDE; @@ -509,9 +521,6 @@ private: bool checkOutputIsPrimary(xcb_window_t rootWindow, xcb_randr_output_t output); void initializeScreens(); void updateScreens(const xcb_randr_notify_event_t *event); - void handleButtonPress(xcb_generic_event_t *event); - void handleButtonRelease(xcb_generic_event_t *event); - void handleMotionNotify(xcb_generic_event_t *event); bool m_xi2Enabled; int m_xi2Minor; @@ -524,6 +533,9 @@ private: void xi2HandleHierachyEvent(void *event); void xi2HandleDeviceChangedEvent(void *event); int m_xiOpCode, m_xiEventBase, m_xiErrorBase; +#ifdef XCB_USE_XINPUT22 + void xi2ProcessTouch(void *xiDevEvent, QXcbWindow *platformWindow); +#endif // XCB_USE_XINPUT22 #ifndef QT_NO_TABLETEVENT struct TabletData { TabletData() : deviceId(0), pointerType(QTabletEvent::UnknownPointer), @@ -543,10 +555,10 @@ private: }; QHash<int, ValuatorClassInfo> valuatorInfo; }; - bool xi2HandleTabletEvent(void *event, TabletData *tabletData); + bool xi2HandleTabletEvent(void *event, TabletData *tabletData, QXcbWindowEventListener *eventListener); void xi2ReportTabletEvent(TabletData &tabletData, void *event); QVector<TabletData> m_tabletData; -#endif +#endif // !QT_NO_TABLETEVENT struct ScrollingDevice { ScrollingDevice() : deviceId(0), verticalIndex(0), horizontalIndex(0), orientations(0), legacyOrientations(0) { } int deviceId; @@ -559,9 +571,7 @@ private: void updateScrollingDevice(ScrollingDevice& scrollingDevice, int num_classes, void *classes); void xi2HandleScrollEvent(void *event, ScrollingDevice &scrollingDevice); QHash<int, ScrollingDevice> m_scrollingDevices; -#endif // XCB_USE_XINPUT2 -#if defined(XCB_USE_XINPUT2) static bool xi2GetValuatorValueIfSet(void *event, int valuatorNum, double *value); static bool xi2PrepareXIGenericDeviceEvent(xcb_ge_event_t *event, int opCode); #endif @@ -633,6 +643,7 @@ private: QByteArray m_startupId; QXcbSystemTrayTracker *m_systemTrayTracker; QXcbGlIntegration *m_glIntegration; + bool m_xiGrab; friend class QXcbEventReader; }; diff --git a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp index 1848fc14f04958a208f32e5a41c3d4be45e13c64..0e8a162a7d4a7ac5ddd56e3cbd6bf063536e61ce 100644 --- a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp @@ -275,34 +275,37 @@ void QXcbConnection::xi2Select(xcb_window_t window) unsigned char *xiBitMask = reinterpret_cast<unsigned char *>(&bitMask); #ifdef XCB_USE_XINPUT22 - if (isUsingXInput22()) { + if (isAtLeastXI22()) { bitMask |= XI_TouchBeginMask; bitMask |= XI_TouchUpdateMask; bitMask |= XI_TouchEndMask; + bitMask |= XI_PropertyEventMask; // for tablets + if (xi2MouseEvents()) { + // We want both mouse and touch through XI2 if touch is supported (>= 2.2). + // The plain xcb press and motion events will not be delivered after this. + bitMask |= XI_ButtonPressMask; + bitMask |= XI_ButtonReleaseMask; + bitMask |= XI_MotionMask; + qCDebug(lcQpaXInput, "XInput 2.2: Selecting press/release/motion events in addition to touch"); + } XIEventMask mask; mask.mask_len = sizeof(bitMask); mask.mask = xiBitMask; - if (!m_touchDevices.isEmpty()) { - // If we select for touch events on the master pointer, XInput2 - // will not synthesize mouse events. This means Qt must do it, - // which is also preferable, since Qt can control better when - // to do so. - mask.deviceid = XIAllMasterDevices; - Status result = XISelectEvents(xDisplay, window, &mask, 1); - if (result != Success) - qCDebug(lcQpaXInput, "XInput 2.2: failed to select touch events, window %x, result %d", window, result); - } + // When xi2MouseEvents() is true (the default), pointer emulation for touch and tablet + // events will get disabled. This is preferable for touch, as Qt Quick handles touch events + // directly while for others QtGui synthesizes mouse events, not so much for tablets. For + // the latter we will synthesize the events ourselves. + mask.deviceid = XIAllMasterDevices; + Status result = XISelectEvents(xDisplay, window, &mask, 1); + if (result != Success) + qCDebug(lcQpaXInput, "XInput 2.2: failed to select pointer/touch events, window %x, result %d", window, result); } #endif // XCB_USE_XINPUT22 + const bool pointerSelected = isAtLeastXI22() && xi2MouseEvents(); QSet<int> tabletDevices; #ifndef QT_NO_TABLETEVENT - // For each tablet, select some additional event types. - // Press, motion, etc. events must never be selected for _all_ devices - // as that would render the standard XCB_MOTION_NOTIFY and - // similar handlers useless and we have no intention to infect - // all the pure xcb code with Xlib-based XI2. - if (!m_tabletData.isEmpty()) { + if (!m_tabletData.isEmpty() && !pointerSelected) { unsigned int tabletBitMask; unsigned char *xiTabletBitMask = reinterpret_cast<unsigned char *>(&tabletBitMask); QVector<XIEventMask> xiEventMask(m_tabletData.count()); @@ -323,7 +326,8 @@ void QXcbConnection::xi2Select(xcb_window_t window) #ifdef XCB_USE_XINPUT21 // Enable each scroll device - if (!m_scrollingDevices.isEmpty()) { + if (!m_scrollingDevices.isEmpty() && !pointerSelected) { + // Only when XI2 mouse events are not enabled, otherwise motion and release are selected already. QVector<XIEventMask> xiEventMask(m_scrollingDevices.size()); unsigned int scrollBitMask; unsigned char *xiScrollBitMask = reinterpret_cast<unsigned char *>(&scrollBitMask); @@ -425,7 +429,7 @@ XInput2TouchDeviceData *QXcbConnection::touchDeviceForId(int id) dev->size.width() > 10000 || dev->size.height() > 10000) dev->size = QSizeF(130, 110); } - if (!isUsingXInput22() || type == QTouchDevice::TouchPad) + if (!isAtLeastXI22() || type == QTouchDevice::TouchPad) caps |= QTouchDevice::MouseEmulation; if (type >= QTouchDevice::TouchScreen && type <= QTouchDevice::TouchPad) { @@ -447,7 +451,7 @@ XInput2TouchDeviceData *QXcbConnection::touchDeviceForId(int id) } #if defined(XCB_USE_XINPUT21) || !defined(QT_NO_TABLETEVENT) -static qreal fixed1616ToReal(FP1616 val) +static inline qreal fixed1616ToReal(FP1616 val) { return qreal(val) / 0x10000; } @@ -468,155 +472,280 @@ void QXcbConnection::xi2HandleEvent(xcb_ge_event_t *event) { if (xi2PrepareXIGenericDeviceEvent(event, m_xiOpCode)) { xXIGenericDeviceEvent *xiEvent = reinterpret_cast<xXIGenericDeviceEvent *>(event); + int sourceDeviceId = xiEvent->deviceid; // may be the master id + xXIDeviceEvent *xiDeviceEvent = 0; + QXcbWindowEventListener *eventListener = 0; - if (xiEvent->evtype == XI_HierarchyChanged) { + switch (xiEvent->evtype) { + case XI_ButtonPress: + case XI_ButtonRelease: + case XI_Motion: + case XI_TouchBegin: + case XI_TouchUpdate: + case XI_TouchEnd: + { + xiDeviceEvent = reinterpret_cast<xXIDeviceEvent *>(event); + eventListener = windowEventListenerFromId(xiDeviceEvent->event); + if (eventListener) { + long result = 0; + if (eventListener->handleGenericEvent(reinterpret_cast<xcb_generic_event_t *>(event), &result)) + return; + } + sourceDeviceId = xiDeviceEvent->sourceid; // use the actual device id instead of the master + break; + } + case XI_HierarchyChanged: xi2HandleHierachyEvent(xiEvent); return; - } - if (xiEvent->evtype == XI_DeviceChanged) { + case XI_DeviceChanged: xi2HandleDeviceChangedEvent(xiEvent); return; + default: + break; } #ifndef QT_NO_TABLETEVENT for (int i = 0; i < m_tabletData.count(); ++i) { - if (m_tabletData.at(i).deviceId == xiEvent->deviceid) { - if (xi2HandleTabletEvent(xiEvent, &m_tabletData[i])) + if (m_tabletData.at(i).deviceId == sourceDeviceId) { + if (xi2HandleTabletEvent(xiEvent, &m_tabletData[i], eventListener)) return; } } #endif // QT_NO_TABLETEVENT #ifdef XCB_USE_XINPUT21 - QHash<int, ScrollingDevice>::iterator device = m_scrollingDevices.find(xiEvent->deviceid); + QHash<int, ScrollingDevice>::iterator device = m_scrollingDevices.find(sourceDeviceId); if (device != m_scrollingDevices.end()) xi2HandleScrollEvent(xiEvent, device.value()); #endif // XCB_USE_XINPUT21 #ifdef XCB_USE_XINPUT22 - if (xiEvent->evtype == XI_TouchBegin || xiEvent->evtype == XI_TouchUpdate || xiEvent->evtype == XI_TouchEnd) { - xXIDeviceEvent* xiDeviceEvent = reinterpret_cast<xXIDeviceEvent *>(event); - if (Q_UNLIKELY(lcQpaXInput().isDebugEnabled())) - qCDebug(lcQpaXInput, "XI2 touch event type %d seq %d detail %d pos %6.1f, %6.1f root pos %6.1f, %6.1f", - event->event_type, xiEvent->sequenceNumber, xiDeviceEvent->detail, - fixed1616ToReal(xiDeviceEvent->event_x), fixed1616ToReal(xiDeviceEvent->event_y), - fixed1616ToReal(xiDeviceEvent->root_x), fixed1616ToReal(xiDeviceEvent->root_y) ); - - if (QXcbWindow *platformWindow = platformWindowFromId(xiDeviceEvent->event)) { - XInput2TouchDeviceData *dev = touchDeviceForId(xiDeviceEvent->sourceid); - Q_ASSERT(dev); - const bool firstTouch = m_touchPoints.isEmpty(); - if (xiEvent->evtype == XI_TouchBegin) { - QWindowSystemInterface::TouchPoint tp; - tp.id = xiDeviceEvent->detail % INT_MAX; - tp.state = Qt::TouchPointPressed; - tp.pressure = -1.0; - m_touchPoints[tp.id] = tp; - } - QWindowSystemInterface::TouchPoint &touchPoint = m_touchPoints[xiDeviceEvent->detail]; - qreal x = fixed1616ToReal(xiDeviceEvent->root_x); - qreal y = fixed1616ToReal(xiDeviceEvent->root_y); - qreal nx = -1.0, ny = -1.0, d = 0.0; - QXcbScreen* screen = m_screens.at(0); - for (int i = 0; i < dev->xiDeviceInfo->num_classes; ++i) { - XIAnyClassInfo *classinfo = dev->xiDeviceInfo->classes[i]; - if (classinfo->type == XIValuatorClass) { - XIValuatorClassInfo *vci = reinterpret_cast<XIValuatorClassInfo *>(classinfo); - int n = vci->number; - double value; - if (!xi2GetValuatorValueIfSet(xiDeviceEvent, n, &value)) - continue; - if (Q_UNLIKELY(lcQpaXInput().isDebugEnabled())) - qCDebug(lcQpaXInput, " valuator %20s value %lf from range %lf -> %lf", - atomName(vci->label).constData(), value, vci->min, vci->max ); - if (vci->label == atom(QXcbAtom::RelX)) { - nx = valuatorNormalized(value, vci); - } else if (vci->label == atom(QXcbAtom::RelY)) { - ny = valuatorNormalized(value, vci); - } else if (vci->label == atom(QXcbAtom::AbsX)) { - nx = valuatorNormalized(value, vci); - } else if (vci->label == atom(QXcbAtom::AbsY)) { - ny = valuatorNormalized(value, vci); - } else if (vci->label == atom(QXcbAtom::AbsMTPositionX)) { - nx = valuatorNormalized(value, vci); - } else if (vci->label == atom(QXcbAtom::AbsMTPositionY)) { - ny = valuatorNormalized(value, vci); - } else if (vci->label == atom(QXcbAtom::AbsMTTouchMajor)) { - d = valuatorNormalized(value, vci) * screen->geometry().width(); - } else if (vci->label == atom(QXcbAtom::AbsMTPressure) || - vci->label == atom(QXcbAtom::AbsPressure)) { - touchPoint.pressure = valuatorNormalized(value, vci); - } - } - } - // If any value was not updated, use the last-known value. - if (nx == -1.0) { - x = touchPoint.area.center().x(); - nx = x / screen->geometry().width(); - } - if (ny == -1.0) { - y = touchPoint.area.center().y(); - ny = y / screen->geometry().height(); - } - if (xiEvent->evtype != XI_TouchEnd) { - if (d == 0.0) - d = touchPoint.area.width(); - } - - switch (xiEvent->evtype) { - case XI_TouchBegin: - if (firstTouch) { - dev->firstPressedPosition = QPointF(x, y); - dev->firstPressedNormalPosition = QPointF(nx, ny); - } - dev->pointPressedPosition.insert(touchPoint.id, QPointF(x, y)); - break; - case XI_TouchUpdate: - if (dev->qtTouchDevice->type() == QTouchDevice::TouchPad && dev->pointPressedPosition.value(touchPoint.id) == QPointF(x, y)) { - qreal dx = (nx - dev->firstPressedNormalPosition.x()) * - dev->size.width() * screen->geometry().width() / screen->physicalSize().width(); - qreal dy = (ny - dev->firstPressedNormalPosition.y()) * - dev->size.height() * screen->geometry().height() / screen->physicalSize().height(); - x = dev->firstPressedPosition.x() + dx; - y = dev->firstPressedPosition.y() + dy; - touchPoint.state = Qt::TouchPointMoved; - } else if (touchPoint.area.center() != QPoint(x, y)) { - touchPoint.state = Qt::TouchPointMoved; - dev->pointPressedPosition[touchPoint.id] = QPointF(x, y); - } - break; - case XI_TouchEnd: - touchPoint.state = Qt::TouchPointReleased; - if (dev->qtTouchDevice->type() == QTouchDevice::TouchPad && dev->pointPressedPosition.value(touchPoint.id) == QPointF(x, y)) { - qreal dx = (nx - dev->firstPressedNormalPosition.x()) * - dev->size.width() * screen->geometry().width() / screen->physicalSize().width(); - qreal dy = (ny - dev->firstPressedNormalPosition.y()) * - dev->size.width() * screen->geometry().width() / screen->physicalSize().width(); - x = dev->firstPressedPosition.x() + dx; - y = dev->firstPressedPosition.y() + dy; - } - dev->pointPressedPosition.remove(touchPoint.id); - } - touchPoint.area = QRectF(x - d/2, y - d/2, d, d); - touchPoint.normalPosition = QPointF(nx, ny); + if (xiDeviceEvent) { + switch (xiDeviceEvent->evtype) { + case XI_ButtonPress: + case XI_ButtonRelease: + case XI_Motion: + if (xi2MouseEvents() && eventListener) + eventListener->handleXIMouseEvent(event); + break; + case XI_TouchBegin: + case XI_TouchUpdate: + case XI_TouchEnd: if (Q_UNLIKELY(lcQpaXInput().isDebugEnabled())) - qCDebug(lcQpaXInput) << " touchpoint " << touchPoint.id << " state " << touchPoint.state << " pos norm " << touchPoint.normalPosition << - " area " << touchPoint.area << " pressure " << touchPoint.pressure; - QWindowSystemInterface::handleTouchEvent(platformWindow->window(), xiEvent->time, dev->qtTouchDevice, m_touchPoints.values()); - if (touchPoint.state == Qt::TouchPointReleased) - // If a touchpoint was released, we can forget it, because the ID won't be reused. - m_touchPoints.remove(touchPoint.id); - else - // Make sure that we don't send TouchPointPressed/Moved in more than one QTouchEvent - // with this touch point if the next XI2 event is about a different touch point. - touchPoint.state = Qt::TouchPointStationary; + qCDebug(lcQpaXInput, "XI2 touch event type %d seq %d detail %d pos %6.1f, %6.1f root pos %6.1f, %6.1f on window %x", + event->event_type, xiDeviceEvent->sequenceNumber, xiDeviceEvent->detail, + fixed1616ToReal(xiDeviceEvent->event_x), fixed1616ToReal(xiDeviceEvent->event_y), + fixed1616ToReal(xiDeviceEvent->root_x), fixed1616ToReal(xiDeviceEvent->root_y),xiDeviceEvent->event); + if (QXcbWindow *platformWindow = platformWindowFromId(xiDeviceEvent->event)) + xi2ProcessTouch(xiDeviceEvent, platformWindow); + break; } } #endif // XCB_USE_XINPUT22 } } +#ifdef XCB_USE_XINPUT22 +void QXcbConnection::xi2ProcessTouch(void *xiDevEvent, QXcbWindow *platformWindow) +{ + xXIDeviceEvent *xiDeviceEvent = static_cast<xXIDeviceEvent *>(xiDevEvent); + XInput2TouchDeviceData *dev = touchDeviceForId(xiDeviceEvent->sourceid); + Q_ASSERT(dev); + const bool firstTouch = m_touchPoints.isEmpty(); + if (xiDeviceEvent->evtype == XI_TouchBegin) { + QWindowSystemInterface::TouchPoint tp; + tp.id = xiDeviceEvent->detail % INT_MAX; + tp.state = Qt::TouchPointPressed; + tp.pressure = -1.0; + m_touchPoints[tp.id] = tp; + } + QWindowSystemInterface::TouchPoint &touchPoint = m_touchPoints[xiDeviceEvent->detail]; + qreal x = fixed1616ToReal(xiDeviceEvent->root_x); + qreal y = fixed1616ToReal(xiDeviceEvent->root_y); + qreal nx = -1.0, ny = -1.0, d = 0.0; + QXcbScreen* screen = m_screens.at(0); + for (int i = 0; i < dev->xiDeviceInfo->num_classes; ++i) { + XIAnyClassInfo *classinfo = dev->xiDeviceInfo->classes[i]; + if (classinfo->type == XIValuatorClass) { + XIValuatorClassInfo *vci = reinterpret_cast<XIValuatorClassInfo *>(classinfo); + int n = vci->number; + double value; + if (!xi2GetValuatorValueIfSet(xiDeviceEvent, n, &value)) + continue; + if (Q_UNLIKELY(lcQpaXInput().isDebugEnabled())) + qCDebug(lcQpaXInput, " valuator %20s value %lf from range %lf -> %lf", + atomName(vci->label).constData(), value, vci->min, vci->max ); + if (vci->label == atom(QXcbAtom::RelX)) { + nx = valuatorNormalized(value, vci); + } else if (vci->label == atom(QXcbAtom::RelY)) { + ny = valuatorNormalized(value, vci); + } else if (vci->label == atom(QXcbAtom::AbsX)) { + nx = valuatorNormalized(value, vci); + } else if (vci->label == atom(QXcbAtom::AbsY)) { + ny = valuatorNormalized(value, vci); + } else if (vci->label == atom(QXcbAtom::AbsMTPositionX)) { + nx = valuatorNormalized(value, vci); + } else if (vci->label == atom(QXcbAtom::AbsMTPositionY)) { + ny = valuatorNormalized(value, vci); + } else if (vci->label == atom(QXcbAtom::AbsMTTouchMajor)) { + d = valuatorNormalized(value, vci) * screen->geometry().width(); + } else if (vci->label == atom(QXcbAtom::AbsMTPressure) || + vci->label == atom(QXcbAtom::AbsPressure)) { + touchPoint.pressure = valuatorNormalized(value, vci); + } + } + } + // If any value was not updated, use the last-known value. + if (nx == -1.0) { + x = touchPoint.area.center().x(); + nx = x / screen->geometry().width(); + } + if (ny == -1.0) { + y = touchPoint.area.center().y(); + ny = y / screen->geometry().height(); + } + if (xiDeviceEvent->evtype != XI_TouchEnd) { + if (d == 0.0) + d = touchPoint.area.width(); + } + + switch (xiDeviceEvent->evtype) { + case XI_TouchBegin: + if (firstTouch) { + dev->firstPressedPosition = QPointF(x, y); + dev->firstPressedNormalPosition = QPointF(nx, ny); + } + dev->pointPressedPosition.insert(touchPoint.id, QPointF(x, y)); + + // Touches must be accepted when we are grabbing touch events. Otherwise the entire sequence + // will get replayed when the grab ends. + if (m_xiGrab) { + // XIAllowTouchEvents deadlocks with libXi < 1.7.4 (this has nothing to do with the XI2 versions like 2.2) + // http://lists.x.org/archives/xorg-devel/2014-July/043059.html +#ifndef LIBXI_MAJOR + static bool allowTouchWarningShown = false; + if (!allowTouchWarningShown) { + allowTouchWarningShown = true; + qWarning("Skipping XIAllowTouchEvents() because it was not possible to detect libXi version at build time." + " Minimum libXi version required is 1.7.4." + " Expect issues with touch behavior."); + } +#elif LIBXI_MAJOR == 1 && (LIBXI_MINOR < 7 || (LIBXI_MINOR == 7 && LIBXI_PATCH < 4)) + static bool allowTouchWarningShown = false; + if (!allowTouchWarningShown) { + allowTouchWarningShown = true; + qWarning("Skipping XIAllowTouchEvents() due to not having libXi >= 1.7.4." + " libXi version at build time was %d.%d.%d." + " Expect issues with touch behavior.", LIBXI_MAJOR, LIBXI_MINOR, LIBXI_PATCH); + } +#else + XIAllowTouchEvents(static_cast<Display *>(m_xlib_display), xiDeviceEvent->deviceid, + xiDeviceEvent->detail, xiDeviceEvent->event, XIAcceptTouch); +#endif + } + break; + case XI_TouchUpdate: + if (dev->qtTouchDevice->type() == QTouchDevice::TouchPad && dev->pointPressedPosition.value(touchPoint.id) == QPointF(x, y)) { + qreal dx = (nx - dev->firstPressedNormalPosition.x()) * + dev->size.width() * screen->geometry().width() / screen->physicalSize().width(); + qreal dy = (ny - dev->firstPressedNormalPosition.y()) * + dev->size.height() * screen->geometry().height() / screen->physicalSize().height(); + x = dev->firstPressedPosition.x() + dx; + y = dev->firstPressedPosition.y() + dy; + touchPoint.state = Qt::TouchPointMoved; + } else if (touchPoint.area.center() != QPoint(x, y)) { + touchPoint.state = Qt::TouchPointMoved; + dev->pointPressedPosition[touchPoint.id] = QPointF(x, y); + } + break; + case XI_TouchEnd: + touchPoint.state = Qt::TouchPointReleased; + if (dev->qtTouchDevice->type() == QTouchDevice::TouchPad && dev->pointPressedPosition.value(touchPoint.id) == QPointF(x, y)) { + qreal dx = (nx - dev->firstPressedNormalPosition.x()) * + dev->size.width() * screen->geometry().width() / screen->physicalSize().width(); + qreal dy = (ny - dev->firstPressedNormalPosition.y()) * + dev->size.width() * screen->geometry().width() / screen->physicalSize().width(); + x = dev->firstPressedPosition.x() + dx; + y = dev->firstPressedPosition.y() + dy; + } + dev->pointPressedPosition.remove(touchPoint.id); + } + touchPoint.area = QRectF(x - d/2, y - d/2, d, d); + touchPoint.normalPosition = QPointF(nx, ny); + + if (Q_UNLIKELY(lcQpaXInput().isDebugEnabled())) + qCDebug(lcQpaXInput) << " touchpoint " << touchPoint.id << " state " << touchPoint.state << " pos norm " << touchPoint.normalPosition << + " area " << touchPoint.area << " pressure " << touchPoint.pressure; + QWindowSystemInterface::handleTouchEvent(platformWindow->window(), xiDeviceEvent->time, dev->qtTouchDevice, m_touchPoints.values()); + if (touchPoint.state == Qt::TouchPointReleased) + // If a touchpoint was released, we can forget it, because the ID won't be reused. + m_touchPoints.remove(touchPoint.id); + else + // Make sure that we don't send TouchPointPressed/Moved in more than one QTouchEvent + // with this touch point if the next XI2 event is about a different touch point. + touchPoint.state = Qt::TouchPointStationary; +} + +bool QXcbConnection::xi2SetMouseGrabEnabled(xcb_window_t w, bool grab) +{ + if (grab && !canGrab()) + return false; + + int num_devices = 0; + Display *xDisplay = static_cast<Display *>(xlib_display()); + XIDeviceInfo *info = XIQueryDevice(xDisplay, XIAllMasterDevices, &num_devices); + if (!info) + return false; + + XIEventMask evmask; + unsigned char mask[XIMaskLen(XI_LASTEVENT)]; + evmask.mask = mask; + evmask.mask_len = sizeof(mask); + memset(mask, 0, sizeof(mask)); + evmask.deviceid = XIAllMasterDevices; + + XISetMask(mask, XI_ButtonPress); + XISetMask(mask, XI_ButtonRelease); + XISetMask(mask, XI_Motion); + XISetMask(mask, XI_TouchBegin); + XISetMask(mask, XI_TouchUpdate); + XISetMask(mask, XI_TouchEnd); + + bool grabbed = true; + for (int i = 0; i < num_devices; i++) { + int id = info[i].deviceid, n = 0; + XIDeviceInfo *deviceInfo = XIQueryDevice(xDisplay, id, &n); + if (deviceInfo) { + const bool grabbable = deviceInfo->use != XIMasterKeyboard; + XIFreeDeviceInfo(deviceInfo); + if (!grabbable) + continue; + } + if (!grab) { + Status result = XIUngrabDevice(xDisplay, id, CurrentTime); + if (result != Success) { + grabbed = false; + qCDebug(lcQpaXInput, "XInput 2.2: failed to ungrab events for device %d (result %d)", id, result); + } + } else { + Status result = XIGrabDevice(xDisplay, id, w, CurrentTime, None, XIGrabModeAsync, + XIGrabModeAsync, False, &evmask); + if (result != Success) { + grabbed = false; + qCDebug(lcQpaXInput, "XInput 2.2: failed to grab events for device %d on window %x (result %d)", id, w, result); + } + } + } + + XIFreeDeviceInfo(info); + + m_xiGrab = grabbed; + + return grabbed; +} +#endif // XCB_USE_XINPUT22 + void QXcbConnection::xi2HandleHierachyEvent(void *event) { xXIHierarchyEvent *xiEvent = reinterpret_cast<xXIHierarchyEvent *>(event); @@ -785,7 +914,8 @@ void QXcbConnection::xi2HandleScrollEvent(void *event, ScrollingDevice &scrollin #endif // XCB_USE_XINPUT21 } -static Qt::MouseButton xiToQtMouseButton(uint32_t b) { +Qt::MouseButton QXcbConnection::xiToQtMouseButton(uint32_t b) +{ switch (b) { case 1: return Qt::LeftButton; case 2: return Qt::MiddleButton; @@ -832,20 +962,29 @@ static QTabletEvent::TabletDevice toolIdToTabletDevice(quint32 toolId) { } #ifndef QT_NO_TABLETEVENT -bool QXcbConnection::xi2HandleTabletEvent(void *event, TabletData *tabletData) +bool QXcbConnection::xi2HandleTabletEvent(void *event, TabletData *tabletData, QXcbWindowEventListener *eventListener) { bool handled = true; Display *xDisplay = static_cast<Display *>(m_xlib_display); xXIGenericDeviceEvent *xiEvent = static_cast<xXIGenericDeviceEvent *>(event); + xXIDeviceEvent *xiDeviceEvent = reinterpret_cast<xXIDeviceEvent *>(xiEvent); + +#ifdef XCB_USE_XINPUT22 + // Synthesize mouse events since otherwise there are no mouse events from + // the pen on the XI 2.2+ path. + if (xi2MouseEvents() && eventListener) + eventListener->handleXIMouseEvent(reinterpret_cast<xcb_ge_event_t *>(event)); +#endif + switch (xiEvent->evtype) { case XI_ButtonPress: { - Qt::MouseButton b = xiToQtMouseButton(reinterpret_cast<xXIDeviceEvent *>(event)->detail); + Qt::MouseButton b = xiToQtMouseButton(xiDeviceEvent->detail); tabletData->buttons |= b; xi2ReportTabletEvent(*tabletData, xiEvent); break; } case XI_ButtonRelease: { - Qt::MouseButton b = xiToQtMouseButton(reinterpret_cast<xXIDeviceEvent *>(event)->detail); + Qt::MouseButton b = xiToQtMouseButton(xiDeviceEvent->detail); tabletData->buttons ^= b; xi2ReportTabletEvent(*tabletData, xiEvent); break; @@ -908,7 +1047,7 @@ bool QXcbConnection::xi2HandleTabletEvent(void *event, TabletData *tabletData) // TODO maybe have a hash of tabletData->deviceId to device data so we can // look up the tablet name here, and distinguish multiple tablets qCDebug(lcQpaXInput, "XI2 proximity change on tablet %d (USB %x): last tool: %x id %x current tool: %x id %x TabletDevice %d", - ev->deviceid, ptr[_WACSER_USB_ID], ptr[_WACSER_LAST_TOOL_SERIAL], ptr[_WACSER_LAST_TOOL_ID], + tabletData->deviceId, ptr[_WACSER_USB_ID], ptr[_WACSER_LAST_TOOL_SERIAL], ptr[_WACSER_LAST_TOOL_ID], ptr[_WACSER_TOOL_SERIAL], ptr[_WACSER_TOOL_ID], tabletData->tool); } XFree(data); @@ -972,7 +1111,7 @@ void QXcbConnection::xi2ReportTabletEvent(TabletData &tabletData, void *event) if (Q_UNLIKELY(lcQpaXInput().isDebugEnabled())) qCDebug(lcQpaXInput, "XI2 event on tablet %d with tool %d type %d seq %d detail %d pos %6.1f, %6.1f root pos %6.1f, %6.1f buttons 0x%x pressure %4.2lf tilt %d, %d rotation %6.2lf", - ev->deviceid, tabletData.tool, ev->evtype, ev->sequenceNumber, ev->detail, + tabletData.deviceId, tabletData.tool, ev->evtype, ev->sequenceNumber, ev->detail, fixed1616ToReal(ev->event_x), fixed1616ToReal(ev->event_y), fixed1616ToReal(ev->root_x), fixed1616ToReal(ev->root_y), (int)tabletData.buttons, pressure, xTilt, yTilt, rotation); diff --git a/src/plugins/platforms/xcb/qxcbkeyboard.cpp b/src/plugins/platforms/xcb/qxcbkeyboard.cpp index 6a9ef5869e8cb58be17079a1b9a0c84799969b32..2d96ed1c21c7fe0a3e5fd00f484e14518e397e25 100644 --- a/src/plugins/platforms/xcb/qxcbkeyboard.cpp +++ b/src/plugins/platforms/xcb/qxcbkeyboard.cpp @@ -47,6 +47,12 @@ #include <stdio.h> #include <X11/keysym.h> +#ifdef XCB_USE_XINPUT22 +#include <X11/extensions/XI2proto.h> +#undef KeyPress +#undef KeyRelease +#endif + #ifndef XK_ISO_Left_Tab #define XK_ISO_Left_Tab 0xFE20 #endif @@ -791,6 +797,31 @@ void QXcbKeyboard::updateXKBStateFromCore(quint16 state) } } +void QXcbKeyboard::updateXKBStateFromXI(void *modInfo, void *groupInfo) +{ +#ifdef XCB_USE_XINPUT22 + if (m_config && !connection()->hasXKB()) { + xXIModifierInfo *mods = static_cast<xXIModifierInfo *>(modInfo); + xXIGroupInfo *group = static_cast<xXIGroupInfo *>(groupInfo); + const xkb_state_component newState = xkb_state_update_mask(xkb_state, + mods->base_mods, + mods->latched_mods, + mods->locked_mods, + group->base_group, + group->latched_group, + group->locked_group); + + if ((newState & XKB_STATE_LAYOUT_EFFECTIVE) == XKB_STATE_LAYOUT_EFFECTIVE) { + //qWarning("TODO: Support KeyboardLayoutChange on QPA (QTBUG-27681)"); + } + } +#else + Q_UNUSED(modInfo); + Q_UNUSED(groupInfo); + Q_ASSERT(false); // this can't be +#endif +} + quint32 QXcbKeyboard::xkbModMask(quint16 state) { quint32 xkb_mask = 0; diff --git a/src/plugins/platforms/xcb/qxcbkeyboard.h b/src/plugins/platforms/xcb/qxcbkeyboard.h index 2281674e2f6e4e54ab564b9ee4f355c4c5fd5f6c..d2e37d624cfe5960bf50d8f18f2a82756824fa4d 100644 --- a/src/plugins/platforms/xcb/qxcbkeyboard.h +++ b/src/plugins/platforms/xcb/qxcbkeyboard.h @@ -68,6 +68,7 @@ public: void updateXKBMods(); quint32 xkbModMask(quint16 state); void updateXKBStateFromCore(quint16 state); + void updateXKBStateFromXI(void *modInfo, void *groupInfo); #ifndef QT_NO_XKB // when XKEYBOARD is present on the X server int coreDeviceId() const { return core_device_id; } diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index 3188a7f19de2e7e71cf545c03017ca8338b2f3fb..d1b688857d6cbe670b21a4f6d1d9c7aaa40f95e9 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.cpp +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -96,6 +96,7 @@ #if defined(XCB_USE_XINPUT2) #include <X11/extensions/XInput2.h> +#include <X11/extensions/XI2proto.h> #endif #define XCOORD_MAX 16383 @@ -2106,16 +2107,17 @@ void QXcbWindow::handleUnmapNotifyEvent(const xcb_unmap_notify_event_t *event) } } -void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event) +void QXcbWindow::handleButtonPressEvent(int event_x, int event_y, int root_x, int root_y, + int detail, Qt::KeyboardModifiers modifiers, xcb_timestamp_t timestamp) { - const bool isWheel = event->detail >= 4 && event->detail <= 7; + const bool isWheel = detail >= 4 && detail <= 7; if (!isWheel && window() != QGuiApplication::focusWindow()) { QWindow *w = static_cast<QWindowPrivate *>(QObjectPrivate::get(window()))->eventReceiver(); if (!(w->flags() & Qt::WindowDoesNotAcceptFocus)) w->requestActivate(); } - updateNetWmUserTime(event->time); + updateNetWmUserTime(timestamp); if (m_embedded) { if (window() != QGuiApplication::focusWindow()) { @@ -2126,53 +2128,125 @@ void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event) } } const int dpr = int(devicePixelRatio()); - QPoint local(event->event_x/dpr, event->event_y/dpr); - QPoint global = xcbScreen()->mapFromNative(QPoint(event->root_x, event->root_y)); - - Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); + QPoint local(event_x / dpr, event_y / dpr); + QPoint global = xcbScreen()->mapFromNative(QPoint(root_x, root_y)); if (isWheel) { - if (!connection()->isUsingXInput21()) { + if (!connection()->isAtLeastXI21()) { // Logic borrowed from qapplication_x11.cpp - int delta = 120 * ((event->detail == 4 || event->detail == 6) ? 1 : -1); - bool hor = (((event->detail == 4 || event->detail == 5) + int delta = 120 * ((detail == 4 || detail == 6) ? 1 : -1); + bool hor = (((detail == 4 || detail == 5) && (modifiers & Qt::AltModifier)) - || (event->detail == 6 || event->detail == 7)); + || (detail == 6 || detail == 7)); - QWindowSystemInterface::handleWheelEvent(window(), event->time, + QWindowSystemInterface::handleWheelEvent(window(), timestamp, local, global, delta, hor ? Qt::Horizontal : Qt::Vertical, modifiers); } return; } - handleMouseEvent(event->time, local, global, modifiers); + handleMouseEvent(timestamp, local, global, modifiers); } -void QXcbWindow::handleButtonReleaseEvent(const xcb_button_release_event_t *event) +void QXcbWindow::handleButtonReleaseEvent(int event_x, int event_y, int root_x, int root_y, + int detail, Qt::KeyboardModifiers modifiers, xcb_timestamp_t timestamp) { const int dpr = int(devicePixelRatio()); - QPoint local(event->event_x/dpr, event->event_y/dpr); - QPoint global = xcbScreen()->mapFromNative(QPoint(event->root_x, event->root_y)); - Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); + QPoint local(event_x / dpr, event_y / dpr); + QPoint global = xcbScreen()->mapFromNative(QPoint(root_x, root_y)); - if (event->detail >= 4 && event->detail <= 7) { + if (detail >= 4 && detail <= 7) { // mouse wheel, handled in handleButtonPressEvent() return; } - handleMouseEvent(event->time, local, global, modifiers); + handleMouseEvent(timestamp, local, global, modifiers); } -void QXcbWindow::handleMotionNotifyEvent(const xcb_motion_notify_event_t *event) +void QXcbWindow::handleMotionNotifyEvent(int event_x, int event_y, int root_x, int root_y, + Qt::KeyboardModifiers modifiers, xcb_timestamp_t timestamp) { - const int dpr = int(devicePixelRatio()); - QPoint local(event->event_x/dpr, event->event_y/dpr); if (!xcbScreen()) return; - QPoint global = xcbScreen()->mapFromNative(QPoint(event->root_x, event->root_y)); + const int dpr = int(devicePixelRatio()); + QPoint local(event_x / dpr, event_y / dpr); + QPoint global = xcbScreen()->mapFromNative(QPoint(root_x, root_y)); + handleMouseEvent(timestamp, local, global, modifiers); +} + +// Handlers for plain xcb events. Used only when XI 2.2 or newer is not available. +void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event) +{ Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); + handleButtonPressEvent(event->event_x, event->event_y, event->root_x, event->root_y, event->detail, + modifiers, event->time); +} - handleMouseEvent(event->time, local, global, modifiers); +void QXcbWindow::handleButtonReleaseEvent(const xcb_button_release_event_t *event) +{ + Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); + handleButtonReleaseEvent(event->event_x, event->event_y, event->root_x, event->root_y, event->detail, + modifiers, event->time); +} + +void QXcbWindow::handleMotionNotifyEvent(const xcb_motion_notify_event_t *event) +{ + Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); + handleMotionNotifyEvent(event->event_x, event->event_y, event->root_x, event->root_y, modifiers, event->time); +} + +#ifdef XCB_USE_XINPUT22 +static inline int fixed1616ToInt(FP1616 val) +{ + return int((qreal(val >> 16)) + (val & 0xFFFF) / (qreal)0xFFFF); +} +#endif + +// With XI 2.2+ press/release/motion comes here instead of the above handlers. +void QXcbWindow::handleXIMouseEvent(xcb_ge_event_t *event) +{ +#ifdef XCB_USE_XINPUT22 + QXcbConnection *conn = connection(); + xXIDeviceEvent *ev = reinterpret_cast<xXIDeviceEvent *>(event); + const Qt::KeyboardModifiers modifiers = conn->keyboard()->translateModifiers(ev->mods.effective_mods); + const int event_x = fixed1616ToInt(ev->event_x); + const int event_y = fixed1616ToInt(ev->event_y); + const int root_x = fixed1616ToInt(ev->root_x); + const int root_y = fixed1616ToInt(ev->root_y); + + conn->keyboard()->updateXKBStateFromXI(&ev->mods, &ev->group); + + const Qt::MouseButton button = conn->xiToQtMouseButton(ev->detail); + + if (ev->buttons_len > 0) { + unsigned char *buttonMask = (unsigned char *) &ev[1]; + for (int i = 1; i <= 15; ++i) + conn->setButton(conn->translateMouseButton(i), XIMaskIsSet(buttonMask, i)); + } + + switch (ev->evtype) { + case XI_ButtonPress: + qCDebug(lcQpaXInput, "XI2 mouse press, button %d", button); + conn->setButton(button, true); + handleButtonPressEvent(event_x, event_y, root_x, root_y, ev->detail, modifiers, ev->time); + break; + case XI_ButtonRelease: + qCDebug(lcQpaXInput, "XI2 mouse release, button %d", button); + conn->setButton(button, false); + handleButtonReleaseEvent(event_x, event_y, root_x, root_y, ev->detail, modifiers, ev->time); + break; + case XI_Motion: + qCDebug(lcQpaXInput, "XI2 mouse motion %d,%d", event_x, event_y); + handleMotionNotifyEvent(event_x, event_y, root_x, root_y, modifiers, ev->time); + break; + default: + qWarning() << "Unrecognized XI2 mouse event" << ev->evtype; + break; + } +#else + Q_UNUSED(event); + Q_ASSERT(false); // this can't be +#endif } QXcbWindow *QXcbWindow::toWindow() { return this; } @@ -2356,6 +2430,10 @@ bool QXcbWindow::setKeyboardGrabEnabled(bool grab) bool QXcbWindow::setMouseGrabEnabled(bool grab) { +#ifdef XCB_USE_XINPUT22 + if (connection()->xi2MouseEvents()) + return connection()->xi2SetMouseGrabEnabled(m_window, grab); +#endif if (grab && !connection()->canGrab()) return false; diff --git a/src/plugins/platforms/xcb/qxcbwindow.h b/src/plugins/platforms/xcb/qxcbwindow.h index 512bc54255de1d487e46083c6f16be2df6ada53a..e62bfcba64d0252b811fdd8f29473f3324f51b81 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.h +++ b/src/plugins/platforms/xcb/qxcbwindow.h @@ -131,6 +131,7 @@ public: void handleFocusInEvent(const xcb_focus_in_event_t *event) Q_DECL_OVERRIDE; void handleFocusOutEvent(const xcb_focus_out_event_t *event) Q_DECL_OVERRIDE; void handlePropertyNotifyEvent(const xcb_property_notify_event_t *event) Q_DECL_OVERRIDE; + void handleXIMouseEvent(xcb_ge_event_t *) Q_DECL_OVERRIDE; QXcbWindow *toWindow() Q_DECL_OVERRIDE; @@ -199,6 +200,15 @@ protected: void doFocusIn(); void doFocusOut(); + void handleButtonPressEvent(int event_x, int event_y, int root_x, int root_y, + int detail, Qt::KeyboardModifiers modifiers, xcb_timestamp_t timestamp); + + void handleButtonReleaseEvent(int event_x, int event_y, int root_x, int root_y, + int detail, Qt::KeyboardModifiers modifiers, xcb_timestamp_t timestamp); + + void handleMotionNotifyEvent(int event_x, int event_y, int root_x, int root_y, + Qt::KeyboardModifiers modifiers, xcb_timestamp_t timestamp); + xcb_window_t m_window; QXcbScreen *m_xcbScreen; diff --git a/src/plugins/platforms/xcb/xcb_qpa_lib.pro b/src/plugins/platforms/xcb/xcb_qpa_lib.pro index fd704dd9041a2829862b9398cebe07b032291b88..12987567ff8d4e064695e9a7ef48d194fcb6bc19 100644 --- a/src/plugins/platforms/xcb/xcb_qpa_lib.pro +++ b/src/plugins/platforms/xcb/xcb_qpa_lib.pro @@ -59,6 +59,11 @@ contains(QT_CONFIG, xcb-xlib) { DEFINES += XCB_USE_XINPUT2 SOURCES += qxcbconnection_xi2.cpp LIBS += -lXi + !isEmpty(QMAKE_LIBXI_VERSION_MAJOR) { + DEFINES += LIBXI_MAJOR=$$QMAKE_LIBXI_VERSION_MAJOR \ + LIBXI_MINOR=$$QMAKE_LIBXI_VERSION_MINOR \ + LIBXI_PATCH=$$QMAKE_LIBXI_VERSION_PATCH + } } }