diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbconnection_xi2.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbconnection_xi2.cpp | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp index d7b3c75aee..831ccba6f6 100644 --- a/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp @@ -134,7 +134,6 @@ void QXcbConnection::initializeXInput2() #ifdef XCB_USE_XINPUT21 case XIScrollClass: { XIScrollClassInfo *sci = reinterpret_cast<XIScrollClassInfo *>(devices[i].classes[c]); - scrollingDevice.deviceId = devices[i].deviceid; if (sci->scroll_type == XIScrollTypeVertical) { scrollingDevice.orientations |= Qt::Vertical; scrollingDevice.verticalIndex = sci->number; @@ -147,6 +146,20 @@ void QXcbConnection::initializeXInput2() } break; } + case XIButtonClass: { + XIButtonClassInfo *bci = reinterpret_cast<XIButtonClassInfo *>(devices[i].classes[c]); + for (int i=0; i < bci->num_buttons; ++i) { + const int buttonAtom = qatom(bci->labels[i]); + if (buttonAtom == QXcbAtom::ButtonWheelUp + || buttonAtom == QXcbAtom::ButtonWheelDown) { + scrollingDevice.legacyOrientations |= Qt::Vertical; + } else if (buttonAtom == QXcbAtom::ButtonHorizWheelLeft + || buttonAtom == QXcbAtom::ButtonHorizWheelRight) { + scrollingDevice.legacyOrientations |= Qt::Horizontal; + } + } + break; + } #endif default: break; @@ -170,7 +183,10 @@ void QXcbConnection::initializeXInput2() #endif // QT_NO_TABLETEVENT #ifdef XCB_USE_XINPUT21 - if (scrollingDevice.orientations) { + if (scrollingDevice.orientations || scrollingDevice.legacyOrientations) { + scrollingDevice.deviceId = devices[i].deviceid; + // Only use legacy wheel button events when we don't have real scroll valuators. + scrollingDevice.legacyOrientations &= ~scrollingDevice.orientations; m_scrollingDevices.insert(scrollingDevice.deviceId, scrollingDevice); if (Q_UNLIKELY(debug_xinput_devices)) qDebug() << " it's a scrolling device"; @@ -256,6 +272,7 @@ void QXcbConnection::xi2Select(xcb_window_t window) if (!m_scrollingDevices.isEmpty()) { QVector<XIEventMask> xiEventMask(m_scrollingDevices.size()); bitMask = XI_MotionMask; + bitMask |= XI_ButtonReleaseMask; int i=0; Q_FOREACH (const ScrollingDevice& scrollingDevice, m_scrollingDevices) { xiEventMask[i].deviceid = scrollingDevice.deviceId; @@ -595,6 +612,31 @@ void QXcbConnection::xi2HandleScrollEvent(void *event, ScrollingDevice &scrollin QWindowSystemInterface::handleWheelEvent(platformWindow->window(), xiEvent->time, local, global, rawDelta, angleDelta, modifiers); } } + } else if (xiEvent->evtype == XI_ButtonRelease) { + xXIDeviceEvent* xiDeviceEvent = reinterpret_cast<xXIDeviceEvent *>(event); + if (QXcbWindow *platformWindow = platformWindowFromId(xiDeviceEvent->event)) { + QPoint angleDelta; + if (scrollingDevice.legacyOrientations & Qt::Vertical) { + if (xi2GetButtonState(xiDeviceEvent, 4)) + angleDelta.setY(120); + else if (xi2GetButtonState(xiDeviceEvent, 5)) + angleDelta.setY(-120); + } + if (scrollingDevice.legacyOrientations & Qt::Horizontal) { + if (xi2GetButtonState(xiDeviceEvent, 6)) + angleDelta.setX(120); + if (xi2GetButtonState(xiDeviceEvent, 7)) + angleDelta.setX(-120); + } + if (!angleDelta.isNull()) { + QPoint local(fixed1616ToReal(xiDeviceEvent->event_x), fixed1616ToReal(xiDeviceEvent->event_y)); + QPoint global(fixed1616ToReal(xiDeviceEvent->root_x), fixed1616ToReal(xiDeviceEvent->root_y)); + Qt::KeyboardModifiers modifiers = keyboard()->translateModifiers(xiDeviceEvent->mods.effective_mods); + if (modifiers & Qt::AltModifier) + std::swap(angleDelta.rx(), angleDelta.ry()); + QWindowSystemInterface::handleWheelEvent(platformWindow->window(), xiEvent->time, local, global, QPoint(), angleDelta, modifiers); + } + } } #else Q_UNUSED(event); |