xcb: allow to change XInput device properties at runtime
xinput list-props <device-id> xinput set-prop <device-id> <atom-id> n n n Example: xinput list-props 9 .. Evdev Scrolling Distance (274): 1, 1, 1 .. xinput set-prop 9 274 8 1 1 [ChangeLog][Platform Specific Changes][Linux] XInput device property changes are now detected at runtime (no application restart required). Change-Id: I4d2455eef70857bc2e35c27011a3808a78fa960f Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
This commit is contained in:
Gatis Paeglis
parent
46001e6f49
commit
900abb116d
@ -547,6 +547,7 @@ private:
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bool m_xi2Enabled = false;
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bool m_xi2Enabled = false;
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int m_xi2Minor = -1;
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int m_xi2Minor = -1;
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void initializeXInput2();
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void initializeXInput2();
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void xi2SetupDevice(void *info, bool removeExisting = true);
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void xi2SetupDevices();
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void xi2SetupDevices();
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struct TouchDeviceData {
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struct TouchDeviceData {
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QTouchDevice *qtTouchDevice = nullptr;
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QTouchDevice *qtTouchDevice = nullptr;
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@ -93,6 +93,178 @@ void QXcbConnection::initializeXInput2()
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}
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}
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}
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}
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void QXcbConnection::xi2SetupDevice(void *info, bool removeExisting)
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{
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XIDeviceInfo *deviceInfo = reinterpret_cast<XIDeviceInfo *>(info);
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if (removeExisting) {
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#if QT_CONFIG(tabletevent)
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for (int i = 0; i < m_tabletData.count(); ++i) {
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if (m_tabletData.at(i).deviceId == deviceInfo->deviceid) {
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m_tabletData.remove(i);
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break;
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}
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}
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#endif
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m_scrollingDevices.remove(deviceInfo->deviceid);
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m_touchDevices.remove(deviceInfo->deviceid);
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}
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qCDebug(lcQpaXInputDevices) << "input device " << deviceInfo->name << "ID" << deviceInfo->deviceid;
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#if QT_CONFIG(tabletevent)
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TabletData tabletData;
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#endif
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ScrollingDevice scrollingDevice;
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for (int c = 0; c < deviceInfo->num_classes; ++c) {
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XIAnyClassInfo *classinfo = deviceInfo->classes[c];
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switch (classinfo->type) {
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case XIValuatorClass: {
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XIValuatorClassInfo *vci = reinterpret_cast<XIValuatorClassInfo *>(classinfo);
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const int valuatorAtom = qatom(vci->label);
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qCDebug(lcQpaXInputDevices) << " has valuator" << atomName(vci->label) << "recognized?" << (valuatorAtom < QXcbAtom::NAtoms);
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#if QT_CONFIG(tabletevent)
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if (valuatorAtom < QXcbAtom::NAtoms) {
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TabletData::ValuatorClassInfo info;
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info.minVal = vci->min;
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info.maxVal = vci->max;
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info.number = vci->number;
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tabletData.valuatorInfo[valuatorAtom] = info;
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}
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#endif // QT_CONFIG(tabletevent)
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if (valuatorAtom == QXcbAtom::RelHorizScroll || valuatorAtom == QXcbAtom::RelHorizWheel)
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scrollingDevice.lastScrollPosition.setX(vci->value);
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else if (valuatorAtom == QXcbAtom::RelVertScroll || valuatorAtom == QXcbAtom::RelVertWheel)
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scrollingDevice.lastScrollPosition.setY(vci->value);
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break;
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}
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#ifdef XCB_USE_XINPUT21
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case XIScrollClass: {
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XIScrollClassInfo *sci = reinterpret_cast<XIScrollClassInfo *>(classinfo);
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if (sci->scroll_type == XIScrollTypeVertical) {
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scrollingDevice.orientations |= Qt::Vertical;
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scrollingDevice.verticalIndex = sci->number;
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scrollingDevice.verticalIncrement = sci->increment;
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}
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else if (sci->scroll_type == XIScrollTypeHorizontal) {
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scrollingDevice.orientations |= Qt::Horizontal;
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scrollingDevice.horizontalIndex = sci->number;
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scrollingDevice.horizontalIncrement = sci->increment;
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}
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break;
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}
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case XIButtonClass: {
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XIButtonClassInfo *bci = reinterpret_cast<XIButtonClassInfo *>(classinfo);
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if (bci->num_buttons >= 5) {
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Atom label4 = bci->labels[3];
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Atom label5 = bci->labels[4];
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// Some drivers have no labels on the wheel buttons, some have no label on just one and some have no label on
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// button 4 and the wrong one on button 5. So we just check that they are not labelled with unrelated buttons.
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if ((!label4 || qatom(label4) == QXcbAtom::ButtonWheelUp || qatom(label4) == QXcbAtom::ButtonWheelDown) &&
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(!label5 || qatom(label5) == QXcbAtom::ButtonWheelUp || qatom(label5) == QXcbAtom::ButtonWheelDown))
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scrollingDevice.legacyOrientations |= Qt::Vertical;
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}
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if (bci->num_buttons >= 7) {
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Atom label6 = bci->labels[5];
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Atom label7 = bci->labels[6];
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if ((!label6 || qatom(label6) == QXcbAtom::ButtonHorizWheelLeft) && (!label7 || qatom(label7) == QXcbAtom::ButtonHorizWheelRight))
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scrollingDevice.legacyOrientations |= Qt::Horizontal;
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}
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qCDebug(lcQpaXInputDevices, " has %d buttons", bci->num_buttons);
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break;
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}
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#endif
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case XIKeyClass:
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qCDebug(lcQpaXInputDevices) << " it's a keyboard";
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break;
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#ifdef XCB_USE_XINPUT22
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case XITouchClass:
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// will be handled in populateTouchDevices()
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break;
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#endif
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default:
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qCDebug(lcQpaXInputDevices) << " has class" << classinfo->type;
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break;
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}
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}
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bool isTablet = false;
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#if QT_CONFIG(tabletevent)
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// If we have found the valuators which we expect a tablet to have, it might be a tablet.
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if (tabletData.valuatorInfo.contains(QXcbAtom::AbsX) &&
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tabletData.valuatorInfo.contains(QXcbAtom::AbsY) &&
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tabletData.valuatorInfo.contains(QXcbAtom::AbsPressure))
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isTablet = true;
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// But we need to be careful not to take the touch and tablet-button devices as tablets.
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QByteArray name = QByteArray(deviceInfo->name).toLower();
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QString dbgType = QLatin1String("UNKNOWN");
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if (name.contains("eraser")) {
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isTablet = true;
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tabletData.pointerType = QTabletEvent::Eraser;
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dbgType = QLatin1String("eraser");
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} else if (name.contains("cursor")) {
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isTablet = true;
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tabletData.pointerType = QTabletEvent::Cursor;
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dbgType = QLatin1String("cursor");
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} else if (name.contains("wacom") && name.contains("finger touch")) {
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isTablet = false;
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} else if ((name.contains("pen") || name.contains("stylus")) && isTablet) {
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tabletData.pointerType = QTabletEvent::Pen;
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dbgType = QLatin1String("pen");
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} else if (name.contains("wacom") && isTablet && !name.contains("touch")) {
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// combined device (evdev) rather than separate pen/eraser (wacom driver)
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tabletData.pointerType = QTabletEvent::Pen;
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dbgType = QLatin1String("pen");
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} else if (name.contains("aiptek") /* && device == QXcbAtom::KEYBOARD */) {
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// some "Genius" tablets
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isTablet = true;
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tabletData.pointerType = QTabletEvent::Pen;
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dbgType = QLatin1String("pen");
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} else if (name.contains("waltop") && name.contains("tablet")) {
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// other "Genius" tablets
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// WALTOP International Corp. Slim Tablet
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isTablet = true;
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tabletData.pointerType = QTabletEvent::Pen;
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dbgType = QLatin1String("pen");
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} else if (name.contains("uc-logic") && isTablet) {
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tabletData.pointerType = QTabletEvent::Pen;
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dbgType = QLatin1String("pen");
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} else {
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isTablet = false;
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}
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if (isTablet) {
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tabletData.deviceId = deviceInfo->deviceid;
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m_tabletData.append(tabletData);
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qCDebug(lcQpaXInputDevices) << " it's a tablet with pointer type" << dbgType;
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}
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#endif // QT_CONFIG(tabletevent)
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#ifdef XCB_USE_XINPUT21
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if (scrollingDevice.orientations || scrollingDevice.legacyOrientations) {
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scrollingDevice.deviceId = deviceInfo->deviceid;
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// Only use legacy wheel button events when we don't have real scroll valuators.
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scrollingDevice.legacyOrientations &= ~scrollingDevice.orientations;
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m_scrollingDevices.insert(scrollingDevice.deviceId, scrollingDevice);
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qCDebug(lcQpaXInputDevices) << " it's a scrolling device";
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}
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#endif
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if (!isTablet) {
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TouchDeviceData *dev = populateTouchDevices(deviceInfo);
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if (dev && lcQpaXInputDevices().isDebugEnabled()) {
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if (dev->qtTouchDevice->type() == QTouchDevice::TouchScreen)
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qCDebug(lcQpaXInputDevices, " it's a touchscreen with type %d capabilities 0x%X max touch points %d",
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dev->qtTouchDevice->type(), (unsigned int)dev->qtTouchDevice->capabilities(),
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dev->qtTouchDevice->maximumTouchPoints());
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else if (dev->qtTouchDevice->type() == QTouchDevice::TouchPad)
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qCDebug(lcQpaXInputDevices, " it's a touchpad with type %d capabilities 0x%X max touch points %d size %f x %f",
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dev->qtTouchDevice->type(), (unsigned int)dev->qtTouchDevice->capabilities(),
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dev->qtTouchDevice->maximumTouchPoints(),
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dev->size.width(), dev->size.height());
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}
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}
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}
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void QXcbConnection::xi2SetupDevices()
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void QXcbConnection::xi2SetupDevices()
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{
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{
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#if QT_CONFIG(tabletevent)
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#if QT_CONFIG(tabletevent)
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@ -108,159 +280,7 @@ void QXcbConnection::xi2SetupDevices()
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// Only non-master pointing devices are relevant here.
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// Only non-master pointing devices are relevant here.
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if (devices[i].use != XISlavePointer)
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if (devices[i].use != XISlavePointer)
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continue;
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continue;
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qCDebug(lcQpaXInputDevices) << "input device " << devices[i].name << "ID" << devices[i].deviceid;
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xi2SetupDevice(&devices[i], false);
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#if QT_CONFIG(tabletevent)
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TabletData tabletData;
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#endif
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ScrollingDevice scrollingDevice;
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for (int c = 0; c < devices[i].num_classes; ++c) {
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XIAnyClassInfo *classinfo = devices[i].classes[c];
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switch (classinfo->type) {
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case XIValuatorClass: {
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XIValuatorClassInfo *vci = reinterpret_cast<XIValuatorClassInfo *>(classinfo);
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const int valuatorAtom = qatom(vci->label);
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qCDebug(lcQpaXInputDevices) << " has valuator" << atomName(vci->label) << "recognized?" << (valuatorAtom < QXcbAtom::NAtoms);
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#if QT_CONFIG(tabletevent)
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if (valuatorAtom < QXcbAtom::NAtoms) {
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TabletData::ValuatorClassInfo info;
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info.minVal = vci->min;
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info.maxVal = vci->max;
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info.number = vci->number;
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tabletData.valuatorInfo[valuatorAtom] = info;
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}
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#endif // QT_CONFIG(tabletevent)
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if (valuatorAtom == QXcbAtom::RelHorizScroll || valuatorAtom == QXcbAtom::RelHorizWheel)
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scrollingDevice.lastScrollPosition.setX(vci->value);
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else if (valuatorAtom == QXcbAtom::RelVertScroll || valuatorAtom == QXcbAtom::RelVertWheel)
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scrollingDevice.lastScrollPosition.setY(vci->value);
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break;
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}
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#ifdef XCB_USE_XINPUT21
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case XIScrollClass: {
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XIScrollClassInfo *sci = reinterpret_cast<XIScrollClassInfo *>(classinfo);
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if (sci->scroll_type == XIScrollTypeVertical) {
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scrollingDevice.orientations |= Qt::Vertical;
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scrollingDevice.verticalIndex = sci->number;
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scrollingDevice.verticalIncrement = sci->increment;
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}
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else if (sci->scroll_type == XIScrollTypeHorizontal) {
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scrollingDevice.orientations |= Qt::Horizontal;
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scrollingDevice.horizontalIndex = sci->number;
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scrollingDevice.horizontalIncrement = sci->increment;
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}
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break;
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}
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case XIButtonClass: {
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XIButtonClassInfo *bci = reinterpret_cast<XIButtonClassInfo *>(classinfo);
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if (bci->num_buttons >= 5) {
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Atom label4 = bci->labels[3];
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Atom label5 = bci->labels[4];
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// Some drivers have no labels on the wheel buttons, some have no label on just one and some have no label on
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// button 4 and the wrong one on button 5. So we just check that they are not labelled with unrelated buttons.
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if ((!label4 || qatom(label4) == QXcbAtom::ButtonWheelUp || qatom(label4) == QXcbAtom::ButtonWheelDown) &&
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(!label5 || qatom(label5) == QXcbAtom::ButtonWheelUp || qatom(label5) == QXcbAtom::ButtonWheelDown))
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scrollingDevice.legacyOrientations |= Qt::Vertical;
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}
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if (bci->num_buttons >= 7) {
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Atom label6 = bci->labels[5];
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Atom label7 = bci->labels[6];
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if ((!label6 || qatom(label6) == QXcbAtom::ButtonHorizWheelLeft) && (!label7 || qatom(label7) == QXcbAtom::ButtonHorizWheelRight))
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scrollingDevice.legacyOrientations |= Qt::Horizontal;
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}
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qCDebug(lcQpaXInputDevices, " has %d buttons", bci->num_buttons);
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break;
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}
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#endif
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case XIKeyClass:
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qCDebug(lcQpaXInputDevices) << " it's a keyboard";
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break;
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#ifdef XCB_USE_XINPUT22
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case XITouchClass:
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// will be handled in populateTouchDevices()
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break;
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#endif
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default:
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qCDebug(lcQpaXInputDevices) << " has class" << classinfo->type;
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break;
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}
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}
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bool isTablet = false;
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#if QT_CONFIG(tabletevent)
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// If we have found the valuators which we expect a tablet to have, it might be a tablet.
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if (tabletData.valuatorInfo.contains(QXcbAtom::AbsX) &&
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tabletData.valuatorInfo.contains(QXcbAtom::AbsY) &&
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tabletData.valuatorInfo.contains(QXcbAtom::AbsPressure))
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isTablet = true;
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// But we need to be careful not to take the touch and tablet-button devices as tablets.
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QByteArray name = QByteArray(devices[i].name).toLower();
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QString dbgType = QLatin1String("UNKNOWN");
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if (name.contains("eraser")) {
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isTablet = true;
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tabletData.pointerType = QTabletEvent::Eraser;
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dbgType = QLatin1String("eraser");
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} else if (name.contains("cursor")) {
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isTablet = true;
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tabletData.pointerType = QTabletEvent::Cursor;
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dbgType = QLatin1String("cursor");
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} else if (name.contains("wacom") && name.contains("finger touch")) {
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isTablet = false;
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} else if ((name.contains("pen") || name.contains("stylus")) && isTablet) {
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tabletData.pointerType = QTabletEvent::Pen;
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dbgType = QLatin1String("pen");
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} else if (name.contains("wacom") && isTablet && !name.contains("touch")) {
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// combined device (evdev) rather than separate pen/eraser (wacom driver)
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tabletData.pointerType = QTabletEvent::Pen;
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dbgType = QLatin1String("pen");
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} else if (name.contains("aiptek") /* && device == QXcbAtom::KEYBOARD */) {
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// some "Genius" tablets
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isTablet = true;
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tabletData.pointerType = QTabletEvent::Pen;
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dbgType = QLatin1String("pen");
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} else if (name.contains("waltop") && name.contains("tablet")) {
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// other "Genius" tablets
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// WALTOP International Corp. Slim Tablet
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isTablet = true;
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tabletData.pointerType = QTabletEvent::Pen;
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dbgType = QLatin1String("pen");
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} else if (name.contains("uc-logic") && isTablet) {
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tabletData.pointerType = QTabletEvent::Pen;
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|
||||||
dbgType = QLatin1String("pen");
|
|
||||||
} else {
|
|
||||||
isTablet = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (isTablet) {
|
|
||||||
tabletData.deviceId = devices[i].deviceid;
|
|
||||||
m_tabletData.append(tabletData);
|
|
||||||
qCDebug(lcQpaXInputDevices) << " it's a tablet with pointer type" << dbgType;
|
|
||||||
}
|
|
||||||
#endif // QT_CONFIG(tabletevent)
|
|
||||||
|
|
||||||
#ifdef XCB_USE_XINPUT21
|
|
||||||
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);
|
|
||||||
qCDebug(lcQpaXInputDevices) << " it's a scrolling device";
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
if (!isTablet) {
|
|
||||||
TouchDeviceData *dev = populateTouchDevices(&devices[i]);
|
|
||||||
if (dev && lcQpaXInputDevices().isDebugEnabled()) {
|
|
||||||
if (dev->qtTouchDevice->type() == QTouchDevice::TouchScreen)
|
|
||||||
qCDebug(lcQpaXInputDevices, " it's a touchscreen with type %d capabilities 0x%X max touch points %d",
|
|
||||||
dev->qtTouchDevice->type(), (unsigned int)dev->qtTouchDevice->capabilities(),
|
|
||||||
dev->qtTouchDevice->maximumTouchPoints());
|
|
||||||
else if (dev->qtTouchDevice->type() == QTouchDevice::TouchPad)
|
|
||||||
qCDebug(lcQpaXInputDevices, " it's a touchpad with type %d capabilities 0x%X max touch points %d size %f x %f",
|
|
||||||
dev->qtTouchDevice->type(), (unsigned int)dev->qtTouchDevice->capabilities(),
|
|
||||||
dev->qtTouchDevice->maximumTouchPoints(),
|
|
||||||
dev->size.width(), dev->size.height());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
XIFreeDeviceInfo(devices);
|
XIFreeDeviceInfo(devices);
|
||||||
}
|
}
|
||||||
@ -835,8 +855,16 @@ void QXcbConnection::xi2HandleDeviceChangedEvent(void *event)
|
|||||||
{
|
{
|
||||||
xXIDeviceChangedEvent *xiEvent = reinterpret_cast<xXIDeviceChangedEvent *>(event);
|
xXIDeviceChangedEvent *xiEvent = reinterpret_cast<xXIDeviceChangedEvent *>(event);
|
||||||
switch (xiEvent->reason) {
|
switch (xiEvent->reason) {
|
||||||
case XIDeviceChange:
|
case XIDeviceChange: {
|
||||||
|
int nrDevices = 0;
|
||||||
|
Display *dpy = static_cast<Display *>(m_xlib_display);
|
||||||
|
XIDeviceInfo* deviceInfo = XIQueryDevice(dpy, xiEvent->sourceid, &nrDevices);
|
||||||
|
if (nrDevices <= 0)
|
||||||
|
return;
|
||||||
|
xi2SetupDevice(deviceInfo);
|
||||||
|
XIFreeDeviceInfo(deviceInfo);
|
||||||
break;
|
break;
|
||||||
|
}
|
||||||
case XISlaveSwitch: {
|
case XISlaveSwitch: {
|
||||||
#ifdef XCB_USE_XINPUT21
|
#ifdef XCB_USE_XINPUT21
|
||||||
if (ScrollingDevice *scrollingDevice = scrollingDeviceForId(xiEvent->sourceid))
|
if (ScrollingDevice *scrollingDevice = scrollingDeviceForId(xiEvent->sourceid))
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user