C++ (Cpp) keyTranslator Examples

Example #1

File: qopenkodewindow.cpp Project: sicily/qt4.8.4

void QOpenKODEWindow::processKeyEvents(const KDEvent *event)
{
#ifdef KD_ATX_keyboard
    //KD_KEY_PRESS_ATX 1
    QEvent::Type keyPressed = QEvent::KeyRelease;
    if (event->data.keyboardInputKey.flags)
        keyPressed = QEvent::KeyPress;
//KD_KEY_LOCATION_LEFT_ATX // don't care for now
//KD_KEY_LOCATION_RIGHT_ATX
//KD_KEY_LOCATION_NUMPAD_ATX
    Qt::KeyboardModifiers mod = Qt::NoModifier;
    int openkodeMods = event->data.keyboardInputKey.flags;
    if (openkodeMods & KD_KEY_MODIFIER_SHIFT_ATX)
        mod |= Qt::ShiftModifier;
    if (openkodeMods & KD_KEY_MODIFIER_CTRL_ATX)
        mod |= Qt::ControlModifier;
    if (openkodeMods & KD_KEY_MODIFIER_ALT_ATX)
        mod |= Qt::AltModifier;
    if (openkodeMods & KD_KEY_MODIFIER_META_ATX)
        mod |= Qt::MetaModifier;

    Qt::Key qtKey;
    QChar keyText;
    int key = event->data.keyboardInputKey.keycode;
    if (key >= 0x20 && key <= 0x0ff){ // 8 bit printable Latin1
        qtKey = Qt::Key(key);
        keyText = QChar(event->data.keyboardInputKeyChar.character);
        if (!(mod & Qt::ShiftModifier))
            keyText = keyText.toLower();
    } else {
        qtKey = keyTranslator(key);
    }
    QWindowSystemInterface::handleKeyEvent(0,event->timestamp,keyPressed,qtKey,mod,keyText);
#endif
}

Example #2

File: qqnxscreeneventhandler.cpp Project: crobertd/qtbase

void QQnxScreenEventHandler::injectKeyboardEvent(int flags, int sym, int modifiers, int scan, int cap)
{
    Q_UNUSED(scan);

    Qt::KeyboardModifiers qtMod = Qt::NoModifier;
    if (modifiers & KEYMOD_SHIFT)
        qtMod |= Qt::ShiftModifier;
    if (modifiers & KEYMOD_CTRL)
        qtMod |= Qt::ControlModifier;
    if (modifiers & KEYMOD_ALT)
        qtMod |= Qt::AltModifier;

    // determine event type
    QEvent::Type type = (flags & KEY_DOWN) ? QEvent::KeyPress : QEvent::KeyRelease;

    // Check if the key cap is valid
    if (flags & KEY_CAP_VALID) {
        Qt::Key key;
        QString keyStr;

        if (cap >= 0x20 && cap <= 0x0ff) {
            key = Qt::Key(std::toupper(cap));   // Qt expects the CAP to be upper case.

            if ( qtMod & Qt::ControlModifier ) {
                keyStr = QChar((int)(key & 0x3f));
            } else {
                if (flags & KEY_SYM_VALID) {
                    keyStr = QChar(sym);
                }
            }
        } else if ((cap > 0x0ff && cap < UNICODE_PRIVATE_USE_AREA_FIRST) || cap > UNICODE_PRIVATE_USE_AREA_LAST) {
            key = (Qt::Key)cap;
            keyStr = QChar(sym);
        } else {
            if (isKeypadKey(cap))
                qtMod |= Qt::KeypadModifier; // Is this right?
            key = keyTranslator(cap);
        }

        QWindowSystemInterface::handleExtendedKeyEvent(QGuiApplication::focusWindow(), type, key, qtMod,
                scan, sym, modifiers, keyStr);
        qScreenEventDebug() << Q_FUNC_INFO << "Qt key t=" << type << ", k=" << key << ", s=" << keyStr;
    }
}

Example #3

File: qbbeventthread.cpp Project: BGmot/Qt

void QBBEventThread::handleKeyboardEvent(screen_event_t event)
{
    // get flags of key event
    errno = 0;
    int flags;
    int result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_FLAGS, &flags);
    if (result) {
        qFatal("QBB: failed to query event flags, errno=%d", errno);
    }

    // get key code
    errno = 0;
    int sym;
    result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_SYM, &sym);
    if (result) {
        qFatal("QBB: failed to query event sym, errno=%d", errno);
    }

    int modifiers;
    result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_MODIFIERS, &modifiers);
    if (result) {
        qFatal("QBB: failed to query event modifiers, errno=%d", errno);
    }

    int scan;
    result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_SCAN, &scan);
    if (result) {
        qFatal("QBB: failed to query event modifiers, errno=%d", errno);
    }

    int cap;
    result = screen_get_event_property_iv(event, SCREEN_PROPERTY_KEY_CAP, &cap);
    if (result) {
        qFatal("QBB: failed to query event cap, errno=%d", errno);
    }

    Qt::KeyboardModifiers qtMod = Qt::NoModifier;
    if (modifiers & KEYMOD_SHIFT)
        qtMod |= Qt::ShiftModifier;
    if (modifiers & KEYMOD_CTRL)
        qtMod |= Qt::ControlModifier;
    if (modifiers & KEYMOD_ALT)
        qtMod |= Qt::AltModifier;

    // determine event type
    QEvent::Type type = (flags & KEY_DOWN) ? QEvent::KeyPress : QEvent::KeyRelease;

    // Check if the key cap is valid
    if (flags & KEY_CAP_VALID) {
        Qt::Key key;
        QChar keyStr;

        if (cap >= 0x20 && cap <= 0x0ff) { // 8 bit printable Latin1
            key = Qt::Key(std::toupper(cap));   // Qt expects the CAP to be upper case.
            if (flags & KEY_SYM_VALID) {
                keyStr = QChar(sym);
            }
        } else {
            if (isKeypadKey(cap))
                qtMod |= Qt::KeypadModifier; // Is this right?
            key = keyTranslator(cap);

            // Some special keys do have a string
            switch( key ) {
                case Qt::Key_Backspace:
                    keyStr = QChar('\b');
                    break;
                case Qt::Key_Return:
                    keyStr = QChar('\n');
                    break;
                default:
                    // No special charcode
                    break;
            }
        }

        QWindowSystemInterface::handleKeyEvent(QApplication::activeWindow(), type, key, qtMod, keyStr);
#if defined(QBBEVENTTHREAD_DEBUG)
        qDebug() << "QBB: Qt key t=" << type << ", k=" << key << ", s=" << keyStr;
#endif
    }
}