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| |
| #include "qlibinputkeyboard_p.h" |
| #include <QtCore/QTextCodec> |
| #include <QtCore/QLoggingCategory> |
| #include <QtGui/private/qguiapplication_p.h> |
| #include <QtGui/private/qinputdevicemanager_p.h> |
| #include <qpa/qwindowsysteminterface.h> |
| #include <libinput.h> |
| #if QT_CONFIG(xkbcommon) |
| #include <xkbcommon/xkbcommon-keysyms.h> |
| #include <xkbcommon/xkbcommon-names.h> |
| #include <QtXkbCommonSupport/private/qxkbcommon_p.h> |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| Q_DECLARE_LOGGING_CATEGORY(qLcLibInput) |
| |
| const int REPEAT_DELAY = 500; |
| const int REPEAT_RATE = 100; |
| |
| QLibInputKeyboard::QLibInputKeyboard() |
| { |
| #if QT_CONFIG(xkbcommon) |
| qCDebug(qLcLibInput) << "Using xkbcommon for key mapping"; |
| m_ctx = xkb_context_new(XKB_CONTEXT_NO_FLAGS); |
| if (!m_ctx) { |
| qWarning("Failed to create xkb context"); |
| return; |
| } |
| m_keymap = xkb_keymap_new_from_names(m_ctx, nullptr, XKB_KEYMAP_COMPILE_NO_FLAGS); |
| if (!m_keymap) { |
| qCWarning(qLcLibInput, "Failed to compile keymap"); |
| return; |
| } |
| m_state = xkb_state_new(m_keymap); |
| if (!m_state) { |
| qCWarning(qLcLibInput, "Failed to create xkb state"); |
| return; |
| } |
| |
| m_repeatTimer.setSingleShot(true); |
| connect(&m_repeatTimer, &QTimer::timeout, this, &QLibInputKeyboard::handleRepeat); |
| #else |
| qCWarning(qLcLibInput) << "xkbcommon not available, not performing key mapping"; |
| #endif |
| } |
| |
| QLibInputKeyboard::~QLibInputKeyboard() |
| { |
| #if QT_CONFIG(xkbcommon) |
| if (m_state) |
| xkb_state_unref(m_state); |
| if (m_keymap) |
| xkb_keymap_unref(m_keymap); |
| if (m_ctx) |
| xkb_context_unref(m_ctx); |
| #endif |
| } |
| |
| void QLibInputKeyboard::processKey(libinput_event_keyboard *e) |
| { |
| #if QT_CONFIG(xkbcommon) |
| if (!m_ctx || !m_keymap || !m_state) |
| return; |
| |
| const uint32_t keycode = libinput_event_keyboard_get_key(e) + 8; |
| const xkb_keysym_t sym = xkb_state_key_get_one_sym(m_state, keycode); |
| const bool pressed = libinput_event_keyboard_get_key_state(e) == LIBINPUT_KEY_STATE_PRESSED; |
| |
| // Modifiers here is the modifier state before the event, i.e. not |
| // including the current key in case it is a modifier. See the XOR |
| // logic in QKeyEvent::modifiers(). ### QTBUG-73826 |
| Qt::KeyboardModifiers modifiers = QXkbCommon::modifiers(m_state); |
| |
| const QString text = QXkbCommon::lookupString(m_state, keycode); |
| const int qtkey = QXkbCommon::keysymToQtKey(sym, modifiers, m_state, keycode); |
| |
| xkb_state_update_key(m_state, keycode, pressed ? XKB_KEY_DOWN : XKB_KEY_UP); |
| |
| Qt::KeyboardModifiers modifiersAfterStateChange = QXkbCommon::modifiers(m_state); |
| QGuiApplicationPrivate::inputDeviceManager()->setKeyboardModifiers(modifiersAfterStateChange); |
| |
| QWindowSystemInterface::handleExtendedKeyEvent(nullptr, |
| pressed ? QEvent::KeyPress : QEvent::KeyRelease, |
| qtkey, modifiers, keycode, sym, modifiers, text); |
| |
| if (pressed && xkb_keymap_key_repeats(m_keymap, keycode)) { |
| m_repeatData.qtkey = qtkey; |
| m_repeatData.mods = modifiers; |
| m_repeatData.nativeScanCode = keycode; |
| m_repeatData.virtualKey = sym; |
| m_repeatData.nativeMods = modifiers; |
| m_repeatData.unicodeText = text; |
| m_repeatData.repeatCount = 1; |
| m_repeatTimer.setInterval(REPEAT_DELAY); |
| m_repeatTimer.start(); |
| } else if (m_repeatTimer.isActive()) { |
| m_repeatTimer.stop(); |
| } |
| |
| #else |
| Q_UNUSED(e); |
| #endif |
| } |
| |
| #if QT_CONFIG(xkbcommon) |
| void QLibInputKeyboard::handleRepeat() |
| { |
| QWindowSystemInterface::handleExtendedKeyEvent(nullptr, QEvent::KeyPress, |
| m_repeatData.qtkey, m_repeatData.mods, |
| m_repeatData.nativeScanCode, m_repeatData.virtualKey, m_repeatData.nativeMods, |
| m_repeatData.unicodeText, true, m_repeatData.repeatCount); |
| m_repeatData.repeatCount += 1; |
| m_repeatTimer.setInterval(REPEAT_RATE); |
| m_repeatTimer.start(); |
| } |
| #endif |
| |
| QT_END_NAMESPACE |