File indexing completed on 2025-04-27 11:32:59

 /*
     SPDX-FileCopyrightText: 2022 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "x11_standalone_effects_keyboard_interception_filter.h"
 #include "x11_standalone_effects.h"
 #include "x11_standalone_keyboard.h"
 
 #include <QDebug>
 #include <QKeyEvent>
 #if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 #include <QtXkbCommonSupport/private/qxkbcommon_p.h>
 #else
 #include <QtGui/private/qxkbcommon_p.h>
 #endif
 
 namespace KWin
 {
 
 EffectsKeyboardInterceptionX11Filter::EffectsKeyboardInterceptionX11Filter(EffectsHandlerImpl *effects, X11Keyboard *keyboard)
     : X11EventFilter(QVector<int>{XCB_KEY_PRESS, XCB_KEY_RELEASE})
     , m_effects(effects)
     , m_keyboard(keyboard)
 {
 }
 
 bool EffectsKeyboardInterceptionX11Filter::event(xcb_generic_event_t *event)
 {
     switch (event->response_type & ~0x80) {
     case XCB_KEY_PRESS: {
         const auto keyEvent = reinterpret_cast<xcb_key_press_event_t *>(event);
         processKey(true, keyEvent->detail, keyEvent->time);
         return true;
     }
     case XCB_KEY_RELEASE: {
         const auto keyEvent = reinterpret_cast<xcb_key_release_event_t *>(event);
         processKey(false, keyEvent->detail, keyEvent->time);
         return true;
     }
     default:
         return false;
     }
 }
 
 void EffectsKeyboardInterceptionX11Filter::processKey(bool press, xcb_keycode_t keycode, xcb_timestamp_t timestamp)
 {
     const xkb_keysym_t keysym = xkb_state_key_get_one_sym(m_keyboard->xkbState(), keycode);
 
     Qt::KeyboardModifiers modifiers = m_keyboard->modifiers();
     if (QXkbCommon::isKeypad(keysym)) {
         modifiers |= Qt::KeypadModifier;
     }
 
     const int qtKey = QXkbCommon::keysymToQtKey(keysym, modifiers, m_keyboard->xkbState(), keycode);
     const QString text = QXkbCommon::lookupString(m_keyboard->xkbState(), keycode);
 
     QKeyEvent keyEvent(press ? QEvent::KeyPress : QEvent::KeyRelease, qtKey, modifiers, text);
     keyEvent.setTimestamp(timestamp);
 
     m_effects->grabbedKeyboardEvent(&keyEvent);
 }
 
 } // namespace KWin