66 lines
2.7 KiB
C++
66 lines
2.7 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2017 Martin Flöser <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "effects_mouse_interception_x11_filter.h"
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#include "effects.h"
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#include "utils.h"
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#include <QMouseEvent>
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namespace KWin
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{
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EffectsMouseInterceptionX11Filter::EffectsMouseInterceptionX11Filter(xcb_window_t window, EffectsHandlerImpl *effects)
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: X11EventFilter(QVector<int>{XCB_BUTTON_PRESS, XCB_BUTTON_RELEASE, XCB_MOTION_NOTIFY})
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, m_effects(effects)
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, m_window(window)
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{
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}
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bool EffectsMouseInterceptionX11Filter::event(xcb_generic_event_t *event)
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{
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const uint8_t eventType = event->response_type & ~0x80;
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if (eventType == XCB_BUTTON_PRESS || eventType == XCB_BUTTON_RELEASE) {
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auto *me = reinterpret_cast<xcb_button_press_event_t*>(event);
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if (m_window == me->event) {
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const Qt::MouseButton button = x11ToQtMouseButton(me->detail);
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Qt::MouseButtons buttons = x11ToQtMouseButtons(me->state);
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const QEvent::Type type = (eventType == XCB_BUTTON_PRESS) ? QEvent::MouseButtonPress : QEvent::MouseButtonRelease;
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if (type == QEvent::MouseButtonPress) {
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buttons |= button;
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} else {
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buttons &= ~button;
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}
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QMouseEvent ev(type, QPoint(me->event_x, me->event_y), QPoint(me->root_x, me->root_y),
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button, buttons, x11ToQtKeyboardModifiers(me->state));
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return m_effects->checkInputWindowEvent(&ev);
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}
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} else if (eventType == XCB_MOTION_NOTIFY) {
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const auto *me = reinterpret_cast<xcb_motion_notify_event_t*>(event);
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if (m_window == me->event) {
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QMouseEvent ev(QEvent::MouseMove, QPoint(me->event_x, me->event_y), QPoint(me->root_x, me->root_y),
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Qt::NoButton, x11ToQtMouseButtons(me->state), x11ToQtKeyboardModifiers(me->state));
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return m_effects->checkInputWindowEvent(&ev);
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}
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}
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return false;
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}
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}
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