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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qlibinputpointer_p.h"
#include <libinput.h>
#include <QtCore/QEvent>
#include <QtGui/QGuiApplication>
#include <QtGui/QScreen>
#include <QtGui/private/qguiapplication_p.h>
#include <QtGui/private/qinputdevicemanager_p.h>
#include <qpa/qwindowsysteminterface.h>
#include <private/qhighdpiscaling_p.h>
QT_BEGIN_NAMESPACE
QLibInputPointer::QLibInputPointer()
: m_buttons(Qt::NoButton)
{
}
void QLibInputPointer::processButton(libinput_event_pointer *e)
{
const uint32_t b = libinput_event_pointer_get_button(e);
const bool pressed = libinput_event_pointer_get_button_state(e) == LIBINPUT_BUTTON_STATE_PRESSED;
Qt::MouseButton button = Qt::NoButton;
switch (b) {
case 0x110: button = Qt::LeftButton; break; // BTN_LEFT
case 0x111: button = Qt::RightButton; break;
case 0x112: button = Qt::MiddleButton; break;
case 0x113: button = Qt::ExtraButton1; break; // AKA Qt::BackButton
case 0x114: button = Qt::ExtraButton2; break; // AKA Qt::ForwardButton
case 0x115: button = Qt::ExtraButton3; break; // AKA Qt::TaskButton
case 0x116: button = Qt::ExtraButton4; break;
case 0x117: button = Qt::ExtraButton5; break;
case 0x118: button = Qt::ExtraButton6; break;
case 0x119: button = Qt::ExtraButton7; break;
case 0x11a: button = Qt::ExtraButton8; break;
case 0x11b: button = Qt::ExtraButton9; break;
case 0x11c: button = Qt::ExtraButton10; break;
case 0x11d: button = Qt::ExtraButton11; break;
case 0x11e: button = Qt::ExtraButton12; break;
case 0x11f: button = Qt::ExtraButton13; break;
}
m_buttons.setFlag(button, pressed);
QEvent::Type type = pressed ? QEvent::MouseButtonPress : QEvent::MouseButtonRelease;
Qt::KeyboardModifiers mods = QGuiApplicationPrivate::inputDeviceManager()->keyboardModifiers();
QWindowSystemInterface::handleMouseEvent(nullptr, m_pos, m_pos, m_buttons, button, type, mods);
}
void QLibInputPointer::processMotion(libinput_event_pointer *e)
{
const double dx = libinput_event_pointer_get_dx(e);
const double dy = libinput_event_pointer_get_dy(e);
QScreen * const primaryScreen = QGuiApplication::primaryScreen();
const QRect g = QHighDpi::toNativePixels(primaryScreen->virtualGeometry(), primaryScreen);
m_pos.setX(qBound(g.left(), qRound(m_pos.x() + dx), g.right()));
m_pos.setY(qBound(g.top(), qRound(m_pos.y() + dy), g.bottom()));
Qt::KeyboardModifiers mods = QGuiApplicationPrivate::inputDeviceManager()->keyboardModifiers();
QWindowSystemInterface::handleMouseEvent(nullptr, m_pos, m_pos, m_buttons,
Qt::NoButton, QEvent::MouseMove, mods);
}
void QLibInputPointer::processAbsMotion(libinput_event_pointer *e)
{
QScreen * const primaryScreen = QGuiApplication::primaryScreen();
const QRect g = QHighDpi::toNativePixels(primaryScreen->virtualGeometry(), primaryScreen);
const double x = libinput_event_pointer_get_absolute_x_transformed(e, g.width());
const double y = libinput_event_pointer_get_absolute_y_transformed(e, g.height());
m_pos.setX(qBound(g.left(), qRound(g.left() + x), g.right()));
m_pos.setY(qBound(g.top(), qRound(g.top() + y), g.bottom()));
Qt::KeyboardModifiers mods = QGuiApplicationPrivate::inputDeviceManager()->keyboardModifiers();
QWindowSystemInterface::handleMouseEvent(nullptr, m_pos, m_pos, m_buttons,
Qt::NoButton, QEvent::MouseMove, mods);
}
void QLibInputPointer::processAxis(libinput_event_pointer *e)
{
double value; // default axis value is 15 degrees per wheel click
QPoint angleDelta;
#if !QT_CONFIG(libinput_axis_api)
value = libinput_event_pointer_get_axis_value(e);
if (libinput_event_pointer_get_axis(e) == LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL)
angleDelta.setY(qRound(value));
else
angleDelta.setX(qRound(value));
#else
if (libinput_event_pointer_has_axis(e, LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL)) {
#if QT_CONFIG(libinput_hires_wheel_support)
value = libinput_event_pointer_get_scroll_value_v120(e, LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL);
#else
value = libinput_event_pointer_get_axis_value(e, LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL);
#endif
angleDelta.setY(qRound(value));
}
if (libinput_event_pointer_has_axis(e, LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL)) {
#if QT_CONFIG(libinput_hires_wheel_support)
value = libinput_event_pointer_get_scroll_value_v120(e, LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL);
#else
value = libinput_event_pointer_get_axis_value(e, LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL);
#endif
angleDelta.setX(qRound(value));
}
#endif
#if QT_CONFIG(libinput_hires_wheel_support)
const int factor = -1;
#else
const int factor = -8;
#endif
angleDelta *= factor;
Qt::KeyboardModifiers mods = QGuiApplicationPrivate::inputDeviceManager()->keyboardModifiers();
QWindowSystemInterface::handleWheelEvent(nullptr, m_pos, m_pos, QPoint(), angleDelta, mods);
}
void QLibInputPointer::setPos(const QPoint &pos)
{
QScreen * const primaryScreen = QGuiApplication::primaryScreen();
const QRect g = QHighDpi::toNativePixels(primaryScreen->virtualGeometry(), primaryScreen);
m_pos.setX(qBound(g.left(), pos.x(), g.right()));
m_pos.setY(qBound(g.top(), pos.y(), g.bottom()));
}
QT_END_NAMESPACE
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