qquickioscursorflashtimer.cpp

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// Copyright (C) 2022 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 "qquickioscursorflashtimer_p.h"
#include <QtGui/qguiapplication.h>
#include <QtGui/qstylehints.h>
 
QT_BEGIN_NAMESPACE
 
QQuickIOSCursorFlashTimer::QQuickIOSCursorFlashTimer(QObject *parent)
    : QObject(parent)
{
}
 
bool QQuickIOSCursorFlashTimer::visible() const
{
    return m_visible;
}
 
void QQuickIOSCursorFlashTimer::setVisible(bool visible)
{
    if (m_visible == visible)
        return;
    m_visible = visible;
    emit visibleChanged();
}
 
int QQuickIOSCursorFlashTimer::cursorPosition() const
{
    return m_cursorPosition;
}
 
void QQuickIOSCursorFlashTimer::setCursorPosition(int cursorPosition)
{
    if (m_cursorPosition == cursorPosition)
        return;
    m_cursorPosition = cursorPosition;
    emit cursorPositionChanged();
    start();
}
 
bool QQuickIOSCursorFlashTimer::running() const
{
    return m_running;
}
 
void QQuickIOSCursorFlashTimer::setRunning(bool running)
{
    if (running == m_running)
        return;
    m_running = running;
    emit runningChanged(m_running);
    if (!running) {
        stop();
        setVisible(false);
    } else {
        start();
    }
}
 
void QQuickIOSCursorFlashTimer::start()
{
    stop();
    m_timer = startTimer(QGuiApplication::styleHints()->cursorFlashTime() / 2);
}
 
void QQuickIOSCursorFlashTimer::stop()
{
    killTimer(m_timer);
    m_timer = 0;
}
 
void QQuickIOSCursorFlashTimer::timerEvent(QTimerEvent *event)
{
    if (event->timerId() == m_timer)
        setVisible(!visible());
}
 
QT_END_NAMESPACE