Track and display screen lock info
Record lock time, duration and count in CustomWidget and show a lock-info overlay. setPaintingEnabled now logs lock/unlock times and increments lock count. Emit screenLocked/screenUnlocked signals in ScreenLockDetector. Minor UI and whitespace cleanup.
This commit is contained in:
parent
7e919ddef9
commit
7e468e0232
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@ -12,15 +12,17 @@ CustomWidget::CustomWidget(QWidget *parent)
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, m_rotationAngle(0.0)
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, m_wavePhase(0.0)
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, m_startTime(QDateTime::currentDateTime())
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, m_lastLockDuration(0)
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, m_lockCount(0)
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{
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// 设置窗口属性
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setMinimumSize(600, 400);
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// 创建动画定时器 - 60 FPS
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m_animationTimer = new QTimer(this);
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connect(m_animationTimer, &QTimer::timeout, this, &CustomWidget::onAnimationTimer);
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m_animationTimer->start(16); // 约60 FPS (1000/60 ≈ 16ms)
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qDebug() << "CustomWidget created, animation timer started";
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}
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@ -36,17 +38,31 @@ void CustomWidget::setPaintingEnabled(bool enabled)
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{
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if (m_paintingEnabled != enabled) {
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m_paintingEnabled = enabled;
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if (enabled) {
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qDebug() << "Painting ENABLED - Resuming animations";
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m_animationTimer->start(16);
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// 解锁：计算锁屏持续时间
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if (m_lastLockTime.isValid()) {
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QDateTime unlockTime = QDateTime::currentDateTime();
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m_lastLockDuration = m_lastLockTime.secsTo(unlockTime);
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qDebug() << "Screen was locked for" << m_lastLockDuration << "seconds";
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}
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m_startTime = QDateTime::currentDateTime();
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} else {
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qDebug() << "Painting DISABLED - Stopping animations";
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m_animationTimer->stop();
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// 锁屏：记录锁屏时间
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m_pauseTime = QDateTime::currentDateTime();
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m_lastLockTime = m_pauseTime;
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m_lockCount++;
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qDebug() << "Screen locked at" << m_lastLockTime.toString("yyyy-MM-dd hh:mm:ss")
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<< "- Lock count:" << m_lockCount;
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}
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// 触发重绘以更新状态显示
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update();
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}
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@ -76,12 +92,12 @@ void CustomWidget::onAnimationTimer()
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if (m_rotationAngle >= 360.0) {
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m_rotationAngle -= 360.0;
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}
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m_wavePhase += 0.05;
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if (m_wavePhase >= 2 * M_PI) {
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m_wavePhase -= 2 * M_PI;
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}
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// 触发重绘
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update();
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}
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@ -90,48 +106,48 @@ void CustomWidget::onAnimationTimer()
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void CustomWidget::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event);
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// 如果绘制被禁用，仅绘制一次状态信息然后返回
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if (!m_paintingEnabled) {
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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// 绘制暗背景
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painter.fillRect(rect(), QColor(40, 40, 40));
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// 绘制禁用状态信息
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painter.setPen(QColor(200, 200, 200));
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QFont font = painter.font();
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font.setPointSize(16);
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font.setBold(true);
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painter.setFont(font);
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QString text = "PAINTING DISABLED\n(Screen Locked)";
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painter.drawText(rect(), Qt::AlignCenter, text);
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// 绘制统计信息
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font.setPointSize(12);
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font.setBold(false);
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painter.setFont(font);
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painter.setPen(QColor(150, 150, 150));
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QString stats = QString("Total Frames Painted: %1\nPaused at: %2")
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.arg(m_frameCount)
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.arg(m_pauseTime.toString("hh:mm:ss"));
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QRect statsRect = rect().adjusted(20, 0, -20, -20);
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painter.drawText(statsRect, Qt::AlignBottom | Qt::AlignLeft, stats);
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return;
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}
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// 正常绘制流程
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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// 增加帧计数
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m_frameCount++;
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// 绘制各个图层
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drawBackground(painter);
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drawRotatingCircles(painter);
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@ -143,60 +159,60 @@ void CustomWidget::drawBackground(QPainter &painter)
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{
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// 绘制渐变背景
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QLinearGradient gradient(0, 0, width(), height());
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// 根据时间变化颜色
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double time = m_rotationAngle / 360.0;
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int r1 = static_cast<int>(100 + 50 * sin(time * 2 * M_PI));
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int g1 = static_cast<int>(150 + 50 * sin(time * 2 * M_PI + M_PI / 3));
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int b1 = static_cast<int>(200 + 55 * sin(time * 2 * M_PI + 2 * M_PI / 3));
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gradient.setColorAt(0, QColor(r1, g1, b1));
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gradient.setColorAt(1, QColor(30, 30, 60));
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painter.fillRect(rect(), gradient);
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}
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void CustomWidget::drawRotatingCircles(QPainter &painter)
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{
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painter.save();
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int centerX = width() / 2;
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int centerY = height() / 2;
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painter.translate(centerX, centerY);
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painter.rotate(m_rotationAngle);
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// 绘制多个旋转的圆圈
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for (int i = 0; i < 8; i++) {
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double angle = (i * 2 * M_PI) / 8;
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int radius = 80;
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int x = static_cast<int>(radius * cos(angle));
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int y = static_cast<int>(radius * sin(angle));
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QColor color;
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color.setHsv((i * 360 / 8 + static_cast<int>(m_rotationAngle)) % 360, 200, 255, 180);
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painter.setPen(QPen(color, 2));
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painter.setBrush(color);
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painter.drawEllipse(QPoint(x, y), 15, 15);
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}
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painter.restore();
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}
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void CustomWidget::drawWaveEffect(QPainter &painter)
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{
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painter.save();
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painter.setPen(QPen(QColor(255, 255, 255, 150), 2));
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// 绘制正弦波
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QPainterPath path;
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bool firstPoint = true;
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for (int x = 0; x < width(); x += 5) {
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double y = height() * 0.7 + 30 * sin(m_wavePhase + x * 0.02);
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if (firstPoint) {
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path.moveTo(x, y);
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firstPoint = false;
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@ -204,17 +220,17 @@ void CustomWidget::drawWaveEffect(QPainter &painter)
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path.lineTo(x, y);
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}
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}
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painter.drawPath(path);
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// 绘制第二条波浪（相位偏移）
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painter.setPen(QPen(QColor(255, 255, 100, 120), 2));
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path = QPainterPath();
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firstPoint = true;
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for (int x = 0; x < width(); x += 5) {
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double y = height() * 0.7 + 30 * sin(m_wavePhase + M_PI + x * 0.02);
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if (firstPoint) {
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path.moveTo(x, y);
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firstPoint = false;
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@ -222,36 +238,36 @@ void CustomWidget::drawWaveEffect(QPainter &painter)
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path.lineTo(x, y);
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}
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}
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painter.drawPath(path);
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painter.restore();
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}
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void CustomWidget::drawStatusInfo(QPainter &painter)
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{
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painter.save();
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// 绘制标题
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QFont titleFont = painter.font();
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titleFont.setPointSize(18);
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titleFont.setBold(true);
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painter.setFont(titleFont);
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painter.setPen(QColor(255, 255, 255));
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QString title = "Qt Screen Lock Demo - Painting Active";
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QRect titleRect(0, 20, width(), 40);
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painter.drawText(titleRect, Qt::AlignCenter, title);
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// 绘制统计信息
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QFont infoFont = painter.font();
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infoFont.setPointSize(12);
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infoFont.setBold(false);
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painter.setFont(infoFont);
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QDateTime now = QDateTime::currentDateTime();
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qint64 elapsed = m_startTime.secsTo(now);
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QString stats = QString(
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"Frame Count: %1\n"
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"FPS: ~60\n"
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@ -260,22 +276,70 @@ void CustomWidget::drawStatusInfo(QPainter &painter)
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).arg(m_frameCount)
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.arg(static_cast<int>(m_rotationAngle))
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.arg(elapsed);
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// 绘制半透明背景框
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QRect statsRect(10, 70, 200, 100);
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painter.fillRect(statsRect, QColor(0, 0, 0, 150));
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painter.setPen(QColor(200, 255, 200));
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painter.drawText(statsRect.adjusted(10, 5, -10, -5), Qt::AlignLeft | Qt::AlignTop, stats);
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if (m_lastLockTime.isValid()) {
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drawLockInfo(painter);
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}
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// 绘制提示信息
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painter.setPen(QColor(255, 255, 150));
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infoFont.setPointSize(11);
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painter.setFont(infoFont);
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QString hint = "Lock your screen to see the painting stop automatically!";
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QRect hintRect(0, height() - 40, width(), 30);
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painter.drawText(hintRect, Qt::AlignCenter, hint);
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painter.restore();
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}
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}
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void CustomWidget::drawLockInfo(QPainter &painter)
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{
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QFont infoFont = painter.font();
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QRect lockInfoRect(10, 180, 350, 110);
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painter.fillRect(lockInfoRect, QColor(60, 0, 60, 180));
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painter.setPen(QColor(255, 200, 255));
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infoFont.setBold(true);
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infoFont.setPointSize(11);
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painter.setFont(infoFont);
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painter.drawText(lockInfoRect.adjusted(10, 5, -10, -5), Qt::AlignLeft | Qt::AlignTop,
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"Last Lock Info:");
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infoFont.setBold(false);
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infoFont.setPointSize(11);
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painter.setFont(infoFont);
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painter.setPen(QColor(255, 220, 255));
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// 格式化锁屏时长
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QString durationStr;
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if (m_lastLockDuration < 60) {
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durationStr = QString("%1 seconds").arg(m_lastLockDuration);
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} else if (m_lastLockDuration < 3600) {
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int minutes = m_lastLockDuration / 60;
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int seconds = m_lastLockDuration % 60;
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durationStr = QString("%1m %2s").arg(minutes).arg(seconds);
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} else {
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int hours = m_lastLockDuration / 3600;
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int minutes = (m_lastLockDuration % 3600) / 60;
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int seconds = m_lastLockDuration % 60;
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durationStr = QString("%1h %2m %3s").arg(hours).arg(minutes).arg(seconds);
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}
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QString lockInfo = QString(
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"\nLock Time: %1\n"
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"Duration: %2\n"
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"Total Locks: %3"
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).arg(m_lastLockTime.toString("yyyy-MM-dd hh:mm:ss"))
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.arg(durationStr)
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.arg(m_lockCount);
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painter.drawText(lockInfoRect.adjusted(10, 25, -10, -5), Qt::AlignLeft | Qt::AlignTop, lockInfo);
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}
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@ -10,7 +10,7 @@
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/**
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* @brief 自定义绘制组件类
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*
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*
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* 这个组件会持续进行动画绘制，展示屏幕锁定检测的效果
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* 当屏幕锁定时，会自动停止所有Paint事件
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*/
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@ -83,6 +83,12 @@ private:
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*/
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void drawStatusInfo(QPainter &painter);
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/**
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* @brief 绘制锁屏信息
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* @param painter 绘制器
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*/
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void drawLockInfo(QPainter &painter);
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private:
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QTimer *m_animationTimer; // 动画定时器
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bool m_paintingEnabled; // 绘制是否启用
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@ -91,6 +97,9 @@ private:
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double m_wavePhase; // 波浪相位
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QDateTime m_startTime; // 开始时间
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QDateTime m_pauseTime; // 暂停时间
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QDateTime m_lastLockTime; // 上次锁屏时间
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qint64 m_lastLockDuration; // 上次锁屏持续时长（秒）
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int m_lockCount; // 锁屏次数
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};
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#endif // CUSTOMWIDGET_H
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#endif // CUSTOMWIDGET_H
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@ -21,35 +21,35 @@ MainWindow::MainWindow(QWidget *parent)
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{
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setWindowTitle("Qt Screen Lock Detection Demo");
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setMinimumSize(800, 600);
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// 初始化锁屏检测器
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m_lockDetector = new ScreenLockDetector(this);
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// 初始化UI
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setupUI();
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// 设置信号连接
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setupConnections();
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// 初始化锁屏检测器
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bool initOk = m_lockDetector->initialize();
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if (!initOk) {
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QMessageBox::warning(this,
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"Warning",
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QMessageBox::warning(this,
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"Warning",
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"Failed to initialize screen lock detector.\n"
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"The application will continue to run, but screen lock detection may not work.\n\n"
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"This is normal if you're not running on a supported Linux desktop environment.");
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}
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// 创建状态更新定时器
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m_updateTimer = new QTimer(this);
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connect(m_updateTimer, &QTimer::timeout, this, &MainWindow::updateStatusDisplay);
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m_updateTimer->start(100); // 每100ms更新一次状态显示
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// 初始化状态显示
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updateStatusDisplay();
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updateButtonStates();
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qDebug() << "MainWindow initialized";
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}
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@ -66,55 +66,55 @@ void MainWindow::setupUI()
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// 创建中央窗口部件
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m_centralWidget = new QWidget(this);
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setCentralWidget(m_centralWidget);
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m_mainLayout = new QVBoxLayout(m_centralWidget);
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m_mainLayout->setSpacing(10);
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m_mainLayout->setContentsMargins(10, 10, 10, 10);
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// 创建自定义绘制组件
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m_customWidget = new CustomWidget(this);
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m_mainLayout->addWidget(m_customWidget, 1);
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// 创建控制面板
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m_controlGroup = new QGroupBox("Manual Control", this);
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QHBoxLayout *controlLayout = new QHBoxLayout(m_controlGroup);
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m_enablePaintBtn = new QPushButton("Enable Painting", this);
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m_disablePaintBtn = new QPushButton("Disable Painting", this);
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m_resetFrameBtn = new QPushButton("Reset Frame Count", this);
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m_enablePaintBtn->setMinimumHeight(35);
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m_disablePaintBtn->setMinimumHeight(35);
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m_resetFrameBtn->setMinimumHeight(35);
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controlLayout->addWidget(m_enablePaintBtn);
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controlLayout->addWidget(m_disablePaintBtn);
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controlLayout->addWidget(m_resetFrameBtn);
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controlLayout->addStretch();
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m_mainLayout->addWidget(m_controlGroup);
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// 创建状态显示面板
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m_statusGroup = new QGroupBox("Status Information", this);
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QVBoxLayout *statusLayout = new QVBoxLayout(m_statusGroup);
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m_lockStatusLabel = new QLabel("Screen Lock Status: Unknown", this);
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m_paintStatusLabel = new QLabel("Painting Status: Unknown", this);
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m_frameCountLabel = new QLabel("Frame Count: 0", this);
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m_detectorStatusLabel = new QLabel("Detector Status: Initializing...", this);
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QFont statusFont;
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statusFont.setPointSize(10);
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m_lockStatusLabel->setFont(statusFont);
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m_paintStatusLabel->setFont(statusFont);
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m_frameCountLabel->setFont(statusFont);
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m_detectorStatusLabel->setFont(statusFont);
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statusLayout->addWidget(m_detectorStatusLabel);
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statusLayout->addWidget(m_lockStatusLabel);
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statusLayout->addWidget(m_paintStatusLabel);
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statusLayout->addWidget(m_frameCountLabel);
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m_mainLayout->addWidget(m_statusGroup);
|
||||
}
|
||||
|
||||
|
|
@ -123,20 +123,20 @@ void MainWindow::setupConnections()
|
|||
// 连接锁屏检测器信号
|
||||
connect(m_lockDetector, &ScreenLockDetector::screenLocked,
|
||||
this, &MainWindow::onScreenLocked);
|
||||
|
||||
|
||||
connect(m_lockDetector, &ScreenLockDetector::screenUnlocked,
|
||||
this, &MainWindow::onScreenUnlocked);
|
||||
|
||||
|
||||
connect(m_lockDetector, &ScreenLockDetector::lockStateChanged,
|
||||
this, &MainWindow::onLockStateChanged);
|
||||
|
||||
|
||||
// 连接按钮信号
|
||||
connect(m_enablePaintBtn, &QPushButton::clicked,
|
||||
this, &MainWindow::onEnablePaintingClicked);
|
||||
|
||||
|
||||
connect(m_disablePaintBtn, &QPushButton::clicked,
|
||||
this, &MainWindow::onDisablePaintingClicked);
|
||||
|
||||
|
||||
connect(m_resetFrameBtn, &QPushButton::clicked,
|
||||
this, &MainWindow::onResetFrameCountClicked);
|
||||
}
|
||||
|
|
@ -144,13 +144,12 @@ void MainWindow::setupConnections()
|
|||
void MainWindow::onScreenLocked()
|
||||
{
|
||||
qDebug() << "MainWindow: Screen locked event received";
|
||||
|
||||
|
||||
// 停止绘制
|
||||
if (m_customWidget) {
|
||||
m_customWidget->setPaintingEnabled(false);
|
||||
m_customWidget->resetFrameCount();
|
||||
}
|
||||
|
||||
|
||||
updateStatusDisplay();
|
||||
updateButtonStates();
|
||||
}
|
||||
|
|
@ -158,12 +157,12 @@ void MainWindow::onScreenLocked()
|
|||
void MainWindow::onScreenUnlocked()
|
||||
{
|
||||
qDebug() << "MainWindow: Screen unlocked event received";
|
||||
|
||||
|
||||
// 恢复绘制
|
||||
if (m_customWidget) {
|
||||
m_customWidget->setPaintingEnabled(true);
|
||||
}
|
||||
|
||||
|
||||
updateStatusDisplay();
|
||||
updateButtonStates();
|
||||
}
|
||||
|
|
@ -171,12 +170,12 @@ void MainWindow::onScreenUnlocked()
|
|||
void MainWindow::onLockStateChanged(bool locked)
|
||||
{
|
||||
qDebug() << "MainWindow: Lock state changed to:" << (locked ? "LOCKED" : "UNLOCKED");
|
||||
|
||||
|
||||
// 根据锁屏状态自动启用/禁用绘制
|
||||
if (m_customWidget) {
|
||||
m_customWidget->setPaintingEnabled(!locked);
|
||||
}
|
||||
|
||||
|
||||
updateStatusDisplay();
|
||||
updateButtonStates();
|
||||
}
|
||||
|
|
@ -186,7 +185,7 @@ void MainWindow::updateStatusDisplay()
|
|||
if (!m_lockDetector) {
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
// 更新检测器状态
|
||||
QString detectorStatus = "Detector Status: ";
|
||||
if (m_lockDetector) {
|
||||
|
|
@ -195,7 +194,7 @@ void MainWindow::updateStatusDisplay()
|
|||
detectorStatus += "<span style='color: red;'><b>Not Available</b></span>";
|
||||
}
|
||||
m_detectorStatusLabel->setText(detectorStatus);
|
||||
|
||||
|
||||
// 更新锁屏状态
|
||||
bool isLocked = m_lockDetector->isScreenLocked();
|
||||
QString lockStatus = "Screen Lock Status: ";
|
||||
|
|
@ -205,7 +204,7 @@ void MainWindow::updateStatusDisplay()
|
|||
lockStatus += "<span style='color: green;'><b>🔓 UNLOCKED</b></span>";
|
||||
}
|
||||
m_lockStatusLabel->setText(lockStatus);
|
||||
|
||||
|
||||
// 更新绘制状态
|
||||
bool isPainting = m_customWidget ? m_customWidget->isPaintingEnabled() : false;
|
||||
QString paintStatus = "Painting Status: ";
|
||||
|
|
@ -215,7 +214,7 @@ void MainWindow::updateStatusDisplay()
|
|||
paintStatus += "<span style='color: red;'><b>✗ DISABLED (Stopped)</b></span>";
|
||||
}
|
||||
m_paintStatusLabel->setText(paintStatus);
|
||||
|
||||
|
||||
// 更新帧计数
|
||||
int frameCount = m_customWidget ? m_customWidget->getPaintFrameCount() : 0;
|
||||
QString frameCountStr = QString("Frame Count: <b>%1</b> frames").arg(frameCount);
|
||||
|
|
@ -233,11 +232,11 @@ void MainWindow::updateButtonStates()
|
|||
void MainWindow::onEnablePaintingClicked()
|
||||
{
|
||||
qDebug() << "Manual enable painting clicked";
|
||||
|
||||
|
||||
if (m_customWidget) {
|
||||
m_customWidget->setPaintingEnabled(true);
|
||||
}
|
||||
|
||||
|
||||
updateStatusDisplay();
|
||||
updateButtonStates();
|
||||
}
|
||||
|
|
@ -245,11 +244,11 @@ void MainWindow::onEnablePaintingClicked()
|
|||
void MainWindow::onDisablePaintingClicked()
|
||||
{
|
||||
qDebug() << "Manual disable painting clicked";
|
||||
|
||||
|
||||
if (m_customWidget) {
|
||||
m_customWidget->setPaintingEnabled(false);
|
||||
}
|
||||
|
||||
|
||||
updateStatusDisplay();
|
||||
updateButtonStates();
|
||||
}
|
||||
|
|
@ -257,10 +256,10 @@ void MainWindow::onDisablePaintingClicked()
|
|||
void MainWindow::onResetFrameCountClicked()
|
||||
{
|
||||
qDebug() << "Reset frame count clicked";
|
||||
|
||||
|
||||
if (m_customWidget) {
|
||||
m_customWidget->resetFrameCount();
|
||||
}
|
||||
|
||||
|
||||
updateStatusDisplay();
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -78,12 +78,12 @@ void ScreenLockDetector::setLockState(bool locked)
|
|||
qDebug() << "## Screen lock state changed:" << (locked ? "LOCKED" : "UNLOCKED");
|
||||
qDebug() << "##################################################";
|
||||
|
||||
// emit lockStateChanged(locked);
|
||||
emit lockStateChanged(locked);
|
||||
|
||||
if (locked) {
|
||||
emit screenLocked();
|
||||
} else {
|
||||
// emit screenUnlocked();
|
||||
emit screenUnlocked();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue