Qt 自定义钟表组件，包括数字钟表和指针钟表

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Qt 自定义钟表组件，包括数字钟表和指针钟表

#include "DigitalWatchWgt.h" #include #include #include DigitalWatchWgt::DigitalWatchWgt(bool isShowSecond, QWidget *parent) : QWidget(parent), m_isShowSecond(isShowSecond) { initData(); } DigitalWatchWgt::~DigitalWatchWgt() { if (m_timer && m_timer->isActive()) { m_timer->stop(); } } void DigitalWatchWgt::setFixedSize(const QSize &size) { this->setFixedSize(size.width(), size.height()); } void DigitalWatchWgt::setFixedSize(int w, int h) { qreal wid = 2 * m_border + m_margin.left() + m_margin.right(); qreal hgt = m_margin.top() + m_margin.bottom() + 2 * m_border; if (m_isShowSecond) { wid += 3 * m_numSpacing + 4 * m_colonSpacing + 2 * m_dotWid; } else { wid += 2 * m_numSpacing + 2 * m_colonSpacing + m_dotWid; } if (w > wid && h > hgt) { if (m_isShowSecond) { m_numSize.rwidth() = (w - wid) / kNumCount; } else { m_numSize.rwidth() = (w - wid) / 4; } m_numSize.rheight() = h - hgt; QWidget::setFixedSize(w, h); adjustPos(); calcLinePath(); } } void DigitalWatchWgt::setMargin(const QMargins &margin) { m_margin = margin; adaptSize(); } void DigitalWatchWgt::setNumSpacing(int spacing) { m_numSpacing = spacing; adaptSize(); } void DigitalWatchWgt::setColonSpacing(int spacing) { m_colonSpacing = spacing; adaptSize(); } // 设置组件边框 void DigitalWatchWgt::setBorder(qreal border) { m_border = border; adaptSize(); } // 设置线条之间的偏移量 void DigitalWatchWgt::setLineOffset(qreal offset) { m_lineOffset = offset > 0 ? offset : 0; } // 设置边框颜色 void DigitalWatchWgt::setBorderColor(const QColor &borColor) { m_borColor = borColor; } // 设置组件圆角 void DigitalWatchWgt::setBorderRadius(qreal borRadius) { m_borRadius = borRadius; } // 设置背景色 void DigitalWatchWgt::setBackground(const QColor &bkg) { m_bkgColor = bkg; } // 设置数字显示的颜色 void DigitalWatchWgt::setNumColor(const QColor &lightColor, const QColor &darkColor) { m_numLightColor = lightColor; m_numDarkColor = darkColor; } // 设置数字显示的尺寸 void DigitalWatchWgt::setNumSize(const QSizeF &size) { m_numSize = size; adaptSize(); calcLinePath(); } // 设置数字边框粗细 void DigitalWatchWgt::setNumBorder(qreal border) { if (border < 0.5 * m_numSize.width() && border < 0.25 * m_numSize.height()) { m_numBorder = border; } } // 设置冒号点宽度 void DigitalWatchWgt::setDotWidth(qreal dotWid) { m_dotWid = dotWid; adaptSize(); } void DigitalWatchWgt::initData() { m_margin = QMargins(12, 8, 12, 8); m_numSpacing = 12; m_colonSpacing = 12; m_border = 0; m_borRadius = 12; m_lineOffset = 3.0; m_bkgColor = Qt::transparent; m_numLightColor = QColor(255, 255, 255, 20); m_numDarkColor = QColor(12, 255, 12, 255); m_numSize = QSizeF(32.0, 64.0); m_numBorder = 8.0; m_dotWid = 8.0; m_timer = new QTimer(this); if (m_isShowSecond) { m_timer->setInterval(1000); } else { m_timer->setInterval(60000); } auto updateNumText = [this] { QString currTime = QTime::currentTime().toString("HHmmss"); if (kNumCount == currTime.length()) { for (int i = 0; i < kNumCount; ++i) { m_number[i].m_text = currTime.at(i); } } }; connect(m_timer, &QTimer::timeout, this, [=] { updateNumText(); update(); }); updateNumText(); m_timer->start(); } void DigitalWatchWgt::adaptSize() { int wid = m_margin.left() + m_margin.right() + static_cast(2 * m_border); int hgt = m_margin.top() + m_margin.bottom() + m_numSize.height(); hgt += static_cast(2 * m_border); if (m_isShowSecond) { wid += static_cast(kNumCount * m_numSize.width() + 2 * m_dotWid); wid += 3 * m_numSpacing + 4 * m_colonSpacing; } else { wid += static_cast(4 * m_numSize.width() + m_dotWid); wid += 2 * m_numSpacing + 2 * m_colonSpacing; } QWidget::setFixedSize(wid, hgt); adjustPos(); } void DigitalWatchWgt::adjustPos() { qreal xPos = m_border + m_margin.left(); qreal yPos = m_border + m_margin.top(); m_number[0].m_topX = xPos; m_number[0].m_topY = yPos; xPos += m_numSize.width() + m_numSpacing; m_number[1].m_topX = xPos; m_number[1].m_topY = yPos; xPos += m_numSize.width() + m_colonSpacing; m_rfColon[0] = QRectF(QPointF(xPos, yPos), QSizeF(m_dotWid, m_numSize.height())); xPos += m_dotWid + m_colonSpacing; m_number[2].m_topX = xPos; m_number[2].m_topY = yPos; xPos += m_numSize.width() + m_numSpacing; m_number[3].m_topX = xPos; m_number[3].m_topY = yPos; if (m_isShowSecond) { xPos += m_numSize.width() + m_colonSpacing; m_rfColon[1] = QRectF(xPos, yPos, m_dotWid, m_numSize.height()); xPos += m_dotWid + m_colonSpacing; m_number[4].m_topX = xPos; m_number[4].m_topY = yPos; xPos += m_numSize.width() + m_numSpacing; m_number[5].m_topX = xPos; m_number[5].m_topY = yPos; } } void DigitalWatchWgt::calcLinePath() { qreal tempWid = 0.5 * m_numBorder; QPointF ptf(0, 0); QPainterPath path[kLineCount]; ptf.rx() += m_numBorder + m_lineOffset; path[0].moveTo(ptf); ptf.rx() = m_numSize.width() - m_numBorder - m_lineOffset; path[0].lineTo(ptf); ptf.rx() += tempWid; ptf.ry() += tempWid; path[0].lineTo(ptf); ptf.rx() -= tempWid; ptf.ry() += tempWid; path[0].lineTo(ptf); ptf.rx() = m_numBorder + m_lineOffset; path[0].lineTo(ptf); ptf.rx() -= tempWid; ptf.ry() -= tempWid; path[0].lineTo(ptf); ptf.rx() += tempWid; ptf.ry() -= tempWid; path[0].lineTo(ptf); ptf.setX(0); ptf.setY(m_numBorder + m_lineOffset); path[1].moveTo(ptf); ptf.rx() += tempWid; ptf.ry() -= tempWid; path[1].lineTo(ptf); ptf.rx() += tempWid; ptf.ry() += tempWid; path[1].lineTo(ptf); ptf.ry() = 0.5 * (m_numSize.height() - m_numBorder) - m_lineOffset; path[1].lineTo(ptf); ptf.rx() -= tempWid; ptf.ry() += tempWid; path[1].lineTo(ptf); ptf.rx() -= tempWid; ptf.ry() -= tempWid; path[1].lineTo(ptf); ptf.ry() = m_numBorder + m_lineOffset; path[1].lineTo(ptf); ptf.setX(m_numSize.width() - m_numBorder); ptf.setY(m_numBorder + m_lineOffset); path[2].moveTo(ptf); ptf.rx() += tempWid; ptf.ry() -= tempWid; path[2].lineTo(ptf); ptf.rx() += tempWid; ptf.ry() += tempWid; path[2].lineTo(ptf); ptf.ry() = 0.5 * (m_numSize.height() - m_numBorder) - m_lineOffset; path[2].lineTo(ptf); ptf.rx() -= tempWid; ptf.ry() += tempWid; path[2].lineTo(ptf); ptf.rx() -= tempWid; ptf.ry() -= tempWid; path[2].lineTo(ptf); ptf.ry() = m_numBorder + m_lineOffset; path[2].lineTo(ptf); ptf.setX(m_numBorder + m_lineOffset); ptf.setY(0.5 * (m_numSize.height() - m_numBorder)); path[3].moveTo(ptf); ptf.rx() = m_numSize.width() - m_numBorder - m_lineOffset; path[3].lineTo(ptf); ptf.rx() += tempWid; ptf.ry() += tempWid; path[3].lineTo(ptf); ptf.rx() -= tempWid; ptf.ry() += tempWid; path[3].lineTo(ptf); ptf.rx() = m_numBorder + m_lineOffset; path[3].lineTo(ptf); ptf.rx() -= tempWid; ptf.ry() -= tempWid; path[3].lineTo(ptf);

资源文件列表:

ClockDlg.zip 大约有9个文件

ClockDlg/
ClockDlg/ClockDialog.cpp 992B
ClockDlg/ClockDialog.h 514B
ClockDlg/ClockDlg.pro 673B
ClockDlg/ClockWgt.cpp 6.68KB
ClockDlg/ClockWgt.h 1.69KB
ClockDlg/DigitalWatchWgt.cpp 13.47KB
ClockDlg/DigitalWatchWgt.h 3.02KB
ClockDlg/main.cpp 185B