159 lines
3.6 KiB
C++
159 lines
3.6 KiB
C++
#include "track_header.h"
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#include "tools.h"
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#include <QtWidgets/QApplication>
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#include <QtGui/QBrush>
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#include <QtGui/QColor>
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#include <QCursor>
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#include <QtCore/QDebug>
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#include <QtGui/QFont>
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#include <QFontMetrics>
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#include <QtGui/QMouseEvent>
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#include <QtGui/QPainter>
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#include <QtGui/QPen>
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#include <QtCore/QTime>
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namespace LtsScriptTimeline
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{
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TrackHeader::TrackHeader(QWidget* parent)
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: QWidget(parent), m_indicatorTime(-1), m_textMargin(12), m_textSpacing(10), m_indicatorLock(false),
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m_tools(nullptr)
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{
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setCursor(Qt::IBeamCursor);
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m_timeFormat = QStringLiteral("HH:mm:ss");
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}
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void TrackHeader::setTools(Tools* tools)
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{
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m_tools = tools;
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}
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void TrackHeader::mousePressEvent(QMouseEvent* event)
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{
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if (event->buttons() != Qt::LeftButton)
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return;
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if (!m_indicatorLock)
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{
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setIndicatorTime(m_tools->getTime(event->position().toPoint().x()));
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emit signalHeaderIndicatorTimeUserChanged(m_indicatorTime);
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}
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}
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void TrackHeader::setIndicatorTime(int time)
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{
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m_indicatorTime = time;
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emit signalHeaderIndicatorTimeChanged(m_indicatorTime);
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update();
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}
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void TrackHeader::recreatePositionLabels()
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{
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QTime t;
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t.setHMS(23, 59, 59);
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QFontMetrics fm(QApplication::font());
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#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
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int currentTextWidth = fm.width(t.toString());
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#else
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int currentTextWidth = fm.horizontalAdvance(t.toString());
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#endif
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if (currentTextWidth < 1)
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{
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qCritical() << "TrackHeader::recreatePositionLabels: invalid text size";
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return;
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}
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int currentTextWidthTime = m_tools->getDuration(currentTextWidth);
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int time = m_tools->getDuration(m_textMargin);
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int end = (m_tools->m_timelineLength * 2) + currentTextWidthTime;
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int paintStartTime = m_tools->getTime(0) - currentTextWidthTime;
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int paintEndTime = m_tools->getTime(width() * 2);
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int count = 0;
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m_positionMarkers.clear();
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int textSpacingTime = m_tools->getDuration(m_textSpacing);
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while (time < end && count < 5000)
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{
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if (time >= paintStartTime && time <= paintEndTime)
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{
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m_positionMarkers.append(m_tools->getPos(time));
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}
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time += currentTextWidthTime + textSpacingTime;
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count++;
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}
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update();
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}
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void TrackHeader::resizeEvent(QResizeEvent* event)
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{
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recreatePositionLabels();
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QWidget::resizeEvent(event);
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}
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void TrackHeader::updateMe()
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{
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recreatePositionLabels();
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update();
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}
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void TrackHeader::paintEvent(QPaintEvent* event)
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{
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QPainter painter(this);
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QWidget::paintEvent(event);
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painter.save();
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painter.setPen(QGuiApplication::palette().windowText().color());
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painter.setBrush(QGuiApplication::palette().window().color());
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painter.drawRect(rect().adjusted(0, 0, -1, -1));
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int h = height();
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if (m_indicatorTime > -1 && m_indicatorTime <= m_tools->getTime(width()))
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{
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painter.setPen(QColor("cyan"));
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int indicatorPos = m_tools->getPos(m_indicatorTime);
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painter.drawLine(indicatorPos, h - (h / 4), indicatorPos, h);
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}
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painter.setPen(QGuiApplication::palette().windowText().color());
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for (auto i = m_positionMarkers.constBegin(); i != m_positionMarkers.constEnd(); ++i)
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{
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int pos = *i;
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int time = m_tools->getTime(pos);
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QTime t = QTime::fromMSecsSinceStartOfDay(time * 1000);
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QString x = t.toString(m_timeFormat);
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painter.drawText(pos, h / 2, x);
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painter.save();
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painter.setPen(QGuiApplication::palette().link().color());
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painter.drawLine(pos, (h / 2) + 2, pos, h);
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painter.restore();
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}
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painter.restore();
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}
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} // namespace LtsScriptTimeline
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