itsmattkc
d82acf9b7e
Frontend is largely done, it just needs backend and connecting to other widgets to function correctly.
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
#include "curveview.h"
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#include <QtMath>
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#include "common/qtversionabstraction.h"
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CurveView::CurveView(QWidget *parent) :
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TimelineViewBase(parent)
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{
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setAlignment(Qt::AlignLeft | Qt::AlignBottom);
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setDragMode(RubberBandDrag);
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setViewportUpdateMode(FullViewportUpdate);
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text_padding_ = QFontMetricsWidth(fontMetrics(), QStringLiteral("i"));
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}
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void CurveView::drawBackground(QPainter *painter, const QRectF &rect)
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{
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QVector<QLine> lines;
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//painter->setPen(palette().window().color());
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int grid_interval = 100;
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int x_start = qCeil(rect.left() / grid_interval) * grid_interval;
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int y_start = qCeil(rect.top() / grid_interval) * grid_interval;
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QPoint viewport_edges(0, qRound(rect.height()));
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QPointF scene_edges = mapToScene(viewport_edges);
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//QRectF scene_edges = mapToScene(viewport()->geometry()).boundingRect();
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// Add vertical lines
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for (int i=x_start;i<rect.right();i+=grid_interval) {
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painter->drawText(i + text_padding_, qRound(scene_edges.y()) - text_padding_, QString::number(i));
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lines.append(QLine(i, qRound(rect.top()), i, qRound(rect.bottom())));
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}
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// Add horizontal lines
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for (int i=y_start;i<rect.bottom();i+=grid_interval) {
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painter->drawText(qRound(scene_edges.x()) + text_padding_, i - text_padding_, QString::number(-i));
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lines.append(QLine(qRound(rect.left()), i, qRound(rect.right()), i));
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}
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painter->drawLines(lines);
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}
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