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cursors: Reimplement Cursors as QObject and implement dragging

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Mike Walters
2016-03-05 15:57:11 +00:00
parent c66c708157
commit a82a1af33d
5 changed files with 86 additions and 53 deletions
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36
spectrogramplot.cpp
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@@ -64,42 +64,6 @@ void SpectrogramPlot::xyToFreqTime(int x, int y, float *freq, float *time)
*time = (float)lineToSample(y) / sampleRate;
}
void SpectrogramPlot::mouseReleaseEvent(QMouseEvent *event)
{
if (deltaDragIsEnabled) {
cursorStartX = -1;
update();
}
}
void SpectrogramPlot::mouseMoveEvent(QMouseEvent *event)
{
float freq, time;
xyToFreqTime(event->x(), event->y(), &freq, &time);
emit cursorFrequencyChanged(QString::number(freq) + " Hz");
emit cursorTimeChanged(QString::number(time) + " s");
if (cursorStartX != -1) {
float s_freq, s_time;
xyToFreqTime(cursorStartX, cursorStartY, &s_freq, &s_time);
emit deltaFrequencyChanged(QString::number(fabs(s_freq - freq)) + " Hz");
emit deltaTimeChanged(QString::number(fabs(s_time - time)) + " s");
cursorEndX = event->x();
cursorEndY = event->y();
update();
}
}
void SpectrogramPlot::mousePressEvent(QMouseEvent *event)
{
if (cursorStartX == -1) {
cursorEndX = cursorStartX = event->x();
cursorEndY = cursorStartY = event->y();
} else {
cursorStartX = -1;
}
update();
}
void SpectrogramPlot::paintMid(QPainter &painter, QRect &rect, range_t<off_t> sampleRange)
{
if (!inputSource || inputSource->count() == 0)