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Tune mouse events

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This commit is contained in:
Allan Bazinet 2024-10-20 21:20:32 -07:00
parent a288b2891b
commit f4e2a330cd
1 changed files with 18 additions and 26 deletions
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44
plotter.cpp
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@ -571,26 +571,26 @@ CPlotter::in30MBand() const
}
int
CPlotter::xFromFreq(float const f) const //XfromFreq()
CPlotter::xFromFreq(float const f) const
{
return std::clamp(static_cast<int>(m_w * (f - m_startFreq) / m_fSpan + 0.5), 0, m_w);
}
float
CPlotter::freqFromX(int const x) const //FreqfromX()
CPlotter::freqFromX(int const x) const
{
return float(m_startFreq + x * m_binsPerPixel * FFT_BIN_WIDTH);
}
void
CPlotter::setPlot2dGain(int const n) //setPlot2dGain
CPlotter::setPlot2dGain(int const n)
{
m_plot2dGain = n;
update();
}
void
CPlotter::setStartFreq(int const f) //SetStartFreq()
CPlotter::setStartFreq(int const f)
{
m_startFreq = f;
resizeEvent(nullptr);
@ -599,11 +599,11 @@ CPlotter::setStartFreq(int const f) //SetStartFreq()
}
void
CPlotter::setBinsPerPixel(int const n) //setBinsPerPixel
CPlotter::setBinsPerPixel(int const n)
{
m_binsPerPixel = std::max(1, n);
drawOverlay(); //Redraw scales and ticks
update(); //trigger a new paintEvent}
drawOverlay();
update();
}
void
@ -616,23 +616,17 @@ CPlotter::leaveEvent(QEvent * event)
void
CPlotter::wheelEvent(QWheelEvent * event)
{
auto const delta = event->angleDelta();
auto const y = event->angleDelta().y();
if (delta.isNull())
if (auto const d = ((y > 0) - (y < 0)))
{
event->ignore();
return;
}
int const dir = delta.y() > 0 ? 1 : -1;
if(event->modifiers() & Qt::ControlModifier)
{
emit changeFreq(freq() + dir);
emit changeFreq(event->modifiers() & Qt::ControlModifier
? freq() + d
: freq() / 10 * 10 + d * 10);
}
else
{
emit changeFreq(freq() / 10 * 10 + dir * 10);
event->ignore();
}
}
@ -653,19 +647,17 @@ CPlotter::mouseReleaseEvent(QMouseEvent * event)
{
if (Qt::LeftButton == event->button())
{
auto const x = std::clamp(static_cast<int>(event->position().x()), 0, m_w);
auto const newFreq = static_cast<int>(freqFromX(x) + 0.5);
emit changeFreq(newFreq);
auto const x = std::clamp(static_cast<int>(event->position().x()), 0, m_w);
emit changeFreq(static_cast<int>(freqFromX(x) + 0.5));
}
else
{
event->ignore(); // let parent handle
event->ignore();
}
}
void
CPlotter::setPeriod(int const period) //setPeriod
CPlotter::setPeriod(int const period)
{
m_TRperiod = period;
drawOverlay();
@ -673,7 +665,7 @@ CPlotter::setPeriod(int const period) //setPeriod
}
void
CPlotter::setFreq(int const freq) //setTxFreq
CPlotter::setFreq(int const freq)
{
m_freq = freq;
drawOverlay();