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ctrl-shift-mousewheel for Waveform dB ruler varies the limit without magnifying

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This commit is contained in:
Paul Licameli 2015-08-27 16:55:09 -04:00
parent 2ef874f036
commit 79cf794d82
1 changed files with 27 additions and 10 deletions
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37
src/TrackPanel.cpp
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@ -6280,28 +6280,45 @@ void TrackPanel::HandleWheelRotationInVRuler
wt->GetDisplay() == WaveTrack::Waveform &&
wt->GetWaveformSettings().scaleType == WaveformSettings::stLogarithmic;
if (isDB && event.ShiftDown()) {
// Special cases for Waveform dB only
// Vary the bottom of the dB scale, but only if the midline is visible
float min, max;
wt->GetDisplayBounds(&min, &max);
if (min < 0.0 && max > 0.0) {
WaveformSettings &settings = wt->GetIndependentWaveformSettings();
if (!(min < 0.0 && max > 0.0))
return;
WaveformSettings &settings = wt->GetIndependentWaveformSettings();
float olddBRange = settings.dBRange;
if (event.m_wheelRotation < 0)
// Zoom out
settings.NextLowerDBRange();
else
settings.NextHigherDBRange();
float newdBRange = settings.dBRange;
if (partner) {
WaveformSettings &settings = partner->GetIndependentWaveformSettings();
if (event.m_wheelRotation < 0)
// Zoom out
settings.NextLowerDBRange();
else
settings.NextHigherDBRange();
}
if (event.CmdDown()) {
// extra-special case that varies the db limit without changing
// magnification
const float extreme = (LINEAR_TO_DB(2) + newdBRange) / newdBRange;
max = std::min(extreme, max * olddBRange / newdBRange);
min = std::max(-extreme, min * olddBRange / newdBRange);
wt->SetLastdBRange();
wt->SetDisplayBounds(min, max);
if (partner) {
WaveformSettings &settings = partner->GetIndependentWaveformSettings();
if (event.m_wheelRotation < 0)
// Zoom out
settings.NextLowerDBRange();
else
settings.NextHigherDBRange();
partner->SetLastdBRange();
partner->SetDisplayBounds(min, max);
}
}
else
return;
}
else if (event.CmdDown()) {
HandleWaveTrackVZoom(