allanger/paulxstretch
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Attempt implementing mousewheel zoom into waveform. Badly.

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xenakios
2018-03-02 22:49:32 +02:00
parent 0b52559ab1
commit 0d6eb09958
2 changed files with 25 additions and 0 deletions
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23
Source/PluginEditor.cpp
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@@ -104,6 +104,10 @@ PaulstretchpluginAudioProcessorEditor::PaulstretchpluginAudioProcessorEditor(Pau
};
m_zs.setRange(processor.m_wave_view_range, true);
m_wavecomponent.ViewRangeChangedCallback = [this](Range<double> rng)
{
m_zs.setRange(rng, false);
};
m_wavecomponent.TimeSelectionChangedCallback = [this](Range<double> range, int which)
{
*processor.getFloatParameter(cpi_soundstart) = range.getStart();
@@ -745,6 +749,25 @@ void WaveformComponent::mouseDoubleClick(const MouseEvent & e)
repaint();
}
void WaveformComponent::mouseWheelMove(const MouseEvent & e, const MouseWheelDetails & wd)
{
double factor = 0.9;
if (wd.deltaY < 0.0)
factor = 1.11111;
double normt = viewXToNormalized(e.x);
double curlen = m_view_range.getLength();
double newlen = curlen * factor;
double t0 = jlimit(0.0,1.0, normt - newlen / 2.0);
double t1 = jlimit(0.0,1.0, normt + newlen / 2.0);
m_view_range = { t0,t1 };
//m_view_range = m_view_range.constrainRange({ 0.0, 1.0 });
jassert(m_view_range.getStart() >= 0.0 && m_view_range.getEnd() <= 1.0);
if (ViewRangeChangedCallback)
ViewRangeChangedCallback(m_view_range);
m_image_dirty = true;
repaint();
}
Range<double> WaveformComponent::getTimeSelection()
{
if (m_time_sel_start >= 0.0 && m_time_sel_end>m_time_sel_start + 0.001)

2
Source/PluginEditor.h
View File

@@ -134,11 +134,13 @@ public:
std::function<void(double)> SeekCallback;
std::function<void(Range<double>, int)> TimeSelectionChangedCallback;
std::function<File()> GetFileCallback;
std::function<void(Range<double>)> ViewRangeChangedCallback;
void mouseDown(const MouseEvent& e) override;
void mouseUp(const MouseEvent& e) override;
void mouseDrag(const MouseEvent& e) override;
void mouseMove(const MouseEvent& e) override;
void mouseDoubleClick(const MouseEvent& e) override;
void mouseWheelMove(const MouseEvent& e, const MouseWheelDetails& wd) override;
Range<double> getTimeSelection();
void setTimeSelection(Range<double> rng);
void setFileCachedRange(std::pair<Range<double>, Range<double>> rng);