136 lines
3.3 KiB
C++
136 lines
3.3 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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AutoDuck.h
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Markus Meyer
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**********************************************************************/
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#ifndef __AUDACITY_EFFECT_AUTODUCK__
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#define __AUDACITY_EFFECT_AUTODUCK__
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#include "Effect.h"
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class wxBitmap;
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class wxTextCtrl;
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class EffectAutoDuckPanel;
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class ShuttleGui;
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#define AUTO_DUCK_PANEL_NUM_CONTROL_POINTS 5
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class EffectAutoDuck final : public Effect
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{
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public:
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static const ComponentInterfaceSymbol Symbol;
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EffectAutoDuck();
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virtual ~EffectAutoDuck();
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// ComponentInterface implementation
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ComponentInterfaceSymbol GetSymbol() override;
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TranslatableString GetDescription() override;
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ManualPageID ManualPage() override;
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// EffectDefinitionInterface implementation
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EffectType GetType() override;
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// EffectClientInterface implementation
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bool DefineParams( ShuttleParams & S ) override;
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bool GetAutomationParameters(CommandParameters & parms) override;
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bool SetAutomationParameters(CommandParameters & parms) override;
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// Effect implementation
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bool Startup() override;
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bool Init() override;
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void End() override;
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bool Process() override;
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void PopulateOrExchange(ShuttleGui & S) override;
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bool TransferDataToWindow() override;
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bool TransferDataFromWindow() override;
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private:
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// EffectAutoDuck implementation
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bool ApplyDuckFade(int trackNum, WaveTrack *t, double t0, double t1);
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void OnValueChanged(wxCommandEvent & evt);
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private:
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double mDuckAmountDb;
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double mInnerFadeDownLen;
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double mInnerFadeUpLen;
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double mOuterFadeDownLen;
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double mOuterFadeUpLen;
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double mThresholdDb;
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double mMaximumPause;
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const WaveTrack *mControlTrack;
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wxTextCtrl *mDuckAmountDbBox;
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wxTextCtrl *mInnerFadeDownLenBox;
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wxTextCtrl *mInnerFadeUpLenBox;
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wxTextCtrl *mOuterFadeDownLenBox;
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wxTextCtrl *mOuterFadeUpLenBox;
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wxTextCtrl *mThresholdDbBox;
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wxTextCtrl *mMaximumPauseBox;
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EffectAutoDuckPanel *mPanel;
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DECLARE_EVENT_TABLE()
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friend class EffectAutoDuckPanel;
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};
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class EffectAutoDuckPanel final : public wxPanelWrapper
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{
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public:
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EffectAutoDuckPanel(
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wxWindow *parent, wxWindowID winid, EffectAutoDuck *effect);
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virtual ~EffectAutoDuckPanel();
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private:
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enum EControlPoint
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{
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innerFadeDown = 0,
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outerFadeDown,
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innerFadeUp,
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outerFadeUp,
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duckAmount,
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none = 99,
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};
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bool AcceptsFocus() const override { return false; }
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// So that wxPanel is not included in Tab traversal - see wxWidgets bug 15581
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bool AcceptsFocusFromKeyboard() const override { return false; }
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void OnPaint(wxPaintEvent & evt);
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void OnMouseCaptureChanged(wxMouseCaptureChangedEvent & evt);
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void OnMouseCaptureLost(wxMouseCaptureLostEvent & evt);
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void OnLeftDown(wxMouseEvent & evt);
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void OnLeftUp(wxMouseEvent & evt);
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void OnMotion(wxMouseEvent & evt);
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void ResetControlPoints();
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EControlPoint GetNearestControlPoint(const wxPoint & pt);
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private:
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wxWindow *mParent;
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EffectAutoDuck *mEffect;
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std::unique_ptr<wxBitmap> mBackgroundBitmap;
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EControlPoint mCurrentControlPoint;
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wxPoint mControlPoints[AUTO_DUCK_PANEL_NUM_CONTROL_POINTS];
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wxPoint mMoveStartControlPoints[AUTO_DUCK_PANEL_NUM_CONTROL_POINTS];
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wxPoint mMouseDownPoint;
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bool mControlPointMoveActivated;
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DECLARE_EVENT_TABLE()
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};
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#endif
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