INoteExpressionPhysicalUIMapping Class Reference

Extended plug-in interface IEditController for note expression event support: Vst::INoteExpressionPhysicalUIMapping. More...

#include <ivstphysicalui.h>

Inheritance diagram for INoteExpressionPhysicalUIMapping:

Public Member Functions
virtual tresult	getPhysicalUIMapping (int32 busIndex, int16 channel, PhysicalUIMapList &list)=0
	Fills the list of mapped [physical UI (in) - note expression (out)] for a given bus index and channel.
Public Member Functions inherited from FUnknown
virtual tresult	queryInterface (const TUID _iid, void **obj)=0
virtual uint32	addRef ()=0
virtual uint32	release ()=0

Static Public Attributes
static const FUID	iid
Static Public Attributes inherited from FUnknown
static const FUID	iid

Detailed Description

Extended plug-in interface IEditController for note expression event support: Vst::INoteExpressionPhysicalUIMapping.

• [plug imp]
• [extends IEditController]
• [released: 3.6.11]
• [optional]

With this plug-in interface, the host can retrieve the preferred physical mapping associated to note expression supported by the plug-in. When the mapping changes (for example when switching presets) the plug-in needs to inform the host about it via IComponentHandler::restartComponent (kNoteExpressionChanged).

Example

//------------------------------------------------------------------------
// here an example of how a VST3 plug-in could support this INoteExpressionPhysicalUIMapping interface.
// we need to define somewhere the iids:

//in MyController class declaration
class MyController : public Vst::EditController, public Vst::INoteExpressionPhysicalUIMapping
{
    // ...
    //--- INoteExpressionPhysicalUIMapping ---------------------------------
    tresult PLUGIN_API getPhysicalUIMapping (int32 busIndex, int16 channel, PhysicalUIMapList& list) SMTG_OVERRIDE;
    // ...

    OBJ_METHODS (MyController, Vst::EditController)
    DEFINE_INTERFACES
        // ...
        DEF_INTERFACE (Vst::INoteExpressionPhysicalUIMapping)
    END_DEFINE_INTERFACES (Vst::EditController)
    //...
}

// In mycontroller.cpp
#include "pluginterfaces/vst/ivstnoteexpression.h"

namespace Steinberg {
    namespace Vst {
        DEF_CLASS_IID (INoteExpressionPhysicalUIMapping)
    }
}
//------------------------------------------------------------------------
tresult PLUGIN_API MyController::getPhysicalUIMapping (int32 busIndex, int16 channel, PhysicalUIMapList& list)
{
    if (busIndex == 0 && channel == 0)
    {
        for (uint32 i = 0; i < list.count; ++i)
        {
            NoteExpressionTypeID type = kInvalidTypeID;
            if (kPUIXMovement == list.map[i].physicalUITypeID)
                list.map[i].noteExpressionTypeID = kCustomStart + 1;
            else if (kPUIYMovement == list.map[i].physicalUITypeID)
                list.map[i].noteExpressionTypeID = kCustomStart + 2;
        }
        return kResultTrue;
    }
    return kResultFalse;
}

Member Function Documentation

virtual tresult getPhysicalUIMapping ( int32  busIndex, int16  channel, PhysicalUIMapList &  list  )

pure virtual

Fills the list of mapped [physical UI (in) - note expression (out)] for a given bus index and channel.

Member Data Documentation

const FUID iid

static