ivstunits.h

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 //------------------------------------------------------------------------
// Project     : VST SDK
//
// Category    : Interfaces
// Filename    : pluginterfaces/vst/ivstunits.h
// Created by  : Steinberg, 2005
// Description : VST Units Interfaces
//
//-----------------------------------------------------------------------------
// This file is part of a Steinberg SDK. It is subject to the license terms
// in the LICENSE file found in the top-level directory of this distribution
// and at www.steinberg.net/sdklicenses. 
// No part of the SDK, including this file, may be copied, modified, propagated,
// or distributed except according to the terms contained in the LICENSE file.
//-----------------------------------------------------------------------------
 
#pragma once
 
#include "pluginterfaces/base/funknown.h"
#include "pluginterfaces/vst/vsttypes.h"
 
//------------------------------------------------------------------------
#include "pluginterfaces/base/falignpush.h"
//------------------------------------------------------------------------
 
//------------------------------------------------------------------------
namespace Steinberg {
class IBStream;
//------------------------------------------------------------------------
namespace Vst {
//------------------------------------------------------------------------
static const UnitID kRootUnitId = 0;        
static const UnitID kNoParentUnitId = -1;   
 
//------------------------------------------------------------------------
static const ProgramListID kNoProgramListId = -1;   
 
//------------------------------------------------------------------------
struct UnitInfo
{
    UnitID id;                      
    UnitID parentUnitId;            
    String128 name;                 
    ProgramListID programListId;    
};
 
//------------------------------------------------------------------------
struct ProgramListInfo
{
    ProgramListID id;               
    String128 name;                 
    int32 programCount;             
};
 
//------------------------------------------------------------------------
static const int32 kAllProgramInvalid = -1;     
 
//------------------------------------------------------------------------
class IUnitHandler : public FUnknown
{
public:
//------------------------------------------------------------------------
    virtual tresult PLUGIN_API notifyUnitSelection (UnitID unitId) = 0;
 
    virtual tresult PLUGIN_API notifyProgramListChange (ProgramListID listId, int32 programIndex) = 0;
 
//------------------------------------------------------------------------
    static const FUID iid;
};
 
DECLARE_CLASS_IID (IUnitHandler, 0x4B5147F8, 0x4654486B, 0x8DAB30BA, 0x163A3C56)
 
//------------------------------------------------------------------------
class IUnitHandler2 : public FUnknown
{
public:
    //------------------------------------------------------------------------
    virtual tresult PLUGIN_API notifyUnitByBusChange () = 0;
 
    //------------------------------------------------------------------------
    static const FUID iid;
};
 
DECLARE_CLASS_IID (IUnitHandler2, 0xF89F8CDF, 0x699E4BA5, 0x96AAC9A4, 0x81452B01)
 
//------------------------------------------------------------------------
class IUnitInfo : public FUnknown
{
public:
//------------------------------------------------------------------------
    virtual int32 PLUGIN_API getUnitCount () = 0;
 
    virtual tresult PLUGIN_API getUnitInfo (int32 unitIndex, UnitInfo& info /*out*/) = 0;
 
    virtual int32 PLUGIN_API getProgramListCount () = 0;
 
    virtual tresult PLUGIN_API getProgramListInfo (int32 listIndex, ProgramListInfo& info /*out*/) = 0;
 
    virtual tresult PLUGIN_API getProgramName (ProgramListID listId, int32 programIndex, String128 name /*out*/) = 0;
 
    virtual tresult PLUGIN_API getProgramInfo (ProgramListID listId, int32 programIndex,
        CString attributeId /*in*/, String128 attributeValue /*out*/) = 0;
 
    virtual tresult PLUGIN_API hasProgramPitchNames (ProgramListID listId, int32 programIndex) = 0;
 
    virtual tresult PLUGIN_API getProgramPitchName (ProgramListID listId, int32 programIndex,
        int16 midiPitch, String128 name /*out*/) = 0;
 
    // units selection --------------------
    virtual UnitID PLUGIN_API getSelectedUnit () = 0;
 
    virtual tresult PLUGIN_API selectUnit (UnitID unitId) = 0;
 
    virtual tresult PLUGIN_API getUnitByBus (MediaType type, BusDirection dir, int32 busIndex,
        int32 channel, UnitID& unitId /*out*/) = 0;
 
    virtual tresult PLUGIN_API setUnitProgramData (int32 listOrUnitId, int32 programIndex, IBStream* data) = 0;
 
//------------------------------------------------------------------------
    static const FUID iid;
};
 
DECLARE_CLASS_IID (IUnitInfo, 0x3D4BD6B5, 0x913A4FD2, 0xA886E768, 0xA5EB92C1)
 
//------------------------------------------------------------------------
class IProgramListData : public FUnknown
{
public:
//------------------------------------------------------------------------
    virtual tresult PLUGIN_API programDataSupported (ProgramListID listId) = 0;
 
    virtual tresult PLUGIN_API getProgramData (ProgramListID listId, int32 programIndex, IBStream* data) = 0;
 
    virtual tresult PLUGIN_API setProgramData (ProgramListID listId, int32 programIndex, IBStream* data) = 0;
 
//------------------------------------------------------------------------
    static const FUID iid;
};
 
DECLARE_CLASS_IID (IProgramListData, 0x8683B01F, 0x7B354F70, 0xA2651DEC, 0x353AF4FF)
 
//------------------------------------------------------------------------
class IUnitData : public FUnknown
{
public:
//------------------------------------------------------------------------
    virtual tresult PLUGIN_API unitDataSupported (UnitID unitID) = 0;
 
    virtual tresult PLUGIN_API getUnitData (UnitID unitId, IBStream* data) = 0;
 
    virtual tresult PLUGIN_API setUnitData (UnitID unitId, IBStream* data) = 0;
 
//------------------------------------------------------------------------
    static const FUID iid;
};
 
DECLARE_CLASS_IID (IUnitData, 0x6C389611, 0xD391455D, 0xB870B833, 0x94A0EFDD)
 
//------------------------------------------------------------------------
} // namespace Vst
} // namespace Steinberg
 
//------------------------------------------------------------------------
#include "pluginterfaces/base/falignpop.h"
//------------------------------------------------------------------------