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//------------------------------------------------------------------------
// Project : VST SDK
//
// Category : Helpers
// Filename : public.sdk/source/vst/auwrapper/aucarbonview.mm
// Created by : Steinberg, 12/2007
// Description : VST 3 -> AU Wrapper
//
//-----------------------------------------------------------------------------
// 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.
//-----------------------------------------------------------------------------
/// \cond ignore
#include "aucarbonview.h"
#if !SMTG_PLATFORM_64
namespace Steinberg {
namespace Vst {
//------------------------------------------------------------------------
AUCarbonView::AUCarbonView (AudioUnitCarbonView auv)
: AUCarbonViewBase (auv)
, editController (0)
, plugView (0)
, hiPlugView (0)
{
}
//------------------------------------------------------------------------
AUCarbonView::~AUCarbonView ()
{
if (plugView)
{
plugView->setFrame (0);
plugView->removed ();
plugView->release ();
}
}
//------------------------------------------------------------------------
OSStatus AUCarbonView::HIViewAdded (EventHandlerCallRef inHandlerCallRef, EventRef inEvent, void *inUserData)
{
UInt32 eventClass = GetEventClass (inEvent);
UInt32 eventKind = GetEventKind (inEvent);
if (eventClass == kEventClassControl && eventKind == kEventControlAddedSubControl)
{
HIViewRef newControl;
if (GetEventParameter (inEvent, kEventParamControlSubControl, typeControlRef, NULL, sizeof (HIViewRef) , NULL , &newControl) == noErr)
{
AUCarbonView* wrapper = (AUCarbonView*)inUserData;
wrapper->hiPlugView = newControl;
RemoveEventHandler (wrapper->eventHandler);
wrapper->eventHandler = 0;
}
}
return eventNotHandledErr;
}
//------------------------------------------------------------------------
OSStatus AUCarbonView::CreateUI (Float32 xoffset, Float32 yoffset)
{
AudioUnit unit = GetEditAudioUnit ();
if (unit)
{
if (!editController)
{
UInt32 size = sizeof (IEditController*);
if (AudioUnitGetProperty (unit, 64000, kAudioUnitScope_Global, 0, &editController, &size) != noErr)
return kAudioUnitErr_NoConnection;
}
if (editController)
{
plugView = editController->createView (ViewType::kEditor);
if (!plugView)
return kAudioUnitErr_NoConnection;
HIViewRef contentView;
const EventTypeSpec eventTypes[] = {
{ kEventClassControl, kEventControlAddedSubControl },
};
OSStatus err = HIViewFindByID (HIViewGetRoot (GetCarbonWindow ()), kHIViewWindowContentID, &contentView);
err = InstallControlEventHandler (contentView, HIViewAdded, 1, eventTypes, this, &eventHandler);
plugView->setFrame (this);
if (plugView->attached (GetCarbonWindow (), kPlatformTypeHIView) == kResultTrue)
{
HIViewRemoveFromSuperview (hiPlugView);
EmbedControl (hiPlugView);
HIViewMoveBy (hiPlugView, xoffset, yoffset);
return noErr;
}
else
plugView->setFrame (0);
}
}
return kAudioUnitErr_NoConnection;
}
//------------------------------------------------------------------------
tresult PLUGIN_API AUCarbonView::resizeView (IPlugView* view, ViewRect* vr)
{
if (vr == 0 || view != plugView)
return kInvalidArgument;
HIViewRef hiView = GetCarbonPane ();
if (hiView)
{
HIRect r;
if (HIViewGetFrame (hiView, &r) != noErr)
return kResultFalse;
r.size.width = vr->right - vr->left;
r.size.height = vr->bottom - vr->top;
if (HIViewSetFrame (hiView, &r) != noErr)
return kResultFalse;
if (plugView)
plugView->onSize (vr);
return kResultTrue;
}
return kResultFalse;
}
//------------------------------------------------------------------------
//COMPONENT_ENTRY(AUCarbonView)
//------------------------------------------------------------------------
extern "C" {
ComponentResult AUCarbonViewEntry(ComponentParameters *params, AUCarbonView *obj);
__attribute__ ((visibility ("default"))) ComponentResult AUCarbonViewEntry(ComponentParameters *params, AUCarbonView *obj)
{
return ComponentEntryPoint<AUCarbonView>::Dispatch(params, obj);
}
}
//------------------------------------------------------------------------
} // namespace Vst
} // namespace Steinberg
#endif // !SMTG_PLATFORM_64
/// \endcond