Initial release

engine/vendor/vst3sdk/public.sdk/source/vst/auwrapper/aucarbonview.mm

@@ -0,0 +1,146 @@
+//------------------------------------------------------------------------
+// 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