x11/PlugFrame.cpp

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  @file PlugFrame.cpp
 
  @author Vitaly Sverchinsky
 
  @brief Part of Audacity VST3 module
 
**********************************************************************/
 
#include "PlugFrame.h"
#include <wx/wupdlock.h>
 
using namespace internal::x11;
 
IMPLEMENT_REFCOUNT(PlugFrame)
 
Steinberg::tresult PlugFrame::queryInterface (const ::Steinberg::TUID _iid, void** obj)
{
   QUERY_INTERFACE (_iid, obj, Steinberg::FUnknown::iid, Steinberg::IPlugFrame);
   QUERY_INTERFACE (_iid, obj, Steinberg::IPlugFrame::iid, Steinberg::IPlugFrame);
   //As VST3 documentation states, IPlugFrame also has to provide
   //reference to the Steinberg::Linux::IRunLoop implementation.
   if (mRunLoop && Steinberg::FUnknownPrivate::iidEqual (_iid, Steinberg::Linux::IRunLoop::iid))
   {
      mRunLoop->addRef();
      *obj = static_cast<Steinberg::Linux::IRunLoop*>(mRunLoop.get());
      return ::Steinberg::kResultOk;
   }
   *obj = nullptr;
   return ::Steinberg::kNoInterface;   
}
 
PlugFrame::PlugFrame(Steinberg::Linux::IRunLoop* runLoop, wxWindow* window) 
   : mWindow(window), mRunLoop(runLoop)
{
   FUNKNOWN_CTOR;
}
PlugFrame::~PlugFrame()
{
   FUNKNOWN_DTOR;
}
 
void PlugFrame::init(Steinberg::IPlugView* view, Steinberg::ViewRect* size)
{
   if(!mInitialized)
      resizeView(view, size);
}
 
Steinberg::tresult PlugFrame::resizeView(Steinberg::IPlugView* view, Steinberg::ViewRect* viewRect)
{
   if(auto window = mWindow.get())
   {
      auto size = wxSize(viewRect->getWidth(), viewRect->getHeight());
 
      auto topWindow = wxGetTopLevelParent(window);
      wxWindowUpdateLocker windowUpdateLocker(topWindow);
 
      window->SetInitialSize(size);
      //Wrapper (x11::SocketWindow) geometry needs to be updated too
      window->GetChildren()[0]->SetInitialSize(size);
 
      topWindow->SetMinSize(wxDefaultSize);
      topWindow->Fit();
      topWindow->SetMinSize(topWindow->GetSize());
      
      if(!mInitialized)
      {
         topWindow->Center();
         mInitialized = true;
      }
 
      return view->onSize(viewRect);
   }
   return Steinberg::kResultFalse;
}