audacity/src/effects/VST/VSTControlMSW.cpp

/**********************************************************************

  Audacity: A Digital Audio Editor

  VSTControlMSW.cpp

  Leland Lucius

**********************************************************************/

#include <wx/dynlib.h>
#include <wx/sizer.h>

#include "VSTControl.h"

VSTControl::VSTControl()
:  VSTControlBase()
{
}

VSTControl::~VSTControl()
{
   if (mHwnd)
   {
      mLink->callDispatcher(effEditClose, 0, 0, mHwnd, 0.0);
      mHwnd = 0;
   }
}

bool VSTControl::Create(wxWindow *parent, VSTEffectLink *link)
{
   if (!VSTControlBase::Create(parent, link))
   {
      return false;
   }

   VstRect *rect;

   // Some effects like to have us get their rect before opening them.
   mLink->callDispatcher(effEditGetRect, 0, 0, &rect, 0.0);

   // Get the native handle
   mHwnd = GetHWND();

   // Ask the effect to add its GUI
   mLink->callDispatcher(effEditOpen, 0, 0, mHwnd, 0.0);

   // Get the final bounds of the effect GUI
   mLink->callDispatcher(effEditGetRect, 0, 0, &rect, 0.0);

   // Add the effect host window to the layout
   SetMinSize(wxSize(rect->right - rect->left, rect->bottom - rect->top));

   // Must get the size again since SetPeer() could cause it to change
   SetInitialSize(GetMinSize());

   return true;
}