NativeWindow.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  NativeWindow.h
 
  Audacity(R) is copyright (c) 1999-2008 Audacity Team.
  License: GPL v2 or later.  See License.txt.
 
  NOTE: Mostly copied from wxWidgets 3.1.1
 
*********************************************************************/
 
#ifndef NATIVEWINDOW_H
#define NATIVEWINDOW_H
 
#if defined(__WXMSW__)
#include <wx/msw/private.h>
#elif defined(__WXMAC__)
#include <wx/osx/core/private.h>
#include <wx/osx/cocoa/private.h>
#elif defined(__WXGTK__)
#include <gtk/gtk.h>
#endif
 
class NativeWindow : public wxWindow
{
public:
   NativeWindow()
   {
   }
 
#if defined(__WXMSW__)
 
   virtual ~NativeWindow()
   {
      UnsubclassWin();
   }
 
   bool Create(wxWindow* parent, WXWidget hwnd)
   {
       const wxRect r = wxRectFromRECT(wxGetWindowRect((HWND)hwnd));
 
       // Skip wxWindow::Create() which would try to create a new HWND, we don't
       // want this as we already have one.
       if (!CreateBase(parent,
                       wxID_ANY,
                       r.GetPosition(),
                       r.GetSize(),
                       0,
                       wxDefaultValidator,
                       wxS("nativewindow")))
      {
         return false;
      }
 
      parent->AddChild(this);
 
      SubclassWin(hwnd);
 
      
      InheritAttributes();
 
      return true;
   }
 
#elif defined(__WXMAC__)
 
   virtual ~NativeWindow()
   {
      GetPeer()->RemoveFromParent();
      SetPeer( nullptr );
   }
 
   bool Create(wxWindow* parent, WXWidget view)
   {
      DontCreatePeer();
 
      if (!wxWindow::Create(parent, wxID_ANY))
      {
         return false;
      }
 
      SetPeer(new wxWidgetCocoaImpl(this, view));
 
      return true;
   }
 
#elif defined(__WXGTK__)
 
   virtual ~NativeWindow()
   {
   }
 
   bool Create(wxWindow* parent, WXWidget widget)
   {
      if (!CreateBase(parent, wxID_ANY))
      {
         return false;
      }
 
      m_widget = widget;
      g_object_ref(m_widget);
 
      parent->DoAddChild(this);
 
      PostCreation();
 
      // Ensure that the best (and minimal) size is set to fully display the
      // widget.
      GtkRequisition req;
      gtk_widget_size_request(widget, &req);
      SetInitialSize(wxSize(req.width, req.height));
 
      return true;
   }
#endif
};
 
#endif