uipart.cpp

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//----------------------------------------------------------------------------
// ObjectWindows
// Copyright (c) 1995, 1996 by Borland International, All Rights Reserved
//
//----------------------------------------------------------------------------
#include <owl/pch.h>
#include <owl/defs.h>
#include <owl/uihelper.h>
#include <owl/gdiobjec.h>
 
namespace owl {
 
OWL_DIAGINFO;
 
//
/// Empty constructor.
//
TUIPart::TUIPart()
{
}
 
//
/// Draw the part onto a DC.
/// The type and state control how the part should be painted.
//
bool
TUIPart::Paint(TDC& dc, TRect& rect, TType type, TState state)
{
  return DrawFrameControl(dc, rect, type, state);
}
 
//
/// Wrapper for the DrawFrameControl API.
//
#if !defined(BI_COMP_GNUC)
#pragma warn -par
#endif
bool
TUIPart::DrawFrameControl(TDC& dc, TRect& rect, TType type, TState state)
{
  static bool hasDrawFrameControl = true;
 
  // Try once to see if the API call is available. If not, do ourselves.
  //
  if (hasDrawFrameControl) {
    if (::DrawFrameControl(dc, &rect, type, state))
      return true;
    if (::GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
      hasDrawFrameControl = false;
    else
      return false;
  }
 
  // !BB Emulate call
  //
  //
  return false;
}
#if !defined(BI_COMP_GNUC)
#pragma warn .par
#endif
 
} // OWL namespace
/* ========================================================================== */