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path: root/support/dktools/DkWxBufferedControl.cpp
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/*
Copyright (C) 2013-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: DkWxBufferedControl.cpt
*/

/**	@file DkWxBufferedControl.cpp The DkWxBufferedControl module.
*/


#line 196 "DkWxBufferedControl.cpt"


#include "dk3conf.h"
#include "DkWxBufferedControl.h"




#line 203 "DkWxBufferedControl.cpt"



wxChar const DkWxBufferedControl::DkWxBufferedControlName[] = {
  wxT("DkWxBufferedControl")
};


#if	wxCHECK_VERSION(3,0,0)
wxIMPLEMENT_DYNAMIC_CLASS(DkWxBufferedControl, wxControl);
#else
IMPLEMENT_DYNAMIC_CLASS(DkWxBufferedControl, wxControl)
#endif



#if	wxCHECK_VERSION(3,0,0)
wxBEGIN_EVENT_TABLE(DkWxBufferedControl,wxControl)
#else
BEGIN_EVENT_TABLE(DkWxBufferedControl,wxControl)
#endif
	EVT_ERASE_BACKGROUND(DkWxBufferedControl::OnErase)
	EVT_PAINT(DkWxBufferedControl::OnPaint)
#if	wxCHECK_VERSION(3,0,0)
wxEND_EVENT_TABLE()
#else
END_EVENT_TABLE()
#endif



DkWxBufferedControl::DkWxBufferedControl()
{
  

#line 237 "DkWxBufferedControl.cpt"
  pBitmap = NULL;
  iWidth = -1;
  iHeight = -1;
  bMustDraw = true;
  SetBackgroundStyle(wxBG_STYLE_CUSTOM);
  

#line 243 "DkWxBufferedControl.cpt"
}



bool
DkWxBufferedControl::Create(
  wxWindow 		*pParent,
  wxWindowID	 	 wid,
  const wxPoint &	 pos,
  const wxSize  &	 size,
  long		 	 style,
  const wxValidator &	 validator,
  wxChar const		*name
)
{
  bool back;
  back = wxControl::Create(
    pParent, wid, pos, size, style, validator, wxString(name)
  );
  pBitmap = NULL;
  iWidth = -1;
  iHeight = -1;
  bMustDraw = true;
  SetBackgroundStyle(wxBG_STYLE_CUSTOM);
  return back;
}



DkWxBufferedControl::DkWxBufferedControl(
  wxWindow 		*pParent,
  wxWindowID	 	 wid,
  const wxPoint &	 pos,
  const wxSize  &	 size,
  long		 	 style,
  const wxValidator &	 validator,
  wxChar const		*name
)
: wxControl(
  pParent,
  wid,
  pos,
  size,
  style,
  validator,
  wxString(name)
)
{
  

#line 292 "DkWxBufferedControl.cpt"
  pBitmap = NULL;
  iWidth = -1;
  iHeight = -1;
  bMustDraw = true;
  SetBackgroundStyle(wxBG_STYLE_CUSTOM);
  

#line 298 "DkWxBufferedControl.cpt"
}



DkWxBufferedControl::~DkWxBufferedControl()
{
  

#line 305 "DkWxBufferedControl.cpt"
  {
    wxMutexLocker	lock(mxProtectData);
    if(NULL != pBitmap) {		

#line 308 "DkWxBufferedControl.cpt"
      delete(pBitmap);
      pBitmap = NULL;
    }
    iWidth = -1;
    iHeight = -1;
    bMustDraw = false;
  }
  

#line 316 "DkWxBufferedControl.cpt"
}



void
DkWxBufferedControl::OnErase(wxEraseEvent & WXUNUSED(event))
{
  

#line 324 "DkWxBufferedControl.cpt"
  /* Do nothing here. */
  

#line 326 "DkWxBufferedControl.cpt"
}



void
DkWxBufferedControl::OnPaint(wxPaintEvent & event)
{
  bool		mustdraw = false;
  bool		done = false;
  int		w = 0;
  int		h = 0;
  

#line 338 "DkWxBufferedControl.cpt"
  wxPaintDC	paintDC(this);
  {
    wxMutexLocker lock(mxProtectData);
#if VERSION_BEFORE_20150821
    w = iWidth;
    h = iHeight;
#endif
    wxSize sz = GetClientSize();
    if(NULL != pBitmap) {
      if((iWidth != sz.x) || (iHeight != sz.y)) {
        delete(pBitmap);	

#line 349 "DkWxBufferedControl.cpt"
	pBitmap = NULL;
	mustdraw = true;	

#line 351 "DkWxBufferedControl.cpt"
      }
    }
    w = iWidth = sz.x; h = iHeight = sz.y;
    if(NULL == pBitmap) {		

#line 355 "DkWxBufferedControl.cpt"
      pBitmap = new wxBitmap(iWidth, iHeight);
      mustdraw = true;		

#line 357 "DkWxBufferedControl.cpt"
    }
    if(NULL != pBitmap) {	

#line 359 "DkWxBufferedControl.cpt"
      if(false == mustdraw) {
        if(bMustDraw) {		

#line 361 "DkWxBufferedControl.cpt"
	  mustdraw = true;
	}
      }
      if(mustdraw) {		

#line 365 "DkWxBufferedControl.cpt"
	wxMemoryDC	memDC;
	memDC.SelectObject(*pBitmap);
	InternalPaint(memDC, event, true, w, h);
	memDC.SelectObject(wxNullBitmap);
        bMustDraw = false;	

#line 370 "DkWxBufferedControl.cpt"
      } else {			

#line 371 "DkWxBufferedControl.cpt"
      }
      paintDC.DrawBitmap(*pBitmap, 0, 0, false);
      done = true;
    }
  }
  if(!(done)) {			

#line 377 "DkWxBufferedControl.cpt"
    InternalPaint(paintDC, event, false, w, h);
  } 

#line 379 "DkWxBufferedControl.cpt"
}



void
DkWxBufferedControl::PaintOperation(
  wxDC &		WXUNUSED(pdc),
  wxPaintEvent &	WXUNUSED(event),
  bool			WXUNUSED(buffered),
  int			WXUNUSED(clWidth),
  int			WXUNUSED(clHeight)
)
{
  /* The default implementation intentionally does nothing. */
}



void
DkWxBufferedControl::InternalPaint(
  wxDC &		pdc,
  wxPaintEvent &	event,
  bool			buffered,
  int			clWidth,
  int			clHeight
)
{
  wxBrush	const	br	=	pdc.GetBrush();
  wxBrush	const	bg	=	pdc.GetBackground();
  wxFont	const	fn	=	pdc.GetFont();
  wxPen		const	pn	=	pdc.GetPen();
  wxColour	const	tbg	=	pdc.GetTextBackground();
  wxColour	const	tfg	=	pdc.GetTextForeground();
  int			bgm	=	pdc.GetBackgroundMode();
  

#line 414 "DkWxBufferedControl.cpt"
  PaintOperation(pdc, event, buffered, clWidth, clHeight);

  pdc.SetBackgroundMode(bgm);
  pdc.SetTextForeground(tfg);
  pdc.SetTextBackground(tbg);
  pdc.SetPen(pn);
  pdc.SetFont(fn);
  pdc.SetBackground(bg);
  pdc.SetBrush(br);
  

#line 424 "DkWxBufferedControl.cpt"
}



void
DkWxBufferedControl::SetMustUpdate(bool flag)
{
  

#line 432 "DkWxBufferedControl.cpt"
  {
    wxMutexLocker	lock(mxProtectData);
    bMustDraw = flag;
  }
  

#line 437 "DkWxBufferedControl.cpt"
}



void
DkWxBufferedControl::releaseBuffer(void)
{
  

#line 445 "DkWxBufferedControl.cpt"
  {
    wxMutexLocker	lock(mxProtectData);
    if(pBitmap) {		

#line 448 "DkWxBufferedControl.cpt"
      delete(pBitmap);
      pBitmap = NULL;
    }
  } 

#line 452 "DkWxBufferedControl.cpt"
}