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path: root/support/dktools/Dk4WxControl.cpp
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/*
Copyright (C) 2015-2020, 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: Dk4WxControl.cpt
*/

/**	@file Dk4WxControl.cpp The Dk4WxControl module.
*/


#line 221 "Dk4WxControl.cpt"

#include "dk4conf.h"
#include "Dk4WxControl.h"





#line 228 "Dk4WxControl.cpt"



const wxChar Dk4WxControl::Dk4WxControlName[] = { wxT("Dk4WxControl") };


#if	wxCHECK_VERSION(3,0,0)
wxIMPLEMENT_DYNAMIC_CLASS(Dk4WxControl, wxControl);
#else
IMPLEMENT_DYNAMIC_CLASS(Dk4WxControl, wxControl)
#endif


#if	wxCHECK_VERSION(3,0,0)
wxBEGIN_EVENT_TABLE(Dk4WxControl,wxControl)
#else
BEGIN_EVENT_TABLE(Dk4WxControl,wxControl)
#endif
	EVT_ERASE_BACKGROUND(Dk4WxControl::OnErase)
	EVT_PAINT(Dk4WxControl::OnPaint)
#if	wxCHECK_VERSION(3,0,0)
wxEND_EVENT_TABLE()
#else
END_EVENT_TABLE()
#endif



Dk4WxControl::Dk4WxControl()
: wxControl()
{
  

#line 260 "Dk4WxControl.cpt"
  pBitmap	= NULL;
  iBmWidth	= -1;
  iBmHeight	= -1;
  SetBackgroundStyle(wxBG_STYLE_CUSTOM);
  

#line 265 "Dk4WxControl.cpt"
}



bool
Dk4WxControl::Create(
  wxWindow		*parent,
  wxWindowID		 wid,
  const wxPoint &	 pos,
  const wxSize &	 size,
  long			 style,
  const wxValidator &	 validator,
  const wxChar		*name
)
{
  bool	back;
  

#line 282 "Dk4WxControl.cpt"
  back = wxControl::Create(
    parent, wid, pos, size, style, validator, name
  );
  pBitmap	= NULL;
  iBmWidth	= -1;
  iBmHeight	= -1;
  SetBackgroundStyle(wxBG_STYLE_CUSTOM);
  

#line 290 "Dk4WxControl.cpt"
  return back;
}

    
    
Dk4WxControl::Dk4WxControl(
  wxWindow		*parent,
  wxWindowID		 wid,
  const wxPoint &	 pos,
  const wxSize &	 size,
  long			 style,
  const wxValidator &	 validator,
  const wxChar		*name
)
: wxControl( parent, wid, pos, size, style, validator, wxString(name))
{
  

#line 307 "Dk4WxControl.cpt"
  pBitmap	= NULL;
  iBmWidth	= -1;
  iBmHeight	= -1;
  SetBackgroundStyle(wxBG_STYLE_CUSTOM);
  

#line 312 "Dk4WxControl.cpt"
}



Dk4WxControl::~Dk4WxControl()
{
  

#line 319 "Dk4WxControl.cpt"
  {
    wxCriticalSectionLocker	lock(csProtect);
    if (NULL != pBitmap) { delete(pBitmap); }
    pBitmap	= NULL;
    iBmWidth	= -1;
    iBmHeight	= -1;
  }
  

#line 327 "Dk4WxControl.cpt"
}



void
Dk4WxControl::OnErase(wxEraseEvent & WXUNUSED(event))
{
  

#line 335 "Dk4WxControl.cpt"
  

#line 336 "Dk4WxControl.cpt"
}



void
Dk4WxControl::PaintOperation(
  wxDC &		pdc,
  wxPaintEvent &	WXUNUSED(event),
  bool			WXUNUSED(buffered),
  int			clWidth,
  int			clHeight
)
{
  pdc.SetBrush(*wxWHITE_BRUSH);
  pdc.DrawRectangle(0, 0, clWidth, clHeight);
}



void
Dk4WxControl::InternalPaint(
  wxDC &		pdc,
  wxPaintEvent &	event,
  bool			buffered,
  int			clWidth,
  int			clHeight
)
{
  /*	Save current DC settings.
  */
  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 374 "Dk4WxControl.cpt"
  /*	Do the real pain operation.
  */
  PaintOperation(pdc, event, buffered, clWidth, clHeight);
  /*	Restore DC settings from start.
  */
  pdc.SetBackgroundMode(bgm);
  pdc.SetTextForeground(tfg);
  pdc.SetTextBackground(tbg);
  pdc.SetPen(pn);
  pdc.SetFont(fn);
  pdc.SetBackground(bg);
  pdc.SetBrush(br);
  

#line 387 "Dk4WxControl.cpt"
}



void
Dk4WxControl::OnPaint(wxPaintEvent & event)
{
  wxPaintDC	paintDC(this);
  int		w		= 0;
  int		h		= 0;
  bool		mustDraw	= false;
  bool		done		= false;
  

#line 400 "Dk4WxControl.cpt"
  {
    wxCriticalSectionLocker	lock(csProtect);
    wxSize			sz = GetClientSize();
    mustDraw = bUpdate;
#if VERSION_BEFORE_20150821
    w = iBmWidth;
    h = iBmHeight;
#endif
    if (NULL != pBitmap) {
      if ((iBmWidth != sz.x) || (iBmHeight != sz.y)) {
        delete(pBitmap);
	pBitmap = NULL;
      }
    }
    w = iBmWidth = sz.x;
    h = iBmHeight = sz.y;
    if (NULL == pBitmap) {
      pBitmap = new wxBitmap(iBmWidth, iBmHeight);
      mustDraw = true;
    }
    if (NULL != pBitmap) {
      if (mustDraw) {
        wxMemoryDC	memDC;
	memDC.SelectObject(*pBitmap);
	InternalPaint(memDC, event, true, w, h);
	memDC.SelectObject(wxNullBitmap);
	bUpdate = false;
      }
      paintDC.DrawBitmap(*pBitmap, 0, 0, false);
      done = true;
    }
  }
  if (!(done)) {
    InternalPaint(paintDC, event, false, w, h);
  }
  

#line 436 "Dk4WxControl.cpt"
}



void
Dk4WxControl::SetUpdate(bool flag)
{
  

#line 444 "Dk4WxControl.cpt"
  if (flag) {
    wxCriticalSectionLocker	lock(csProtect);
    bUpdate = true;
  }
  

#line 449 "Dk4WxControl.cpt"
}



void
Dk4WxControl::ReleaseBuffer(void)
{
  {
     wxCriticalSectionLocker	lock(csProtect);
     if (NULL != pBitmap) {
       delete(pBitmap);
       pBitmap = NULL;
     }
  }
}