src/msw/ownerdrw.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        msw/ownerdrw.cpp
// Purpose:     implementation of wxOwnerDrawn class
// Author:      Vadim Zeitlin
// Modified by:
// Created:     13.11.97
// RCS-ID:      $Id$
// Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence:     wxWindows licence
///////////////////////////////////////////////////////////////////////////////

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation
#endif

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/msw/private.h"

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
  #include "wx/window.h"
  #include "wx/msw/private.h"
  #include "wx/font.h"
  #include "wx/bitmap.h"
  #include "wx/dcmemory.h"
  #include "wx/menu.h"
  #include "wx/utils.h"
#endif

#include "wx/settings.h"
#include "wx/ownerdrw.h"
#include "wx/menuitem.h"
#include "wx/fontutil.h"
#include "wx/module.h"

#if wxUSE_OWNER_DRAWN

#ifndef SPI_GETKEYBOARDCUES
#define SPI_GETKEYBOARDCUES 0x100A
#endif

class wxMSWSystemMenuFontModule : public wxModule
{
public:

    virtual bool OnInit()
    {
        ms_systemMenuFont = new wxFont;

#if defined(__WXMSW__) && defined(__WIN32__) && defined(SM_CXMENUCHECK)
        NONCLIENTMETRICS nm;
        nm.cbSize = sizeof(NONCLIENTMETRICS);
        SystemParametersInfo(SPI_GETNONCLIENTMETRICS,0,&nm,0);

        ms_systemMenuButtonWidth = nm.iMenuHeight;
        ms_systemMenuHeight = nm.iMenuHeight;

        // create menu font
        wxNativeFontInfo info;
        memcpy(&info.lf, &nm.lfMenuFont, sizeof(LOGFONT));
        ms_systemMenuFont->Create(info);

        if (SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &ms_showCues, 0) == 0)
            ms_showCues = true;
#endif

        return true;
    }

    virtual void OnExit()
    {
        delete ms_systemMenuFont;
        ms_systemMenuFont = NULL;
    }

    static wxFont* ms_systemMenuFont;
    static int ms_systemMenuButtonWidth;   // windows clean install default
    static int ms_systemMenuHeight;        // windows clean install default
    static bool ms_showCues;
private:
    DECLARE_DYNAMIC_CLASS(wxMSWSystemMenuFontModule)
};

// these static variables are by the wxMSWSystemMenuFontModule object
// and reflect the system settings returned by the Win32 API's
// SystemParametersInfo() call.

wxFont* wxMSWSystemMenuFontModule::ms_systemMenuFont = NULL;
int wxMSWSystemMenuFontModule::ms_systemMenuButtonWidth = 18;   // windows clean install default
int wxMSWSystemMenuFontModule::ms_systemMenuHeight = 18;        // windows clean install default
bool wxMSWSystemMenuFontModule::ms_showCues = true;

IMPLEMENT_DYNAMIC_CLASS(wxMSWSystemMenuFontModule, wxModule)

// ============================================================================
// implementation of wxOwnerDrawn class
// ============================================================================

// ctor
// ----
wxOwnerDrawn::wxOwnerDrawn(const wxString& str,
                           bool bCheckable, bool bMenuItem)
            : m_strName(str)
{
    // get the default menu height and font from the system
    NONCLIENTMETRICS nm;
    nm.cbSize = sizeof (NONCLIENTMETRICS);
    SystemParametersInfo (SPI_GETNONCLIENTMETRICS,0,&nm,0);
    m_nMinHeight = nm.iMenuHeight;

    // nm.iMenuWidth is the system default for the width of
    // menu icons and checkmarks
    if (ms_nDefaultMarginWidth == 0)
    {
       ms_nDefaultMarginWidth = ::GetSystemMetrics(SM_CXMENUCHECK) + wxSystemSettings::GetMetric(wxSYS_EDGE_X);
       ms_nLastMarginWidth = ms_nDefaultMarginWidth;
    }

    if (wxMSWSystemMenuFontModule::ms_systemMenuFont->Ok() && bMenuItem)
    {
        m_font = *wxMSWSystemMenuFontModule::ms_systemMenuFont;
    }
    else
    {
        m_font = *wxNORMAL_FONT;
    }

    m_bCheckable   = bCheckable;
    m_bOwnerDrawn  = false;
    m_nHeight      = 0;
    m_nMarginWidth = ms_nLastMarginWidth;
    m_nMinHeight   = wxMSWSystemMenuFontModule::ms_systemMenuHeight;

    m_bmpDisabled = wxNullBitmap;
}


// these items will be set during the first invocation of the c'tor,
// because the values will be determined by checking the system settings,
// which is a chunk of code
size_t wxOwnerDrawn::ms_nDefaultMarginWidth = 0;
size_t wxOwnerDrawn::ms_nLastMarginWidth = 0;


// drawing
// -------

// get size of the item
// The item size includes the menu string, the accel string,
// the bitmap and size for a submenu expansion arrow...
bool wxOwnerDrawn::OnMeasureItem(size_t *pwidth, size_t *pheight)
{
  wxMemoryDC dc;

  wxString str = wxStripMenuCodes(m_strName);

  // if we have a valid accel string, then pad out
  // the menu string so the menu and accel string are not
  // placed ontop of eachother.
  if ( !m_strAccel.empty() )
   {
       str.Pad(str.Length()%8);
       str += m_strAccel;
   }

  if (m_font.Ok())
      dc.SetFont(GetFont());

  dc.GetTextExtent(str, (long *)pwidth, (long *)pheight);

  // increase size to accommodate bigger bitmaps if necessary
  if (m_bmpChecked.Ok())
  {
      // Is BMP height larger then text height?
      size_t adjustedHeight = m_bmpChecked.GetHeight() +
                                2*wxSystemSettings::GetMetric(wxSYS_EDGE_Y);
      if (*pheight < adjustedHeight)
          *pheight = adjustedHeight;

      // Does BMP encroach on default check menu position?
      size_t adjustedWidth = m_bmpChecked.GetWidth();

      // Do we need to widen margin to fit BMP?
      if ((size_t)GetMarginWidth() < adjustedWidth)
          SetMarginWidth(adjustedWidth);
  }

  // add space at the end of the menu for the submenu expansion arrow
  // this will also allow offsetting the accel string from the right edge
  *pwidth += GetMarginWidth() + 16;

  // add a 4-pixel separator, otherwise menus look cluttered
  *pwidth += 4;

  // make sure that this item is at least as
  // tall as the user's system settings specify
  if (*pheight < m_nMinHeight)
    *pheight = m_nMinHeight;

  // remember height for use in OnDrawItem
  m_nHeight = *pheight;

  return true;
}

// draw the item
bool wxOwnerDrawn::OnDrawItem(wxDC& dc,
                              const wxRect& rc,
                              wxODAction act,
                              wxODStatus st)
{
  // we do nothing on focus change
  if ( act == wxODFocusChanged )
    return true;


  // this flag determines whether or not an edge will
  // be drawn around the bitmap. In most "windows classic"
  // applications, a 1-pixel highlight edge is drawn around
  // the bitmap of an item when it is selected.  However,
  // with the new "luna" theme, no edge is drawn around
  // the bitmap because the background is white (this applies
  // only to "non-XP style" menus w/ bitmaps --
  // see IE 6 menus for an example)

  bool draw_bitmap_edge = true;

  // set the colors
  // --------------
  DWORD colBack, colText;
  if ( st & wxODSelected ) {
    colBack = GetSysColor(COLOR_HIGHLIGHT);
    if (!(st & wxODDisabled))
    {
        colText = GetSysColor(COLOR_HIGHLIGHTTEXT);
    }
     else
    {
        colText = GetSysColor(COLOR_GRAYTEXT);
    }
  }
  else {
    // fall back to default colors if none explicitly specified
    colBack = m_colBack.Ok() ? wxColourToPalRGB(m_colBack)
                             : GetSysColor(COLOR_MENU);
    colText = m_colText.Ok() ? wxColourToPalRGB(m_colText)
                             : GetSysColor(COLOR_MENUTEXT);
  }


  // don't draw an edge around the bitmap, if background is white ...
  DWORD menu_bg_color = GetSysColor(COLOR_MENU);
  if (    ( GetRValue( menu_bg_color ) >= 0xf0 &&
            GetGValue( menu_bg_color ) >= 0xf0 &&
            GetBValue( menu_bg_color ) >= 0xf0 )
    )
  {
      draw_bitmap_edge = false;
  }


  HDC hdc = GetHdcOf(dc);
  COLORREF colOldText = ::SetTextColor(hdc, colText),
           colOldBack = ::SetBkColor(hdc, colBack);

  // *2, as in wxSYS_EDGE_Y
  int margin = GetMarginWidth() + 2 * wxSystemSettings::GetMetric(wxSYS_EDGE_X);

  // select the font and draw the text
  // ---------------------------------


  // determine where to draw and leave space for a check-mark.
  // + 1 pixel to separate the edge from the highlight rectangle
  int xText = rc.x + margin + 1;


  // using native API because it reckognizes '&'
  int nPrevMode = SetBkMode(hdc, TRANSPARENT);
  HBRUSH hbr = CreateSolidBrush(colBack),
         hPrevBrush = (HBRUSH)SelectObject(hdc, hbr);

  RECT rectFill = { rc.GetLeft(), rc.GetTop(),
                      rc.GetRight() + 1, rc.GetBottom() + 1 };

  if ( (st & wxODSelected) && m_bmpChecked.Ok() && draw_bitmap_edge ) {
      // only draw the highlight under the text, not under
      // the bitmap or checkmark
      rectFill.left = xText;
  }

  FillRect(hdc, &rectFill, hbr);

  // use default font if no font set
  HFONT hfont;
  if ( m_font.Ok() ) {
    m_font.RealizeResource();
    hfont = (HFONT)m_font.GetResourceHandle();
  }
  else {
    hfont = (HFONT)::GetStockObject(SYSTEM_FONT);
  }

  HFONT hPrevFont = (HFONT) ::SelectObject(hdc, hfont);

  wxString strMenuText = m_strName.BeforeFirst('\t');

  xText += 3; // separate text from the highlight rectangle

  SIZE sizeRect;
  GetTextExtentPoint32(hdc,strMenuText.c_str(), strMenuText.Length(),&sizeRect);
  ::DrawState(hdc, NULL, NULL,
              (LPARAM)strMenuText.c_str(), strMenuText.length(),
              xText, rc.y + (int) ((rc.GetHeight()-sizeRect.cy)/2.0), // centre text vertically
              rc.GetWidth()-margin, sizeRect.cy,
              DST_PREFIXTEXT |
              (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0) |
              (((st & wxODHidePrefix) && !wxMSWSystemMenuFontModule::ms_showCues) ? 512 : 0)); // 512 == DSS_HIDEPREFIX

  // ::SetTextAlign(hdc, TA_RIGHT) doesn't work with DSS_DISABLED or DSS_MONO
  // as last parameter in DrawState() (at least with Windows98). So we have
  // to take care of right alignment ourselves.
  if ( !m_strAccel.empty() )
  {
      int accel_width, accel_height;
      dc.GetTextExtent(m_strAccel, &accel_width, &accel_height);
      // right align accel string with right edge of menu ( offset by the
      // margin width )
      ::DrawState(hdc, NULL, NULL,
              (LPARAM)m_strAccel.c_str(), m_strAccel.length(),
              rc.GetWidth()-16-accel_width, rc.y+(int) ((rc.GetHeight()-sizeRect.cy)/2.0),
              0, 0,
              DST_TEXT |
              (((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
  }

  (void)SelectObject(hdc, hPrevBrush);
  (void)SelectObject(hdc, hPrevFont);
  (void)SetBkMode(hdc, nPrevMode);

  DeleteObject(hbr);

  // draw the bitmap
  // ---------------
  if ( IsCheckable() && !m_bmpChecked.Ok() ) {
    if ( st & wxODChecked ) {
      // what goes on: DrawFrameControl creates a b/w mask,
      // then we copy it to screen to have right colors

        // first create a monochrome bitmap in a memory DC
      HDC hdcMem = CreateCompatibleDC(hdc);
      HBITMAP hbmpCheck = CreateBitmap(margin, m_nHeight, 1, 1, 0);
      SelectObject(hdcMem, hbmpCheck);

        // then draw a check mark into it
      RECT rect = { 0, 0, margin, m_nHeight };
      if ( m_nHeight > 0 )
      {
        ::DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK);
      }

        // finally copy it to screen DC and clean up
      BitBlt(hdc, rc.x, rc.y, margin, m_nHeight,
             hdcMem, 0, 0, SRCCOPY);

      DeleteDC(hdcMem);
      DeleteObject(hbmpCheck);
    }
  }
  else {
    wxBitmap bmp;

    if ( st & wxODDisabled )
    {
        bmp = GetDisabledBitmap();
    }

    if ( !bmp.Ok() )
    {
        // for not checkable bitmaps we should always use unchecked one because
        // their checked bitmap is not set
        bmp = GetBitmap(!IsCheckable() || (st & wxODChecked));
    }

    if ( bmp.Ok() ) {
      wxMemoryDC dcMem(&dc);
      dcMem.SelectObject(bmp);

      // center bitmap
      int nBmpWidth = bmp.GetWidth(),
          nBmpHeight = bmp.GetHeight();

      // there should be enough place!
      wxASSERT((nBmpWidth <= rc.GetWidth()) && (nBmpHeight <= rc.GetHeight()));

      int heightDiff = m_nHeight - nBmpHeight;
      dc.Blit(rc.x + (margin - nBmpWidth) / 2,
              rc.y + heightDiff / 2,
              nBmpWidth, nBmpHeight,
              &dcMem, 0, 0, wxCOPY, true /* use mask */);

      if ( ( st & wxODSelected ) && !( st & wxODDisabled ) && draw_bitmap_edge ) {
          RECT rectBmp = { rc.GetLeft(), rc.GetTop(),
                           rc.GetLeft() + margin,
                           rc.GetTop() + m_nHeight };
          SetBkColor(hdc, colBack);

          DrawEdge(hdc, &rectBmp, BDR_RAISEDINNER, BF_RECT);
      }
    }
  }

  ::SetTextColor(hdc, colOldText);
  ::SetBkColor(hdc, colOldBack);

  return true;
}


#endif // wxUSE_OWNER_DRAWN
Commit	Line	Data
	1	///////////////////////////////////////////////////////////////////////////////
	2	// Name: msw/ownerdrw.cpp
	3	// Purpose: implementation of wxOwnerDrawn class
	4	// Author: Vadim Zeitlin
	5	// Modified by:
	6	// Created: 13.11.97
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
	9	// Licence: wxWindows licence
	10	///////////////////////////////////////////////////////////////////////////////
	11
	12	#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
	13	#pragma implementation
	14	#endif
	15
	16	// For compilers that support precompilation, includes "wx.h".
	17	#include "wx/wxprec.h"
	18	#include "wx/msw/private.h"
	19
	20	#ifdef __BORLANDC__
	21	#pragma hdrstop
	22	#endif
	23
	24	#ifndef WX_PRECOMP
	25	#include "wx/window.h"
	26	#include "wx/msw/private.h"
	27	#include "wx/font.h"
	28	#include "wx/bitmap.h"
	29	#include "wx/dcmemory.h"
	30	#include "wx/menu.h"
	31	#include "wx/utils.h"
	32	#endif
	33
	34	#include "wx/settings.h"
	35	#include "wx/ownerdrw.h"
	36	#include "wx/menuitem.h"
	37	#include "wx/fontutil.h"
	38	#include "wx/module.h"
	39
	40	#if wxUSE_OWNER_DRAWN
	41
	42	#ifndef SPI_GETKEYBOARDCUES
	43	#define SPI_GETKEYBOARDCUES 0x100A
	44	#endif
	45
	46	class wxMSWSystemMenuFontModule : public wxModule
	47	{
	48	public:
	49
	50	virtual bool OnInit()
	51	{
	52	ms_systemMenuFont = new wxFont;
	53
	54	#if defined(__WXMSW__) && defined(__WIN32__) && defined(SM_CXMENUCHECK)
	55	NONCLIENTMETRICS nm;
	56	nm.cbSize = sizeof(NONCLIENTMETRICS);
	57	SystemParametersInfo(SPI_GETNONCLIENTMETRICS,0,&nm,0);
	58
	59	ms_systemMenuButtonWidth = nm.iMenuHeight;
	60	ms_systemMenuHeight = nm.iMenuHeight;
	61
	62	// create menu font
	63	wxNativeFontInfo info;
	64	memcpy(&info.lf, &nm.lfMenuFont, sizeof(LOGFONT));
	65	ms_systemMenuFont->Create(info);
	66
	67	if (SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &ms_showCues, 0) == 0)
	68	ms_showCues = true;
	69	#endif
	70
	71	return true;
	72	}
	73
	74	virtual void OnExit()
	75	{
	76	delete ms_systemMenuFont;
	77	ms_systemMenuFont = NULL;
	78	}
	79
	80	static wxFont* ms_systemMenuFont;
	81	static int ms_systemMenuButtonWidth; // windows clean install default
	82	static int ms_systemMenuHeight; // windows clean install default
	83	static bool ms_showCues;
	84	private:
	85	DECLARE_DYNAMIC_CLASS(wxMSWSystemMenuFontModule)
	86	};
	87
	88	// these static variables are by the wxMSWSystemMenuFontModule object
	89	// and reflect the system settings returned by the Win32 API's
	90	// SystemParametersInfo() call.
	91
	92	wxFont* wxMSWSystemMenuFontModule::ms_systemMenuFont = NULL;
	93	int wxMSWSystemMenuFontModule::ms_systemMenuButtonWidth = 18; // windows clean install default
	94	int wxMSWSystemMenuFontModule::ms_systemMenuHeight = 18; // windows clean install default
	95	bool wxMSWSystemMenuFontModule::ms_showCues = true;
	96
	97	IMPLEMENT_DYNAMIC_CLASS(wxMSWSystemMenuFontModule, wxModule)
	98
	99	// ============================================================================
	100	// implementation of wxOwnerDrawn class
	101	// ============================================================================
	102
	103	// ctor
	104	// ----
	105	wxOwnerDrawn::wxOwnerDrawn(const wxString& str,
	106	bool bCheckable, bool bMenuItem)
	107	: m_strName(str)
	108	{
	109	// get the default menu height and font from the system
	110	NONCLIENTMETRICS nm;
	111	nm.cbSize = sizeof (NONCLIENTMETRICS);
	112	SystemParametersInfo (SPI_GETNONCLIENTMETRICS,0,&nm,0);
	113	m_nMinHeight = nm.iMenuHeight;
	114
	115	// nm.iMenuWidth is the system default for the width of
	116	// menu icons and checkmarks
	117	if (ms_nDefaultMarginWidth == 0)
	118	{
	119	ms_nDefaultMarginWidth = ::GetSystemMetrics(SM_CXMENUCHECK) + wxSystemSettings::GetMetric(wxSYS_EDGE_X);
	120	ms_nLastMarginWidth = ms_nDefaultMarginWidth;
	121	}
	122
	123	if (wxMSWSystemMenuFontModule::ms_systemMenuFont->Ok() && bMenuItem)
	124	{
	125	m_font = *wxMSWSystemMenuFontModule::ms_systemMenuFont;
	126	}
	127	else
	128	{
	129	m_font = *wxNORMAL_FONT;
	130	}
	131
	132	m_bCheckable = bCheckable;
	133	m_bOwnerDrawn = false;
	134	m_nHeight = 0;
	135	m_nMarginWidth = ms_nLastMarginWidth;
	136	m_nMinHeight = wxMSWSystemMenuFontModule::ms_systemMenuHeight;
	137
	138	m_bmpDisabled = wxNullBitmap;
	139	}
	140
	141
	142	// these items will be set during the first invocation of the c'tor,
	143	// because the values will be determined by checking the system settings,
	144	// which is a chunk of code
	145	size_t wxOwnerDrawn::ms_nDefaultMarginWidth = 0;
	146	size_t wxOwnerDrawn::ms_nLastMarginWidth = 0;
	147
	148
	149	// drawing
	150	// -------
	151
	152	// get size of the item
	153	// The item size includes the menu string, the accel string,
	154	// the bitmap and size for a submenu expansion arrow...
	155	bool wxOwnerDrawn::OnMeasureItem(size_t pwidth, size_t pheight)
	156	{
	157	wxMemoryDC dc;
	158
	159	wxString str = wxStripMenuCodes(m_strName);
	160
	161	// if we have a valid accel string, then pad out
	162	// the menu string so the menu and accel string are not
	163	// placed ontop of eachother.
	164	if ( !m_strAccel.empty() )
	165	{
	166	str.Pad(str.Length()%8);
	167	str += m_strAccel;
	168	}
	169
	170	if (m_font.Ok())
	171	dc.SetFont(GetFont());
	172
	173	dc.GetTextExtent(str, (long )pwidth, (long )pheight);
	174
	175	// increase size to accommodate bigger bitmaps if necessary
	176	if (m_bmpChecked.Ok())
	177	{
	178	// Is BMP height larger then text height?
	179	size_t adjustedHeight = m_bmpChecked.GetHeight() +
	180	2*wxSystemSettings::GetMetric(wxSYS_EDGE_Y);
	181	if (*pheight < adjustedHeight)
	182	*pheight = adjustedHeight;
	183
	184	// Does BMP encroach on default check menu position?
	185	size_t adjustedWidth = m_bmpChecked.GetWidth();
	186
	187	// Do we need to widen margin to fit BMP?
	188	if ((size_t)GetMarginWidth() < adjustedWidth)
	189	SetMarginWidth(adjustedWidth);
	190	}
	191
	192	// add space at the end of the menu for the submenu expansion arrow
	193	// this will also allow offsetting the accel string from the right edge
	194	*pwidth += GetMarginWidth() + 16;
	195
	196	// add a 4-pixel separator, otherwise menus look cluttered
	197	*pwidth += 4;
	198
	199	// make sure that this item is at least as
	200	// tall as the user's system settings specify
	201	if (*pheight < m_nMinHeight)
	202	*pheight = m_nMinHeight;
	203
	204	// remember height for use in OnDrawItem
	205	m_nHeight = *pheight;
	206
	207	return true;
	208	}
	209
	210	// draw the item
	211	bool wxOwnerDrawn::OnDrawItem(wxDC& dc,
	212	const wxRect& rc,
	213	wxODAction act,
	214	wxODStatus st)
	215	{
	216	// we do nothing on focus change
	217	if ( act == wxODFocusChanged )
	218	return true;
	219
	220
	221	// this flag determines whether or not an edge will
	222	// be drawn around the bitmap. In most "windows classic"
	223	// applications, a 1-pixel highlight edge is drawn around
	224	// the bitmap of an item when it is selected. However,
	225	// with the new "luna" theme, no edge is drawn around
	226	// the bitmap because the background is white (this applies
	227	// only to "non-XP style" menus w/ bitmaps --
	228	// see IE 6 menus for an example)
	229
	230	bool draw_bitmap_edge = true;
	231
	232	// set the colors
	233	// --------------
	234	DWORD colBack, colText;
	235	if ( st & wxODSelected ) {
	236	colBack = GetSysColor(COLOR_HIGHLIGHT);
	237	if (!(st & wxODDisabled))
	238	{
	239	colText = GetSysColor(COLOR_HIGHLIGHTTEXT);
	240	}
	241	else
	242	{
	243	colText = GetSysColor(COLOR_GRAYTEXT);
	244	}
	245	}
	246	else {
	247	// fall back to default colors if none explicitly specified
	248	colBack = m_colBack.Ok() ? wxColourToPalRGB(m_colBack)
	249	: GetSysColor(COLOR_MENU);
	250	colText = m_colText.Ok() ? wxColourToPalRGB(m_colText)
	251	: GetSysColor(COLOR_MENUTEXT);
	252	}
	253
	254
	255	// don't draw an edge around the bitmap, if background is white ...
	256	DWORD menu_bg_color = GetSysColor(COLOR_MENU);
	257	if ( ( GetRValue( menu_bg_color ) >= 0xf0 &&
	258	GetGValue( menu_bg_color ) >= 0xf0 &&
	259	GetBValue( menu_bg_color ) >= 0xf0 )
	260	)
	261	{
	262	draw_bitmap_edge = false;
	263	}
	264
	265
	266	HDC hdc = GetHdcOf(dc);
	267	COLORREF colOldText = ::SetTextColor(hdc, colText),
	268	colOldBack = ::SetBkColor(hdc, colBack);
	269
	270	// *2, as in wxSYS_EDGE_Y
	271	int margin = GetMarginWidth() + 2 * wxSystemSettings::GetMetric(wxSYS_EDGE_X);
	272
	273	// select the font and draw the text
	274	// ---------------------------------
	275
	276
	277	// determine where to draw and leave space for a check-mark.
	278	// + 1 pixel to separate the edge from the highlight rectangle
	279	int xText = rc.x + margin + 1;
	280
	281
	282	// using native API because it reckognizes '&'
	283	int nPrevMode = SetBkMode(hdc, TRANSPARENT);
	284	HBRUSH hbr = CreateSolidBrush(colBack),
	285	hPrevBrush = (HBRUSH)SelectObject(hdc, hbr);
	286
	287	RECT rectFill = { rc.GetLeft(), rc.GetTop(),
	288	rc.GetRight() + 1, rc.GetBottom() + 1 };
	289
	290	if ( (st & wxODSelected) && m_bmpChecked.Ok() && draw_bitmap_edge ) {
	291	// only draw the highlight under the text, not under
	292	// the bitmap or checkmark
	293	rectFill.left = xText;
	294	}
	295
	296	FillRect(hdc, &rectFill, hbr);
	297
	298	// use default font if no font set
	299	HFONT hfont;
	300	if ( m_font.Ok() ) {
	301	m_font.RealizeResource();
	302	hfont = (HFONT)m_font.GetResourceHandle();
	303	}
	304	else {
	305	hfont = (HFONT)::GetStockObject(SYSTEM_FONT);
	306	}
	307
	308	HFONT hPrevFont = (HFONT) ::SelectObject(hdc, hfont);
	309
	310	wxString strMenuText = m_strName.BeforeFirst('\t');
	311
	312	xText += 3; // separate text from the highlight rectangle
	313
	314	SIZE sizeRect;
	315	GetTextExtentPoint32(hdc,strMenuText.c_str(), strMenuText.Length(),&sizeRect);
	316	::DrawState(hdc, NULL, NULL,
	317	(LPARAM)strMenuText.c_str(), strMenuText.length(),
	318	xText, rc.y + (int) ((rc.GetHeight()-sizeRect.cy)/2.0), // centre text vertically
	319	rc.GetWidth()-margin, sizeRect.cy,
	320	DST_PREFIXTEXT \|
	321	(((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0) \|
	322	(((st & wxODHidePrefix) && !wxMSWSystemMenuFontModule::ms_showCues) ? 512 : 0)); // 512 == DSS_HIDEPREFIX
	323
	324	// ::SetTextAlign(hdc, TA_RIGHT) doesn't work with DSS_DISABLED or DSS_MONO
	325	// as last parameter in DrawState() (at least with Windows98). So we have
	326	// to take care of right alignment ourselves.
	327	if ( !m_strAccel.empty() )
	328	{
	329	int accel_width, accel_height;
	330	dc.GetTextExtent(m_strAccel, &accel_width, &accel_height);
	331	// right align accel string with right edge of menu ( offset by the
	332	// margin width )
	333	::DrawState(hdc, NULL, NULL,
	334	(LPARAM)m_strAccel.c_str(), m_strAccel.length(),
	335	rc.GetWidth()-16-accel_width, rc.y+(int) ((rc.GetHeight()-sizeRect.cy)/2.0),
	336	0, 0,
	337	DST_TEXT \|
	338	(((st & wxODDisabled) && !(st & wxODSelected)) ? DSS_DISABLED : 0));
	339	}
	340
	341	(void)SelectObject(hdc, hPrevBrush);
	342	(void)SelectObject(hdc, hPrevFont);
	343	(void)SetBkMode(hdc, nPrevMode);
	344
	345	DeleteObject(hbr);
	346
	347	// draw the bitmap
	348	// ---------------
	349	if ( IsCheckable() && !m_bmpChecked.Ok() ) {
	350	if ( st & wxODChecked ) {
	351	// what goes on: DrawFrameControl creates a b/w mask,
	352	// then we copy it to screen to have right colors
	353
	354	// first create a monochrome bitmap in a memory DC
	355	HDC hdcMem = CreateCompatibleDC(hdc);
	356	HBITMAP hbmpCheck = CreateBitmap(margin, m_nHeight, 1, 1, 0);
	357	SelectObject(hdcMem, hbmpCheck);
	358
	359	// then draw a check mark into it
	360	RECT rect = { 0, 0, margin, m_nHeight };
	361	if ( m_nHeight > 0 )
	362	{
	363	::DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK);
	364	}
	365
	366	// finally copy it to screen DC and clean up
	367	BitBlt(hdc, rc.x, rc.y, margin, m_nHeight,
	368	hdcMem, 0, 0, SRCCOPY);
	369
	370	DeleteDC(hdcMem);
	371	DeleteObject(hbmpCheck);
	372	}
	373	}
	374	else {
	375	wxBitmap bmp;
	376
	377	if ( st & wxODDisabled )
	378	{
	379	bmp = GetDisabledBitmap();
	380	}
	381
	382	if ( !bmp.Ok() )
	383	{
	384	// for not checkable bitmaps we should always use unchecked one because
	385	// their checked bitmap is not set
	386	bmp = GetBitmap(!IsCheckable() \|\| (st & wxODChecked));
	387	}
	388
	389	if ( bmp.Ok() ) {
	390	wxMemoryDC dcMem(&dc);
	391	dcMem.SelectObject(bmp);
	392
	393	// center bitmap
	394	int nBmpWidth = bmp.GetWidth(),
	395	nBmpHeight = bmp.GetHeight();
	396
	397	// there should be enough place!
	398	wxASSERT((nBmpWidth <= rc.GetWidth()) && (nBmpHeight <= rc.GetHeight()));
	399
	400	int heightDiff = m_nHeight - nBmpHeight;
	401	dc.Blit(rc.x + (margin - nBmpWidth) / 2,
	402	rc.y + heightDiff / 2,
	403	nBmpWidth, nBmpHeight,
	404	&dcMem, 0, 0, wxCOPY, true /* use mask */);
	405
	406	if ( ( st & wxODSelected ) && !( st & wxODDisabled ) && draw_bitmap_edge ) {
	407	RECT rectBmp = { rc.GetLeft(), rc.GetTop(),
	408	rc.GetLeft() + margin,
	409	rc.GetTop() + m_nHeight };
	410	SetBkColor(hdc, colBack);
	411
	412	DrawEdge(hdc, &rectBmp, BDR_RAISEDINNER, BF_RECT);
	413	}
	414	}
	415	}
	416
	417	::SetTextColor(hdc, colOldText);
	418	::SetBkColor(hdc, colOldBack);
	419
	420	return true;
	421	}
	422
	423
	424	#endif // wxUSE_OWNER_DRAWN
	425