[wxWidgets.git] / src / msw / tbar95.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        tbar95.cpp
// Purpose:     wxToolBar95
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart and Markus Holzem
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "tbar95.h"
#endif

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

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#include "wx.h"
#endif

#if wxUSE_BUTTONBAR && wxUSE_TOOLBAR && defined(__WIN95__)

#ifndef __GNUWIN32__
#include "malloc.h"
#endif

#include <windows.h>

#ifndef __GNUWIN32__
#include <commctrl.h>
#endif

#ifdef __GNUWIN32__
#include "wx/msw/gnuwin32/extra.h"
#endif

#include "wx/msw/dib.h"
#include "wx/tbar95.h"
#include "wx/app.h"
#include "wx/msw/private.h"

// Styles
#ifndef TBSTYLE_FLAT
#define TBSTYLE_LIST            0x1000
#define TBSTYLE_FLAT            0x0800
#define TBSTYLE_TRANSPARENT     0x8000
#endif
 // use TBSTYLE_TRANSPARENT if you use TBSTYLE_FLAT

// Messages
#ifndef TB_GETSTYLE
#define TB_GETSTYLE             (WM_USER + 57)
#define TB_SETSTYLE             (WM_USER + 56)
#endif

/* Hint from a newsgroup for custom flatbar drawing:
Set the TBSTYLE_CUSTOMERASE style, then handle the
NM_CUSTOMDRAW message and do your custom drawing.
*/

#define DEFAULTBITMAPX   16
#define DEFAULTBITMAPY   15
#define DEFAULTBUTTONX   24
#define DEFAULTBUTTONY   24
#define DEFAULTBARHEIGHT 27

#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxToolBar95, wxToolBarBase)
#endif

BEGIN_EVENT_TABLE(wxToolBar95, wxToolBarBase)
    EVT_SIZE(wxToolBar95::OnSize)
    EVT_PAINT(wxToolBar95::OnPaint)
    EVT_MOUSE_EVENTS(wxToolBar95::OnMouseEvent)
    EVT_KILL_FOCUS(wxToolBar95::OnKillFocus)
    EVT_SYS_COLOUR_CHANGED(wxToolBar95::OnSysColourChanged)
END_EVENT_TABLE()

static void wxMapBitmap(HBITMAP hBitmap, int width, int height);

wxToolBar95::wxToolBar95()
{
  m_maxWidth = -1;
  m_maxHeight = -1;
  m_hBitmap = 0;
  m_defaultWidth = DEFAULTBITMAPX;
  m_defaultHeight = DEFAULTBITMAPY;
}

bool wxToolBar95::Create(wxWindow *parent,
                         wxWindowID id,
                         const wxPoint& pos,
                         const wxSize& size,
                         long style,
                         const wxString& name)
{
  m_backgroundColour = wxColour(GetRValue(GetSysColor(COLOR_BTNFACE)),
                                GetGValue(GetSysColor(COLOR_BTNFACE)),
                                GetBValue(GetSysColor(COLOR_BTNFACE)));
  m_foregroundColour = *wxBLACK ;

  wxASSERT_MSG( (style & wxTB_VERTICAL) == 0,
                "Sorry, wxToolBar95 under Windows 95 only "
                "supports horizontal orientation." );

  m_maxWidth = -1;
  m_maxHeight = -1;

  m_hBitmap = 0;

  m_defaultWidth = DEFAULTBITMAPX;
  m_defaultHeight = DEFAULTBITMAPY;
  SetName(name);

  m_windowStyle = style;

  SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
  SetParent(parent);

  int x = pos.x;
  int y = pos.y;
  int width = size.x;
  int height = size.y;

  if (width <= 0)
    width = 100;
  if (height <= 0)
    height = 30;
  if (x < 0)
    x = 0;
  if (y < 0)
    y = 0;

  m_windowId = (id < 0 ? NewControlId() : id);
  DWORD msflags = 0;
  if (style & wxBORDER)
    msflags |= WS_BORDER;
  msflags |= WS_CHILD | WS_VISIBLE | TBSTYLE_TOOLTIPS;

  if (style & wxTB_FLAT)
  {
    if (wxTheApp->GetComCtl32Version() > 400)
        msflags |= TBSTYLE_FLAT;
  }

  // Create the toolbar control.
  HWND hWndToolbar = CreateWindowEx
                     (
                      0L,                       // No extended styles.
                      TOOLBARCLASSNAME,         // Class name for the toolbar.
                      "",                       // No default text.
                      msflags,                  // Styles
                      x, y, width, height,      // Standard toolbar size and position.
                      (HWND) parent->GetHWND(), // Parent window of the toolbar.
                      (HMENU)m_windowId,        // Toolbar ID.
                      wxGetInstance(),          // Current instance.
                      NULL                      // No class data.
                     );

  wxCHECK_MSG( hWndToolbar, FALSE, "Toolbar creation failed" );

  // Toolbar-specific initialisation
  ::SendMessage(hWndToolbar, TB_BUTTONSTRUCTSIZE,
                (WPARAM)sizeof(TBBUTTON), (LPARAM)0);

  m_hWnd = (WXHWND) hWndToolbar;
  if (parent)
      parent->AddChild(this);

  SubclassWin((WXHWND)hWndToolbar);

  return TRUE;
}

wxToolBar95::~wxToolBar95()
{
  UnsubclassWin();

  if (m_hBitmap)
  {
    ::DeleteObject((HBITMAP) m_hBitmap);
    m_hBitmap = 0;
  }
}

bool wxToolBar95::CreateTools()
{
  if (m_tools.Number() == 0)
    return FALSE;

  HBITMAP oldToolBarBitmap = (HBITMAP) m_hBitmap;

  int totalBitmapWidth = (int)(m_defaultWidth * m_tools.Number());
  int totalBitmapHeight = (int)m_defaultHeight;

  // Create a bitmap for all the tool bitmaps
  HDC dc = ::GetDC(NULL);
  m_hBitmap = (WXHBITMAP) ::CreateCompatibleBitmap(dc, totalBitmapWidth, totalBitmapHeight);
  ::ReleaseDC(NULL, dc);

  // Now blit all the tools onto this bitmap
  HDC memoryDC = ::CreateCompatibleDC(NULL);
  HBITMAP oldBitmap = (HBITMAP) ::SelectObject(memoryDC, (HBITMAP) m_hBitmap);

  HDC memoryDC2 = ::CreateCompatibleDC(NULL);
  int x = 0;
  wxNode *node = m_tools.First();
  int noButtons = 0;
  while (node)
  {
    wxToolBarTool *tool = (wxToolBarTool *)node->Data();
    if ((tool->m_toolStyle != wxTOOL_STYLE_SEPARATOR) && tool->m_bitmap1.Ok() && tool->m_bitmap1.GetHBITMAP())
    {
//      wxPalette *palette = tool->m_bitmap1->GetPalette();

      HBITMAP oldBitmap2 = (HBITMAP) ::SelectObject(memoryDC2, (HBITMAP) tool->m_bitmap1.GetHBITMAP());
      /* int bltResult = */
      BitBlt(memoryDC, x, 0, (int) m_defaultWidth, (int) m_defaultHeight, memoryDC2,
                        0, 0, SRCCOPY);
      ::SelectObject(memoryDC2, oldBitmap2);
      x += (int)m_defaultWidth;
      noButtons ++;
    }
    node = node->Next();
  }
  ::SelectObject(memoryDC, oldBitmap);
  ::DeleteDC(memoryDC);
  ::DeleteDC(memoryDC2);

  // Map to system colours
  wxMapBitmap((HBITMAP) m_hBitmap, totalBitmapWidth, totalBitmapHeight);

  if ( oldToolBarBitmap )
  {
    TBREPLACEBITMAP replaceBitmap;
    replaceBitmap.hInstOld = NULL;
    replaceBitmap.hInstNew = NULL;
    replaceBitmap.nIDOld = (UINT) oldToolBarBitmap;
    replaceBitmap.nIDNew = (UINT) (HBITMAP) m_hBitmap;
    replaceBitmap.nButtons = noButtons;
    if (::SendMessage((HWND) GetHWND(), TB_REPLACEBITMAP, (WPARAM) 0, (LPARAM) &replaceBitmap) == -1)
      wxMessageBox("Could not add bitmap to toolbar");

    ::DeleteObject((HBITMAP) oldToolBarBitmap);

    // Now delete all the buttons
    int i = 0;
    while ( TRUE )
    {
        // TODO: What about separators???? They don't have an id!
        if ( ! ::SendMessage( (HWND) GetHWND(), TB_DELETEBUTTON, i, 0 ) )
            break;
    }
  }
  else
  {
    TBADDBITMAP addBitmap;
    addBitmap.hInst = 0;
    addBitmap.nID = (UINT)m_hBitmap;
    if (::SendMessage((HWND) GetHWND(), TB_ADDBITMAP, (WPARAM) noButtons, (LPARAM) &addBitmap) == -1)
      wxMessageBox("Could not add bitmap to toolbar");
  }

  // Now add the buttons.
  TBBUTTON buttons[50];

  node = m_tools.First();
  int i = 0;
  int bitmapId = 0;
  while (node)
  {
    wxToolBarTool *tool = (wxToolBarTool *)node->Data();
    if (tool->m_toolStyle == wxTOOL_STYLE_SEPARATOR)
    {
      buttons[i].iBitmap = 0;
      buttons[i].idCommand = 0;

      buttons[i].fsState = TBSTATE_ENABLED;
      buttons[i].fsStyle = TBSTYLE_SEP;
      buttons[i].dwData = 0L;
      buttons[i].iString = 0;
    }
    else
    {
      buttons[i].iBitmap = bitmapId;
      buttons[i].idCommand = tool->m_index;

      buttons[i].fsState = 0;
      if (tool->m_enabled)
        buttons[i].fsState |= TBSTATE_ENABLED;
      if (tool->m_toggleState)
        buttons[i].fsState |= TBSTATE_CHECKED;
      buttons[i].fsStyle = tool->m_isToggle ? TBSTYLE_CHECK : TBSTYLE_BUTTON;
      buttons[i].dwData = 0L;
      buttons[i].iString = 0;

      bitmapId ++;
    }

    i ++;
    node = node->Next();
  }

  long rc = ::SendMessage((HWND) GetHWND(), TB_ADDBUTTONS, (WPARAM)i, (LPARAM)& buttons);

  wxCHECK_MSG( rc, FALSE, "failed to add buttons to the toolbar" );

  (void)::SendMessage((HWND) GetHWND(), TB_AUTOSIZE, (WPARAM)0, (LPARAM) 0);

  SetRows(m_maxRows);

  return TRUE;
}

bool wxToolBar95::MSWCommand(WXUINT cmd, WXWORD id)
{
  wxNode *node = m_tools.Find((long)id);
  if (!node)
    return FALSE;
  wxToolBarTool *tool = (wxToolBarTool *)node->Data();
  if (tool->m_isToggle)
    tool->m_toggleState = (1 == (1 & (int)::SendMessage((HWND) GetHWND(), TB_GETSTATE, (WPARAM) id, (LPARAM) 0)));

  BOOL ret = OnLeftClick((int)id, tool->m_toggleState);
  if (ret == FALSE && tool->m_isToggle)
  {
    tool->m_toggleState = !tool->m_toggleState;
    ::SendMessage((HWND) GetHWND(), TB_CHECKBUTTON, (WPARAM)id, (LPARAM)MAKELONG(tool->m_toggleState, 0));
  }
  return TRUE;
}

bool wxToolBar95::MSWNotify(WXWPARAM WXUNUSED(wParam),
                            WXLPARAM lParam,
                            WXLPARAM *result)
{
    // First check if this applies to us
    NMHDR *hdr = (NMHDR *)lParam;

    // the tooltips control created by the toolbar is sometimes Unicode, even in
    // an ANSI application
    if ( (hdr->code != TTN_NEEDTEXTA) && (hdr->code != TTN_NEEDTEXTW) )
        return FALSE;

    HWND toolTipWnd = (HWND)::SendMessage((HWND)GetHWND(), TB_GETTOOLTIPS, 0, 0);
    if ( toolTipWnd != hdr->hwndFrom )
        return FALSE;

    LPTOOLTIPTEXT ttText = (LPTOOLTIPTEXT)lParam;
    int id = (int)ttText->hdr.idFrom;
    wxNode *node = m_tools.Find((long)id);
    if (!node)
        return FALSE;

    wxToolBarTool *tool = (wxToolBarTool *)node->Data();

    if ( tool->m_shortHelpString != "" )
    {
        if ( hdr->code == TTN_NEEDTEXTA )
        {
            ttText->lpszText = (char *)(const char *)tool->m_shortHelpString;
        }
#if (_WIN32_IE >= 0x0300)
        else
        {
            // FIXME this is a temp hack only until I understand better what
            //       must be done in both ANSI and Unicode builds
            size_t lenAnsi = tool->m_shortHelpString.Len();
            size_t lenUnicode = mbstowcs(NULL, tool->m_shortHelpString, lenAnsi);
            wchar_t *pwz = new wchar_t[lenUnicode + 1];
            mbstowcs(pwz, tool->m_shortHelpString, lenAnsi + 1);
            memcpy(ttText->szText, pwz,
                   (sizeof(ttText->szText) - 1)/sizeof(ttText->szText[0]));
            ttText->szText[WXSIZEOF(ttText->szText)] = 0;

            delete [] pwz;
        }
#endif // _WIN32_IE >= 0x0300
    }

    // For backward compatibility...
    OnMouseEnter(tool->m_index);

    return TRUE;
}

void wxToolBar95::SetToolBitmapSize(const wxSize& size)
{
  m_defaultWidth = size.x;
  m_defaultHeight = size.y;
  ::SendMessage((HWND) GetHWND(), TB_SETBITMAPSIZE, 0, (LPARAM) MAKELONG ((int)size.x, (int)size.y));
}

void wxToolBar95::SetRows(int nRows)
{
  RECT rect;
  ::SendMessage((HWND) GetHWND(), TB_SETROWS, MAKEWPARAM(nRows, TRUE), (LPARAM) & rect);
  m_maxWidth = (rect.right - rect.left + 2);
  m_maxHeight = (rect.bottom - rect.top + 2);
}

wxSize wxToolBar95::GetMaxSize() const
{
  if ((m_maxWidth == -1) || (m_maxHeight == -1))
  {
    RECT rect;
    ::SendMessage((HWND) GetHWND(), TB_SETROWS, MAKEWPARAM(m_maxRows, TRUE), (LPARAM) & rect);
    ((wxToolBar95 *)this)->m_maxWidth = (rect.right - rect.left + 2); // ???
    ((wxToolBar95 *)this)->m_maxHeight = (rect.bottom - rect.top + 2); // ???
  }
  return wxSize(m_maxWidth, m_maxHeight);
}

void wxToolBar95::GetSize(int *w, int *h) const
{
  wxWindow::GetSize(w, h);
  // For some reason, the returned height is several pixels bigger than that
  // displayed!
  *h -= 2;
}

// The button size is bigger than the bitmap size
wxSize wxToolBar95::GetToolSize() const
{
  return wxSize(m_defaultWidth + 8, m_defaultHeight + 7);
}

void wxToolBar95::EnableTool(int toolIndex, bool enable)
{
  wxNode *node = m_tools.Find((long)toolIndex);
  if (node)
  {
    wxToolBarTool *tool = (wxToolBarTool *)node->Data();
    tool->m_enabled = enable;
    ::SendMessage((HWND) GetHWND(), TB_ENABLEBUTTON, (WPARAM)toolIndex, (LPARAM)MAKELONG(enable, 0));
  }
}

void wxToolBar95::ToggleTool(int toolIndex, bool toggle)
{
  wxNode *node = m_tools.Find((long)toolIndex);
  if (node)
  {
    wxToolBarTool *tool = (wxToolBarTool *)node->Data();
    if (tool->m_isToggle)
    {
      tool->m_toggleState = toggle;
      ::SendMessage((HWND) GetHWND(), TB_CHECKBUTTON, (WPARAM)toolIndex, (LPARAM)MAKELONG(toggle, 0));
    }
  }
}

bool wxToolBar95::GetToolState(int toolIndex) const
{
    return (::SendMessage((HWND) GetHWND(), TB_ISBUTTONCHECKED, (WPARAM)toolIndex, (LPARAM)0) != 0);
}

void wxToolBar95::ClearTools()
{
  // TODO: Don't know how to reset the toolbar bitmap, as yet.
  // But adding tools and calling CreateTools should probably
  // recreate a buttonbar OK.
  wxToolBarBase::ClearTools();
}

// If pushedBitmap is NULL, a reversed version of bitmap is
// created and used as the pushed/toggled image.
// If toggle is TRUE, the button toggles between the two states.
wxToolBarTool *wxToolBar95::AddTool(int index, const wxBitmap& bitmap, const wxBitmap& pushedBitmap,
             bool toggle, long xPos, long yPos, wxObject *clientData, const wxString& helpString1, const wxString& helpString2)
{
  wxToolBarTool *tool = new wxToolBarTool(index, bitmap, wxNullBitmap, toggle, xPos, yPos, helpString1, helpString2);
  tool->m_clientData = clientData;

  if (xPos > -1)
    tool->m_x = xPos;
  else
    tool->m_x = m_xMargin;

  if (yPos > -1)
    tool->m_y = yPos;
  else
    tool->m_y = m_yMargin;

  tool->SetSize(GetToolSize().x, GetToolSize().y);

  m_tools.Append((long)index, tool);
  return tool;
}

// Responds to colour changes, and passes event on to children.
void wxToolBar95::OnSysColourChanged(wxSysColourChangedEvent& event)
{
    m_backgroundColour = wxColour(GetRValue(GetSysColor(COLOR_BTNFACE)),
          GetGValue(GetSysColor(COLOR_BTNFACE)), GetBValue(GetSysColor(COLOR_BTNFACE)));

    // Remap the buttons
    CreateTools();

    Default();

    Refresh();

    // Propagate the event to the non-top-level children
    wxWindow::OnSysColourChanged(event);
}

void wxToolBar95::OnMouseEvent(wxMouseEvent& event)
{
    if (event.RightDown())
    {
        // For now, we don't have an id. Later we could
        // try finding the tool.
        OnRightClick((int)-1, event.GetX(), event.GetY());
    }
    else
    {
        Default();
    }
}

// These are the default colors used to map the bitmap colors
// to the current system colors

#define BGR_BUTTONTEXT      (RGB(000,000,000))  // black
#define BGR_BUTTONSHADOW    (RGB(128,128,128))  // dark grey
#define BGR_BUTTONFACE      (RGB(192,192,192))  // bright grey
#define BGR_BUTTONHILIGHT   (RGB(255,255,255))  // white
#define BGR_BACKGROUNDSEL   (RGB(255,000,000))  // blue
#define BGR_BACKGROUND      (RGB(255,000,255))  // magenta

void wxMapBitmap(HBITMAP hBitmap, int width, int height)
{
  COLORMAP ColorMap[] = {
    {BGR_BUTTONTEXT,    COLOR_BTNTEXT},     // black
    {BGR_BUTTONSHADOW,  COLOR_BTNSHADOW},   // dark grey
    {BGR_BUTTONFACE,    COLOR_BTNFACE},     // bright grey
    {BGR_BUTTONHILIGHT, COLOR_BTNHIGHLIGHT},// white
    {BGR_BACKGROUNDSEL, COLOR_HIGHLIGHT},   // blue
    {BGR_BACKGROUND,    COLOR_WINDOW}       // magenta
  };

  int NUM_MAPS = (sizeof(ColorMap)/sizeof(COLORMAP));
  int n;
  for ( n = 0; n < NUM_MAPS; n++)
  {
    ColorMap[n].to = ::GetSysColor(ColorMap[n].to);
  }

  HBITMAP hbmOld;
  HDC hdcMem = CreateCompatibleDC(NULL);

  if (hdcMem)
  {
    hbmOld = (HBITMAP) SelectObject(hdcMem, hBitmap);

    int i, j, k;
    for ( i = 0; i < width; i++)
    {
        for ( j = 0; j < height; j++)
        {
            COLORREF pixel = ::GetPixel(hdcMem, i, j);
/*
            BYTE red = GetRValue(pixel);
            BYTE green = GetGValue(pixel);
            BYTE blue = GetBValue(pixel);
*/

            for ( k = 0; k < NUM_MAPS; k ++)
            {
                if ( ColorMap[k].from == pixel )
                {
                    /* COLORREF actualPixel = */ ::SetPixel(hdcMem, i, j, ColorMap[k].to);
                    break;
                }
            }
        }
    }


    SelectObject(hdcMem, hbmOld);
    DeleteObject(hdcMem);
  }

}

// Some experiments...
#if 0
  // What we want to do is create another bitmap which has a depth of 4,
  // and set the bits. So probably we want to convert this HBITMAP into a
  // DIB, then call SetDIBits.
  // AAAGH. The stupid thing is that if newBitmap has a depth of 4 (less than that of
  // the screen), then SetDIBits fails.
  HBITMAP newBitmap = ::CreateBitmap(totalBitmapWidth, totalBitmapHeight, 1, 4, NULL);
  HANDLE newDIB = ::BitmapToDIB((HBITMAP) m_hBitmap, NULL);
  LPBITMAPINFOHEADER lpbmi = (LPBITMAPINFOHEADER) GlobalLock(newDIB);

  dc = ::GetDC(NULL);
//  LPBITMAPINFOHEADER lpbmi = (LPBITMAPINFOHEADER) newDIB;

  int result = ::SetDIBits(dc, newBitmap, 0, lpbmi->biHeight, FindDIBBits((LPSTR)lpbmi), (LPBITMAPINFO)lpbmi,
    DIB_PAL_COLORS);
  DWORD err = GetLastError();

  ::ReleaseDC(NULL, dc);

  // Delete the DIB
  GlobalUnlock (newDIB);
  GlobalFree (newDIB);

//  WXHBITMAP hBitmap2 = wxCreateMappedBitmap((WXHINSTANCE) wxGetInstance(), (WXHBITMAP) m_hBitmap);
  // Substitute our new bitmap for the old one
  ::DeleteObject((HBITMAP) m_hBitmap);
  m_hBitmap = (WXHBITMAP) newBitmap;
#endif


#endif
Commit	Line	Data
2bda0e17 KB	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: tbar95.cpp
	3	// Purpose: wxToolBar95
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 04/01/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart and Markus Holzem
89b892a2	9	// Licence: wxWindows license
2bda0e17 KB	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifdef __GNUG__
	13	#pragma implementation "tbar95.h"
	14	#endif
	15
	16	// For compilers that support precompilation, includes "wx.h".
	17	#include "wx/wxprec.h"
	18
	19	#ifdef __BORLANDC__
	20	#pragma hdrstop
	21	#endif
	22
	23	#ifndef WX_PRECOMP
	24	#include "wx.h"
	25	#endif
	26
47d67540	27	#if wxUSE_BUTTONBAR && wxUSE_TOOLBAR && defined(__WIN95__)
2bda0e17 KB	28
	29	#ifndef __GNUWIN32__
	30	#include "malloc.h"
	31	#endif
	32
	33	#include <windows.h>
	34
	35	#ifndef __GNUWIN32__
	36	#include <commctrl.h>
	37	#endif
	38
	39	#ifdef __GNUWIN32__
	40	#include "wx/msw/gnuwin32/extra.h"
	41	#endif
	42
	43	#include "wx/msw/dib.h"
	44	#include "wx/tbar95.h"
	45	#include "wx/app.h"
	46	#include "wx/msw/private.h"
	47
6a23cbce	48	// Styles
bb6290e3 JS	49	#ifndef TBSTYLE_FLAT
	50	#define TBSTYLE_LIST 0x1000
	51	#define TBSTYLE_FLAT 0x0800
	52	#define TBSTYLE_TRANSPARENT 0x8000
	53	#endif
	54	// use TBSTYLE_TRANSPARENT if you use TBSTYLE_FLAT
	55
6a23cbce JS	56	// Messages
	57	#ifndef TB_GETSTYLE
	58	#define TB_GETSTYLE (WM_USER + 57)
	59	#define TB_SETSTYLE (WM_USER + 56)
	60	#endif
	61
	62	/* Hint from a newsgroup for custom flatbar drawing:
	63	Set the TBSTYLE_CUSTOMERASE style, then handle the
	64	NM_CUSTOMDRAW message and do your custom drawing.
	65	*/
	66
81d66cf3 JS	67	#define DEFAULTBITMAPX 16
	68	#define DEFAULTBITMAPY 15
	69	#define DEFAULTBUTTONX 24
	70	#define DEFAULTBUTTONY 24
	71	#define DEFAULTBARHEIGHT 27
	72
2bda0e17 KB	73	#if !USE_SHARED_LIBRARY
2bda0e17 KB	74	IMPLEMENT_DYNAMIC_CLASS(wxToolBar95, wxToolBarBase)
89b892a2	75	#endif
2bda0e17 KB	76
2bda0e17 KB	77	BEGIN_EVENT_TABLE(wxToolBar95, wxToolBarBase)
601d9e60 JS	78	EVT_SIZE(wxToolBar95::OnSize)
601d9e60 JS	79	EVT_PAINT(wxToolBar95::OnPaint)
89b892a2	80	EVT_MOUSE_EVENTS(wxToolBar95::OnMouseEvent)
601d9e60	81	EVT_KILL_FOCUS(wxToolBar95::OnKillFocus)
2bda0e17 KB	82	EVT_SYS_COLOUR_CHANGED(wxToolBar95::OnSysColourChanged)
2bda0e17 KB	83	END_EVENT_TABLE()
2bda0e17	84
89b892a2	85	static void wxMapBitmap(HBITMAP hBitmap, int width, int height);
2bda0e17	86
89b892a2	87	wxToolBar95::wxToolBar95()
2bda0e17	88	{
2bda0e17 KB	89	m_maxWidth = -1;
	90	m_maxHeight = -1;
	91	m_hBitmap = 0;
	92	m_defaultWidth = DEFAULTBITMAPX;
	93	m_defaultHeight = DEFAULTBITMAPY;
	94	}
	95
89b892a2 VZ	96	bool wxToolBar95::Create(wxWindow *parent,
	97	wxWindowID id,
	98	const wxPoint& pos,
	99	const wxSize& size,
	100	long style,
	101	const wxString& name)
2bda0e17 KB	102	{
2bda0e17 KB	103	m_backgroundColour = wxColour(GetRValue(GetSysColor(COLOR_BTNFACE)),
89b892a2 VZ	104	GetGValue(GetSysColor(COLOR_BTNFACE)),
89b892a2 VZ	105	GetBValue(GetSysColor(COLOR_BTNFACE)));
2bda0e17 KB	106	m_foregroundColour = *wxBLACK ;
2bda0e17 KB	107
89b892a2 VZ	108	wxASSERT_MSG( (style & wxTB_VERTICAL) == 0,
	109	"Sorry, wxToolBar95 under Windows 95 only "
	110	"supports horizontal orientation." );
	111
2bda0e17 KB	112	m_maxWidth = -1;
2bda0e17 KB	113	m_maxHeight = -1;
89b892a2	114
2bda0e17 KB	115	m_hBitmap = 0;
	116
	117	m_defaultWidth = DEFAULTBITMAPX;
	118	m_defaultHeight = DEFAULTBITMAPY;
	119	SetName(name);
	120
2bda0e17 KB	121	m_windowStyle = style;
2bda0e17 KB	122
1c089c47	123	SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
2bda0e17 KB	124	SetParent(parent);
2bda0e17 KB	125
89b892a2 VZ	126	int x = pos.x;
	127	int y = pos.y;
	128	int width = size.x;
	129	int height = size.y;
	130
2bda0e17 KB	131	if (width <= 0)
	132	width = 100;
	133	if (height <= 0)
	134	height = 30;
	135	if (x < 0)
	136	x = 0;
	137	if (y < 0)
	138	y = 0;
	139
	140	m_windowId = (id < 0 ? NewControlId() : id);
89b892a2 VZ	141	DWORD msflags = 0;
	142	if (style & wxBORDER)
	143	msflags \|= WS_BORDER;
	144	msflags \|= WS_CHILD \| WS_VISIBLE \| TBSTYLE_TOOLTIPS;
bb6290e3 JS	145
	146	if (style & wxTB_FLAT)
	147	{
	148	if (wxTheApp->GetComCtl32Version() > 400)
89b892a2	149	msflags \|= TBSTYLE_FLAT;
bb6290e3	150	}
2bda0e17 KB	151
2bda0e17 KB	152	// Create the toolbar control.
89b892a2 VZ	153	HWND hWndToolbar = CreateWindowEx
	154	(
	155	0L, // No extended styles.
	156	TOOLBARCLASSNAME, // Class name for the toolbar.
	157	"", // No default text.
	158	msflags, // Styles
	159	x, y, width, height, // Standard toolbar size and position.
	160	(HWND) parent->GetHWND(), // Parent window of the toolbar.
	161	(HMENU)m_windowId, // Toolbar ID.
	162	wxGetInstance(), // Current instance.
	163	NULL // No class data.
	164	);
	165
	166	wxCHECK_MSG( hWndToolbar, FALSE, "Toolbar creation failed" );
2bda0e17 KB	167
2bda0e17 KB	168	// Toolbar-specific initialisation
89b892a2 VZ	169	::SendMessage(hWndToolbar, TB_BUTTONSTRUCTSIZE,
89b892a2 VZ	170	(WPARAM)sizeof(TBBUTTON), (LPARAM)0);
2bda0e17 KB	171
2bda0e17 KB	172	m_hWnd = (WXHWND) hWndToolbar;
89b892a2 VZ	173	if (parent)
	174	parent->AddChild(this);
	175
	176	SubclassWin((WXHWND)hWndToolbar);
2bda0e17 KB	177
	178	return TRUE;
	179	}
	180
89b892a2	181	wxToolBar95::~wxToolBar95()
2bda0e17 KB	182	{
	183	UnsubclassWin();
	184
	185	if (m_hBitmap)
	186	{
	187	::DeleteObject((HBITMAP) m_hBitmap);
	188	m_hBitmap = 0;
	189	}
	190	}
	191
89b892a2	192	bool wxToolBar95::CreateTools()
2bda0e17 KB	193	{
	194	if (m_tools.Number() == 0)
	195	return FALSE;
	196
	197	HBITMAP oldToolBarBitmap = (HBITMAP) m_hBitmap;
89b892a2	198
2bda0e17 KB	199	int totalBitmapWidth = (int)(m_defaultWidth * m_tools.Number());
	200	int totalBitmapHeight = (int)m_defaultHeight;
	201
	202	// Create a bitmap for all the tool bitmaps
	203	HDC dc = ::GetDC(NULL);
	204	m_hBitmap = (WXHBITMAP) ::CreateCompatibleBitmap(dc, totalBitmapWidth, totalBitmapHeight);
	205	::ReleaseDC(NULL, dc);
89b892a2	206
2bda0e17 KB	207	// Now blit all the tools onto this bitmap
2bda0e17 KB	208	HDC memoryDC = ::CreateCompatibleDC(NULL);
c4e7c2aa	209	HBITMAP oldBitmap = (HBITMAP) ::SelectObject(memoryDC, (HBITMAP) m_hBitmap);
2bda0e17 KB	210
	211	HDC memoryDC2 = ::CreateCompatibleDC(NULL);
	212	int x = 0;
	213	wxNode *node = m_tools.First();
	214	int noButtons = 0;
	215	while (node)
	216	{
	217	wxToolBarTool tool = (wxToolBarTool )node->Data();
	218	if ((tool->m_toolStyle != wxTOOL_STYLE_SEPARATOR) && tool->m_bitmap1.Ok() && tool->m_bitmap1.GetHBITMAP())
	219	{
	220	// wxPalette *palette = tool->m_bitmap1->GetPalette();
	221
c4e7c2aa	222	HBITMAP oldBitmap2 = (HBITMAP) ::SelectObject(memoryDC2, (HBITMAP) tool->m_bitmap1.GetHBITMAP());
2bda0e17	223	/* int bltResult = */
89b892a2	224	BitBlt(memoryDC, x, 0, (int) m_defaultWidth, (int) m_defaultHeight, memoryDC2,
2bda0e17 KB	225	0, 0, SRCCOPY);
	226	::SelectObject(memoryDC2, oldBitmap2);
	227	x += (int)m_defaultWidth;
	228	noButtons ++;
	229	}
	230	node = node->Next();
	231	}
	232	::SelectObject(memoryDC, oldBitmap);
	233	::DeleteDC(memoryDC);
	234	::DeleteDC(memoryDC2);
	235
	236	// Map to system colours
	237	wxMapBitmap((HBITMAP) m_hBitmap, totalBitmapWidth, totalBitmapHeight);
	238
	239	if ( oldToolBarBitmap )
	240	{
	241	TBREPLACEBITMAP replaceBitmap;
	242	replaceBitmap.hInstOld = NULL;
	243	replaceBitmap.hInstNew = NULL;
	244	replaceBitmap.nIDOld = (UINT) oldToolBarBitmap;
	245	replaceBitmap.nIDNew = (UINT) (HBITMAP) m_hBitmap;
	246	replaceBitmap.nButtons = noButtons;
	247	if (::SendMessage((HWND) GetHWND(), TB_REPLACEBITMAP, (WPARAM) 0, (LPARAM) &replaceBitmap) == -1)
	248	wxMessageBox("Could not add bitmap to toolbar");
	249
	250	::DeleteObject((HBITMAP) oldToolBarBitmap);
	251
	252	// Now delete all the buttons
	253	int i = 0;
	254	while ( TRUE )
	255	{
	256	// TODO: What about separators???? They don't have an id!
	257	if ( ! ::SendMessage( (HWND) GetHWND(), TB_DELETEBUTTON, i, 0 ) )
	258	break;
	259	}
	260	}
	261	else
	262	{
	263	TBADDBITMAP addBitmap;
	264	addBitmap.hInst = 0;
	265	addBitmap.nID = (UINT)m_hBitmap;
	266	if (::SendMessage((HWND) GetHWND(), TB_ADDBITMAP, (WPARAM) noButtons, (LPARAM) &addBitmap) == -1)
	267	wxMessageBox("Could not add bitmap to toolbar");
	268	}
	269
	270	// Now add the buttons.
	271	TBBUTTON buttons[50];
	272
	273	node = m_tools.First();
	274	int i = 0;
	275	int bitmapId = 0;
	276	while (node)
	277	{
	278	wxToolBarTool tool = (wxToolBarTool )node->Data();
	279	if (tool->m_toolStyle == wxTOOL_STYLE_SEPARATOR)
	280	{
	281	buttons[i].iBitmap = 0;
	282	buttons[i].idCommand = 0;
	283
	284	buttons[i].fsState = TBSTATE_ENABLED;
	285	buttons[i].fsStyle = TBSTYLE_SEP;
	286	buttons[i].dwData = 0L;
	287	buttons[i].iString = 0;
	288	}
289	else
290	{
291	buttons[i].iBitmap = bitmapId;
292	buttons[i].idCommand = tool->m_index;
293
294	buttons[i].fsState = 0;
295	if (tool->m_enabled)
296	buttons[i].fsState \|= TBSTATE_ENABLED;
297	if (tool->m_toggleState)
298	buttons[i].fsState \|= TBSTATE_CHECKED;
299	buttons[i].fsStyle = tool->m_isToggle ? TBSTYLE_CHECK : TBSTYLE_BUTTON;
300	buttons[i].dwData = 0L;
301	buttons[i].iString = 0;
302
303	bitmapId ++;
304	}
89b892a2	305
2bda0e17 KB	306	i ++;
	307	node = node->Next();
	308	}
	309
89b892a2	310	long rc = ::SendMessage((HWND) GetHWND(), TB_ADDBUTTONS, (WPARAM)i, (LPARAM)& buttons);
2bda0e17	311
89b892a2 VZ	312	wxCHECK_MSG( rc, FALSE, "failed to add buttons to the toolbar" );
	313
	314	(void)::SendMessage((HWND) GetHWND(), TB_AUTOSIZE, (WPARAM)0, (LPARAM) 0);
	315
	316	SetRows(m_maxRows);
2bda0e17 KB	317
	318	return TRUE;
	319	}
	320
debe6624	321	bool wxToolBar95::MSWCommand(WXUINT cmd, WXWORD id)
2bda0e17 KB	322	{
	323	wxNode *node = m_tools.Find((long)id);
	324	if (!node)
	325	return FALSE;
	326	wxToolBarTool tool = (wxToolBarTool )node->Data();
	327	if (tool->m_isToggle)
	328	tool->m_toggleState = (1 == (1 & (int)::SendMessage((HWND) GetHWND(), TB_GETSTATE, (WPARAM) id, (LPARAM) 0)));
	329
	330	BOOL ret = OnLeftClick((int)id, tool->m_toggleState);
	331	if (ret == FALSE && tool->m_isToggle)
	332	{
	333	tool->m_toggleState = !tool->m_toggleState;
	334	::SendMessage((HWND) GetHWND(), TB_CHECKBUTTON, (WPARAM)id, (LPARAM)MAKELONG(tool->m_toggleState, 0));
	335	}
	336	return TRUE;
	337	}
	338
fd3f686c VZ	339	bool wxToolBar95::MSWNotify(WXWPARAM WXUNUSED(wParam),
	340	WXLPARAM lParam,
	341	WXLPARAM *result)
2bda0e17	342	{
89b892a2	343	// First check if this applies to us
2bda0e17	344	NMHDR hdr = (NMHDR )lParam;
2bda0e17	345
89b892a2 VZ	346	// the tooltips control created by the toolbar is sometimes Unicode, even in
	347	// an ANSI application
	348	if ( (hdr->code != TTN_NEEDTEXTA) && (hdr->code != TTN_NEEDTEXTW) )
	349	return FALSE;
2bda0e17	350
89b892a2 VZ	351	HWND toolTipWnd = (HWND)::SendMessage((HWND)GetHWND(), TB_GETTOOLTIPS, 0, 0);
	352	if ( toolTipWnd != hdr->hwndFrom )
	353	return FALSE;
2bda0e17	354
89b892a2 VZ	355	LPTOOLTIPTEXT ttText = (LPTOOLTIPTEXT)lParam;
	356	int id = (int)ttText->hdr.idFrom;
	357	wxNode *node = m_tools.Find((long)id);
	358	if (!node)
	359	return FALSE;
	360
	361	wxToolBarTool tool = (wxToolBarTool )node->Data();
2bda0e17	362
89b892a2 VZ	363	if ( tool->m_shortHelpString != "" )
	364	{
	365	if ( hdr->code == TTN_NEEDTEXTA )
	366	{
	367	ttText->lpszText = (char )(const char )tool->m_shortHelpString;
	368	}
	369	#if (_WIN32_IE >= 0x0300)
	370	else
	371	{
	372	// FIXME this is a temp hack only until I understand better what
	373	// must be done in both ANSI and Unicode builds
	374	size_t lenAnsi = tool->m_shortHelpString.Len();
	375	size_t lenUnicode = mbstowcs(NULL, tool->m_shortHelpString, lenAnsi);
	376	wchar_t *pwz = new wchar_t[lenUnicode + 1];
	377	mbstowcs(pwz, tool->m_shortHelpString, lenAnsi + 1);
	378	memcpy(ttText->szText, pwz,
	379	(sizeof(ttText->szText) - 1)/sizeof(ttText->szText[0]));
	380	ttText->szText[WXSIZEOF(ttText->szText)] = 0;
	381
	382	delete [] pwz;
	383	}
	384	#endif // _WIN32_IE >= 0x0300
2bda0e17	385	}
89b892a2 VZ	386
	387	// For backward compatibility...
	388	OnMouseEnter(tool->m_index);
	389
	390	return TRUE;
2bda0e17 KB	391	}
2bda0e17 KB	392
81d66cf3	393	void wxToolBar95::SetToolBitmapSize(const wxSize& size)
2bda0e17	394	{
89b892a2 VZ	395	m_defaultWidth = size.x;
89b892a2 VZ	396	m_defaultHeight = size.y;
2bda0e17 KB	397	::SendMessage((HWND) GetHWND(), TB_SETBITMAPSIZE, 0, (LPARAM) MAKELONG ((int)size.x, (int)size.y));
	398	}
	399
debe6624	400	void wxToolBar95::SetRows(int nRows)
2bda0e17 KB	401	{
	402	RECT rect;
	403	::SendMessage((HWND) GetHWND(), TB_SETROWS, MAKEWPARAM(nRows, TRUE), (LPARAM) & rect);
	404	m_maxWidth = (rect.right - rect.left + 2);
	405	m_maxHeight = (rect.bottom - rect.top + 2);
	406	}
	407
89b892a2	408	wxSize wxToolBar95::GetMaxSize() const
2bda0e17	409	{
dfad0599	410	if ((m_maxWidth == -1) \|\| (m_maxHeight == -1))
2bda0e17 KB	411	{
2bda0e17 KB	412	RECT rect;
81d66cf3	413	::SendMessage((HWND) GetHWND(), TB_SETROWS, MAKEWPARAM(m_maxRows, TRUE), (LPARAM) & rect);
2bda0e17 KB	414	((wxToolBar95 *)this)->m_maxWidth = (rect.right - rect.left + 2); // ???
	415	((wxToolBar95 *)this)->m_maxHeight = (rect.bottom - rect.top + 2); // ???
	416	}
	417	return wxSize(m_maxWidth, m_maxHeight);
	418	}
	419
	420	void wxToolBar95::GetSize(int w, int h) const
	421	{
	422	wxWindow::GetSize(w, h);
	423	// For some reason, the returned height is several pixels bigger than that
	424	// displayed!
	425	*h -= 2;
	426	}
	427
	428	// The button size is bigger than the bitmap size
89b892a2	429	wxSize wxToolBar95::GetToolSize() const
2bda0e17 KB	430	{
	431	return wxSize(m_defaultWidth + 8, m_defaultHeight + 7);
	432	}
	433
debe6624	434	void wxToolBar95::EnableTool(int toolIndex, bool enable)
2bda0e17 KB	435	{
	436	wxNode *node = m_tools.Find((long)toolIndex);
	437	if (node)
	438	{
	439	wxToolBarTool tool = (wxToolBarTool )node->Data();
	440	tool->m_enabled = enable;
	441	::SendMessage((HWND) GetHWND(), TB_ENABLEBUTTON, (WPARAM)toolIndex, (LPARAM)MAKELONG(enable, 0));
	442	}
	443	}
	444
debe6624	445	void wxToolBar95::ToggleTool(int toolIndex, bool toggle)
2bda0e17 KB	446	{
	447	wxNode *node = m_tools.Find((long)toolIndex);
	448	if (node)
	449	{
	450	wxToolBarTool tool = (wxToolBarTool )node->Data();
	451	if (tool->m_isToggle)
	452	{
	453	tool->m_toggleState = toggle;
	454	::SendMessage((HWND) GetHWND(), TB_CHECKBUTTON, (WPARAM)toolIndex, (LPARAM)MAKELONG(toggle, 0));
	455	}
	456	}
	457	}
	458
088a95f5 JS	459	bool wxToolBar95::GetToolState(int toolIndex) const
	460	{
	461	return (::SendMessage((HWND) GetHWND(), TB_ISBUTTONCHECKED, (WPARAM)toolIndex, (LPARAM)0) != 0);
	462	}
	463
89b892a2	464	void wxToolBar95::ClearTools()
2bda0e17 KB	465	{
	466	// TODO: Don't know how to reset the toolbar bitmap, as yet.
	467	// But adding tools and calling CreateTools should probably
	468	// recreate a buttonbar OK.
	469	wxToolBarBase::ClearTools();
	470	}
	471
	472	// If pushedBitmap is NULL, a reversed version of bitmap is
	473	// created and used as the pushed/toggled image.
	474	// If toggle is TRUE, the button toggles between the two states.
debe6624 JS	475	wxToolBarTool *wxToolBar95::AddTool(int index, const wxBitmap& bitmap, const wxBitmap& pushedBitmap,
debe6624 JS	476	bool toggle, long xPos, long yPos, wxObject *clientData, const wxString& helpString1, const wxString& helpString2)
2bda0e17	477	{
dfad0599	478	wxToolBarTool *tool = new wxToolBarTool(index, bitmap, wxNullBitmap, toggle, xPos, yPos, helpString1, helpString2);
2bda0e17 KB	479	tool->m_clientData = clientData;
	480
	481	if (xPos > -1)
	482	tool->m_x = xPos;
	483	else
	484	tool->m_x = m_xMargin;
	485
	486	if (yPos > -1)
	487	tool->m_y = yPos;
	488	else
	489	tool->m_y = m_yMargin;
	490
ca5e9f67	491	tool->SetSize(GetToolSize().x, GetToolSize().y);
2bda0e17 KB	492
	493	m_tools.Append((long)index, tool);
	494	return tool;
	495	}
	496
	497	// Responds to colour changes, and passes event on to children.
	498	void wxToolBar95::OnSysColourChanged(wxSysColourChangedEvent& event)
	499	{
	500	m_backgroundColour = wxColour(GetRValue(GetSysColor(COLOR_BTNFACE)),
89b892a2	501	GetGValue(GetSysColor(COLOR_BTNFACE)), GetBValue(GetSysColor(COLOR_BTNFACE)));
2bda0e17 KB	502
	503	// Remap the buttons
	504	CreateTools();
	505
	506	Default();
	507
	508	Refresh();
	509
	510	// Propagate the event to the non-top-level children
	511	wxWindow::OnSysColourChanged(event);
	512	}
	513
e6460682 JS	514	void wxToolBar95::OnMouseEvent(wxMouseEvent& event)
	515	{
	516	if (event.RightDown())
	517	{
	518	// For now, we don't have an id. Later we could
	519	// try finding the tool.
	520	OnRightClick((int)-1, event.GetX(), event.GetY());
	521	}
	522	else
	523	{
	524	Default();
	525	}
	526	}
	527
2bda0e17 KB	528	// These are the default colors used to map the bitmap colors
	529	// to the current system colors
	530
	531	#define BGR_BUTTONTEXT (RGB(000,000,000)) // black
	532	#define BGR_BUTTONSHADOW (RGB(128,128,128)) // dark grey
	533	#define BGR_BUTTONFACE (RGB(192,192,192)) // bright grey
	534	#define BGR_BUTTONHILIGHT (RGB(255,255,255)) // white
	535	#define BGR_BACKGROUNDSEL (RGB(255,000,000)) // blue
	536	#define BGR_BACKGROUND (RGB(255,000,255)) // magenta
	537
	538	void wxMapBitmap(HBITMAP hBitmap, int width, int height)
	539	{
	540	COLORMAP ColorMap[] = {
	541	{BGR_BUTTONTEXT, COLOR_BTNTEXT}, // black
	542	{BGR_BUTTONSHADOW, COLOR_BTNSHADOW}, // dark grey
	543	{BGR_BUTTONFACE, COLOR_BTNFACE}, // bright grey
	544	{BGR_BUTTONHILIGHT, COLOR_BTNHIGHLIGHT},// white
	545	{BGR_BACKGROUNDSEL, COLOR_HIGHLIGHT}, // blue
	546	{BGR_BACKGROUND, COLOR_WINDOW} // magenta
	547	};
	548
	549	int NUM_MAPS = (sizeof(ColorMap)/sizeof(COLORMAP));
	550	int n;
	551	for ( n = 0; n < NUM_MAPS; n++)
	552	{
	553	ColorMap[n].to = ::GetSysColor(ColorMap[n].to);
	554	}
	555
	556	HBITMAP hbmOld;
	557	HDC hdcMem = CreateCompatibleDC(NULL);
	558
	559	if (hdcMem)
	560	{
c4e7c2aa	561	hbmOld = (HBITMAP) SelectObject(hdcMem, hBitmap);
2bda0e17 KB	562
	563	int i, j, k;
	564	for ( i = 0; i < width; i++)
	565	{
	566	for ( j = 0; j < height; j++)
	567	{
	568	COLORREF pixel = ::GetPixel(hdcMem, i, j);
	569	/*
	570	BYTE red = GetRValue(pixel);
	571	BYTE green = GetGValue(pixel);
	572	BYTE blue = GetBValue(pixel);
	573	*/
	574
	575	for ( k = 0; k < NUM_MAPS; k ++)
	576	{
	577	if ( ColorMap[k].from == pixel )
	578	{
	579	/* COLORREF actualPixel = */ ::SetPixel(hdcMem, i, j, ColorMap[k].to);
	580	break;
	581	}
	582	}
	583	}
	584	}
	585
	586
	587	SelectObject(hdcMem, hbmOld);
	588	DeleteObject(hdcMem);
	589	}
	590
	591	}
	592
	593	// Some experiments...
	594	#if 0
	595	// What we want to do is create another bitmap which has a depth of 4,
	596	// and set the bits. So probably we want to convert this HBITMAP into a
	597	// DIB, then call SetDIBits.
	598	// AAAGH. The stupid thing is that if newBitmap has a depth of 4 (less than that of
	599	// the screen), then SetDIBits fails.
	600	HBITMAP newBitmap = ::CreateBitmap(totalBitmapWidth, totalBitmapHeight, 1, 4, NULL);
	601	HANDLE newDIB = ::BitmapToDIB((HBITMAP) m_hBitmap, NULL);
	602	LPBITMAPINFOHEADER lpbmi = (LPBITMAPINFOHEADER) GlobalLock(newDIB);
	603
	604	dc = ::GetDC(NULL);
	605	// LPBITMAPINFOHEADER lpbmi = (LPBITMAPINFOHEADER) newDIB;
	606
	607	int result = ::SetDIBits(dc, newBitmap, 0, lpbmi->biHeight, FindDIBBits((LPSTR)lpbmi), (LPBITMAPINFO)lpbmi,
	608	DIB_PAL_COLORS);
	609	DWORD err = GetLastError();
	610
	611	::ReleaseDC(NULL, dc);
	612
	613	// Delete the DIB
	614	GlobalUnlock (newDIB);
	615	GlobalFree (newDIB);
	616
	617	// WXHBITMAP hBitmap2 = wxCreateMappedBitmap((WXHINSTANCE) wxGetInstance(), (WXHBITMAP) m_hBitmap);
	618	// Substitute our new bitmap for the old one
	619	::DeleteObject((HBITMAP) m_hBitmap);
	620	m_hBitmap = (WXHBITMAP) newBitmap;
	621	#endif
	622
	623
	624	#endif