src/msw/bmpbuttn.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/msw/bmpbuttn.cpp
// Purpose:     wxBitmapButton
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_BMPBUTTON

#ifndef WX_PRECOMP
    #include "wx/bmpbuttn.h"
    #include "wx/log.h"
    #include "wx/dcmemory.h"
#endif

#include "wx/msw/private.h"
#include "wx/image.h"

// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------

#if wxUSE_EXTENDED_RTTI

WX_DEFINE_FLAGS( wxBitmapButtonStyle )

wxBEGIN_FLAGS( wxBitmapButtonStyle )
    // new style border flags, we put them first to
    // use them for streaming out
    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
    wxFLAGS_MEMBER(wxBORDER_RAISED)
    wxFLAGS_MEMBER(wxBORDER_STATIC)
    wxFLAGS_MEMBER(wxBORDER_NONE)

    // old style border flags
    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
    wxFLAGS_MEMBER(wxRAISED_BORDER)
    wxFLAGS_MEMBER(wxSTATIC_BORDER)
    wxFLAGS_MEMBER(wxBORDER)

    // standard window styles
    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
    wxFLAGS_MEMBER(wxWANTS_CHARS)
    wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
    wxFLAGS_MEMBER(wxVSCROLL)
    wxFLAGS_MEMBER(wxHSCROLL)

    wxFLAGS_MEMBER(wxBU_AUTODRAW)
    wxFLAGS_MEMBER(wxBU_LEFT)
    wxFLAGS_MEMBER(wxBU_RIGHT)
    wxFLAGS_MEMBER(wxBU_TOP)
    wxFLAGS_MEMBER(wxBU_BOTTOM)
wxEND_FLAGS( wxBitmapButtonStyle )

IMPLEMENT_DYNAMIC_CLASS_XTI(wxBitmapButton, wxButton,"wx/bmpbuttn.h")

wxBEGIN_PROPERTIES_TABLE(wxBitmapButton)
    wxPROPERTY_FLAGS( WindowStyle , wxBitmapButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
wxEND_PROPERTIES_TABLE()

wxBEGIN_HANDLERS_TABLE(wxBitmapButton)
wxEND_HANDLERS_TABLE()

wxCONSTRUCTOR_5( wxBitmapButton , wxWindow* , Parent , wxWindowID , Id , wxBitmap , Bitmap , wxPoint , Position , wxSize , Size )

#else
IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
#endif

BEGIN_EVENT_TABLE(wxBitmapButton, wxBitmapButtonBase)
    EVT_SYS_COLOUR_CHANGED(wxBitmapButton::OnSysColourChanged)
END_EVENT_TABLE()

/*
TODO PROPERTIES :

long "style" , wxBU_AUTODRAW
bool "default" , 0
bitmap "selected" ,
bitmap "focus" ,
bitmap "disabled" ,
*/

bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id,
    const wxBitmap& bitmap,
    const wxPoint& pos,
    const wxSize& size, long style,
    const wxValidator& wxVALIDATOR_PARAM(validator),
    const wxString& name)
{
    m_bmpNormal = bitmap;
    SetName(name);

#if wxUSE_VALIDATORS
    SetValidator(validator);
#endif // wxUSE_VALIDATORS

    parent->AddChild(this);

    m_backgroundColour = parent->GetBackgroundColour();
    m_foregroundColour = parent->GetForegroundColour();
    m_windowStyle = style;

    if ( style & wxBU_AUTODRAW )
    {
        m_marginX = wxDEFAULT_BUTTON_MARGIN;
        m_marginY = wxDEFAULT_BUTTON_MARGIN;
    }

    if (id == wxID_ANY)
        m_windowId = NewControlId();
    else
        m_windowId = id;

    long msStyle = WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ;

    if ( m_windowStyle & wxCLIP_SIBLINGS )
        msStyle |= WS_CLIPSIBLINGS;

#ifdef __WIN32__
    if(m_windowStyle & wxBU_LEFT)
        msStyle |= BS_LEFT;
    if(m_windowStyle & wxBU_RIGHT)
        msStyle |= BS_RIGHT;
    if(m_windowStyle & wxBU_TOP)
        msStyle |= BS_TOP;
    if(m_windowStyle & wxBU_BOTTOM)
        msStyle |= BS_BOTTOM;
#endif

    m_hWnd = (WXHWND) CreateWindowEx(
                    0,
                    wxT("BUTTON"),
                    wxEmptyString,
                    msStyle,
                    0, 0, 0, 0,
                    GetWinHwnd(parent),
                    (HMENU)m_windowId,
                    wxGetInstance(),
                    NULL
                   );

    // Subclass again for purposes of dialog editing mode
    SubclassWin(m_hWnd);

    SetPosition(pos);
    SetBestSize(size);

    return true;
}

bool wxBitmapButton::SetBackgroundColour(const wxColour& colour)
{
    if ( !wxBitmapButtonBase::SetBackgroundColour(colour) )
    {
        // didn't change
        return false;
    }

    // invalidate the brush, it will be recreated the next time it's needed
    m_brushDisabled = wxNullBrush;

    return true;
}

void wxBitmapButton::OnSysColourChanged(wxSysColourChangedEvent& event)
{
    m_brushDisabled = wxNullBrush;

    if ( !IsEnabled() )
    {
        // this change affects our current state
        Refresh();
    }

    event.Skip();
}

// VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
#define FOCUS_MARGIN 3

bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
{
#ifndef __WXWINCE__
    long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE);
    if (style & BS_BITMAP)
    {
        // Let default procedure draw the bitmap, which is defined
        // in the Windows resource.
        return false;
    }
#endif

    LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item;
    HDC hDC                = lpDIS->hDC;
    UINT state             = lpDIS->itemState;
    bool isSelected        = (state & ODS_SELECTED) != 0;
    bool autoDraw          = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;


    // choose the bitmap to use depending on the button state
    wxBitmap* bitmap;

    if ( isSelected && m_bmpSelected.Ok() )
        bitmap = &m_bmpSelected;
    else if ((state & ODS_FOCUS) && m_bmpFocus.Ok())
        bitmap = &m_bmpFocus;
    else if ((state & ODS_DISABLED) && m_bmpDisabled.Ok())
        bitmap = &m_bmpDisabled;
    else
        bitmap = &m_bmpNormal;

    if ( !bitmap->Ok() )
        return false;

    // centre the bitmap in the control area
    int x      = lpDIS->rcItem.left;
    int y      = lpDIS->rcItem.top;
    int width  = lpDIS->rcItem.right - x;
    int height = lpDIS->rcItem.bottom - y;
    int wBmp   = bitmap->GetWidth();
    int hBmp   = bitmap->GetHeight();

    int x1,y1;

    if(m_windowStyle & wxBU_LEFT)
        x1 = x + (FOCUS_MARGIN+1);
    else if(m_windowStyle & wxBU_RIGHT)
        x1 = x + (width - wBmp) - (FOCUS_MARGIN+1);
    else
        x1 = x + (width - wBmp) / 2;

    if(m_windowStyle & wxBU_TOP)
        y1 = y + (FOCUS_MARGIN+1);
    else if(m_windowStyle & wxBU_BOTTOM)
        y1 = y + (height - hBmp) - (FOCUS_MARGIN+1);
    else
        y1 = y + (height - hBmp) / 2;

    if ( isSelected && autoDraw )
    {
        x1++;
        y1++;
    }

    // draw the face, if auto-drawing
    if ( autoDraw )
    {
        DrawFace((WXHDC) hDC,
                 lpDIS->rcItem.left, lpDIS->rcItem.top,
                 lpDIS->rcItem.right, lpDIS->rcItem.bottom,
                 isSelected);
    }

    // draw the bitmap
    wxDC dst;
    dst.SetHDC((WXHDC) hDC, false);
    dst.DrawBitmap(*bitmap, x1, y1, true);

    // draw focus / disabled state, if auto-drawing
    if ( (state & ODS_DISABLED) && autoDraw )
    {
        DrawButtonDisable((WXHDC) hDC,
                          lpDIS->rcItem.left, lpDIS->rcItem.top,
                          lpDIS->rcItem.right, lpDIS->rcItem.bottom,
                          true);
    }
    else if ( (state & ODS_FOCUS) && autoDraw )
    {
        DrawButtonFocus((WXHDC) hDC,
                        lpDIS->rcItem.left,
                        lpDIS->rcItem.top,
                        lpDIS->rcItem.right,
                        lpDIS->rcItem.bottom,
                        isSelected);
    }

    return true;
}

// GRG Feb/2000, support for bmp buttons with Win95/98 standard LNF

#if defined(__WIN95__)

void wxBitmapButton::DrawFace( WXHDC dc, int left, int top,
    int right, int bottom, bool sel )
{
    HPEN oldp;
    HPEN penHiLight;
    HPEN penLight;
    HPEN penShadow;
    HPEN penDkShadow;
    HBRUSH brushFace;

    // create needed pens and brush
    penHiLight  = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DHILIGHT));
    penLight    = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DLIGHT));
    penShadow   = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DSHADOW));
    penDkShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DDKSHADOW));
    // brushFace   = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
    // Taking the background colour fits in better with
    // Windows XP themes.
    brushFace   = CreateSolidBrush(m_backgroundColour.m_pixel);

    // draw the rectangle
    RECT rect;
    rect.left   = left;
    rect.right  = right;
    rect.top    = top;
    rect.bottom = bottom;
    FillRect((HDC) dc, &rect, brushFace);

    // draw the border
    oldp = (HPEN) SelectObject( (HDC) dc, sel? penDkShadow : penHiLight);

    wxDrawLine((HDC) dc, left, top, right-1, top);
    wxDrawLine((HDC) dc, left, top+1, left, bottom-1);

    SelectObject( (HDC) dc, sel? penShadow : penLight);
    wxDrawLine((HDC) dc, left+1, top+1, right-2, top+1);
    wxDrawLine((HDC) dc, left+1, top+2, left+1, bottom-2);

    SelectObject( (HDC) dc, sel? penLight : penShadow);
    wxDrawLine((HDC) dc, left+1, bottom-2, right-1, bottom-2);
    wxDrawLine((HDC) dc, right-2, bottom-3, right-2, top);

    SelectObject( (HDC) dc, sel? penHiLight : penDkShadow);
    wxDrawLine((HDC) dc, left, bottom-1, right+2, bottom-1);
    wxDrawLine((HDC) dc, right-1, bottom-2, right-1, top-1);

    // delete allocated resources
    SelectObject((HDC) dc,oldp);
    DeleteObject(penHiLight);
    DeleteObject(penLight);
    DeleteObject(penShadow);
    DeleteObject(penDkShadow);
    DeleteObject(brushFace);
}

#else

void wxBitmapButton::DrawFace( WXHDC dc, int left, int top,
    int right, int bottom, bool sel )
{
    HPEN oldp;
    HPEN penBorder;
    HPEN penLight;
    HPEN penShadow;
    HBRUSH brushFace;

    // create needed pens and brush
    penBorder = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOWFRAME));
    penShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNSHADOW));
    penLight  = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNHIGHLIGHT));
    brushFace = CreateSolidBrush(COLOR_BTNFACE);

    // draw the rectangle
    RECT rect;
    rect.left   = left;
    rect.right  = right;
    rect.top    = top;
    rect.bottom = bottom;
    FillRect((HDC) dc, &rect, brushFace);

    // draw the border
    oldp = (HPEN) SelectObject( (HDC) dc, penBorder);
    MoveToEx((HDC) dc,left+1,top,NULL);LineTo((HDC) dc,right-1,top);
    MoveToEx((HDC) dc,left,top+1,NULL);LineTo((HDC) dc,left,bottom-1);
    MoveToEx((HDC) dc,left+1,bottom-1,NULL);LineTo((HDC) dc,right-1,bottom-1);
    MoveToEx((HDC) dc,right-1,top+1,NULL);LineTo((HDC) dc,right-1,bottom-1);

    SelectObject( (HDC) dc, penShadow);
    if (sel)
    {
        MoveToEx((HDC) dc,left+1    ,bottom-2   ,NULL);
        LineTo((HDC) dc,  left+1    ,top+1);
        LineTo((HDC) dc,  right-2   ,top+1);
    }
    else
    {
        MoveToEx((HDC) dc,left+1    ,bottom-2   ,NULL);
        LineTo((HDC) dc,  right-2   ,bottom-2);
        LineTo((HDC) dc,  right-2   ,top);

        MoveToEx((HDC) dc,left+2    ,bottom-3   ,NULL);
        LineTo((HDC) dc,  right-3   ,bottom-3);
        LineTo((HDC) dc,  right-3   ,top+1);

        SelectObject( (HDC) dc, penLight);

        MoveToEx((HDC) dc,left+1    ,bottom-2   ,NULL);
        LineTo((HDC) dc,  left+1    ,top+1);
        LineTo((HDC) dc,  right-2   ,top+1);
    }

    // delete allocated resources
    SelectObject((HDC) dc,oldp);
    DeleteObject(penBorder);
    DeleteObject(penLight);
    DeleteObject(penShadow);
    DeleteObject(brushFace);
}

#endif // defined(__WIN95__)


void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right,
    int bottom, bool WXUNUSED(sel) )
{
    RECT rect;
    rect.left = left;
    rect.top = top;
    rect.right = right;
    rect.bottom = bottom;
    InflateRect( &rect, - FOCUS_MARGIN, - FOCUS_MARGIN );

    // GRG: the focus rectangle should not move when the button is pushed!
/*
    if ( sel )
        OffsetRect( &rect, 1, 1 );
*/

    DrawFocusRect( (HDC) dc, &rect );
}

void
wxBitmapButton::DrawButtonDisable( WXHDC dc,
                                   int left, int top, int right, int bottom,
                                   bool with_marg )
{
    if ( !m_brushDisabled.Ok() )
    {
        // draw a bitmap with two black and two background colour pixels
        wxBitmap bmp(2, 2);
        wxMemoryDC dc;
        dc.SelectObject(bmp);
        dc.SetPen(*wxBLACK_PEN);
        dc.DrawPoint(0, 0);
        dc.DrawPoint(1, 1);
        dc.SetPen(GetBackgroundColour());
        dc.DrawPoint(0, 1);
        dc.DrawPoint(1, 0);

        m_brushDisabled = wxBrush(bmp);
    }

    SelectInHDC selectBrush((HDC)dc, GetHbrushOf(m_brushDisabled));

    // ROP for "dest |= pattern" operation -- as it doesn't have a standard
    // name, give it our own
    static const DWORD PATTERNPAINT = 0xFA0089UL;

    if ( with_marg )
    {
        left += m_marginX;
        top += m_marginY;
        right -= 2 * m_marginX;
        bottom -= 2 * m_marginY;
    }

    ::PatBlt( (HDC) dc, left, top, right, bottom, PATTERNPAINT);
}

void wxBitmapButton::SetDefault()
{
    wxButton::SetDefault();
}

wxSize wxBitmapButton::DoGetBestSize() const
{
    if ( m_bmpNormal.Ok() )
    {
        wxSize best(m_bmpNormal.GetWidth() + 2*m_marginX,
                      m_bmpNormal.GetHeight() + 2*m_marginY);
        CacheBestSize(best);
        return best;
    }

    // no idea what our best size should be, defer to the base class
    return wxBitmapButtonBase::DoGetBestSize();
}

#endif // wxUSE_BMPBUTTON
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/msw/bmpbuttn.cpp
	3	// Purpose: wxBitmapButton
	4	// Author: Julian Smart
	5	// Modified by:
	6	// Created: 04/01/98
	7	// RCS-ID: $Id$
	8	// Copyright: (c) Julian Smart
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	// For compilers that support precompilation, includes "wx.h".
	13	#include "wx/wxprec.h"
	14
	15	#ifdef __BORLANDC__
	16	#pragma hdrstop
	17	#endif
	18
	19	#if wxUSE_BMPBUTTON
	20
	21	#ifndef WX_PRECOMP
	22	#include "wx/bmpbuttn.h"
	23	#include "wx/log.h"
	24	#include "wx/dcmemory.h"
	25	#endif
	26
	27	#include "wx/msw/private.h"
	28	#include "wx/image.h"
	29
	30	// ----------------------------------------------------------------------------
	31	// macros
	32	// ----------------------------------------------------------------------------
	33
	34	#if wxUSE_EXTENDED_RTTI
	35
	36	WX_DEFINE_FLAGS( wxBitmapButtonStyle )
	37
	38	wxBEGIN_FLAGS( wxBitmapButtonStyle )
	39	// new style border flags, we put them first to
	40	// use them for streaming out
	41	wxFLAGS_MEMBER(wxBORDER_SIMPLE)
	42	wxFLAGS_MEMBER(wxBORDER_SUNKEN)
	43	wxFLAGS_MEMBER(wxBORDER_DOUBLE)
	44	wxFLAGS_MEMBER(wxBORDER_RAISED)
	45	wxFLAGS_MEMBER(wxBORDER_STATIC)
	46	wxFLAGS_MEMBER(wxBORDER_NONE)
	47
	48	// old style border flags
	49	wxFLAGS_MEMBER(wxSIMPLE_BORDER)
	50	wxFLAGS_MEMBER(wxSUNKEN_BORDER)
	51	wxFLAGS_MEMBER(wxDOUBLE_BORDER)
	52	wxFLAGS_MEMBER(wxRAISED_BORDER)
	53	wxFLAGS_MEMBER(wxSTATIC_BORDER)
	54	wxFLAGS_MEMBER(wxBORDER)
	55
	56	// standard window styles
	57	wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
	58	wxFLAGS_MEMBER(wxCLIP_CHILDREN)
	59	wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
	60	wxFLAGS_MEMBER(wxWANTS_CHARS)
	61	wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
	62	wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
	63	wxFLAGS_MEMBER(wxVSCROLL)
	64	wxFLAGS_MEMBER(wxHSCROLL)
	65
	66	wxFLAGS_MEMBER(wxBU_AUTODRAW)
	67	wxFLAGS_MEMBER(wxBU_LEFT)
	68	wxFLAGS_MEMBER(wxBU_RIGHT)
	69	wxFLAGS_MEMBER(wxBU_TOP)
	70	wxFLAGS_MEMBER(wxBU_BOTTOM)
	71	wxEND_FLAGS( wxBitmapButtonStyle )
	72
	73	IMPLEMENT_DYNAMIC_CLASS_XTI(wxBitmapButton, wxButton,"wx/bmpbuttn.h")
	74
	75	wxBEGIN_PROPERTIES_TABLE(wxBitmapButton)
	76	wxPROPERTY_FLAGS( WindowStyle , wxBitmapButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /flags/ , wxT("Helpstring") , wxT("group")) // style
	77	wxEND_PROPERTIES_TABLE()
	78
	79	wxBEGIN_HANDLERS_TABLE(wxBitmapButton)
	80	wxEND_HANDLERS_TABLE()
	81
	82	wxCONSTRUCTOR_5( wxBitmapButton , wxWindow* , Parent , wxWindowID , Id , wxBitmap , Bitmap , wxPoint , Position , wxSize , Size )
	83
	84	#else
	85	IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
	86	#endif
	87
	88	BEGIN_EVENT_TABLE(wxBitmapButton, wxBitmapButtonBase)
	89	EVT_SYS_COLOUR_CHANGED(wxBitmapButton::OnSysColourChanged)
	90	END_EVENT_TABLE()
	91
	92	/*
	93	TODO PROPERTIES :
	94
	95	long "style" , wxBU_AUTODRAW
	96	bool "default" , 0
	97	bitmap "selected" ,
	98	bitmap "focus" ,
	99	bitmap "disabled" ,
	100	*/
	101
	102	bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id,
	103	const wxBitmap& bitmap,
	104	const wxPoint& pos,
	105	const wxSize& size, long style,
	106	const wxValidator& wxVALIDATOR_PARAM(validator),
	107	const wxString& name)
	108	{
	109	m_bmpNormal = bitmap;
	110	SetName(name);
	111
	112	#if wxUSE_VALIDATORS
	113	SetValidator(validator);
	114	#endif // wxUSE_VALIDATORS
	115
	116	parent->AddChild(this);
	117
	118	m_backgroundColour = parent->GetBackgroundColour();
	119	m_foregroundColour = parent->GetForegroundColour();
	120	m_windowStyle = style;
	121
	122	if ( style & wxBU_AUTODRAW )
	123	{
	124	m_marginX = wxDEFAULT_BUTTON_MARGIN;
	125	m_marginY = wxDEFAULT_BUTTON_MARGIN;
	126	}
	127
	128	if (id == wxID_ANY)
	129	m_windowId = NewControlId();
	130	else
	131	m_windowId = id;
	132
	133	long msStyle = WS_VISIBLE \| WS_TABSTOP \| WS_CHILD \| BS_OWNERDRAW ;
	134
	135	if ( m_windowStyle & wxCLIP_SIBLINGS )
	136	msStyle \|= WS_CLIPSIBLINGS;
	137
	138	#ifdef __WIN32__
	139	if(m_windowStyle & wxBU_LEFT)
	140	msStyle \|= BS_LEFT;
	141	if(m_windowStyle & wxBU_RIGHT)
	142	msStyle \|= BS_RIGHT;
	143	if(m_windowStyle & wxBU_TOP)
	144	msStyle \|= BS_TOP;
	145	if(m_windowStyle & wxBU_BOTTOM)
	146	msStyle \|= BS_BOTTOM;
	147	#endif
	148
	149	m_hWnd = (WXHWND) CreateWindowEx(
	150	0,
	151	wxT("BUTTON"),
	152	wxEmptyString,
	153	msStyle,
	154	0, 0, 0, 0,
	155	GetWinHwnd(parent),
	156	(HMENU)m_windowId,
	157	wxGetInstance(),
	158	NULL
	159	);
	160
	161	// Subclass again for purposes of dialog editing mode
	162	SubclassWin(m_hWnd);
	163
	164	SetPosition(pos);
	165	SetBestSize(size);
	166
	167	return true;
	168	}
	169
	170	bool wxBitmapButton::SetBackgroundColour(const wxColour& colour)
	171	{
	172	if ( !wxBitmapButtonBase::SetBackgroundColour(colour) )
	173	{
	174	// didn't change
	175	return false;
	176	}
	177
	178	// invalidate the brush, it will be recreated the next time it's needed
	179	m_brushDisabled = wxNullBrush;
	180
	181	return true;
	182	}
	183
	184	void wxBitmapButton::OnSysColourChanged(wxSysColourChangedEvent& event)
	185	{
	186	m_brushDisabled = wxNullBrush;
	187
	188	if ( !IsEnabled() )
	189	{
	190	// this change affects our current state
	191	Refresh();
	192	}
	193
	194	event.Skip();
	195	}
	196
	197	// VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
	198	#define FOCUS_MARGIN 3
	199
	200	bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
	201	{
	202	#ifndef __WXWINCE__
	203	long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE);
	204	if (style & BS_BITMAP)
	205	{
	206	// Let default procedure draw the bitmap, which is defined
	207	// in the Windows resource.
	208	return false;
	209	}
	210	#endif
	211
	212	LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item;
	213	HDC hDC = lpDIS->hDC;
	214	UINT state = lpDIS->itemState;
	215	bool isSelected = (state & ODS_SELECTED) != 0;
	216	bool autoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;
	217
	218
	219	// choose the bitmap to use depending on the button state
	220	wxBitmap* bitmap;
	221
	222	if ( isSelected && m_bmpSelected.Ok() )
	223	bitmap = &m_bmpSelected;
	224	else if ((state & ODS_FOCUS) && m_bmpFocus.Ok())
	225	bitmap = &m_bmpFocus;
	226	else if ((state & ODS_DISABLED) && m_bmpDisabled.Ok())
	227	bitmap = &m_bmpDisabled;
	228	else
	229	bitmap = &m_bmpNormal;
	230
	231	if ( !bitmap->Ok() )
	232	return false;
	233
	234	// centre the bitmap in the control area
	235	int x = lpDIS->rcItem.left;
	236	int y = lpDIS->rcItem.top;
	237	int width = lpDIS->rcItem.right - x;
	238	int height = lpDIS->rcItem.bottom - y;
	239	int wBmp = bitmap->GetWidth();
	240	int hBmp = bitmap->GetHeight();
	241
	242	int x1,y1;
	243
	244	if(m_windowStyle & wxBU_LEFT)
	245	x1 = x + (FOCUS_MARGIN+1);
	246	else if(m_windowStyle & wxBU_RIGHT)
	247	x1 = x + (width - wBmp) - (FOCUS_MARGIN+1);
	248	else
	249	x1 = x + (width - wBmp) / 2;
	250
	251	if(m_windowStyle & wxBU_TOP)
	252	y1 = y + (FOCUS_MARGIN+1);
	253	else if(m_windowStyle & wxBU_BOTTOM)
	254	y1 = y + (height - hBmp) - (FOCUS_MARGIN+1);
	255	else
	256	y1 = y + (height - hBmp) / 2;
	257
	258	if ( isSelected && autoDraw )
	259	{
	260	x1++;
	261	y1++;
	262	}
	263
	264	// draw the face, if auto-drawing
	265	if ( autoDraw )
	266	{
	267	DrawFace((WXHDC) hDC,
	268	lpDIS->rcItem.left, lpDIS->rcItem.top,
	269	lpDIS->rcItem.right, lpDIS->rcItem.bottom,
	270	isSelected);
	271	}
	272
	273	// draw the bitmap
	274	wxDC dst;
	275	dst.SetHDC((WXHDC) hDC, false);
	276	dst.DrawBitmap(*bitmap, x1, y1, true);
	277
	278	// draw focus / disabled state, if auto-drawing
	279	if ( (state & ODS_DISABLED) && autoDraw )
	280	{
	281	DrawButtonDisable((WXHDC) hDC,
	282	lpDIS->rcItem.left, lpDIS->rcItem.top,
	283	lpDIS->rcItem.right, lpDIS->rcItem.bottom,
	284	true);
	285	}
	286	else if ( (state & ODS_FOCUS) && autoDraw )
	287	{
	288	DrawButtonFocus((WXHDC) hDC,
	289	lpDIS->rcItem.left,
	290	lpDIS->rcItem.top,
	291	lpDIS->rcItem.right,
	292	lpDIS->rcItem.bottom,
	293	isSelected);
	294	}
	295
	296	return true;
	297	}
	298
	299	// GRG Feb/2000, support for bmp buttons with Win95/98 standard LNF
	300
	301	#if defined(__WIN95__)
	302
	303	void wxBitmapButton::DrawFace( WXHDC dc, int left, int top,
	304	int right, int bottom, bool sel )
	305	{
	306	HPEN oldp;
	307	HPEN penHiLight;
	308	HPEN penLight;
	309	HPEN penShadow;
	310	HPEN penDkShadow;
	311	HBRUSH brushFace;
	312
	313	// create needed pens and brush
	314	penHiLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DHILIGHT));
	315	penLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DLIGHT));
	316	penShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DSHADOW));
	317	penDkShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DDKSHADOW));
	318	// brushFace = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
	319	// Taking the background colour fits in better with
	320	// Windows XP themes.
	321	brushFace = CreateSolidBrush(m_backgroundColour.m_pixel);
	322
	323	// draw the rectangle
	324	RECT rect;
	325	rect.left = left;
	326	rect.right = right;
	327	rect.top = top;
	328	rect.bottom = bottom;
	329	FillRect((HDC) dc, &rect, brushFace);
	330
	331	// draw the border
	332	oldp = (HPEN) SelectObject( (HDC) dc, sel? penDkShadow : penHiLight);
	333
	334	wxDrawLine((HDC) dc, left, top, right-1, top);
	335	wxDrawLine((HDC) dc, left, top+1, left, bottom-1);
	336
	337	SelectObject( (HDC) dc, sel? penShadow : penLight);
	338	wxDrawLine((HDC) dc, left+1, top+1, right-2, top+1);
	339	wxDrawLine((HDC) dc, left+1, top+2, left+1, bottom-2);
	340
	341	SelectObject( (HDC) dc, sel? penLight : penShadow);
	342	wxDrawLine((HDC) dc, left+1, bottom-2, right-1, bottom-2);
	343	wxDrawLine((HDC) dc, right-2, bottom-3, right-2, top);
	344
	345	SelectObject( (HDC) dc, sel? penHiLight : penDkShadow);
	346	wxDrawLine((HDC) dc, left, bottom-1, right+2, bottom-1);
	347	wxDrawLine((HDC) dc, right-1, bottom-2, right-1, top-1);
	348
	349	// delete allocated resources
	350	SelectObject((HDC) dc,oldp);
	351	DeleteObject(penHiLight);
	352	DeleteObject(penLight);
	353	DeleteObject(penShadow);
	354	DeleteObject(penDkShadow);
	355	DeleteObject(brushFace);
	356	}
	357
	358	#else
	359
	360	void wxBitmapButton::DrawFace( WXHDC dc, int left, int top,
	361	int right, int bottom, bool sel )
	362	{
	363	HPEN oldp;
	364	HPEN penBorder;
	365	HPEN penLight;
	366	HPEN penShadow;
	367	HBRUSH brushFace;
	368
	369	// create needed pens and brush
	370	penBorder = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOWFRAME));
	371	penShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNSHADOW));
	372	penLight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_BTNHIGHLIGHT));
	373	brushFace = CreateSolidBrush(COLOR_BTNFACE);
	374
	375	// draw the rectangle
	376	RECT rect;
	377	rect.left = left;
	378	rect.right = right;
	379	rect.top = top;
	380	rect.bottom = bottom;
	381	FillRect((HDC) dc, &rect, brushFace);
	382
	383	// draw the border
	384	oldp = (HPEN) SelectObject( (HDC) dc, penBorder);
	385	MoveToEx((HDC) dc,left+1,top,NULL);LineTo((HDC) dc,right-1,top);
	386	MoveToEx((HDC) dc,left,top+1,NULL);LineTo((HDC) dc,left,bottom-1);
	387	MoveToEx((HDC) dc,left+1,bottom-1,NULL);LineTo((HDC) dc,right-1,bottom-1);
	388	MoveToEx((HDC) dc,right-1,top+1,NULL);LineTo((HDC) dc,right-1,bottom-1);
	389
	390	SelectObject( (HDC) dc, penShadow);
	391	if (sel)
	392	{
	393	MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL);
	394	LineTo((HDC) dc, left+1 ,top+1);
	395	LineTo((HDC) dc, right-2 ,top+1);
	396	}
	397	else
	398	{
	399	MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL);
	400	LineTo((HDC) dc, right-2 ,bottom-2);
	401	LineTo((HDC) dc, right-2 ,top);
	402
	403	MoveToEx((HDC) dc,left+2 ,bottom-3 ,NULL);
	404	LineTo((HDC) dc, right-3 ,bottom-3);
	405	LineTo((HDC) dc, right-3 ,top+1);
	406
	407	SelectObject( (HDC) dc, penLight);
	408
	409	MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL);
	410	LineTo((HDC) dc, left+1 ,top+1);
	411	LineTo((HDC) dc, right-2 ,top+1);
	412	}
	413
	414	// delete allocated resources
	415	SelectObject((HDC) dc,oldp);
	416	DeleteObject(penBorder);
	417	DeleteObject(penLight);
	418	DeleteObject(penShadow);
	419	DeleteObject(brushFace);
	420	}
	421
	422	#endif // defined(__WIN95__)
	423
	424
	425	void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right,
	426	int bottom, bool WXUNUSED(sel) )
	427	{
	428	RECT rect;
	429	rect.left = left;
	430	rect.top = top;
	431	rect.right = right;
	432	rect.bottom = bottom;
	433	InflateRect( &rect, - FOCUS_MARGIN, - FOCUS_MARGIN );
	434
	435	// GRG: the focus rectangle should not move when the button is pushed!
	436	/*
	437	if ( sel )
	438	OffsetRect( &rect, 1, 1 );
	439	*/
	440
	441	DrawFocusRect( (HDC) dc, &rect );
	442	}
	443
	444	void
	445	wxBitmapButton::DrawButtonDisable( WXHDC dc,
	446	int left, int top, int right, int bottom,
	447	bool with_marg )
	448	{
	449	if ( !m_brushDisabled.Ok() )
	450	{
	451	// draw a bitmap with two black and two background colour pixels
	452	wxBitmap bmp(2, 2);
	453	wxMemoryDC dc;
	454	dc.SelectObject(bmp);
	455	dc.SetPen(*wxBLACK_PEN);
	456	dc.DrawPoint(0, 0);
	457	dc.DrawPoint(1, 1);
	458	dc.SetPen(GetBackgroundColour());
	459	dc.DrawPoint(0, 1);
	460	dc.DrawPoint(1, 0);
	461
	462	m_brushDisabled = wxBrush(bmp);
	463	}
	464
	465	SelectInHDC selectBrush((HDC)dc, GetHbrushOf(m_brushDisabled));
	466
	467	// ROP for "dest \|= pattern" operation -- as it doesn't have a standard
	468	// name, give it our own
	469	static const DWORD PATTERNPAINT = 0xFA0089UL;
	470
	471	if ( with_marg )
	472	{
	473	left += m_marginX;
	474	top += m_marginY;
	475	right -= 2 * m_marginX;
	476	bottom -= 2 * m_marginY;
	477	}
	478
	479	::PatBlt( (HDC) dc, left, top, right, bottom, PATTERNPAINT);
	480	}
	481
	482	void wxBitmapButton::SetDefault()
	483	{
	484	wxButton::SetDefault();
	485	}
	486
	487	wxSize wxBitmapButton::DoGetBestSize() const
	488	{
	489	if ( m_bmpNormal.Ok() )
	490	{
	491	wxSize best(m_bmpNormal.GetWidth() + 2*m_marginX,
	492	m_bmpNormal.GetHeight() + 2*m_marginY);
	493	CacheBestSize(best);
	494	return best;
	495	}
	496
	497	// no idea what our best size should be, defer to the base class
	498	return wxBitmapButtonBase::DoGetBestSize();
	499	}
	500
	501	#endif // wxUSE_BMPBUTTON
	502