src/msw/bmpbuttn.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        bmpbuttn.cpp
// Purpose:     wxBitmapButton
// 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 "bmpbuttn.h"
#endif

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

#ifdef __BORLANDC__
#pragma hdrstop
#endif

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

#include "wx/msw/private.h"

#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
#endif

#define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1)

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

  parent->AddChild(this);

  m_backgroundColour = parent->GetBackgroundColour() ;
  m_foregroundColour = parent->GetForegroundColour() ;
  m_windowStyle = style;
  m_marginX = 0;
  m_marginY = 0;

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

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

  if (id == -1)
    m_windowId = NewControlId();
  else
    m_windowId = id;

  if ( width == -1 && bitmap.Ok())
    width = bitmap.GetWidth() + 2*m_marginX;

  if ( height == -1 && bitmap.Ok())
    height = bitmap.GetHeight() + 2*m_marginY;

  m_hWnd = (WXHWND)CreateWindowEx
                   (
                    0,
                    _T("BUTTON"),
                    _T(""),
                    WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ,
                    0, 0, 0, 0,
                    GetWinHwnd(parent),
                    (HMENU)m_windowId,
                    wxGetInstance(),
                    NULL
                   );

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

  SetFont(parent->GetFont()) ;

  SetSize(x, y, width, height);

  return TRUE;
}

void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
{
  m_buttonBitmap = bitmap;
}

bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
{
#if defined(__WIN95__)
    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;

    wxBitmap* bitmap = &m_buttonBitmap;

    UINT state = lpDIS->itemState;
    if ((state & ODS_SELECTED) && m_buttonBitmapSelected.Ok())
        bitmap = &m_buttonBitmapSelected;
    else if ((state & ODS_FOCUS) && m_buttonBitmapFocus.Ok())
        bitmap = &m_buttonBitmapFocus;
    else if ((state & ODS_DISABLED) && m_buttonBitmapDisabled.Ok())
        bitmap = &m_buttonBitmapDisabled;

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

    HDC hDC = lpDIS->hDC;
    HDC memDC = ::CreateCompatibleDC(hDC);

    HBITMAP old = (HBITMAP) ::SelectObject(memDC, (HBITMAP) bitmap->GetHBITMAP());

    if (!old)
        return FALSE;

    int x = lpDIS->rcItem.left;
    int y = lpDIS->rcItem.top;
    int width = lpDIS->rcItem.right - x;
    int height = lpDIS->rcItem.bottom - y;

    // Draw the face, if auto-drawing
    if ( GetWindowStyleFlag() & wxBU_AUTODRAW )
        DrawFace((WXHDC) hDC, lpDIS->rcItem.left, lpDIS->rcItem.top, lpDIS->rcItem.right, lpDIS->rcItem.bottom,
            ((state & ODS_SELECTED) == ODS_SELECTED));

    // Centre the bitmap in the control area
    int x1 = (int) (x + ((width - bitmap->GetWidth()) / 2));
    int y1 = (int) (y + ((height - bitmap->GetHeight()) / 2));

    if ( (state & ODS_SELECTED) && (GetWindowStyleFlag() & wxBU_AUTODRAW) )
    {
        x1 ++;
        y1 ++;
    }

    ::BitBlt(hDC, x1, y1, bitmap->GetWidth(), bitmap->GetHeight(), memDC, 0, 0, SRCCOPY);

    if ( (state & ODS_DISABLED) && (GetWindowStyleFlag() & wxBU_AUTODRAW) )
        DrawButtonDisable( (WXHDC) hDC, lpDIS->rcItem.left, lpDIS->rcItem.top, lpDIS->rcItem.right, lpDIS->rcItem.bottom, TRUE ) ;
    else if ( (state & ODS_FOCUS) && (GetWindowStyleFlag() & wxBU_AUTODRAW) )
        DrawButtonFocus( (WXHDC) hDC, lpDIS->rcItem.left, lpDIS->rcItem.top, lpDIS->rcItem.right, lpDIS->rcItem.bottom, ((state & ODS_SELECTED) == ODS_SELECTED));

    ::SelectObject(memDC, old);

    ::DeleteDC(memDC);

    return TRUE;
}

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

  HPEN penBorder;
  HPEN penLight;
  HPEN penShadow;
  HBRUSH brushFace;
  COLORREF ms_color;

    ms_color = GetSysColor(COLOR_WINDOWFRAME) ;
    penBorder = CreatePen(PS_SOLID,0,ms_color) ;

    ms_color = GetSysColor(COLOR_BTNSHADOW) ;
    penShadow = CreatePen(PS_SOLID,0,ms_color) ;

    ms_color = GetSysColor(COLOR_BTNHIGHLIGHT) ;
    penLight = CreatePen(PS_SOLID,0,ms_color) ;

    ms_color = GetSysColor(COLOR_BTNFACE) ;
    brushFace = CreateSolidBrush(ms_color) ;

    oldp = (HPEN) SelectObject( (HDC) dc, GetStockObject( NULL_PEN ) ) ;
    oldb = (HBRUSH) SelectObject( (HDC) dc, brushFace ) ;
    Rectangle( (HDC) dc, left, top, right, bottom ) ;
    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) ;
    }
    SelectObject((HDC) dc,oldp) ;
    SelectObject((HDC) dc,oldb) ;

  DeleteObject(penBorder);
  DeleteObject(penLight);
  DeleteObject(penShadow);
  DeleteObject(brushFace);
}

#define FOCUS_MARGIN 6

void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right, int bottom, bool sel )
{
    RECT rect;
    rect.left = left;
    rect.top = top;
    rect.right = right;
    rect.bottom = bottom;
    InflateRect( &rect, - FOCUS_MARGIN, - FOCUS_MARGIN ) ;
    if ( sel )
        OffsetRect( &rect, 1, 1 ) ;
    DrawFocusRect( (HDC) dc, &rect ) ;
}

extern HBRUSH wxDisableButtonBrush;
void wxBitmapButton::DrawButtonDisable( WXHDC dc, int left, int top, int right, int bottom, bool with_marg )
{
    HBRUSH  old = (HBRUSH) SelectObject( (HDC) dc, wxDisableButtonBrush ) ;

    if ( with_marg )
        ::PatBlt( (HDC) dc, left + m_marginX, top + m_marginY,
            right - 2 * m_marginX, bottom - 2 * m_marginY,
#ifdef __SALFORDC__
                0xfa0089L ) ;
#else
                0xfa0089UL ) ;
#endif
    else    ::PatBlt( (HDC) dc, left, top, right, bottom,
#ifdef __SALFORDC__
       0xfa0089L ) ;
#else
       0xfa0089UL ) ;
#endif
    ::SelectObject( (HDC) dc, old ) ;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: 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 and Markus Holzem
	9	// Licence: wxWindows license
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifdef __GNUG__
	13	#pragma implementation "bmpbuttn.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/bmpbuttn.h"
	25	#endif
	26
	27	#include "wx/msw/private.h"
	28
	29	#if !USE_SHARED_LIBRARY
	30	IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
	31	#endif
	32
	33	#define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1)
	34
	35	bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap,
	36	const wxPoint& pos,
	37	const wxSize& size, long style,
	38	const wxValidator& validator,
	39	const wxString& name)
	40	{
	41	m_buttonBitmap = bitmap;
	42	SetName(name);
	43	SetValidator(validator);
	44
	45	parent->AddChild(this);
	46
	47	m_backgroundColour = parent->GetBackgroundColour() ;
	48	m_foregroundColour = parent->GetForegroundColour() ;
	49	m_windowStyle = style;
	50	m_marginX = 0;
	51	m_marginY = 0;
	52
	53	if ( style & wxBU_AUTODRAW )
	54	{
	55	m_marginX = wxDEFAULT_BUTTON_MARGIN;
	56	m_marginY = wxDEFAULT_BUTTON_MARGIN;
	57	}
	58
	59	int x = pos.x;
	60	int y = pos.y;
	61	int width = size.x;
	62	int height = size.y;
	63
	64	if (id == -1)
	65	m_windowId = NewControlId();
	66	else
	67	m_windowId = id;
	68
	69	if ( width == -1 && bitmap.Ok())
	70	width = bitmap.GetWidth() + 2*m_marginX;
	71
	72	if ( height == -1 && bitmap.Ok())
	73	height = bitmap.GetHeight() + 2*m_marginY;
	74
	75	m_hWnd = (WXHWND)CreateWindowEx
	76	(
	77	0,
	78	_T("BUTTON"),
	79	_T(""),
	80	WS_VISIBLE \| WS_TABSTOP \| WS_CHILD \| BS_OWNERDRAW ,
	81	0, 0, 0, 0,
	82	GetWinHwnd(parent),
	83	(HMENU)m_windowId,
	84	wxGetInstance(),
	85	NULL
	86	);
	87
	88	// Subclass again for purposes of dialog editing mode
	89	SubclassWin(m_hWnd);
	90
	91	SetFont(parent->GetFont()) ;
	92
	93	SetSize(x, y, width, height);
	94
	95	return TRUE;
	96	}
	97
	98	void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
	99	{
	100	m_buttonBitmap = bitmap;
	101	}
	102
	103	bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
	104	{
	105	#if defined(__WIN95__)
	106	long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE);
	107	if (style & BS_BITMAP)
	108	{
	109	// Let default procedure draw the bitmap, which is defined
	110	// in the Windows resource.
	111	return FALSE;
	112	}
	113	#endif
	114
	115	LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item;
	116
	117	wxBitmap* bitmap = &m_buttonBitmap;
	118
	119	UINT state = lpDIS->itemState;
	120	if ((state & ODS_SELECTED) && m_buttonBitmapSelected.Ok())
	121	bitmap = &m_buttonBitmapSelected;
	122	else if ((state & ODS_FOCUS) && m_buttonBitmapFocus.Ok())
	123	bitmap = &m_buttonBitmapFocus;
	124	else if ((state & ODS_DISABLED) && m_buttonBitmapDisabled.Ok())
	125	bitmap = &m_buttonBitmapDisabled;
	126
	127	if ( !bitmap->Ok() )
	128	return FALSE;
	129
	130	HDC hDC = lpDIS->hDC;
	131	HDC memDC = ::CreateCompatibleDC(hDC);
	132
	133	HBITMAP old = (HBITMAP) ::SelectObject(memDC, (HBITMAP) bitmap->GetHBITMAP());
	134
	135	if (!old)
	136	return FALSE;
	137
	138	int x = lpDIS->rcItem.left;
	139	int y = lpDIS->rcItem.top;
	140	int width = lpDIS->rcItem.right - x;
	141	int height = lpDIS->rcItem.bottom - y;
	142
	143	// Draw the face, if auto-drawing
	144	if ( GetWindowStyleFlag() & wxBU_AUTODRAW )
	145	DrawFace((WXHDC) hDC, lpDIS->rcItem.left, lpDIS->rcItem.top, lpDIS->rcItem.right, lpDIS->rcItem.bottom,
	146	((state & ODS_SELECTED) == ODS_SELECTED));
	147
	148	// Centre the bitmap in the control area
	149	int x1 = (int) (x + ((width - bitmap->GetWidth()) / 2));
	150	int y1 = (int) (y + ((height - bitmap->GetHeight()) / 2));
	151
	152	if ( (state & ODS_SELECTED) && (GetWindowStyleFlag() & wxBU_AUTODRAW) )
	153	{
	154	x1 ++;
	155	y1 ++;
	156	}
	157
	158	::BitBlt(hDC, x1, y1, bitmap->GetWidth(), bitmap->GetHeight(), memDC, 0, 0, SRCCOPY);
	159
	160	if ( (state & ODS_DISABLED) && (GetWindowStyleFlag() & wxBU_AUTODRAW) )
	161	DrawButtonDisable( (WXHDC) hDC, lpDIS->rcItem.left, lpDIS->rcItem.top, lpDIS->rcItem.right, lpDIS->rcItem.bottom, TRUE ) ;
	162	else if ( (state & ODS_FOCUS) && (GetWindowStyleFlag() & wxBU_AUTODRAW) )
	163	DrawButtonFocus( (WXHDC) hDC, lpDIS->rcItem.left, lpDIS->rcItem.top, lpDIS->rcItem.right, lpDIS->rcItem.bottom, ((state & ODS_SELECTED) == ODS_SELECTED));
	164
	165	::SelectObject(memDC, old);
	166
	167	::DeleteDC(memDC);
	168
	169	return TRUE;
	170	}
	171
	172	void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int bottom, bool sel )
	173	{
	174	HPEN oldp;
	175	HBRUSH oldb ;
	176
	177	HPEN penBorder;
	178	HPEN penLight;
	179	HPEN penShadow;
	180	HBRUSH brushFace;
	181	COLORREF ms_color;
	182
	183	ms_color = GetSysColor(COLOR_WINDOWFRAME) ;
	184	penBorder = CreatePen(PS_SOLID,0,ms_color) ;
	185
	186	ms_color = GetSysColor(COLOR_BTNSHADOW) ;
	187	penShadow = CreatePen(PS_SOLID,0,ms_color) ;
	188
	189	ms_color = GetSysColor(COLOR_BTNHIGHLIGHT) ;
	190	penLight = CreatePen(PS_SOLID,0,ms_color) ;
	191
	192	ms_color = GetSysColor(COLOR_BTNFACE) ;
	193	brushFace = CreateSolidBrush(ms_color) ;
	194
	195	oldp = (HPEN) SelectObject( (HDC) dc, GetStockObject( NULL_PEN ) ) ;
	196	oldb = (HBRUSH) SelectObject( (HDC) dc, brushFace ) ;
	197	Rectangle( (HDC) dc, left, top, right, bottom ) ;
	198	SelectObject( (HDC) dc, penBorder) ;
	199	MoveToEx((HDC) dc,left+1,top,NULL);LineTo((HDC) dc,right-1,top);
	200	MoveToEx((HDC) dc,left,top+1,NULL);LineTo((HDC) dc,left,bottom-1);
	201	MoveToEx((HDC) dc,left+1,bottom-1,NULL);LineTo((HDC) dc,right-1,bottom-1);
	202	MoveToEx((HDC) dc,right-1,top+1,NULL);LineTo((HDC) dc,right-1,bottom-1);
	203
	204	SelectObject( (HDC) dc, penShadow) ;
	205	if (sel)
	206	{
	207	MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL) ;
	208	LineTo((HDC) dc, left+1 ,top+1) ;
	209	LineTo((HDC) dc, right-2 ,top+1) ;
	210	}
	211	else
	212	{
	213	MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL) ;
	214	LineTo((HDC) dc, right-2 ,bottom-2) ;
	215	LineTo((HDC) dc, right-2 ,top) ;
	216	MoveToEx((HDC) dc,left+2 ,bottom-3 ,NULL) ;
	217	LineTo((HDC) dc, right-3 ,bottom-3) ;
	218	LineTo((HDC) dc, right-3 ,top+1) ;
	219
	220	SelectObject( (HDC) dc, penLight) ;
	221
	222	MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL) ;
	223	LineTo((HDC) dc, left+1 ,top+1) ;
	224	LineTo((HDC) dc, right-2 ,top+1) ;
	225	}
	226	SelectObject((HDC) dc,oldp) ;
	227	SelectObject((HDC) dc,oldb) ;
	228
	229	DeleteObject(penBorder);
	230	DeleteObject(penLight);
	231	DeleteObject(penShadow);
	232	DeleteObject(brushFace);
	233	}
	234
	235	#define FOCUS_MARGIN 6
	236
	237	void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right, int bottom, bool sel )
	238	{
	239	RECT rect;
	240	rect.left = left;
	241	rect.top = top;
	242	rect.right = right;
	243	rect.bottom = bottom;
	244	InflateRect( &rect, - FOCUS_MARGIN, - FOCUS_MARGIN ) ;
	245	if ( sel )
	246	OffsetRect( &rect, 1, 1 ) ;
	247	DrawFocusRect( (HDC) dc, &rect ) ;
	248	}
	249
	250	extern HBRUSH wxDisableButtonBrush;
	251	void wxBitmapButton::DrawButtonDisable( WXHDC dc, int left, int top, int right, int bottom, bool with_marg )
	252	{
	253	HBRUSH old = (HBRUSH) SelectObject( (HDC) dc, wxDisableButtonBrush ) ;
	254
	255	if ( with_marg )
	256	::PatBlt( (HDC) dc, left + m_marginX, top + m_marginY,
	257	right - 2 * m_marginX, bottom - 2 * m_marginY,
	258	#ifdef __SALFORDC__
	259	0xfa0089L ) ;
	260	#else
	261	0xfa0089UL ) ;
	262	#endif
	263	else ::PatBlt( (HDC) dc, left, top, right, bottom,
	264	#ifdef __SALFORDC__
	265	0xfa0089L ) ;
	266	#else
	267	0xfa0089UL ) ;
	268	#endif
	269	::SelectObject( (HDC) dc, old ) ;
	270	}
	271