]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/bmpbuttn.cpp
don't try to paint hidden windows
[wxWidgets.git] / src / msw / bmpbuttn.cpp
index aadb873906960243e994050a8ca8c1c03dbdf710..b82972500eaeb3ba14bd02d360e8308c21374792 100644 (file)
@@ -9,10 +9,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "bmpbuttn.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 
 #if wxUSE_BMPBUTTON
 
+#include "wx/bmpbuttn.h"
+
 #ifndef WX_PRECOMP
-    #include "wx/bmpbuttn.h"
     #include "wx/log.h"
     #include "wx/dcmemory.h"
+    #include "wx/image.h"
 #endif
 
 #include "wx/msw/private.h"
 
+#include "wx/msw/uxtheme.h"
+
+#if wxUSE_UXTHEME
+    // no need to include tmschema.h
+    #ifndef BP_PUSHBUTTON
+        #define BP_PUSHBUTTON 1
+
+        #define PBS_NORMAL    1
+        #define PBS_HOT       2
+        #define PBS_PRESSED   3
+        #define PBS_DISABLED  4
+        #define PBS_DEFAULTED 5
+
+        #define TMT_CONTENTMARGINS 3602
+    #endif
+#endif // wxUSE_UXTHEME
+
+#ifndef ODS_NOFOCUSRECT
+    #define ODS_NOFOCUSRECT     0x0200
+#endif
+
+// ----------------------------------------------------------------------------
+// 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)
+    EVT_ENTER_WINDOW(wxBitmapButton::OnMouseEnterOrLeave)
+    EVT_LEAVE_WINDOW(wxBitmapButton::OnMouseEnterOrLeave)
+END_EVENT_TABLE()
 
 /*
 TODO PROPERTIES :
@@ -42,50 +123,36 @@ bitmap "focus" ,
 bitmap "disabled" ,
 */
 
-#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)
+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);
+    m_bmpNormal = bitmap;
+    SetName(name);
 
 #if wxUSE_VALIDATORS
-  SetValidator(validator);
+    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;
-  }
+    parent->AddChild(this);
 
-  int x = pos.x;
-  int y = pos.y;
-  int width = size.x;
-  int height = size.y;
+    m_windowStyle = style;
 
-  if (id == -1)
-    m_windowId = NewControlId();
-  else
-    m_windowId = id;
-
-  if ( width == -1 && bitmap.Ok())
-    width = bitmap.GetWidth() + 2*m_marginX;
+    if ( style & wxBU_AUTODRAW )
+    {
+        m_marginX =
+        m_marginY = 4;
+    }
 
-  if ( height == -1 && bitmap.Ok())
-    height = bitmap.GetHeight() + 2*m_marginY;
+    if (id == wxID_ANY)
+        m_windowId = NewControlId();
+    else
+        m_windowId = id;
 
-       long msStyle = WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ;
+    long msStyle = WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ;
 
     if ( m_windowStyle & wxCLIP_SIBLINGS )
         msStyle |= WS_CLIPSIBLINGS;
@@ -101,8 +168,7 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bit
         msStyle |= BS_BOTTOM;
 #endif
 
-  m_hWnd = (WXHWND)CreateWindowEx
-                   (
+    m_hWnd = (WXHWND) CreateWindowEx(
                     0,
                     wxT("BUTTON"),
                     wxEmptyString,
@@ -114,15 +180,142 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bit
                     NULL
                    );
 
-  // Subclass again for purposes of dialog editing mode
-  SubclassWin(m_hWnd);
+    // 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();
+}
+
+void wxBitmapButton::OnMouseEnterOrLeave(wxMouseEvent& event)
+{
+    if ( IsEnabled() && m_bmpHover.Ok() )
+        Refresh();
+
+    event.Skip();
+}
+
+void wxBitmapButton::OnSetBitmap()
+{
+    // if the focus bitmap is specified but hover one isn't, use the focus
+    // bitmap for hovering as well if this is consistent with the current
+    // Windows version look and feel
+    //
+    // rationale: this is compatible with the old wxGTK behaviour and also
+    // makes it much easier to do "the right thing" for all platforms (some of
+    // them, such as Windows XP, have "hot" buttons while others don't)
+    if ( !m_bmpHover.Ok() &&
+            m_bmpFocus.Ok() &&
+                wxUxThemeEngine::GetIfActive() )
+    {
+        m_bmpHover = m_bmpFocus;
+    }
+
+    // this will redraw us
+    wxBitmapButtonBase::OnSetBitmap();
+}
+
+#if wxUSE_UXTHEME
+static
+void MSWDrawXPBackground(wxButton *button, WXDRAWITEMSTRUCT *wxdis)
+{
+    LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
+    HDC hdc = lpDIS->hDC;
+    UINT state = lpDIS->itemState;
+    RECT rectBtn;
+    CopyRect(&rectBtn, &lpDIS->rcItem);
+
+    wxUxThemeHandle theme(button, L"BUTTON");
+    int iState;
+
+    if ( state & ODS_SELECTED )
+    {
+        iState = PBS_PRESSED;
+    }
+    else if ( button->HasCapture() || button->IsMouseInWindow() )
+    {
+        iState = PBS_HOT;
+    }
+    else if ( state & ODS_FOCUS )
+    {
+        iState = PBS_DEFAULTED;
+    }
+    else if ( state & ODS_DISABLED )
+    {
+        iState = PBS_DISABLED;
+    }
+    else
+    {
+        iState = PBS_NORMAL;
+    }
+
+    // draw parent background if needed
+    if ( wxUxThemeEngine::Get()->IsThemeBackgroundPartiallyTransparent(theme,
+                                                                       BP_PUSHBUTTON,
+                                                                       iState) )
+    {
+        wxUxThemeEngine::Get()->DrawThemeParentBackground(GetHwndOf(button), hdc, &rectBtn);
+    }
+
+    // draw background
+    wxUxThemeEngine::Get()->DrawThemeBackground(theme, hdc, BP_PUSHBUTTON, iState,
+                                                &rectBtn, NULL);
+
+    // calculate content area margins
+    MARGINS margins;
+    wxUxThemeEngine::Get()->GetThemeMargins(theme, hdc, BP_PUSHBUTTON, iState,
+                                            TMT_CONTENTMARGINS, &rectBtn, &margins);
+    RECT rectClient;
+    ::CopyRect(&rectClient, &rectBtn);
+    ::InflateRect(&rectClient, -margins.cxLeftWidth, -margins.cyTopHeight);
 
-  SetFont(parent->GetFont());
+    // if focused and !nofocus rect
+    if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
+    {
+        DrawFocusRect(hdc, &rectClient);
+    }
 
-  SetSize(x, y, width, height);
+    if ( button->UseBgCol() )
+    {
+        COLORREF colBg = wxColourToRGB(button->GetBackgroundColour());
+        HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
 
-  return TRUE;
+        // don't overwrite the focus rect
+        ::InflateRect(&rectClient, -1, -1);
+        FillRect(hdc, &rectClient, hbrushBackground);
+        ::DeleteObject(hbrushBackground);
+    }
 }
+#endif // wxUSE_UXTHEME
 
 // VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
 #define FOCUS_MARGIN 3
@@ -135,7 +328,7 @@ bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
     {
         // Let default procedure draw the bitmap, which is defined
         // in the Windows resource.
-        return FALSE;
+        return false;
     }
 #endif
 
@@ -147,10 +340,12 @@ bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 
 
     // choose the bitmap to use depending on the button state
-    wxBitmapbitmap;
+    wxBitmap *bitmap;
 
     if ( isSelected && m_bmpSelected.Ok() )
         bitmap = &m_bmpSelected;
+    else if ( m_bmpHover.Ok() && IsMouseInWindow() )
+        bitmap = &m_bmpHover;
     else if ((state & ODS_FOCUS) && m_bmpFocus.Ok())
         bitmap = &m_bmpFocus;
     else if ((state & ODS_DISABLED) && m_bmpDisabled.Ok())
@@ -159,7 +354,7 @@ bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
         bitmap = &m_bmpNormal;
 
     if ( !bitmap->Ok() )
-        return FALSE;
+        return false;
 
     // centre the bitmap in the control area
     int x      = lpDIS->rcItem.left;
@@ -169,8 +364,60 @@ bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
     int wBmp   = bitmap->GetWidth();
     int hBmp   = bitmap->GetHeight();
 
-       int x1,y1;
-       
+#if wxUSE_UXTHEME
+    if ( autoDraw && wxUxThemeEngine::GetIfActive() )
+    {
+        MSWDrawXPBackground(this, item);
+        wxUxThemeHandle theme(this, L"BUTTON");
+
+        // calculate content area margins
+        // assuming here that each state is the same size
+        MARGINS margins;
+        wxUxThemeEngine::Get()->GetThemeMargins(theme, NULL,
+                                                BP_PUSHBUTTON, PBS_NORMAL,
+                                                TMT_CONTENTMARGINS, NULL,
+                                                &margins);
+        int marginX = margins.cxLeftWidth + 1;
+        int marginY = margins.cyTopHeight + 1;
+        int x1,y1;
+
+        if ( m_windowStyle & wxBU_LEFT )
+        {
+            x1 = x + marginX;
+        }
+        else if ( m_windowStyle & wxBU_RIGHT )
+        {
+            x1 = x + (width - wBmp) - marginX;
+        }
+        else
+        {
+            x1 = x + (width - wBmp) / 2;
+        }
+
+        if ( m_windowStyle & wxBU_TOP )
+        {
+            y1 = y + marginY;
+        }
+        else if ( m_windowStyle & wxBU_BOTTOM )
+        {
+            y1 = y + (height - hBmp) - marginY;
+        }
+        else
+        {
+            y1 = y + (height - hBmp) / 2;
+        }
+
+        // draw the bitmap
+        wxClientDC dst;
+        dst.SetHDC((WXHDC) hDC, false);
+        dst.DrawBitmap(*bitmap, x1, y1, true);
+
+        return true;
+    }
+#endif // wxUSE_UXTHEME
+
+    int x1,y1;
+
     if(m_windowStyle & wxBU_LEFT)
         x1 = x + (FOCUS_MARGIN+1);
     else if(m_windowStyle & wxBU_RIGHT)
@@ -201,9 +448,8 @@ bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
     }
 
     // draw the bitmap
-    wxDC dst;
-    dst.SetHDC((WXHDC) hDC, FALSE);
-    dst.DrawBitmap(*bitmap, x1, y1, TRUE);
+    wxDCTemp dst((WXHDC)hDC);
+    dst.DrawBitmap(*bitmap, x1, y1, true);
 
     // draw focus / disabled state, if auto-drawing
     if ( (state & ODS_DISABLED) && autoDraw )
@@ -211,7 +457,7 @@ bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
         DrawButtonDisable((WXHDC) hDC,
                           lpDIS->rcItem.left, lpDIS->rcItem.top,
                           lpDIS->rcItem.right, lpDIS->rcItem.bottom,
-                          TRUE);
+                          true);
     }
     else if ( (state & ODS_FOCUS) && autoDraw )
     {
@@ -223,14 +469,13 @@ bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
                         isSelected);
     }
 
-    return TRUE;
+    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 )
+void wxBitmapButton::DrawFace( WXHDC dc, int left, int top,
+    int right, int bottom, bool sel )
 {
     HPEN oldp;
     HPEN penHiLight;
@@ -244,10 +489,7 @@ void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int botto
     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);
+    brushFace   = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
 
     // draw the rectangle
     RECT rect;
@@ -284,73 +526,8 @@ void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int botto
     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 sel )
+void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right,
+    int bottom, bool WXUNUSED(sel) )
 {
     RECT rect;
     rect.left = left;
@@ -364,21 +541,36 @@ void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right, in
     if ( sel )
         OffsetRect( &rect, 1, 1 );
 */
-       (void)sel;
+
     DrawFocusRect( (HDC) dc, &rect );
 }
 
-extern HBRUSH wxDisableButtonBrush;
-void wxBitmapButton::DrawButtonDisable( WXHDC dc, int left, int top, int right, int bottom, bool with_marg )
+void
+wxBitmapButton::DrawButtonDisable( WXHDC dc,
+                                   int left, int top, int right, int bottom,
+                                   bool with_marg )
 {
-    HBRUSH  old = (HBRUSH) SelectObject( (HDC) dc, wxDisableButtonBrush );
+    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);
+    }
 
-    // VZ: what's this?? there is no such ROP AFAIK
-#ifdef __SALFORDC__
-    DWORD dwRop = 0xFA0089L;
-#else
-    DWORD dwRop = 0xFA0089UL;
-#endif
+    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 )
     {
@@ -388,9 +580,7 @@ void wxBitmapButton::DrawButtonDisable( WXHDC dc, int left, int top, int right,
         bottom -= 2 * m_marginY;
     }
 
-    ::PatBlt( (HDC) dc, left, top, right, bottom, dwRop);
-
-    ::SelectObject( (HDC) dc, old );
+    ::PatBlt( (HDC) dc, left, top, right, bottom, PATTERNPAINT);
 }
 
 void wxBitmapButton::SetDefault()
@@ -398,4 +588,60 @@ void wxBitmapButton::SetDefault()
     wxButton::SetDefault();
 }
 
+wxSize wxBitmapButton::DoGetBestSize() const
+{
+    if ( m_bmpNormal.Ok() )
+    {
+        int width = m_bmpNormal.GetWidth(),
+            height = m_bmpNormal.GetHeight();
+        int marginH = 0,
+            marginV = 0;
+
+#if wxUSE_UXTHEME
+        if ( wxUxThemeEngine::GetIfActive() )
+        {
+            wxUxThemeHandle theme((wxBitmapButton *)this, L"BUTTON");
+
+            MARGINS margins;
+            wxUxThemeEngine::Get()->GetThemeMargins(theme, NULL,
+                                                    BP_PUSHBUTTON, PBS_NORMAL,
+                                                    TMT_CONTENTMARGINS, NULL,
+                                                    &margins);
+
+            // XP doesn't draw themed buttons correctly when the client area is
+            // smaller than 8x8 - enforce this minimum size for small bitmaps
+            if ( width < 8 )
+                width = 8;
+            if ( height < 8 )
+                height = 8;
+
+            // don't add margins for the borderless buttons, they don't need
+            // them and it just makes them appear larger than needed
+            if ( !HasFlag(wxBORDER_NONE) )
+            {
+                // we need 2 extra pixels for the focus rectangle, without them
+                // it's overwritten by the bitmap itself
+                marginH = margins.cxLeftWidth + margins.cxRightWidth + 2;
+                marginV = margins.cyTopHeight + margins.cyBottomHeight + 2;
+            }
+        }
+        else
+#endif // wxUSE_UXTHEME
+        {
+            if ( !HasFlag(wxBORDER_NONE) )
+            {
+                marginH = 2*m_marginX;
+                marginV = 2*m_marginY;
+            }
+        }
+
+        wxSize best(width + marginH, height + marginV);
+        CacheBestSize(best);
+        return best;
+    }
+
+    // no idea what our best size should be, defer to the base class
+    return wxBitmapButtonBase::DoGetBestSize();
+}
+
 #endif // wxUSE_BMPBUTTON