Simplified event based Drag API for wxDataViewCtrl

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

diff --git a/src/msw/button.cpp b/src/msw/button.cpp
index 2f9b8b58dbdba3752ec160bd65a9db6a8b11832b..ef4380227774e4e6dc7ec86b73ea8b05baad5d27 100644 (file)
--- a/src/msw/button.cpp
+++ b/src/msw/button.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        msw/button.cpp
+// Name:        src/msw/button.cpp

 // Purpose:     wxButton
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     wxButton
 // Author:      Julian Smart
 // Modified by:


@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "button.h"
-#endif
-

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


@@ -30,17 +26,55 @@
 
 #if wxUSE_BUTTON
 
 
 #if wxUSE_BUTTON
 

+#include "wx/button.h"
+

 #ifndef WX_PRECOMP
     #include "wx/app.h"
 #ifndef WX_PRECOMP
     #include "wx/app.h"

-    #include "wx/button.h"

     #include "wx/brush.h"
     #include "wx/panel.h"
     #include "wx/bmpbuttn.h"
     #include "wx/settings.h"
     #include "wx/dcscreen.h"
     #include "wx/brush.h"
     #include "wx/panel.h"
     #include "wx/bmpbuttn.h"
     #include "wx/settings.h"
     #include "wx/dcscreen.h"

+    #include "wx/dcclient.h"
+    #include "wx/toplevel.h"

 #endif
 
 #endif
 

+#include "wx/stockitem.h"

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

+#include "wx/msw/private/button.h"
+
+#if wxUSE_UXTHEME
+    #include "wx/msw/uxtheme.h"
+
+    // 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 WM_THEMECHANGED
+    #define WM_THEMECHANGED     0x031A
+#endif
+
+#ifndef ODS_NOACCEL
+    #define ODS_NOACCEL         0x0100
+#endif
+
+#ifndef ODS_NOFOCUSRECT
+    #define ODS_NOFOCUSRECT     0x0200
+#endif
+
+#ifndef DT_HIDEPREFIX
+    #define DT_HIDEPREFIX       0x00100000
+#endif

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


@@ -59,7 +93,7 @@ wxBEGIN_FLAGS( wxButtonStyle )
     wxFLAGS_MEMBER(wxBORDER_RAISED)
     wxFLAGS_MEMBER(wxBORDER_STATIC)
     wxFLAGS_MEMBER(wxBORDER_NONE)
     wxFLAGS_MEMBER(wxBORDER_RAISED)
     wxFLAGS_MEMBER(wxBORDER_STATIC)
     wxFLAGS_MEMBER(wxBORDER_NONE)

-    
+

     // old style border flags
     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
     // old style border flags
     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
     wxFLAGS_MEMBER(wxSUNKEN_BORDER)


@@ -88,12 +122,12 @@ wxEND_FLAGS( wxButtonStyle )
 IMPLEMENT_DYNAMIC_CLASS_XTI(wxButton, wxControl,"wx/button.h")
 
 wxBEGIN_PROPERTIES_TABLE(wxButton)
 IMPLEMENT_DYNAMIC_CLASS_XTI(wxButton, wxControl,"wx/button.h")
 
 wxBEGIN_PROPERTIES_TABLE(wxButton)

-       wxEVENT_PROPERTY( Click , wxEVT_COMMAND_BUTTON_CLICKED , wxCommandEvent)
+    wxEVENT_PROPERTY( Click , wxEVT_COMMAND_BUTTON_CLICKED , wxCommandEvent)

 
 

-       wxPROPERTY( Font , wxFont , SetFont , GetFont  , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
-       wxPROPERTY( Label, wxString , SetLabel, GetLabel, wxString(), 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
+    wxPROPERTY( Font , wxFont , SetFont , GetFont  , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( Label, wxString , SetLabel, GetLabel, wxString(), 0 /*flags*/ , wxT("Helpstring") , wxT("group") )

 
 

-    wxPROPERTY_FLAGS( WindowStyle , wxButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+    wxPROPERTY_FLAGS( WindowStyle , wxButtonStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style

 
 wxEND_PROPERTIES_TABLE()
 
 
 wxEND_PROPERTIES_TABLE()
 


@@ -107,56 +141,119 @@ wxCONSTRUCTOR_6( wxButton , wxWindow* , Parent , wxWindowID , Id , wxString , La
 IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl)
 #endif
 
 IMPLEMENT_DYNAMIC_CLASS(wxButton, wxControl)
 #endif
 

-// this macro tries to adjust the default button height to a reasonable value
-// using the char height as the base
-#define BUTTON_HEIGHT_FROM_CHAR_HEIGHT(cy) (11*EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)/10)
-

 // ============================================================================
 // implementation
 // ============================================================================
 
 // ----------------------------------------------------------------------------
 // ============================================================================
 // implementation
 // ============================================================================
 
 // ----------------------------------------------------------------------------

-// creation/destruction
+// helper functions from wx/msw/private/button.h

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-wxButtonBase::wxButtonBase()
+void wxMSWButton::UpdateMultilineStyle(HWND hwnd, const wxString& label)

 {
 {

+    // update BS_MULTILINE style depending on the new label (resetting it
+    // doesn't seem to do anything very useful but it shouldn't hurt and we do
+    // have to set it whenever the label becomes multi line as otherwise it
+    // wouldn't be shown correctly as we don't use BS_MULTILINE when creating
+    // the control unless it already has new lines in its label)
+    long styleOld = ::GetWindowLong(hwnd, GWL_STYLE),
+         styleNew;
+    if ( label.find(_T('\n')) != wxString::npos )
+        styleNew = styleOld | BS_MULTILINE;
+    else
+        styleNew = styleOld & ~BS_MULTILINE;
+
+    if ( styleNew != styleOld )
+        ::SetWindowLong(hwnd, GWL_STYLE, styleNew);

 }
 
 }
 

+wxSize wxMSWButton::GetFittingSize(wxWindow *win, const wxSize& sizeLabel)
+{
+    // FIXME: this is pure guesswork, need to retrieve the real button margins
+    wxSize sizeBtn = sizeLabel;
+
+    sizeBtn.x += 3*win->GetCharWidth();
+    sizeBtn.y = 11*EDIT_HEIGHT_FROM_CHAR_HEIGHT(sizeLabel.y)/10;
+
+    return sizeBtn;
+}
+
+wxSize wxMSWButton::ComputeBestSize(wxControl *btn)
+{
+    wxClientDC dc(btn);
+
+    wxSize sizeBtn;
+    dc.GetMultiLineTextExtent(btn->GetLabelText(), &sizeBtn.x, &sizeBtn.y);
+
+    sizeBtn = GetFittingSize(btn, sizeBtn);
+
+    // all buttons have at least the standard size unless the user explicitly
+    // wants them to be of smaller size and used wxBU_EXACTFIT style when
+    // creating the button
+    if ( !btn->HasFlag(wxBU_EXACTFIT) )
+    {
+        wxSize sizeDef = wxButton::GetDefaultSize();
+        if ( sizeBtn.x < sizeDef.x )
+            sizeBtn.x = sizeDef.x;
+        if ( sizeBtn.y < sizeDef.y )
+            sizeBtn.y = sizeDef.y;
+    }
+
+    btn->CacheBestSize(sizeBtn);
+
+    return sizeBtn;
+}
+
+// ----------------------------------------------------------------------------
+// creation/destruction
+// ----------------------------------------------------------------------------
+

 bool wxButton::Create(wxWindow *parent,
                       wxWindowID id,
 bool wxButton::Create(wxWindow *parent,
                       wxWindowID id,

-                      const wxString& label,
+                      const wxString& lbl,

                       const wxPoint& pos,
                       const wxSize& size,
                       long style,
                       const wxValidator& validator,
                       const wxString& name)
 {
                       const wxPoint& pos,
                       const wxSize& size,
                       long style,
                       const wxValidator& validator,
                       const wxString& name)
 {

+    wxString label(lbl);
+    if (label.empty() && wxIsStockID(id))
+    {
+        // On Windows, some buttons aren't supposed to have mnemonics
+        label = wxGetStockLabel
+                (
+                    id,
+                    id == wxID_OK || id == wxID_CANCEL || id == wxID_CLOSE
+                        ? wxSTOCK_NOFLAGS
+                        : wxSTOCK_WITH_MNEMONIC
+                );
+    }
+

     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
     if ( !CreateControl(parent, id, pos, size, style, validator, name) )

-        return FALSE;
+        return false;

 
     WXDWORD exstyle;
     WXDWORD msStyle = MSWGetStyle(style, &exstyle);
 
 
     WXDWORD exstyle;
     WXDWORD msStyle = MSWGetStyle(style, &exstyle);
 

-#ifdef __WIN32__

     // if the label contains several lines we must explicitly tell the button
     // about it or it wouldn't draw it correctly ("\n"s would just appear as
     // black boxes)
     //
     // NB: we do it here and not in MSWGetStyle() because we need the label
     // if the label contains several lines we must explicitly tell the button
     // about it or it wouldn't draw it correctly ("\n"s would just appear as
     // black boxes)
     //
     // NB: we do it here and not in MSWGetStyle() because we need the label

-    //     value and m_label is not set yet when MSWGetStyle() is called;
-    //     besides changing BS_MULTILINE during run-time is pointless anyhow
-    if ( label.find(_T('\n')) != wxString::npos )
-    {
-        msStyle |= BS_MULTILINE;
-    }
-#endif // __WIN32__
+    //     value and the label is not set yet when MSWGetStyle() is called
+    msStyle |= wxMSWButton::GetMultilineStyle(label);

 
     return MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, exstyle);
 }
 
 wxButton::~wxButton()
 {
 
     return MSWCreateControl(_T("BUTTON"), msStyle, pos, size, label, exstyle);
 }
 
 wxButton::~wxButton()
 {

+    wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+    if ( tlw && tlw->GetTmpDefaultItem() == this )
+    {
+        UnsetTmpDefault();
+    }

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -176,7 +273,6 @@ WXDWORD wxButton::MSWGetStyle(long style, WXDWORD *exstyle) const
     // the bottom
     msStyle |= WS_CLIPSIBLINGS;
 
     // the bottom
     msStyle |= WS_CLIPSIBLINGS;
 

-#ifdef __WIN32__

     // don't use "else if" here: weird as it is, but you may combine wxBU_LEFT
     // and wxBU_RIGHT to get BS_CENTER!
     if ( style & wxBU_LEFT )
     // don't use "else if" here: weird as it is, but you may combine wxBU_LEFT
     // and wxBU_RIGHT to get BS_CENTER!
     if ( style & wxBU_LEFT )


@@ -187,47 +283,29 @@ WXDWORD wxButton::MSWGetStyle(long style, WXDWORD *exstyle) const
         msStyle |= BS_TOP;
     if ( style & wxBU_BOTTOM )
         msStyle |= BS_BOTTOM;
         msStyle |= BS_TOP;
     if ( style & wxBU_BOTTOM )
         msStyle |= BS_BOTTOM;

+#ifndef __WXWINCE__

     // flat 2d buttons
     if ( style & wxNO_BORDER )
         msStyle |= BS_FLAT;
     // flat 2d buttons
     if ( style & wxNO_BORDER )
         msStyle |= BS_FLAT;

-#endif // __WIN32__
+#endif // __WXWINCE__

 
     return msStyle;
 }
 
 
     return msStyle;
 }
 

+void wxButton::SetLabel(const wxString& label)
+{
+    wxMSWButton::UpdateMultilineStyle(GetHwnd(), label);
+
+    wxButtonBase::SetLabel(label);
+}
+

 // ----------------------------------------------------------------------------
 // size management including autosizing
 // ----------------------------------------------------------------------------
 
 wxSize wxButton::DoGetBestSize() const
 {
 // ----------------------------------------------------------------------------
 // size management including autosizing
 // ----------------------------------------------------------------------------
 
 wxSize wxButton::DoGetBestSize() const
 {

-    int wBtn;
-    GetTextExtent(wxGetWindowText(GetHWND()), &wBtn, NULL);
-
-    int wChar, hChar;
-    wxGetCharSize(GetHWND(), &wChar, &hChar, &GetFont());
-
-    // add a margin -- the button is wider than just its label
-    wBtn += 3*wChar;
-
-    // the button height is proportional to the height of the font used
-    int hBtn = BUTTON_HEIGHT_FROM_CHAR_HEIGHT(hChar);
-
-    // all buttons have at least the standard size unless the user explicitly
-    // wants them to be of smaller size and used wxBU_EXACTFIT style when
-    // creating the button
-    if ( !HasFlag(wxBU_EXACTFIT) )
-    {
-        wxSize sz = GetDefaultSize();
-        if (wBtn > sz.x)
-            sz.x = wBtn;
-        if (hBtn > sz.y)
-            sz.y = hBtn;
-
-        return sz;
-    }
-
-    return wxSize(wBtn, hBtn);
+    return wxMSWButton::ComputeBestSize(const_cast<wxButton *>(this));

 }
 
 /* static */
 }
 
 /* static */


@@ -287,54 +365,80 @@ wxSize wxButtonBase::GetDefaultSize()
    NB: all this is quite complicated by now and the worst is that normally
        it shouldn't be necessary at all as for the normal Windows programs
        DefWindowProc() and IsDialogMessage() take care of all this
    NB: all this is quite complicated by now and the worst is that normally
        it shouldn't be necessary at all as for the normal Windows programs
        DefWindowProc() and IsDialogMessage() take care of all this

-       automatically -- however in wxWindows programs this doesn't work for
+       automatically -- however in wxWidgets programs this doesn't work for

        nested hierarchies (i.e. a notebook inside a notebook) for unknown
        reason and so we have to reproduce all this code ourselves. It would be
        very nice if we could avoid doing it.
  */
 
 // set this button as the (permanently) default one in its panel
        nested hierarchies (i.e. a notebook inside a notebook) for unknown
        reason and so we have to reproduce all this code ourselves. It would be
        very nice if we could avoid doing it.
  */
 
 // set this button as the (permanently) default one in its panel

-void wxButton::SetDefault()
+wxWindow *wxButton::SetDefault()

 {
 {

-    wxWindow *parent = GetParent();
+    // set this one as the default button both for wxWidgets ...
+    wxWindow *winOldDefault = wxButtonBase::SetDefault();

 
 

-    wxCHECK_RET( parent, _T("button without parent?") );
+    // ... and Windows
+    SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), false);
+    SetDefaultStyle(this, true);

 
 

-    // set this one as the default button both for wxWindows ...
-    wxWindow *winOldDefault = parent->SetDefaultItem(this);
+    return winOldDefault;
+}

 
 

-    // ... and Windows
-    SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), FALSE);
-    SetDefaultStyle(this, TRUE);
+// return the top level parent window if it's not being deleted yet, otherwise
+// return NULL
+static wxTopLevelWindow *GetTLWParentIfNotBeingDeleted(wxWindow *win)
+{
+    for ( ;; )
+    {
+        // IsTopLevel() will return false for a wxTLW being deleted, so we also
+        // need the parent test for this case
+        wxWindow * const parent = win->GetParent();
+        if ( !parent || win->IsTopLevel() )
+        {
+            if ( win->IsBeingDeleted() )
+                return NULL;
+
+            break;
+        }
+
+        win = parent;
+    }
+
+    wxASSERT_MSG( win, _T("button without top level parent?") );
+
+    wxTopLevelWindow * const tlw = wxDynamicCast(win, wxTopLevelWindow);
+    wxASSERT_MSG( tlw, _T("logic error in GetTLWParentIfNotBeingDeleted()") );
+
+    return tlw;

 }
 
 // set this button as being currently default
 void wxButton::SetTmpDefault()
 {
 }
 
 // set this button as being currently default
 void wxButton::SetTmpDefault()
 {

-    wxWindow *parent = GetParent();
-
-    wxCHECK_RET( parent, _T("button without parent?") );
+    wxTopLevelWindow * const tlw = GetTLWParentIfNotBeingDeleted(GetParent());
+    if ( !tlw )
+        return;

 
 

-    wxWindow *winOldDefault = parent->GetDefaultItem();
-    parent->SetTmpDefaultItem(this);
+    wxWindow *winOldDefault = tlw->GetDefaultItem();
+    tlw->SetTmpDefaultItem(this);

 
 

-    SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), FALSE);
-    SetDefaultStyle(this, TRUE);
+    SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), false);
+    SetDefaultStyle(this, true);

 }
 
 // unset this button as currently default, it may still stay permanent default
 void wxButton::UnsetTmpDefault()
 {
 }
 
 // unset this button as currently default, it may still stay permanent default
 void wxButton::UnsetTmpDefault()
 {

-    wxWindow *parent = GetParent();
-
-    wxCHECK_RET( parent, _T("button without parent?") );
+    wxTopLevelWindow * const tlw = GetTLWParentIfNotBeingDeleted(GetParent());
+    if ( !tlw )
+        return;

 
 

-    parent->SetTmpDefaultItem(NULL);
+    tlw->SetTmpDefaultItem(NULL);

 
 

-    wxWindow *winOldDefault = parent->GetDefaultItem();
+    wxWindow *winOldDefault = tlw->GetDefaultItem();

 
 

-    SetDefaultStyle(this, FALSE);
-    SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), TRUE);
+    SetDefaultStyle(this, false);
+    SetDefaultStyle(wxDynamicCast(winOldDefault, wxButton), true);

 }
 
 /* static */
 }
 
 /* static */


@@ -354,18 +458,13 @@ wxButton::SetDefaultStyle(wxButton *btn, bool on)
         if ( !wxTheApp->IsActive() )
             return;
 
         if ( !wxTheApp->IsActive() )
             return;
 

-        // look for a panel-like window
-        wxWindow *win = btn->GetParent();
-        while ( win && !win->HasFlag(wxTAB_TRAVERSAL) )
-            win = win->GetParent();
+        wxWindow * const tlw = wxGetTopLevelParent(btn);
+        wxCHECK_RET( tlw, _T("button without top level window?") );

 
 

-        if ( win )
-        {
-            ::SendMessage(GetHwndOf(win), DM_SETDEFID, btn->GetId(), 0L);
+        ::SendMessage(GetHwndOf(tlw), DM_SETDEFID, btn->GetId(), 0L);

 
 

-            // sending DM_SETDEFID also changes the button style to
-            // BS_DEFPUSHBUTTON so there is nothing more to do
-        }
+        // sending DM_SETDEFID also changes the button style to
+        // BS_DEFPUSHBUTTON so there is nothing more to do

     }
 
     // then also change the style as needed
     }
 
     // then also change the style as needed


@@ -415,12 +514,12 @@ void wxButton::Command(wxCommandEvent & event)
 
 bool wxButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 {
 
 bool wxButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 {

-    bool processed = FALSE;
+    bool processed = false;

     switch ( param )
     {
         // NOTE: Apparently older versions (NT 4?) of the common controls send
         //       BN_DOUBLECLICKED but not a second BN_CLICKED for owner-drawn
     switch ( param )
     {
         // NOTE: Apparently older versions (NT 4?) of the common controls send
         //       BN_DOUBLECLICKED but not a second BN_CLICKED for owner-drawn

-        //       buttons, so in order to send two EVET_BUTTON events we should
+        //       buttons, so in order to send two EVT_BUTTON events we should

         //       catch both types.  Currently (Feb 2003) up-to-date versions of
         //       win98, win2k and winXP all send two BN_CLICKED messages for
         //       all button types, so we don't catch BN_DOUBLECLICKED anymore
         //       catch both types.  Currently (Feb 2003) up-to-date versions of
         //       win98, win2k and winXP all send two BN_CLICKED messages for
         //       all button types, so we don't catch BN_DOUBLECLICKED anymore


@@ -437,9 +536,9 @@ bool wxButton::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
     return processed;
 }
 
     return processed;
 }
 

-long wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+WXLRESULT wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)

 {
 {

-    // when we receive focus, we want to temporary become the default button in
+    // when we receive focus, we want to temporarily become the default button in

     // our parent panel so that pressing "Enter" would activate us -- and when
     // losing it we should restore the previous default button as well
     if ( nMsg == WM_SETFOCUS )
     // our parent panel so that pressing "Enter" would activate us -- and when
     // losing it we should restore the previous default button as well
     if ( nMsg == WM_SETFOCUS )


@@ -460,6 +559,27 @@ long wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 
         // and continue with processing the message normally as well
     }
 
         // and continue with processing the message normally as well
     }

+#if wxUSE_UXTHEME
+    else if ( nMsg == WM_THEMECHANGED )
+    {
+        // need to recalculate the best size here
+        // as the theme size might have changed
+        InvalidateBestSize();
+    }
+    else if ( wxUxThemeEngine::GetIfActive() )
+    {
+        // we need to Refresh() if mouse has entered or left window
+        // so we can update the hot tracking state
+        // must use m_mouseInWindow here instead of IsMouseInWindow()
+        // since we need to know the first time the mouse enters the window
+        // and IsMouseInWindow() would return true in this case
+        if ( ( nMsg == WM_MOUSEMOVE && !m_mouseInWindow ) ||
+             nMsg == WM_MOUSELEAVE )
+        {
+            Refresh();
+        }
+    }
+#endif // wxUSE_UXTHEME

 
     // let the base class do all real processing
     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
 
     // let the base class do all real processing
     return wxControl::MSWWindowProc(nMsg, wParam, lParam);


@@ -469,20 +589,47 @@ long wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 // owner-drawn buttons support
 // ----------------------------------------------------------------------------
 
 // owner-drawn buttons support
 // ----------------------------------------------------------------------------
 

-#ifdef __WIN32__
-

 // drawing helpers
 
 static void DrawButtonText(HDC hdc,
                            RECT *pRect,
                            const wxString& text,
 // drawing helpers
 
 static void DrawButtonText(HDC hdc,
                            RECT *pRect,
                            const wxString& text,

-                           COLORREF col)
+                           COLORREF col,
+                           int flags)

 {
     COLORREF colOld = SetTextColor(hdc, col);
     int modeOld = SetBkMode(hdc, TRANSPARENT);
 
 {
     COLORREF colOld = SetTextColor(hdc, col);
     int modeOld = SetBkMode(hdc, TRANSPARENT);
 

-    // Note: we must have DT_SINGLELINE for DT_VCENTER to work.
-    ::DrawText(hdc, text, text.length(), pRect, DT_SINGLELINE | DT_CENTER | DT_VCENTER);
+    // center text horizontally in any case
+    flags |= DT_CENTER;
+
+    if ( text.find(_T('\n')) != wxString::npos )
+    {
+        // draw multiline label
+
+        // first we need to compute its bounding rect
+        RECT rc;
+        ::CopyRect(&rc, pRect);
+        ::DrawText(hdc, text.wx_str(), text.length(), &rc,
+                   DT_CENTER | DT_CALCRECT);
+
+        // now center this rect inside the entire button area
+        const LONG w = rc.right - rc.left;
+        const LONG h = rc.bottom - rc.top;
+        rc.left = (pRect->right - pRect->left)/2 - w/2;
+        rc.right = rc.left+w;
+        rc.top = (pRect->bottom - pRect->top)/2 - h/2;
+        rc.bottom = rc.top+h;
+
+        ::DrawText(hdc, text.wx_str(), text.length(), &rc, flags);
+    }
+    else // single line label
+    {
+        // centre text vertically too (notice that we must have DT_SINGLELINE
+        // for DT_VCENTER to work)
+        ::DrawText(hdc, text.wx_str(), text.length(), pRect,
+                   flags | DT_SINGLELINE | DT_VCENTER);
+    }

 
     SetBkMode(hdc, modeOld);
     SetTextColor(hdc, colOld);
 
     SetBkMode(hdc, modeOld);
     SetTextColor(hdc, colOld);


@@ -512,14 +659,14 @@ bool wxButton::SetBackgroundColour(const wxColour &colour)
     if ( !wxControl::SetBackgroundColour(colour) )
     {
         // nothing to do
     if ( !wxControl::SetBackgroundColour(colour) )
     {
         // nothing to do

-        return FALSE;
+        return false;

     }
 
     MakeOwnerDrawn();
 
     Refresh();
 
     }
 
     MakeOwnerDrawn();
 
     Refresh();
 

-    return TRUE;
+    return true;

 }
 
 bool wxButton::SetForegroundColour(const wxColour &colour)
 }
 
 bool wxButton::SetForegroundColour(const wxColour &colour)


@@ -527,14 +674,14 @@ bool wxButton::SetForegroundColour(const wxColour &colour)
     if ( !wxControl::SetForegroundColour(colour) )
     {
         // nothing to do
     if ( !wxControl::SetForegroundColour(colour) )
     {
         // nothing to do

-        return FALSE;
+        return false;

     }
 
     MakeOwnerDrawn();
 
     Refresh();
 
     }
 
     MakeOwnerDrawn();
 
     Refresh();
 

-    return TRUE;
+    return true;

 }
 
 /*
 }
 
 /*


@@ -594,7 +741,7 @@ static void DrawButtonFrame(HDC hdc, const RECT& rectBtn,
         DrawRect(hdc, r);
 
         (void)SelectObject(hdc, hpenGrey);
         DrawRect(hdc, r);
 
         (void)SelectObject(hdc, hpenGrey);

-        InflateRect(&r, -1, -1);
+        ::InflateRect(&r, -1, -1);

 
         DrawRect(hdc, r);
     }
 
         DrawRect(hdc, r);
     }


@@ -604,7 +751,7 @@ static void DrawButtonFrame(HDC hdc, const RECT& rectBtn,
         {
             DrawRect(hdc, r);
 
         {
             DrawRect(hdc, r);
 

-            InflateRect(&r, -1, -1);
+            ::InflateRect(&r, -1, -1);

         }
 
         wxDrawLine(hdc, r.left, r.bottom, r.right, r.bottom);
         }
 
         wxDrawLine(hdc, r.left, r.bottom, r.right, r.bottom);


@@ -630,67 +777,148 @@ static void DrawButtonFrame(HDC hdc, const RECT& rectBtn,
     DeleteObject(hpenBlack);
 }
 
     DeleteObject(hpenBlack);
 }
 

-bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
+#if wxUSE_UXTHEME
+static
+void MSWDrawXPBackground(wxButton *button, WXDRAWITEMSTRUCT *wxdis)

 {
     LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
 {
     LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;

-
+    HDC hdc = lpDIS->hDC;
+    UINT state = lpDIS->itemState;

     RECT rectBtn;
     CopyRect(&rectBtn, &lpDIS->rcItem);
 
     RECT rectBtn;
     CopyRect(&rectBtn, &lpDIS->rcItem);
 

-    COLORREF colBg = wxColourToRGB(GetBackgroundColour()),
-             colFg = wxColourToRGB(GetForegroundColour());
+    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);

 
 

+    // if focused and !nofocus rect
+    if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
+    {
+        DrawFocusRect(hdc, &rectClient);
+    }
+
+    if ( button->UseBgCol() )
+    {
+        COLORREF colBg = wxColourToRGB(button->GetBackgroundColour());
+        HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+
+        // don't overwrite the focus rect
+        ::InflateRect(&rectClient, -1, -1);
+        FillRect(hdc, &rectClient, hbrushBackground);
+        ::DeleteObject(hbrushBackground);
+    }
+}
+#endif // wxUSE_UXTHEME
+
+bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
+{
+    LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;

     HDC hdc = lpDIS->hDC;
     UINT state = lpDIS->itemState;
     HDC hdc = lpDIS->hDC;
     UINT state = lpDIS->itemState;

+    RECT rectBtn;
+    CopyRect(&rectBtn, &lpDIS->rcItem);

 
 

-    // first, draw the background
-    HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+#if wxUSE_UXTHEME
+    if ( wxUxThemeEngine::GetIfActive() )
+    {
+        MSWDrawXPBackground(this, wxdis);
+    }
+    else
+#endif // wxUSE_UXTHEME
+    {
+        COLORREF colBg = wxColourToRGB(GetBackgroundColour());

 
 

-    FillRect(hdc, &rectBtn, hbrushBackground);
+        // first, draw the background
+        HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+        FillRect(hdc, &rectBtn, hbrushBackground);
+        ::DeleteObject(hbrushBackground);

 
 

-    // draw the border for the current state
-    bool selected = (state & ODS_SELECTED) != 0;
-    if ( !selected )
-    {
-        wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
-        if ( panel )
+        // draw the border for the current state
+        bool selected = (state & ODS_SELECTED) != 0;
+        if ( !selected )

         {
         {

-            selected = panel->GetDefaultItem() == this;
+            wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+            if ( tlw )
+            {
+                selected = tlw->GetDefaultItem() == this;
+            }

         }
         }

-    }
-    bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;
+        bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;

 
 

-    DrawButtonFrame(hdc, rectBtn, selected, pushed);
+        DrawButtonFrame(hdc, rectBtn, selected, pushed);

 
 

-    // draw the focus rect if needed
-    if ( state & ODS_FOCUS )
-    {
-        RECT rectFocus;
-        CopyRect(&rectFocus, &rectBtn);
+        // if focused and !nofocus rect
+        if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
+        {
+            RECT rectFocus;
+            CopyRect(&rectFocus, &rectBtn);

 
 

-        // I don't know where does this constant come from, but this is how
-        // Windows draws them
-        InflateRect(&rectFocus, -4, -4);
+            // I don't know where does this constant come from, but this is how
+            // Windows draws them
+            InflateRect(&rectFocus, -4, -4);

 
 

-        DrawFocusRect(hdc, &rectFocus);
-    }
+            DrawFocusRect(hdc, &rectFocus);
+        }

 
 

-    if ( pushed )
-    {
-        // the label is shifted by 1 pixel to create "pushed" effect
-        OffsetRect(&rectBtn, 1, 1);
+        if ( pushed )
+        {
+            // the label is shifted by 1 pixel to create "pushed" effect
+            OffsetRect(&rectBtn, 1, 1);
+        }

     }
 
     }
 

-    DrawButtonText(hdc, &rectBtn, GetLabel(),
-                   state & ODS_DISABLED ? GetSysColor(COLOR_GRAYTEXT)
-                                        : colFg);
+    COLORREF colFg = state & ODS_DISABLED
+                        ? ::GetSysColor(COLOR_GRAYTEXT)
+                        : wxColourToRGB(GetForegroundColour());

 
 

-    ::DeleteObject(hbrushBackground);
+    // notice that DT_HIDEPREFIX doesn't work on old (pre-Windows 2000) systems
+    // but by happy coincidence ODS_NOACCEL is not used under them neither so
+    // DT_HIDEPREFIX should never be used there
+    DrawButtonText(hdc, &rectBtn, GetLabel(), colFg,
+                   state & ODS_NOACCEL ? DT_HIDEPREFIX : 0);

 
 

-    return TRUE;
+    return true;

 }
 
 }
 

-#endif // __WIN32__
-

 #endif // wxUSE_BUTTON
 
 #endif // wxUSE_BUTTON