defer queue-resize until after size-allocate processing, to keep it from being ignore...

[wxWidgets.git] / src / univ / winuniv.cpp

diff --git a/src/univ/winuniv.cpp b/src/univ/winuniv.cpp
index a62dbdc55fe9164cadbf405388ae0849d271323c..1842fc485e99611a309cbd6396f780156ad624b5 100644 (file)
--- a/src/univ/winuniv.cpp
+++ b/src/univ/winuniv.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        src/univ/window.cpp
+// Name:        src/univ/winuniv.cpp

 // Purpose:     implementation of extra wxWindow methods for wxUniv port
 // Author:      Vadim Zeitlin
 // Modified by:
 // Purpose:     implementation of extra wxWindow methods for wxUniv port
 // Author:      Vadim Zeitlin
 // Modified by:


@@ -35,21 +35,21 @@
     #include "wx/menu.h"
     #include "wx/frame.h"
     #include "wx/log.h"
     #include "wx/menu.h"
     #include "wx/frame.h"
     #include "wx/log.h"

+    #include "wx/button.h"

 #endif // WX_PRECOMP
 
 #include "wx/univ/colschem.h"
 #include "wx/univ/renderer.h"
 #include "wx/univ/theme.h"
 
 #endif // WX_PRECOMP
 
 #include "wx/univ/colschem.h"
 #include "wx/univ/renderer.h"
 #include "wx/univ/theme.h"
 

+

 #if wxUSE_CARET
     #include "wx/caret.h"
 #endif // wxUSE_CARET
 
 #if wxUSE_CARET
     #include "wx/caret.h"
 #endif // wxUSE_CARET
 

-// turn Refresh() debugging on/off
-#define WXDEBUG_REFRESH
-
-#ifndef __WXDEBUG__
-    #undef WXDEBUG_REFRESH
+#if wxDEBUG_LEVEL >= 2
+    // turn Refresh() debugging on/off
+    #define WXDEBUG_REFRESH

 #endif
 
 #if defined(WXDEBUG_REFRESH) && defined(__WXMSW__) && !defined(__WXMICROWIN__)
 #endif
 
 #if defined(WXDEBUG_REFRESH) && defined(__WXMSW__) && !defined(__WXMICROWIN__)


@@ -60,6 +60,29 @@
 // implementation
 // ============================================================================
 
 // implementation
 // ============================================================================
 

+// ----------------------------------------------------------------------------
+// scrollbars class
+// ----------------------------------------------------------------------------
+
+// This is scrollbar class used to implement wxWindow's "built-in" scrollbars;
+// unlike the standard wxScrollBar class, this one is positioned outside of its
+// parent's client area
+class wxWindowScrollBar : public wxScrollBar
+{
+public:
+    wxWindowScrollBar(wxWindow *parent,
+                      wxWindowID id,
+                      const wxPoint& pos = wxDefaultPosition,
+                      const wxSize& size = wxDefaultSize,
+                      long style = wxSB_HORIZONTAL)
+        : wxScrollBar(parent, id, pos, size, style)
+    {
+    }
+
+    virtual bool CanBeOutsideClientArea() const { return true; }
+};
+
+

 // ----------------------------------------------------------------------------
 // event tables
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // event tables
 // ----------------------------------------------------------------------------


@@ -69,8 +92,10 @@
     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMSW)
 #elif defined(__WXGTK__)
     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowGTK)
     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMSW)
 #elif defined(__WXGTK__)
     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowGTK)

-#elif defined(__WXMGL__)
-    IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMGL)
+#elif defined(__WXOSX_OR_COCOA__)
+    IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowMac)
+#elif defined(__WXDFB__)
+    IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowDFB)

 #elif defined(__WXX11__)
     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowX11)
 #elif defined(__WXPM__)
 #elif defined(__WXX11__)
     IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowX11)
 #elif defined(__WXPM__)


@@ -102,7 +127,7 @@ void wxWindow::Init()
 {
 #if wxUSE_SCROLLBAR
     m_scrollbarVert =
 {
 #if wxUSE_SCROLLBAR
     m_scrollbarVert =

-    m_scrollbarHorz = (wxScrollBar *)NULL;
+    m_scrollbarHorz = NULL;

 #endif // wxUSE_SCROLLBAR
 
     m_isCurrent = false;
 #endif // wxUSE_SCROLLBAR
 
     m_isCurrent = false;


@@ -120,22 +145,33 @@ bool wxWindow::Create(wxWindow *parent,
                       long style,
                       const wxString& name)
 {
                       long style,
                       const wxString& name)
 {

+    // Get default border
+    wxBorder border = GetBorder(style);
+    style &= ~wxBORDER_MASK;
+    style |= border;
+

     long actualStyle = style;
 
     long actualStyle = style;
 

-    // FIXME: may need this on other platforms
-#ifdef __WXMSW__
+    // we add wxCLIP_CHILDREN to get the same ("natural") behaviour under MSW
+    // as under the other platforms
+    actualStyle |= wxCLIP_CHILDREN;
+

     actualStyle &= ~wxVSCROLL;
     actualStyle &= ~wxHSCROLL;
     actualStyle &= ~wxVSCROLL;
     actualStyle &= ~wxHSCROLL;

+
+#ifdef __WXMSW__
+    // without this, borders (non-client areas in general) are not repainted
+    // correctly when resizing; apparently, native NC areas are fully repainted
+    // even without this style by MSW, but wxUniv implements client area
+    // itself, so it doesn't work correctly for us
+    //
+    // FIXME: this is very expensive, we need to fix the (commented-out) code
+    //        in OnSize() instead
+    actualStyle |= wxFULL_REPAINT_ON_RESIZE;

 #endif
 
 #endif
 

-    // we add wxCLIP_CHILDREN to get the same ("natural") behaviour under MSW
-    // as under the other platforms
-    if ( !wxWindowNative::Create(parent, id, pos, size,
-                                 actualStyle | wxCLIP_CHILDREN,
-                                 name) )
-    {
+    if ( !wxWindowNative::Create(parent, id, pos, size, actualStyle, name) )

         return false;
         return false;

-    }

 
     // Set full style again, including those we didn't want present
     // when calling the base window Create().
 
     // Set full style again, including those we didn't want present
     // when calling the base window Create().


@@ -148,9 +184,9 @@ bool wxWindow::Create(wxWindow *parent,
         SetInsertIntoMain( true );
 #endif
 #if wxUSE_SCROLLBAR
         SetInsertIntoMain( true );
 #endif
 #if wxUSE_SCROLLBAR

-        m_scrollbarVert = new wxScrollBar(this, wxID_ANY,
-                                          wxDefaultPosition, wxDefaultSize,
-                                          wxSB_VERTICAL);
+        m_scrollbarVert = new wxWindowScrollBar(this, wxID_ANY,
+                                                wxDefaultPosition, wxDefaultSize,
+                                                wxSB_VERTICAL);

 #endif // wxUSE_SCROLLBAR
 #if wxUSE_TWO_WINDOWS
         SetInsertIntoMain( false );
 #endif // wxUSE_SCROLLBAR
 #if wxUSE_TWO_WINDOWS
         SetInsertIntoMain( false );


@@ -164,9 +200,9 @@ bool wxWindow::Create(wxWindow *parent,
         SetInsertIntoMain( true );
 #endif
 #if wxUSE_SCROLLBAR
         SetInsertIntoMain( true );
 #endif
 #if wxUSE_SCROLLBAR

-        m_scrollbarHorz = new wxScrollBar(this, wxID_ANY,
-                                          wxDefaultPosition, wxDefaultSize,
-                                          wxSB_HORIZONTAL);
+        m_scrollbarHorz = new wxWindowScrollBar(this, wxID_ANY,
+                                                wxDefaultPosition, wxDefaultSize,
+                                                wxSB_HORIZONTAL);

 #endif // wxUSE_SCROLLBAR
 #if wxUSE_TWO_WINDOWS
         SetInsertIntoMain( false );
 #endif // wxUSE_SCROLLBAR
 #if wxUSE_TWO_WINDOWS
         SetInsertIntoMain( false );


@@ -186,7 +222,15 @@ bool wxWindow::Create(wxWindow *parent,
 
 wxWindow::~wxWindow()
 {
 
 wxWindow::~wxWindow()
 {

-    m_isBeingDeleted = true;
+    SendDestroyEvent();
+
+#if wxUSE_SCROLLBAR
+    // clear pointers to scrollbar before deleting the children: they are
+    // children and so will be deleted by DestroyChildren() call below and if
+    // any code using the scrollbars would be called in the process or from
+    // ~wxWindowBase, the app would crash:
+    m_scrollbarVert = m_scrollbarHorz = NULL;
+#endif

 
     // we have to destroy our children before we're destroyed because our
     // children suppose that we're of type wxWindow, not just wxWindowNative,
 
     // we have to destroy our children before we're destroyed because our
     // children suppose that we're of type wxWindow, not just wxWindowNative,


@@ -212,7 +256,7 @@ void wxWindow::SetBackground(const wxBitmap& bitmap,
 const wxBitmap& wxWindow::GetBackgroundBitmap(int *alignment,
                                                wxStretch *stretch) const
 {
 const wxBitmap& wxWindow::GetBackgroundBitmap(int *alignment,
                                                wxStretch *stretch) const
 {

-    if ( m_bitmapBg.Ok() )
+    if ( m_bitmapBg.IsOk() )

     {
         if ( alignment )
             *alignment = m_alignBgBitmap;
     {
         if ( alignment )
             *alignment = m_alignBgBitmap;


@@ -320,8 +364,13 @@ bool wxWindow::DoDrawBackground(wxDC& dc)
     rect.height = size.y;
 
     wxWindow * const parent = GetParent();
     rect.height = size.y;
 
     wxWindow * const parent = GetParent();

-    if ( HasTransparentBackground() && parent )
+    if ( HasTransparentBackground() && !UseBgCol() && parent )

     {
     {

+        // DirectFB paints the parent first, then its child windows, so by
+        // the time this code is called, parent's background was already
+        // drawn and there's no point in (imperfectly!) duplicating the work
+        // here:
+#ifndef __WXDFB__

         wxASSERT( !IsTopLevel() );
 
         wxPoint pos = GetPosition();
         wxASSERT( !IsTopLevel() );
 
         wxPoint pos = GetPosition();


@@ -344,6 +393,7 @@ bool wxWindow::DoDrawBackground(wxDC& dc)
 
         // Restore DC logical origin
         dc.SetLogicalOrigin( org_x, org_y );
 
         // Restore DC logical origin
         dc.SetLogicalOrigin( org_x, org_y );

+#endif // !__WXDFB__

     }
     else
     {
     }
     else
     {


@@ -356,7 +406,7 @@ bool wxWindow::DoDrawBackground(wxDC& dc)
 
 void wxWindow::EraseBackground(wxDC& dc, const wxRect& rect)
 {
 
 void wxWindow::EraseBackground(wxDC& dc, const wxRect& rect)
 {

-    if ( GetBackgroundBitmap().Ok() )
+    if ( GetBackgroundBitmap().IsOk() )

     {
         // Get the bitmap and the flags
         int alignment;
     {
         // Get the bitmap and the flags
         int alignment;


@@ -389,34 +439,36 @@ void wxWindow::DoDraw(wxControlRenderer * WXUNUSED(renderer))
 {
 }
 
 {
 }
 

-void wxWindow::Refresh(bool eraseBackground, const wxRect *rectClient)
+void wxWindow::Refresh(bool eraseBackground, const wxRect *rect)

 {
 {

-    wxRect rectWin;
-    wxPoint pt = GetClientAreaOrigin();
+    wxRect rectClient; // the same rectangle in client coordinates
+    wxPoint origin = GetClientAreaOrigin();

 
     wxSize size = GetClientSize();
 
 
     wxSize size = GetClientSize();
 

-    if ( rectClient )
+    if ( rect )

     {
     {

-        rectWin = *rectClient;
+        // the rectangle passed as argument is in client coordinates
+        rectClient = *rect;

 
         // don't refresh anything beyond the client area (scrollbars for
         // example)
 
         // don't refresh anything beyond the client area (scrollbars for
         // example)

-        if ( rectWin.GetRight() > size.x )
-            rectWin.SetRight(size.x);
-        if ( rectWin.GetBottom() > size.y )
-            rectWin.SetBottom(size.y);
+        if ( rectClient.GetRight() > size.x )
+            rectClient.SetRight(size.x);
+        if ( rectClient.GetBottom() > size.y )
+            rectClient.SetBottom(size.y);

 
 

-        rectWin.Offset(pt);

     }
     else // refresh the entire client area
     {
     }
     else // refresh the entire client area
     {

-        rectWin.x = pt.x;
-        rectWin.y = pt.y;
-        rectWin.width = size.x;
-        rectWin.height = size.y;
+        // x,y is already set to 0 by default
+        rectClient.SetSize(size);

     }
 
     }
 

+    // convert refresh rectangle to window coordinates:
+    wxRect rectWin(rectClient);
+    rectWin.Offset(origin);
+

     // debugging helper
 #ifdef WXDEBUG_REFRESH
     static bool s_refreshDebug = false;
     // debugging helper
 #ifdef WXDEBUG_REFRESH
     static bool s_refreshDebug = false;


@@ -438,16 +490,30 @@ void wxWindow::Refresh(bool eraseBackground, const wxRect *rectClient)
     wxWindowNative::Refresh(eraseBackground, &rectWin);
 
     // Refresh all sub controls if any.
     wxWindowNative::Refresh(eraseBackground, &rectWin);
 
     // Refresh all sub controls if any.

-    wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
-    while ( node )
+    wxWindowList& children = GetChildren();
+    for ( wxWindowList::iterator i = children.begin(); i != children.end(); ++i )

     {
     {

-        wxWindow *win = node->GetData();
-        // Only refresh sub controls when it is visible
-        // and when it is in the update region.
-        if(!win->IsKindOf(CLASSINFO(wxTopLevelWindow)) && win->IsShown() && wxRegion(rectWin).Contains(win->GetRect()) != wxOutRegion)
-            win->Refresh(eraseBackground, &rectWin);
+        wxWindow *child = *i;
+        // only refresh subcontrols if they are visible:
+        if ( child->IsTopLevel() || !child->IsShown() || child->IsFrozen() )
+            continue;
+
+        // ...and when the subcontrols are in the update region:
+        wxRect childrect(child->GetRect());
+        childrect.Intersect(rectClient);
+        if ( childrect.IsEmpty() )
+            continue;

 
 

-        node = node->GetNext();
+        // refresh the subcontrol now:
+        childrect.Offset(-child->GetPosition());
+        // NB: We must call wxWindowNative version because we need to refresh
+        //     the entire control, not just its client area, and this is why we
+        //     don't account for child client area origin here neither. Also
+        //     note that we don't pass eraseBackground to the child, but use
+        //     true instead: this is because we can't be sure that
+        //     eraseBackground=false is safe for children as well and not only
+        //     for the parent.
+        child->wxWindowNative::Refresh(eraseBackground, &childrect);

     }
 }
 
     }
 }
 


@@ -604,7 +670,7 @@ void wxWindow::OnSize(wxSizeEvent& event)
             }
         }
         else
             }
         }
         else

-        if (HasFlag( wxSUNKEN_BORDER ) || HasFlag( wxRAISED_BORDER ))
+        if (HasFlag( wxSUNKEN_BORDER ) || HasFlag( wxRAISED_BORDER ) || HasFlag( wxBORDER_THEME ))

         {
             if (newSize.y > m_oldSize.y)
             {
         {
             if (newSize.y > m_oldSize.y)
             {


@@ -650,14 +716,9 @@ void wxWindow::OnSize(wxSizeEvent& event)
 #endif
 }
 
 #endif
 }
 

-wxSize wxWindow::DoGetBestSize() const
-{
-    return AdjustSize(DoGetBestClientSize());
-}
-
-wxSize wxWindow::DoGetBestClientSize() const
+wxSize wxWindow::DoGetBorderSize() const

 {
 {

-    return wxWindowNative::DoGetBestSize();
+    return AdjustSize(wxSize(0, 0));

 }
 
 wxSize wxWindow::AdjustSize(const wxSize& size) const
 }
 
 wxSize wxWindow::AdjustSize(const wxSize& size) const


@@ -702,8 +763,6 @@ void wxWindow::DoGetClientSize(int *width, int *height) const
     if ( m_renderer )
         rectBorder = m_renderer->GetBorderDimensions(GetBorder());
 
     if ( m_renderer )
         rectBorder = m_renderer->GetBorderDimensions(GetBorder());
 

-    bool inside = m_renderer->AreScrollbarsInsideBorder();
-

     if ( width )
     {
 #if wxUSE_SCROLLBAR
     if ( width )
     {
 #if wxUSE_SCROLLBAR


@@ -712,17 +771,8 @@ void wxWindow::DoGetClientSize(int *width, int *height) const
             w -= m_scrollbarVert->GetSize().x;
 #endif // wxUSE_SCROLLBAR
 
             w -= m_scrollbarVert->GetSize().x;
 #endif // wxUSE_SCROLLBAR
 

-        // if we don't have scrollbar or if it is outside the border (and not
-        // blended into it), take account of the right border as well
-        if (
-#if wxUSE_SCROLLBAR
-             !m_scrollbarVert ||
-#endif // wxUSE_SCROLLBAR
-             inside )
-            w -= rectBorder.width;
-
-        // and always account for the left border
-        *width = w - rectBorder.x;
+        // account for the left and right borders
+        *width = w - rectBorder.x - rectBorder.width;

 
         // we shouldn't return invalid width
         if ( *width < 0 )
 
         // we shouldn't return invalid width
         if ( *width < 0 )


@@ -736,14 +786,7 @@ void wxWindow::DoGetClientSize(int *width, int *height) const
             h -= m_scrollbarHorz->GetSize().y;
 #endif // wxUSE_SCROLLBAR
 
             h -= m_scrollbarHorz->GetSize().y;
 #endif // wxUSE_SCROLLBAR
 

-        if (
-#if wxUSE_SCROLLBAR
-            !m_scrollbarHorz ||
-#endif // wxUSE_SCROLLBAR
-            inside )
-            h -= rectBorder.height;
-
-        *height = h - rectBorder.y;
+        *height = h - rectBorder.y - rectBorder.height;

 
         // we shouldn't return invalid height
         if ( *height < 0 )
 
         // we shouldn't return invalid height
         if ( *height < 0 )


@@ -761,29 +804,18 @@ void wxWindow::DoSetClientSize(int width, int height)
     // and the scrollbars (as they may be offset into the border, use the
     // scrollbar position, not size - this supposes that PositionScrollbars()
     // had been called before)
     // and the scrollbars (as they may be offset into the border, use the
     // scrollbar position, not size - this supposes that PositionScrollbars()
     // had been called before)

-    bool inside = m_renderer->AreScrollbarsInsideBorder();

     wxSize size = GetSize();
 #if wxUSE_SCROLLBAR
     if ( m_scrollbarVert )
         width += size.x - m_scrollbarVert->GetPosition().x;
 #endif // wxUSE_SCROLLBAR
     wxSize size = GetSize();
 #if wxUSE_SCROLLBAR
     if ( m_scrollbarVert )
         width += size.x - m_scrollbarVert->GetPosition().x;
 #endif // wxUSE_SCROLLBAR

-    if (
-#if wxUSE_SCROLLBAR
-        !m_scrollbarVert ||
-#endif // wxUSE_SCROLLBAR
-        inside )
-        width += rectBorder.width;
+    width += rectBorder.width;

 
 #if wxUSE_SCROLLBAR
     if ( m_scrollbarHorz )
         height += size.y - m_scrollbarHorz->GetPosition().y;
 #endif // wxUSE_SCROLLBAR
 
 #if wxUSE_SCROLLBAR
     if ( m_scrollbarHorz )
         height += size.y - m_scrollbarHorz->GetPosition().y;
 #endif // wxUSE_SCROLLBAR

-    if (
-#if wxUSE_SCROLLBAR
-        !m_scrollbarHorz ||
-#endif // wxUSE_SCROLLBAR
-        inside )
-        height += rectBorder.height;
+    height += rectBorder.height;

 
     wxWindowNative::DoSetClientSize(width, height);
 }
 
     wxWindowNative::DoSetClientSize(width, height);
 }


@@ -888,7 +920,7 @@ void wxWindow::SetScrollbar(int orient,
 {
 #if wxUSE_SCROLLBAR
     wxASSERT_MSG( pageSize <= range,
 {
 #if wxUSE_SCROLLBAR
     wxASSERT_MSG( pageSize <= range,

-                    _T("page size can't be greater than range") );
+                    wxT("page size can't be greater than range") );

 
     bool hasClientSizeChanged = false;
     wxScrollBar *scrollbar = GetScrollbar(orient);
 
     bool hasClientSizeChanged = false;
     wxScrollBar *scrollbar = GetScrollbar(orient);


@@ -900,10 +932,10 @@ void wxWindow::SetScrollbar(int orient,
 #if wxUSE_TWO_WINDOWS
             SetInsertIntoMain( true );
 #endif
 #if wxUSE_TWO_WINDOWS
             SetInsertIntoMain( true );
 #endif

-            scrollbar = new wxScrollBar(this, wxID_ANY,
-                                        wxDefaultPosition, wxDefaultSize,
-                                        orient & wxVERTICAL ? wxSB_VERTICAL
-                                                            : wxSB_HORIZONTAL);
+            scrollbar = new wxWindowScrollBar(this, wxID_ANY,
+                                              wxDefaultPosition, wxDefaultSize,
+                                              orient & wxVERTICAL ? wxSB_VERTICAL
+                                                                  : wxSB_HORIZONTAL);

 #if wxUSE_TWO_WINDOWS
             SetInsertIntoMain( false );
 #endif
 #if wxUSE_TWO_WINDOWS
             SetInsertIntoMain( false );
 #endif


@@ -1076,31 +1108,37 @@ void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
         //          and scrolling direction
         //       2. if scrolling in both axes, scroll all children
 
         //          and scrolling direction
         //       2. if scrolling in both axes, scroll all children
 

+        bool shouldMove = false;
+

         if ( rect && (dx * dy == 0 /* moving in only one of x, y axis */) )
         {
             wxRect childRect = child->GetRect();
             if ( dx == 0 && (childRect.GetLeft() <= rect->GetRight() ||
                              childRect.GetRight() >= rect->GetLeft()) )
             {
         if ( rect && (dx * dy == 0 /* moving in only one of x, y axis */) )
         {
             wxRect childRect = child->GetRect();
             if ( dx == 0 && (childRect.GetLeft() <= rect->GetRight() ||
                              childRect.GetRight() >= rect->GetLeft()) )
             {

-                child->Move(child->GetPosition() + offset);
+                shouldMove = true;

             }
             else if ( dy == 0 && (childRect.GetTop() <= rect->GetBottom() ||
                                   childRect.GetBottom() >= rect->GetTop()) )
             {
             }
             else if ( dy == 0 && (childRect.GetTop() <= rect->GetBottom() ||
                                   childRect.GetBottom() >= rect->GetTop()) )
             {

-                child->Move(child->GetPosition() + offset);
+                shouldMove = true;

             }
             }

+            // else: child outside of scrolling shaft, don't move

         }
         }

-        else
+        else // scrolling in both axes or rect=NULL

         {
         {

-            child->Move(child->GetPosition() + offset);
+            shouldMove = true;

         }
         }

+
+        if ( shouldMove )
+            child->Move(child->GetPosition() + offset, wxSIZE_ALLOW_MINUS_ONE);

     }
 #endif // wxX11/!wxX11
 }
 
 wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal)
 {
     }
 #endif // wxX11/!wxX11
 }
 
 wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal)
 {

-    wxASSERT_MSG( !dx || !dy, _T("can't be used for diag scrolling") );
+    wxASSERT_MSG( !dx || !dy, wxT("can't be used for diag scrolling") );

 
     // the rect to refresh (which we will calculate)
     wxRect rect;
 
     // the rect to refresh (which we will calculate)
     wxRect rect;


@@ -1115,7 +1153,7 @@ wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal)
     // location
     wxSize sizeTotal = rectTotal ? rectTotal->GetSize() : GetClientSize();
 
     // location
     wxSize sizeTotal = rectTotal ? rectTotal->GetSize() : GetClientSize();
 

-    wxLogTrace(_T("scroll"), _T("rect is %dx%d, scroll by %d, %d"),
+    wxLogTrace(wxT("scroll"), wxT("rect is %dx%d, scroll by %d, %d"),

                sizeTotal.x, sizeTotal.y, dx, dy);
 
     // the initial and end point of the region we move in client coords
                sizeTotal.x, sizeTotal.y, dx, dy);
 
     // the initial and end point of the region we move in client coords


@@ -1133,7 +1171,7 @@ wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal)
     if ( size.x <= 0 || size.y <= 0 )
     {
         // just redraw everything as nothing of the displayed image will stay
     if ( size.x <= 0 || size.y <= 0 )
     {
         // just redraw everything as nothing of the displayed image will stay

-        wxLogTrace(_T("scroll"), _T("refreshing everything"));
+        wxLogTrace(wxT("scroll"), wxT("refreshing everything"));

 
         rect = rectTotal ? *rectTotal : wxRect(0, 0, sizeTotal.x, sizeTotal.y);
     }
 
         rect = rectTotal ? *rectTotal : wxRect(0, 0, sizeTotal.x, sizeTotal.y);
     }


@@ -1185,8 +1223,8 @@ wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal)
                   );
         dc.Blit(ptDest, size, &dcMem, wxPoint(0,0));
 
                   );
         dc.Blit(ptDest, size, &dcMem, wxPoint(0,0));
 

-        wxLogTrace(_T("scroll"),
-                   _T("Blit: (%d, %d) of size %dx%d -> (%d, %d)"),
+        wxLogTrace(wxT("scroll"),
+                   wxT("Blit: (%d, %d) of size %dx%d -> (%d, %d)"),

                    ptSource.x, ptSource.y,
                    size.x, size.y,
                    ptDest.x, ptDest.y);
                    ptSource.x, ptSource.y,
                    size.x, size.y,
                    ptDest.x, ptDest.y);


@@ -1217,7 +1255,7 @@ wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal)
 
             rect.height = sizeTotal.y;
 
 
             rect.height = sizeTotal.y;
 

-            wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"),
+            wxLogTrace(wxT("scroll"), wxT("refreshing (%d, %d)-(%d, %d)"),

                        rect.x, rect.y,
                        rect.GetRight() + 1, rect.GetBottom() + 1);
         }
                        rect.x, rect.y,
                        rect.GetRight() + 1, rect.GetBottom() + 1);
         }


@@ -1238,7 +1276,7 @@ wxRect wxWindow::ScrollNoRefresh(int dx, int dy, const wxRect *rectTotal)
 
             rect.width = sizeTotal.x;
 
 
             rect.width = sizeTotal.x;
 

-            wxLogTrace(_T("scroll"), _T("refreshing (%d, %d)-(%d, %d)"),
+            wxLogTrace(wxT("scroll"), wxT("refreshing (%d, %d)-(%d, %d)"),

                        rect.x, rect.y,
                        rect.GetRight() + 1, rect.GetBottom() + 1);
         }
                        rect.x, rect.y,
                        rect.GetRight() + 1, rect.GetBottom() + 1);
         }


@@ -1308,6 +1346,7 @@ void wxWindow::OnKeyDown(wxKeyEvent& event)
             }
 #endif // wxUSE_MENUS
 
             }
 #endif // wxUSE_MENUS
 

+#if wxUSE_BUTTON

             // if it wasn't in a menu, try to find a button
             if ( command != -1 )
             {
             // if it wasn't in a menu, try to find a button
             if ( command != -1 )
             {


@@ -1323,6 +1362,7 @@ void wxWindow::OnKeyDown(wxKeyEvent& event)
                     }
                 }
             }
                     }
                 }
             }

+#endif // wxUSE_BUTTON

 
             // don't propagate accels from the child frame to the parent one
             break;
 
             // don't propagate accels from the child frame to the parent one
             break;


@@ -1378,6 +1418,25 @@ void wxWindow::OnChar(wxKeyEvent& event)
         }
     }
 
         }
     }
 

+    // if Return was pressed, see if there's a default button to activate
+    if ( !event.HasModifiers() && event.GetKeyCode() == WXK_RETURN )
+    {
+        wxTopLevelWindow *
+            tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+        if ( tlw )
+        {
+            wxButton *btn = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
+            if ( btn )
+            {
+                wxCommandEvent evt(wxEVT_COMMAND_BUTTON_CLICKED, btn->GetId());
+                evt.SetEventObject(btn);
+                btn->Command(evt);
+                return;
+            }
+        }
+    }
+
+

     event.Skip();
 }
 
     event.Skip();
 }