window.cpp

Wxpython Implemented on Windows CE, Source code

    RgnHandle rgn = NewRgn() ;
    if ( m_peer->GetRegion( kControlContentMetaPart , rgn ) == noErr )
    {
        Rect content, structure ;
        GetRegionBounds( rgn , &content ) ;
        m_peer->GetRect( &structure ) ;

        // structure is in parent coordinates, but we only need width and height, so it's ok

        sizeTotal.x += (structure.right - structure.left) - (content.right - content.left) ;
        sizeTotal.y += (structure.bottom - structure.top) - (content.bottom - content.top) ;
    }

    DisposeRgn( rgn ) ;

    sizeTotal.x += MacGetLeftBorderSize() + MacGetRightBorderSize() ;
    sizeTotal.y += MacGetTopBorderSize() + MacGetBottomBorderSize() ;

    return sizeTotal;
}

// Get size *available for subwindows* i.e. excluding menu bar etc.
void wxWindowMac::DoGetClientSize( int *x, int *y ) const
{
    int ww, hh;

    RgnHandle rgn = NewRgn() ;
    Rect content ;
    if ( m_peer->GetRegion( kControlContentMetaPart , rgn ) == noErr )
        GetRegionBounds( rgn , &content ) ;
    else
        m_peer->GetRect( &content ) ;
    DisposeRgn( rgn ) ;

    ww = content.right - content.left ;
    hh = content.bottom - content.top ;

    if (m_hScrollBar  && m_hScrollBar->IsShown() )
        hh -= m_hScrollBar->GetSize().y ;

    if (m_vScrollBar  && m_vScrollBar->IsShown() )
        ww -= m_vScrollBar->GetSize().x ;

    if (x)
       *x = ww;
    if (y)
       *y = hh;
}

bool wxWindowMac::SetCursor(const wxCursor& cursor)
{
    if (m_cursor == cursor)
        return false;

    if (wxNullCursor == cursor)
    {
        if ( ! wxWindowBase::SetCursor( *wxSTANDARD_CURSOR ) )
            return false ;
    }
    else
    {
        if ( ! wxWindowBase::SetCursor( cursor ) )
            return false ;
    }

    wxASSERT_MSG( m_cursor.Ok(),
        wxT("cursor must be valid after call to the base version"));

    wxWindowMac *mouseWin = 0 ;
    {
        wxTopLevelWindowMac *tlw = MacGetTopLevelWindow() ;
        WindowRef window = (WindowRef) ( tlw ? tlw->MacGetWindowRef() : 0 ) ;
        CGrafPtr savePort ;
        Boolean swapped = QDSwapPort( GetWindowPort( window ) , &savePort ) ;

        // TODO: If we ever get a GetCurrentEvent... replacement
        // for the mouse position, use it...

        Point pt ;
        ControlPartCode part ;
        ControlRef control ;

        GetMouse( &pt ) ;
        control = wxMacFindControlUnderMouse( tlw , pt , window , &part ) ;
        if ( control )
            mouseWin = wxFindControlFromMacControl( control ) ;

        if ( swapped )
            QDSwapPort( savePort , NULL ) ;
    }

    if ( mouseWin == this && !wxIsBusy() )
        m_cursor.MacInstall() ;

    return true ;
}

#if wxUSE_MENUS
bool wxWindowMac::DoPopupMenu(wxMenu *menu, int x, int y)
{
    menu->SetInvokingWindow(this);
    menu->UpdateUI();

    if ( x == wxDefaultCoord && y == wxDefaultCoord )
    {
        wxPoint mouse = wxGetMousePosition();
        x = mouse.x;
        y = mouse.y;
    }
    else
    {
        ClientToScreen( &x , &y ) ;
    }

    menu->MacBeforeDisplay( true ) ;
    long menuResult = ::PopUpMenuSelect((MenuHandle) menu->GetHMenu() , y, x, 0) ;
    if ( HiWord(menuResult) != 0 )
    {
        MenuCommand macid;
        GetMenuItemCommandID( GetMenuHandle(HiWord(menuResult)) , LoWord(menuResult) , &macid );
        int id = wxMacCommandToId( macid );
        wxMenuItem* item = NULL ;
        wxMenu* realmenu ;
        item = menu->FindItem( id, &realmenu ) ;
        if ( item )
        {
            if (item->IsCheckable())
                item->Check( !item->IsChecked() ) ;

            menu->SendEvent( id , item->IsCheckable() ? item->IsChecked() : -1 ) ;
        }
    }

    menu->MacAfterDisplay( true ) ;
    menu->SetInvokingWindow( NULL );

  return true;
}
#endif

// ----------------------------------------------------------------------------
// tooltips
// ----------------------------------------------------------------------------

#if wxUSE_TOOLTIPS

void wxWindowMac::DoSetToolTip(wxToolTip *tooltip)
{
    wxWindowBase::DoSetToolTip(tooltip);

    if ( m_tooltip )
        m_tooltip->SetWindow(this);
}

#endif

void wxWindowMac::MacInvalidateBorders()
{
    if ( m_peer == NULL )
        return ;

    bool vis = MacIsReallyShown() ;
    if ( !vis )
        return ;

    int outerBorder = MacGetLeftBorderSize() ;
    if ( m_peer->NeedsFocusRect() && m_peer->HasFocus() )
        outerBorder += 4 ;

    if ( outerBorder == 0 )
        return ;

    // now we know that we have something to do at all

    // as the borders are drawn on the parent we have to properly invalidate all these areas
    RgnHandle updateInner , updateOuter;
    Rect rect ;

    // this rectangle is in HIViewCoordinates under OSX and in Window Coordinates under Carbon
    updateInner = NewRgn() ;
    updateOuter = NewRgn() ;

    m_peer->GetRect( &rect ) ;
    RectRgn( updateInner, &rect ) ;
    InsetRect( &rect , -outerBorder , -outerBorder ) ;
    RectRgn( updateOuter, &rect ) ;
    DiffRgn( updateOuter, updateInner , updateOuter ) ;

#ifdef __WXMAC_OSX__
    GetParent()->m_peer->SetNeedsDisplay( updateOuter ) ;
#else
    WindowRef tlw = (WindowRef) MacGetTopLevelWindowRef() ;
    if ( tlw )
        InvalWindowRgn( tlw , updateOuter ) ;
#endif

    DisposeRgn( updateOuter ) ;
    DisposeRgn( updateInner ) ;
}

void wxWindowMac::DoMoveWindow(int x, int y, int width, int height)
{
    // this is never called for a toplevel window, so we know we have a parent
    int former_x , former_y , former_w, former_h ;

    // Get true coordinates of former position
    DoGetPosition( &former_x , &former_y ) ;
    DoGetSize( &former_w , &former_h ) ;

    wxWindow *parent = GetParent();
    if ( parent )
    {
        wxPoint pt(parent->GetClientAreaOrigin());
        former_x += pt.x ;
        former_y += pt.y ;
    }

    int actualWidth = width ;
    int actualHeight = height ;
    int actualX = x;
    int actualY = y;

    if ((m_minWidth != -1) && (actualWidth < m_minWidth))
        actualWidth = m_minWidth;
    if ((m_minHeight != -1) && (actualHeight < m_minHeight))
        actualHeight = m_minHeight;
    if ((m_maxWidth != -1) && (actualWidth > m_maxWidth))
        actualWidth = m_maxWidth;
    if ((m_maxHeight != -1) && (actualHeight > m_maxHeight))
        actualHeight = m_maxHeight;

    bool doMove = false, doResize = false ;

    if ( actualX != former_x || actualY != former_y )
        doMove = true ;

    if ( actualWidth != former_w || actualHeight != former_h )
        doResize = true ;

    if ( doMove || doResize )
    {
        // as the borders are drawn outside the native control, we adjust now

        wxRect bounds( wxPoint( actualX + MacGetLeftBorderSize() ,actualY + MacGetTopBorderSize() ),
            wxSize( actualWidth - (MacGetLeftBorderSize() + MacGetRightBorderSize()) ,
                actualHeight - (MacGetTopBorderSize() + MacGetBottomBorderSize()) ) ) ;

        Rect r ;
        wxMacRectToNative( &bounds , &r ) ;

        if ( !GetParent()->IsTopLevel() )
            wxMacWindowToNative( GetParent() , &r ) ;

        MacInvalidateBorders() ;

        m_cachedClippedRectValid = false ;
        m_peer->SetRect( &r ) ;

        wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified

        MacInvalidateBorders() ;

        MacRepositionScrollBars() ;
        if ( doMove )
        {
            wxPoint point(actualX, actualY);
            wxMoveEvent event(point, m_windowId);
            event.SetEventObject(this);
            GetEventHandler()->ProcessEvent(event) ;
        }

        if ( doResize )
        {
            MacRepositionScrollBars() ;
            wxSize size(actualWidth, actualHeight);
            wxSizeEvent event(size, m_windowId);
            event.SetEventObject(this);
            GetEventHandler()->ProcessEvent(event);
        }
    }
}

wxSize wxWindowMac::DoGetBestSize() const
{
    if ( m_macIsUserPane || IsTopLevel() )
        return wxWindowBase::DoGetBestSize() ;

    Rect    bestsize = { 0 , 0 , 0 , 0 } ;
    int bestWidth, bestHeight ;

    m_peer->GetBestRect( &bestsize ) ;
    if ( EmptyRect( &bestsize ) )
    {
        bestsize.left =
        bestsize.top = 0 ;
        bestsize.right =
        bestsize.bottom = 16 ;

        if ( IsKindOf( CLASSINFO( wxScrollBar ) ) )
        {
            bestsize.bottom = 16 ;
        }
#if wxUSE_SPINBTN
        else if ( IsKindOf( CLASSINFO( wxSpinButton ) ) )
        {
            bestsize.bottom = 24 ;
        }
#endif
        else
        {
            // return wxWindowBase::DoGetBestSize() ;
        }
    }

    bestWidth = bestsize.right - bestsize.left ;
    bestHeight = bestsize.bottom - bestsize.top ;
    if ( bestHeight < 10 )
        bestHeight = 13 ;

    return wxSize(bestWidth, bestHeight);
}

// set the size of the window: if the dimensions are positive, just use them,
// but if any of them is equal to -1, it means that we must find the value for
// it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
// which case -1 is a valid value for x and y)
//
// If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
// the width/height to best suit our contents, otherwise we reuse the current
// width/height
void wxWindowMac::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
    // get the current size and position...
    int currentX, currentY;
    int currentW, currentH;

    GetPosition(&currentX, &currentY);
    GetSize(&currentW, &currentH);

    // ... and don't do anything (avoiding flicker) if it's already ok
    if ( x == currentX && y == currentY &&
        width == currentW && height == currentH && ( height != -1 && width != -1 ) )
    {
        // TODO: REMOVE
        MacRepositionScrollBars() ; // we might have a real position shift

        return;
    }

    if ( !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
    {
        if ( x == wxDefaultCoord )
            x = currentX;
        if ( y == wxDefaultCoord )
            y = currentY;
    }

    AdjustForParentClientOrigin( x, y, sizeFlags );

    wxSize size = wxDefaultSize;
    if ( width == wxDefaultCoord )
    {
        if ( sizeFlags & wxSIZE_AUTO_WIDTH )
        {
            size = DoGetBestSize();
            width = size.x;
        }
        else
        {
            // just take the current one
            width = currentW;
        }
    }

    if ( height == wxDefaultCoord )
    {
        if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
        {
            if ( size.x == wxDefaultCoord )
                size = DoGetBestSize();
            // else: already called DoGetBestSize() above

            height = size.y;
        }
        else
        {
            // just take the current one
            height = currentH;
        }
    }

    DoMoveWindow( x, y, width, height );
}

wxPoint wxWindowMac::GetClientAreaOrigin() const
{
    RgnHandle rgn = NewRgn() ;
    Rect content ;
    if ( m_peer->GetRegion( kControlContentMetaPart , rgn ) == noErr )
    {
        GetRegionBounds( rgn , &content ) ;
    }
    else
    {
        content.left =
        content.top = 0 ;
    }

    DisposeRgn( rgn ) ;

    return wxPoint( content.left + MacGetLeftBorderSize() , conte