toolbar.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

    // Find the maximum tool width and height
    wxToolBarToolsList::Node *node = m_tools.GetFirst();
    while ( node )
    {
        wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
        wxSize sz = tool->GetSize() ;

        if ( sz.x > maxToolWidth )
            maxToolWidth = sz.x ;
        if (sz.y> maxToolHeight)
            maxToolHeight = sz.y;

        node = node->GetNext();
    }

    node = m_tools.GetFirst();
    while (node)
    {
        wxToolBarTool *tool = (wxToolBarTool *)node->GetData();
        wxSize cursize = tool->GetSize() ;

        // for the moment we just do a single row/column alignement
        if ( x + cursize.x > maxWidth )
            maxWidth = x + cursize.x ;
        if ( y + cursize.y > maxHeight )
            maxHeight = y + cursize.y ;

        tool->SetPosition( wxPoint( x , y ) ) ;

        if ( GetWindowStyleFlag() & wxTB_VERTICAL )
        {
            y += cursize.y ;
        }
        else
        {
            x += cursize.x ;
        }

        node = node->GetNext();
    }

    if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
    {
        if ( m_maxRows == 0 )
        {
            // if not set yet, only one row
            SetRows(1);
        }
        maxWidth = tw ;
        maxHeight += m_yMargin + kwxMacToolBarTopMargin;
        m_maxHeight = maxHeight ;
    }
    else
    {
        if ( GetToolsCount() > 0 && m_maxRows == 0 )
        {
            // if not set yet, have one column
            SetRows(GetToolsCount());
        }
        maxHeight = th ;
        maxWidth += m_xMargin + kwxMacToolBarLeftMargin;
        m_maxWidth = maxWidth ;
    }

    SetSize(maxWidth, maxHeight);
    InvalidateBestSize();

    return true;
}

void wxToolBar::SetToolBitmapSize(const wxSize& size)
{
    m_defaultWidth = size.x+4; m_defaultHeight = size.y+4;
}

// The button size is bigger than the bitmap size
wxSize wxToolBar::GetToolSize() const
{
    return wxSize(m_defaultWidth + 4, m_defaultHeight + 4);
}

void wxToolBar::MacHandleControlClick( WXWidget control , wxInt16 controlpart , bool WXUNUSED( mouseStillDown ) )
{
    wxToolBarToolsList::Node *node;
    for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
    {
        wxToolBarTool* tool = (wxToolBarTool*) node->GetData() ;
        if ( tool->IsButton() )
        {
           if( (WXWidget) tool->GetControlHandle() == control )
           {
                if ( tool->CanBeToggled() )
                {
                    tool->Toggle( GetControl32BitValue( (ControlHandle) control ) ) ;
                }
                OnLeftClick( tool->GetId() , tool -> IsToggled() ) ;
                break ;
           }
        }
    }
}

void wxToolBar::SetRows(int nRows)
{
    if ( nRows == m_maxRows )
    {
        // avoid resizing the frame uselessly
        return;
    }

    m_maxRows = nRows;
}

void wxToolBar::MacSuperChangedPosition()
{
    wxWindow::MacSuperChangedPosition() ;
    Realize() ;
}

wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord x, wxCoord y) const
{
    wxToolBarToolsList::Node *node = m_tools.GetFirst();
    while (node)
    {
        wxToolBarTool *tool = (wxToolBarTool *)node->GetData() ;
        wxRect2DInt r( tool->GetPosition() , tool->GetSize() ) ;
        if ( r.Contains( wxPoint( x , y ) ) )
        {
            return tool;
        }

        node = node->GetNext();
    }

    return (wxToolBarToolBase *)NULL;
}

wxString wxToolBar::MacGetToolTipString( wxPoint &pt )
{
    wxToolBarToolBase* tool = FindToolForPosition( pt.x , pt.y ) ;
    if ( tool )
    {
        return tool->GetShortHelp() ;
    }
    return wxEmptyString ;
}

void wxToolBar::DoEnableTool(wxToolBarToolBase *t, bool enable)
{
    if (!IsShown())
        return ;

    wxToolBarTool *tool = (wxToolBarTool *)t;
    if ( tool->IsControl() )
    {
        tool->GetControl()->Enable( enable ) ;
    }
    else if ( tool->IsButton() )
    {
        if ( enable )
            UMAActivateControl( tool->GetControlHandle() ) ;
        else
            UMADeactivateControl( tool->GetControlHandle() ) ;
    }
}

void wxToolBar::DoToggleTool(wxToolBarToolBase *t, bool toggle)
{
    if (!IsShown())
        return ;

    wxToolBarTool *tool = (wxToolBarTool *)t;
    if ( tool->IsButton() )
    {
        ::SetControl32BitValue( tool->GetControlHandle() , toggle ) ;
    }
}

bool wxToolBar::DoInsertTool(size_t WXUNUSED(pos),
                             wxToolBarToolBase *tool)
{
    // nothing special to do here - we relayout in Realize() later
    tool->Attach(this);
    InvalidateBestSize();

    return true;
}

void wxToolBar::DoSetToggle(wxToolBarToolBase *WXUNUSED(tool), bool WXUNUSED(toggle))
{
    wxFAIL_MSG( _T("not implemented") );
}

bool wxToolBar::DoDeleteTool(size_t WXUNUSED(pos), wxToolBarToolBase *tool)
{
    wxToolBarToolsList::Node *node;
    for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
    {
        wxToolBarToolBase *tool2 = node->GetData();
        if ( tool2 == tool )
        {
            // let node point to the next node in the list
            node = node->GetNext();

            break;
        }
    }

    wxSize sz = ((wxToolBarTool*)tool)->GetSize() ;

    tool->Detach();

    // and finally reposition all the controls after this one

    for ( /* node -> first after deleted */ ; node; node = node->GetNext() )
    {
        wxToolBarTool *tool2 = (wxToolBarTool*) node->GetData();
        wxPoint pt = tool2->GetPosition() ;

        if ( GetWindowStyleFlag() & wxTB_VERTICAL )
        {
            pt.y -= sz.y ;
        }
        else
        {
            pt.x -= sz.x ;
        }
        tool2->SetPosition( pt ) ;
    }

    InvalidateBestSize();
    return true ;
}

void wxToolBar::OnPaint(wxPaintEvent& event)
{
    wxPaintDC dc(this) ;
    wxMacPortSetter helper(&dc) ;

    Rect toolbarrect = { dc.YLOG2DEVMAC(0) , dc.XLOG2DEVMAC(0) ,
        dc.YLOG2DEVMAC(m_height) , dc.XLOG2DEVMAC(m_width) } ;
    UMADrawThemePlacard( &toolbarrect , IsEnabled() ? kThemeStateActive : kThemeStateInactive) ;
    {
        wxToolBarToolsList::Node *node;
        for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
        {
            wxToolBarTool* tool = (wxToolBarTool*) node->GetData() ;
            if ( tool->IsButton() )
            {
               UMADrawControl( tool->GetControlHandle() ) ;
            }
        }
    }
}

void  wxToolBar::OnMouse( wxMouseEvent &event )
{
    if (event.GetEventType() == wxEVT_LEFT_DOWN || event.GetEventType() == wxEVT_LEFT_DCLICK )
    {

        int x = event.m_x ;
        int y = event.m_y ;

        MacClientToRootWindow( &x , &y ) ;

        ControlHandle   control ;
        Point       localwhere ;
        SInt16      controlpart ;
        WindowRef   window = (WindowRef) MacGetRootWindow() ;

        localwhere.h = x ;
        localwhere.v = y ;

        short modifiers = 0;

        if ( !event.m_leftDown && !event.m_rightDown )
            modifiers  |= btnState ;

        if ( event.m_shiftDown )
            modifiers |= shiftKey ;

        if ( event.m_controlDown )
            modifiers |= controlKey ;

        if ( event.m_altDown )
            modifiers |= optionKey ;

        if ( event.m_metaDown )
            modifiers |= cmdKey ;

        controlpart = ::FindControl( localwhere , window , &control ) ;
        {
            if ( control && ::IsControlActive( control ) )
            {
                {
                    controlpart = ::HandleControlClick( control , localwhere , modifiers , (ControlActionUPP) -1 ) ;
                    wxTheApp->s_lastMouseDown = 0 ;
                    if ( control && controlpart != kControlNoPart ) // otherwise we will get the event twice
                    {
                        MacHandleControlClick( (WXWidget) control , controlpart , false /* not down anymore */ ) ;
                    }
                }
            }
        }
    }
}

#endif // wxUSE_TOOLBAR