listctrl.cpp

电驴的MAC源代码

    m_rect->y = y;
}

void wxListItemData::SetSize( int width, int height )
{
    wxCHECK_RET( m_rect, _T("unexpected SetSize() call") );

    if ( width != -1 )
        m_rect->width = width;
    if ( height != -1 )
        m_rect->height = height;
}

bool wxListItemData::IsHit( int x, int y ) const
{
    wxCHECK_MSG( m_rect, false, _T("can't be called in this mode") );

    return wxRect(GetX(), GetY(), GetWidth(), GetHeight()).Contains(x, y);
}

int wxListItemData::GetX() const
{
    wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") );

    return m_rect->x;
}

int wxListItemData::GetY() const
{
    wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") );

    return m_rect->y;
}

int wxListItemData::GetWidth() const
{
    wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") );

    return m_rect->width;
}

int wxListItemData::GetHeight() const
{
    wxCHECK_MSG( m_rect, 0, _T("can't be called in this mode") );

    return m_rect->height;
}

void wxListItemData::GetItem( wxListItem &info ) const
{
    long mask = info.m_mask;
    if ( !mask )
        // by default, get everything for backwards compatibility
        mask = -1;

    if ( mask & wxLIST_MASK_TEXT )
        info.m_text = m_text;
    if ( mask & wxLIST_MASK_IMAGE )
        info.m_image = m_image;
    if ( mask & wxLIST_MASK_DATA )
        info.m_data = m_data;

    if ( m_attr )
    {
        if ( m_attr->HasTextColour() )
            info.SetTextColour(m_attr->GetTextColour());
        if ( m_attr->HasBackgroundColour() )
            info.SetBackgroundColour(m_attr->GetBackgroundColour());
        if ( m_attr->HasFont() )
            info.SetFont(m_attr->GetFont());
    }
}

//-----------------------------------------------------------------------------
//  wxListHeaderData
//-----------------------------------------------------------------------------

void wxListHeaderData::Init()
{
    m_mask = 0;
    m_image = -1;
    m_format = 0;
    m_width = 0;
    m_xpos = 0;
    m_ypos = 0;
    m_height = 0;
    m_state = 0;
}

wxListHeaderData::wxListHeaderData()
{
    Init();
}

wxListHeaderData::wxListHeaderData( const wxListItem &item )
{
    Init();

    SetItem( item );
}

void wxListHeaderData::SetItem( const wxListItem &item )
{
    m_mask = item.m_mask;

    if ( m_mask & wxLIST_MASK_TEXT )
        m_text = item.m_text;

    if ( m_mask & wxLIST_MASK_IMAGE )
        m_image = item.m_image;

    if ( m_mask & wxLIST_MASK_FORMAT )
        m_format = item.m_format;

    if ( m_mask & wxLIST_MASK_WIDTH )
        SetWidth(item.m_width);

    if ( m_mask & wxLIST_MASK_STATE )
        SetState(item.m_state);
}

void wxListHeaderData::SetPosition( int x, int y )
{
    m_xpos = x;
    m_ypos = y;
}

void wxListHeaderData::SetHeight( int h )
{
    m_height = h;
}

void wxListHeaderData::SetWidth( int w )
{
    m_width = w < 0 ? WIDTH_COL_DEFAULT : w;
}

void wxListHeaderData::SetState( int flag )
{
    m_state = flag;
}

void wxListHeaderData::SetFormat( int format )
{
    m_format = format;
}

bool wxListHeaderData::HasImage() const
{
    return m_image != -1;
}

bool wxListHeaderData::IsHit( int x, int y ) const
{
    return ((x >= m_xpos) && (x <= m_xpos+m_width) && (y >= m_ypos) && (y <= m_ypos+m_height));
}

void wxListHeaderData::GetItem( wxListItem& item )
{
    item.m_mask = m_mask;
    item.m_text = m_text;
    item.m_image = m_image;
    item.m_format = m_format;
    item.m_width = m_width;
    item.m_state = m_state;
}

int wxListHeaderData::GetImage() const
{
    return m_image;
}

int wxListHeaderData::GetWidth() const
{
    return m_width;
}

int wxListHeaderData::GetFormat() const
{
    return m_format;
}

int wxListHeaderData::GetState() const
{
    return m_state;
}

//-----------------------------------------------------------------------------
//  wxListLineData
//-----------------------------------------------------------------------------

inline int wxListLineData::GetMode() const
{
    return m_owner->GetListCtrl()->GetWindowStyleFlag() & wxLC_MASK_TYPE;
}

inline bool wxListLineData::InReportView() const
{
    return m_owner->HasFlag(wxLC_REPORT);
}

inline bool wxListLineData::IsVirtual() const
{
    return m_owner->IsVirtual();
}

wxListLineData::wxListLineData( wxListMainWindow *owner )
{
    m_owner = owner;

    if ( InReportView() )
        m_gi = NULL;
    else // !report
        m_gi = new GeometryInfo;

    m_highlighted = false;

    InitItems( GetMode() == wxLC_REPORT ? m_owner->GetColumnCount() : 1 );
}

void wxListLineData::CalculateSize( wxDC *dc, int spacing )
{
    wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
    wxCHECK_RET( node, _T("no subitems at all??") );

    wxListItemData *item = node->GetData();

    wxString s;
    wxCoord lw, lh;

    switch ( GetMode() )
    {
        case wxLC_ICON:
        case wxLC_SMALL_ICON:
            m_gi->m_rectAll.width = spacing;

            s = item->GetText();

            if ( s.empty() )
            {
                lh =
                m_gi->m_rectLabel.width =
                m_gi->m_rectLabel.height = 0;
            }
            else // has label
            {
                dc->GetTextExtent( s, &lw, &lh );
                lw += EXTRA_WIDTH;
                lh += EXTRA_HEIGHT;

                m_gi->m_rectAll.height = spacing + lh;
                if (lw > spacing)
                    m_gi->m_rectAll.width = lw;

                m_gi->m_rectLabel.width = lw;
                m_gi->m_rectLabel.height = lh;
            }

            if (item->HasImage())
            {
                int w, h;
                m_owner->GetImageSize( item->GetImage(), w, h );
                m_gi->m_rectIcon.width = w + 8;
                m_gi->m_rectIcon.height = h + 8;

                if ( m_gi->m_rectIcon.width > m_gi->m_rectAll.width )
                    m_gi->m_rectAll.width = m_gi->m_rectIcon.width;
                if ( m_gi->m_rectIcon.height + lh > m_gi->m_rectAll.height - 4 )
                    m_gi->m_rectAll.height = m_gi->m_rectIcon.height + lh + 4;
            }

            if ( item->HasText() )
            {
                m_gi->m_rectHighlight.width = m_gi->m_rectLabel.width;
                m_gi->m_rectHighlight.height = m_gi->m_rectLabel.height;
            }
            else // no text, highlight the icon
            {
                m_gi->m_rectHighlight.width = m_gi->m_rectIcon.width;
                m_gi->m_rectHighlight.height = m_gi->m_rectIcon.height;
            }
            break;

        case wxLC_LIST:
            s = item->GetTextForMeasuring();

            dc->GetTextExtent( s, &lw, &lh );
            lw += EXTRA_WIDTH;
            lh += EXTRA_HEIGHT;

            m_gi->m_rectLabel.width = lw;
            m_gi->m_rectLabel.height = lh;

            m_gi->m_rectAll.width = lw;
            m_gi->m_rectAll.height = lh;

            if (item->HasImage())
            {
                int w, h;
                m_owner->GetImageSize( item->GetImage(), w, h );
                m_gi->m_rectIcon.width = w;
                m_gi->m_rectIcon.height = h;

                m_gi->m_rectAll.width += 4 + w;
                if (h > m_gi->m_rectAll.height)
                    m_gi->m_rectAll.height = h;
            }

            m_gi->m_rectHighlight.width = m_gi->m_rectAll.width;
            m_gi->m_rectHighlight.height = m_gi->m_rectAll.height;
            break;

        case wxLC_REPORT:
            wxFAIL_MSG( _T("unexpected call to SetSize") );
            break;

        default:
            wxFAIL_MSG( _T("unknown mode") );
            break;
    }
}

void wxListLineData::SetPosition( int x, int y, int spacing )
{
    wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
    wxCHECK_RET( node, _T("no subitems at all??") );

    wxListItemData *item = node->GetData();

    switch ( GetMode() )
    {
        case wxLC_ICON:
        case wxLC_SMALL_ICON:
            m_gi->m_rectAll.x = x;
            m_gi->m_rectAll.y = y;

            if ( item->HasImage() )
            {
                m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 4 +
                    (m_gi->m_rectAll.width - m_gi->m_rectIcon.width) / 2;
                m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 4;
            }

            if ( item->HasText() )
            {
                if (m_gi->m_rectAll.width > spacing)
                    m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2);
                else
                    m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2) + (spacing / 2) - (m_gi->m_rectLabel.width / 2);
                m_gi->m_rectLabel.y = m_gi->m_rectAll.y + m_gi->m_rectAll.height + 2 - m_gi->m_rectLabel.height;
                m_gi->m_rectHighlight.x = m_gi->m_rectLabel.x - 2;
                m_gi->m_rectHighlight.y = m_gi->m_rectLabel.y - 2;
            }
            else // no text, highlight the icon
            {
                m_gi->m_rectHighlight.x = m_gi->m_rectIcon.x - 4;
                m_gi->m_rectHighlight.y = m_gi->m_rectIcon.y - 4;
            }
            break;

        case wxLC_LIST:
            m_gi->m_rectAll.x = x;
            m_gi->m_rectAll.y = y;

            m_gi->m_rectHighlight.x = m_gi->m_rectAll.x;
            m_gi->m_rectHighlight.y = m_gi->m_rectAll.y;
            m_gi->m_rectLabel.y = m_gi->m_rectAll.y + 2;

            if (item->HasImage())
            {
                m_gi->m_rectIcon.x = m_gi->m_rectAll.x + 2;
                m_gi->m_rectIcon.y = m_gi->m_rectAll.y + 2;
                m_gi->m_rectLabel.x = m_gi->m_rectAll.x + 4 + (EXTRA_WIDTH/2) + m_gi->m_rectIcon.width;
            }
            else
            {
                m_gi->m_rectLabel.x = m_gi->m_rectAll.x + (EXTRA_WIDTH/2);
            }
            break;

        case wxLC_REPORT:
            wxFAIL_MSG( _T("unexpected call to SetPosition") );
            break;

        default:
            wxFAIL_MSG( _T("unknown mode") );
            break;
    }
}

void wxListLineData::InitItems( int num )
{
    for (int i = 0; i < num; i++)
        m_items.Append( new wxListItemData(m_owner) );
}

void wxListLineData::SetItem( int index, const wxListItem &info )
{
    wxListItemDataList::compatibility_iterator node = m_items.Item( index );
    wxCHECK_RET( node, _T("invalid column index in SetItem") );

    wxListItemData *item = node->GetData();
    item->SetItem( info );
}

void wxListLineData::GetItem( int index, wxListItem &info )
{
    wxListItemDataList::compatibility_iterator node = m_items.Item( index );
    if (node)
    {
        wxListItemData *item = node->GetData();
        item->GetItem( info );
    }
}

wxString wxListLineData::GetText(int index) const
{
    wxString s;

    wxListItemDataList::compatibility_iterator node = m_items.Item( index );
    if (node)
    {
        wxListItemData *item = node->GetData();
        s = item->GetText();
    }

    return s;
}

void wxListLineData::SetText( int index, const wxString& s )
{
    wxListItemDataList::compatibility_iterator node = m_items.Item( index );
    if (node)
    {
        wxListItemData *item = node->GetData();
        item->SetText( s );
    }
}

void wxListLineData::SetImage( int index, int image )
{
    wxListItemDataList::compatibility_iterator node = m_items.Item( index );
    wxCHECK_RET( node, _T("invalid column index in SetImage()") );

    wxListItemData *item = node->GetData();
    item->SetImage(image);
}

int wxListLineData::GetImage( int index ) const
{
    wxListItemDataList::compatibility_iterator node = m_items.Item( index );
    wxCHECK_MSG( node, -1, _T("invalid column index in GetImage()") );

    wxListItemData *item = node->GetData();
    return item->GetImage();
}

wxListItemAttr *wxListLineData::GetAttr() const
{
    wxListItemDataList::compatibility_iterator node = m_items.GetFirst();
    wxCHECK_MSG( node, NULL, _T("invalid column index in GetAttr()") );