Method OnDraw

engine/Poseidon/UI/Controls/UIControlsImpl.cpp:397–437

}

void CListBox::OnDraw(float alpha)
{
    const int w = GLOB_ENGINE->Width2D();
    const int h = GLOB_ENGINE->Height2D();

    float xx = toInt(_x * w) + 0.5;
    float yy = toInt(_y * h) + 0.5;
    float ww = toInt(_w * w);
    float hh = toInt(_h * h);

    PackedColor ftColor = ModAlpha(_ftColor, alpha);
    PackedColor selColor = ModAlpha(_selColor, alpha);

    // draw list
    DrawRect(xx, yy, xx + ww, yy + hh, ftColor);

    // draw scrollbar
    Rect2DFloat rect(_x, _y, _w, _h);
    if (GetSize() > _showStrings)
    {
        _scrollbar.Enable(true);
        _scrollbar.SetPosition((_x + _w - sbWidth) * _scale, _y * _scale, sbWidth * _scale, _h * _scale);
        _scrollbar.SetRange(0, GetSize(), _showStrings);
        _scrollbar.SetPos(_topString);
        _scrollbar.OnDraw(alpha);
        rect.w -= sbWidth;
    }
    else
    {
        _scrollbar.Enable(false);
    }
    int i = toIntFloor(_topString);
    float top = _y - (_topString - i) * _rowHeight;
    bool canSelect = IsEnabled() /* && !IsReadOnly()*/;
    while (top < _y + _h && i < GetSize())
    {
        DrawItem(alpha, i, i == GetCurSel() && canSelect, top, rect);
        top += _rowHeight;
        i++;
    }
}

void CListBox::DrawItem(float alpha, int i, bool selected, float top, Rect2DFloat& rect)
{