Surface* List::render(void)
{
Surface *buffer = new Surface(width, height);
buffer->fill(background);
std::vector<ValueObject*>::iterator lit(values.begin()), lend(values.end());
int i=0;
int cy = 0;
SDL_Rect *src = new SDL_Rect();
SDL_Rect *dst = new SDL_Rect();
PRect rect = PRect();
rect.setX(0);
rect.setWidth(width);
rect.setHeight(lineHeight);
if(_showScrollButtons)
{
rect.setWidth(width - upArrow->getWidth());
}
for(;lit!=lend;++lit)
{
if(i >= viewIndex)
{
Surface *str_sur;
ValueObject *vo = (*lit);
bool free_str = false;
if(i == selectedIndex)
{
free_str = true;
str_sur = font->renderText(vo->getText(), highlightForeground);
rect.setY(cy);
rect.fill(buffer->getSDLSurface(), highlightBackground);
}
else
{
str_sur = strBuffers[vo->getId()];
}
str_sur->updateSDLRect(src);
str_sur->updateSDLRect(dst, 0, cy);
buffer->blit(str_sur, src, dst);
if(free_str)
{
delete str_sur;
}
cy += lineHeight;
}
i++;
if(cy > height - lineHeight && viewIndex == 0)
{
_showScrollButtons = true;
break;
}
}
if(cy < height && viewIndex == 0)
{
_showScrollButtons = false;
}
if(_showScrollButtons)
{
upArrow->updateSDLRect(src);
upArrow->updateSDLRect(dst, width - upArrow->getWidth(), 0);
buffer->blit(upArrow, src, dst);
downArrow->updateSDLRect(src);
downArrow->updateSDLRect(dst, width - downArrow->getWidth(), height - downArrow->getHeight());
buffer->blit(downArrow, src, dst);
}
if(drawBorder)
{
PRect border = PRect(0, 0, width, height);
buffer->draw(&border, foreground);
}
delete src;
delete dst;
return buffer;
}
