void UIWidget::Draw(DrawContext& c){
if(display_mode == DisplayMode::Invisible) return;
const Size2D drawsize = c.Size();
if(drawsize.IsEmpty()){
needs_redrawing = false;
return;
}
if(drawsize != current_size){
std::cout << "WARNING: Implicitly calling Resize, because the draw "
"context size " << drawsize.ToString() << " is incoherent with widget "
"stored size " << current_size.ToString() << "!" << std::endl;
//throw Exception("");
Resize(drawsize);
}
if(needs_redrawing){
//std::cout << "Needs redrawing. " << cache_texture->GetSize().ToString() << std::endl;
c.Push(cache_texture, drawsize.width, drawsize.height);
if(IsDrawn()){
c.Clear(clear_color);
CustomDraw(c);
c.SetColor(overlay_color);
c.Fill();
}else{
c.Clear();
}
c.Pop();
}else{
//std::cout << "No need to redraw. " << cache_texture->GetSize().ToString() << std::endl;
}
c.DrawTexture(cache_texture);
current_size = drawsize;
needs_redrawing = false;
}
void Container::Draw( bool draw ) {
Widget::Draw( draw );
std::size_t children_size = m_children.size();
for( std::size_t index = 0; index < children_size; ++index ) {
m_children[index]->Draw( IsDrawn() && IsVisible() );
}
}
void Container::HandleVisibilityChange() {
Widget::HandleVisibilityChange();
std::size_t children_size = m_children.size();
for( std::size_t index = 0; index < children_size; ++index ) {
m_children[index]->Draw( IsDrawn() );
m_children[index]->HandleParentVisibilityChange();
}
}