void GridComponent::on_render_overlay(clan::Canvas &canvas, const clan::Rect &update_rect)
{
set_cliprect(canvas, get_size());
std::vector<GridObject *> selection = main_window->get_selection()->get_selection();
for (size_t i = 0; i < selection.size(); i++)
{
clan::Rect grabbers[8] =
{
selection[i]->get_grabber_e(),
selection[i]->get_grabber_se(),
selection[i]->get_grabber_s(),
selection[i]->get_grabber_sw(),
selection[i]->get_grabber_w(),
selection[i]->get_grabber_nw(),
selection[i]->get_grabber_n(),
selection[i]->get_grabber_ne()
};
for (int j=0; j<8; j++)
grabbers[j] = window_to_component_coords(selection[i]->component_to_window_coords(grabbers[j]));
clan::Rect pos = window_to_component_coords(selection[i]->component_to_window_coords(selection[i]->get_size()));
pos.expand(4,4,3,3);
canvas.draw_box( pos, clan::Colorf(100.0f/255.0f, 100.0f/255.0f, 100.0f/255.0f, 0.25f));
for (int j=0; j<8; j++)
{
canvas.fill_rect( grabbers[j], clan::Colorf::white);
canvas.draw_box( grabbers[j], clan::Colorf::black);
}
}
if (netselect_box.get_size() != clan::Size(0,0))
{
clan::Rect box = netselect_box;
box.translate(component_container->get_geometry().left, component_container->get_geometry().top);
clan::Colorf c = clan::Colorf::blue;
c.set_alpha(0.1f);
canvas.fill_rect( box, c);
canvas.draw_box( box, clan::Colorf::blue);
}
reset_cliprect(canvas);
}
CL_Point CL_GUIComponent::screen_to_component_coords(const CL_Point &screen_point) const
{
CL_GUITopLevelWindow *toplevel_window = impl->gui_manager.lock()->get_toplevel_window(this);
CL_Point client_point = impl->gui_manager.lock()->window_manager.screen_to_window(toplevel_window, screen_point, true);
return window_to_component_coords(client_point);
}
CL_Rect CL_GUIComponent::window_to_component_coords(const CL_Rect &rect) const
{
CL_Point tl = window_to_component_coords(rect.get_top_left());
CL_Point br = window_to_component_coords(rect.get_bottom_right());
return CL_Rect(tl.x, tl.y, br.x, br.y);
}
