GUIComponent *GUIComponent::get_component_at(const Point &point)
{
if (is_visible() == false)
{
return 0;
}
else
{
Rect parent_rect = get_size();
if( parent_rect.contains(point) )
{
std::vector<GUIComponent *> children = get_child_components();
std::size_t pos, size = children.size();
for( pos=size; pos>0; pos-- )
{
GUIComponent *child = children[pos-1];
if(child->is_visible())
{
if (child->get_geometry().contains(point))
{
Point P = point;
P.x -= child->get_geometry().left;
P.y -= child->get_geometry().top;
GUIComponent *comp = child->get_component_at(P);
if (comp)
return comp;
else
return child;
}
}
}
return this;
}
else
{
return 0;
}
}
}
void GUIComponent::render(Canvas &canvas, const Rect &clip_rect, bool include_children)
{
if (!impl->visible)
return;
Rect viewport = get_top_level_component()->get_size();
CSSResourceCache *resource_cache = &impl->gui_manager_impl->resource_cache;
CSSLayoutGraphics graphics(canvas, resource_cache, viewport, 0);
Rect border_box = get_size();
Rect padding_box = Rect(border_box).shrink(impl->css_used_values.border.left, impl->css_used_values.border.top, impl->css_used_values.border.right, impl->css_used_values.border.bottom);
Rect content_box = Rect(padding_box).shrink(impl->css_used_values.padding.left, impl->css_used_values.padding.top, impl->css_used_values.padding.right, impl->css_used_values.padding.bottom);
CSSBackgroundRenderer background(&graphics, resource_cache, impl->element.get_css_values().get_background());
background.set_border_box(border_box);
background.set_padding_box(padding_box);
background.set_content_box(content_box);
background.set_initial_containing_box(get_top_level_component()->get_viewport());
background.render();
CSSBorderRenderer border(&graphics, resource_cache, impl->element.get_css_values().get_border());
border.set_border_box(border_box);
border.set_border_values(impl->css_used_values.border.left, impl->css_used_values.border.top, impl->css_used_values.border.right, impl->css_used_values.border.bottom);
border.render();
if (impl->func_render.is_null() == false)
{
impl->func_render.invoke(canvas, clip_rect);
}
else
{
//GUIThemePart part(this);
//Rect geometry = get_size();
//part.render_box(canvas, RectPS(0, 0, geometry.get_width(), geometry.get_height()), clip_rect);
}
if (include_children)
{
if (impl->clip_children)
{
push_cliprect(canvas, impl->clip_children_rect);
}
GUIComponent *cur = impl->first_child;
while (cur)
{
Rect cur_geometry = cur->get_geometry();
Rect update_rect = component_to_window_coords(clip_rect);
update_rect.overlap(component_to_window_coords(cur_geometry));
if (update_rect.get_width() > 0 && update_rect.get_height() > 0)
{
Rect child_dirty_rect = cur->window_to_component_coords(update_rect);
canvas.push_translate((float)cur_geometry.left, (float)cur_geometry.top);
cur->render(canvas, child_dirty_rect, true);
canvas.pop_modelview();
}
cur = cur->impl->next_sibling;
}
if (impl->clip_children)
{
pop_cliprect(canvas);
}
}
}