menu: add get_component_at to get component

This is the basis for mouse focus handling.

1 files changed, 22 insertions, 0 deletions

diff --git a/src/menu/drawable_control.cpp b/src/menu/drawable_control.cpp
index 47df96db..76749840 100644
--- a/src/menu/drawable_control.cpp
+++ b/src/menu/drawable_control.cpp
@@ -230,4 +230,26 @@ namespace usdx
 		boost::shared_lock<boost::shared_mutex> lock(background_mutex);
 		return background;
 	}
+
+	const Rectangle<int> DrawableControl::get_absolut_rect(void) const
+	{
+		Rectangle<int> rect(get_position(), get_size());
+
+		if (parent) {
+			Rectangle<int> parent_rect = parent->get_absolut_rect();
+			rect += Point<int>(parent_rect.get_left(),
+							   parent_rect.get_top());
+		}
+
+		return rect;
+	}
+
+	DrawableControl* DrawableControl::get_component_at(const Point<int>& p)
+	{
+		if (focusable && get_absolut_rect().is_in(p)) {
+				return this;
+		}
+
+		return NULL;
+	}
 };