#include <CtrlLib/CtrlLib.h>

using namespace Upp;

struct RectArea : Moveable<RectArea> {
	Rect r;
	String text;
};

struct MyApp : TopWindow {
	Vector<RectArea> ra;
	MyApp()
	{
		Sizeable().Zoomable().CenterScreen().SetRect(0,0, 1024, 800);
		
		for(int i = 0; i < 50; i++) {
			RectArea& r = ra.Add();
			r.r = RectC(20 * i, 20 * i, 20, 20);
			r.text  << "\1[* Index: ]" << i << " &[* Random number: ]" << Random();
		}
	}
	
	void Paint(Draw& w) override
	{
		w.DrawRect(GetSize(), Black());
		for(const RectArea& r : ra)
			w.DrawRect(r.r, Red());
	}
	
	void MouseMove(Point pt, dword keyflags) override
	{
		// Dont forget to call the parent ctrl's MouseMove, if it is utilized!
		
		if(HasFocus() && ra.GetCount()) {
			for(const RectArea& r : ra)
				if(r.r.Contains(pt)) {
					Tip(r.text);
					return;
				}
			Tip(nullptr);
		}
	}
};

GUI_APP_MAIN
{
	MyApp().Run();
}