/*
   ui/menu.cc
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

#include "ui/label.h"
#include "ui/button.h"
#include "ui/menu.h"
#include "ui/ui.h"

namespace ui {

const float element_width = 256.0f;
const float element_height = 64.0f;
const float element_margin = 24.0f;

Menu::Menu(Window *parent, const char *label) : Window(parent), menu_container(this)
{
	set_label(label);
	set_border(false);

	menu_container.set_label("container");
}

Menu::~Menu()
{
}

void Menu::add_label(char const * text)
{
	new Label(&menu_container, text);
}

void Menu::add_button(char const *text, char const *command)
{
	new Button(&menu_container, text, command);
}

void Menu::resize()
{
	set_size(parent()->size().x, parent()->size().y);

	float n = (float) menu_container.children().size();
	menu_container.set_size(2.0f * element_width, n * (element_height + element_margin) + element_height);
	menu_container.set_location(element_margin, (height() - menu_container.height()) / 2.0f);
	
	// reposition all children within the container
	size_t i = 0;
	for (Children::iterator it = menu_container.children().begin(); it != menu_container.children().end(); it++) {
		Widget *w = (*it);
		w->set_size(element_width, element_height);
		w->set_location(element_width * 0.5f, element_height * 0.5f + i * (element_height + element_margin));
		i++;
	}
}

}