/*
   ui/tooltip.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/tooltip.h"
#include "ui/ui.h"
#include "ui/paint.h"

#include <cassert>

namespace ui
{

Tooltip *Tooltip::tooltip_global = nullptr;

Tooltip::Tooltip(Widget *parent) : Label(parent)
{
	set_label("tooltip");
	set_alignment(AlignCenter);
	set_background(true);
	set_visible(false);
}

Tooltip::~Tooltip()
{
}

void Tooltip::resize()
{
	set_size(font()->width() * text().size() + UI::padding, font()->height() + UI::padding);
}

void Tooltip::draw_background()
{
	Paint::draw_material(global_location(), size(), "ui/window");
}

void Tooltip::draw()
{
	if (tooltip_global != this) 
	{
		hide();
	} else {
		Label::draw();
	}
}

void Tooltip::show()
{
	if ((tooltip_global != nullptr) && (tooltip_global != this)) {
		tooltip_global->hide();
	}
	tooltip_global = this;
	event_resize();
	
	Label::show();
}

void Tooltip::hide()
{
	if (tooltip_global == this) {
		tooltip_global = nullptr;
	}
	Label::hide();
}

void Tooltip::event_draw()
{
}

void Tooltip::event_draw_global()
{
	if (tooltip_global && tooltip_global->visible())
	{
		if (tooltip_global->background())
			tooltip_global->draw_background();
		
		if (tooltip_global->border())
			tooltip_global->draw_border();
		
		tooltip_global->draw();
		
		if (debug())
			tooltip_global->draw_debug();
	}
}

}