// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt

#include "Gui.h"

namespace Gui {

	LabelSet::LabelSet() :
		Widget()
	{
		m_eventMask = EVENT_MOUSEDOWN;
		m_labelsVisible = true;
		m_labelsClickable = true;
		m_labelColor = Color::WHITE;
		m_font = Screen::GetFont();
	}

	bool LabelSet::OnMouseDown(Gui::MouseButtonEvent *e)
	{
		if ((e->button == SDL_BUTTON_LEFT) && (m_labelsClickable)) {
			for (std::vector<LabelSetItem>::iterator i = m_items.begin(); i != m_items.end(); ++i) {
				if ((fabs(e->x - (*i).screenx) < 10.0f) &&
					(fabs(e->y - (*i).screeny) < 10.0f)) {
					(*i).onClick();
					return false;
				}
			}
		}
		return true;
	}

	bool LabelSet::CanPutItem(float x, float y)
	{
		for (std::vector<LabelSetItem>::iterator i = m_items.begin(); i != m_items.end(); ++i) {
			if ((fabs(x - (*i).screenx) < 5.0f) &&
				(fabs(y - (*i).screeny) < 5.0f)) return false;
		}
		return true;
	}

	void LabelSet::Add(std::string text, sigc::slot<void> onClick, float screenx, float screeny)
	{
		if (CanPutItem(screenx, screeny)) {
			m_items.push_back(LabelSetItem(text, onClick, screenx, screeny));
		}
	}

	void LabelSet::Add(std::string text, sigc::slot<void> onClick, float screenx, float screeny, const Color &col)
	{
		if (CanPutItem(screenx, screeny)) {
			m_items.push_back(LabelSetItem(text, onClick, screenx, screeny, col));
		}
	}

	void LabelSet::Clear()
	{
		m_items.clear();
	}

	void LabelSet::Draw()
	{
		PROFILE_SCOPED()
		if (!m_labelsVisible) return;
		for (std::vector<LabelSetItem>::iterator i = m_items.begin(); i != m_items.end(); ++i) {
			Gui::Screen::RenderStringBuffer((*i).m_vb, (*i).text, (*i).screenx, (*i).screeny - Gui::Screen::GetFontHeight() * 0.5f, (*i).hasOwnColor ? (*i).color : m_labelColor, m_font.Get());
		}
	}

	void LabelSet::GetSizeRequested(float size[2])
	{
		size[0] = 800.0f;
		size[1] = 600.0f;
	}

} // namespace Gui