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#include "../../include/gui/Button.hpp"
#include <SFML/Graphics/RenderTarget.hpp>
#include <SFML/Window/Event.hpp>
#include <cmath>
namespace QuickMedia {
static const float PADDING_Y = 10.0f;
Button::Button(const std::string &label, sf::Font *font, unsigned int character_size, float width, sf::Shader *rounded_rectangle_shader, float scale) :
label(label, *font, character_size * scale),
background(sf::Vector2f(1.0f, 1.0f), 10.0f, sf::Color(33, 37, 44), rounded_rectangle_shader),
scale(scale)
{
background.set_size(sf::Vector2f(std::floor(width * scale), get_height()));
set_position(sf::Vector2f(0.0f, 0.0f));
}
ButtonEvent Button::on_event(sf::Event &event) {
ButtonEvent performed_event = BUTTON_EVENT_NONE;
if(event.type == sf::Event::MouseMoved) {
if(sf::FloatRect(background.get_position(), background.get_size()).contains(event.mouseMove.x, event.mouseMove.y)) {
const int inc = 20;
background.set_color(sf::Color(
std::min(255, (int)background_color.r + inc),
std::min(255, (int)background_color.g + inc),
std::min(255, (int)background_color.b + inc)));
} else {
background.set_color(background_color);
}
} else if(event.type == sf::Event::MouseButtonPressed) {
if(event.mouseButton.button == sf::Mouse::Left && sf::FloatRect(background.get_position(), background.get_size()).contains(event.mouseButton.x, event.mouseButton.y)) {
clicked_inside = true;
} else {
clicked_inside = false;
}
} else if(event.type == sf::Event::MouseButtonReleased) {
if(clicked_inside && event.mouseButton.button == sf::Mouse::Left && sf::FloatRect(background.get_position(), background.get_size()).contains(event.mouseButton.x, event.mouseButton.y)) {
performed_event = BUTTON_EVENT_CLICKED;
}
clicked_inside = false;
}
return performed_event;
}
void Button::draw(sf::RenderTarget &target) {
background.draw(target);
target.draw(label);
}
void Button::set_background_color(sf::Color color) {
background_color = color;
background.set_color(background_color);
}
void Button::set_position(sf::Vector2f pos) {
background.set_position(pos);
const auto label_bounds = label.getLocalBounds();
sf::Vector2f label_pos(pos + background.get_size() * 0.5f - sf::Vector2f(label_bounds.width * 0.5f, label_bounds.height * 0.5f) - sf::Vector2f(0.0f, 5.0f * scale));
label_pos.x = std::floor(label_pos.x);
label_pos.y = std::floor(label_pos.y);
label.setPosition(label_pos);
}
sf::Vector2f Button::get_position() const {
return background.get_position();
}
float Button::get_width() const {
return background.get_size().x;
}
float Button::get_height() const {
return std::floor((PADDING_Y * 2.0f) * scale + label.getLocalBounds().height);
}
}
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