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#include "../../include/gui/Button.hpp"
#include "../../include/gui/Utils.hpp"
#include "../../include/Theme.hpp"
#include <mglpp/graphics/Rectangle.hpp>
#include <mglpp/window/Window.hpp>
#include <mglpp/window/Event.hpp>
#include <mglpp/system/FloatRect.hpp>
namespace gsr {
static const float padding_top_scale = 0.004629f;
static const float padding_bottom_scale = 0.004629f;
static const float padding_left_scale = 0.007f;
static const float padding_right_scale = 0.007f;
Button::Button(mgl::Font *font, const char *text, mgl::vec2f size, mgl::Color bg_color) : size(size), bg_color(bg_color), text(text, *font) {
}
bool Button::on_event(mgl::Event &event, mgl::Window&, mgl::vec2f offset) {
const mgl::vec2f item_size = get_size().floor();
if(event.type == mgl::Event::MouseButtonPressed && event.mouse_button.button == mgl::Mouse::Left) {
const bool clicked_inside = mgl::FloatRect(position + offset, item_size).contains({ (float)event.mouse_button.x, (float)event.mouse_button.y });
if(clicked_inside && on_click)
on_click();
}
return true;
}
void Button::draw(mgl::Window &window, mgl::vec2f offset) {
const mgl::vec2f draw_pos = position + offset;
const mgl::vec2f item_size = get_size().floor();
mgl::Rectangle background(item_size);
background.set_position(draw_pos.floor());
background.set_color(bg_color);
window.draw(background);
text.set_position((draw_pos + item_size * 0.5f - text.get_bounds().size * 0.5f).floor());
window.draw(text);
const bool mouse_inside = mgl::FloatRect(draw_pos, item_size).contains(window.get_mouse_position().to_vec2f());
if(mouse_inside)
draw_rectangle_outline(window, draw_pos, item_size, get_theme().tint_color, border_scale * get_theme().window_height);
}
mgl::vec2f Button::get_size() {
const int padding_top = padding_top_scale * get_theme().window_height;
const int padding_bottom = padding_bottom_scale * get_theme().window_height;
const int padding_left = padding_left_scale * get_theme().window_height;
const int padding_right = padding_right_scale * get_theme().window_height;
const mgl::vec2f text_bounds = text.get_bounds().size;
mgl::vec2f s = size;
if(s.x < 0.0001f)
s.x = padding_left + text_bounds.x + padding_right;
if(s.y < 0.0001f)
s.y = padding_top + text_bounds.y + padding_bottom;
return s;
}
void Button::set_border_scale(float scale) {
border_scale = scale;
}
}
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