toggle.hpp

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#pragma once
 
#include "lmgl/ui/ui_element.hpp"
#include "lmgl/ui/panel.hpp"
#include "lmgl/ui/text.hpp"
 
#include <glm/glm.hpp>
#include <functional>
#include <memory>
#include <string>
 
namespace lmgl {
 
namespace ui {

class Toggle : public UIElement {
  public:
    Toggle(const std::string &label = "Toggle", const std::string &name = "Toggle");

    ~Toggle() override = default;

    void set_checked(bool checked);

    inline bool is_checked() const { return m_checked; }

    void set_label(const std::string &label);

    inline std::shared_ptr<Text> get_text() { return m_text; }

    inline void set_on_toggle(std::function<void(bool)> callback) { m_on_toggle = callback; }

    inline void set_box_size(float size) { m_box_size = size; }

    bool contains_point(float x, float y, float canvas_width, float canvas_height) const;

    bool handle_click(float x, float y, float canvas_width, float canvas_height);

    void render(float canvas_width, float canvas_height, const glm::mat4 &projection) override;
 
  private:
    std::string m_label;

    bool m_checked{false};

    float m_box_size{20.0f};

    std::shared_ptr<Panel> m_box_bg;

    std::shared_ptr<Panel> m_checkmark;

    std::shared_ptr<Text> m_text;

    std::function<void(bool)> m_on_toggle;

    glm::vec4 m_bg_color{0.2f, 0.2f, 0.2f, 1.0f};
    glm::vec4 m_check_color{0.0f, 1.0f, 0.0f, 1.0f};
    glm::vec4 m_text_color{1.0f, 1.0f, 1.0f, 1.0f};
};
 
} // namespace ui
 
} // namespace lmgl