input_source.hpp

#ifndef LXGUI_INPUT_SOURCE_HPP
#define LXGUI_INPUT_SOURCE_HPP
 
#include "lxgui/gui_vector2.hpp"
#include "lxgui/input_keys.hpp"
#include "lxgui/lxgui.hpp"
#include "lxgui/utils.hpp"
#include "lxgui/utils_signal.hpp"
#include "lxgui/utils_string.hpp"
 
#include <array>
#include <string>
#include <vector>
 
namespace lxgui::input {
 
class source {
public:
    struct key_state {
        std::array<bool, key_number> is_key_down = {};
    };
 
    struct mouse_state {
        std::array<bool, mouse_button_number> is_button_down = {};
        gui::vector2f                         position;
        float                                 wheel = 0.0f;
    };
 
    source() = default;
 
    virtual ~source() = default;
 
    // Non-copiable, non-movable
    source(const source&) = delete;
    source(source&&)      = delete;
    source& operator=(const source&) = delete;
    source& operator=(source&&) = delete;
 
    const key_state& get_key_state() const;
 
    const mouse_state& get_mouse_state() const;
 
    const gui::vector2ui& get_window_dimensions() const;
 
    virtual utils::ustring get_clipboard_content() = 0;
 
    virtual void set_clipboard_content(const utils::ustring& content) = 0;
 
    virtual void set_mouse_cursor(const std::string& file_name, const gui::vector2i& hot_spot) = 0;
 
    virtual void reset_mouse_cursor() = 0;
 
    virtual float get_interface_scaling_factor_hint() const;
 
    utils::signal<void(const gui::vector2f&, const gui::vector2f&)> on_mouse_moved;
 
    utils::signal<void(float, const gui::vector2f&)> on_mouse_wheel;
 
    utils::signal<void(input::mouse_button, const gui::vector2f&)> on_mouse_pressed;
 
    utils::signal<void(input::mouse_button, const gui::vector2f&)> on_mouse_released;
 
    utils::signal<void(input::key)> on_key_pressed;
 
    utils::signal<void(input::key)> on_key_pressed_repeat;
 
    utils::signal<void(input::key)> on_key_released;
 
    utils::signal<void(std::uint32_t)> on_text_entered;
 
    utils::signal<void(const gui::vector2ui&)> on_window_resized;
 
protected:
    key_state   keyboard_;
    mouse_state mouse_;
 
    gui::vector2ui window_dimensions_;
};
 
} // namespace lxgui::input
 
#endif