textbox_base.hpp

#ifndef TERMOX_WIDGET_WIDGETS_DETAIL_TEXTBOX_BASE_HPP
#define TERMOX_WIDGET_WIDGETS_DETAIL_TEXTBOX_BASE_HPP
#include <cstddef>
 
#include <signals_light/signal.hpp>
 
#include <termox/painter/glyph_string.hpp>
#include <termox/widget/point.hpp>
#include <termox/widget/widgets/text_view.hpp>
 
namespace ox::detail {
 
class Textbox_base : public Text_view {
   private:
    using Text_view::Parameters;
 
   protected:
    explicit Textbox_base(Glyph_string text  = U"",
                          Align alignment    = Align::Left,
                          Wrap wrap          = Wrap::Word,
                          Brush insert_brush = Brush{});
 
    explicit Textbox_base(Parameters p);
 
   public:
    sl::Signal<void(std::size_t n)> cursor_moved_left;
 
    sl::Signal<void(std::size_t n)> cursor_moved_right;
 
    sl::Signal<void(std::size_t n)> cursor_moved_up;
 
    sl::Signal<void(std::size_t n)> cursor_moved_down;
 
   public:
    void set_cursor(Point position);
 
    void set_cursor(std::size_t index);
 
    void scroll_up(int n = 1) override;
 
    void scroll_down(int n = 1) override;
 
 
    void cursor_up(int n = 1);
 
 
    void cursor_down(int n = 1);
 
 
    void cursor_left(int n = 1);
 
 
    void cursor_right(int n = 1);
 
   protected:
    [[nodiscard]] auto cursor_index() const -> int;
 
    auto resize_event(Area new_size, Area old_size) -> bool override;
 
   private:
    void increment_cursor_right();
 
    void increment_cursor_left();
};
 
}  // namespace ox::detail
#endif  // TERMOX_WIDGET_WIDGETS_DETAIL_TEXTBOX_BASE_HPP