A TUI to monitor YouTube channels
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// SPDX-License-Identifier: MIT
#pragma once
#include <termpaintx.h>
#define EV_TIMEOUT 0xffff
#define EV_IGNORE 0xfffe
#define EV_RESIZE 0xfffd
#include <functional>
#include <optional>
#include <string>
#include <vector>
struct Event {
int type;
int modifier;
std::string string;
enum class Align {
HCenter = 0x01,
Left = 0x02,
Right = 0x04,
VCenter = 0x10,
Top = 0x20,
Bottom = 0x40,
Center = HCenter | VCenter,
Align operator|(const Align &a, const Align &b);
extern termpaint_surface *surface;
enum AttributeSetType {
struct AttributeSet {
termpaint_attr *normal;
termpaint_attr *highlight;
extern AttributeSet attributes[ASetTypeCount];
enum class Button {
Ok = (1<<0),
Cancel = (1<<1),
Yes = (1<<2),
No = (1<<3),
Button operator|(const Button &a, const Button &b);
Button operator&(const Button &a, const Button &b);
void tp_init();
void tp_init_from_fd(int fd);
void tp_shutdown();
void tp_flush(const bool force=false);
void tp_pause();
void tp_unpause();
std::optional<Event> tp_wait_for_event(int timeout=0);
struct action
int type;
std::string string;
int modifier;
std::function<void(void)> func;
std::string help;
bool tui_handle_action(const Event &event, const std::vector<action> &actions);
size_t string_width(const std::string &str);
std::pair<size_t, size_t> string_size(const std::string &str);
void write_multiline_string(const int x, const int y, const std::string &str, termpaint_attr *attr);
std::string text_wrap(const std::string &text, const size_t desired_width);
Button message_box(const std::string &caption, const std::string &text, const Button buttons=Button::Ok, const Button default_button=Button::Ok, const Align align=Align::Center);
void draw_box_with_caption(int x, int y, int w, int h, const std::string &caption=std::string());
int get_selection(const std::string &caption, const std::vector<std::string> &choices, size_t selected=0, const Align align=Align::Center);
std::string edit_string(const std::string &caption, const std::string &text, const std::string &value, const Align align=Align::Center);
std::string get_string(const std::string &caption, const std::string &text=std::string(), const Align align=Align::Center);
struct progress_info;
progress_info* begin_progress(const std::string &caption, const int width, const Align align=Align::Center);
void update_progress(progress_info *info, const int val, const int maxval);
void end_progress(progress_info *info);
void tui_abort(const std::string &message);
void tui_abort(const char *fmt, ...);