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#pragma once
#include <stdint.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <ui/color.h>
extern const int MAX_WIDTH;
extern const int MAX_HEIGHT;
extern const int MIN_WIDTH;
extern const int MIN_HEIGHT;
extern const int FRAME_UNLIMITED;
typedef enum MOUSE_BUTTON {
MOUSE_BUTTON_LEFT_CLICK = 32,
MOUSE_BUTTON_MIDDLE_CLICK = 33,
MOUSE_BUTTON_RIGHT_CLICK = 34,
MOUSE_BUTTON_SCROLL_UP = 96,
MOUSE_BUTTON_SCROLL_DOWN = 97,
} MOUSE_BUTTON;
typedef struct MOUSE_ACTION {
MOUSE_BUTTON button;
unsigned int x;
unsigned int y;
} MOUSE_ACTION;
typedef void (*ON_CLICK_CALLBACK)(const MOUSE_ACTION *mouse_action);
#ifndef __cplusplus
#if (__STDC_VERSION__ < 202000L)
typedef enum bool : uint8_t { false = 0, true = 1 } bool;
#endif
#endif
typedef struct TERMINAL_CELL {
char c;
COLOR color;
COLOR background_color;
ON_CLICK_CALLBACK on_click_callback;
} TERMINAL_CELL;
typedef struct TUI {
struct winsize size;
struct termios original, raw, helper;
int init_cursor_x, init_cursor_y;
TERMINAL_CELL *cells;
size_t cells_length;
uint64_t last_frame; // in nanoseconds
} TUI;
typedef enum WIDGET_TYPE {
WIDGET_TYPE_TEXT,
WIDGET_TYPE_BUTTON,
WIDGET_TYPE_COLUMN,
WIDGET_TYPE_ROW,
WIDGET_TYPE_BOX,
WIDGET_TYPE_CENTER,
WIDGET_TYPE_PADDING,
} WIDGET_TYPE;
typedef struct WIDGET {
WIDGET_TYPE type;
void *metadata;
} WIDGET;
typedef struct WIDGET_ARRAY {
size_t size;
WIDGET **widgets;
} WIDGET_ARRAY;
typedef struct TEXT_METADATA {
char *text;
COLOR color;
} TEXT_METADATA;
typedef struct BUTTON_METADATA {
WIDGET *child;
ON_CLICK_CALLBACK callback;
} BUTTON_METADATA;
typedef struct COLUMN_METADATA {
WIDGET_ARRAY *children;
} COLUMN_METADATA;
typedef struct ROW_METADATA {
WIDGET_ARRAY *children;
} ROW_METADATA;
typedef struct BOX_METADATA {
int width;
int height;
WIDGET *child;
COLOR color;
} BOX_METADATA;
typedef WIDGET CENTER_METADATA;
typedef struct PADDING_METADATA {
WIDGET *child;
int padding_top;
int padding_bottom;
int padding_left;
int padding_right;
} PADDING_METADATA;
typedef WIDGET *(*WIDGET_BUILDER)(TUI *tui);
extern TUI *tui_init();
extern void tui_delete(TUI *restrict tui);
extern void tui_refresh(TUI *tui);
extern int tui_get_width(TUI *tui);
extern int tui_get_height(TUI *tui);
extern void tui_get_cursor_pos(TUI *tui, int *x, int *y);
extern int tui_move_to(int x, int y);
extern int tui_clear_screen();
extern void tui_start_app(TUI *tui, WIDGET_BUILDER widget_builder, int fps);
extern void _tui_draw_widget_to_cells(TUI *tui, const WIDGET *widget,
int width_begin, int width_end,
int height_begin, int height_end,
int *child_width, int *child_height);
extern void _tui_get_widget_size(const WIDGET *widget, int width_begin,
int width_end, int height_begin,
int height_end, int *widget_width,
int *widget_height);
extern bool _tui_is_max_width(const WIDGET *widget);
extern bool tui_widget_eqauls(const WIDGET *restrict left,
const WIDGET *restrict right);
extern bool tui_widget_array_eqauls(const WIDGET_ARRAY *restrict left,
const WIDGET_ARRAY *restrict right);
extern void tui_main_loop(TUI *tui, WIDGET_BUILDER widget_builder, int fps);
extern WIDGET *tui_new_widget(WIDGET_TYPE type, void *metadata);
extern void tui_delete_widget(WIDGET *restrict widget);
extern WIDGET *tui_make_text(char *restrict text, COLOR color);
extern TEXT_METADATA *_tui_make_text_metadata(char *restrict text, COLOR color);
extern void _tui_delete_text(WIDGET *restrict text);
extern WIDGET *tui_make_button(WIDGET *restrict child,
ON_CLICK_CALLBACK callback);
extern BUTTON_METADATA *_tui_make_button_metadata(WIDGET *restrict child,
ON_CLICK_CALLBACK callback);
extern void _tui_delete_button(WIDGET *restrict button);
extern WIDGET *tui_make_column(WIDGET_ARRAY *restrict children);
extern COLUMN_METADATA *_tui_make_column_metadata(
WIDGET_ARRAY *restrict children);
extern void _tui_delete_column(WIDGET *restrict column);
extern WIDGET *tui_make_row(WIDGET_ARRAY *restrict children);
extern ROW_METADATA *_tui_make_row_metadata(WIDGET_ARRAY *restrict children);
extern void _tui_delete_row(WIDGET *restrict row);
extern WIDGET *tui_make_box(int width, int height, WIDGET *restrict child,
COLOR color);
extern BOX_METADATA *_tui_make_box_metadata(WIDGET *restrict child, int width,
int height, COLOR color);
extern void _tui_delete_box(WIDGET *restrict box);
extern WIDGET *tui_make_center(WIDGET *restrict child);
extern CENTER_METADATA *_tui_make_center_metadata(WIDGET *restrict child);
extern void _tui_delete_center(WIDGET *restrict center);
extern WIDGET *tui_make_padding(WIDGET *restrict child, int padding_top,
int padding_bottom, int padding_left,
int padding_right);
extern PADDING_METADATA *_tui_make_padding_metadata(WIDGET *restrict child,
int padding_top,
int padding_bottom,
int padding_left,
int padding_right);
extern void _tui_delete_padding(WIDGET *restrict padding);
extern WIDGET_ARRAY *tui_make_widget_array_raw(size_t size, ...);
extern void _tui_delete_widget_array(WIDGET_ARRAY *restrict widget_array);
#define tui_make_widget_array(...) \
tui_make_widget_array_raw( \
sizeof((WIDGET *[]){__VA_ARGS__}) / sizeof(WIDGET *), __VA_ARGS__)
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