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#pragma once
#include <drivers/screen.h>
#include <mm/page.h>
#include <types.h>
#include <util/list.h>
//
//
//#define VGA_WIDTH ((uint16_t) 80)
//#define VGA_HEIGHT ((uint16_t) 25)
//#define VGA_AREA ((uint16_t) (VGA_WIDTH * VGA_HEIGHT))
//#define VGA_BUFFER_COUNT ((uint16_t) (1024 * 16))
//#define VGA_BUFFER_SIZE ((uint16_t) (VGA_BUFFER_COUNT * sizeof(short)))
//
//
//#define SCREEN_GET_FOREGROUND(x) ((uint8_t) (x & 0b00001111))
//#define SCREEN_GET_BACKGROUND(x) ((uint8_t) (x & 0b01110000))
//#define SCREEN_MAKE_COLOR(b, f) ((uint8_t) (b << 4) | f)
//
//#define SCREEN_DEFAULT_FOREGROUND ((uint8_t) 0xF)
//#define SCREEN_DEFAULT_BACKGROUND ((uint8_t) 0x0)
//#define SCREEN_DEFAULT_COLOR SCREEN_MAKE_COLOR(SCREEN_DEFAULT_BACKGROUND,
//SCREEN_DEFAULT_FOREGROUND)
// typedef struct screen {
// uint16_t screen_cursor_pos;
// uint16_t screen_buffer_pos;
// uint16_t screen_visible_pos;
// uint8_t screen_current_color;
//
// uint16_t *screen_buffer;
// uint16_t screen_inactive_buffer[VGA_BUFFER_COUNT];
//} screen_t;
// typedef struct vterminal_char {
// char c;
//// color_t foreground;
//// color_t background;
//} vterminal_char_t;
#ifdef __VGABUF___
#define VT_PAGES_PER_HISTORY_CHUNK 1
#define VT_CHARS_PER_HISTORY_CHUNK \
(VT_PAGES_PER_HISTORY_CHUNK * PAGE_SIZE - sizeof(list_link_t))
typedef struct vterminal_history_chunk
{
char chars[VT_CHARS_PER_HISTORY_CHUNK];
list_link_t link;
} vterminal_history_chunk_t;
typedef struct vterminal
{
size_t vt_width;
size_t vt_height;
size_t vt_len;
list_t vt_history_chunks;
size_t *vt_line_positions;
off_t vt_line_offset;
size_t *vt_line_widths;
size_t vt_input_pos;
size_t vt_cursor_pos;
} vterminal_t;
void vterminal_init(vterminal_t *vt);
void vterminal_make_active(vterminal_t *vt);
void vterminal_scroll(vterminal_t *vt, long count);
void vterminal_scroll_to_bottom(vterminal_t *t);
void vterminal_clear(vterminal_t *vt);
size_t vterminal_write(vterminal_t *vt, const char *buf, size_t len);
void vterminal_key_pressed(vterminal_t *vt);
#elif 0
struct vt_cursor
{
int y;
int x;
};
struct vt_attributes
{
int underline : 1;
int bold : 1;
int blink : 1;
uint16_t fg;
uint16_t bg;
};
struct vt_char
{
int codepoint;
struct vt_attributes attribs;
};
struct vt_buffer
{
struct vt_char screen[VGA_HEIGHT][VGA_WIDTH];
size_t input_position;
};
typedef struct vterminal
{
size_t height;
size_t width;
struct vt_cursor cursor;
struct vt_cursor saved_cursor;
struct vt_attributes current_attribs;
struct vt_buffer *active_buffer;
struct vt_buffer pri_buffer;
struct vt_buffer alt_buffer;
} vterminal_t;
void vterminal_init(vterminal_t *vt);
void vterminal_make_active(vterminal_t *vt);
void vterminal_scroll(vterminal_t *vt, long count);
void vterminal_clear(vterminal_t *vt);
size_t vterminal_write(vterminal_t *vt, const char *buf, size_t len);
size_t vterminal_echo_input(vterminal_t *vt, const char *buf, size_t len);
void vterminal_key_pressed(vterminal_t *vt);
void vterminal_scroll_to_bottom(vterminal_t *vt);
#endif
#define VTC_DEFAULT_FOREGROUND VTCOLOR_GREY
#define VTC_DEFAULT_BACKGROUND VTCOLOR_BLACK
#define VTC_DEFAULT_ATTR \
(vtattr_t) { 0, VTC_DEFAULT_FOREGROUND, VTC_DEFAULT_BACKGROUND }
#define VTC_ANSI_PARSER_STACK_SIZE 8
struct vtconsole;
typedef enum
{
VTCOLOR_BLACK,
VTCOLOR_RED,
VTCOLOR_GREEN,
VTCOLOR_YELLOW,
VTCOLOR_BLUE,
VTCOLOR_MAGENTA,
VTCOLOR_CYAN,
VTCOLOR_GREY,
} vtcolor_t;
typedef enum
{
VTSTATE_ESC,
VTSTATE_BRACKET,
VTSTATE_ATTR,
VTSTATE_ENDVAL,
} vtansi_parser_state_t;
typedef struct
{
int value;
int empty;
} vtansi_arg_t;
typedef struct
{
vtansi_parser_state_t state;
vtansi_arg_t stack[VTC_ANSI_PARSER_STACK_SIZE];
int index;
} vtansi_parser_t;
typedef struct
{
int bright;
vtcolor_t fg;
vtcolor_t bg;
} vtattr_t;
typedef struct
{
char c;
vtattr_t attr;
} vtcell_t;
typedef struct
{
int x;
int y;
} vtcursor_t;
typedef void (*vtc_paint_handler_t)(struct vtconsole *vtc, vtcell_t *cell,
int x, int y);
typedef void (*vtc_cursor_handler_t)(struct vtconsole *vtc, vtcursor_t *cur);
typedef struct vtconsole
{
int width;
int height;
vtattr_t attr;
vtansi_parser_t ansiparser;
vtcell_t *buffer;
int *tabs;
int tab_index;
vtcursor_t cursor;
vtc_paint_handler_t on_paint;
vtc_cursor_handler_t on_move;
} vtconsole_t;
typedef vtconsole_t vterminal_t;
vtconsole_t *vtconsole(vtconsole_t *vtc, int width, int height,
vtc_paint_handler_t on_paint,
vtc_cursor_handler_t on_move);
void vtconsole_delete(vtconsole_t *c);
void vtconsole_clear(vtconsole_t *vtc, int fromx, int fromy, int tox, int toy);
void vtconsole_scroll(vtconsole_t *vtc, int lines);
void vtconsole_newline(vtconsole_t *vtc);
void vtconsole_putchar(vtconsole_t *vtc, char c);
void vtconsole_write(vtconsole_t *vtc, const char *buffer, uint32_t size);
size_t vterminal_write(vterminal_t *vt, const char *buf, size_t len);
size_t vterminal_echo_input(vterminal_t *vt, const char *buf, size_t len);
void vterminal_key_pressed(vterminal_t *vt);
void vterminal_scroll_to_bottom(vterminal_t *vt);
void vterminal_init(vterminal_t *vt);
void vterminal_make_active(vterminal_t *vt);
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