137 lines
2.4 KiB
C
137 lines
2.4 KiB
C
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#ifndef SHADE_TTY_H
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#define SHADE_TTY_H
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#include <shade/cansid.h>
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#include <stdbool.h>
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/**
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* @brief A type to represent a tty driver
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*
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*/
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typedef struct tty_driver_struct {
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int max_rows;
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int max_cols;
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void (*putchar) (char c, int x, int y, char style);
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void (*setcurxy) (int x, int y);
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} tty_driver_t;
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/**
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* @brief A type to represent a tty
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*
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*/
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typedef struct tty_struct {
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// size information
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int rows;
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int cols;
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// cursor information
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int cursor_row;
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int cursor_col;
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// stateful information
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cansid_state cansid;
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// buffers
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tty_ochar_t output_buffer[65536];
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char input_buffer[1024];
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// driver
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tty_driver_t driver;
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// flags
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bool active;
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} tty_t;
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/**
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* @brief A type to represent a printable char
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*
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*/
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typedef struct tty_ochar_struct {
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char character;
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char style;
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} tty_ochar_t;
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tty_t ttys[10];
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int active_tty;
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/**
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* @brief Create a new tty_t with the provided driver
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*
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* @param driver
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* @return tty_t
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*/
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tty_t tty_new(tty_driver_t driver);
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/**
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* @brief Switch the screen to the provided tty - clear screen and flip to that tty
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*
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* @param index
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*/
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void tty_switch(int index);
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/**
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* @brief Print the specified char c on the tty tty, at the current cursor location
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*
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* @param tty
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* @param c
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* @see tty_mvpchar
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*/
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void tty_pchar(int tty, char c);
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/**
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* @brief Print the specified char t to the tty tty, but move the cursor to x, y first.
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*
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* @param tty
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* @param c
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* @param x
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* @param y
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* @see tty_pchar
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*/
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void tty_mvpchar(int tty, char c, int x, int y);
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// tty_pnl family
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/**
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* @brief Print a newline at the current cursor location on the tty tty.
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*
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* @param tty
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* @see tty_mvpnl
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*/
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void tty_pnl(int tty);
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/**
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* @brief Move to the specified cursor location and print a newline.
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*
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* @param tty
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* @param c
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* @param x
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* @param y
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* @see tty_pnl
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*/
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void tty_mvpnl(int tty, int x, int y);
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// tty_clr family
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/**
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* @brief Clear the entire screen of the specified tty. Uses tty_clrl internally.
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*
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* @param tty
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* @see tty_clrl
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*/
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void tty_clr(int tty);
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/**
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* @brief Clear the specified line of the specified tty.
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*
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* @param tty
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* @param line
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* @see tty_clr
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*/
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void tty_clrl(int tty, int line);
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/**
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* @brief Set the cursor position on the specified tty to the specified position.
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*
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* @param tty
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* @param x
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* @param y
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*/
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void tty_setcurxy(int tty, int x, int y);
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#endif
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