* terminalio.h
* Functions for interacting with the terminal. These should be used
* to encapsulate all sending of escape sequences.
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#ifndef TERMINAL_IO_H_
#define TERMINAL_IO_H_
#include
* x (column number) and y (row number) are measured relative to the top
* left of the screen. First column is 1, first row is 1.
* The display parameter is a number between 0 and 47. Valid values are
* Foreground colours Background colours
* —————— ——————
* 0 Reset all attributes 30 Black 40 Black
* 1 Bright 31 Red 41 Red
* 2 Dim 32 Green 42 Green
* 4 Underscore 33 Yellow 43 Yellow
* 5 Blink 34 Blue 44 Blue
* 7 Reverse Video 35 Magenta 45 Magenta
* 8 Hidden 36 Cyan 46 Cyan
* 37 White 47 White
typedef enum {
TERM_RESET = 0,
TERM_BRIGHT = 1,
TERM_DIM = 2,
TERM_UNDERSCORE = 4,
TERM_BLINK = 5,
TERM_REVERSE = 7,
TERM_HIDDEN = 8,
FG_BLACK = 30,
FG_RED = 31,
FG_GREEN = 32,
FG_YELLOW= 33,
FG_BLUE = 34,
FG_MAGENTA = 35,
FG_CYAN = 36,
FG_WHITE = 37,
BG_BLACK = 40,
BG_RED = 41,
BG_GREEN = 42,
BG_YELLOW = 43,
BG_BLUE = 44,
BG_MAGENTA = 45,
BG_CYAN = 46,
BG_WHITE = 47
} DisplayParameter;
void move_terminal_cursor(int x, int y);
void normal_display_mode(void);
void reverse_video(void);
void clear_terminal(void);
void clear_to_end_of_line(void);
void set_display_attribute(DisplayParameter parameter);
void hide_cursor(void);
void show_cursor(void);
// Enable scrolling for either the full screen or a particular region (rows)
// For set_scroll_region y1 < y2 and the region includes rows y1 and y2.
void enable_scrolling_for_whole_display(void);
void set_scroll_region(int8_t y1, int8_t y2);
// If the cursor is in the first (top) row of the scroll region then scroll
// the scroll region down by one row. The bottom row of the scroll region will be lost.
// The top row of the scroll region will be blank. If the cursor is not in the first row
// of the scroll region then the cursor will just be moved up by one row.
void scroll_down(void);
// If the cursor is in the last (bottom) row of the scroll region then scroll
// the scroll region up by one row. The top row of the scroll region will be lost.
// The bottom row of the scroll region will be blank. If the cursor is not in the last
// row of the scroll region then cursor will just be moved down by one row.
void scroll_up(void);
// Draw a reverse video line on the terminal. startx must be <= endx.
// starty must be <= endy
void draw_horizontal_line(int8_t y, int8_t startx, int8_t endx);
void draw_vertical_line(int8_t x, int8_t starty, int8_t endy);
#endif /* TERMINAL_IO_H */
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