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install.sh

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+#!/bin/bash
+
+set -xe
+
+sudo cp xurses.h /usr/include/xolatile/xurses.h
+sudo cp xurses.c /usr/include/xolatile/xurses.c
+
+exit

xurses.c

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+/*
+ * Copyright (c) 2023 : Ognjen 'xolatile' Milan Robovic
+ *
+ * Xurses is free software! You will redistribute it or modify it under the terms of the GNU General Public License by Free Software Foundation.
+ * And when you do redistribute it or modify it, it will use either version 3 of the License, or (at yours truly opinion) any later version.
+ * It is distributed in the hope that it will be useful or harmful, it really depends... But no warranty what so ever, seriously. See GNU/GPLv3.
+ */
+
+#ifndef XURSES_SOURCE
+#define XURSES_SOURCE
+
+#include <xolatile/xurses.h>
+
+int    curses_active        = 1;
+int    curses_cursor        = 0;
+char   curses_signal        = 0;
+int    curses_screen_width  = 0;
+int    curses_screen_height = 0;
+int    curses_screen_size   = 0;
+char * curses_screen        = NULL;
+
+void (* curses_action ['~' - ' ']) (void) = { 0 };
+
+struct termios curses_old_terminal;
+struct termios curses_new_terminal;
+
+void curses_initialize (void) {
+	char key;
+
+	struct winsize screen_dimension;
+
+	fatal_failure (ioctl (STDOUT_FILENO, TIOCGWINSZ, & screen_dimension) == -1, "[!] ioctl: Failed to get terminal size.");
+
+	curses_screen_width  = (int) screen_dimension.ws_col;
+	curses_screen_height = (int) screen_dimension.ws_row;
+
+	fatal_failure (tcgetattr (STDIN_FILENO, & curses_old_terminal) == -1, "[!] tcgetattr: Failed to get terminal attributes.");
+
+	curses_new_terminal = curses_old_terminal;
+
+	curses_new_terminal.c_cc [VMIN]  = (unsigned char) 0;
+	curses_new_terminal.c_cc [VTIME] = (unsigned char) 1;
+
+	curses_new_terminal.c_iflag &= (unsigned int) ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
+	curses_new_terminal.c_oflag &= (unsigned int) ~(OPOST);
+	curses_new_terminal.c_cflag |= (unsigned int)  (CS8);
+	curses_new_terminal.c_lflag &= (unsigned int) ~(ECHO | ICANON | IEXTEN | ISIG);
+
+	fatal_failure (tcsetattr (STDIN_FILENO, TCSAFLUSH, & curses_new_terminal) == -1, "[!] tcsetattr: Failed to set raw terminal attributes.");
+
+	curses_screen = allocate (12 * curses_screen_width * curses_screen_height + 8);
+
+	string_copy_limit (& curses_screen [0], "\033[2J\033[H", 7);
+
+	for (key = ' '; key != '~'; ++key) {
+		curses_unbind (key);
+	}
+
+	//~write (STDOUT_FILENO, "\033[25h", sizeof ("\033[25h"));
+}
+
+void curses_deinitialize (void) {
+	free (curses_screen);
+
+	out ("\033[2J\033[H", 7);
+
+	fatal_failure (tcsetattr (STDIN_FILENO, TCSAFLUSH, & curses_old_terminal) == -1, "[!] tcsetattr: Failed to set terminal attributes.");
+}
+
+void curses_synchronize (void) {
+	curses_signal = 0;
+
+	out (curses_screen, 12 * curses_screen_width * curses_screen_height + 8);
+
+	in (& curses_signal, 1);
+
+	if ((curses_signal < ' ') || (curses_signal > '~')) {
+		return;
+	} else {
+		curses_action [curses_signal - ' '] ();
+	}
+}
+
+void curses_character (char character, int effect, int colour, int x, int y) {
+	char format [12] = "\033[ ;3 m \033[0m";
+
+	format [2] = (char) effect + '0';
+	format [5] = (char) colour + '0';
+	format [7] = character;
+
+	string_copy_limit (& curses_screen [(y * curses_screen_width + x) * 12 + 7], format, 12);
+}
+
+void curses_style (int effect, int colour) {
+	char format [8] = "\033[ ;3 m";
+
+	if ((effect == -1) || (colour == -1)) {
+		out ("\033[0m", 4);
+	} else {
+		format [2] = (char) effect + '0';
+		format [5] = (char) colour + '0';
+
+		out (format, 7);
+	}
+}
+
+void curses_clear (void) {
+	out ("\033[2J", 4);
+}
+
+void curses_show_cursor (int show) {
+	if (show != 0) {
+		out ("\033[?25h", 6);
+	} else {
+		out ("\033[?25l", 6);
+	}
+}
+
+void curses_move_cursor (int x, int y) {
+	out ("\033[H", 4); /* yx */
+}
+
+void curses_bind (char key, void (* action) (void)) {
+	curses_action [key - ' '] = action;
+}
+
+void curses_unbind (char key) {
+	curses_action [key - ' '] = curses_idle;
+}
+
+void curses_idle (void) {
+	return;
+}
+
+void curses_exit (void) {
+	curses_active = 0;
+}
+
+#endif

xurses.h

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+/*
+ * Copyright (c) 2023 : Ognjen 'xolatile' Milan Robovic
+ *
+ * Xurses is free software! You will redistribute it or modify it under the terms of the GNU General Public License by Free Software Foundation.
+ * And when you do redistribute it or modify it, it will use either version 3 of the License, or (at yours truly opinion) any later version.
+ * It is distributed in the hope that it will be useful or harmful, it really depends... But no warranty what so ever, seriously. See GNU/GPLv3.
+ */
+
+#ifndef XURSES_HEADER
+#define XURSES_HEADER
+
+#include <xolatile/xtandard.h>
+#include <xolatile/xtandard.c>
+
+#include <termios.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
+extern int    curses_active;
+extern int    curses_cursor;
+extern char   curses_signal;
+extern int    curses_screen_width;
+extern int    curses_screen_height;
+extern int    curses_screen_size;
+extern char * curses_screen;
+
+extern void (* curses_action ['~' - ' ']) (void);
+
+extern struct termios curses_old_terminal;
+extern struct termios curses_new_terminal;
+
+extern void curses_initialize   (void);
+extern void curses_deinitialize (void);
+extern void curses_synchronize  (void);
+
+extern void curses_character    (char, int, int, int, int);
+extern void curses_style        (int, int);
+extern void curses_clear        (void);
+extern void curses_show_cursor  (int);
+extern void curses_move_cursor  (int, int);
+
+extern void curses_bind   (char, void (*) (void));
+extern void curses_unbind (char);
+
+extern void curses_idle (void);
+extern void curses_exit (void);
+
+#endif