Updated long ago...

install.sh

@@ -2,7 +2,7 @@
 
 set -xe
 
-sudo cp xurses.h /usr/include/xolatile/xurses.h
-sudo cp xurses.c /usr/include/xolatile/xurses.c
+cp xurses.h /usr/include/xolatile/xurses.h
+cp xurses.c /usr/include/xolatile/xurses.c
 
 exit

xurses.c

@@ -13,7 +13,7 @@
 
 int    curses_active        = 1;
 int    curses_cursor        = 0;
-char   curses_signal        = 0;
+char   curses_signal        = '\0';
 int    curses_screen_width  = 0;
 int    curses_screen_height = 0;
 int    curses_screen_size   = 0;
@@ -48,19 +48,15 @@ void curses_initialize (void) {
 
 	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);
+	curses_screen = allocate (12 * (curses_screen_width + 2) * curses_screen_height + 8);
 
 	for (key = ' '; key != '~'; ++key) {
 		curses_unbind (key);
 	}
-
-	//~write (STDOUT_FILENO, "\033[25h", sizeof ("\033[25h"));
 }
 
 void curses_deinitialize (void) {
-	free (curses_screen);
+	curses_screen = deallocate (curses_screen);
 
 	out ("\033[2J\033[H", 7);
 
@@ -68,27 +64,82 @@ void curses_deinitialize (void) {
 }
 
 void curses_synchronize (void) {
-	curses_signal = 0;
+	curses_signal = '\0';
 
-	out (curses_screen, 12 * curses_screen_width * curses_screen_height + 8);
+	out (curses_screen, curses_screen_size);
 
 	in (& curses_signal, 1);
 
-	if ((curses_signal < ' ') || (curses_signal > '~')) {
-		return;
-	} else {
+	curses_screen_size = 0;
+
+	if ((curses_signal >= ' ') && (curses_signal <= '~')) {
 		curses_action [curses_signal - ' '] ();
 	}
+
+	string_copy_limit (& curses_screen [curses_screen_size], "\033[H", 3);
+	curses_screen_size += 3;
+}
+
+void curses_blank (void) {
+	int i, j;
+
+	for (i = 0; i != curses_screen_height; ++i) {
+		for (j = 0; j != curses_screen_width; ++j) {
+			curses_character (' ', EFFECT_NORMAL, COLOUR_WHITE, j, i);
+		}
+	}
 }
 
 void curses_character (char character, int effect, int colour, int x, int y) {
-	char format [12] = "\033[ ;3 m \033[0m";
+	char format [13] = "\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);
+	string_copy_limit (& curses_screen [(y * (curses_screen_width + 2) + x) * 12 + 3], format, 12);
+
+	curses_screen_size += 12;
+}
+
+void curses_append_character (char character, int effect, int colour) {
+	char format [13] = "\033[ ;3 m \033[0m";
+
+	format [2] = (char) effect + '0';
+	format [5] = (char) colour + '0';
+	format [7] = character;
+
+	string_copy_limit (& curses_screen [curses_screen_size], format, 12);
+
+	curses_screen_size += 12;
+}
+
+void curses_append_string (char * string, int effect, int colour, int length) {
+	char format [8] = "\033[ ;3 m";
+
+	format [2] = (char) effect + '0';
+	format [5] = (char) colour + '0';
+
+	string_copy_limit (& curses_screen [curses_screen_size], format, 7);
+	curses_screen_size += 7;
+	string_copy_limit (& curses_screen [curses_screen_size], string, length);
+	curses_screen_size += length;
+	string_copy_limit (& curses_screen [curses_screen_size], "\033[0m", 4);
+	curses_screen_size += 4;
+}
+
+void curses_append_cursor (int cursor_x, int cursor_y) {
+	char format [11] = "\033[000;000H";
+
+	format [4] = (char) (cursor_y /   1) % 10 + '0';
+	format [3] = (char) (cursor_y /  10) % 10 + '0';
+	format [2] = (char) (cursor_y / 100) % 10 + '0';
+	format [8] = (char) (cursor_x /   1) % 10 + '0';
+	format [7] = (char) (cursor_x /  10) % 10 + '0';
+	format [6] = (char) (cursor_x / 100) % 10 + '0';
+
+	string_copy_limit (& curses_screen [curses_screen_size], format, 10);
+	curses_screen_size += 10;
 }
 
 void curses_style (int effect, int colour) {
@@ -116,10 +167,6 @@ void curses_show_cursor (int show) {
 	}
 }
 
-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;
 }

xurses.h

@@ -35,11 +35,14 @@ 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_blank            (void);
+extern void curses_character        (char, int, int, int, int);
+extern void curses_append_character (char, int, int);
+extern void curses_append_string    (char *, int, int, int);
+extern void curses_append_cursor    (int, int);
+extern void curses_style            (int, int);
+extern void curses_clear            (void);
+extern void curses_show_cursor      (int);
 
 extern void curses_bind   (char, void (*) (void));
 extern void curses_unbind (char);