Text files redone to use lightbars

src/main_menu.c

@@ -86,36 +86,124 @@ void send_node_msg() {
 
 void display_textfiles() {
 	int i;
-	char buffer[5];
+	int redraw = 1;
+	int start = 0;
+	int selected = 0;
+	char c;
 
-	if (conf.text_file_count > 0) {
+	if (conf.text_file_count == 0) {
+		s_printf("\e[2J\e[1;1H");
+		s_printf(get_string(148));
+		s_printf(get_string(185));
+		s_getc();
+		s_printf("\r\n");			
+		return;
+	}
 
-		while(1) {
+	while (1) {
+		if (redraw) {
+			s_printf("\e[2J\e[1;1H");
 			s_printf(get_string(143));
 			s_printf(get_string(144));
-
-			for (i=0;i<conf.text_file_count;i++) {
-				s_printf(get_string(145), i, conf.text_files[i]->name);
-			}
-			s_printf(get_string(146));
-			s_printf(get_string(147));
-			s_readstring(buffer, 4);
-			if (tolower(buffer[0]) != 'q') {
-				i = atoi(buffer);
-				if (i >= 0 && i < conf.text_file_count) {
-					s_printf("\r\n");
-					s_displayansi_p(conf.text_files[i]->path);
-					s_printf(get_string(6));
-					s_getc();
-					s_printf("\r\n");
+			for (i=start;i<start+22 && i < conf.text_file_count;i++) {
+				if (i == selected) {
+					s_printf(get_string(249), i - start + 2, i, conf.text_files[i]->name);
+				} else {
+					s_printf(get_string(250), i - start + 2, i, conf.text_files[i]->name);
 				}
-			} else {
-				break;
 			}
+			s_printf("\e[%d;5H", selected - start + 2);
+			redraw = 0;
+		}
+		c = s_getchar();
+		if (tolower(c) == 'q') {
+			break;
+		} else if (c == 27) {
+			c = s_getchar();
+			if (c == 91) {
+				c = s_getchar();
+				if (c == 66) {
+					// down
+					if (selected + 1 >= start + 22) {
+						start += 22;
+						if (start >= conf.text_file_count) {
+							start = conf.text_file_count - 22;
+						}
+						redraw = 1;
+					}
+					selected++;
+					if (selected >= conf.text_file_count) {
+						selected = conf.text_file_count - 1;
+					} else {
+						if (!redraw) {		
+							s_printf(get_string(250), selected - start + 1, selected - 1, conf.text_files[selected - 1]->name);
+							s_printf(get_string(249), selected - start + 2, selected, conf.text_files[selected]->name);
+							s_printf("\e[%d;5H", selected - start + 2);
+						}
+					}
+				} else if (c == 65) {
+					// up
+					if (selected - 1 < start) {
+						start -= 22;
+						if (start < 0) {
+							start = 0;
+						}
+						redraw = 1;
+					}
+					selected--;
+					if (selected < 0) {
+						selected = 0;
+					} else {
+						if (!redraw) {	
+							s_printf(get_string(249), selected - start + 2, selected, conf.text_files[selected]->name);
+							s_printf(get_string(250), selected - start + 3, selected + 1, conf.text_files[selected + 1]->name);
+							s_printf("\e[%d;5H", selected - start + 2);
+						}	
+					}
+				} else if (c == 75) {
+					// END KEY
+					selected = conf.text_file_count - 1;
+					start = conf.text_file_count - 22;
+					if (start < 0) {
+						start = 0;
+					}
+					redraw = 1;
+				} else if (c == 72) {
+					// HOME KEY
+					selected = 0;
+					start = 0;
+					redraw = 1;
+				} else if (c == 86 || c == '5') {
+					if (c == '5') {
+						s_getchar();
+					}
+					// PAGE UP
+					selected = selected - 22;
+					if (selected < 0) {
+						selected = 0;
+					}
+					start = selected;
+					redraw = 1;
+				} else if (c == 85 || c == '6') {
+					if (c == '6') {
+						s_getchar();
+					}
+					// PAGE DOWN
+					selected = selected + 22;
+					if (selected >= conf.text_file_count) {
+						selected = conf.text_file_count -1;
+					}
+					start = selected;
+					redraw = 1;
+				}
+			}
+		} else if (c == 13) {
+			s_printf("\e[2J\e[1;1H");
+			s_displayansi_p(conf.text_files[selected]->path);
+			s_printf(get_string(185));
+			s_getc();
+			s_printf("\r\n");			
+			redraw = 1;
 		}
-		} else {
-		s_printf(get_string(148));
-		s_printf(get_string(6));
-		s_getc();
 	}
 }