Menu improved

Added menu display, with directory contents in box.

Also added different ebook functions to finish later. Will use them once I get to them. Calling it a night, but will add menu selecting and hopefully the ability to read text files tomorrow.

src/main.rs

@@ -8,6 +8,7 @@ Last edited: 10:18 PM 3/16/23
 */
 
 use std::fs::File;
+use std::fs;
 use std::io::prelude::*;
 use std::env;
 extern crate ncurses;
@@ -15,31 +16,60 @@ extern crate ncurses;
 
 //initial function. Reads the ebook passed by argument.
 //TODO: add visual library to pull up ebooks.
-fn main() -> std::io::Result<()>  {
-    let args: Vec<String> = env::args().collect();
+fn main() {
+    //let args: Vec<String> = env::args().collect();
+    //let filename = &args[1];
+    menu();
 
-    let filename = &args[1];
-    
-    let mut file = File::open(filename).expect("cannot open file.");
-    let mut contents = String::new();
-    file.read_to_string(&mut contents).expect("unreadable file.");
-
-    
-    screen(&contents);
-    Ok(())
-
-    
 }
 
+fn get_terminal_size()-> (i8, i32, i32){
 
-//screen init function
-fn screen(line: &str){
-    
     let mut stdscr: i8 = 0;
     let mut w: i32 = 0; //width
     let mut h: i32 = 0; //height
     ncurses::getmaxyx(&mut stdscr, &mut h, &mut w);
 
+    return (stdscr, h, w);
+}
+
+
+
+//Gets files in directory and returns string with contents.
+fn get_directory() -> String{
+
+    let mut dir: String = "".to_string();
+    let mut hold: String;
+    let paths = fs::read_dir("./").unwrap();
+    for path in paths {
+        hold = path.unwrap().path().display().to_string();
+        dir.push_str(&hold);
+        dir.push_str("\n");
+    }
+    println!("{}", &dir);
+    return dir;
+}
+
+fn menu(){
+ 
+    let (mut stdscr, height, width): (i8, i32, i32) = get_terminal_size();
+    
+    ncurses::initscr();
+    ncurses::clear();
+    let win = ncurses::newwin(100, 100, 5, 5);
+    ncurses::wprintw(win, &get_directory());
+    ncurses::refresh();
+    ncurses::box_(win, 0, 0);
+    ncurses::wrefresh(win);
+    ncurses::getch();
+    ncurses::endwin();
+    
+
+}
+
+//screen init function
+fn screen(line: &str){
+
     ncurses::initscr();
     ncurses::clear();
     ncurses::addstr(line);
@@ -48,3 +78,45 @@ fn screen(line: &str){
     ncurses::endwin();
 
 }
+
+
+
+//parses UTF8 files. Does not work if it has BOM or CRLF line terminators. Currently searching for fix.
+fn text(filename: &str) -> std::io::Result<()>{
+    
+    
+    let mut file = File::open(filename).expect("cannot open file.");
+    let mut contents = String::new();
+    file.read_to_string(&mut contents).expect("unreadable file.");
+
+    
+    screen(&contents);
+    Ok(())
+
+
+}
+
+
+//parses pdf files
+fn pdf(){
+
+
+}
+
+
+//parses mobi files
+fn mobi(){
+
+
+
+}
+
+
+//parses epub files
+fn epub(){
+
+
+}
+
+
+