click test, osk test

src/utils.rs

@@ -1,5 +1,26 @@
 use std::path::PathBuf;
 
+use termion::event::Key;
+
+use crate::window_manager::KeyChar;
+
+//use Linear A for escape, backspace, enter
+pub fn key_to_char(key: Key) -> Option<KeyChar> {
+  match key {
+    Key::Char('\n') => Some(KeyChar::Press('𐘂')),
+    Key::Char(c) => Some(KeyChar::Press(c)),
+    Key::Alt(c) => Some(KeyChar::Alt(c)),
+    Key::Ctrl(c) => Some(KeyChar::Ctrl(c)),
+    Key::Backspace => Some(KeyChar::Press('𐘁')),
+    Key::Esc => Some(KeyChar::Press('𐘃')),
+    _ => None,
+  }
+}
+
+pub fn min(one: usize, two: usize) -> usize {
+  if one > two { two } else { one } 
+}
+
 pub trait Substring {
   fn substring(&self, start: usize, end: usize) -> &str;
   fn remove(&self, index: usize, len: usize) -> String;