diff --git a/src/lib.rs b/src/lib.rs
index b21c5d7..2ae1c73 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,133 +10,10 @@ use termion::terminal_size;
 use termion::{clear, cursor};
 
 pub mod tile;
+pub mod utils;
 
 use tile::{Tile, TileBuilder};
 
-/// Draws a box from (x1, y1) to (x2, y2).
-pub fn rect((x1, y1): (u16, u16), (x2, y2): (u16, u16)) -> String {
-    let mut buffer = vec![];
-
-    buffer.push(format!("{}┌", cursor::Goto(x1, y1)));
-
-    for _ in (x1 + 1)..x2 {
-        buffer.push(format!("─"));
-    }
-
-    buffer.push(format!("┐"));
-
-    for y in (y1 + 1)..y2 {
-        buffer.push(format!("{}│", cursor::Goto(x1, y)));
-        buffer.push(format!("{}│", cursor::Goto(x2, y)));
-    }
-
-    buffer.push(format!("{}└", cursor::Goto(x1, y2)));
-
-    for _ in (x1 + 1)..x2 {
-        buffer.push(format!("─"));
-    }
-
-    buffer.push(format!("┘"));
-
-    buffer.join("")
-}
-
-/// Returns the length of a string containing colors and styles.
-pub fn str_len(s: &str) -> u16 {
-    let mut count = 0;
-    let mut counting = true;
-    let mut iter = s.chars().peekable();
-
-    loop {
-        let current = match iter.next() {
-            Some(c) => c,
-            None => break,
-        };
-
-        let next = iter.peek();
-
-        if current == '\x1b' && next == Some(&'[') {
-            counting = false;
-        }
-
-        if counting {
-            count += 1;
-        }
-
-        if current == 'm' {
-            counting = true;
-        }
-    }
-
-    count
-}
-
-/// Returns a substring of a string containing colors and styles.
-pub fn sub_str<'a>(s: &'a str, start: u16, end: u16) -> &'a str {
-    let mut counting = true;
-    let mut iter = s.chars().peekable();
-
-    // Find the start
-    let mut real_start = 0;
-    let mut logical_start = 0;
-    loop {
-        if logical_start == start {
-            break;
-        }
-
-        let current = match iter.next() {
-            Some(c) => c,
-            None => break,
-        };
-
-        let next = iter.peek();
-
-        if current == '\x1b' && next == Some(&'[') {
-            counting = false;
-        }
-
-        real_start += 1;
-        if counting {
-            logical_start += 1;
-        }
-
-        if current == 'm' {
-            counting = true;
-        }
-    }
-
-    // Find the end
-    let mut real_end = real_start;
-    let mut logical_end = logical_start;
-    loop {
-        if logical_end == end {
-            break;
-        }
-
-        let current = match iter.next() {
-            Some(c) => c,
-            None => break,
-        };
-
-        let next = iter.peek();
-
-        if current == '\x1b' && next == Some(&'[') {
-            counting = false;
-        }
-
-        if counting {
-            logical_end += 1;
-        }
-        real_end += 1;
-
-        if current == 'm' {
-            counting = true;
-        }
-    }
-
-    &s[real_start..real_end]
-}
-
 /// Multiple applications running in a single terminal.
 struct Multiview<W: Write> {
     /// The stdout on which the multiview will be rendererd.
diff --git a/src/tile.rs b/src/tile.rs
index 69139db..9225402 100644
--- a/src/tile.rs
+++ b/src/tile.rs
@@ -10,7 +10,7 @@ use pty_process::blocking::Pty;
 
 use termion::{color, cursor, style};
 
-use crate::{rect, Msg};
+use crate::{utils, Msg};
 
 /// A helper to build tiles.
 pub struct TileBuilder {
@@ -325,7 +325,7 @@ impl Tile {
 
         let mut buffer = vec![];
 
-        let max_title_len = self.inner_size.1 - "Command: ".len() as u16;
+        let max_title_len = self.inner_size.0 - "Command: ".len() as u16;
 
         let command_str = if command_str.len() > max_title_len as usize {
             format!(
@@ -350,14 +350,18 @@ impl Tile {
             buffer.push(format!("{}", color::Green.fg_str()));
         }
 
-        buffer.push(rect((x, y), (x + w - 1, y + h - 1)));
+        buffer.push(utils::rect((x, y), (x + w - 1, y + h - 1)));
         buffer.push(format!("{}├", cursor::Goto(x, y + 2)));
 
         for _ in (x + 1)..(x + w) {
             buffer.push(format!("─"));
         }
 
-        buffer.push(format!("{}┤", cursor::Goto(x + w - 1, y + 2)));
+        buffer.push(format!(
+            "{}┤{}",
+            cursor::Goto(x + w - 1, y + 2),
+            style::Reset,
+        ));
 
         buffer.join("")
     }
@@ -387,7 +391,7 @@ impl Tile {
                     let old_current_char_index = current_char_index;
                     current_char_index = 0;
 
-                    if line_index >= scroll && line_index < h + scroll {
+                    if line_index >= scroll && line_index <= h + scroll {
                         if old_current_char_index < w {
                             let mut spaces = String::new();
                             for _ in old_current_char_index..w {
@@ -408,11 +412,11 @@ impl Tile {
                         current_char_index += 1;
                     }
 
-                    if current_char_index == w {
+                    if current_char_index == w + 1 {
                         line_index += 1;
                         current_char_index = 1;
 
-                        if line_index >= scroll && line_index < h + scroll {
+                        if line_index >= scroll && line_index <= h + scroll {
                             buffer.push(format!(
                                 "{}",
                                 cursor::Goto(x, y + line_index as u16 - scroll)
@@ -420,7 +424,7 @@ impl Tile {
                         }
                     }
 
-                    if line_index >= scroll && line_index < h + scroll {
+                    if line_index >= scroll && line_index <= h + scroll {
                         buffer.push(format!("{}", c));
                     }
                 }
@@ -431,14 +435,6 @@ impl Tile {
             }
         }
 
-        if current_char_index == 0 {
-            let mut spaces = format!("{}", cursor::Goto(x, y + h));
-            for _ in 0..w {
-                spaces.push(' ');
-            }
-            buffer.push(spaces);
-        }
-
         buffer.push(format!("{}", style::Reset));
         buffer.join("")
     }
diff --git a/src/utils.rs b/src/utils.rs
new file mode 100644
index 0000000..5815a77
--- /dev/null
+++ b/src/utils.rs
@@ -0,0 +1,127 @@
+//! Some helper functions.
+
+use termion::cursor;
+
+/// Draws a box from (x1, y1) to (x2, y2).
+pub fn rect((x1, y1): (u16, u16), (x2, y2): (u16, u16)) -> String {
+    let mut buffer = vec![];
+
+    buffer.push(format!("{}┌", cursor::Goto(x1, y1)));
+
+    for _ in (x1 + 1)..x2 {
+        buffer.push(format!("─"));
+    }
+
+    buffer.push(format!("┐"));
+
+    for y in (y1 + 1)..y2 {
+        buffer.push(format!("{}│", cursor::Goto(x1, y)));
+        buffer.push(format!("{}│", cursor::Goto(x2, y)));
+    }
+
+    buffer.push(format!("{}└", cursor::Goto(x1, y2)));
+
+    for _ in (x1 + 1)..x2 {
+        buffer.push(format!("─"));
+    }
+
+    buffer.push(format!("┘"));
+
+    buffer.join("")
+}
+
+/// Returns the length of a string containing colors and styles.
+pub fn str_len(s: &str) -> u16 {
+    let mut count = 0;
+    let mut counting = true;
+    let mut iter = s.chars().peekable();
+
+    loop {
+        let current = match iter.next() {
+            Some(c) => c,
+            None => break,
+        };
+
+        let next = iter.peek();
+
+        if current == '\x1b' && next == Some(&'[') {
+            counting = false;
+        }
+
+        if counting {
+            count += 1;
+        }
+
+        if current == 'm' {
+            counting = true;
+        }
+    }
+
+    count
+}
+
+/// Returns a substring of a string containing colors and styles.
+pub fn sub_str<'a>(s: &'a str, start: u16, end: u16) -> &'a str {
+    let mut counting = true;
+    let mut iter = s.chars().peekable();
+
+    // Find the start
+    let mut real_start = 0;
+    let mut logical_start = 0;
+    loop {
+        if logical_start == start {
+            break;
+        }
+
+        let current = match iter.next() {
+            Some(c) => c,
+            None => break,
+        };
+
+        let next = iter.peek();
+
+        if current == '\x1b' && next == Some(&'[') {
+            counting = false;
+        }
+
+        real_start += 1;
+        if counting {
+            logical_start += 1;
+        }
+
+        if current == 'm' {
+            counting = true;
+        }
+    }
+
+    // Find the end
+    let mut real_end = real_start;
+    let mut logical_end = logical_start;
+    loop {
+        if logical_end == end {
+            break;
+        }
+
+        let current = match iter.next() {
+            Some(c) => c,
+            None => break,
+        };
+
+        let next = iter.peek();
+
+        if current == '\x1b' && next == Some(&'[') {
+            counting = false;
+        }
+
+        if counting {
+            logical_end += 1;
+        }
+        real_end += 1;
+
+        if current == 'm' {
+            counting = true;
+        }
+    }
+
+    &s[real_start..real_end]
+}