make utilities module

src/app/widget.rs

@@ -1,5 +1,5 @@
 use ratatui::{layout::Rect, style::{Color, Stylize}, text::{Line, Span}, widgets::Widget};
-use crate::{app::App, buffer::Buffer, custom_greys::CustomGreys};
+use crate::{app::App, buffer::Buffer, utilities::CustomGreys};
 
 impl Widget for &App {
 	fn render(self, area: Rect, buf: &mut ratatui::buffer::Buffer) {

src/buffer/widget/character_panel.rs

@@ -1,6 +1,6 @@
 use std::{borrow::Cow, iter, mem};
 use ratatui::{style::{Color, Style, Stylize}, text::Span};
-use crate::{buffer::Buffer, cardinality::HasCardinality, cursor::InCursor, custom_greys::CustomGreys, empty_span::empty_span};
+use crate::{buffer::Buffer, utilities::{CustomGreys, empty_span, HasCardinality}, cursor::InCursor};
 
 impl Buffer {
 	pub fn render_character_panel(

src/buffer/widget/hex.rs

@@ -2,7 +2,7 @@ use std::{borrow::Cow, iter::{self, repeat_n}, mem};
 use itertools::Itertools;
 use ratatui::{style::{Color, Style, Stylize}, text::Span};
 
-use crate::{BYTES_PER_CHUNK, BYTES_PER_LINE, CHUNKS_PER_LINE, buffer::{Buffer, Mode, PartialAction}, cardinality::HasCardinality, cursor::InCursor, custom_greys::CustomGreys, empty_span::empty_span};
+use crate::{BYTES_PER_CHUNK, BYTES_PER_LINE, CHUNKS_PER_LINE, buffer::{Buffer, Mode, PartialAction}, utilities::{CustomGreys, empty_span, HasCardinality}, cursor::InCursor};
 
 impl Buffer {
 	pub fn render_chunks(
@@ -132,7 +132,7 @@ impl Buffer {
 		if let Some(place_in_cursor) = self.primary_cursor.contains(address) {
 			let head_color = match self.mode {
 				Mode::Select => Color::Yellow,
-				_ => Color::Gray
+				Mode::Normal => Color::Gray
 			};
 			
 			match place_in_cursor {

src/buffer/widget/status_line.rs

@@ -1,4 +1,4 @@
-use crate::{buffer::{Buffer, Mode}, custom_greys::CustomGreys};
+use crate::{buffer::{Buffer, Mode}, utilities::CustomGreys};
 use ratatui::{style::{Color, Stylize}, text::{Line, Span, Text}};
 
 impl Buffer {

src/main.rs

@@ -23,9 +23,7 @@ mod edit_action;
 mod arguments;
 mod window_size;
 
-mod cardinality;
+mod utilities;
-mod empty_span;
-mod custom_greys;
 
 const BYTES_PER_LINE: usize = 0x10;
 const BYTES_PER_CHUNK: usize = 4;

src/utilities.rs

@@ -0,0 +1,7 @@
+mod cardinality;
+mod empty_span;
+mod custom_greys;
+
+pub use cardinality::HasCardinality;
+pub use empty_span::empty_span;
+pub use custom_greys::CustomGreys;

src/utilities/empty_span.rs

@@ -1,6 +1,7 @@
 use std::borrow::Cow;
 use ratatui::{style::Style, text::Span};
 
+// this can't just use Span::default() because it needs to be const
 pub const fn empty_span() -> Span<'static> {
 	Span {
 		style: Style::new(),