Rename constants module to util

cove-tui/src/chat/tree/util.rs

@@ -0,0 +1,42 @@
+use crossterm::style::{ContentStyle, Stylize};
+use toss::frame::Frame;
+
+pub const TIME_FORMAT: &str = "%H:%M ";
+pub const TIME_EMPTY: &str = "      ";
+pub const TIME_WIDTH: usize = 6;
+
+pub fn style_time() -> ContentStyle {
+    ContentStyle::default().grey()
+}
+
+pub fn style_time_inverted() -> ContentStyle {
+    ContentStyle::default().black().on_white()
+}
+
+pub const INDENT: &str = "│ ";
+pub const INDENT_WIDTH: usize = 2;
+
+pub fn style_indent() -> ContentStyle {
+    ContentStyle::default().dark_grey()
+}
+
+pub fn style_indent_inverted() -> ContentStyle {
+    ContentStyle::default().black().on_white()
+}
+
+pub const PLACEHOLDER: &str = "[...]";
+
+pub fn style_placeholder() -> ContentStyle {
+    ContentStyle::default().dark_grey()
+}
+
+// Something like this should fit: [+, 1234 more]
+pub const MIN_CONTENT_WIDTH: usize = 14;
+
+pub fn after_indent(indent: usize) -> i32 {
+    (TIME_WIDTH + indent * INDENT_WIDTH) as i32
+}
+
+pub fn after_nick(frame: &mut Frame, indent: usize, nick: &str) -> i32 {
+    after_indent(indent) + 1 + frame.width(nick) as i32 + 2
+}