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-rw-r--r--alacritty_terminal/src/message_bar.rs433
1 files changed, 0 insertions, 433 deletions
diff --git a/alacritty_terminal/src/message_bar.rs b/alacritty_terminal/src/message_bar.rs
deleted file mode 100644
index 240581ff..00000000
--- a/alacritty_terminal/src/message_bar.rs
+++ /dev/null
@@ -1,433 +0,0 @@
-use std::collections::VecDeque;
-
-use crate::term::color::Rgb;
-use crate::term::SizeInfo;
-
-pub const CLOSE_BUTTON_TEXT: &str = "[X]";
-const CLOSE_BUTTON_PADDING: usize = 1;
-const MIN_FREE_LINES: usize = 3;
-const TRUNCATED_MESSAGE: &str = "[MESSAGE TRUNCATED]";
-
-/// Message for display in the MessageBuffer.
-#[derive(Debug, Eq, PartialEq, Clone)]
-pub struct Message {
- text: String,
- color: Rgb,
- target: Option<String>,
-}
-
-impl Message {
- /// Create a new message.
- pub fn new(text: String, color: Rgb) -> Message {
- Message { text, color, target: None }
- }
-
- /// Formatted message text lines.
- pub fn text(&self, size_info: &SizeInfo) -> Vec<String> {
- let num_cols = size_info.cols().0;
- let max_lines = size_info.lines().saturating_sub(MIN_FREE_LINES);
- let button_len = CLOSE_BUTTON_TEXT.len();
-
- // Split line to fit the screen.
- let mut lines = Vec::new();
- let mut line = String::new();
- for c in self.text.trim().chars() {
- if c == '\n'
- || line.len() == num_cols
- // Keep space in first line for button.
- || (lines.is_empty()
- && num_cols >= button_len
- && line.len() == num_cols.saturating_sub(button_len + CLOSE_BUTTON_PADDING))
- {
- // Attempt to wrap on word boundaries.
- if let (Some(index), true) = (line.rfind(char::is_whitespace), c != '\n') {
- let split = line.split_off(index + 1);
- line.pop();
- lines.push(Self::pad_text(line, num_cols));
- line = split
- } else {
- lines.push(Self::pad_text(line, num_cols));
- line = String::new();
- }
- }
-
- if c != '\n' {
- line.push(c);
- }
- }
- lines.push(Self::pad_text(line, num_cols));
-
- // Truncate output if it's too long.
- if lines.len() > max_lines {
- lines.truncate(max_lines);
- if TRUNCATED_MESSAGE.len() <= num_cols {
- if let Some(line) = lines.iter_mut().last() {
- *line = Self::pad_text(TRUNCATED_MESSAGE.into(), num_cols);
- }
- }
- }
-
- // Append close button to first line.
- if button_len <= num_cols {
- if let Some(line) = lines.get_mut(0) {
- line.truncate(num_cols - button_len);
- line.push_str(CLOSE_BUTTON_TEXT);
- }
- }
-
- lines
- }
-
- /// Message color.
- #[inline]
- pub fn color(&self) -> Rgb {
- self.color
- }
-
- /// Message target.
- #[inline]
- pub fn target(&self) -> Option<&String> {
- self.target.as_ref()
- }
-
- /// Update the message target.
- #[inline]
- pub fn set_target(&mut self, target: String) {
- self.target = Some(target);
- }
-
- /// Right-pad text to fit a specific number of columns.
- #[inline]
- fn pad_text(mut text: String, num_cols: usize) -> String {
- let padding_len = num_cols.saturating_sub(text.len());
- text.extend(vec![' '; padding_len]);
- text
- }
-}
-
-/// Storage for message bar.
-#[derive(Debug, Default)]
-pub struct MessageBuffer {
- messages: VecDeque<Message>,
-}
-
-impl MessageBuffer {
- /// Create new message buffer.
- pub fn new() -> MessageBuffer {
- MessageBuffer { messages: VecDeque::new() }
- }
-
- /// Check if there are any messages queued.
- #[inline]
- pub fn is_empty(&self) -> bool {
- self.messages.is_empty()
- }
-
- /// Current message.
- #[inline]
- pub fn message(&self) -> Option<&Message> {
- self.messages.front()
- }
-
- /// Remove the currently visible message.
- #[inline]
- pub fn pop(&mut self) {
- // Remove the message itself.
- let msg = self.messages.pop_front();
-
- // Remove all duplicates.
- if let Some(msg) = msg {
- self.messages = self.messages.drain(..).filter(|m| m != &msg).collect();
- }
- }
-
- /// Remove all messages with a specific target.
- #[inline]
- pub fn remove_target(&mut self, target: &str) {
- self.messages = self
- .messages
- .drain(..)
- .filter(|m| m.target().map(String::as_str) != Some(target))
- .collect();
- }
-
- /// Add a new message to the queue.
- #[inline]
- pub fn push(&mut self, message: Message) {
- self.messages.push_back(message);
- }
-}
-
-#[cfg(test)]
-mod tests {
- use super::{Message, MessageBuffer, MIN_FREE_LINES};
- use crate::term::{color, SizeInfo};
-
- #[test]
- fn appends_close_button() {
- let input = "a";
- let mut message_buffer = MessageBuffer::new();
- message_buffer.push(Message::new(input.into(), color::RED));
- let size = SizeInfo {
- width: 7.,
- height: 10.,
- cell_width: 1.,
- cell_height: 1.,
- padding_x: 0.,
- padding_y: 0.,
- dpr: 0.,
- };
-
- let lines = message_buffer.message().unwrap().text(&size);
-
- assert_eq!(lines, vec![String::from("a [X]")]);
- }
-
- #[test]
- fn multiline_close_button_first_line() {
- let input = "fo\nbar";
- let mut message_buffer = MessageBuffer::new();
- message_buffer.push(Message::new(input.into(), color::RED));
- let size = SizeInfo {
- width: 6.,
- height: 10.,
- cell_width: 1.,
- cell_height: 1.,
- padding_x: 0.,
- padding_y: 0.,
- dpr: 0.,
- };
-
- let lines = message_buffer.message().unwrap().text(&size);
-
- assert_eq!(lines, vec![String::from("fo [X]"), String::from("bar ")]);
- }
-
- #[test]
- fn splits_on_newline() {
- let input = "a\nb";
- let mut message_buffer = MessageBuffer::new();
- message_buffer.push(Message::new(input.into(), color::RED));
- let size = SizeInfo {
- width: 6.,
- height: 10.,
- cell_width: 1.,
- cell_height: 1.,
- padding_x: 0.,
- padding_y: 0.,
- dpr: 0.,
- };
-
- let lines = message_buffer.message().unwrap().text(&size);
-
- assert_eq!(lines.len(), 2);
- }
-
- #[test]
- fn splits_on_length() {
- let input = "foobar1";
- let mut message_buffer = MessageBuffer::new();
- message_buffer.push(Message::new(input.into(), color::RED));
- let size = SizeInfo {
- width: 6.,
- height: 10.,
- cell_width: 1.,
- cell_height: 1.,
- padding_x: 0.,
- padding_y: 0.,
- dpr: 0.,
- };
-
- let lines = message_buffer.message().unwrap().text(&size);
-
- assert_eq!(lines.len(), 2);
- }
-
- #[test]
- fn empty_with_shortterm() {
- let input = "foobar";
- let mut message_buffer = MessageBuffer::new();
- message_buffer.push(Message::new(input.into(), color::RED));
- let size = SizeInfo {
- width: 6.,
- height: 0.,
- cell_width: 1.,
- cell_height: 1.,
- padding_x: 0.,
- padding_y: 0.,
- dpr: 0.,
- };
-
- let lines = message_buffer.message().unwrap().text(&size);
-
- assert_eq!(lines.len(), 0);
- }
-
- #[test]
- fn truncates_long_messages() {
- let input = "hahahahahahahahahahaha truncate this because it's too long for the term";
- let mut message_buffer = MessageBuffer::new();
- message_buffer.push(Message::new(input.into(), color::RED));
- let size = SizeInfo {
- width: 22.,
- height: (MIN_FREE_LINES + 2) as f32,
- cell_width: 1.,
- cell_height: 1.,
- padding_x: 0.,
- padding_y: 0.,
- dpr: 0.,
- };
-
- let lines = message_buffer.message().unwrap().text(&size);
-
- assert_eq!(lines, vec![
- String::from("hahahahahahahahaha [X]"),
- String::from("[MESSAGE TRUNCATED] ")
- ]);
- }
-
- #[test]
- fn hide_button_when_too_narrow() {
- let input = "ha";
- let mut message_buffer = MessageBuffer::new();
- message_buffer.push(Message::new(input.into(), color::RED));
- let size = SizeInfo {
- width: 2.,
- height: 10.,
- cell_width: 1.,
- cell_height: 1.,
- padding_x: 0.,
- padding_y: 0.,
- dpr: 0.,
- };
-
- let lines = message_buffer.message().unwrap().text(&size);
-
- assert_eq!(lines, vec![String::from("ha")]);
- }
-
- #[test]
- fn hide_truncated_when_too_narrow() {
- let input = "hahahahahahahahaha";
- let mut message_buffer = MessageBuffer::new();
- message_buffer.push(Message::new(input.into(), color::RED));
- let size = SizeInfo {
- width: 2.,
- height: (MIN_FREE_LINES + 2) as f32,
- cell_width: 1.,
- cell_height: 1.,
- padding_x: 0.,
- padding_y: 0.,
- dpr: 0.,
- };
-
- let lines = message_buffer.message().unwrap().text(&size);
-
- assert_eq!(lines, vec![String::from("ha"), String::from("ha")]);
- }
-
- #[test]
- fn add_newline_for_button() {
- let input = "test";
- let mut message_buffer = MessageBuffer::new();
- message_buffer.push(Message::new(input.into(), color::RED));
- let size = SizeInfo {
- width: 5.,
- height: 10.,
- cell_width: 1.,
- cell_height: 1.,
- padding_x: 0.,
- padding_y: 0.,
- dpr: 0.,
- };
-
- let lines = message_buffer.message().unwrap().text(&size);
-
- assert_eq!(lines, vec![String::from("t [X]"), String::from("est ")]);
- }
-
- #[test]
- fn remove_target() {
- let mut message_buffer = MessageBuffer::new();
- for i in 0..10 {
- let mut msg = Message::new(i.to_string(), color::RED);
- if i % 2 == 0 && i < 5 {
- msg.set_target("target".into());
- }
- message_buffer.push(msg);
- }
-
- message_buffer.remove_target("target");
-
- // Count number of messages.
- let mut num_messages = 0;
- while message_buffer.message().is_some() {
- num_messages += 1;
- message_buffer.pop();
- }
-
- assert_eq!(num_messages, 7);
- }
-
- #[test]
- fn pop() {
- let mut message_buffer = MessageBuffer::new();
- let one = Message::new(String::from("one"), color::RED);
- message_buffer.push(one.clone());
- let two = Message::new(String::from("two"), color::YELLOW);
- message_buffer.push(two.clone());
-
- assert_eq!(message_buffer.message(), Some(&one));
-
- message_buffer.pop();
-
- assert_eq!(message_buffer.message(), Some(&two));
- }
-
- #[test]
- fn wrap_on_words() {
- let input = "a\nbc defg";
- let mut message_buffer = MessageBuffer::new();
- message_buffer.push(Message::new(input.into(), color::RED));
- let size = SizeInfo {
- width: 5.,
- height: 10.,
- cell_width: 1.,
- cell_height: 1.,
- padding_x: 0.,
- padding_y: 0.,
- dpr: 0.,
- };
-
- let lines = message_buffer.message().unwrap().text(&size);
-
- assert_eq!(lines, vec![
- String::from("a [X]"),
- String::from("bc "),
- String::from("defg ")
- ]);
- }
-
- #[test]
- fn remove_duplicates() {
- let mut message_buffer = MessageBuffer::new();
- for _ in 0..10 {
- let msg = Message::new(String::from("test"), color::RED);
- message_buffer.push(msg);
- }
- message_buffer.push(Message::new(String::from("other"), color::RED));
- message_buffer.push(Message::new(String::from("test"), color::YELLOW));
- let _ = message_buffer.message();
-
- message_buffer.pop();
-
- // Count number of messages.
- let mut num_messages = 0;
- while message_buffer.message().is_some() {
- num_messages += 1;
- message_buffer.pop();
- }
-
- assert_eq!(num_messages, 2);
- }
-}
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