Move all types to their own modules

src/cri.rs

@@ -0,0 +1,464 @@
+use std::{cell::RefCell, collections::HashMap};
+
+use chrono::{DateTime, Local};
+use iced::{
+    alignment::{Horizontal, Vertical},
+    executor,
+    widget::{column, container, mouse_area, row, text, text_input},
+    Application, Background, Color, Element, Length, Theme,
+};
+use irc::proto::{message::Tag, CapSubCommand, Capability, Command as IrcCommand, Response};
+use once_cell::sync::Lazy;
+use tokio::sync::mpsc::{UnboundedReceiver, UnboundedSender};
+
+use crate::{
+    cri_flags::CriFlags,
+    irc_message::MessageDetail,
+    message_log::MessageLog,
+    ui_message::{self, UiMessage},
+};
+
+static INPUT_ID: Lazy<text_input::Id> = Lazy::new(text_input::Id::unique);
+
+pub struct Cri {
+    message_rx: RefCell<Option<UnboundedReceiver<irc::proto::Message>>>,
+    input_tx: RefCell<UnboundedSender<irc::proto::Message>>,
+    message_log: MessageLog,
+    input_value: String,
+    nickname: String,
+    capabilities: Vec<String>,
+}
+
+impl Cri {
+    fn send_message(&mut self, input_value: &str) {
+        let active_channel = self.message_log.active_channel.clone();
+        if let Some(active_channel) = &active_channel {
+            let command = IrcCommand::PRIVMSG(active_channel.into(), input_value.into());
+            let message: irc::proto::Message = command.into();
+            self.input_tx.borrow().send(message.clone()).unwrap();
+
+            let echo_message = self
+                .capabilities
+                .contains(&Capability::EchoMessage.as_ref().into());
+            if !echo_message {
+                self.message_log.on_privmsg(
+                    &self.nickname,
+                    active_channel,
+                    &self.nickname,
+                    input_value,
+                    None,
+                    &Local::now(),
+                );
+            }
+        }
+    }
+
+    fn send_command(&mut self, command: &str) {
+        let mut tokens = command.split_whitespace();
+
+        let command = tokens.next().unwrap();
+        match command {
+            "/join" | "/j" => self.handle_join_command(&mut tokens),
+            "/part" | "/p" => self.handle_part_command(&mut tokens),
+            "/query" | "/q" => self.handle_query_command(tokens),
+            "/list" => self.handle_list_command(),
+            _ => (),
+        }
+    }
+
+    fn handle_part_command(&mut self, tokens: &mut std::str::SplitWhitespace<'_>) {
+        let channel = tokens
+            .next()
+            .map(String::from)
+            .or_else(|| self.message_log.active_channel.clone());
+        if channel.is_none() {
+            // TODO error message
+            return;
+        }
+
+        let channel = channel.unwrap();
+        if !channel.starts_with('#') {
+            // TODO error message
+            return;
+        }
+
+        let reason = tokens.collect::<Vec<_>>().join(" ");
+        let reason = if reason.is_empty() {
+            None
+        } else {
+            Some(reason)
+        };
+
+        self.input_tx
+            .borrow()
+            .send(IrcCommand::PART(channel, reason).into())
+            .unwrap();
+    }
+
+    fn handle_join_command(&mut self, tokens: &mut std::str::SplitWhitespace<'_>) {
+        let channel = tokens
+            .next()
+            .map(String::from)
+            .or_else(|| self.message_log.active_channel.clone());
+        if channel.is_none() {
+            // TODO error message
+            return;
+        }
+
+        let channel = channel.unwrap();
+        if !channel.starts_with('#') {
+            // TODO error message
+            return;
+        }
+
+        self.input_tx
+            .borrow()
+            .send(IrcCommand::JOIN(channel.clone(), tokens.next().map(String::from), None).into())
+            .unwrap();
+        self.message_log.set_active(Some(channel));
+    }
+
+    fn handle_query_command(&mut self, mut tokens: std::str::SplitWhitespace<'_>) {
+        self.message_log
+            .set_active(Some(tokens.next().unwrap().into()));
+    }
+
+    fn handle_list_command(&self) {
+        self.input_tx
+            .borrow()
+            .send(IrcCommand::LIST(None, None).into())
+            .unwrap()
+    }
+
+    fn on_join(
+        &mut self,
+        chanlist: &str,
+        source_nickname: &String,
+        timestamp: DateTime<Local>,
+        message_id: Option<&str>,
+    ) {
+        let already_joined = self.message_log.has_channel(dbg!(chanlist));
+        self.message_log
+            .on_join(chanlist, source_nickname, &timestamp, message_id);
+
+        if !already_joined
+            && source_nickname == &self.nickname
+            && self.capabilities.contains(&"draft/chathistory".into())
+        {
+            self.input_tx
+                .borrow()
+                .send(
+                    IrcCommand::Raw(
+                        "CHATHISTORY".into(),
+                        vec![
+                            "LATEST".into(),
+                            chanlist.into(),
+                            "*".into(),
+                            100.to_string(),
+                        ],
+                    )
+                    .into(),
+                )
+                .unwrap();
+        }
+    }
+}
+
+impl Application for Cri {
+    type Executor = executor::Default;
+    type Message = UiMessage;
+    type Theme = Theme;
+    type Flags = CriFlags;
+
+    fn new(flags: Self::Flags) -> (Self, iced::Command<Self::Message>) {
+        (
+            Self {
+                message_rx: RefCell::new(Some(flags.message_rx)),
+                input_tx: RefCell::new(flags.input_tx),
+                message_log: MessageLog::new(),
+                input_value: String::new(),
+                nickname: "cri".into(), // TODO take default value from config
+                capabilities: Vec::new(),
+            },
+            iced::Command::none(),
+        )
+    }
+
+    fn title(&self) -> String {
+        "cri".into()
+    }
+
+    fn update(&mut self, message: Self::Message) -> iced::Command<Self::Message> {
+        match message {
+            ui_message::UiMessage::IrcMessageReceived(message) => {
+                // TODO use actual nickname
+                let source_nickname: String =
+                    message.source_nickname().unwrap_or(&self.nickname).into();
+
+                let tags_map = message
+                    .tags
+                    .clone()
+                    .unwrap_or_default()
+                    .iter()
+                    .map(|Tag(k, v)| (k.clone(), v.clone()))
+                    .collect::<HashMap<_, _>>();
+
+                let timestamp = tags_map
+                    .get(&"time".to_owned())
+                    .cloned()
+                    .flatten()
+                    .and_then(|time| DateTime::parse_from_rfc3339(&time).ok())
+                    .map(DateTime::into)
+                    .unwrap_or_else(Local::now);
+
+                let message_id = tags_map.get("msgid").cloned().flatten();
+                let message_id = message_id.as_deref();
+
+                match &message.command {
+                    IrcCommand::CAP(_, CapSubCommand::ACK, capability, _) => {
+                        let capability = capability.as_ref().unwrap();
+                        self.capabilities.push(capability.clone());
+                    }
+
+                    IrcCommand::JOIN(chanlist, _, _) => {
+                        self.on_join(chanlist, &source_nickname, timestamp, message_id);
+                    }
+
+                    IrcCommand::PART(chanlist, comment) => {
+                        self.message_log.on_part(
+                            chanlist,
+                            &source_nickname,
+                            comment.as_deref(),
+                            &timestamp,
+                            message_id,
+                        );
+                    }
+
+                    IrcCommand::NICK(new) => {
+                        self.message_log
+                            .on_nick(&source_nickname, new, &timestamp, message_id);
+                    }
+
+                    IrcCommand::QUIT(comment) => {
+                        self.message_log.on_quit(
+                            &source_nickname,
+                            comment.as_deref(),
+                            &timestamp,
+                            message_id,
+                        );
+                    }
+
+                    IrcCommand::PRIVMSG(msgtarget, content)
+                    | IrcCommand::NOTICE(msgtarget, content) => {
+                        let channel: String = message.response_target().unwrap_or(msgtarget).into();
+                        self.message_log.on_privmsg(
+                            &self.nickname,
+                            &channel,
+                            &source_nickname,
+                            content,
+                            message_id,
+                            &timestamp,
+                        );
+                    }
+
+                    IrcCommand::Response(Response::RPL_WELCOME, args) => {
+                        self.nickname = args[0].clone()
+                    }
+                    IrcCommand::Response(Response::RPL_NAMREPLY, args) => {
+                        let channel = &args[2];
+                        let names: Vec<_> = args[3].split_ascii_whitespace().collect();
+                        self.message_log.on_names_reply(channel, names);
+                    }
+                    IrcCommand::Response(Response::RPL_TOPIC, args) => {
+                        let channel = &args[1];
+                        let topic = &args[2];
+                        self.message_log.on_topic(channel, topic);
+                    }
+
+                    IrcCommand::BATCH(tag, subcommand, params) => {
+                        self.message_log.on_batch(
+                            &self.nickname,
+                            tag,
+                            subcommand.as_ref(),
+                            params.as_ref(),
+                            &timestamp,
+                        );
+                    }
+
+                    _ => self.message_log.on_other(&message.to_string()),
+                }
+            }
+            ui_message::UiMessage::InputChanged(text) => self.input_value = text,
+            ui_message::UiMessage::InputSubmitted => {
+                if self.input_value.starts_with("//") {
+                    self.send_message(&self.input_value.clone()[1..])
+                } else if self.input_value.starts_with('/') {
+                    self.send_command(&self.input_value.clone())
+                } else {
+                    self.send_message(&self.input_value.clone());
+                }
+
+                self.input_value.clear();
+            }
+            ui_message::UiMessage::HandleChannelPress(channel) => {
+                self.message_log.set_active(channel)
+            }
+            ui_message::UiMessage::None => (),
+        }
+        iced::Command::none()
+    }
+
+    fn subscription(&self) -> iced::Subscription<Self::Message> {
+        iced::subscription::unfold(
+            "irc message",
+            self.message_rx.take(),
+            move |mut receiver| async move {
+                if let Some(message) = receiver.as_mut().unwrap().recv().await {
+                    (
+                        ui_message::UiMessage::IrcMessageReceived(Box::new(message)),
+                        receiver,
+                    )
+                } else {
+                    (ui_message::UiMessage::None, receiver)
+                }
+            },
+        )
+    }
+
+    fn view(&self) -> iced::Element<'_, Self::Message, iced::Renderer<Self::Theme>> {
+        let dark_grey = Color::new(0.58, 0.65, 0.65, 1.0);
+        let light_blue = Color::new(0.26, 0.62, 0.85, 1.0);
+        let light_red = Color::new(0.99, 0.36, 0.40, 1.0);
+
+        let log = self.message_log.view(&self.nickname);
+
+        let message_box = text_input("your magnum opus", &self.input_value)
+            .id(INPUT_ID.clone())
+            .on_input(ui_message::UiMessage::InputChanged)
+            .on_submit(ui_message::UiMessage::InputSubmitted);
+
+        let channels = column(
+            self.message_log
+                .get_all()
+                .iter()
+                .map(|(channel_name, channel)| {
+                    let is_active = self.message_log.active_channel == **channel_name;
+                    let label = match channel_name {
+                        None => "Server",
+                        Some(channel_name) => channel_name,
+                    };
+
+                    let text_color = if is_active { Some(Color::WHITE) } else { None };
+                    let nickname_color = if is_active { Color::WHITE } else { light_blue };
+                    let no_message_color = if is_active { Color::WHITE } else { dark_grey };
+
+                    let text_size = 14.0;
+                    let last_message = container(
+                        channel
+                            .messages
+                            .iter()
+                            .rev()
+                            .find_map(|m| -> Option<Element<_, _>> {
+                                match &m.detail {
+                                    MessageDetail::Privmsg { nickname, message } => Some(
+                                        row![
+                                            text(format!("{nickname}: "))
+                                                .style(nickname_color)
+                                                .size(text_size),
+                                            text(message).size(text_size)
+                                        ]
+                                        .into(),
+                                    ),
+                                    MessageDetail::Join { nickname } => Some(
+                                        row![
+                                            text(nickname).style(nickname_color).size(text_size),
+                                            text(" joined").style(no_message_color).size(text_size)
+                                        ]
+                                        .into(),
+                                    ),
+                                    _ => None,
+                                }
+                            })
+                            .unwrap_or(
+                                text(if channel_name.is_some() {
+                                    "No messages"
+                                } else {
+                                    "Server-related messages"
+                                })
+                                .style(no_message_color)
+                                .size(text_size)
+                                .into(),
+                            ),
+                    )
+                    .padding([2, 0]);
+
+                    let unread_events = channel.unread_events;
+                    let unread_messages = channel.unread_messages;
+                    let unread_highlights = channel.unread_highlights;
+                    let unread_total = unread_events + unread_messages + unread_highlights;
+
+                    let unread_indicator = container(
+                        container(
+                            text(if unread_total > 0 {
+                                unread_total.to_string()
+                            } else {
+                                String::new()
+                            })
+                            .style(Color::WHITE)
+                            .size(12),
+                        )
+                        .width(20)
+                        .height(20)
+                        .align_x(Horizontal::Center)
+                        .align_y(Vertical::Center)
+                        .style(move |_: &_| container::Appearance {
+                            background: Some(Background::Color(if unread_highlights > 0 {
+                                light_red
+                            } else if unread_messages > 0 {
+                                light_blue
+                            } else if unread_events > 0 {
+                                dark_grey
+                            } else {
+                                Color::TRANSPARENT
+                            })),
+                            border_radius: 12.0.into(),
+                            ..Default::default()
+                        }),
+                    )
+                    .padding([4, 4])
+                    .align_y(Vertical::Center)
+                    .height(Length::Fill);
+
+                    let container = container(row![
+                        column![text(label), last_message].width(Length::Fill),
+                        unread_indicator
+                    ])
+                    .style(move |_: &_| container::Appearance {
+                        background: match is_active {
+                            true => Some(Background::Color(light_blue)),
+                            false => None,
+                        },
+                        text_color,
+                        ..Default::default()
+                    })
+                    .padding([4, 4])
+                    .align_y(Vertical::Center)
+                    .width(Length::Fill)
+                    .height(54);
+
+                    mouse_area(container)
+                        .on_press(ui_message::UiMessage::HandleChannelPress(
+                            (*channel_name).clone(),
+                        ))
+                        .into()
+                })
+                .collect::<Vec<_>>(),
+        )
+        .height(Length::Fill)
+        .width(Length::Fixed(200.0));
+
+        let content = row![channels, column![log, message_box].height(Length::Fill)];
+
+        container(content).into()
+    }
+}

src/cri_flags.rs

@@ -0,0 +1,6 @@
+use tokio::sync::mpsc::{UnboundedReceiver, UnboundedSender};
+
+pub struct CriFlags {
+    pub message_rx: UnboundedReceiver<irc::proto::Message>,
+    pub input_tx: UnboundedSender<irc::proto::Message>,
+}

src/irc_handler.rs

@@ -34,15 +34,16 @@ pub async fn message_loop(
     loop {
         select! {
             val = irc_stream.next() => {
-                if let Some(message) = val.transpose()? {
+                if let Some(Ok(message)) = val {
                     println!("[Rx] {}", message.to_string().trim());
                     message_tx.send(message)?;
                 }
             }
             val = input_rx.recv() => {
-                let message = val.unwrap();
-                println!("[Tx] {}", message.to_string().trim());
-                client.send(message)?;
+                if let Some(message) = val {
+                    println!("[Tx] {}", message.to_string().trim());
+                    client.send(message)?;
+                }
             }
         }
     }

src/main.rs

@@ -1,24 +1,15 @@
+mod cri;
+mod cri_flags;
 mod irc_handler;
 mod irc_message;
 mod message_log;
+mod ui_message;
 
-use chrono::{DateTime, Local};
 use color_eyre::eyre::Result;
-use iced::{
-    alignment::{Horizontal, Vertical},
-    executor,
-    theme::Theme,
-    widget::{column, container, mouse_area, row, text, text_input},
-    Application, Background, Color, Element, Length, Settings,
-};
-use irc::proto::{message::Tag, CapSubCommand, Capability, Command as IrcCommand, Response};
-use irc_message::MessageDetail;
-use message_log::MessageLog;
-use once_cell::sync::Lazy;
-use std::{cell::RefCell, collections::HashMap};
-use tokio::sync::mpsc::{self, UnboundedReceiver, UnboundedSender};
+use iced::{Application, Settings};
+use tokio::sync::mpsc::{self};
 
-static INPUT_ID: Lazy<text_input::Id> = Lazy::new(text_input::Id::unique);
+use crate::{cri::Cri, cri_flags::CriFlags};
 
 #[tokio::main]
 async fn main() -> Result<()> {
@@ -39,443 +30,3 @@ async fn main() -> Result<()> {
 
     Ok(())
 }
-
-struct CriFlags {
-    pub message_rx: UnboundedReceiver<irc::proto::Message>,
-    pub input_tx: UnboundedSender<irc::proto::Message>,
-}
-
-#[derive(Debug, Clone)]
-pub enum UiMessage {
-    IrcMessageReceived(Box<irc::proto::Message>),
-    InputChanged(String),
-    InputSubmitted,
-    HandleChannelPress(Option<String>),
-    None,
-}
-
-struct Cri {
-    message_rx: RefCell<Option<UnboundedReceiver<irc::proto::Message>>>,
-    input_tx: RefCell<UnboundedSender<irc::proto::Message>>,
-    message_log: MessageLog,
-    input_value: String,
-    nickname: String,
-    capabilities: Vec<String>,
-}
-
-impl Cri {
-    fn send_message(&mut self, input_value: &str) {
-        let active_channel = self.message_log.active_channel.clone();
-        if let Some(active_channel) = &active_channel {
-            let command = IrcCommand::PRIVMSG(active_channel.into(), input_value.into());
-            let message: irc::proto::Message = command.into();
-            self.input_tx.borrow().send(message.clone()).unwrap();
-
-            let echo_message = self
-                .capabilities
-                .contains(&Capability::EchoMessage.as_ref().into());
-            if !echo_message {
-                self.message_log.on_privmsg(
-                    &self.nickname,
-                    active_channel,
-                    &self.nickname,
-                    input_value,
-                    None,
-                    &Local::now(),
-                );
-            }
-        }
-    }
-
-    fn send_command(&mut self, command: &str) {
-        let mut tokens = command.split_whitespace();
-
-        let command = tokens.next().unwrap();
-        match command {
-            "/join" | "/j" => self.handle_join_command(&mut tokens),
-            "/part" | "/p" => self.handle_part_command(&mut tokens),
-            "/query" | "/q" => self.handle_query_command(tokens),
-            "/list" => self.handle_list_command(),
-            _ => (),
-        }
-    }
-
-    fn handle_part_command(&mut self, tokens: &mut std::str::SplitWhitespace<'_>) {
-        let channel = tokens
-            .next()
-            .map(String::from)
-            .or_else(|| self.message_log.active_channel.clone());
-        if channel.is_none() {
-            // TODO error message
-            return;
-        }
-
-        let channel = channel.unwrap();
-        if !channel.starts_with('#') {
-            // TODO error message
-            return;
-        }
-
-        let reason = tokens.collect::<Vec<_>>().join(" ");
-        let reason = if reason.is_empty() {
-            None
-        } else {
-            Some(reason)
-        };
-
-        self.input_tx
-            .borrow()
-            .send(IrcCommand::PART(channel, reason).into())
-            .unwrap();
-    }
-
-    fn handle_join_command(&mut self, tokens: &mut std::str::SplitWhitespace<'_>) {
-        let channel = tokens
-            .next()
-            .map(String::from)
-            .or_else(|| self.message_log.active_channel.clone());
-        if channel.is_none() {
-            // TODO error message
-            return;
-        }
-
-        let channel = channel.unwrap();
-        if !channel.starts_with('#') {
-            // TODO error message
-            return;
-        }
-
-        self.input_tx
-            .borrow()
-            .send(IrcCommand::JOIN(channel.clone(), tokens.next().map(String::from), None).into())
-            .unwrap();
-        self.message_log.set_active(Some(channel));
-    }
-
-    fn handle_query_command(&mut self, mut tokens: std::str::SplitWhitespace<'_>) {
-        self.message_log
-            .set_active(Some(tokens.next().unwrap().into()));
-    }
-
-    fn handle_list_command(&self) {
-        self.input_tx
-            .borrow()
-            .send(IrcCommand::LIST(None, None).into())
-            .unwrap()
-    }
-}
-
-impl Application for Cri {
-    type Executor = executor::Default;
-    type Message = UiMessage;
-    type Theme = Theme;
-    type Flags = CriFlags;
-
-    fn new(flags: Self::Flags) -> (Self, iced::Command<Self::Message>) {
-        (
-            Self {
-                message_rx: RefCell::new(Some(flags.message_rx)),
-                input_tx: RefCell::new(flags.input_tx),
-                message_log: MessageLog::new(),
-                input_value: String::new(),
-                nickname: "cri".into(), // TODO take default value from config
-                capabilities: Vec::new(),
-            },
-            iced::Command::none(),
-        )
-    }
-
-    fn title(&self) -> String {
-        "cri".into()
-    }
-
-    fn update(&mut self, message: Self::Message) -> iced::Command<Self::Message> {
-        match message {
-            UiMessage::IrcMessageReceived(message) => {
-                // TODO use actual nickname
-                let source_nickname: String =
-                    message.source_nickname().unwrap_or(&self.nickname).into();
-
-                let tags_map = message
-                    .tags
-                    .clone()
-                    .unwrap_or_default()
-                    .iter()
-                    .map(|Tag(k, v)| (k.clone(), v.clone()))
-                    .collect::<HashMap<_, _>>();
-
-                let timestamp = tags_map
-                    .get(&"time".to_owned())
-                    .cloned()
-                    .flatten()
-                    .and_then(|time| DateTime::parse_from_rfc3339(&time).ok())
-                    .map(DateTime::into)
-                    .unwrap_or_else(Local::now);
-
-                let message_id = tags_map.get("msgid").cloned().flatten();
-                let message_id = message_id.as_deref();
-
-                match &message.command {
-                    IrcCommand::CAP(_, CapSubCommand::ACK, capability, _) => {
-                        let capability = capability.as_ref().unwrap();
-                        self.capabilities.push(capability.clone());
-                    }
-                    IrcCommand::JOIN(chanlist, _, _) => {
-                        let already_joined = self.message_log.has_channel(chanlist);
-                        self.message_log.on_join(
-                            chanlist,
-                            &source_nickname,
-                            &timestamp,
-                            message_id,
-                        );
-
-                        if !already_joined && source_nickname == self.nickname {
-                            self.input_tx
-                                .borrow()
-                                .send(
-                                    IrcCommand::Raw(
-                                        "CHATHISTORY".into(),
-                                        vec![
-                                            "LATEST".into(),
-                                            chanlist.clone(),
-                                            "*".into(),
-                                            100.to_string(),
-                                        ],
-                                    )
-                                    .into(),
-                                )
-                                .unwrap();
-                        }
-                    }
-
-                    IrcCommand::PART(chanlist, comment) => {
-                        self.message_log.on_part(
-                            chanlist,
-                            &source_nickname,
-                            comment.as_deref(),
-                            &timestamp,
-                            message_id,
-                        );
-                    }
-
-                    IrcCommand::NICK(new) => {
-                        self.message_log
-                            .on_nick(&source_nickname, new, &timestamp, message_id);
-                    }
-
-                    IrcCommand::QUIT(comment) => {
-                        self.message_log.on_quit(
-                            &source_nickname,
-                            comment.as_deref(),
-                            &timestamp,
-                            message_id,
-                        );
-                    }
-
-                    IrcCommand::PRIVMSG(msgtarget, content)
-                    | IrcCommand::NOTICE(msgtarget, content) => {
-                        let channel: String = message.response_target().unwrap_or(msgtarget).into();
-                        self.message_log.on_privmsg(
-                            &self.nickname,
-                            &channel,
-                            &source_nickname,
-                            content,
-                            message_id,
-                            &timestamp,
-                        );
-                    }
-
-                    IrcCommand::Response(Response::RPL_WELCOME, args) => {
-                        self.nickname = args[0].clone()
-                    }
-                    IrcCommand::Response(Response::RPL_NAMREPLY, args) => {
-                        let channel = &args[2];
-                        let names: Vec<_> = args[3].split_ascii_whitespace().collect();
-                        self.message_log.on_names_reply(channel, names);
-                    }
-                    IrcCommand::Response(Response::RPL_TOPIC, args) => {
-                        let channel = &args[1];
-                        let topic = &args[2];
-                        self.message_log.on_topic(channel, topic);
-                    }
-
-                    IrcCommand::BATCH(tag, subcommand, params) => {
-                        self.message_log.on_batch(
-                            &self.nickname,
-                            tag,
-                            subcommand.as_ref(),
-                            params.as_ref(),
-                            &timestamp,
-                        );
-                    }
-
-                    _ => self.message_log.on_other(&message.to_string()),
-                }
-            }
-            UiMessage::InputChanged(text) => self.input_value = text,
-            UiMessage::InputSubmitted => {
-                if self.input_value.starts_with("//") {
-                    self.send_message(&self.input_value.clone()[1..])
-                } else if self.input_value.starts_with('/') {
-                    self.send_command(&self.input_value.clone())
-                } else {
-                    self.send_message(&self.input_value.clone());
-                }
-
-                self.input_value.clear();
-            }
-            UiMessage::HandleChannelPress(channel) => self.message_log.set_active(channel),
-            UiMessage::None => (),
-        }
-        iced::Command::none()
-    }
-
-    fn subscription(&self) -> iced::Subscription<Self::Message> {
-        iced::subscription::unfold(
-            "irc message",
-            self.message_rx.take(),
-            move |mut receiver| async move {
-                if let Some(message) = receiver.as_mut().unwrap().recv().await {
-                    (UiMessage::IrcMessageReceived(Box::new(message)), receiver)
-                } else {
-                    (UiMessage::None, receiver)
-                }
-            },
-        )
-    }
-
-    fn view(&self) -> iced::Element<'_, Self::Message, iced::Renderer<Self::Theme>> {
-        let dark_grey = Color::new(0.58, 0.65, 0.65, 1.0);
-        let light_blue = Color::new(0.26, 0.62, 0.85, 1.0);
-        let light_red = Color::new(0.99, 0.36, 0.40, 1.0);
-
-        let log = self.message_log.view(&self.nickname);
-
-        let message_box = text_input("your magnum opus", &self.input_value)
-            .id(INPUT_ID.clone())
-            .on_input(UiMessage::InputChanged)
-            .on_submit(UiMessage::InputSubmitted);
-
-        let channels = column(
-            self.message_log
-                .get_all()
-                .iter()
-                .map(|(channel_name, channel)| {
-                    let is_active = self.message_log.active_channel == **channel_name;
-                    let label = match channel_name {
-                        None => "Server",
-                        Some(channel_name) => channel_name,
-                    };
-
-                    let text_color = if is_active { Some(Color::WHITE) } else { None };
-                    let nickname_color = if is_active { Color::WHITE } else { light_blue };
-                    let no_message_color = if is_active { Color::WHITE } else { dark_grey };
-
-                    let text_size = 14.0;
-                    let last_message = container(
-                        channel
-                            .messages
-                            .iter()
-                            .rev()
-                            .find_map(|m| -> Option<Element<_, _>> {
-                                match &m.detail {
-                                    MessageDetail::Privmsg { nickname, message } => Some(
-                                        row![
-                                            text(format!("{nickname}: "))
-                                                .style(nickname_color)
-                                                .size(text_size),
-                                            text(message).size(text_size)
-                                        ]
-                                        .into(),
-                                    ),
-                                    MessageDetail::Join { nickname } => Some(
-                                        row![
-                                            text(nickname).style(nickname_color).size(text_size),
-                                            text(" joined").style(no_message_color).size(text_size)
-                                        ]
-                                        .into(),
-                                    ),
-                                    _ => None,
-                                }
-                            })
-                            .unwrap_or(
-                                text(if channel_name.is_some() {
-                                    "No messages"
-                                } else {
-                                    "Server-related messages"
-                                })
-                                .style(no_message_color)
-                                .size(text_size)
-                                .into(),
-                            ),
-                    )
-                    .padding([2, 0]);
-
-                    let unread_events = channel.unread_events;
-                    let unread_messages = channel.unread_messages;
-                    let unread_highlights = channel.unread_highlights;
-                    let unread_total = unread_events + unread_messages + unread_highlights;
-
-                    let unread_indicator = container(
-                        container(
-                            text(if unread_total > 0 {
-                                unread_total.to_string()
-                            } else {
-                                String::new()
-                            })
-                            .style(Color::WHITE)
-                            .size(12),
-                        )
-                        .width(20)
-                        .height(20)
-                        .align_x(Horizontal::Center)
-                        .align_y(Vertical::Center)
-                        .style(move |_: &_| container::Appearance {
-                            background: Some(Background::Color(if unread_highlights > 0 {
-                                light_red
-                            } else if unread_messages > 0 {
-                                light_blue
-                            } else if unread_events > 0 {
-                                dark_grey
-                            } else {
-                                Color::TRANSPARENT
-                            })),
-                            border_radius: 12.0.into(),
-                            ..Default::default()
-                        }),
-                    )
-                    .padding([4, 4])
-                    .align_y(Vertical::Center)
-                    .height(Length::Fill);
-
-                    let container = container(row![
-                        column![text(label), last_message].width(Length::Fill),
-                        unread_indicator
-                    ])
-                    .style(move |_: &_| container::Appearance {
-                        background: match is_active {
-                            true => Some(Background::Color(light_blue)),
-                            false => None,
-                        },
-                        text_color,
-                        ..Default::default()
-                    })
-                    .padding([4, 4])
-                    .align_y(Vertical::Center)
-                    .width(Length::Fill)
-                    .height(54);
-
-                    mouse_area(container)
-                        .on_press(UiMessage::HandleChannelPress((*channel_name).clone()))
-                        .into()
-                })
-                .collect::<Vec<_>>(),
-        )
-        .height(Length::Fill)
-        .width(Length::Fixed(200.0));
-
-        let content = row![channels, column![log, message_box].height(Length::Fill)];
-
-        container(content).into()
-    }
-}

src/message_log.rs

@@ -292,7 +292,7 @@ impl<'a> MessageLog {
         channel.unread_highlights = 0;
     }
 
-    pub fn view(&self, current_nickname: &str) -> Container<'_, crate::UiMessage> {
+    pub fn view(&self, current_nickname: &str) -> Container<'_, crate::ui_message::UiMessage> {
         let lighter_grey = Color::new(0.93, 0.94, 0.95, 1.0);
         let dark_grey = Color::new(0.58, 0.65, 0.65, 1.0);
         let lighter_green = Color::new(0.94, 0.99, 0.87, 1.0);

src/ui_message.rs

@@ -0,0 +1,10 @@
+use irc::proto::Message as IrcMessage;
+
+#[derive(Debug, Clone)]
+pub enum UiMessage {
+    IrcMessageReceived(Box<IrcMessage>),
+    InputChanged(String),
+    InputSubmitted,
+    HandleChannelPress(Option<String>),
+    None,
+}