75 lines
2.3 KiB
Rust
75 lines
2.3 KiB
Rust
use iced::widget::{button, text};
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use iced::{Element, Task};
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use crate::module::{BarModule, ModuleMsg};
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use crate::subscriptions::clock::{ClockKind, ClockPayload};
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use crate::subscriptions::Subscription;
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use crate::Message;
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/// A dummy clock module: subscribes to second ticks, stores the latest
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/// value, renders it as text in the bar. Clicking toggles between showing
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/// seconds (HH:MM:SS) and hiding them (HH:MM) — purely a display choice,
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/// the subscription always ticks seconds.
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#[derive(Clone)]
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pub enum ClockMsg {
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/// The bar was clicked; toggle the seconds suffix.
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ToggleSeconds,
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}
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pub struct Clock {
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value: String,
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show_seconds: bool,
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}
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impl Clock {
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pub fn new() -> Self {
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Self {
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value: "--:--:--".to_string(),
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show_seconds: true,
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}
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}
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}
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impl BarModule for Clock {
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fn id(&self) -> &'static str {
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"clock"
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}
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fn view(&self, window_id: Option<iced::window::Id>) -> Element<'_, ModuleMsg> {
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let _ = window_id;
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// Derive the display string from the stored value each render, so a
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// click just flips `show_seconds` and the text updates.
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let shown = if self.show_seconds {
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self.value.clone()
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} else {
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self.value
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.split(':') // [hh, mm, ss]
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.take(2)
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.collect::<Vec<_>>()
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.join(":")
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};
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button(text(shown).size(16))
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.padding(0) // kill default 5/10 asymmetric padding; row centers it
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.on_press(ModuleMsg::new(self.id(), ClockMsg::ToggleSeconds))
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.into()
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}
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fn update(&mut self, msg: ModuleMsg) -> Task<Message> {
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// The subscription fan-out delivers a raw `ClockPayload` (never
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// wrapped in `ClockMsg`) — handle it first.
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if let Some(payload) = msg.downcast::<ClockPayload>() {
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self.value = payload.value.clone();
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return Task::none();
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}
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// Module-local messages (button clicks) come as `ClockMsg`.
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if let Some(ClockMsg::ToggleSeconds) = msg.downcast::<ClockMsg>() {
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self.show_seconds = !self.show_seconds;
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}
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Task::none()
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}
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fn subscriptions(&self) -> Vec<Subscription> {
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vec![Subscription::Clock(ClockKind::Seconds)]
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}
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}
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