Extract state management and add play and pause
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parent
dad38590f4
commit
78acebbf06
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@ -7,6 +7,7 @@ use gtk::{gdk::Key, prelude::*, subclass::prelude::*, EventControllerKey};
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use std::{
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cell::RefCell,
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rc::Rc,
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sync::{Arc, RwLock},
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time::{Duration, Instant},
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};
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@ -19,7 +20,85 @@ enum Event {
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Time(Duration),
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}
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struct TimeoutAnimation {
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#[derive(Clone, Copy, Debug)]
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pub enum State {
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Running {
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last_update: Instant,
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deadline: Instant,
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timeout: Option<TimeoutAnimation>,
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},
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Paused {
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time_remaining: Duration,
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timeout: Option<TimeoutAnimation>,
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},
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}
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impl State {
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fn new(countdown: Duration) -> Self {
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Self::Paused {
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time_remaining: countdown,
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timeout: None,
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}
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}
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fn start(&mut self) {
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if let Self::Paused {
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time_remaining,
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timeout,
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} = self
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{
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*self = Self::Running {
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last_update: Instant::now(),
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deadline: Instant::now() + *time_remaining,
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timeout: timeout.clone(),
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};
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}
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}
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fn pause(&mut self) {
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if let Self::Running {
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deadline, timeout, ..
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} = self
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{
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*self = Self::Paused {
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time_remaining: *deadline - Instant::now(),
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timeout: timeout.clone(),
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}
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}
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}
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fn start_pause(&mut self) {
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match self {
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Self::Running { .. } => self.pause(),
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Self::Paused { .. } => self.start(),
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}
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}
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fn run(&mut self, now: Instant) {
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if let Self::Running {
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last_update,
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deadline,
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timeout,
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} = self
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{
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*last_update = now;
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if let Some(ref mut timeout) = timeout {
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// TODO: figure out the actual number of frames
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timeout.tick(1);
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}
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if *last_update > *deadline && timeout.is_none() {
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*timeout = Some(TimeoutAnimation {
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intensity: 1.,
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duration: 1.,
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ascending: false,
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});
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}
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}
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}
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}
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#[derive(Clone, Copy, Debug)]
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pub struct TimeoutAnimation {
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intensity: f64,
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duration: f64,
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ascending: bool,
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@ -46,13 +125,12 @@ impl TimeoutAnimation {
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pub struct SplashPrivate {
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text: Rc<RefCell<String>>,
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time: Rc<RefCell<Duration>>,
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background: Rc<RefCell<Pattern>>,
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time_extents: Rc<RefCell<Option<TextExtents>>>,
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width: Rc<RefCell<i32>>,
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height: Rc<RefCell<i32>>,
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timeout_animation: Rc<RefCell<Option<TimeoutAnimation>>>,
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state: Rc<RefCell<State>>,
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}
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impl SplashPrivate {
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@ -60,8 +138,8 @@ impl SplashPrivate {
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*self.text.borrow_mut() = text;
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}
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fn set_time(&self, time: Duration) {
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*self.time.borrow_mut() = time;
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fn set_state(&self, state: State) {
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*self.state.borrow_mut() = state;
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}
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fn redraw_background(&self) {
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@ -174,12 +252,12 @@ impl ObjectSubclass for SplashPrivate {
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SplashPrivate {
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text: Rc::new(RefCell::new(String::from(""))),
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time: Rc::new(RefCell::new(Duration::ZERO)),
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background: Rc::new(RefCell::new(background)),
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time_extents: Rc::new(RefCell::new(None)),
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width: Rc::new(RefCell::new(WIDTH)),
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height: Rc::new(RefCell::new(HEIGHT)),
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timeout_animation: Rc::new(RefCell::new(None)),
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state: Rc::new(RefCell::new(State::new(Duration::ZERO))),
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}
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}
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}
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@ -192,13 +270,13 @@ glib::wrapper! {
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}
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impl Splash {
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pub fn new(text: String, time: Duration) -> Self {
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pub fn new(text: String, state: State) -> Self {
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let s: Self = Object::builder().build();
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s.set_width_request(WIDTH);
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s.set_height_request(HEIGHT);
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s.imp().set_text(text);
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s.imp().set_time(time);
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s.imp().set_state(state);
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s.imp().redraw_background();
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s.set_draw_func({
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@ -208,15 +286,18 @@ impl Splash {
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let _ = context.set_source(&*background);
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let _ = context.paint();
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let time = s.imp().time.borrow().clone();
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let state = s.imp().state.borrow().clone();
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let time = match state {
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State::Running { deadline, .. } => deadline - Instant::now(),
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State::Paused { time_remaining, .. } => time_remaining,
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};
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let minutes = time.as_secs() / 60;
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let seconds = time.as_secs() % 60;
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let center_x = width as f64 / 2.;
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let center_y = height as f64 / 2.;
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{}
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{
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context.select_font_face(
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"Alegreya Sans SC",
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@ -237,39 +318,30 @@ impl Splash {
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let time_baseline_x = center_x - time_extents.width() / 2.;
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let time_baseline_y = center_y + 100.;
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/*
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match *s.imp().timeout_animation.borrow() {
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Some(ref animation) => {
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context.set_source_rgb(animation.intensity / 2., 0., 0.);
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RoundedRectangle {
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x: time_baseline_x - 5.,
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y: time_baseline_y + 10.,
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width: time_extents.width() + 15.,
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height: time_extents.height() + 15.,
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}
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.draw(&context);
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// let _ = context.fill();
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}
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None => {}
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}
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*/
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let gradient = LinearGradient::new(
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time_baseline_x,
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time_baseline_y - time_extents.height(),
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time_baseline_x,
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time_baseline_y,
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);
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match *s.imp().timeout_animation.borrow() {
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let (running, timeout_animation) = match state {
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State::Running { timeout, .. } => (true, timeout.clone()),
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State::Paused { timeout, .. } => (false, timeout.clone()),
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};
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match timeout_animation {
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Some(ref animation) => {
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gradient.add_color_stop_rgba(0.2, 0.2, 0.0, 1.0, animation.intensity);
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gradient.add_color_stop_rgba(0.8, 0.7, 0.0, 1.0, animation.intensity);
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let _ = context.set_source(gradient);
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}
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None => {
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if running {
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gradient.add_color_stop_rgb(0.2, 0.2, 0.0, 1.0);
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gradient.add_color_stop_rgb(0.8, 0.7, 0.0, 1.0);
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let _ = context.set_source(gradient);
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} else {
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context.set_source_rgb(0.3, 0.3, 0.3);
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}
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}
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}
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context.move_to(time_baseline_x, time_baseline_y);
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@ -304,28 +376,10 @@ impl Splash {
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s
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}
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pub fn set_time(&self, time: Duration) {
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self.imp().set_time(time);
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if time == Duration::ZERO {
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*self.imp().timeout_animation.borrow_mut() = Some(TimeoutAnimation {
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intensity: 1.,
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duration: 1.,
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ascending: false,
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});
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}
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pub fn set_state(&self, state: State) {
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self.imp().set_state(state);
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self.queue_draw();
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}
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pub fn tick(&self, frames_elapsed: u8) {
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let mut animation = self.imp().timeout_animation.borrow_mut();
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match *animation {
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Some(ref mut animation) => {
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animation.tick(frames_elapsed);
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self.queue_draw();
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}
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None => {}
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}
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}
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}
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struct AsymLineCutout {
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@ -504,14 +558,13 @@ fn main() {
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app.connect_activate(move |app| {
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let (gtk_tx, gtk_rx) =
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gtk::glib::MainContext::channel::<Event>(gtk::glib::PRIORITY_DEFAULT);
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gtk::glib::MainContext::channel::<State>(gtk::glib::PRIORITY_DEFAULT);
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let window = gtk::ApplicationWindow::new(app);
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window.present();
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let mut countdown = Duration::from_secs(5);
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let mut next_tick = Instant::now() + Duration::from_secs(1);
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let splash = Splash::new("GTK Kifu".to_owned(), countdown.clone());
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let state = State::new(Duration::from_secs(5 * 60));
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let splash = Splash::new("GTK Kifu".to_owned(), state.clone());
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let state = Arc::new(RwLock::new(state));
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window.set_child(Some(&splash));
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@ -522,6 +575,7 @@ fn main() {
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let keyboard_events = EventControllerKey::new();
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keyboard_events.connect_key_released({
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let window = window.clone();
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let state = state.clone();
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move |_, key, _, _| {
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let name = key
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.name()
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@ -529,28 +583,30 @@ fn main() {
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.unwrap_or("".to_owned());
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match name.as_ref() {
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"Escape" => window.unfullscreen(),
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"space" => println!("space pressed"),
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"space" => state.write().unwrap().start_pause(),
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_ => {}
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}
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}
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});
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window.add_controller(keyboard_events);
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gtk_rx.attach(None, move |event| {
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gtk_rx.attach(None, move |state| {
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/*
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match event {
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Event::Frames(frames) => splash.tick(frames),
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Event::Time(time) => splash.set_time(time),
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};
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*/
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splash.set_state(state);
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Continue(true)
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});
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std::thread::spawn(move || loop {
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std::thread::spawn(move || {
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state.write().unwrap().start();
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loop {
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std::thread::sleep(Duration::from_millis(1000 / 60));
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let _ = gtk_tx.send(Event::Frames(1));
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if Instant::now() >= next_tick && countdown > Duration::from_secs(0) {
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countdown = countdown - Duration::from_secs(1);
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let _ = gtk_tx.send(Event::Time(countdown));
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next_tick = next_tick + Duration::from_secs(1);
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state.write().unwrap().run(Instant::now());
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let _ = gtk_tx.send(state.read().unwrap().clone());
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}
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});
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});
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