683 lines
22 KiB
Rust
683 lines
22 KiB
Rust
use cairo::{
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Context, FontSlant, FontWeight, Format, ImageSurface, LineCap, LinearGradient, Pattern,
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TextExtents,
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};
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use glib::{GString, Object};
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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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const WIDTH: i32 = 1600;
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const HEIGHT: i32 = 600;
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#[derive(Clone, Copy, Debug)]
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enum Event {
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Frames(u8),
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Time(Duration),
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}
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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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}
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impl TimeoutAnimation {
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fn tick(&mut self, frames_elapsed: u8) {
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let step_size = 1. / (self.duration * 60.);
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if self.ascending {
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self.intensity = self.intensity + step_size * frames_elapsed as f64;
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if self.intensity > 1. {
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self.intensity = 1.0;
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self.ascending = false;
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}
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} else {
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self.intensity = self.intensity - step_size * frames_elapsed as f64;
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if self.intensity < 0. {
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self.intensity = 0.0;
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self.ascending = true;
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}
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}
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}
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}
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pub struct SplashPrivate {
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text: Rc<RefCell<String>>,
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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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state: Rc<RefCell<State>>,
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}
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impl SplashPrivate {
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fn set_text(&self, text: String) {
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*self.text.borrow_mut() = text;
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}
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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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let background =
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ImageSurface::create(Format::Rgb24, *self.width.borrow(), *self.height.borrow())
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.unwrap();
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let context = Context::new(background).unwrap();
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context.push_group();
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context.set_source_rgb(0., 0., 0.);
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let _ = context.paint();
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context.select_font_face("Alegreya Sans SC", FontSlant::Normal, FontWeight::Bold);
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context.set_font_size(128.);
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let center_x = *self.width.borrow() as f64 / 2.;
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let center_y = *self.height.borrow() as f64 / 2.;
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let title_extents = context.text_extents(&self.text.borrow()).unwrap();
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let title_width = title_extents.width();
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let title_height = title_extents.height();
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{
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let start_length = center_x - title_width / 2. - title_height - 20.;
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let title_cutout = AsymLineCutout {
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orientation: gtk::Orientation::Horizontal,
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start_x: 20.,
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start_y: center_y - 20. - title_height / 2.,
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start_length,
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total_length: *self.width.borrow() as f64 - 120.,
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cutout_length: title_width,
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height: title_height,
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invert: false,
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};
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context.set_line_cap(LineCap::Round);
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context.set_source_rgb(0.7, 0., 1.);
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context.set_line_width(2.);
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title_cutout.draw(&context);
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let _ = context.stroke();
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}
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{
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let title_baseline_x = center_x - title_width / 2.;
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let title_baseline_y = center_y - 20.;
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let gradient = LinearGradient::new(
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title_baseline_x,
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title_baseline_y - title_height,
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title_baseline_x,
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title_baseline_y,
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);
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gradient.add_color_stop_rgb(0.2, 0.7, 0.0, 1.0);
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gradient.add_color_stop_rgb(0.8, 0.2, 0.0, 1.0);
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context.move_to(title_baseline_x, title_baseline_y);
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let _ = context.set_source(gradient);
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let _ = context.show_text(&self.text.borrow());
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}
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{
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context.set_source_rgb(0.7, 0., 1.);
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AsymLine {
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orientation: gtk::Orientation::Horizontal,
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start_x: 100.,
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start_y: *self.height.borrow() as f64 / 2. + 100.,
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start_length: 400.,
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height: 50.,
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total_length: 650.,
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invert: true,
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}
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.draw(&context);
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let _ = context.stroke();
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}
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{
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context.set_source_rgb(0.7, 0., 1.);
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AsymLine {
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orientation: gtk::Orientation::Horizontal,
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start_x: *self.width.borrow() as f64 / 2. + 100.,
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start_y: *self.height.borrow() as f64 / 2. + 200.,
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start_length: 600.,
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height: 50.,
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total_length: 650.,
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invert: false,
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}
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.draw(&context);
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let _ = context.stroke();
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}
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let background = context.pop_group().unwrap();
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*self.background.borrow_mut() = background;
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}
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}
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#[glib::object_subclass]
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impl ObjectSubclass for SplashPrivate {
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const NAME: &'static str = "Splash";
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type Type = Splash;
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type ParentType = gtk::DrawingArea;
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fn new() -> SplashPrivate {
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// Set up a default plain black background
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let background = ImageSurface::create(Format::Rgb24, WIDTH, HEIGHT).unwrap();
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let context = Context::new(background).unwrap();
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context.push_group();
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context.set_source_rgb(0., 0., 0.);
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let _ = context.paint();
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let background = context.pop_group().unwrap();
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SplashPrivate {
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text: Rc::new(RefCell::new(String::from(""))),
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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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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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impl ObjectImpl for SplashPrivate {}
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impl WidgetImpl for SplashPrivate {}
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impl DrawingAreaImpl for SplashPrivate {}
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glib::wrapper! {
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pub struct Splash(ObjectSubclass<SplashPrivate>) @extends gtk::DrawingArea, gtk::Widget;
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}
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impl Splash {
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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_state(state);
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s.imp().redraw_background();
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s.set_draw_func({
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let s = s.clone();
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move |_, context, width, height| {
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let background = s.imp().background.borrow();
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let _ = context.set_source(&*background);
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let _ = context.paint();
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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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context.select_font_face(
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"Alegreya Sans SC",
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FontSlant::Normal,
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FontWeight::Bold,
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);
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context.set_font_size(128.);
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let time = format!("{:02}' {:02}\"", minutes, seconds);
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let time_extents = context.text_extents(&time).unwrap();
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let mut saved_extents = s.imp().time_extents.borrow_mut();
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if saved_extents.is_none() {
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*saved_extents = Some(time_extents.clone());
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}
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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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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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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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let _ = context.show_text(&time);
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};
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match *s.imp().time_extents.borrow() {
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Some(extents) => {
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context.set_source_rgb(0.7, 0.0, 1.0);
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let time_meter = SlashMeter {
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orientation: gtk::Orientation::Horizontal,
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start_x: center_x + extents.width() / 2. + 50.,
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start_y: center_y + 100.,
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count: 5,
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fill_count: minutes as u8,
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height: 60.,
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length: 100.,
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};
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time_meter.draw(&context);
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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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s.connect_resize(|s, width, height| {
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*s.imp().width.borrow_mut() = width;
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*s.imp().height.borrow_mut() = height;
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s.imp().redraw_background();
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});
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s
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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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}
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struct AsymLineCutout {
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orientation: gtk::Orientation,
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start_x: f64,
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start_y: f64,
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start_length: f64,
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total_length: f64,
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cutout_length: f64,
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height: f64,
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invert: bool,
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}
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impl AsymLineCutout {
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fn draw(&self, context: &Context) {
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let dodge = if self.invert {
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self.height
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} else {
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-self.height
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};
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match self.orientation {
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gtk::Orientation::Horizontal => {
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context.move_to(self.start_x, self.start_y);
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context.line_to(self.start_x + self.start_length, self.start_y);
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context.line_to(
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self.start_x + self.start_length + self.height,
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self.start_y + dodge,
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);
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context.line_to(
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self.start_x + self.start_length + self.height + self.cutout_length,
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self.start_y + dodge,
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);
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context.line_to(
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self.start_x
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+ self.start_length
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+ self.height
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+ self.cutout_length
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+ (self.height / 2.),
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self.start_y + dodge / 2.,
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);
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context.line_to(self.total_length, self.start_y + dodge / 2.);
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}
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gtk::Orientation::Vertical => {
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context.move_to(self.start_x, self.start_y);
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context.line_to(self.start_x, self.start_y + self.start_length);
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context.line_to(
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self.start_x + dodge,
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self.start_y + self.start_length + self.height,
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);
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context.line_to(
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self.start_x + dodge,
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self.start_y + self.start_length + self.height + self.cutout_length,
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);
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context.line_to(
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self.start_x + dodge / 2.,
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self.start_y
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+ self.start_length
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+ self.height
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+ self.cutout_length
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+ (self.height / 2.),
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);
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context.line_to(self.start_x + dodge / 2., self.total_length);
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}
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_ => panic!("unknown orientation"),
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}
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}
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}
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struct AsymLine {
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orientation: gtk::Orientation,
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start_x: f64,
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start_y: f64,
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start_length: f64,
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height: f64,
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total_length: f64,
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invert: bool,
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}
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impl AsymLine {
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fn draw(&self, context: &Context) {
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let dodge = if self.invert {
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self.height
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} else {
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-self.height
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};
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match self.orientation {
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gtk::Orientation::Horizontal => {
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context.move_to(self.start_x, self.start_y);
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context.line_to(self.start_x + self.start_length, self.start_y);
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context.line_to(
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self.start_x + self.start_length + self.height,
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self.start_y + dodge,
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);
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context.line_to(self.start_x + self.total_length, self.start_y + dodge);
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}
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gtk::Orientation::Vertical => {}
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_ => panic!("unknown orientation"),
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}
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}
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}
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struct RoundedRectangle {
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x: f64,
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y: f64,
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width: f64,
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height: f64,
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}
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impl RoundedRectangle {
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fn draw(&self, context: &Context) {
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context.arc(
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self.x,
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self.y - self.height / 2.,
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self.height / 2.,
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0.5 * std::f64::consts::PI,
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1.5 * std::f64::consts::PI,
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);
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let _ = context.fill();
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context.arc(
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self.x + self.width,
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self.y - self.height / 2.,
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self.height / 2.,
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1.5 * std::f64::consts::PI,
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0.5 * std::f64::consts::PI,
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);
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let _ = context.fill();
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context.rectangle(self.x, self.y, self.width, -self.height);
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let _ = context.fill();
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}
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}
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struct SlashMeter {
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orientation: gtk::Orientation,
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start_x: f64,
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start_y: f64,
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count: u8,
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fill_count: u8,
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height: f64,
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length: f64,
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}
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impl SlashMeter {
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fn draw(&self, context: &Context) {
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match self.orientation {
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gtk::Orientation::Horizontal => {
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let angle: f64 = 0.8;
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let run = self.height / angle.tan();
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let width = self.length as f64 / (self.count as f64 * 2.);
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for c in 0..self.count {
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context.set_line_width(1.);
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let start_x = self.start_x + c as f64 * width * 2.;
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context.move_to(start_x, self.start_y);
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context.line_to(start_x + run, self.start_y - self.height);
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context.line_to(start_x + run + width, self.start_y - self.height);
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context.line_to(start_x + width, self.start_y);
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context.line_to(start_x, self.start_y);
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|
if c < self.fill_count {
|
|
let _ = context.fill();
|
|
} else {
|
|
let _ = context.stroke();
|
|
}
|
|
}
|
|
}
|
|
gtk::Orientation::Vertical => {}
|
|
_ => panic!("unknown orientation"),
|
|
}
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let app = gtk::Application::builder()
|
|
.application_id("com.luminescent-dreams.cyberpunk-splash")
|
|
.flags(gio::ApplicationFlags::HANDLES_OPEN)
|
|
.build();
|
|
|
|
app.add_main_option(
|
|
"title",
|
|
glib::char::Char::from(b't'),
|
|
glib::OptionFlags::IN_MAIN,
|
|
glib::OptionArg::String,
|
|
"",
|
|
None,
|
|
);
|
|
app.add_main_option(
|
|
"countdown",
|
|
glib::char::Char::from(b'c'),
|
|
glib::OptionFlags::IN_MAIN,
|
|
glib::OptionArg::String,
|
|
"",
|
|
None,
|
|
);
|
|
|
|
let state = Arc::new(RwLock::new(State::new(Duration::from_secs(5 * 60))));
|
|
let title = Arc::new(RwLock::new("".to_owned()));
|
|
|
|
app.connect_command_line(|_, _args| {
|
|
println!("connect_command_line");
|
|
1
|
|
});
|
|
app.connect_handle_local_options({
|
|
let title = title.clone();
|
|
let state = state.clone();
|
|
move |_, options| {
|
|
println!("connect_handle_local_options");
|
|
*title.write().unwrap() = options.lookup::<String>("title").unwrap().unwrap();
|
|
let countdown = match options.lookup::<String>("countdown") {
|
|
Ok(Some(countdown_str)) => {
|
|
let parts = countdown_str.split(':').collect::<Vec<&str>>();
|
|
let duration = match parts.len() {
|
|
2 => {
|
|
let minutes = parts[0].parse::<u64>().unwrap();
|
|
let seconds = parts[1].parse::<u64>().unwrap();
|
|
Duration::from_secs(minutes * 60 + seconds)
|
|
}
|
|
1 => {
|
|
let seconds = parts[1].parse::<u64>().unwrap();
|
|
Duration::from_secs(seconds)
|
|
}
|
|
_ => Duration::from_secs(300),
|
|
};
|
|
duration
|
|
}
|
|
_ => Duration::from_secs(300),
|
|
};
|
|
match *state.write().unwrap() {
|
|
State::Running {
|
|
ref mut deadline, ..
|
|
} => *deadline = Instant::now() + countdown,
|
|
State::Paused {
|
|
ref mut time_remaining,
|
|
..
|
|
} => *time_remaining = countdown,
|
|
}
|
|
-1
|
|
}
|
|
});
|
|
|
|
app.connect_open(move |app, files, args| {
|
|
println!("called open");
|
|
println!("files: {}", files.len());
|
|
println!("args: {}", args);
|
|
|
|
app.activate();
|
|
});
|
|
|
|
app.connect_activate(move |app| {
|
|
let (gtk_tx, gtk_rx) =
|
|
gtk::glib::MainContext::channel::<State>(gtk::glib::PRIORITY_DEFAULT);
|
|
|
|
let window = gtk::ApplicationWindow::new(app);
|
|
window.present();
|
|
|
|
let splash = Splash::new(title.read().unwrap().clone(), state.read().unwrap().clone());
|
|
|
|
window.set_child(Some(&splash));
|
|
|
|
window.connect_maximized_notify(|window| {
|
|
window.fullscreen();
|
|
});
|
|
|
|
let keyboard_events = EventControllerKey::new();
|
|
keyboard_events.connect_key_released({
|
|
let window = window.clone();
|
|
let state = state.clone();
|
|
move |_, key, _, _| {
|
|
let name = key
|
|
.name()
|
|
.map(|s| s.as_str().to_owned())
|
|
.unwrap_or("".to_owned());
|
|
match name.as_ref() {
|
|
"Escape" => window.unfullscreen(),
|
|
"space" => state.write().unwrap().start_pause(),
|
|
_ => {}
|
|
}
|
|
}
|
|
});
|
|
window.add_controller(keyboard_events);
|
|
|
|
gtk_rx.attach(None, move |state| {
|
|
splash.set_state(state);
|
|
Continue(true)
|
|
});
|
|
|
|
std::thread::spawn({
|
|
let state = state.clone();
|
|
move || {
|
|
state.write().unwrap().start();
|
|
loop {
|
|
std::thread::sleep(Duration::from_millis(1000 / 60));
|
|
state.write().unwrap().run(Instant::now());
|
|
let _ = gtk_tx.send(state.read().unwrap().clone());
|
|
}
|
|
}
|
|
});
|
|
});
|
|
|
|
app.run();
|
|
}
|