dummy example
This commit is contained in:
parent
183f1064ec
commit
40268c891b
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@ -12,3 +12,4 @@ dirs = "^3.0.1"
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gio = "^0"
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gtk = "^0"
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rodio = "^0.11.0"
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iui = "0.3"
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366
src/main.rs
366
src/main.rs
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@ -10,30 +10,35 @@ use std::io::BufReader;
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use std::path::PathBuf;
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use std::process::Command;
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const SPACING: i32 = 16;
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fn error_popup(message: &str) {
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let popup = gtk::Window::new(gtk::WindowType::Toplevel);
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popup.set_title("error");
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popup.set_border_width(SPACING as u32);
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popup.set_position(gtk::WindowPosition::Center);
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popup.set_default_size(256, 64);
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let vertical = gtk::Box::new(Orientation::Vertical, SPACING);
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popup.add(&vertical);
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let message = gtk::Label::new(Some(message));
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vertical.add(&message);
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let button_ok = gtk::Button::with_label("OK");
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vertical.add(&button_ok);
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popup.show_all();
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button_ok.connect_clicked(move |_| unsafe {
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popup.destroy();
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});
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}
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use iui::prelude::*;
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use iui::controls::{Label, Spinbox, Slider, Entry, MultilineEntry, VerticalBox, HorizontalBox, HorizontalSeparator, Group, Spacer};
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use std::rc::Rc;
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use std::cell::RefCell;
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//
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// const SPACING: i32 = 16;
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//
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// fn error_popup(message: &str) {
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// let popup = gtk::Window::new(gtk::WindowType::Toplevel);
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// popup.set_title("error");
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// popup.set_border_width(SPACING as u32);
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// popup.set_position(gtk::WindowPosition::Center);
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// popup.set_default_size(256, 64);
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//
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// let vertical = gtk::Box::new(Orientation::Vertical, SPACING);
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// popup.add(&vertical);
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//
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// let message = gtk::Label::new(Some(message));
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// vertical.add(&message);
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//
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// let button_ok = gtk::Button::with_label("OK");
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// vertical.add(&button_ok);
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//
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// popup.show_all();
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//
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// button_ok.connect_clicked(move |_| unsafe {
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// popup.destroy();
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// });
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// }
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fn get_data_dir() -> PathBuf {
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let mut data_dir = dirs::data_dir().expect("Couldn't find user data directory");
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@ -46,115 +51,220 @@ fn get_data_dir() -> PathBuf {
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data_dir
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}
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//
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// fn build_ui(application: >k::Application) {
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// let window = gtk::ApplicationWindow::new(application);
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//
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// window.set_title("lull");
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// window.set_border_width(SPACING as u32);
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// window.set_position(gtk::WindowPosition::Center);
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// window.set_default_size(256, 256);
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//
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// let vertical = gtk::Box::new(Orientation::Vertical, SPACING);
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// vertical.set_homogeneous(true);
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//
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// window.add(&vertical);
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//
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// let device = rodio::default_output_device().unwrap();
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//
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// let paths = std::fs::read_dir(get_data_dir())
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// .expect("Couldn't read from lull data directory");
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//
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// for path in paths {
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// let path = path.unwrap().path();
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// let name: &str = path.file_stem().unwrap().to_str().unwrap();
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//
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// let file = File::open(&path)
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// .expect("Couldn't open audio file");
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//
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// let source = rodio::Decoder::new(
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// BufReader::new(file)
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// );
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//
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// if source.is_err() {
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// error_popup(&format!(
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// "Couldn't parse file {}. \n{}.",
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// path.to_str().unwrap(),
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// source.err().unwrap()
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// ));
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// continue;
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// }
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//
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// let source = source.unwrap().repeat_infinite();
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//
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// let sink = Sink::new(&device);
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// sink.append(source);
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// sink.pause();
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//
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// let row = gtk::Box::new(Orientation::Horizontal, SPACING);
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// row.set_homogeneous(true);
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//
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// let label = gtk::Label::new(Some(name));
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// row.add(&label);
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//
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// let adjustment = gtk::Adjustment::new(
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// 0.0,
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// 0.0,
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// 1.0,
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// 0.0,
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// 0.0,
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// 0.0
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// );
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//
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// let slider = gtk::Scale::new(
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// Orientation::Horizontal,
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// Some(&adjustment)
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// );
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//
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// slider.set_draw_value(false);
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//
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// slider.connect_value_changed(move |scale| {
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// let volume = scale.get_value();
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//
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// if volume == 0. {
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// sink.pause();
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// } else {
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// sink.play();
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// sink.set_volume(volume as f32);
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// }
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// });
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//
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// row.add(&slider);
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//
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// vertical.add(&row);
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// }
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//
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// let row_add = gtk::Box::new(Orientation::Horizontal, SPACING);
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// row_add.set_homogeneous(true);
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//
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// let button_manage_sounds = gtk::Button::with_label("manage sounds");
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//
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// button_manage_sounds.connect_clicked(|_| {
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// let mut file_manager = Command::new("xdg-open");
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// file_manager.arg(get_data_dir());
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// file_manager.output().unwrap();
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// });
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//
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// row_add.add(&button_manage_sounds);
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// vertical.add(&row_add);
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//
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// window.show_all();
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// }
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fn build_ui(application: >k::Application) {
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let window = gtk::ApplicationWindow::new(application);
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window.set_title("lull");
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window.set_border_width(SPACING as u32);
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window.set_position(gtk::WindowPosition::Center);
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window.set_default_size(256, 256);
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let vertical = gtk::Box::new(Orientation::Vertical, SPACING);
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vertical.set_homogeneous(true);
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window.add(&vertical);
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let device = rodio::default_output_device().unwrap();
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let paths = std::fs::read_dir(get_data_dir())
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.expect("Couldn't read from lull data directory");
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for path in paths {
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let path = path.unwrap().path();
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let name: &str = path.file_stem().unwrap().to_str().unwrap();
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let file = File::open(&path)
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.expect("Couldn't open audio file");
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let source = rodio::Decoder::new(
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BufReader::new(file)
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);
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if source.is_err() {
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error_popup(&format!(
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"Couldn't parse file {}. \n{}.",
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path.to_str().unwrap(),
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source.err().unwrap()
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));
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continue;
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}
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let source = source.unwrap().repeat_infinite();
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let sink = Sink::new(&device);
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sink.append(source);
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sink.pause();
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let row = gtk::Box::new(Orientation::Horizontal, SPACING);
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row.set_homogeneous(true);
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let label = gtk::Label::new(Some(name));
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row.add(&label);
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let adjustment = gtk::Adjustment::new(
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0.0,
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0.0,
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1.0,
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0.0,
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0.0,
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0.0
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);
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let slider = gtk::Scale::new(
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Orientation::Horizontal,
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Some(&adjustment)
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);
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slider.set_draw_value(false);
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slider.connect_value_changed(move |scale| {
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let volume = scale.get_value();
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if volume == 0. {
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sink.pause();
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} else {
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sink.play();
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sink.set_volume(volume as f32);
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}
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});
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row.add(&slider);
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vertical.add(&row);
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}
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let row_add = gtk::Box::new(Orientation::Horizontal, SPACING);
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row_add.set_homogeneous(true);
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let button_manage_sounds = gtk::Button::with_label("manage sounds");
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button_manage_sounds.connect_clicked(|_| {
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let mut file_manager = Command::new("xdg-open");
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file_manager.arg(get_data_dir());
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file_manager.output().unwrap();
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});
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row_add.add(&button_manage_sounds);
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vertical.add(&row_add);
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window.show_all();
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/// This struct will hold the values that multiple callbacks will need to access.
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struct State {
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slider_val: i64,
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spinner_val: i64,
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entry_val: String,
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multi_val: String,
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}
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fn main() {
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let application = gtk::Application::new(
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Some("dev.tinybird.max.lull"),
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Default::default()
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).expect("Initialization failed...");
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// Initialize the UI framework.
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let ui = UI::init().unwrap();
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application.connect_activate(|app| {
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build_ui(app);
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// Initialize the state of the application.
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let state = Rc::new(RefCell::new(State { slider_val: 0, spinner_val: 0, entry_val: "".into(), multi_val: "".into() }));
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// Set up the inputs for the application.
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// While it's not necessary to create a block for this, it makes the code a lot easier
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// to read; the indentation presents a visual cue informing the reader that these
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// statements are related.
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let (input_group, mut slider, mut spinner, mut entry, mut multi) = {
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// The group will hold all the inputs
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let mut input_group = Group::new(&ui, "Inputs");
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// The vertical box arranges the inputs within the groups
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let mut input_vbox = VerticalBox::new(&ui);
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input_vbox.set_padded(&ui, true);
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// Numerical inputs
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let slider = Slider::new(&ui, 1, 100);
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let spinner = Spinbox::new(&ui, 1, 100);
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let entry = Entry::new(&ui);
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let multi = MultilineEntry::new(&ui);
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// Add everything in hierarchy
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// Note the reverse order here. Again, it's not necessary, but it improves
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// readability.
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input_vbox.append(&ui, slider.clone(), LayoutStrategy::Compact);
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input_vbox.append(&ui, spinner.clone(), LayoutStrategy::Compact);
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input_vbox.append(&ui, Spacer::new(&ui), LayoutStrategy::Compact);
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input_vbox.append(&ui, HorizontalSeparator::new(&ui), LayoutStrategy::Compact);
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input_vbox.append(&ui, Spacer::new(&ui), LayoutStrategy::Compact);
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input_vbox.append(&ui, entry.clone(), LayoutStrategy::Compact);
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input_vbox.append(&ui, multi.clone(), LayoutStrategy::Stretchy);
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input_group.set_child(&ui, input_vbox);
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(input_group, slider, spinner, entry, multi)
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};
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// Set up the outputs for the application. Organization is very similar to the
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// previous setup.
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let (output_group, add_label, sub_label, text_label, bigtext_label) = {
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let mut output_group = Group::new(&ui, "Outputs");
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let mut output_vbox = VerticalBox::new(&ui);
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let add_label = Label::new(&ui, "");
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let sub_label = Label::new(&ui, "");
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let text_label = Label::new(&ui, "");
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let bigtext_label = Label::new(&ui, "");
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output_vbox.append(&ui, add_label.clone(), LayoutStrategy::Compact);
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output_vbox.append(&ui, sub_label.clone(), LayoutStrategy::Compact);
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output_vbox.append(&ui, text_label.clone(), LayoutStrategy::Compact);
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output_vbox.append(&ui, bigtext_label.clone(), LayoutStrategy::Stretchy);
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output_group.set_child(&ui, output_vbox);
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(output_group, add_label, sub_label, text_label, bigtext_label)
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};
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// This horizontal box will arrange the two groups of controls.
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let mut hbox = HorizontalBox::new(&ui);
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hbox.append(&ui, input_group, LayoutStrategy::Stretchy);
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hbox.append(&ui, output_group, LayoutStrategy::Stretchy);
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// The window allows all constituent components to be displayed.
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let mut window = Window::new(&ui, "Input Output Test", 300, 150, WindowType::NoMenubar);
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window.set_child(&ui, hbox);
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window.show(&ui);
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// These on_changed functions allow updating the application state when a
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// control changes its value.
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slider.on_changed(&ui, {
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let state = state.clone();
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move |val| { state.borrow_mut().slider_val = val; }
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});
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application.run(&args().collect::<Vec<_>>());
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spinner.on_changed(&ui, {
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let state = state.clone();
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move |val| { state.borrow_mut().spinner_val = val; }
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});
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entry.on_changed(&ui, {
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let state = state.clone();
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move |val| { state.borrow_mut().entry_val = val; }
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});
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multi.on_changed(&ui, {
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let state = state.clone();
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move |val| { state.borrow_mut().multi_val = val; }
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});
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// Rather than just invoking ui.run(), using EventLoop gives a lot more control
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// over the user interface event loop.
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// Here, the on_tick() callback is used to update the view against the state.
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let mut event_loop = ui.event_loop();
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event_loop.on_tick(&ui, {
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let ui = ui.clone();
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let mut add_label = add_label.clone();
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let mut sub_label = sub_label.clone();
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let mut text_label = text_label.clone();
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let mut bigtext_label = bigtext_label.clone();
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move || {
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let state = state.borrow();
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// Update all the labels
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add_label.set_text(&ui, &format!("Added: {}", state.slider_val + state.spinner_val));
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sub_label.set_text(&ui, &format!("Subtracted: {}", state.slider_val - state.spinner_val));
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text_label.set_text(&ui, &format!("Text: {}", state.entry_val));
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bigtext_label.set_text(&ui, &format!("Multiline Text: {}", state.multi_val));
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}
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});
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event_loop.run(&ui);
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}
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