dummy example

This commit is contained in:
Max Bradbury 2020-10-01 21:57:06 +01:00
parent 183f1064ec
commit 40268c891b
2 changed files with 239 additions and 128 deletions

View File

@ -12,3 +12,4 @@ dirs = "^3.0.1"
gio = "^0" gio = "^0"
gtk = "^0" gtk = "^0"
rodio = "^0.11.0" rodio = "^0.11.0"
iui = "0.3"

View File

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