95 lines
2.3 KiB
Rust
95 lines
2.3 KiB
Rust
use mpd::Client;
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use tui::{
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widgets::{ListState},
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};
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use paris::error;
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use std::process::exit;
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pub struct StatefulList<T> {
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pub state: ListState,
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pub items: Vec<T>,
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}
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impl<T> StatefulList<T> {
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pub fn with_items(items: Vec<T>) -> StatefulList<T> {
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StatefulList {
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state: ListState::default(),
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items,
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}
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}
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pub fn next(&mut self) {
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let i = match self.state.selected() {
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Some(i) => {
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if i >= self.items.len() - 1 {
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0
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} else {
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i + 1
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}
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}
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None => 0,
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};
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self.state.select(Some(i));
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}
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pub fn previous(&mut self) {
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let i = match self.state.selected() {
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Some(i) => {
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if i == 0 {
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self.items.len() - 1
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} else {
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i - 1
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}
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}
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None => 0,
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};
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self.state.select(Some(i));
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}
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pub fn unselect(&mut self) {
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self.state.select(None);
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}
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}
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/// This struct holds the current state of the app. In particular, it has the `items` field which is a wrapper
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/// around `ListState`. Keeping track of the items state let us render the associated widget with its state
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/// and have access to features such as natural scrolling.
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///
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/// Check the event handling at the bottom to see how to change the state on incoming events.
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/// Check the drawing logic for items on how to specify the highlighting style for selected items.
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pub struct App<'a> {
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pub items: StatefulList<(&'a str, usize)>,
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pub mpd_client: Client,
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pub input: String,
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pub input_mode: InputMode,
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pub messages: Vec<String>,
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}
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impl<'a> App<'a> {
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pub fn new() -> App<'a> {
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let client = match Client::connect("127.0.0.1:6600") {
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Ok(conn) => {
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conn
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},
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Err(e) => {
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error!("Could not connect to MPD daemon: {}", e);
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exit(1);
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}
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};
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App {
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items: StatefulList::with_items(vec![("Item0", 1), ("Item1", 2), ("Item2", 3)]),
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mpd_client: client,
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input: String::new(),
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input_mode: InputMode::Normal,
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messages: Vec::new(),
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}
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}
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}
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pub enum InputMode {
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Normal,
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Editing,
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}
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