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turn off autorefresh and redraw only on demand

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this should significantly reduce CPU usage but is a little bit more complicated.
while we're at it, remove the different screen redraw events and use a combined
event for all screens.

TODO:
the spotify player still needs to update the statusbar at least every second.
This commit is contained in:
Henrik Friedrichsen
2019-03-09 01:55:55 +01:00
parent 2bc87d8af5
commit 392e3efb87
6 changed files with 50 additions and 58 deletions
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31
src/ui/queue.rs
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@@ -8,7 +8,7 @@ use cursive::Cursive;
use std::sync::Arc;
use std::sync::Mutex;
use queue::{Queue, QueueEvent};
use queue::Queue;
use track::Track;
use ui::splitbutton::SplitButton;
use ui::trackbutton::TrackButton;
@@ -46,16 +46,6 @@ impl QueueView {
}
}
pub fn handle_ev(&self, cursive: &mut Cursive, ev: QueueEvent) {
let view_ref: Option<ViewRef<LinearLayout>> = cursive.find_id("queue_list");
if let Some(mut queuelist) = view_ref {
match ev {
QueueEvent::Show => self.populate(&mut queuelist),
_ => (),
}
}
}
fn create_button(&self, track: &Track) -> SplitButton {
let mut button = TrackButton::new(&track);
// 'd' deletes the selected track
@@ -82,15 +72,18 @@ impl QueueView {
button
}
pub fn populate(&self, queuelist: &mut LinearLayout) {
while queuelist.len() > 0 {
queuelist.remove_child(0);
}
pub fn repopulate(&self, cursive: &mut Cursive) {
let view_ref: Option<ViewRef<LinearLayout>> = cursive.find_id("queue_list");
if let Some(mut queuelist) = view_ref {
while queuelist.len() > 0 {
queuelist.remove_child(0);
}
let queue = self.queue.lock().expect("could not lock queue");
for track in queue.iter() {
let button = self.create_button(track);
queuelist.add_child(button);
let queue = self.queue.lock().expect("could not lock queue");
for track in queue.iter() {
let button = self.create_button(track);
queuelist.add_child(button);
}
}
}
}