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feat: process list

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this is unnacceptably unperformant;
I think I've reached the point at which sysinfo doesn't do what I want,
which is keep track of a table of processes efficiently enough.
This commit is contained in:
electria 2026-08-18 14:05:36 -07:00
commit b20158820b
Signed by: electria
SSH key fingerprint: SHA256:8LlB3ucPbBHqozqkhsNbaV5oG3SlzzqUj8FZDL6IPQs
4 changed files with 105 additions and 22 deletions
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61
src/app/mod.rs
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@ -8,7 +8,7 @@ use iced::{
use crate::{
app::{graph::Graph, utils::maybe_widget},
sysinfo_snapshot::SysinfoSnapshot,
sysinfo_snapshot::{ProcessSnapshot, SysinfoSnapshot},
utils::Toggle,
};
@ -22,6 +22,7 @@ enum Message {
ToggleMain,
ToggleCpu,
ToggleMemory,
ToggleProcesses,
Info(SysinfoSnapshot),
}
@ -39,6 +40,9 @@ struct State {
is_memory_section_shown: bool,
memory_graph: Graph,
swap_graph: Graph,
is_processes_section_shown: bool,
processes: Vec<ProcessSnapshot>,
}
impl State {
@ -65,6 +69,10 @@ impl State {
self.is_memory_section_shown.toggle();
self.check_borders();
}
Message::ToggleProcesses => {
self.is_processes_section_shown.toggle();
self.check_borders();
}
Message::Info(snapshot) => {
self.uptime = snapshot.uptime();
@ -89,6 +97,10 @@ impl State {
.zip(snapshot.cpus.into_iter())
.for_each(|(graph, value)| graph.update(value));
}
self.processes = snapshot.processes;
self.processes
.sort_by(|a, b| b.cpu_usage.total_cmp(&a.cpu_usage));
}
}
@ -115,19 +127,39 @@ impl State {
}),
])
.into(),
maybe_widget(self.is_memory_section_shown, || {
widget::row([
widget::canvas(&self.memory_graph)
.width(Length::Fill)
.height(Length::Fill)
.into(),
widget::canvas(&self.swap_graph)
.width(Length::Fill)
.height(Length::Fill)
.into(),
])
.into()
}),
widget::row([
maybe_widget(self.is_memory_section_shown, || {
widget::row([
widget::canvas(&self.memory_graph)
.width(Length::Fill)
.height(Length::Fill)
.into(),
widget::canvas(&self.swap_graph)
.width(Length::Fill)
.height(Length::Fill)
.into(),
])
.into()
}),
maybe_widget(self.is_processes_section_shown, || {
widget::scrollable(
widget::grid(self.processes.iter().flat_map(|process| {
[
widget::text(&process.name).into(),
widget::text(process.cpu_usage).into(),
widget::text(format!("{:?}", process.cpu_time())).into(),
widget::text(process.pid).into(),
]
}))
.height(Length::Shrink)
.columns(4),
)
.width(Length::Fill)
.height(Length::Fill)
.into()
}),
])
.into(),
])
.into()
}
@ -139,6 +171,7 @@ impl State {
Key::Character("M" | "1") => Some(Message::ToggleMain),
Key::Character("c" | "2") => Some(Message::ToggleCpu),
Key::Character("m" | "3") => Some(Message::ToggleMemory),
Key::Character("p" | "4") => Some(Message::ToggleProcesses),
_ => None,
}
}