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|
use iced::widget::{button, center, column, text};
use iced::{system, Element, Task};
pub fn main() -> iced::Result {
iced::application(
"System Information - Iced",
Example::update,
Example::view,
)
.run_with(Example::new)
}
#[derive(Default)]
#[allow(clippy::large_enum_variant)]
enum Example {
#[default]
Loading,
Loaded {
information: system::Information,
},
}
#[derive(Clone, Debug)]
#[allow(clippy::large_enum_variant)]
enum Message {
InformationReceived(system::Information),
Refresh,
}
impl Example {
fn new() -> (Self, Task<Message>) {
(
Self::Loading,
system::fetch_information().map(Message::InformationReceived),
)
}
fn update(&mut self, message: Message) -> Task<Message> {
match message {
Message::Refresh => {
let (state, refresh) = Self::new();
*self = state;
refresh
}
Message::InformationReceived(information) => {
*self = Self::Loaded { information };
Task::none()
}
}
}
fn view(&self) -> Element<Message> {
use bytesize::ByteSize;
let content: Element<_> = match self {
Example::Loading => text("Loading...").size(40).into(),
Example::Loaded { information } => {
let system_name = text!(
"System name: {}",
information
.system_name
.as_ref()
.unwrap_or(&"unknown".to_string())
);
let system_kernel = text!(
"System kernel: {}",
information
.system_kernel
.as_ref()
.unwrap_or(&"unknown".to_string())
);
let system_version = text!(
"System version: {}",
information
.system_version
.as_ref()
.unwrap_or(&"unknown".to_string())
);
let system_short_version = text!(
"System short version: {}",
information
.system_short_version
.as_ref()
.unwrap_or(&"unknown".to_string())
);
let cpu_brand =
text!("Processor brand: {}", information.cpu_brand);
let cpu_cores = text!(
"Processor cores: {}",
information
.cpu_cores
.map_or("unknown".to_string(), |cores| cores
.to_string())
);
let memory_readable =
ByteSize::b(information.memory_total).to_string_as(true);
let memory_total = text!(
"Memory (total): {} bytes ({memory_readable})",
information.memory_total,
);
let memory_text =
if let Some(memory_used) = information.memory_used {
let memory_readable =
ByteSize::b(memory_used).to_string_as(true);
format!("{memory_used} bytes ({memory_readable})")
} else {
String::from("None")
};
let memory_used = text!("Memory (used): {memory_text}");
let graphics_adapter =
text!("Graphics adapter: {}", information.graphics_adapter);
let graphics_backend =
text!("Graphics backend: {}", information.graphics_backend);
column![
system_name.size(30),
system_kernel.size(30),
system_version.size(30),
system_short_version.size(30),
cpu_brand.size(30),
cpu_cores.size(30),
memory_total.size(30),
memory_used.size(30),
graphics_adapter.size(30),
graphics_backend.size(30),
button("Refresh").on_press(Message::Refresh)
]
.spacing(10)
.into()
}
};
center(content).into()
}
}
|
