Merge pull request #1314 from derezzedex/dev/system-information

feat: fetch system information

1 files changed, 165 insertions, 0 deletions

diff --git a/examples/system_information/src/main.rs b/examples/system_information/src/main.rs
new file mode 100644
index 00000000..560220b8
--- /dev/null
+++ b/examples/system_information/src/main.rs
@@ -0,0 +1,165 @@
+use iced::{
+    button, executor, system, Application, Button, Column, Command, Container,
+    Element, Length, Settings, Text,
+};
+
+use bytesize::ByteSize;
+
+pub fn main() -> iced::Result {
+    Example::run(Settings::default())
+}
+
+enum Example {
+    Loading,
+    Loaded {
+        information: system::Information,
+        refresh_button: button::State,
+    },
+}
+
+#[derive(Clone, Debug)]
+enum Message {
+    InformationReceived(system::Information),
+    Refresh,
+}
+
+impl Application for Example {
+    type Message = Message;
+    type Executor = executor::Default;
+    type Flags = ();
+
+    fn new(_flags: ()) -> (Self, Command<Message>) {
+        (
+            Self::Loading,
+            system::fetch_information(Message::InformationReceived),
+        )
+    }
+
+    fn title(&self) -> String {
+        String::from("System Information - Iced")
+    }
+
+    fn update(&mut self, message: Message) -> Command<Message> {
+        match message {
+            Message::Refresh => {
+                *self = Self::Loading;
+
+                return system::fetch_information(Message::InformationReceived);
+            }
+            Message::InformationReceived(information) => {
+                let refresh_button = button::State::new();
+                *self = Self::Loaded {
+                    information,
+                    refresh_button,
+                };
+            }
+        }
+
+        Command::none()
+    }
+
+    fn view(&mut self) -> Element<Message> {
+        let content: Element<Message> = match self {
+            Example::Loading => Text::new("Loading...").size(40).into(),
+            Example::Loaded {
+                information,
+                refresh_button,
+            } => {
+                let system_name = Text::new(format!(
+                    "System name: {}",
+                    information
+                        .system_name
+                        .as_ref()
+                        .unwrap_or(&"unknown".to_string())
+                ));
+
+                let system_kernel = Text::new(format!(
+                    "System kernel: {}",
+                    information
+                        .system_kernel
+                        .as_ref()
+                        .unwrap_or(&"unknown".to_string())
+                ));
+
+                let system_version = Text::new(format!(
+                    "System version: {}",
+                    information
+                        .system_version
+                        .as_ref()
+                        .unwrap_or(&"unknown".to_string())
+                ));
+
+                let cpu_brand = Text::new(format!(
+                    "Processor brand: {}",
+                    information.cpu_brand
+                ));
+
+                let cpu_cores = Text::new(format!(
+                    "Processor cores: {}",
+                    information
+                        .cpu_cores
+                        .map_or("unknown".to_string(), |cores| cores
+                            .to_string())
+                ));
+
+                let memory_readable =
+                    ByteSize::kb(information.memory_total).to_string();
+
+                let memory_total = Text::new(format!(
+                    "Memory (total): {}",
+                    format!(
+                        "{} kb ({})",
+                        information.memory_total, memory_readable
+                    )
+                ));
+
+                let memory_text = if let Some(memory_used) =
+                    information.memory_used
+                {
+                    let memory_readable = ByteSize::kb(memory_used).to_string();
+
+                    format!("{} kb ({})", memory_used, memory_readable)
+                } else {
+                    String::from("None")
+                };
+
+                let memory_used =
+                    Text::new(format!("Memory (used): {}", memory_text));
+
+                let graphics_adapter = Text::new(format!(
+                    "Graphics adapter: {}",
+                    information.graphics_adapter
+                ));
+
+                let graphics_backend = Text::new(format!(
+                    "Graphics backend: {}",
+                    information.graphics_backend
+                ));
+
+                Column::with_children(vec![
+                    system_name.size(30).into(),
+                    system_kernel.size(30).into(),
+                    system_version.size(30).into(),
+                    cpu_brand.size(30).into(),
+                    cpu_cores.size(30).into(),
+                    memory_total.size(30).into(),
+                    memory_used.size(30).into(),
+                    graphics_adapter.size(30).into(),
+                    graphics_backend.size(30).into(),
+                    Button::new(refresh_button, Text::new("Refresh"))
+                        .on_press(Message::Refresh)
+                        .into(),
+                ])
+                .spacing(10)
+                .into()
+            }
+        };
+
+        Container::new(content)
+            .center_x()
+            .center_y()
+            .width(Length::Fill)
+            .height(Length::Fill)
+            .into()
+    }
+}