use eframe::egui;
use openipc_core::channel::DEFAULT_LINK_ID;
use crate::{
app::NebulusApp,
model::ReceiverState,
settings::{DEFAULT_CHANNEL, DEFAULT_CHANNEL_OFFSET, MAX_LINK_ID},
};
pub(crate) fn show(app: &mut NebulusApp, ui: &mut egui::Ui) {
if app.receiver_info.is_some() {
connected_receiver(app, ui);
}
let editable = matches!(app.state, ReceiverState::Idle | ReceiverState::Failed);
ui.add_enabled_ui(editable, |ui| {
section(ui, "Receiver", |ui| {
ui.horizontal(|ui| {
egui::ComboBox::from_id_salt("usb-device")
.selected_text(selected_device_label(app))
.width(230.0)
.show_ui(ui, |ui| {
for device in &app.devices {
ui.selectable_value(
&mut app.settings.device_id,
Some(device.id.clone()),
format!("{} ({})", device.label, device.id),
);
}
});
if ui.button("Refresh").clicked() {
app.refresh_devices();
}
});
if app.devices.is_empty() {
ui.label(
egui::RichText::new("No supported USB adapter found")
.small()
.color(ui.visuals().weak_text_color()),
);
}
});
section(ui, "Radio", |ui| {
egui::Grid::new("radio-settings")
.num_columns(3)
.spacing([18.0, 8.0])
.show(ui, |ui| {
ui.label("Channel");
ui.add(
egui::Slider::new(&mut app.settings.channel, 1..=177)
.show_value(true)
.text(""),
);
if ui.small_button("Default").clicked() {
app.settings.channel = DEFAULT_CHANNEL;
}
ui.end_row();
ui.label("Width");
egui::ComboBox::from_id_salt("channel-width")
.selected_text(format!("{} MHz", app.settings.channel_width_mhz))
.show_ui(ui, |ui| {
for width in [5, 10, 20, 40, 80] {
ui.selectable_value(
&mut app.settings.channel_width_mhz,
width,
format!("{width} MHz"),
);
}
});
ui.label("");
ui.end_row();
ui.label("Offset");
ui.add(
egui::Slider::new(&mut app.settings.channel_offset, 0..=4)
.show_value(true)
.text(""),
);
if ui.small_button("Default").clicked() {
app.settings.channel_offset = DEFAULT_CHANNEL_OFFSET;
}
ui.end_row();
ui.label("Link ID");
ui.add(
egui::Slider::new(&mut app.settings.link_id, 0..=MAX_LINK_ID)
.show_value(true)
.custom_formatter(|value, _| format!("0x{:06X}", value as u32))
.custom_parser(parse_link_id),
);
if ui.small_button("Default").clicked() {
app.settings.link_id = DEFAULT_LINK_ID;
}
ui.end_row();
});
});
section(ui, "Link", |ui| {
ui.checkbox(&mut app.settings.rtp_reorder, "RTP reorder buffer");
ui.checkbox(&mut app.settings.adaptive_link, "Adaptive link feedback");
if app.settings.adaptive_link {
ui.horizontal(|ui| {
ui.label("Uplink TX power");
ui.add(egui::Slider::new(&mut app.settings.tx_power, 0..=127));
});
}
});
section(ui, "Receiver key", |ui| {
ui.horizontal(|ui| {
if ui.button("Open file").clicked() {
app.open_key_file(ui.ctx());
}
if ui.button("Use default").clicked() {
app.reset_key();
}
});
ui.horizontal(|ui| {
ui.label(&app.key_name);
ui.label(
egui::RichText::new(format!("{} bytes", app.settings.key_bytes.len()))
.small()
.color(ui.visuals().weak_text_color()),
);
});
if let Some(error) = &app.key_error {
ui.colored_label(ui.visuals().error_fg_color, error);
} else {
ui.label(
egui::RichText::new("You can also drop a gs.key file anywhere on the window")
.small()
.color(ui.visuals().weak_text_color()),
);
}
});
section(ui, "Video", |ui| {
ui.horizontal(|ui| {
ui.label("Codec preference");
egui::ComboBox::from_id_salt("codec-preference")
.selected_text(app.settings.codec_preference.label())
.show_ui(ui, |ui| {
for preference in [
crate::settings::CodecPreference::Auto,
crate::settings::CodecPreference::H264,
crate::settings::CodecPreference::H265,
] {
ui.selectable_value(
&mut app.settings.codec_preference,
preference,
preference.label(),
);
}
});
});
ui.horizontal(|ui| {
ui.label("Decoder queue");
ui.label("3 frames, latest-frame output");
});
});
section(ui, "Advanced", |ui| {
egui::Grid::new("advanced-settings")
.num_columns(2)
.show(ui, |ui| {
ui.label("Minimum epoch");
ui.add(egui::DragValue::new(&mut app.settings.minimum_epoch));
ui.end_row();
ui.label("USB transfer size");
ui.add(
egui::DragValue::new(&mut app.settings.transfer_size)
.range(4_096..=1_048_576),
);
ui.end_row();
});
});
});
}
fn connected_receiver(app: &NebulusApp, ui: &mut egui::Ui) {
let receiver = app
.receiver_info
.as_ref()
.expect("receiver info checked before rendering");
section(ui, "Connected receiver", |ui| {
egui::Grid::new("connected-receiver-info")
.num_columns(2)
.striped(true)
.spacing([18.0, 7.0])
.show(ui, |ui| {
receiver_row(ui, "Adapter", &receiver.label);
receiver_row(
ui,
"USB ID",
&match (receiver.vendor_id, receiver.product_id) {
(Some(vendor), Some(product)) => format!("{vendor:04x}:{product:04x}"),
_ => "Not applicable".to_owned(),
},
);
receiver_row(ui, "Chipset", &receiver.chip);
receiver_row(ui, "RF paths", &receiver.rf_paths);
receiver_row(
ui,
"Cut revision",
&receiver
.cut_version
.map_or_else(|| "Not reported".to_owned(), |cut| cut.to_string()),
);
receiver_row(ui, "USB link", &receiver.usb_speed);
receiver_row(
ui,
"Bulk endpoints",
&match (receiver.bulk_in_endpoint, receiver.bulk_out_endpoint) {
(Some(input), Some(output)) => {
format!("IN 0x{input:02x} / OUT 0x{output:02x}")
}
_ => "Not applicable".to_owned(),
},
);
receiver_row(ui, "Initialization", &receiver.initialization);
receiver_row(
ui,
"Firmware downloaded",
match receiver.firmware_downloaded {
Some(true) => "Yes",
Some(false) => "No",
None => "Not applicable",
},
);
receiver_row(
ui,
"RF configuration",
&format!(
"channel {} / {} MHz / offset {}",
app.settings.channel,
app.settings.channel_width_mhz,
app.settings.channel_offset
),
);
receiver_row(
ui,
"Video channel",
&format!(
"Link 0x{:06x} / port 0x{:02x}",
app.settings.link_id,
openipc_core::RadioPort::Video.as_u8()
),
);
});
});
}
fn receiver_row(ui: &mut egui::Ui, label: &str, value: &str) {
ui.label(egui::RichText::new(label).color(ui.visuals().weak_text_color()));
ui.monospace(value);
ui.end_row();
}
fn parse_link_id(value: &str) -> Option<f64> {
let value = value.trim();
let parsed = value
.strip_prefix("0x")
.or_else(|| value.strip_prefix("0X"))
.map_or_else(
|| value.parse::<u32>().ok(),
|hex| u32::from_str_radix(hex, 16).ok(),
)?;
(parsed <= MAX_LINK_ID).then_some(f64::from(parsed))
}
fn selected_device_label(app: &NebulusApp) -> String {
app.settings
.device_id
.as_deref()
.and_then(|id| app.devices.iter().find(|device| device.id == id))
.map(|device| format!("{} ({})", device.label, device.id))
.or_else(|| app.settings.device_id.clone())
.unwrap_or_else(|| "Select an adapter".to_owned())
}
fn section(ui: &mut egui::Ui, title: &str, add: impl FnOnce(&mut egui::Ui)) {
egui::CollapsingHeader::new(title)
.default_open(true)
.show(ui, |ui| {
ui.add_space(4.0);
add(ui);
ui.add_space(8.0);
});
}
#[cfg(test)]
mod tests {
use super::parse_link_id;
#[test]
fn link_id_parser_accepts_decimal_and_hex() {
assert_eq!(parse_link_id("7669206"), Some(7_669_206.0));
assert_eq!(parse_link_id("0x7505D6"), Some(7_669_206.0));
}
#[test]
fn link_id_parser_rejects_values_above_24_bits() {
assert_eq!(parse_link_id("0x1000000"), None);
}
}