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|
mod x11;
mod keymap;
mod layout;
mod ui;
use eframe::egui;
struct XkbPreviewApp {
key_data: Option<keymap::KeyData>,
x11_conn: Option<x11::X11Connection>,
selected_level: usize,
active_level: usize,
active_group: usize,
error: Option<String>,
}
impl Default for XkbPreviewApp {
fn default() -> Self {
Self {
key_data: None,
x11_conn: None,
selected_level: 0,
active_level: 0,
active_group: 0,
error: None,
}
}
}
impl eframe::App for XkbPreviewApp {
fn ui(&mut self, ui: &mut egui::Ui, _frame: &mut eframe::Frame) {
if self.key_data.is_none() && self.error.is_none() {
match load_keyboard() {
Ok(data) => self.key_data = Some(data),
Err(e) => self.error = Some(e),
}
}
if self.x11_conn.is_none() {
self.x11_conn = x11::X11Connection::open();
}
if let Some(ref conn) = self.x11_conn {
let mask = conn.modifier_mask();
self.active_level = keymap::level_from_x11_modmask(mask);
self.active_group = conn.active_group();
}
ui::render(
ui,
&self.key_data,
&mut self.selected_level,
self.active_level,
self.active_group,
&self.error,
);
}
}
fn load_keyboard() -> Result<keymap::KeyData, String> {
let names = x11::get_xkb_rule_names().unwrap_or_default();
keymap::compile_keymap(&names)
}
fn main() -> eframe::Result {
let options = eframe::NativeOptions {
viewport: egui::ViewportBuilder::default()
.with_inner_size([980.0, 560.0]),
..Default::default()
};
eframe::run_native(
"xkbpreview",
options,
Box::new(|cc| {
setup_fonts(&cc.egui_ctx);
Ok(Box::new(XkbPreviewApp::default()))
}),
)
}
fn setup_fonts(ctx: &egui::Context) {
let mut fonts = egui::FontDefinitions::default();
let font_candidates = [
"/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
"/usr/share/fonts/dejavu/DejaVuSans.ttf",
"/usr/share/fonts/truetype/dejavu/DejaVuSans-Regular.ttf",
"/usr/share/fonts/dejavu/DejaVuSans-Regular.ttf",
"/usr/share/fonts/TTF/DejaVuSans.ttf",
"/usr/share/fonts/truetype/noto/NotoSans-Regular.ttf",
"/usr/share/fonts/noto/NotoSans-Regular.ttf",
"/usr/share/fonts/opentype/noto/NotoSans-Regular.ttf",
];
let mut loaded = false;
for path in &font_candidates {
if let Ok(data) = std::fs::read(path) {
fonts
.font_data
.insert("fallback_font".into(), egui::FontData::from_owned(data).into());
fonts
.families
.entry(egui::FontFamily::Proportional)
.or_default()
.push("fallback_font".into());
loaded = true;
break;
}
}
if !loaded {
if let Ok(home) = std::env::var("HOME") {
let user_candidates = [
format!("{}/.fonts/DejaVuSans.ttf", home),
format!("{}/.local/share/fonts/DejaVuSans.ttf", home),
format!("{}/.fonts/NotoSans-Regular.ttf", home),
format!("{}/.local/share/fonts/NotoSans-Regular.ttf", home),
];
for path in &user_candidates {
if let Ok(data) = std::fs::read(path) {
fonts
.font_data
.insert("fallback_font".into(), egui::FontData::from_owned(data).into());
fonts
.families
.entry(egui::FontFamily::Proportional)
.or_default()
.push("fallback_font".into());
break;
}
}
}
}
ctx.set_fonts(fonts);
}
|
