init

src-tauri/src/lib.rs

@@ -0,0 +1,80 @@
+use std::sync::Mutex;
+use wellen::simple::Waveform;
+
+mod wellen_helpers;
+
+#[derive(Default)]
+struct Store {
+    waveform: Mutex<Option<Waveform>>,
+}
+
+#[tauri::command(rename_all = "snake_case")]
+fn show_window(window: tauri::Window) {
+    window.show().unwrap();
+}
+
+#[tauri::command(rename_all = "snake_case")]
+fn load_waveform(store: tauri::State<Store>) {
+    let waveform =
+        wellen_helpers::read_from_bytes(include_bytes!("../../test_files/simple.vcd").to_vec());
+    let Ok(waveform) = waveform else {
+        panic!("VCD file reading failed")
+    };
+    *store.waveform.lock().unwrap() = Some(waveform);
+}
+
+#[tauri::command(rename_all = "snake_case")]
+fn get_hierarchy(store: tauri::State<Store>) -> serde_json::Value {
+    let waveform = store.waveform.lock().unwrap();
+    let hierarchy = waveform.as_ref().unwrap().hierarchy();
+    serde_json::to_value(hierarchy).unwrap()
+}
+
+#[tauri::command(rename_all = "snake_case")]
+fn get_time_table(store: tauri::State<Store>) -> serde_json::Value {
+    let waveform = store.waveform.lock().unwrap();
+    let time_table = waveform.as_ref().unwrap().time_table();
+    serde_json::to_value(time_table).unwrap()
+}
+
+#[tauri::command(rename_all = "snake_case")]
+fn load_and_get_signal(signal_ref_index: usize, store: tauri::State<Store>) -> serde_json::Value {
+    let signal_ref = wellen::SignalRef::from_index(signal_ref_index).unwrap();
+    let mut waveform_lock = store.waveform.lock().unwrap();
+    let waveform = waveform_lock.as_mut().unwrap();
+    // @TODO maybe run it in a thread to not block the main one and then
+    // make the command async or return the result through a Tauri channel
+    waveform.load_signals_multi_threaded(&[signal_ref]);
+    let signal = waveform.get_signal(signal_ref).unwrap();
+    serde_json::to_value(signal).unwrap()
+}
+
+#[tauri::command(rename_all = "snake_case")]
+fn unload_signal(signal_ref_index: usize, store: tauri::State<Store>) {
+    let signal_ref = wellen::SignalRef::from_index(signal_ref_index).unwrap();
+    let mut waveform_lock = store.waveform.lock().unwrap();
+    let waveform = waveform_lock.as_mut().unwrap();
+    waveform.unload_signals(&[signal_ref]);
+}
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+    // https://github.com/tauri-apps/tauri/issues/8462
+    #[cfg(target_os = "linux")]
+    std::env::set_var("WEBKIT_DISABLE_DMABUF_RENDERER", "1");
+
+    tauri::Builder::default()
+        .manage(Store::default())
+        .plugin(tauri_plugin_window_state::Builder::default().build())
+        // Npte: Add all handlers to `frontend/src/tauri_bridge.rs`
+        .invoke_handler(tauri::generate_handler![
+            show_window,
+            load_waveform,
+            get_hierarchy,
+            get_time_table,
+            load_and_get_signal,
+            unload_signal,
+        ])
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}

src-tauri/src/main.rs

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+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+    app_lib::run();
+}

src-tauri/src/wellen_helpers.rs

@@ -0,0 +1,15 @@
+use wellen::{simple::Waveform, *};
+
+pub fn read_from_bytes(bytes: Vec<u8>) -> Result<Waveform> {
+    read_from_bytes_with_options(bytes, &LoadOptions::default())
+}
+
+pub fn read_from_bytes_with_options(bytes: Vec<u8>, options: &LoadOptions) -> Result<Waveform> {
+    let header = viewers::read_header_from_bytes(bytes, options)?;
+    let body = viewers::read_body(header.body, &header.hierarchy, None)?;
+    Ok(Waveform::new(
+        header.hierarchy,
+        body.source,
+        body.time_table,
+    ))
+}