gui representation of errors

Author: pythonbrad

src/lib.rs

@@ -149,6 +149,18 @@ impl Wish {
         }
     }
 
+    pub fn raise_error(&self, message: &str, detail: &str) {
+        self.predicates_window.withdraw();
+        rstk::message_box()
+            .parent(&self.window)
+            .icon(IconImage::Error)
+            .title("Unexpected Error")
+            .message(message)
+            .detail(detail)
+            .show();
+        rstk::end_wish();
+    }
+
     fn build_predicates_window(&mut self) {
         self.predicates_window.resizable(false, false);
         self.predicates_window.background("#dedddd");
@@ -420,10 +432,6 @@ impl Frontend for Wish {
     }
 
     fn display(&self) {
-        if self.input == "_exit_" {
-            rstk::end_wish();
-        }
-
         let page_size = std::cmp::min(self.page_size, self.predicates.len());
         let texts: Vec<String> = self
             .predicates

src/main.rs

@@ -21,11 +21,6 @@ struct Args {
 fn main() {
     let args = Args::parse();
 
-    let clafrica_conf = ClafricaConfig::from_file(&args.config_file).unwrap_or_else(|err| {
-        eprintln!("Problem parsing config file: {err}");
-        process::exit(1);
-    });
-
     let wish_conf = WishConfig::from_file(&args.config_file).unwrap_or_else(|err| {
         eprintln!("Problem parsing config file: {err}");
         process::exit(1);
@@ -37,9 +32,16 @@ fn main() {
     // We start the backend
     {
         let frontend = frontend.clone();
+
         thread::spawn(move || {
-            if let Err(e) = run(clafrica_conf, frontend) {
-                eprintln!("Application error: {e}");
+            let clafrica_conf =
+                ClafricaConfig::from_file(&args.config_file).unwrap_or_else(|err| {
+                    frontend.raise_error("Problem parsing config file", &err.to_string());
+                    process::exit(1);
+                });
+
+            if let Err(e) = run(clafrica_conf, frontend.clone()) {
+                frontend.raise_error("Application error", &e.to_string());
                 process::exit(1);
             }
         });