logger: create the log in the home directory

Prevent an issue on windows where the application could
not start because the log was created in the app folder.

Cargo.lock

@@ -730,9 +730,9 @@ checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
 
 [[package]]
 name = "libc"
-version = "0.2.103"
+version = "0.2.137"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8f7255a17a627354f321ef0055d63b898c6fb27eff628af4d1b66b7331edf6"
+checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"
 
 [[package]]
 name = "linked-hash-map"

src/app.rs

@@ -983,6 +983,7 @@ impl GPSApp {
 
     fn load_graph(&self, filename: &str) -> anyhow::Result<()> {
         let graph_view = self.graphview.borrow();
+        GPS_INFO!("Open graph file {}", filename);
         let mut file = File::open(filename)?;
         let mut buffer = Vec::new();
         file.read_to_end(&mut buffer).expect("buffer overflow");

src/logger.rs

@@ -125,7 +125,7 @@ pub fn init_logger(sender: Sender<String>, log_file: &str) {
         WriteLogger::new(
             translate_to_simple_logger(LogLevel::Trace),
             Config::default(),
-            File::create(log_file).unwrap(),
+            File::create(log_file).unwrap_or_else(|_| panic!("Unable to create log {}", log_file)),
         ),
         WriteLogger::new(
             translate_to_simple_logger(LogLevel::Debug),

src/settings.rs

@@ -64,7 +64,8 @@ impl Settings {
     }
 
     pub fn default_log_file_path() -> PathBuf {
-        let mut path = PathBuf::new();
+        let mut path = glib::user_config_dir();
+        path.push(config::APP_ID);
         path.push("gstpipelinestudio.log");
         path
     }