First cut of adding a default file name

The default file name is OS specific and tries to follow the customs on
each of the OSs. It can be configured through the preferences dialog.

On MacOS we get a strange warning which appears to be a well documented
Gtk bug on MacOS.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 10 insertions, 1 deletions

diff --git a/main.c b/main.c
index 2489473b9..a2c24ec99 100644
--- a/main.c
+++ b/main.c
@@ -211,6 +211,7 @@ void renumber_dives(int nr)
 int main(int argc, char **argv)
 {
 	int i;
+	gboolean no_filenames = TRUE;
 
 	output_units = SI_units;
 
@@ -225,6 +226,7 @@ int main(int argc, char **argv)
 			parse_argument(a);
 			continue;
 		}
+		no_filenames = FALSE;
 		GError *error = NULL;
 		parse_file(a, &error);
 
@@ -235,7 +237,14 @@ int main(int argc, char **argv)
 			error = NULL;
 		}
 	}
-
+	if (no_filenames) {
+		GError *error = NULL;
+		const char *filename = subsurface_default_filename();
+		parse_file(filename, &error);
+		/* don't report errors - this file may not exist, but make
+		   sure we remember this as the filename in use */
+		set_filename(filename);
+	}
 	report_dives(imported);
 
 	run_ui();