altosui: Stick file basename in graph window title

The title was empty before, this seems more useful than that.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/altoslib/AltosLib.java b/altoslib/AltosLib.java
index cb5d467b..192da0a9 100644
--- a/altoslib/AltosLib.java
+++ b/altoslib/AltosLib.java
@@ -405,4 +405,8 @@ public class AltosLib {
 			input = input.substring(0,dot);
 		return input.concat(extension);
 	}
+
+	public static File replace_extension(File input, String extension) {
+		return new File(replace_extension(input.getPath(), extension));
+	}
 }