feat: prompt to save settings when going back from settings menu

1 files changed, 22 insertions, 10 deletions

diff --git a/app/ui/hub.py b/app/ui/hub.py
index cad9a9d..de8b861 100644
--- a/app/ui/hub.py
+++ b/app/ui/hub.py
@@ -405,17 +405,29 @@ class _Hub:
     # -- settings -------------------------------------------------------
 
     def screen_settings(self):
-        result = tui.form(self.stdscr, "Settings", _settings_fields(),
-                          back_value=tui.Wizard.BACK)
-        if result is tui.Wizard.BACK or result is None:
-            return tui.Wizard.BACK
-        try:
-            _apply_settings(result)
-        except ValueError as exc:
-            tui.flash(self.stdscr, str(exc), "err")
+        fields = _settings_fields()
+        while True:
+            result = tui.form(self.stdscr, "Settings", fields,
+                              back_value=tui.Wizard.BACK)
+            if not (result is tui.Wizard.BACK or result is None):
+                # Save pressed: apply as before, no prompt.
+                try:
+                    _apply_settings(result)
+                except ValueError as exc:
+                    tui.flash(self.stdscr, str(exc), "err")
+                return tui.Wizard.BACK
+            # q/Esc (or the Cancel button) left the form without saving:
+            # ask whether the edits should be kept before discarding them.
+            answer = tui.confirm_yn_cancel(self.stdscr, "Save settings?")
+            if answer == "cancel":
+                continue  # back into the form, edits intact
+            if answer == "yes":
+                values = {field["key"]: field["value"] for field in fields}
+                try:
+                    _apply_settings(values)
+                except ValueError as exc:
+                    tui.flash(self.stdscr, str(exc), "err")
             return tui.Wizard.BACK
-        tui.flash(self.stdscr, "Settings saved.", "ok")
-        return tui.Wizard.BACK
 
     # -- servers --------------------------------------------------------