feat: settings for ports in TUI

1 files changed, 41 insertions, 31 deletions

diff --git a/app/ui/tui.py b/app/ui/tui.py
index c3d79f6..12c7d4f 100644
--- a/app/ui/tui.py
+++ b/app/ui/tui.py
@@ -758,17 +758,18 @@ def form(scr, title: str, fields: Sequence[dict],
     Each field renders as a left-justified ``Label:  value`` row. Up/Down
     (or k/j) move the cursor; Enter on a ``choice`` row opens a single
     choice menu, Enter on a ``text`` row opens a line editor (reusing its
-    VALIDATE for that one field). Tab or the arrow keys move focus to the
-    Save/Cancel buttons; Enter on Save validates every text field (the
-    first failure flashes in red and re-focuses that row) and returns
-    ``{key: value}``, Enter on Cancel returns BACK_VALUE. Esc (or 'q')
-    returns BACK_VALUE / aborts as in menu(). Values are edited in place
-    in the FIELDS dicts, so Cancel simply discards them.
+    VALIDATE for that one field). Tab, Left/Right or Up/Down move focus to
+    the Save/Cancel buttons — Up from the first field and Down from the
+    last field step straight onto them; Enter on Save validates every text
+    field (the first failure flashes in red and re-focuses that row) and
+    returns ``{key: value}``, Enter on Cancel returns BACK_VALUE. Esc (or
+    'q') returns BACK_VALUE / aborts as in menu(). Values are edited in
+    place in the FIELDS dicts, so Cancel simply discards them.
     """
     if not fields:
         raise ValueError("form() needs at least one field")
     frame = Frame(scr, title,
-                  "Up/Down = move  Enter = edit  Tab = Save/Cancel  "
+                  "Up/Down = move  Enter = edit  Tab/arrows = Save/Cancel  "
                   "Esc = cancel")
     cursor = 0
     on_buttons = False
@@ -816,31 +817,40 @@ def form(scr, title: str, fields: Sequence[dict],
                 else:  # Cancel
                     return back_value
         else:
-            moved = frame.motion(key, cursor, len(fields), wrap=True)
-            if moved is not None:
-                cursor = moved
-            elif key in (9, curses.KEY_BTAB, curses.KEY_LEFT,
-                         curses.KEY_RIGHT, ord("h"), ord("l")):
+            if key in (curses.KEY_DOWN, ord("j")) \
+                    and cursor == len(fields) - 1:
                 on_buttons = True
-                btn_index = 0
-            elif key in (10, 13):
-                field = fields[cursor]
-                if field.get("kind") == "choice":
-                    choices = list(field.get("choices") or [])
-                    default = choices.index(field["value"]) \
-                        if field["value"] in choices else 0
-                    chosen = menu(scr, field["label"],
-                                  [(c, c) for c in choices],
-                                  default_index=default,
-                                  back_value=edit_cancel)
-                    if chosen is not edit_cancel:
-                        field["value"] = chosen
-                else:
-                    edited = line_edit(scr, field["label"], field["value"],
-                                       validate=field.get("validate"),
-                                       back_value=edit_cancel)
-                    if edited is not edit_cancel:
-                        field["value"] = edited
+                btn_index = 0  # Save
+            elif key in (curses.KEY_UP, ord("k")) and cursor == 0:
+                on_buttons = True
+                btn_index = 1  # Cancel
+            else:
+                moved = frame.motion(key, cursor, len(fields), wrap=True)
+                if moved is not None:
+                    cursor = moved
+                elif key in (9, curses.KEY_BTAB, curses.KEY_LEFT,
+                             curses.KEY_RIGHT, ord("h"), ord("l")):
+                    on_buttons = True
+                    btn_index = 0
+                elif key in (10, 13):
+                    field = fields[cursor]
+                    if field.get("kind") == "choice":
+                        choices = list(field.get("choices") or [])
+                        default = choices.index(field["value"]) \
+                            if field["value"] in choices else 0
+                        chosen = menu(scr, field["label"],
+                                      [(c, c) for c in choices],
+                                      default_index=default,
+                                      back_value=edit_cancel)
+                        if chosen is not edit_cancel:
+                            field["value"] = chosen
+                    else:
+                        edited = line_edit(scr, field["label"],
+                                           field["value"],
+                                           validate=field.get("validate"),
+                                           back_value=edit_cancel)
+                        if edited is not edit_cancel:
+                            field["value"] = edited
 
 
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