The menu navigation contract: a submenu invoked directly via keybinding
(BACK_TO_EXIT=true, set by go_to_menu when nomarchy-menu is launched
with a target argument) should `exit 0` after the user's action; a
submenu invoked from a parent menu (BACK_TO_EXIT=false) should call
`back_to <parent>` to return where the user came from. back_to() honors
both modes.
Three submenus violated the contract:
- show_theme_menu and show_background_menu shell out to walker's
Elephant plugin and don't call back_to. After picking a theme or
wallpaper from Main -> Style -> Theme, the script exits silently
instead of returning to Style; the user has to relaunch the menu
from scratch to change anything else.
- show_hardware_menu's cancel branch called show_trigger_menu directly
instead of back_to show_trigger_menu, which would have bounced a
direct-keybinding caller into Trigger instead of exiting cleanly.
Adds the missing back_to call to the two walker-backed submenus
(parented to show_style_menu) and converts the hardware cancel branch
to back_to. The 16 other show_*_menu functions already conform.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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