Fix Dropdown issue

README.md

@@ -75,6 +75,16 @@ window icon works without an installed `assets/` directory.
 make translations
 ```
 
+Adding or changing a translation, adding a language, and the checks around them
+are described in [po/README.md](po/README.md). `scripts/i18n.sh` does the work and
+is wired into the Makefile:
+
+```bash
+make pot              # regenerate po/gkeymapper.pot from the sources
+make i18n-check       # pot, catalogs and the language list of the GUI
+make i18n-status      # per language: translated, fuzzy, untranslated
+```
+
 ## Run
 
 Normal:
@@ -105,8 +115,10 @@ window rewrites the same content instead of emptying the file.
 Only one window is open at a time, and it is the one you just started: a new
 start closes the instance that is already running — including one from an older
 build — and then shows its own window, so a stale window can never stay next to a
-fresh one. Row edits that were not saved are lost with the replaced window,
-because saving is always explicit (`Save mappings`).
+fresh one. The rows of the window it replaced come along, so an edit that was
+typed but never saved is still there; an instance from an older build cannot hand
+them over, and then the window shows the saved mappings. Saving itself stays
+explicit either way: press `Save mappings`.
 
 ### Menu, tray icon and minimize to tray
 
@@ -122,12 +134,15 @@ configuration...`, `Options`, `Help` (also `F1`), `About` and `Quit` (`Ctrl+Q`).
   (`System language`, or a fixed `de`/`en`/`es`/`fr`): it switches the window, the
   menus and the tray menu right away — nothing to restart, and rows that were not
   saved yet are kept.
-* `Start with the session` opens the window when you log in. It writes the usual
-  autostart entry (`~/.config/autostart/gkeymapper.desktop`, starting the binary
-  that is running) and removes it again when you switch it off; an entry that the
-  desktop's own startup tool has disabled counts as off, too. Like the window
-  itself this is a convenience: the G keys do not need it, only the daemon has to
-  run (see `Running the daemon` below).
+* `Start with the session` starts the window minimized in the tray when you log
+  in: it writes the usual autostart entry
+  (`~/.config/autostart/gkeymapper.desktop`, starting the binary that is running
+  with the `--start-hidden` argument) and removes it again when you switch it off;
+  an entry that the desktop's own startup tool has disabled counts as off, too. The
+  window then waits in the tray until its `Show`, and only a desktop that hosts that
+  icon can leave it hidden — one without a tray gets the window a few seconds after
+  login. Like the window itself this is a convenience: the G keys do not need it,
+  only the daemon has to run (see `Running the daemon` below).
 
 `Minimize to tray` keeps gKeyMapper reachable from the panel: the window is
 hidden instead of closed when you close or minimize it, and the tray icon's menu
@@ -340,7 +355,8 @@ src/keyrow.h           # KeyRow (one per G key)
 src/mappings.{h,cpp}   # GUI glue: config file <-> row widgets
 src/capturedialog.{h,cpp} # key-capture dialog
 src/daemonclient.{h,cpp}  # D-Bus client for the daemon (status/reload)
-src/singleinstance.{h,cpp} # one GUI only: a new start closes a running instance
+src/singleinstance.{h,cpp} # one GUI only: a new start replaces a running one,
+                          # taking the rows of its window along (unsaved edits)
 src/trayicon.{h,cpp}   # tray icon: StatusNotifierItem + dbusmenu over GIO
 src/settings.{h,cpp}   # gui.conf (window preferences, e.g. minimize to tray)
 src/help.{h,cpp}       # help window
@@ -361,7 +377,8 @@ data/gkeymapper-uinput.conf   # modules-load.d fragment for uinput
 data/gkeymapper-daemon.service# systemd user unit (installed by make install)
 data/dev.rager.gkeymapper.Daemon.service # D-Bus activation (session bus)
 docs/daemon-plan.md    # daemon plan (reference: g910-gkey-macro-support)
-po/                    # Translations (pot/po/mo targets)
+po/                    # Translations (pot/po/mo targets, po/README.md)
+scripts/i18n.sh        # extract/update/check/status/todo/new for the catalogs
 Makefile               # Build via pkg-config + gettext
 .vscode/tasks.json     # VS Code tasks for make
 README.md