fix: offer no paging keys on muxterm

muxterm keeps PgUp and PgDn for its scrollback and its L1 and R1 send
nothing: the help named a page key that never reaches the interface.

install.ps1

@@ -11,7 +11,7 @@
 
     $ErrorActionPreference = "Stop"
     $defaultInstallUrl = "https://raw.githubusercontent.com/Abdess/retrobios/main/install.py"
-    $defaultInstallSha256 = "4d0a09cb5df35b5ccac1addbcd31feaf1ae00153694c11c7a1894e73bc063833"
+    $defaultInstallSha256 = "3d36f9aaf0bfd17cc2eeff61d0f99d35ff60d7cf967572ec146b166681334e5d"
     $maximumInstallerBytes = 2MB
     $installerExit = 0
     $installer = if ($PSScriptRoot) { Join-Path $PSScriptRoot "install.py" } else { $null }

install.py

@@ -12044,7 +12044,9 @@ _HELP_KEYS: dict[str, dict[str, str | None]] = {
                "tick": "X, Space, Right/Left", "options": "Y, Tab, o",
                "back": "B, Select, Esc", "stop": "B, Esc, Ctrl-C", "kill": None,
                "enter": "A, Enter", "esc": "B, Esc"},
-    "muxterm": {"move": "D-pad, Up/Down", "page": "PgUp/PgDn", "ok": "Start, Enter",
+    # muxterm keeps PgUp and PgDn for its own scrollback, and its L1 and R1
+    # send nothing: no key pages a list there.
+    "muxterm": {"move": "D-pad, Up/Down", "page": None, "ok": "Start, Enter",
                 "tick": "Y, Space, Right/Left", "options": "o, Tab",
                 "back": "B, Esc, Backspace", "stop": "B, Esc, Ctrl-C", "kill": None,
                 "enter": "Start, Enter", "esc": "Esc"},
@@ -12080,7 +12082,8 @@ def _help_lines(state: TuiState) -> list[tuple[str, str]]:
                 *_route_extras(state)]
     keys = [(names["move"], "Move")]
     if len(tui_rows(state)) > 9 or screen in _PAGERS:
-        keys += [(names["page"], "Page"), ("Home/End, g/G", "First, last")]
+        keys += [*([(names["page"], "Page")] if names["page"] else []),
+                 ("Home/End, g/G", "First, last")]
     primary = _primary(state) or _TUI_VIEWS[screen](state, 80, 24)[2][0]
     ok = names["ok"]
     if state.pad == "miyoo" and screen in _CHECKLISTS:

install.sh

@@ -18,7 +18,7 @@ esac
 TEMP_INSTALLER=""
 TEMP_DIRECTORY=""
 DEFAULT_INSTALL_URL="https://raw.githubusercontent.com/Abdess/retrobios/main/install.py"
-DEFAULT_INSTALL_SHA256="4d0a09cb5df35b5ccac1addbcd31feaf1ae00153694c11c7a1894e73bc063833"
+DEFAULT_INSTALL_SHA256="3d36f9aaf0bfd17cc2eeff61d0f99d35ff60d7cf967572ec146b166681334e5d"
 MAX_INSTALLER_BYTES=2097152
 
 cleanup() {

tests/test_install_tui.py

@@ -1097,6 +1097,13 @@ class PadRoutes(unittest.TestCase):
                       "Close the terminal"):
             self.assertIn(words, muxterm)
         self.assertNotIn("Start+Select", muxterm)
+        # muxterm keeps PgUp and PgDn for its scrollback, and L1 and R1
+        # send nothing: no paging is offered there, on a list or a pager.
+        for screen in ("systems", "result", "plan"):
+            with self.subTest(screen=screen):
+                text = help_text("muxterm", screen)
+                for words in ("L1", "R1", "PgUp", "PgDn", "Page"):
+                    self.assertNotIn(words, text)
         miyoo = help_text("miyoo", "systems")
         for words in ("Start, Enter", "A, Space, Right/Left", "R2, Esc, Backspace",
                       "L2, Tab, o", "Sends no key here"):