i18n: localize modal screen chrome

docs/CHANGELOG.md

@@ -14,6 +14,7 @@
   with UTF-8-aware title padding for Chinese.
 - Common COMMAND-mode outputs now respect the session language, including
   `:users` headers and `:mute-joins` state text.
+- Command-output and MOTD screen chrome now use the session UI language.
 
 ### Changed
 - NORMAL mode now opens at the latest visible messages instead of the oldest

include/i18n.h

@@ -12,7 +12,10 @@ typedef enum {
     I18N_NORMAL_LATEST,
     I18N_NORMAL_NEW_MESSAGES,
     I18N_HELP_TITLE,
-    I18N_HELP_STATUS_FORMAT
+    I18N_HELP_STATUS_FORMAT,
+    I18N_COMMAND_OUTPUT_TITLE,
+    I18N_MOTD_TITLE,
+    I18N_MOTD_CONTINUE_HINT
 } i18n_text_id_t;
 
 bool i18n_try_parse_lang(const char *value, help_lang_t *lang);

src/i18n.c

@@ -89,6 +89,12 @@ const char *i18n_text(help_lang_t lang, i18n_text_id_t id) {
                 return " 帮助 ";
             case I18N_HELP_STATUS_FORMAT:
                 return "-- 帮助 -- (%d/%d) j/k:滚动 g/G:首尾 e/z:语言 q:关闭";
+            case I18N_COMMAND_OUTPUT_TITLE:
+                return " 命令输出 ";
+            case I18N_MOTD_TITLE:
+                return " 公告 ";
+            case I18N_MOTD_CONTINUE_HINT:
+                return " 按任意键继续 ";
         }
     }
 
@@ -111,6 +117,12 @@ const char *i18n_text(help_lang_t lang, i18n_text_id_t id) {
             return " HELP ";
         case I18N_HELP_STATUS_FORMAT:
             return "-- HELP -- (%d/%d) j/k:scroll g/G:top/bottom e/z:lang q:close";
+        case I18N_COMMAND_OUTPUT_TITLE:
+            return " COMMAND OUTPUT ";
+        case I18N_MOTD_TITLE:
+            return " NOTICE ";
+        case I18N_MOTD_CONTINUE_HINT:
+            return " Press any key ";
     }
 
     return "";

src/tui.c

@@ -621,7 +621,8 @@ void tui_render_command_output(client_t *client) {
     buffer_appendf(buffer, sizeof(buffer), &pos, ANSI_CLEAR ANSI_HOME);
 
     /* Title */
-    const char *title = " COMMAND OUTPUT ";
+    const char *title = i18n_text(client->help_lang,
+                                  I18N_COMMAND_OUTPUT_TITLE);
     char title_display[64];
     utf8_ansi_truncate(title, title_display, sizeof(title_display), rw);
     int title_width = utf8_ansi_string_width(title_display);
@@ -678,8 +679,8 @@ void tui_render_motd(client_t *client) {
     size_t pos = 0;
     buffer_appendf(buffer, sizeof(buffer), &pos, ANSI_CLEAR ANSI_HOME);
 
-    /* Top border: ╭─ 公告 / MOTD ──...──╮ */
+    /* Top border with a localized title chip. */
-    const char *title = " 公告 / MOTD ";
+    const char *title = i18n_text(client->help_lang, I18N_MOTD_TITLE);
     int title_w = utf8_string_width(title);
     int top_dash_fill = rw - 2 - title_w - 1;  /* 2 corners, 1 leading ─ */
     if (top_dash_fill < 0) top_dash_fill = 0;
@@ -730,8 +731,9 @@ void tui_render_motd(client_t *client) {
     /* Bottom breathing-room line */
     buffer_appendf(buffer, sizeof(buffer), &pos, "\r\n");
 
-    /* Bottom border: ╰─ 按任意键继续 ─...─╯ */
+    /* Bottom border with a localized continue hint. */
-    const char *footer = " 按任意键继续 / press any key ";
+    const char *footer = i18n_text(client->help_lang,
+                                   I18N_MOTD_CONTINUE_HINT);
     int footer_w = utf8_string_width(footer);
     int bot_dash_fill = rw - 2 - footer_w - 1;
     if (bot_dash_fill < 0) bot_dash_fill = 0;

tests/test_interactive_input.sh

@@ -216,6 +216,7 @@ expect "NORMAL"
 send -- ":"
 expect ":"
 send -- "mute-joins\r"
+expect "命令输出"
 expect "加入/离开提示"
 expect "已静音"
 expect "按任意键"
@@ -231,6 +232,7 @@ expect "NORMAL"
 send -- ":"
 expect ":"
 send -- "users\r"
+expect "COMMAND OUTPUT"
 expect "Online users"
 expect "Press any key"
 send -- "q"
@@ -251,6 +253,35 @@ else
     FAIL=$((FAIL + 1))
 fi
 
+printf '维护窗口\n' >"$STATE_DIR/motd.txt"
+MOTD_SCRIPT="$STATE_DIR/motd.expect"
+cat >"$MOTD_SCRIPT" <<EOF
+set timeout 10
+spawn ssh $SSH_OPTS anonymous@127.0.0.1
+sleep 1
+send -- "motduser\r"
+expect "公告"
+expect "维护窗口"
+expect "按任意键继续"
+send -- "x"
+expect "NORMAL"
+sleep 0.2
+send -- "\003"
+sleep 0.2
+send -- "\003"
+expect eof
+EOF
+
+if expect "$MOTD_SCRIPT" >"$STATE_DIR/motd.log" 2>&1; then
+    echo "✓ MOTD chrome follows session language"
+    PASS=$((PASS + 1))
+else
+    echo "x localized MOTD chrome failed"
+    sed -n '1,200p' "$STATE_DIR/motd.log"
+    sed -n '1,120p' "$STATE_DIR/server.log"
+    FAIL=$((FAIL + 1))
+fi
+
 echo ""
 echo "PASSED: $PASS"
 echo "FAILED: $FAIL"

tests/unit/test_i18n.c

@@ -66,6 +66,14 @@ TEST(text_lookup_matches_language) {
                   "HELP") != NULL);
     assert(strstr(i18n_text(LANG_ZH, I18N_HELP_STATUS_FORMAT),
                   "帮助") != NULL);
+    assert(strstr(i18n_text(LANG_EN, I18N_COMMAND_OUTPUT_TITLE),
+                  "COMMAND") != NULL);
+    assert(strstr(i18n_text(LANG_ZH, I18N_COMMAND_OUTPUT_TITLE),
+                  "命令输出") != NULL);
+    assert(strstr(i18n_text(LANG_EN, I18N_MOTD_CONTINUE_HINT),
+                  "Press any key") != NULL);
+    assert(strstr(i18n_text(LANG_ZH, I18N_MOTD_CONTINUE_HINT),
+                  "按任意键") != NULL);
     assert(strcmp(i18n_lang_code(LANG_EN), "en") == 0);
     assert(strcmp(i18n_lang_code(LANG_ZH), "zh") == 0);
 }