[mod] in the preference page, show !bang of subgrouping categories

The names of the subgrouping categories in the preference page are translated,
to use this categories the user needs to know by which !bang the category can be
selected.  Related to "Make 'non tab category' bangs discoverable" in [#690].

Related:

- [#690] https://github.com/searxng/searxng/issues/690
- https://github.com/searxng/searxng/issues/1604
- https://github.com/searxng/searxng/pull/1545

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

1 files changed, 10 insertions, 6 deletions

diff --git a/searx/templates/simple/preferences.html b/searx/templates/simple/preferences.html
index 70c150581..170dffa39 100644
--- a/searx/templates/simple/preferences.html
+++ b/searx/templates/simple/preferences.html
@@ -32,7 +32,8 @@
       {{ _('View error logs and submit a bug report') -}}
     </a>
     {%- endif -%}
-
+    <p><span class="right">{{ _("!bang for this engine") }}</span>{% for bang in [search_engine.name] + [search_engine.shortcut] %}<span class="bang"> {{ '!' + bang.replace(' ', '_') }}</span>{% endfor %}</p>
+    <p><span class="right">{{ _("!bang for its categories") }}</span>{% for bang in search_engine.categories %}<span class="bang"> {{ '!' + bang.replace(' ', '_') }}</span>{% endfor %}</p>
 </div>
 {%- endif -%}
 {%- endmacro %}
@@ -309,7 +310,7 @@
       <tr>{{- "" -}}
         <th class="engine_checkbox">{{ _("Allow") }}</th>{{- "" -}}
         <th class="name">{{ _("Engine name") }}</th>{{- "" -}}
-        <th class="shortcut">{{ _("!bang") }}</th>{{- "" -}}
+        <th class="shortcut">{{ _("Bang") }}</th>{{- "" -}}
         <th>{{ _("Supports selected language") }}</th>{{- "" -}}
         <th>{{ _("SafeSearch") }}</th>{{- "" -}}
         <th>{{ _("Time range") }}</th>{{- "" -}}
@@ -317,9 +318,12 @@
         <th>{{ _("Max time") }}</th>{{- "" -}}
         {%- if enable_metrics %}<th>{{ _("Reliability") }}</th>{% endif -%}
       </tr>
-      {% for group, engines in engines_by_category[categ] | group_engines_in_tab %}
+      {% for group, group_bang, engines in engines_by_category[categ] | group_engines_in_tab %}
       {% if loop.length > 1 %}
-      <tr><th colspan="9" class="engine-group">{{_(group)}}</th></tr>
+      <tr>
+        <th class="engine-group" colspan="2">{{_(group)}}</th>
+        <th class="engine-group" colspan="7">{% if group_bang %}<span class="bang">{{group_bang}}</span>{% endif %}</th>
+      </tr>{{- "" -}}
       {% endif %}
       {% for search_engine in engines %}
       {% if not search_engine.private %}
@@ -329,13 +333,13 @@
         <th class="name" data-engine-name="{{ search_engine.name }}">{% if search_engine.enable_http %}{{ icon_big('warning', 'No HTTPS') }}{% endif -%}
           <label for="{{ engine_id }}">
             {{- search_engine.name -}}
-            {%- if search_engine.about and search_engine.about.language -%}
+            {%- if search_engine.about and search_engine.about.language %}
               ({{search_engine.about.language | upper}})
             {%- endif -%}
           </label>
           {{- engine_about(search_engine) -}}
         </th>{{- "" -}}
-        <td class="shortcut">{{ shortcuts[search_engine.name] }}</td>{{- "" -}}
+        <td class="shortcut"><span class="bang">{{ '!' + shortcuts[search_engine.name] }}</span></td>{{- "" -}}
         <td>{{ checkbox(None, supports[search_engine.name]['supports_selected_language'], true) }}</td>{{- "" -}}
         <td>{{ checkbox(None, supports[search_engine.name]['safesearch'], true) }}</td>{{- "" -}}
         <td>{{ checkbox(None, supports[search_engine.name]['time_range_support'], true) }}</td>{{- "" -}}