[fix] simple theme: open preferences with general tab

BTW: fix also the category tab to open with category 'general'

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

searx/templates/simple/macros.html

@@ -55,8 +55,8 @@
 <div class="tabs" role="tablist">
 {%- endmacro -%}
 
-{%- macro tab_header(name, id, label) -%}
-<input type="radio" name="{{ name }}" id="tab-{{ id }}"/>
+{%- macro tab_header(name, id, label, checked) -%}
+<input type="radio" name="{{ name }}" id="tab-{{ id }}" {% if checked is sameas true %}checked="checked"{% endif %} />
 <label id="tab-label-{{ label }}" for="tab-{{ id }}" role="tab" aria-controls="tab-content-{{ id }}">{{ label }}</label>
 <section id="tab-content-{{ id }}" role="tabpanel" aria-labelledby="tab-label-{{ label }}" aria-hidden="false">
 {%- endmacro -%}

searx/templates/simple/preferences.html

@@ -102,7 +102,7 @@
 
 {{ tabs_open() }}
 
-  {{ tab_header('maintab', 'general', _('General')) }}
+  {{ tab_header('maintab', 'general', _('General'), True) }}
     {% if 'categories' not in locked_preferences %}
     <fieldset>
       <legend>{{ _('Default categories') }}</legend>
@@ -284,9 +284,11 @@
   {{ tab_header('maintab', 'engines', _('Engines')) }}
     <p>{{ _('Currently used search engines') }}</p>
     {{ tabs_open() }}
-    {% for categ in categories_as_tabs + [OTHER_CATEGORY] %}
-    {{ tab_header('enginetab', 'category' + categ, _(categ)) }}
-    {% if categ == OTHER_CATEGORY %}
+     {% set ns = namespace(checked=true) %}
+     {% for categ in categories_as_tabs + [OTHER_CATEGORY] %}
+     {{ tab_header('enginetab', 'category' + categ, _(categ), ns.checked )}}
+     {% set ns.checked = false %}
+   {% if categ == OTHER_CATEGORY %}
       <p>{{_('This tab does not show up for search results, but you can search the engines listed here via bangs.')}}</p>
     {% endif %}
     <div class="scrollx">