Show custom frontend title also above textareas when defined and != LibreTranslate (the default value)

Signed-off-by: DL6ER <dl6er@dl6er.de>

libretranslate/app.py

@@ -33,6 +33,7 @@ from libretranslate.locales import (
     gettext_html,
     lazy_swag,
 )
+from libretranslate.default_values import DEFAULT_FRONTEND_TITLE
 
 from .api_keys import Database, RemoteDatabase
 from .suggestions import Database as SuggestionsDatabase
@@ -448,6 +449,7 @@ def create_app(args):
             under_attack=args.under_attack,
             hide_api=args.hide_api,
             frontend_title=args.frontend_title,
+            use_custom_title=args.frontend_title != DEFAULT_FRONTEND_TITLE,
         ))
 
         if args.require_api_key_secret:

libretranslate/default_values.py

@@ -2,6 +2,7 @@ import os
 
 _prefix = 'LT_'
 
+DEFAULT_FRONTEND_TITLE = 'LibreTranslate'
 
 def _get_value_str(name, default_value):
     env_value = os.environ.get(name)
@@ -128,7 +129,7 @@ _default_options_objects = [
     },
     {
         'name': 'FRONTEND_TITLE',
-        'default_value': 'LibreTranslate',
+        'default_value': DEFAULT_FRONTEND_TITLE,
         'value_type': 'str'
     },
     {

libretranslate/templates/index.html

@@ -181,7 +181,13 @@
 						</div>
 					</div>
 					{% endif %}
-					<h3 class="header center">{{ _h("Translation API") }}</h3>
+					<h3 class="header center">
+						{% if use_custom_title %}
+						{{ frontend_title }}
+						{% else %}
+						{{ _h("Translation API") }}
+						{% endif %}
+					</h3>
 					<div id="translation-type-btns" class="s12 center" v-if="filesTranslation === true">
 						<button type="button" class="btn btn-switch-type" @click="switchType('text')" :class="{'active': translationType === 'text'}" :disabled="disableInput">
 							<i aria-hidden="true" class="material-icons">title</i>