Don't use an arrow icon for calendar navigation submit button

src/pretix/control/forms/event.py

@@ -34,6 +34,7 @@
 # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations under the License.
 
+from dataclasses import dataclass
 from decimal import Decimal
 from urllib.parse import urlencode
 from zoneinfo import ZoneInfo
@@ -578,6 +579,12 @@ class EventSettingsValidationMixin:
                 del self.cleaned_data[field]
 
 
+@dataclass
+class FontOption:
+    title: str
+    data: str
+
+
 class EventSettingsForm(EventSettingsValidationMixin, FormPlaceholderMixin, SettingsForm):
     timezone = forms.ChoiceField(
         choices=((a, a) for a in common_timezones),
@@ -729,7 +736,7 @@ class EventSettingsForm(EventSettingsValidationMixin, FormPlaceholderMixin, Sett
             del self.fields['event_list_filters']
             del self.fields['event_calendar_future_only']
         self.fields['primary_font'].choices = [('Open Sans', 'Open Sans')] + sorted([
-            (a, {"title": a, "data": v}) for a, v in get_fonts(self.event, pdf_support_required=False).items()
+            (a, FontOption(title=a, data=v)) for a, v in get_fonts(self.event, pdf_support_required=False).items()
         ], key=lambda a: a[0])
 
         # create "virtual" fields for better UX when editing <name>_asked and <name>_required fields

src/pretix/presale/forms/checkout.py

@@ -32,8 +32,11 @@
 # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 # License for the specific language governing permissions and limitations under the License.
 
+from itertools import chain
+
 from django import forms
 from django.core.exceptions import ValidationError
+from django.utils.encoding import force_str
 from django.utils.formats import date_format
 from django.utils.html import escape
 from django.utils.safestring import mark_safe
@@ -165,6 +168,46 @@ class QuestionsForm(BaseQuestionsForm):
             )
 
 
+class AddOnRadioSelect(forms.RadioSelect):
+    option_template_name = 'pretixpresale/forms/addon_choice_option.html'
+
+    def optgroups(self, name, value, attrs=None):
+        attrs = attrs or {}
+        groups = []
+        has_selected = False
+        for index, (option_value, option_label, option_desc) in enumerate(chain(self.choices)):
+            if option_value is None:
+                option_value = ''
+            if isinstance(option_label, (list, tuple)):
+                raise TypeError('Choice groups are not supported here')
+            group_name = None
+            subgroup = []
+            groups.append((group_name, subgroup, index))
+
+            selected = (
+                force_str(option_value) in value and
+                (has_selected is False or self.allow_multiple_selected)
+            )
+            if selected is True and has_selected is False:
+                has_selected = True
+            attrs['description'] = option_desc
+            subgroup.append(self.create_option(
+                name, option_value, option_label, selected, index,
+                subindex=None, attrs=attrs,
+            ))
+
+        return groups
+
+
+class AddOnVariationField(forms.ChoiceField):
+    def valid_value(self, value):
+        text_value = force_str(value)
+        for k, v, d in self.choices:
+            if value == k or text_value == force_str(k):
+                return True
+        return False
+
+
 class MembershipForm(forms.Form):
     required_css_class = 'required'
 

src/pretix/presale/templates/pretixpresale/event/fragment_subevent_calendar.html

@@ -37,7 +37,7 @@
                         </select>
                         <span class="input-group-btn">
                             <button type="submit" class="btn btn-default" aria-label="{% trans "Show month" %}">
-                                {% icon "chevron-right" %}
+                                {% icon "check" %}
                             </button>
                         </span>
                     </div>

src/pretix/presale/templates/pretixpresale/event/fragment_subevent_calendar_week.html

@@ -41,7 +41,7 @@
                         </select>
                         <span class="input-group-btn">
                             <button type="submit" class="btn btn-default" aria-label="{% trans "Show week" %}">
-                                {% icon "chevron-right" %}
+                                {% icon "check" %}
                             </button>
                         </span>
                     </div>

src/pretix/presale/templates/pretixpresale/forms/addon_choice_option.html

@@ -0,0 +1,3 @@
+{% load rich_text %}
+<label{% if widget.attrs.id %} for="{{ widget.attrs.id }}"{% endif %}>{% include "django/forms/widgets/input.html" %} {{ widget.label }}</label> {% if widget.attrs.description %}<span class="fa fa-info-circle toggle-variation-description" aria-hidden="true"></span>
+<div class="variation-description addon-variation-description">{{ widget.attrs.description|rich_text }}</div>{% endif %}

src/pretix/presale/templates/pretixpresale/organizers/calendar.html

@@ -69,7 +69,7 @@
                                     </select>
                                     <span class="input-group-btn">
                                         <button type="submit" class="btn btn-default" aria-label="{% trans "Show month" %}">
-                                            {% icon "chevron-right" %}
+                                            {% icon "check" %}
                                         </button>
                                     </span>
                                 </div>

src/pretix/presale/templates/pretixpresale/organizers/calendar_day.html

@@ -61,7 +61,7 @@
                                     <input class="datepickerfield form-control" id="calendar-input-date" value="{{ date|date:"SHORT_DATE_FORMAT" }}" name="date">
                                     <span class="input-group-btn">
                                         <button type="submit" class="btn btn-default" aria-label="{% trans "Show date" %}">
-                                            {% icon "chevron-right" %}
+                                            {% icon "check" %}
                                         </button>
                                     </span>
                                 </div>

src/pretix/presale/templates/pretixpresale/organizers/calendar_week.html

@@ -73,7 +73,7 @@
                                     </select>
                                     <span class="input-group-btn">
                                         <button type="submit" class="btn btn-default" aria-label="{% trans "Show week" %}">
-                                            {% icon "chevron-right" %}
+                                            {% icon "check" %}
                                         </button>
                                     </span>
                                 </div>