edit-dialog: fix Reminders dim label size

data/ui/edit-dialog.ui

@@ -64,6 +64,7 @@
                 <property name="halign">end</property>
                 <property name="label" translatable="yes">Title</property>
                 <property name="ellipsize">end</property>
+                <signal name="size-allocate" handler="fix_reminders_label_height_cb" object="reminders_label" swapped="no" after="yes" />
                 <style>
                   <class name="dim-label"/>
                 </style>
@@ -102,9 +103,10 @@
               </packing>
             </child>
             <child>
-              <object class="GtkLabel">
+              <object class="GtkLabel" id="reminders_label">
                 <property name="visible">True</property>
                 <property name="halign">end</property>
+                <property name="valign">start</property>
                 <property name="label" translatable="yes">Reminders</property>
                 <property name="ellipsize">end</property>
                 <style>

src/gcal-edit-dialog.c

@@ -271,6 +271,14 @@ sort_alarms_func (GtkListBoxRow *a,
   return minutes_a - minutes_b;
 }
 
+static void
+fix_reminders_label_height_cb (GtkWidget    *summary_label,
+                               GdkRectangle *allocation,
+                               GtkWidget    *reminders_label)
+{
+  gtk_widget_set_size_request (reminders_label, -1, allocation->height);
+}
+
 static void
 gcal_edit_dialog_get_property (GObject    *object,
                                guint       prop_id,
@@ -411,6 +419,7 @@ gcal_edit_dialog_class_init (GcalEditDialogClass *klass)
 
   /* callbacks */
   gtk_widget_class_bind_template_callback (widget_class, add_alarm_button_clicked);
+  gtk_widget_class_bind_template_callback (widget_class, fix_reminders_label_height_cb);
   gtk_widget_class_bind_template_callback (widget_class, gcal_edit_dialog_action_button_clicked);
   gtk_widget_class_bind_template_callback (widget_class, gcal_edit_dialog_all_day_changed);
   gtk_widget_class_bind_template_callback (widget_class, update_summary);
@@ -656,6 +665,13 @@ remove_button_clicked (GtkButton *button,
   gcal_manager_update_event (self->manager, event);
 
   gtk_widget_destroy (row);
+
+  /*
+   * In order to not allocate a spacing between the listbox and the
+   * add alarms button, we should always keep the listbox:visible property
+   * updated.
+   */
+  gtk_widget_set_visible (self->alarms_listbox, gcal_event_has_alarms (self->event));
 }
 
 static void