Button to remove recent hashtags

Author: FrayxRulez

Telegram/Selectors/AutocompleteTemplateSelector.cs

@@ -61,6 +61,10 @@ protected override DataTemplate SelectTemplateCore(object item, DependencyObject
             {
                 return EmojiTemplate;
             }
+            else if (item is string)
+            {
+                return HashtagTemplate;
+            }
 
             return ItemTemplate ?? base.SelectTemplateCore(item, container);
         }

Telegram/Themes/Messages.xaml

@@ -64,6 +64,22 @@
                 </Grid>
             </DataTemplate>
         </selectors:AutocompleteTemplateSelector.ItemTemplate>
+        <selectors:AutocompleteTemplateSelector.HashtagTemplate>
+            <DataTemplate>
+                <Grid Padding="12,0,0,0">
+                    <Grid.ColumnDefinitions>
+                        <ColumnDefinition />
+                        <ColumnDefinition Width="Auto" />
+                    </Grid.ColumnDefinitions>
+                    <TextBlock FontFamily="{ThemeResource EmojiThemeFontFamily}"
+                               VerticalAlignment="Center" />
+                    <controls:GlyphButton Glyph="&#xE711;"
+                                          Margin="0,-4,-4,-4"
+                                          Visibility="Collapsed"
+                                          Grid.Column="1" />
+                </Grid>
+            </DataTemplate>
+        </selectors:AutocompleteTemplateSelector.HashtagTemplate>
         <selectors:AutocompleteTemplateSelector.StickerTemplate>
             <DataTemplate>
                 <Grid Padding="4"

Telegram/Views/ChatView.xaml.cs

@@ -5041,7 +5041,10 @@ private void Autocomplete_ChoosingItemContainer(ListViewBase sender, ChoosingIte
         {
             if (args.ItemContainer == null)
             {
-                args.ItemContainer = new TextGridViewItem();
+                args.ItemContainer = new TextGridViewItem
+                {
+                    HorizontalContentAlignment = HorizontalAlignment.Stretch
+                };
                 args.ItemContainer.Style = sender.ItemContainerStyle;
 
                 _autocompleteZoomer.ElementPrepared(args.ItemContainer);
@@ -5061,10 +5064,41 @@ private void Autocomplete_ChoosingItemContainer(ListViewBase sender, ChoosingIte
                 args.ItemContainer.CornerRadius = new CornerRadius();
             }
 
+            args.ItemContainer.PointerEntered -= Autocomplete_PointerEntered;
+            args.ItemContainer.PointerExited -= Autocomplete_PointerExited;
+
+            if (args.Item is string)
+            {
+                args.ItemContainer.PointerEntered += Autocomplete_PointerEntered;
+                args.ItemContainer.PointerExited += Autocomplete_PointerExited;
+            }
+
             args.ItemContainer.ContentTemplate = sender.ItemTemplateSelector.SelectTemplate(args.Item, args.ItemContainer);
             args.IsContainerPrepared = true;
         }
 
+        private void Autocomplete_PointerEntered(object sender, PointerRoutedEventArgs e)
+        {
+            if (sender is SelectorItem { ContentTemplateRoot: Grid content })
+            {
+                if (content.Children.Count > 1 && content.Children[1] is Button button)
+                {
+                    button.Visibility = Visibility.Visible;
+                }
+            }
+        }
+
+        private void Autocomplete_PointerExited(object sender, PointerRoutedEventArgs e)
+        {
+            if (sender is SelectorItem { ContentTemplateRoot: Grid content })
+            {
+                if (content.Children.Count > 1 && content.Children[1] is Button button)
+                {
+                    button.Visibility = Visibility.Collapsed;
+                }
+            }
+        }
+
         private void Autocomplete_ContainerContentChanging(ListViewBase sender, ContainerContentChangingEventArgs args)
         {
             if (args.InRecycleQueue)
@@ -5137,6 +5171,12 @@ private void Autocomplete_ContainerContentChanging(ListViewBase sender, Containe
 
                 var title = content.Children[0] as TextBlock;
                 title.Text = hashtag;
+
+                var clear = content.Children[1] as Button;
+                clear.Click -= RemoveHashtag_Click;
+                clear.Click += RemoveHashtag_Click;
+                clear.Tag = hashtag;
+                clear.Visibility = Visibility.Collapsed;
             }
             else if (args.Item is Sticker sticker)
             {
@@ -5155,6 +5195,21 @@ private void Autocomplete_ContainerContentChanging(ListViewBase sender, Containe
             args.Handled = true;
         }
 
+        private async void RemoveHashtag_Click(object sender, RoutedEventArgs e)
+        {
+            if (sender is Button { Tag: string hashtag })
+            {
+                _viewModel.ClientService.Send(new RemoveRecentHashtag(hashtag));
+
+                await Task.Yield();
+
+                if (ListAutocomplete.ItemsSource is AutocompleteCollection collection)
+                {
+                    collection.Remove(hashtag);
+                }
+            }
+        }
+
         private bool? _replyEnabled = null;
         private bool _actionCollapsed = true;