re-add the visibility hack; add a play button that does nothing

Author: zadjii-msft

src/cascadia/TerminalApp/TasksPaneContent.cpp

@@ -40,7 +40,6 @@ namespace winrt::TerminalApp::implementation
         // UpdateSettings(settings);
     }
 
-
     MUX::Controls::TreeViewNode _buildTreeViewNode(const Model::Command& task)
     {
         MUX::Controls::TreeViewNode item{};
@@ -74,22 +73,6 @@ namespace winrt::TerminalApp::implementation
         _treeView().ItemsSource(itemSource);
     }
 
-    void TasksPaneContent::_containerContentChanging(
-        const Windows::UI::Xaml::Controls::ListViewBase& /*sender*/,
-        const Windows::UI::Xaml::Controls::ContainerContentChangingEventArgs& args)
-    {
-        const auto itemContainer = args.ItemContainer();
-        if (args.InRecycleQueue() && itemContainer && itemContainer.ContentTemplate())
-        {
-            // _listViewItemsCache[itemContainer.ContentTemplate()].insert(itemContainer);
-            itemContainer.DataContext(nullptr);
-        }
-        else
-        {
-            itemContainer.DataContext(args.Item());
-        }
-    }
-
     winrt::Windows::UI::Xaml::FrameworkElement TasksPaneContent::GetRoot()
     {
         return *this;

src/cascadia/TerminalApp/TasksPaneContent.h

@@ -39,18 +39,14 @@ namespace winrt::TerminalApp::implementation
 
     private:
         friend struct TasksPaneContentT<TasksPaneContent>; // for Xaml to bind events
-
-        // winrt::Windows::UI::Xaml::Controls::Grid _root{ nullptr };
-        // winrt::Microsoft::UI::Xaml::Controls::TreeView _treeView{ nullptr };
-
-        void _containerContentChanging(const Windows::UI::Xaml::Controls::ListViewBase& sender, const Windows::UI::Xaml::Controls::ContainerContentChangingEventArgs& args);
     };
 
     struct TaskViewModel : TaskViewModelT<TaskViewModel>
     {
         TaskViewModel(const winrt::Microsoft::Terminal::Settings::Model::Command& command) :
             _command{ command }
         {
+            // The Children() method must always return a non-null vector
             _children = winrt::single_threaded_observable_vector<TerminalApp::TaskViewModel>();
             if (_command.HasNestedCommands())
             {

src/cascadia/TerminalApp/TasksPaneContent.xaml

@@ -32,7 +32,8 @@
             </DataTemplate>
             <DataTemplate x:Key="TaskItemTemplate"
                           x:DataType="local:TaskViewModel">
-                <mux:TreeViewItem ItemsSource="{x:Bind Children}">
+                <mux:TreeViewItem x:Name="rootItem"
+                                  ItemsSource="{x:Bind Children}">
                     <Grid>
                         <Grid.RowDefinitions>
                             <RowDefinition Height="*" />
@@ -56,6 +57,12 @@
                                     VerticalAlignment="Center"
                                     HorizontalAlignment="Center"
                                     Fill="{ThemeResource SystemControlBackgroundBaseMediumBrush}"/>-->
+                        <Button Grid.Row="0"
+                                Grid.Column="0">
+                            <FontIcon FontFamily="Segoe Fluent Icons, Segoe MDL2 Assets"
+                                      FontSize="12"
+                                      Glyph="&#xE768;" />
+                        </Button>
                         <TextBlock Grid.Column="1"
                                    Margin="12,6,0,0"
                                    Style="{ThemeResource BaseTextBlockStyle}"
@@ -65,14 +72,15 @@
                                    Margin="12,0,0,6"
                                    MaxLines="1"
                                    Style="{ThemeResource BodyTextBlockStyle}"
-                                   Text="{x:Bind Input}" />
+                                   Text="{x:Bind Input}"
+                                   Visibility="{Binding ElementName=rootItem, Path=IsSelected}" />
                     </Grid>
                 </mux:TreeViewItem>
             </DataTemplate>
         </ResourceDictionary>
     </UserControl.Resources>
 
-    <Grid Background="Red">
+    <Grid>
         <Grid.RowDefinitions>
             <RowDefinition Height="Auto" />
             <RowDefinition Height="Auto" />
@@ -87,11 +95,11 @@
 
         <TextBox x:Name="_filterBox"
                  Grid.Row="1"
-                 Margin="8" />
+                 Margin="8"
+                 PlaceholderText="Filter tasks..." />
 
         <mux:TreeView x:Name="_treeView"
                       Grid.Row="2"
-                      Background="Blue"
                       CanDragItems="False"
                       CanReorderItems="False"
                       ItemTemplate="{StaticResource TaskItemTemplate}" />