DYN-9159: Hide autocomplete marker on far zoom out (#16382)

chubakueno · johnpierson · Copilot · web-flow · commit dd33466cd52c · 2025-07-15T11:16:42.000-05:00
Co-authored-by: john pierson &lt;sixtysecondrevit@gmail.com&gt;
Co-authored-by: Copilot &lt;175728472+Copilot@users.noreply.github.com&gt;
Co-authored-by: john pierson &lt;john.pierson@autodesk.com&gt;
diff --git a/src/DynamoCoreWpf/Controls/InPorts.xaml.cs b/src/DynamoCoreWpf/Controls/InPorts.xaml.cs
@@ -1,20 +1,15 @@
-using Dynamo.Microsoft.Xaml.Behaviors;
-using Dynamo.ViewModels;
 using System;
-using System.Collections.Generic;
 using System.ComponentModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Data;
-using System.Windows.Documents;
 using System.Windows.Input;
 using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
 using System.Windows.Shapes;
+using Dynamo.Controls;
+using Dynamo.Microsoft.Xaml.Behaviors;
+using Dynamo.ViewModels;
+using Dynamo.Views;
 
 namespace Dynamo.UI.Controls
 {
@@ -44,6 +39,7 @@ public partial class InPorts : UserControl
 
         private static BooleanToVisibilityConverter _booleanToVisibilityConverter = new BooleanToVisibilityConverter();
         private static FontFamily _artifactElementReg = SharedDictionaryManager.DynamoModernDictionary["ArtifaktElementRegular"] as FontFamily;
+        private static readonly ZoomToInverseVisibilityCollapsedConverter _zoomToInverseVisibilityCollapsedConverter = new ZoomToInverseVisibilityCollapsedConverter();
 
         static InPorts()
         {
@@ -72,7 +68,8 @@ public InPorts()
             MainGrid.ColumnDefinitions.Add(new ColumnDefinition() { Name = "GapBetweenPortNameAndUseLevelSpinner", Width = new GridLength(6) });
             MainGrid.ColumnDefinitions.Add(new ColumnDefinition() { Name = "UseLevelSpinnerColumn", Width = new GridLength(0) });
             MainGrid.ColumnDefinitions.Add(new ColumnDefinition() { Name = "ChevronColumn", Width = new GridLength(0) });
-            MainGrid.ContextMenuOpening += (s,e) => {
+            MainGrid.ContextMenuOpening += (s, e) =>
+            {
                 e.Handled = true; // Suppress the default context menu
             };
 
@@ -209,6 +206,11 @@ public InPorts()
 
             nodeAutoCompleteMarker.Child = nodeAutoCompleteMarkerLabel;
             NodeAutoCompleteHover.Children.Add(nodeAutoCompleteMarker);
+            NodeAutoCompleteHover.SetBinding(UIElement.VisibilityProperty, new Binding("DataContext.Zoom")
+            {
+                RelativeSource = new RelativeSource(RelativeSourceMode.FindAncestor, typeof(WorkspaceView), 1),
+                Converter = _zoomToInverseVisibilityCollapsedConverter
+            });
 
             MainGrid.Children.Add(PortSnapping);
             MainGrid.Children.Add(PortBackgroundBorder);
diff --git a/src/DynamoCoreWpf/Controls/OutPorts.xaml.cs b/src/DynamoCoreWpf/Controls/OutPorts.xaml.cs
@@ -1,22 +1,14 @@
-using Dynamo.Configuration;
-using Dynamo.Controls;
-using Dynamo.Microsoft.Xaml.Behaviors;
-using Dynamo.ViewModels;
-using System;
-using System.Collections.Generic;
 using System.ComponentModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Data;
-using System.Windows.Documents;
 using System.Windows.Input;
 using System.Windows.Media;
-using System.Windows.Media.Imaging;
-using System.Windows.Navigation;
 using System.Windows.Shapes;
+using Dynamo.Controls;
+using Dynamo.Microsoft.Xaml.Behaviors;
+using Dynamo.ViewModels;
+using Dynamo.Views;
 
 namespace Dynamo.UI.Controls
 {
@@ -43,6 +35,7 @@ public partial class OutPorts : UserControl
         private static SolidColorBrush _nodeTransientOverlayColor = SharedDictionaryManager.DynamoColorsAndBrushesDictionary["NodeTransientOverlayColor"] as SolidColorBrush;
         private static SolidColorBrush _portMouseOverColor = SharedDictionaryManager.DynamoColorsAndBrushesDictionary["PortMouseOverColor"] as SolidColorBrush;
         private static SolidColorBrush _portValueMarkerColor = SharedDictionaryManager.DynamoColorsAndBrushesDictionary["UnSelectedLayoutForeground"] as SolidColorBrush;
+        private static readonly ZoomToInverseVisibilityCollapsedConverter _zoomToInverseVisibilityCollapsedConverter = new ZoomToInverseVisibilityCollapsedConverter();
 
         //Hold the instance color for the port Background Color.  This is so it can be set differently for CodeBlock
         private SolidColorBrush portBackGroundColor = PortViewModel.PortBackgroundColorDefault;
@@ -72,7 +65,8 @@ public OutPorts()
             MainGrid.ColumnDefinitions.Add(new ColumnDefinition() { Name = "PortNameColumn", Width = new GridLength(1, GridUnitType.Star) });
             MainGrid.ColumnDefinitions.Add(new ColumnDefinition() { Name = "ValueMarkerColumn", Width = new GridLength(5) });
             MainGrid.ColumnDefinitions.Add(new ColumnDefinition() { Name = "PortSnappingColumn", Width = new GridLength(25) });
-            MainGrid.ContextMenuOpening += (s, e) => {
+            MainGrid.ContextMenuOpening += (s, e) =>
+            {
                 e.Handled = true; // Suppress the default context menu
             };
 
@@ -201,8 +195,13 @@ public OutPorts()
                 Content = "✨"
             };
 
-            nodeAutoCompleteMarker.Child = nodeAutoCompleteMarkerLabel; 
+            nodeAutoCompleteMarker.Child = nodeAutoCompleteMarkerLabel;
             NodeAutoCompleteHover.Children.Add(nodeAutoCompleteMarker);
+            NodeAutoCompleteHover.SetBinding(UIElement.VisibilityProperty, new Binding("DataContext.Zoom")
+            {
+                RelativeSource = new RelativeSource(RelativeSourceMode.FindAncestor, typeof(WorkspaceView), 1),
+                Converter = _zoomToInverseVisibilityCollapsedConverter
+            });
 
             MainGrid.Children.Add(PortSnapping);
             MainGrid.Children.Add(PortBackgroundBorder);
diff --git a/src/DynamoCoreWpf/PublicAPI.Unshipped.txt b/src/DynamoCoreWpf/PublicAPI.Unshipped.txt
@@ -788,6 +788,10 @@ Dynamo.Controls.ZoomToBooleanConverter
 Dynamo.Controls.ZoomToBooleanConverter.Convert(object value, System.Type targetType, object parameter, System.Globalization.CultureInfo culture) -> object
 Dynamo.Controls.ZoomToBooleanConverter.ConvertBack(object value, System.Type targetType, object parameter, System.Globalization.CultureInfo culture) -> object
 Dynamo.Controls.ZoomToBooleanConverter.ZoomToBooleanConverter() -> void
+Dynamo.Controls.ZoomToInverseVisibilityCollapsedConverter
+Dynamo.Controls.ZoomToInverseVisibilityCollapsedConverter.Convert(object value, System.Type targetType, object parameter, System.Globalization.CultureInfo culture) -> object
+Dynamo.Controls.ZoomToInverseVisibilityCollapsedConverter.ConvertBack(object value, System.Type targetType, object parameter, System.Globalization.CultureInfo culture) -> object
+Dynamo.Controls.ZoomToInverseVisibilityCollapsedConverter.ZoomToInverseVisibilityCollapsedConverter() -> void
 Dynamo.Controls.ZoomToOpacityConverter
 Dynamo.Controls.ZoomToOpacityConverter.Convert(object value, System.Type targetType, object parameter, System.Globalization.CultureInfo culture) -> object
 Dynamo.Controls.ZoomToOpacityConverter.ConvertBack(object value, System.Type targetType, object parameter, System.Globalization.CultureInfo culture) -> object
diff --git a/src/DynamoCoreWpf/UI/Converters.cs b/src/DynamoCoreWpf/UI/Converters.cs
@@ -1963,6 +1963,26 @@ public object ConvertBack(object value, Type targetType, object parameter, Syste
         }
     }
 
+    /// <summary>
+    /// Hides (collapses) if the zoom level is smaller than or equal to the designated value
+    /// </summary>
+    public class ZoomToInverseVisibilityCollapsedConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            double number = (double)System.Convert.ChangeType(value, typeof(double));
+
+            if (number <= Configurations.ZoomThreshold)
+                return Visibility.Collapsed;
+            return Visibility.Visible;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            throw new NotSupportedException();
+        }
+    }
+
     public class PortNameToWidthConverter : IValueConverter
     {
         public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
