Merge branch 'treenode-guidelines' of https://github.com/Tryibion/Fla…

…xEngine into Tryibion-treenode-guidelines
FlaxEngine · May 15, 2024 · 1c7f06e · 1c7f06e
2 parents 63cc0fe + fc7628e
commit 1c7f06e
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Showing 2 changed files with 39 additions and 0 deletions.
diff --git a/Source/Editor/GUI/Tree/TreeNode.cs b/Source/Editor/GUI/Tree/TreeNode.cs
@@ -698,6 +698,38 @@ public override void Draw()
                 }
             }
 
+            // Show tree guide lines
+            if (Editor.Instance.Options.Options.Interface.ShowTreeLines)
+            {
+                TreeNode parentNode = Parent as TreeNode;
+                bool thisNodeIsLast = false;
+                while (parentNode != null && parentNode != ParentTree.Children[0])
+                {
+                    float bottomOffset = 0;
+                    float topOffset = 0;
+
+                    if (Parent == parentNode && this == Parent.Children[0])
+                        topOffset = 2;
+
+                    if (thisNodeIsLast && parentNode.Children.Count == 1)
+                        bottomOffset = topOffset != 0 ? 4 : 2;
+
+                    if (Parent == parentNode && this == Parent.Children[Parent.Children.Count - 1] && !_opened)
+                    {
+                        thisNodeIsLast = true;
+                        bottomOffset = topOffset != 0 ? 4 : 2;
+                    }
+
+                    float leftOffset = 9;
+                    // Adjust offset for icon image
+                    if (_iconCollaped.IsValid)
+                        leftOffset += 18;
+                    var lineRect1 = new Rectangle(parentNode.TextRect.Left - leftOffset, parentNode.HeaderRect.Top + topOffset, 1, parentNode.HeaderRect.Height - bottomOffset);
+                    Render2D.FillRectangle(lineRect1, isSelected ? style.ForegroundGrey : style.LightBackground);
+                    parentNode = parentNode.Parent as TreeNode;
+                }
+            }
+
             // Base
             if (_opened)
             {

diff --git a/Source/Editor/Options/InterfaceOptions.cs b/Source/Editor/Options/InterfaceOptions.cs
@@ -210,6 +210,13 @@ public enum ValueFormattingType
         [EditorDisplay("Interface"), EditorOrder(310)]
         public bool SeparateValueAndUnit { get; set; }
 
+        /// <summary>
+        /// Gets or sets the option to put a space between numbers and units for unit formatting.
+        /// </summary>
+        [DefaultValue(true)]
+        [EditorDisplay("Interface"), EditorOrder(320)]
+        public bool ShowTreeLines { get; set; } = true;
+
         /// <summary>
         /// Gets or sets the timestamps prefix mode for output log messages.
         /// </summary>