Parse EnterPressControl for text boxes in INItializableWindows

Author: Rampastring

src/TSMapEditor/UI/Controls/INItializableWindow.cs

@@ -248,7 +248,7 @@ private void ReadLateAttributesForControl(XNAControl control)
                 {
                     // This logic should also be enabled for other types in the future,
                     // but it requires changes in XNAUI
-                    if (child is XNATextBox)
+                    if (child is XNATextBox textBox)
                     {
                         string nextControl = childSection.GetStringValue("NextControl", null);
 
@@ -257,7 +257,7 @@ private void ReadLateAttributesForControl(XNAControl control)
                             var otherChild = children.Find(c => c.Name == nextControl);
                             if (otherChild != null)
                             {
-                                ((XNATextBox)child).NextControl = otherChild;
+                                textBox.NextControl = otherChild;
 
                                 if (otherChild is XNATextBox otherAsTb)
                                 {
@@ -272,7 +272,15 @@ private void ReadLateAttributesForControl(XNAControl control)
                         {
                             var otherChild = children.Find(c => c.Name == previousControl);
                             if (otherChild != null)
-                                ((XNATextBox)child).PreviousControl = otherChild;
+                                textBox.PreviousControl = otherChild;
+                        }
+
+                        string enterPressControl = childSection.GetStringValue("EnterPressControl", null);
+                        if (!string.IsNullOrWhiteSpace(enterPressControl))
+                        {
+                            var otherChild = children.Find(c => c.Name == enterPressControl);
+                            if (otherChild != null)
+                                textBox.EnterPressed += (s, e) => otherChild.OnLeftClick(new InputEventArgs());
                         }
                     }