Ensure cast to ExpandableItem is possible (#1598)

jeremypw · web-flow · commit b51e0e78cfd0 · 2025-06-17T17:36:06.000+01:00
diff --git a/src/SymbolPane/Vala/ValaSymbolOutline.vala b/src/SymbolPane/Vala/ValaSymbolOutline.vala
@@ -147,7 +147,9 @@ public class Scratch.Services.ValaSymbolOutline : Scratch.Services.SymbolOutline
 
     protected override void add_tooltips (Code.Widgets.SourceList.ExpandableItem root) {
         foreach (var parent in root.children) {
-            add_tooltip ((Code.Widgets.SourceList.ExpandableItem) parent);
+            if (parent is Code.Widgets.SourceList.ExpandableItem) {
+                add_tooltip ((Code.Widgets.SourceList.ExpandableItem) parent);
+            }
         }
     }
 

Original file line number	Diff line number	Diff line change
`@@ -147,7 +147,9 @@ public class Scratch.Services.ValaSymbolOutline : Scratch.Services.SymbolOutline`
`147`	`147`
`148`	`148`	`protected override void add_tooltips (Code.Widgets.SourceList.ExpandableItem root) {`
`149`	`149`	`foreach (var parent in root.children) {`
`150`		`- add_tooltip ((Code.Widgets.SourceList.ExpandableItem) parent);`
	`150`	`+ if (parent is Code.Widgets.SourceList.ExpandableItem) {`
	`151`	`+ add_tooltip ((Code.Widgets.SourceList.ExpandableItem) parent);`
	`152`	`+ }`
`151`	`153`	`}`
`152`	`154`	`}`
`153`	`155`