Fix "Widget is disposed" error in StackRenderer

BeckerWdf · BeckerWdf · commit 8a1914517c73 · 2023-07-26T09:22:54.000+02:00
Fixes: #777
diff --git a/bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/StackRenderer.java b/bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/StackRenderer.java
@@ -253,7 +253,8 @@ void subscribePerspectiveSwitched(
 	}
 
 	private void setOnboarding(MPerspective perspective) {
-		if (onboardingImage == null || onboardingText == null) {
+		if (onboardingImage == null || onboardingText == null || onboardingComposite == null
+				|| onboardingComposite.isDisposed()) {
 			return;
 		}
 

Original file line number	Diff line number	Diff line change
`@@ -253,7 +253,8 @@ void subscribePerspectiveSwitched(`
`253`	`253`	`}`
`254`	`254`
`255`	`255`	`private void setOnboarding(MPerspective perspective) {`
`256`		`- if (onboardingImage == null \|\| onboardingText == null) {`
	`256`	`+ if (onboardingImage == null \|\| onboardingText == null \|\| onboardingComposite == null`
	`257`	`+ \|\| onboardingComposite.isDisposed()) {`
`257`	`258`	`return;`
`258`	`259`	`}`
`259`	`260`