delay frontend init if not focused (fixes #1147, fixes #1137)

terminus-core/src/components/splitTab.component.ts

@@ -189,7 +189,11 @@ export class SplitTabComponent extends BaseTabComponent implements OnInit, OnDes
 
         this.focused$.subscribe(() => {
             this.getAllTabs().forEach(x => x.emitFocused())
-            this.focus(this.focusedTab)
+            if (this.focusedTab) {
+                this.focus(this.focusedTab)
+            } else {
+                this.focusAnyIn(this.root)
+            }
         })
         this.blurred$.subscribe(() => this.getAllTabs().forEach(x => x.emitBlurred()))
 
@@ -235,8 +239,10 @@ export class SplitTabComponent extends BaseTabComponent implements OnInit, OnDes
             await this.recoverContainer(this.root, this._recoveredState)
             this.layout()
             setImmediate(() => {
-                this.getAllTabs().forEach(x => x.emitFocused())
-                this.focusAnyIn(this.root)
+                if (this.hasFocus) {
+                    this.getAllTabs().forEach(x => x.emitFocused())
+                    this.focusAnyIn(this.root)
+                }
             })
         }
     }

terminus-terminal/src/api/baseTerminalTab.component.ts

@@ -174,15 +174,17 @@ export class BaseTerminalTabComponent extends BaseTabComponent implements OnInit
             this.session.releaseInitialDataBuffer()
         })
 
-        this.frontend.configure()
-
-        if (this.hasFocus) {
-            this.frontend.attach(this.content.nativeElement)
-        } else {
-            this.focused$.pipe(first()).subscribe(() => {
+        setImmediate(() => {
+            if (this.hasFocus) {
                 this.frontend.attach(this.content.nativeElement)
-            })
-        }
+                this.frontend.configure()
+            } else {
+                this.focused$.pipe(first()).subscribe(() => {
+                    this.frontend.attach(this.content.nativeElement)
+                    this.frontend.configure()
+                })
+            }
+        })
 
         this.attachTermContainerHandlers()