From 6fa5ab5eb2ccc0d7db551f1155eef4b1c4961a7e Mon Sep 17 00:00:00 2001
From: Eugene Pankov <john.pankov@gmail.com>
Date: Thu, 20 Sep 2018 12:12:57 +0200
Subject: [PATCH] scroll terminal to bottom on user input

---
 terminus-terminal/src/components/terminalTab.component.ts | 1 +
 terminus-terminal/src/frontends/frontend.ts               | 1 +
 terminus-terminal/src/frontends/htermFrontend.ts          | 4 ++++
 terminus-terminal/src/frontends/xtermFrontend.ts          | 4 ++++
 4 files changed, 10 insertions(+)

diff --git a/terminus-terminal/src/components/terminalTab.component.ts b/terminus-terminal/src/components/terminalTab.component.ts
index eedf4050..be7051e4 100644
--- a/terminus-terminal/src/components/terminalTab.component.ts
+++ b/terminus-terminal/src/components/terminalTab.component.ts
@@ -292,6 +292,7 @@ export class TerminalTabComponent extends BaseTabComponent {
 
     sendInput (data: string) {
         this.session.write(data)
+        this.frontend.scrollToBottom()
     }
 
     write (data: string) {
diff --git a/terminus-terminal/src/frontends/frontend.ts b/terminus-terminal/src/frontends/frontend.ts
index 253a9d3c..4e0550c5 100644
--- a/terminus-terminal/src/frontends/frontend.ts
+++ b/terminus-terminal/src/frontends/frontend.ts
@@ -52,6 +52,7 @@ export abstract class Frontend {
     abstract write (data: string): void
     abstract clear (): void
     abstract visualBell (): void
+    abstract scrollToBottom (): void
 
     abstract configure (configStore: any): void
     abstract setZoom (zoom: number): void
diff --git a/terminus-terminal/src/frontends/htermFrontend.ts b/terminus-terminal/src/frontends/htermFrontend.ts
index 5023cae2..829f807e 100644
--- a/terminus-terminal/src/frontends/htermFrontend.ts
+++ b/terminus-terminal/src/frontends/htermFrontend.ts
@@ -141,6 +141,10 @@ export class HTermFrontend extends Frontend {
         }, 125)
     }
 
+    scrollToBottom (): void {
+        this.term.scrollEnd()
+    }
+
     private setFontSize () {
         preferenceManager.set('font-size', this.configuredFontSize * Math.pow(1.1, this.zoom))
     }
diff --git a/terminus-terminal/src/frontends/xtermFrontend.ts b/terminus-terminal/src/frontends/xtermFrontend.ts
index 6f6cf129..f05cfac6 100644
--- a/terminus-terminal/src/frontends/xtermFrontend.ts
+++ b/terminus-terminal/src/frontends/xtermFrontend.ts
@@ -77,6 +77,10 @@ export class XTermFrontend extends Frontend {
         (this.xterm as any).bell()
     }
 
+    scrollToBottom (): void {
+        this.xterm.scrollToBottom()
+    }
+
     configure (config: any): void {
         this.xterm.setOption('fontFamily', `"${config.terminal.font}", "monospace-fallback", monospace`)
         this.xterm.setOption('bellStyle', config.terminal.bell)
-- 
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