From 131e4f78bdc1e036feed1a0aee03cddee25f6e63 Mon Sep 17 00:00:00 2001
From: Daniel Imms <tyriar@tyriar.com>
Date: Sat, 23 Mar 2019 09:08:55 -0700
Subject: [PATCH 1/3] Fix renderer pausing to not full refresh every time

Fixes #1975
---
 src/renderer/Renderer.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/renderer/Renderer.ts b/src/renderer/Renderer.ts
index b8ef87aab4..2c1b516ae5 100644
--- a/src/renderer/Renderer.ts
+++ b/src/renderer/Renderer.ts
@@ -85,6 +85,7 @@ export class Renderer extends EventEmitter implements IRenderer {
     this._isPaused = entry.intersectionRatio === 0;
     if (!this._isPaused && this._needsFullRefresh) {
       this._terminal.refresh(0, this._terminal.rows - 1);
+      this._needsFullRefresh = false;
     }
   }
 

From 4dbe8ec1db2d6005186b547cd2fb87f710aeb48c Mon Sep 17 00:00:00 2001
From: Daniel Imms <tyriar@tyriar.com>
Date: Sat, 23 Mar 2019 10:58:26 -0700
Subject: [PATCH 2/3] Let consumers decide whether winptyCompat should be
 active

---
 demo/client.ts                          | 5 ++++-
 src/addons/winptyCompat/winptyCompat.ts | 6 ------
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/demo/client.ts b/demo/client.ts
index a3a912f630..70996c4a75 100644
--- a/demo/client.ts
+++ b/demo/client.ts
@@ -30,7 +30,10 @@ Terminal.applyAddon(fit);
 Terminal.applyAddon(fullscreen);
 Terminal.applyAddon(search);
 Terminal.applyAddon(webLinks);
-Terminal.applyAddon(winptyCompat);
+const isWindows = ['Windows', 'Win16', 'Win32', 'WinCE'].indexOf(navigator.platform) >= 0;
+if (isWindows) {
+  Terminal.applyAddon(winptyCompat);
+}
 
 
 let term;
diff --git a/src/addons/winptyCompat/winptyCompat.ts b/src/addons/winptyCompat/winptyCompat.ts
index d162f4e921..58f59fd907 100644
--- a/src/addons/winptyCompat/winptyCompat.ts
+++ b/src/addons/winptyCompat/winptyCompat.ts
@@ -13,12 +13,6 @@ const WHITESPACE_CELL_CODE = 32;
 export function winptyCompatInit(terminal: Terminal): void {
   const addonTerminal = <IWinptyCompatAddonTerminal>terminal;
 
-  // Don't do anything when the platform is not Windows
-  const isWindows = ['Windows', 'Win16', 'Win32', 'WinCE'].indexOf(navigator.platform) >= 0;
-  if (!isWindows) {
-    return;
-  }
-
   (addonTerminal._core as any).isWinptyCompatEnabled = true;
 
   // Winpty does not support wraparound mode which means that lines will never

From e346f8bba37ee094f4710cd1c8dc43438fa01a79 Mon Sep 17 00:00:00 2001
From: Daniel Imms <tyriar@tyriar.com>
Date: Fri, 29 Mar 2019 19:46:24 -0700
Subject: [PATCH 3/3] Prevent scroll on focus

Fixes #1981
---
 src/Terminal.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Terminal.ts b/src/Terminal.ts
index 4a85758f06..c2497df440 100644
--- a/src/Terminal.ts
+++ b/src/Terminal.ts
@@ -343,7 +343,7 @@ export class Terminal extends EventEmitter implements ITerminal, IDisposable, II
    */
   public focus(): void {
     if (this.textarea) {
-      this.textarea.focus();
+      this.textarea.focus({ preventScroll: true });
     }
   }