From 2275601bf7ce70ba2c10a2103d1439d0060c1879 Mon Sep 17 00:00:00 2001
From: mofux <t.zilz@mofux.org>
Date: Fri, 14 Jul 2017 14:22:30 +0200
Subject: [PATCH 1/5] Removed unused constants from the selection manager

---
 src/SelectionManager.ts | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/src/SelectionManager.ts b/src/SelectionManager.ts
index ac7fd01778..31ee8c2c8f 100644
--- a/src/SelectionManager.ts
+++ b/src/SelectionManager.ts
@@ -27,18 +27,6 @@ const DRAG_SCROLL_MAX_SPEED = 15;
  */
 const DRAG_SCROLL_INTERVAL = 50;
 
-/**
- * The amount of time before mousedown events are no longer stacked to create
- * double/triple click events.
- */
-const CLEAR_MOUSE_DOWN_TIME = 400;
-
-/**
- * The number of pixels in each direction that the mouse must move before
- * mousedown events are no longer stacked to create double/triple click events.
- */
-const CLEAR_MOUSE_DISTANCE = 10;
-
 /**
  * A string containing all characters that are considered word separated by the
  * double click to select work logic.

From 0af4b17c20c384c3985e78d949c08006b88977d4 Mon Sep 17 00:00:00 2001
From: mofux <t.zilz@mofux.org>
Date: Fri, 14 Jul 2017 15:56:14 +0200
Subject: [PATCH 2/5] Guard public selection api

---
 src/xterm.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/xterm.js b/src/xterm.js
index d625a3cfc2..6be1367598 100644
--- a/src/xterm.js
+++ b/src/xterm.js
@@ -1437,7 +1437,7 @@ Terminal.prototype.deregisterLinkMatcher = function(matcherId) {
  * Gets whether the terminal has an active selection.
  */
 Terminal.prototype.hasSelection = function() {
-  return this.selectionManager.hasSelection;
+  return !!(this.selectionManager && this.selectionManager.hasSelection);
 };
 
 /**
@@ -1445,21 +1445,25 @@ Terminal.prototype.hasSelection = function() {
  * behavior outside of xterm.js.
  */
 Terminal.prototype.getSelection = function() {
-  return this.selectionManager.selectionText;
+  return this.selectionManager ? this.selectionManager.selectionText : '';
 };
 
 /**
  * Clears the current terminal selection.
  */
 Terminal.prototype.clearSelection = function() {
-  this.selectionManager.clearSelection();
+  if (this.selectionManager) {
+    this.selectionManager.clearSelection();
+  }
 };
 
 /**
  * Selects all text within the terminal.
  */
 Terminal.prototype.selectAll = function() {
-  this.selectionManager.selectAll();
+  if (this.selectionManager) {
+    this.selectionManager.selectAll();
+  }
 };
 
 /**

From 1cc0d43aa41025bf2f1b46eedad58034a40da004 Mon Sep 17 00:00:00 2001
From: mofux <t.zilz@mofux.org>
Date: Fri, 14 Jul 2017 14:00:55 +0200
Subject: [PATCH 3/5] Clear selection on input

---
 src/xterm.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/xterm.js b/src/xterm.js
index d625a3cfc2..16c88a914c 100644
--- a/src/xterm.js
+++ b/src/xterm.js
@@ -2234,6 +2234,11 @@ Terminal.prototype.handler = function(data) {
     return;
   }
 
+  // Clear the selection
+  if (this.hasSelection()) {
+    this.clearSelection();
+  }
+
   // Input is being sent to the terminal, the terminal should focus the prompt.
   if (this.ybase !== this.ydisp) {
     this.scrollToBottom();

From 1b6ce6dab640bd8ecefff9a5fbafd7fa79d9ac57 Mon Sep 17 00:00:00 2001
From: mofux <t.zilz@mofux.org>
Date: Fri, 14 Jul 2017 15:18:12 +0200
Subject: [PATCH 4/5] Make sure selection manager is available (only after
 open() was called)

---
 src/xterm.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/xterm.js b/src/xterm.js
index 16c88a914c..c18277e7ea 100644
--- a/src/xterm.js
+++ b/src/xterm.js
@@ -2234,9 +2234,9 @@ Terminal.prototype.handler = function(data) {
     return;
   }
 
-  // Clear the selection
-  if (this.hasSelection()) {
-    this.clearSelection();
+  // Clear the selection if the selection manager is available and has an active selection
+  if (this.selectionManager && this.selectionManager.hasSelection) {
+    this.selectionManager.clearSelection();
   }
 
   // Input is being sent to the terminal, the terminal should focus the prompt.

From 6df6aad3038b6c56b21c0e4f42151eedb5406243 Mon Sep 17 00:00:00 2001
From: mofux <t.zilz@mofux.org>
Date: Fri, 14 Jul 2017 18:41:55 +0200
Subject: [PATCH 5/5] Improve guard expression for hasSelection

---
 src/xterm.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/xterm.js b/src/xterm.js
index 6be1367598..f82d46b5ed 100644
--- a/src/xterm.js
+++ b/src/xterm.js
@@ -1437,7 +1437,7 @@ Terminal.prototype.deregisterLinkMatcher = function(matcherId) {
  * Gets whether the terminal has an active selection.
  */
 Terminal.prototype.hasSelection = function() {
-  return !!(this.selectionManager && this.selectionManager.hasSelection);
+  return this.selectionManager ? this.selectionManager.hasSelection : false;
 };
 
 /**