From 9a2ee70af8b4ee1923f22c9003486ffa723e3cae Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Sun, 24 Nov 2013 16:18:13 +0400
Subject: [PATCH] allow starting and cancelling mouse capture from outside

---
 lib/ace/lib/event.js           | 2 ++
 lib/ace/mouse/mouse_handler.js | 8 +++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/ace/lib/event.js b/lib/ace/lib/event.js
index 691d0019..4d407dfc 100644
--- a/lib/ace/lib/event.js
+++ b/lib/ace/lib/event.js
@@ -112,6 +112,8 @@ exports.capture = function(el, eventHandler, releaseCaptureHandler) {
     exports.addListener(document, "mousemove", eventHandler, true);
     exports.addListener(document, "mouseup", onMouseUp, true);
     exports.addListener(document, "dragstart", onMouseUp, true);
+    
+    return onMouseUp;
 };
 
 exports.addMouseWheelListener = function(el, callback) {
diff --git a/lib/ace/mouse/mouse_handler.js b/lib/ace/mouse/mouse_handler.js
index 2565bd19..d9f6188f 100644
--- a/lib/ace/mouse/mouse_handler.js
+++ b/lib/ace/mouse/mouse_handler.js
@@ -115,6 +115,8 @@ var MouseHandler = function(editor) {
             self.x = e.clientX;
             self.y = e.clientY;
             mouseMoveHandler && mouseMoveHandler(e);
+            self.mouseEvent = new MouseEvent(e, self.editor);
+            self.$mouseMoved = true;
         };
 
         var onCaptureEnd = function(e) {
@@ -127,20 +129,24 @@ var MouseHandler = function(editor) {
                 renderer.$moveTextAreaToCursor();
             }
             self.isMousePressed = false;
+            self.$onCaptureMouseMove = self.releaseMouse = null;
             self.onMouseEvent("mouseup", e);
         };
 
         var onCaptureInterval = function() {
             self[self.state] && self[self.state]();
+            self.$mouseMoved = false;
         };
 
         if (useragent.isOldIE && ev.domEvent.type == "dblclick") {
             return setTimeout(function() {onCaptureEnd(ev);});
         }
 
-        event.capture(this.editor.container, onMouseMove, onCaptureEnd);
+        self.$onCaptureMouseMove = onMouseMove;
+        self.releaseMouse = event.capture(this.editor.container, onMouseMove, onCaptureEnd);
         var timerId = setInterval(onCaptureInterval, 20);
     };
+    this.releaseMouse = null;
 }).call(MouseHandler.prototype);
 
 config.defineOptions(MouseHandler.prototype, "mouseHandler", {