From 35a9dc5ba11365e849dc7c76c9099bab4a67ea34 Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Sun, 9 Jun 2013 00:24:20 +0400
Subject: [PATCH] hide the popup when editor is scrolled

---
 lib/ace/autocomplete.js | 67 ++++++++++++++++++++---------------------
 1 file changed, 32 insertions(+), 35 deletions(-)

diff --git a/lib/ace/autocomplete.js b/lib/ace/autocomplete.js
index d2e8b4c7..1e65fc6b 100644
--- a/lib/ace/autocomplete.js
+++ b/lib/ace/autocomplete.js
@@ -43,6 +43,7 @@ var Autocomplete = function() {
     this.blurListener = this.blurListener.bind(this);
     this.changeListener = this.changeListener.bind(this);
     this.mousedownListener = this.mousedownListener.bind(this);
+    this.mousewheelListener = this.mousewheelListener.bind(this);
 };
 
 (function() {
@@ -82,12 +83,12 @@ var Autocomplete = function() {
         if (this.popup)
             this.popup.hide();
 
-        this.editor.completer.activated = false;
+        this.activated = false;
     };
 
     this.changeListener = function(e) {
-        if (this.editor.completer.activated)
-            this.complete(this.editor);
+        if (this.activated)
+            this.showPopup(this.editor);
         else
             this.detach();
     };
@@ -98,13 +99,11 @@ var Autocomplete = function() {
     };
 
     this.mousedownListener = function(e) {
-        var mouseX = e.clientX, mouseY = e.clientY;
-        var newRow = this.editor.renderer.pixelToScreenCoordinates(mouseX, mouseY).row;
-        var currentRow = e.editor.getCursorPosition().row;
+        this.detach();
+    };
 
-        if (newRow !== currentRow) {
-            this.detach();
-        }
+    this.mousewheelListener = function(e) {
+        this.detach();
     };
 
     this.goTo = function(where) {
@@ -126,15 +125,16 @@ var Autocomplete = function() {
         if (!data)
             data = this.popup.getData(this.popup.getRow());
         if (!data)
-			return false;
-		if (data.completer && data.completer.insertMatch) {
-			data.completer.insertMatch(this.editor);
-		} else {
-			if (data.value)
-				data = data.value;
-			this.editor.removeWordLeft();
-			this.editor.insert(data);
-		}
+            return false;
+        if (data.completer && data.completer.insertMatch) {
+            data.completer.insertMatch(this.editor);
+        } else {
+            if (data.value)
+                data = data.value;
+            if (data.prefix)
+            this.editor.removeWordLeft();
+            this.editor.insert(data);
+        }
     };
 
     this.commands = {
@@ -153,13 +153,13 @@ var Autocomplete = function() {
         "PageDown": function(editor) { editor.completer.popup.gotoPageUp(); }
     };
 
-	this.getCompletions = function(editor, callback) {
+    this.gatherCompletions = function(editor, callback) {
         var session = editor.getSession();
         var pos = editor.getCursorPosition();
 
         var line = session.getLine(pos.row);
         var prefix = util.retrievePrecedingIdentifier(line, pos.column);
-        
+
         var matches = [];
         util.parForEach(editor.completers, function(completer, next) {
             completer.getCompletions(session, pos, prefix, function(err, results) {
@@ -178,8 +178,8 @@ var Autocomplete = function() {
         });
         return true;
     };
-	
-    this.complete = function(editor) {
+
+    this.showPopup = function(editor) {
         if (this.editor)
             this.detach();
 
@@ -195,20 +195,20 @@ var Autocomplete = function() {
         editor.on("blur", this.blurListener);
         editor.on("mousedown", this.mousedownListener);
 
-        this.getCompletions(this.editor, function(err, results) {
-			var matches = results && results.matches;
-			if (!matches || !matches.length)
-				return this.detach();
-			if (matches.length == 1)
-				return this.insertMatch(matches[0]);
+        this.gatherCompletions(this.editor, function(err, results) {
+            var matches = results && results.matches;
+            if (!matches || !matches.length)
+                return this.detach();
+            if (matches.length == 1)
+                return this.insertMatch(matches[0]);
 
-			this.completions = new FilteredList(matches);
+            this.completions = new FilteredList(matches);
             this.completions.setFilter(results.prefix);
             this.openPopup(editor);
             this.popup.setHighlight(results.prefix);
-		}.bind(this));
+        }.bind(this));
     };
-    
+
     this.cancelContextMenu = function() {
         var stop = function(e) {
             this.editor.off("nativecontextmenu", stop);
@@ -218,8 +218,6 @@ var Autocomplete = function() {
         setTimeout(stop, 10);
         this.editor.on("nativecontextmenu", stop);
     };
-	
-	this.completers = [];
 
 }).call(Autocomplete.prototype);
 
@@ -228,8 +226,7 @@ Autocomplete.startCommand = {
     exec: function(editor) {
         if (!editor.completer)
             editor.completer = new Autocomplete();
-        editor.completer.complete(editor);
-        editor.completer.activated = true;
+        editor.completer.showPopup(editor);
         // needed for firefox on mac
         editor.completer.cancelContextMenu();
     },