From 1645902cce7eaceff4aba3ea01d723240c6ce189 Mon Sep 17 00:00:00 2001
From: "Tadashi G. Takaoka" <takaoka@google.com>
Date: Wed, 26 Sep 2012 12:46:55 +0900
Subject: [PATCH] Postpone gesture start detection on non-letter key

Bug: 7108223
Change-Id: Ie1ead5cec947ddf86c5150dca5b20b224527e511
---
 .../com/android/inputmethod/keyboard/PointerTracker.java   | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/java/src/com/android/inputmethod/keyboard/PointerTracker.java b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
index d6c567ef7..cfd1e09f9 100644
--- a/java/src/com/android/inputmethod/keyboard/PointerTracker.java
+++ b/java/src/com/android/inputmethod/keyboard/PointerTracker.java
@@ -560,10 +560,13 @@ public class PointerTracker implements PointerTrackerQueue.Element {
         return (sPointerTrackerQueue == null) ? 1 : sPointerTrackerQueue.size();
     }
 
-    private void mayStartBatchInput() {
+    private void mayStartBatchInput(final Key key) {
         if (sInGesture || !mGestureStrokeWithPreviewPoints.isStartOfAGesture()) {
             return;
         }
+        if (key == null || !Character.isLetter(key.mCode)) {
+            return;
+        }
         if (DEBUG_LISTENER) {
             Log.d(TAG, "onStartBatchInput");
         }
@@ -742,7 +745,7 @@ public class PointerTracker implements PointerTrackerQueue.Element {
         final int gestureTime = (int)(eventTime - sGestureFirstDownTime);
         if (mIsDetectingGesture) {
             mGestureStrokeWithPreviewPoints.addPoint(x, y, gestureTime, isMajorEvent);
-            mayStartBatchInput();
+            mayStartBatchInput(key);
             if (sInGesture && key != null) {
                 updateBatchInput(eventTime);
             }