From 4a40657e307e648eeb159cd7973cb57f53c442e2 Mon Sep 17 00:00:00 2001
From: Jeremy Wu <jrywjwu@gmail.com>
Date: Sun, 19 Jul 2015 17:40:20 +0800
Subject: [PATCH] bug fixed on fc when unicode surrogate paris (emoji
 characters) is entered.

---
 .../java/net/toload/main/hd/LIMEService.java  | 21 ++++++++++++++-----
 .../toload/main/hd/global/LIMEUtilities.java  |  9 ++++++++
 .../net/toload/main/hd/limedb/LimeDB.java     |  4 ++--
 3 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/LimeStudio/app/src/main/java/net/toload/main/hd/LIMEService.java b/LimeStudio/app/src/main/java/net/toload/main/hd/LIMEService.java
index 7c325596..567a96a6 100644
--- a/LimeStudio/app/src/main/java/net/toload/main/hd/LIMEService.java
+++ b/LimeStudio/app/src/main/java/net/toload/main/hd/LIMEService.java
@@ -1355,6 +1355,7 @@ && translateKeyDown(keyCode, event)) {
         return super.onKeyUp(keyCode, event);
     }
 
+
     /**
      * Helper function to commit any text being composed in to the editor.
      */
@@ -1362,8 +1363,11 @@ private void commitTyped(InputConnection ic) {
         if (DEBUG)
             Log.i(TAG, "commitTyped()");
         try {
-            if (mComposing.length() > 0   //denotes composing just finished
-                    || (selectedCandidate != null && !selectedCandidate.isComposingCodeRecord() &&!selectedCandidate.isEnglishSuggestionRecord())) { // commit selected candidate if it is not the composing text. '15,6,4 Jeremy
+            if (   (mComposing.length() > 0   //denotes composing just finished
+                    || (selectedCandidate != null && !selectedCandidate.isComposingCodeRecord() )) // commit selected candidate if it is not the composing text. '15,6,4 Jeremy
+                    && selectedCandidate!=null
+                    &&!selectedCandidate.isEnglishSuggestionRecord()
+                    &&!LIMEUtilities.isUnicodeSurrogate(selectedCandidate.getWord())  ) {   //check if it's surrogate characters (emoji) '15,7,19 Jeremy
 
                 if (!mEnglishOnly) { //Jeremy '12,4,29 use mEnglishOnly instead of onIM
                     if (selectedCandidate != null && selectedCandidate.getWord() != null
@@ -1484,8 +1488,9 @@ private void commitTyped(InputConnection ic) {
                             clearComposing(false);
                             updateRelatedPhrase(false);
 
-                            SearchSrv.learnRelatedPhraseAndUpdateScore(committedCandidate);
+
                             if(committedCandidate != null && committedCandidate.getWord() != null){
+                                SearchSrv.learnRelatedPhraseAndUpdateScore(committedCandidate);
                                 SearchSrv.getCodeListStringFromWord(committedCandidate.getWord());  //do reverse lookup and display notification if required.
                             }
 
@@ -1504,8 +1509,14 @@ private void commitTyped(InputConnection ic) {
                 }
 
 
-            }else if(selectedCandidate.isEnglishSuggestionRecord()){ //Jeremy '15,7,16
-                ic.commitText(selectedCandidate.getWord(), selectedCandidate.getWord().length()) ;
+            }else if(selectedCandidate!=null
+                        && selectedCandidate.isEnglishSuggestionRecord() ){
+                ic.commitText(selectedCandidate.getWord(), selectedCandidate.getWord().length());
+                clearComposing(false);
+            }else if(selectedCandidate!=null &&
+                            LIMEUtilities.isUnicodeSurrogate(selectedCandidate.getWord())){ //Jeremy '15,7,16
+                ic.commitText(selectedCandidate.getWord(), 1);
+                clearComposing(false);
             }
         } catch (Exception e) {
             e.printStackTrace();
diff --git a/LimeStudio/app/src/main/java/net/toload/main/hd/global/LIMEUtilities.java b/LimeStudio/app/src/main/java/net/toload/main/hd/global/LIMEUtilities.java
index 89a98e42..0c95d4d3 100644
--- a/LimeStudio/app/src/main/java/net/toload/main/hd/global/LIMEUtilities.java
+++ b/LimeStudio/app/src/main/java/net/toload/main/hd/global/LIMEUtilities.java
@@ -64,6 +64,15 @@
 public class LIMEUtilities {
 	static final String TAG = "LIMEUtilities";
 	static final boolean DEBUG = false;
+
+	public static boolean isUnicodeSurrogate(String word){  // emoji icons are within these surrogate areas
+		if(word!=null && word.length()==2 ){
+			char[] chArray = word.toCharArray();
+			return Character.isSurrogatePair(chArray[0],chArray[1]);
+		}
+		return false;
+
+	}
 	
 	public static File isFileNotExist(String filepath){
 		
diff --git a/LimeStudio/app/src/main/java/net/toload/main/hd/limedb/LimeDB.java b/LimeStudio/app/src/main/java/net/toload/main/hd/limedb/LimeDB.java
index ed3a307f..ed9fb092 100644
--- a/LimeStudio/app/src/main/java/net/toload/main/hd/limedb/LimeDB.java
+++ b/LimeStudio/app/src/main/java/net/toload/main/hd/limedb/LimeDB.java
@@ -2164,9 +2164,9 @@ private Pair<String, String> expandDualCode(String code, String keytablename) {
                     final boolean tonePresent = dualcode.matches(".+[3467 ].*"); // Tone symbols present in any locoation except the first character
                     final boolean toneNotLast = dualcode.matches(".+[3467 ].+"); // Tone symbols present in any locoation except the first and last character
 
-                    if (searchNoToneCode) { //noToneCode (phonetic comibnation without tones) is present
+                    if (searchNoToneCode) { //noToneCode (phonetic combination without tones) is present
                         if (tonePresent) {
-                            //LD phrase if tone symbols present but not in last character or in last character but the lenth > 4 (phonetic combinations never has length >4)
+                            //LD phrase if tone symbols present but not in last character or in last character but the length > 4 (phonetic combinations never has length >4)
                             if (toneNotLast || (dualcode.length() > 4))
                                 noToneCode = dualcode.replaceAll("[3467 ]", "");