Fix bug where label is not properly aligned

SquirrelPanel.m

@@ -135,15 +135,16 @@ @implementation SquirrelPanel {
   NSTimer *_statusTimer;
 }
 
-- (void)convertToVerticalGlyph:(NSMutableAttributedString *)originalText {
+- (void)convertToVerticalGlyph:(NSMutableAttributedString *)originalText inRange:(NSRange)stringRange {
   // Use the width of the character to determin if they should be upright in vertical writing mode.
   // Adjust font base line for better alignment.
   const NSAttributedString *cjkChar = [[NSAttributedString alloc] initWithString:@"漢" attributes:_attrs];
   const NSRect cjkRect = [cjkChar boundingRectWithSize:NSMakeSize(0, 0) options:NULL];
   const NSAttributedString *hangulChar = [[NSAttributedString alloc] initWithString:@"한" attributes:_attrs];
   const NSSize hangulSize = [hangulChar boundingRectWithSize:NSMakeSize(0, 0) options:NULL].size;
-  NSUInteger i = 0;
-  while (i < originalText.length) {
+  stringRange = [originalText.string rangeOfComposedCharacterSequencesForRange:stringRange];
+  NSUInteger i = stringRange.location;
+  while (i < stringRange.location+stringRange.length) {
     NSRange range = [originalText.string rangeOfComposedCharacterSequenceAtIndex:i];
     i = range.location + range.length;
     NSRect charRect = [[originalText attributedSubstringFromRange:range] boundingRectWithSize:NSMakeSize(0, 0) options:NULL];
@@ -400,7 +401,7 @@ - (void)showPreedit:(NSString *)preedit
     [text appendAttributedString:line];
 
     if (_vertical) {
-      [self convertToVerticalGlyph:text];
+      [self convertToVerticalGlyph:text inRange:NSMakeRange(0, line.length)];
     }
     [text addAttribute:NSParagraphStyleAttributeName
                  value:_preeditParagraphStyle
@@ -456,7 +457,7 @@ - (void)showPreedit:(NSString *)preedit
                         attributes:labelAttrs]];
       // get the label size for indent
       if (_vertical) {
-        [self convertToVerticalGlyph:line];
+        [self convertToVerticalGlyph:line inRange:NSMakeRange(0, line.length)];
         labelWidth = [line boundingRectWithSize:NSMakeSize(0.0, 0.0) options:NSStringDrawingUsesLineFragmentOrigin].size.width;
       }
     }
@@ -509,7 +510,7 @@ - (void)showPreedit:(NSString *)preedit
     }
 
     if (_vertical) {
-      [self convertToVerticalGlyph:line];
+      [self convertToVerticalGlyph:line inRange:NSMakeRange(candidateStart, line.length-candidateStart)];
     }
     NSMutableParagraphStyle *paragraphStyleCandidate = [_paragraphStyle mutableCopy];
     paragraphStyleCandidate.headIndent = labelWidth;