Remove CJK font requirement as OS X 10.7 already handles fallback better.

Source/CandidateUI/VTCandidateController.h

@@ -42,7 +42,6 @@
     NSArray *_keyLabels;
     NSFont *_keyLabelFont;
     NSFont *_candidateFont;
-    NSFont *_CJKCandidateFont;
 }
 
 - (void)reloadData;
@@ -65,5 +64,4 @@
 @property (copy, nonatomic) NSArray *keyLabels;
 @property (copy, nonatomic) NSFont *keyLabelFont;
 @property (copy, nonatomic) NSFont *candidateFont;
-@property (copy, nonatomic) NSFont *CJKCandidateFont;
 @end

Source/CandidateUI/VTCandidateController.m

@@ -33,14 +33,12 @@
 @synthesize keyLabels = _keyLabels;
 @synthesize keyLabelFont = _keyLabelFont;
 @synthesize candidateFont = _candidateFont;
-@synthesize CJKCandidateFont = _CJKCandidateFont;
 
 - (void)dealloc
 {
     [_keyLabels release];
     [_keyLabelFont release];
     [_candidateFont release];
-    [_CJKCandidateFont release];
     [super dealloc];
 }
 
@@ -52,7 +50,6 @@
         _keyLabels = [[NSArray arrayWithObjects:@"1", @"2", @"3", @"4", @"5", @"6", @"7", @"8", @"9", nil] retain];
         _keyLabelFont = [[NSFont systemFontOfSize:14.0] retain];
         _candidateFont = [[NSFont systemFontOfSize:18.0] retain];
-        _CJKCandidateFont = [_candidateFont retain];
     }
     
     return self;

Source/CandidateUI/VTHorizontalCandidateController.m

@@ -172,7 +172,7 @@
 
 - (void)layoutCandidateView
 {
-    [_candidateView setKeyLabelFont:_keyLabelFont candidateFont:_candidateFont CJKCandidateFont:_CJKCandidateFont];
+    [_candidateView setKeyLabelFont:_keyLabelFont candidateFont:_candidateFont];
     
     NSMutableArray *candidates = [NSMutableArray array];
     NSUInteger count = [_delegate candidateCountForController:self];

Source/CandidateUI/VTHorizontalCandidateView.h

@@ -37,7 +37,6 @@
     CGFloat _cellPadding;
     NSDictionary *_keyLabelAttrDict;
     NSDictionary *_candidateAttrDict;
-    NSDictionary *_CJKCandidateAttrDict;
     NSArray *_elementWidths;
     NSUInteger _highlightedIndex;
     NSUInteger _trackingHighlightedIndex;
@@ -46,7 +45,7 @@
 }
 
 - (void)setKeyLabels:(NSArray *)labels displayedCandidates:(NSArray *)candidates;
-- (void)setKeyLabelFont:(NSFont *)labelFont candidateFont:(NSFont *)candidateFont CJKCandidateFont:(NSFont *)candidateFontCJK;
+- (void)setKeyLabelFont:(NSFont *)labelFont candidateFont:(NSFont *)candidateFont;
 
 @property (readonly, nonatomic) NSSize sizeForView;
 @property (assign, nonatomic) NSUInteger highlightedIndex;

Source/CandidateUI/VTHorizontalCandidateView.m

@@ -43,7 +43,6 @@ NS_INLINE CGFloat max(CGFloat a, CGFloat b) { return a > b ? a : b; }
     [_displayedCandidates release];
     [_keyLabelAttrDict release];
     [_candidateAttrDict release];
-    [_CJKCandidateAttrDict release];
     [_elementWidths release];
     [super dealloc];
 }
@@ -67,7 +66,6 @@ NS_INLINE CGFloat max(CGFloat a, CGFloat b) { return a > b ? a : b; }
     for (NSUInteger index = 0; index < count; index++) {
         NSRect labelRect = [[_keyLabels objectAtIndex:index] boundingRectWithSize:baseSize options:NSStringDrawingUsesLineFragmentOrigin attributes:_keyLabelAttrDict];
         
-        // TODO: Handle CJK text drawing
         NSRect candidateRect = [[_displayedCandidates objectAtIndex:index] boundingRectWithSize:baseSize options:NSStringDrawingUsesLineFragmentOrigin attributes:_candidateAttrDict];
         
         CGFloat width = max(labelRect.size.width, candidateRect.size.width) + _cellPadding;
@@ -79,7 +77,7 @@ NS_INLINE CGFloat max(CGFloat a, CGFloat b) { return a > b ? a : b; }
     [tmp release];
 }
 
-- (void)setKeyLabelFont:(NSFont *)labelFont candidateFont:(NSFont *)candidateFont CJKCandidateFont:(NSFont *)candidateFontCJK
+- (void)setKeyLabelFont:(NSFont *)labelFont candidateFont:(NSFont *)candidateFont
 {
     NSMutableParagraphStyle *paraStyle = [[[NSParagraphStyle defaultParagraphStyle] mutableCopy] autorelease];
     [paraStyle setAlignment:NSCenterTextAlignment];
@@ -101,17 +99,8 @@ NS_INLINE CGFloat max(CGFloat a, CGFloat b) { return a > b ? a : b; }
                            nil] retain];
     [tmp release];
     
-    tmp = _CJKCandidateAttrDict;
-    _CJKCandidateAttrDict = [[NSDictionary dictionaryWithObjectsAndKeys:
-                              candidateFontCJK, NSFontAttributeName,
-                              paraStyle, NSParagraphStyleAttributeName,
-                              [NSColor textColor], NSForegroundColorAttributeName,
-                              nil] retain];
-    [tmp release];
-
-
     CGFloat labelFontSize = [labelFont pointSize];
-    CGFloat candidateFontSize = max([candidateFont pointSize], [candidateFontCJK pointSize]);
+    CGFloat candidateFontSize = [candidateFont pointSize];
     CGFloat biggestSize = max(labelFontSize, candidateFontSize);
     
     _keyLabelHeight = ceil(labelFontSize * 1.20);

Source/CandidateUI/VTVerticalCandidateController.m

@@ -112,7 +112,7 @@ static const CGFloat kCandidateTextLeftMargin = 8.0;
 
 - (void)reloadData
 {
-    _maxCandidateAttrStringWidth = ceil(max([_candidateFont pointSize], [_CJKCandidateFont pointSize])) * 2.0 + kCandidateTextPadding;
+    _maxCandidateAttrStringWidth = ceil([_candidateFont pointSize] * 2.0 + kCandidateTextPadding);
 
     [_tableView reloadData];
     [self layoutCandidateView];
@@ -199,9 +199,9 @@ static const CGFloat kCandidateTextLeftMargin = 8.0;
 {
     NSString *candidate = [_delegate candidateController:self candidateAtIndex:row];
     
-    // TODO: Handle CJK font fallback
     NSAttributedString *attrString = [[[NSAttributedString alloc] initWithString:candidate attributes:[NSDictionary dictionaryWithObjectsAndKeys:_candidateFont, NSFontAttributeName, _candidateTextParagraphStyle, NSParagraphStyleAttributeName, nil]] autorelease];    
     
+    // we do more work than what this method is expected; normally not a good practice, but for the amount of data (9 to 10 rows max), we can afford the overhead
     
     // expand the window width if text overflows
     NSRect boundingRect = [attrString boundingRectWithSize:NSMakeSize(10240.0, 10240.0) options:NSStringDrawingUsesLineFragmentOrigin];
@@ -236,6 +236,11 @@ static const CGFloat kCandidateTextLeftMargin = 8.0;
         }
     }
 
+    // fix a subtle on 10.7 that, since we force the scroller to appear, scrolling sometimes shows a temporarily "broken" scroll bar (but quickly disappears)
+    if ([_scrollView hasVerticalScroller]) {
+        [[_scrollView verticalScroller] setNeedsDisplay];
+    }
+    
     return attrString;
 }
 
@@ -333,7 +338,7 @@ static const CGFloat kCandidateTextLeftMargin = 8.0;
         return;
     }
     
-    CGFloat candidateFontSize = ceil(max([_candidateFont pointSize], [_CJKCandidateFont pointSize]));
+    CGFloat candidateFontSize = ceil([_candidateFont pointSize]);
     CGFloat keyLabelFontSize = ceil([_keyLabelFont pointSize]);
     CGFloat fontSize = max(candidateFontSize, keyLabelFontSize);
     

Source/InputMethodController.mm

@@ -1024,7 +1024,6 @@ public:
     
     LTCurrentCandidateController.keyLabelFont = [NSFont systemFontOfSize:keyLabelSize];
     LTCurrentCandidateController.candidateFont = [NSFont systemFontOfSize:textSize];
-    LTCurrentCandidateController.CJKCandidateFont = [NSFont systemFontOfSize:textSize];    
     LTCurrentCandidateController.keyLabels = [NSArray arrayWithObjects:@"1", @"2", @"3", @"4", @"5", @"6", @"7", @"8", @"9", nil];
     [self collectCandidates];