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Diffstat (limited to 'WebKit/mac/Misc/WebStringTruncator.mm')
-rw-r--r-- | WebKit/mac/Misc/WebStringTruncator.mm | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/WebKit/mac/Misc/WebStringTruncator.mm b/WebKit/mac/Misc/WebStringTruncator.mm new file mode 100644 index 0000000..fb31bbb --- /dev/null +++ b/WebKit/mac/Misc/WebStringTruncator.mm @@ -0,0 +1,93 @@ +/* + * Copyright (C) 2005, 2006 Apple Computer, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#import "WebStringTruncator.h" + +#import "WebSystemInterface.h" +#import <WebCore/Font.h> +#import <WebCore/FontPlatformData.h> +#import <WebCore/PlatformString.h> +#import <WebCore/StringTruncator.h> +#import <wtf/StdLibExtras.h> + +using namespace WebCore; + +static NSFont *defaultMenuFont() +{ + static NSFont *defaultMenuFont = nil; + if (!defaultMenuFont) { + defaultMenuFont = [NSFont menuFontOfSize:0]; + CFRetain(defaultMenuFont); + } + return defaultMenuFont; +} + +static Font& fontFromNSFont(NSFont *font) +{ + static NSFont *currentFont; + DEFINE_STATIC_LOCAL(Font, currentRenderer, ()); + + if ([font isEqual:currentFont]) + return currentRenderer; + if (currentFont) + CFRelease(currentFont); + currentFont = font; + CFRetain(currentFont); + FontPlatformData f(font); + currentRenderer = Font(f, ![[NSGraphicsContext currentContext] isDrawingToScreen]); + return currentRenderer; +} + +@implementation WebStringTruncator + ++ (void)initialize +{ + InitWebCoreSystemInterface(); +} + ++ (NSString *)centerTruncateString:(NSString *)string toWidth:(float)maxWidth +{ + return StringTruncator::centerTruncate(string, maxWidth, fontFromNSFont(defaultMenuFont())); +} + ++ (NSString *)centerTruncateString:(NSString *)string toWidth:(float)maxWidth withFont:(NSFont *)font +{ + return StringTruncator::centerTruncate(string, maxWidth, fontFromNSFont(font)); +} + ++ (NSString *)rightTruncateString:(NSString *)string toWidth:(float)maxWidth withFont:(NSFont *)font +{ + return StringTruncator::rightTruncate(string, maxWidth, fontFromNSFont(font)); +} + ++ (float)widthOfString:(NSString *)string font:(NSFont *)font +{ + return StringTruncator::width(string, fontFromNSFont(font)); +} + +@end |