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#import "MGLAttributionButton.h"
#import "MGLAttributionInfo.h"
#import "NSBundle+MGLAdditions.h"
#import "NSString+MGLAdditions.h"
@implementation MGLAttributionButton
- (instancetype)initWithAttributionInfo:(MGLAttributionInfo *)info {
if (self = [super initWithFrame:NSZeroRect]) {
self.bordered = NO;
self.bezelStyle = NSRegularSquareBezelStyle;
// Extract any prefix consisting of intellectual property symbols.
NSScanner *scanner = [NSScanner scannerWithString:info.title.string];
NSCharacterSet *symbolSet = [NSCharacterSet characterSetWithCharactersInString:@"©℗®℠™ &"];
NSString *symbol;
[scanner scanCharactersFromSet:symbolSet intoString:&symbol];
// Remove the underline from the symbol for aesthetic reasons.
NSMutableAttributedString *title = info.title.mutableCopy;
[title removeAttribute:NSUnderlineStyleAttributeName range:NSMakeRange(0, symbol.length)];
self.attributedTitle = title;
[self sizeToFit];
_URL = info.URL;
if (_URL) {
self.toolTip = _URL.absoluteString;
}
self.target = self;
self.action = @selector(openURL:);
}
return self;
}
- (BOOL)wantsLayer {
return YES;
}
- (void)resetCursorRects {
if (self.URL) {
// The whole button gets a pointing hand cursor, just like a hyperlink.
[self addCursorRect:self.bounds cursor:[NSCursor pointingHandCursor]];
}
}
- (IBAction)openURL:(__unused id)sender {
if (self.URL) {
[[NSWorkspace sharedWorkspace] openURL:self.URL];
}
}
@end
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