blob: 80942a61f8f6b7ffb26be5808b675a6027b0aacd [file] [log] [blame]
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ui/gfx/decorated_text_mac.h"
#import <Cocoa/Cocoa.h>
#import "base/mac/scoped_nsobject.h"
#include "base/strings/sys_string_conversions.h"
#include "ui/gfx/decorated_text.h"
namespace gfx {
NSAttributedString* GetAttributedStringFromDecoratedText(
const DecoratedText& decorated_text) {
base::scoped_nsobject<NSMutableAttributedString> str(
[[NSMutableAttributedString alloc]
initWithString:base::SysUTF16ToNSString(decorated_text.text)]);
[str beginEditing];
NSValue* const line_style =
@(NSUnderlineStyleSingle | NSUnderlinePatternSolid);
for (const auto& attribute : decorated_text.attributes) {
DCHECK(!attribute.range.is_reversed());
DCHECK_LE(attribute.range.end(), [str length]);
NSMutableDictionary* attrs = [NSMutableDictionary dictionary];
NSRange range = attribute.range.ToNSRange();
if (attribute.font.GetNativeFont())
attrs[NSFontAttributeName] = attribute.font.GetNativeFont();
// NSFont does not have underline as an attribute. Hence handle it
// separately.
const bool underline = attribute.font.GetStyle() & gfx::Font::UNDERLINE;
if (underline)
attrs[NSUnderlineStyleAttributeName] = line_style;
if (attribute.strike)
attrs[NSStrikethroughStyleAttributeName] = line_style;
[str setAttributes:attrs range:range];
}
[str endEditing];
return str.autorelease();
}
} // namespace gfx