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// Copyright 2013 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 "chrome/browser/ui/cocoa/omnibox/omnibox_popup_cell.h"
#include <cmath>
namespace {
// How far to offset image column from the left.
const CGFloat kImageXOffset = 5.0;
// How far to offset the text column from the left.
const CGFloat kTextXOffset = 28.0;
// Rounding radius of selection and hover background on popup items.
const CGFloat kCellRoundingRadius = 2.0;
NSColor* SelectedBackgroundColor() {
return [NSColor selectedControlColor];
}
NSColor* HoveredBackgroundColor() {
return [NSColor controlHighlightColor];
}
} // namespace
@implementation OmniboxPopupCell
- (id)init {
self = [super init];
if (self) {
[self setImagePosition:NSImageLeft];
[self setBordered:NO];
[self setButtonType:NSRadioButton];
// Without this highlighting messes up white areas of images.
[self setHighlightsBy:NSNoCellMask];
}
return self;
}
// The default NSButtonCell drawing leaves the image flush left and
// the title next to the image. This spaces things out to line up
// with the star button and autocomplete field.
- (void)drawInteriorWithFrame:(NSRect)cellFrame inView:(NSView *)controlView {
if ([self state] == NSOnState || [self isHighlighted]) {
if ([self state] == NSOnState)
[SelectedBackgroundColor() set];
else
[HoveredBackgroundColor() set];
NSBezierPath* path =
[NSBezierPath bezierPathWithRoundedRect:cellFrame
xRadius:kCellRoundingRadius
yRadius:kCellRoundingRadius];
[path fill];
}
// Put the image centered vertically but in a fixed column.
NSImage* image = [self image];
if (image) {
NSRect imageRect = cellFrame;
imageRect.size = [image size];
imageRect.origin.y +=
std::floor((NSHeight(cellFrame) - NSHeight(imageRect)) / 2.0);
imageRect.origin.x += kImageXOffset;
[image drawInRect:imageRect
fromRect:NSZeroRect // Entire image
operation:NSCompositeSourceOver
fraction:1.0
respectFlipped:YES
hints:nil];
}
// Adjust the title position to be lined up under the field's text.
NSAttributedString* title = [self attributedTitle];
if (title && [title length]) {
NSRect titleRect = cellFrame;
titleRect.size.width -= kTextXOffset;
titleRect.origin.x += kTextXOffset;
[self drawTitle:title withFrame:titleRect inView:controlView];
}
}
@end
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