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https://github.com/transmission/transmission
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103 lines
3.5 KiB
Text
103 lines
3.5 KiB
Text
// This file Copyright © 2007-2023 Transmission authors and contributors.
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// It may be used under the MIT (SPDX: MIT) license.
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// License text can be found in the licenses/ folder.
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#import "DragOverlayView.h"
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static CGFloat const kPadding = 10.0;
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static CGFloat const kIconWidth = 64.0;
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@interface DragOverlayView ()
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@property(nonatomic) NSImage* fBadge;
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@property(nonatomic, readonly) NSDictionary* fMainLineAttributes;
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@property(nonatomic, readonly) NSDictionary* fSubLineAttributes;
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@end
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@implementation DragOverlayView
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- (instancetype)initWithFrame:(NSRect)frame
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{
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if ((self = [super initWithFrame:frame]))
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{
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//create attributes
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NSShadow* stringShadow = [[NSShadow alloc] init];
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stringShadow.shadowOffset = NSMakeSize(2.0, -2.0);
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stringShadow.shadowBlurRadius = 4.0;
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NSFont *bigFont = [NSFont boldSystemFontOfSize:18.0], *smallFont = [NSFont systemFontOfSize:14.0];
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NSMutableParagraphStyle* paragraphStyle = [NSParagraphStyle.defaultParagraphStyle mutableCopy];
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paragraphStyle.lineBreakMode = NSLineBreakByTruncatingMiddle;
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_fMainLineAttributes = @{
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NSForegroundColorAttributeName : NSColor.whiteColor,
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NSFontAttributeName : bigFont,
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NSShadowAttributeName : stringShadow,
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NSParagraphStyleAttributeName : paragraphStyle
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};
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_fSubLineAttributes = @{
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NSForegroundColorAttributeName : NSColor.whiteColor,
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NSFontAttributeName : smallFont,
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NSShadowAttributeName : stringShadow,
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NSParagraphStyleAttributeName : paragraphStyle
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};
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}
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return self;
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}
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- (void)setOverlay:(NSImage*)icon mainLine:(NSString*)mainLine subLine:(NSString*)subLine
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{
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//create badge
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NSRect const badgeRect = NSMakeRect(0.0, 0.0, 325.0, 84.0);
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self.fBadge = [[NSImage alloc] initWithSize:badgeRect.size];
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[self.fBadge lockFocus];
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NSBezierPath* bp = [NSBezierPath bezierPathWithRoundedRect:badgeRect xRadius:15.0 yRadius:15.0];
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[[NSColor colorWithCalibratedWhite:0.0 alpha:0.75] set];
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[bp fill];
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//place icon
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[icon drawInRect:NSMakeRect(kPadding, (NSHeight(badgeRect) - kIconWidth) * 0.5, kIconWidth, kIconWidth) fromRect:NSZeroRect
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operation:NSCompositingOperationSourceOver
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fraction:1.0];
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//place main text
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NSSize const mainLineSize = [mainLine sizeWithAttributes:self.fMainLineAttributes];
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NSSize const subLineSize = [subLine sizeWithAttributes:self.fSubLineAttributes];
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NSRect lineRect = NSMakeRect(
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kPadding + kIconWidth + 5.0,
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(NSHeight(badgeRect) + (subLineSize.height + 2.0 - mainLineSize.height)) * 0.5,
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NSWidth(badgeRect) - (kPadding + kIconWidth + 2.0) - kPadding,
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mainLineSize.height);
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[mainLine drawInRect:lineRect withAttributes:self.fMainLineAttributes];
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//place sub text
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lineRect.origin.y -= subLineSize.height + 2.0;
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lineRect.size.height = subLineSize.height;
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[subLine drawInRect:lineRect withAttributes:self.fSubLineAttributes];
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[self.fBadge unlockFocus];
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self.needsDisplay = YES;
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}
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- (void)drawRect:(NSRect)rect
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{
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if (self.fBadge)
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{
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NSRect const frame = self.frame;
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NSSize const imageSize = self.fBadge.size;
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[self.fBadge drawAtPoint:NSMakePoint((NSWidth(frame) - imageSize.width) * 0.5, (NSHeight(frame) - imageSize.height) * 0.5)
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fromRect:NSZeroRect
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operation:NSCompositingOperationSourceOver
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fraction:1.0];
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}
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}
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@end
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