transmission/macosx/DragOverlayView.m

122 lines
4.7 KiB
Objective-C

/******************************************************************************
* $Id$
*
* Copyright (c) 2007-2011 Transmission authors and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#import "DragOverlayView.h"
#define PADDING 10.0
#define ICON_WIDTH 64.0
@implementation DragOverlayView
- (id) initWithFrame: (NSRect) frame
{
if ((self = [super initWithFrame: frame]))
{
//create attributes
NSShadow * stringShadow = [[NSShadow alloc] init];
[stringShadow setShadowOffset: NSMakeSize(2.0, -2.0)];
[stringShadow setShadowBlurRadius: 4.0];
NSFont * bigFont = [NSFont boldSystemFontOfSize: 18.0],
* smallFont = [NSFont systemFontOfSize: 14.0];
NSMutableParagraphStyle * paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
[paragraphStyle setLineBreakMode: NSLineBreakByTruncatingMiddle];
fMainLineAttributes = [[NSDictionary alloc] initWithObjectsAndKeys:
[NSColor whiteColor], NSForegroundColorAttributeName,
bigFont, NSFontAttributeName, stringShadow, NSShadowAttributeName,
paragraphStyle, NSParagraphStyleAttributeName, nil];
fSubLineAttributes = [[NSDictionary alloc] initWithObjectsAndKeys:
[NSColor whiteColor], NSForegroundColorAttributeName,
smallFont, NSFontAttributeName, stringShadow, NSShadowAttributeName,
paragraphStyle, NSParagraphStyleAttributeName, nil];
[stringShadow release];
[paragraphStyle release];
}
return self;
}
- (void) dealloc
{
[fBadge release];
[fMainLineAttributes release];
[fSubLineAttributes release];
[super dealloc];
}
- (void) setOverlay: (NSImage *) icon mainLine: (NSString *) mainLine subLine: (NSString *) subLine
{
[fBadge release];
//create badge
const NSRect badgeRect = NSMakeRect(0.0, 0.0, 325.0, 84.0);
fBadge = [[NSImage alloc] initWithSize: badgeRect.size];
[fBadge lockFocus];
NSBezierPath * bp = [NSBezierPath bezierPathWithRoundedRect: badgeRect xRadius: 15.0 yRadius: 15.0];
[[NSColor colorWithCalibratedWhite: 0.0 alpha: 0.75] set];
[bp fill];
//place icon
[icon drawInRect: NSMakeRect(PADDING, (NSHeight(badgeRect) - ICON_WIDTH) * 0.5, ICON_WIDTH, ICON_WIDTH) fromRect: NSZeroRect
operation: NSCompositeSourceOver fraction: 1.0];
//place main text
const NSSize mainLineSize = [mainLine sizeWithAttributes: fMainLineAttributes];
const NSSize subLineSize = [subLine sizeWithAttributes: fSubLineAttributes];
NSRect lineRect = NSMakeRect(PADDING + ICON_WIDTH + 5.0,
(NSHeight(badgeRect) + (subLineSize.height + 2.0 - mainLineSize.height)) * 0.5,
NSWidth(badgeRect) - (PADDING + ICON_WIDTH + 2.0) - PADDING, mainLineSize.height);
[mainLine drawInRect: lineRect withAttributes: fMainLineAttributes];
//place sub text
lineRect.origin.y -= subLineSize.height + 2.0;
lineRect.size.height = subLineSize.height;
[subLine drawInRect: lineRect withAttributes: fSubLineAttributes];
[fBadge unlockFocus];
[self setNeedsDisplay: YES];
}
-(void) drawRect: (NSRect) rect
{
if (fBadge)
{
const NSRect frame = [self frame];
const NSSize imageSize = [fBadge size];
[fBadge compositeToPoint: NSMakePoint((NSWidth(frame) - imageSize.width) * 0.5,
(NSHeight(frame) - imageSize.height) * 0.5) operation: NSCompositeSourceOver];
}
}
@end