transmission/macosx/InfoTabButtonCell.mm

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/******************************************************************************
2012-01-14 17:12:04 +00:00
* Copyright (c) 2007-2012 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 "InfoTabButtonCell.h"
#import "NSApplicationAdditions.h"
@implementation InfoTabButtonCell
- (void)awakeFromNib
{
if (!NSApp.onMojaveOrBetter)
{
NSNotificationCenter* nc = NSNotificationCenter.defaultCenter;
[nc addObserver:self selector:@selector(updateControlTint:) name:NSControlTintDidChangeNotification object:NSApp];
}
fSelected = NO;
//expects the icon to currently be set as the image
fIcon = self.image;
}
- (void)dealloc
{
[NSNotificationCenter.defaultCenter removeObserver:self];
}
- (void)setControlView:(NSView*)controlView
{
BOOL const hadControlView = self.controlView != nil;
super.controlView = controlView;
if (!hadControlView)
{
[(NSMatrix*)self.controlView setToolTip:self.title forCell:self];
[self setSelectedTab:fSelected];
}
}
- (void)setSelectedTab:(BOOL)selected
{
fSelected = selected;
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[self reloadAppearance];
}
- (void)reloadAppearance
{
if (self.controlView == nil)
{
return;
}
NSInteger row, col;
[(NSMatrix*)self.controlView getRow:&row column:&col ofCell:self];
NSRect tabRect = [(NSMatrix*)self.controlView cellFrameAtRow:row column:col];
tabRect.origin.x = 0.0;
tabRect.origin.y = 0.0;
NSImage* tabImage = [[NSImage alloc] initWithSize:tabRect.size];
[tabImage lockFocus];
NSGradient* gradient;
if (fSelected)
{
NSColor *lightColor, *darkColor;
if (@available(macOS 10.14, *))
{
lightColor = [NSColor.controlAccentColor blendedColorWithFraction:0.35 ofColor:NSColor.whiteColor];
darkColor = [NSColor.controlAccentColor blendedColorWithFraction:0.15 ofColor:NSColor.whiteColor];
}
else
{
lightColor = [NSColor colorForControlTint:NSColor.currentControlTint];
darkColor = [lightColor blendedColorWithFraction:0.2 ofColor:NSColor.blackColor];
}
gradient = [[NSGradient alloc] initWithStartingColor:lightColor endingColor:darkColor];
}
else
{
if (NSApp.isDarkMode)
{
NSColor* darkColor = [NSColor colorWithCalibratedRed:60.0 / 255.0 green:60.0 / 255.0 blue:60.0 / 255.0 alpha:1.0];
NSColor* lightColor = [NSColor colorWithCalibratedRed:90.0 / 255.0 green:90.0 / 255.0 blue:90.0 / 255.0 alpha:1.0];
gradient = [[NSGradient alloc] initWithStartingColor:lightColor endingColor:darkColor];
}
else
{
NSColor* lightColor = [NSColor colorWithCalibratedRed:245.0 / 255.0 green:245.0 / 255.0 blue:245.0 / 255.0 alpha:1.0];
NSColor* darkColor = [NSColor colorWithCalibratedRed:215.0 / 255.0 green:215.0 / 255.0 blue:215.0 / 255.0 alpha:1.0];
gradient = [[NSGradient alloc] initWithStartingColor:lightColor endingColor:darkColor];
}
}
if (@available(macOS 10.14, *))
{
[NSColor.separatorColor set];
}
else
{
[NSColor.grayColor set];
}
NSRectFill(NSMakeRect(0.0, 0.0, NSWidth(tabRect), 1.0));
NSRectFill(NSMakeRect(0.0, NSHeight(tabRect) - 1.0, NSWidth(tabRect), 1.0));
NSRectFill(NSMakeRect(NSWidth(tabRect) - 1.0, 1.0, NSWidth(tabRect) - 1.0, NSHeight(tabRect) - 2.0));
tabRect = NSMakeRect(0.0, 1.0, NSWidth(tabRect) - 1.0, NSHeight(tabRect) - 2.0);
[gradient drawInRect:tabRect angle:270.0];
if (fIcon)
{
NSSize const iconSize = fIcon.size;
NSRect const iconRect = NSMakeRect(
NSMinX(tabRect) + floor((NSWidth(tabRect) - iconSize.width) * 0.5),
NSMinY(tabRect) + floor((NSHeight(tabRect) - iconSize.height) * 0.5),
iconSize.width,
iconSize.height);
[fIcon drawInRect:iconRect fromRect:NSZeroRect operation:NSCompositingOperationSourceOver fraction:1.0];
}
[tabImage unlockFocus];
self.image = tabImage;
}
- (void)updateControlTint:(NSNotification*)notification
{
NSAssert(!NSApp.onMojaveOrBetter, @"should not be observing control tint color when accent color is available");
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if (fSelected)
{
[self setSelectedTab:YES];
}
}
@end