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Add OakGradientView

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This simply draws a gradient background but supports alternate colors for when the window is inactive.
This commit is contained in:
Allan Odgaard
2013-01-28 13:20:18 +01:00
parent 269a6ae3c2
commit 904348d489
2 changed files with 81 additions and 0 deletions
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3
Frameworks/OakAppKit/src/OakGradientView.h Normal file
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@interface OakGradientView : NSView
- (id)initWithTopColor:(NSColor*)topColor bottomColor:(NSColor*)bottomColor inactiveTopColor:(NSColor*)inactiveTopColor inactiveBottomColor:(NSColor*)inactiveBottomColor;
@end

78
Frameworks/OakAppKit/src/OakGradientView.mm Normal file
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#import "OakGradientView.h"
@interface OakGradientView ()
@property (nonatomic, retain) NSColor* activeTopColor;
@property (nonatomic, retain) NSColor* activeBottomColor;
@property (nonatomic, retain) NSColor* inactiveTopColor;
@property (nonatomic, retain) NSColor* inactiveBottomColor;
@property (nonatomic) BOOL renderInactive;
@end
@implementation OakGradientView
- (id)initWithTopColor:(NSColor*)topColor bottomColor:(NSColor*)bottomColor inactiveTopColor:(NSColor*)inactiveTopColor inactiveBottomColor:(NSColor*)inactiveBottomColor
{
if(self = [self initWithFrame:NSZeroRect])
{
self.activeTopColor = topColor;
self.activeBottomColor = bottomColor;
self.inactiveTopColor = inactiveTopColor;
self.inactiveBottomColor = inactiveBottomColor;
}
return self;
}
- (void)dealloc
{
[[NSNotificationCenter defaultCenter] removeObserver:self];
[super dealloc];
}
- (BOOL)isOpaque
{
return YES;
}
- (void)viewWillMoveToWindow:(NSWindow*)newWindow
{
if(self.window)
{
[[NSNotificationCenter defaultCenter] removeObserver:self name:NSWindowDidBecomeMainNotification object:self.window];
[[NSNotificationCenter defaultCenter] removeObserver:self name:NSWindowDidResignMainNotification object:self.window];
}
if(newWindow)
{
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(tmWindowDidChangeStatus:) name:NSWindowDidBecomeMainNotification object:newWindow];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(tmWindowDidChangeStatus:) name:NSWindowDidResignMainNotification object:newWindow];
}
[super viewWillMoveToWindow:newWindow];
}
- (void)viewDidMoveToWindow
{
[self tmWindowDidChangeStatus:nil];
[super viewDidMoveToWindow];
}
- (void)tmWindowDidChangeStatus:(NSNotification*)aNotification
{
self.renderInactive = ![self.window isKeyWindow] && ![self.window isMainWindow];
}
- (void)setRenderInactive:(BOOL)flag
{
if(_renderInactive != flag)
{
_renderInactive = flag;
[self setNeedsDisplay:YES];
}
}
- (void)drawRect:(NSRect)aRect
{
NSColor* topColor = self.renderInactive ? self.inactiveTopColor : self.activeTopColor;
NSColor* bottomColor = self.renderInactive ? self.inactiveBottomColor : self.activeBottomColor;
[[[NSGradient alloc] initWithStartingColor:bottomColor endingColor:topColor] drawInRect:self.bounds angle:90];
}
@end