Re: Transparency in NSButtonCell
Re: Transparency in NSButtonCell
- Subject: Re: Transparency in NSButtonCell
- From: Matt Ball <email@hidden>
- Date: Sat, 16 Jul 2005 17:35:47 -0400
Also, I should add that it does this to every button in my custom view
(I have a close button also, although that isn't a subclass), not just
my custom button.
- Matt Ball
On 7/16/05, Matt Ball <email@hidden> wrote:
> Well, here's some code:
>
> MBDashboardView.m
>
> - (void)drawRect:(NSRect)rect {
> [[NSColor colorWithCalibratedWhite:0.2 alpha:0.7] set];
> NSBezierPath *titlebarRect = [self
> bezierPathWithRoundTitlebarRectInRect:rect radius:6.0];
> [titlebarRect fill];
> [titlebarRect release];
> [[NSColor colorWithCalibratedWhite:0.05 alpha:0.7] set];
> NSBezierPath *contentRect = [self
> bezierPathWithRoundContentRectInRect:rect radius:6.0];
> [contentRect fill];
> [contentRect release];
> }
>
> - (NSBezierPath*)bezierPathWithRoundTitlebarRectInRect:(NSRect)aRect
> radius:(float)radius
> {
> NSBezierPath* path = [[NSBezierPath alloc] init];
> NSRect rect = NSInsetRect(aRect, radius, radius);
> [path appendBezierPathWithArcWithCenter:NSMakePoint(NSMinX(rect),
> NSMinY(rect)) radius:radius startAngle: 180.0 endAngle: 270.0];
> [path appendBezierPathWithArcWithCenter:NSMakePoint(NSMaxX(rect),
> NSMinY(rect)) radius:radius startAngle: 270.0 endAngle:360.0];
> [path appendBezierPathWithRect:NSMakeRect(NSMinX(aRect),
> NSMinY(aRect) + 6, aRect.size.width, 13)];
>
> [path closePath];
> return path;
> }
>
> - (NSBezierPath*)bezierPathWithRoundContentRectInRect:(NSRect)aRect
> radius:(float)radius
> {
> NSBezierPath* path = [[NSBezierPath alloc] init];
> NSRect rect = NSInsetRect(aRect, radius, radius);
> [path appendBezierPathWithArcWithCenter:NSMakePoint(NSMaxX(rect),
> NSMaxY(rect)) radius:radius startAngle:0.0 endAngle:90.0];
> [path appendBezierPathWithArcWithCenter:NSMakePoint(NSMinX(rect),
> NSMaxY(rect)) radius:radius startAngle:90.0 endAngle:180.0];
> [path appendBezierPathWithRect:NSMakeRect(NSMinX(aRect),
> NSMinY(aRect) + 19, aRect.size.width, NSMaxY(aRect) - radius - 19)];
>
> [path closePath];
> return path;
> }
>
> MBDashboardButtonCell.m
>
> - (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
> {
> NSImage *leftImage;
> NSImage *middleImage;
> NSImage *rightImage;
> if(![self isHighlighted]) {
> leftImage = [NSImage imageNamed:@"dashboardButton-left-normal"];
> middleImage = [NSImage
> imageNamed:@"dashboardButton-center-normal"];
> rightImage = [NSImage
> imageNamed:@"dashboardButton-right-normal"];
> }
> else {
> leftImage = [NSImage
> imageNamed:@"dashboardButton-left-pressed"];
> middleImage = [NSImage
> imageNamed:@"dashboardButton-center-pressed"];
> rightImage = [NSImage
> imageNamed:@"dashboardButton-right-pressed"];
> }
> [leftImage compositeToPoint:NSZeroPoint
> operation:NSCompositeSourceOver fraction:1.0];
> [middleImage drawInRect:NSMakeRect([leftImage size].width, 0,
> cellFrame.size.width - [leftImage size].width - [rightImage
> size].width, [middleImage size].height)
> fromRect:NSMakeRect(0,0,[middleImage size].width, [middleImage
> size].height) operation:NSCompositeSourceOver fraction:1.0];
>
> [rightImage compositeToPoint:NSMakePoint(cellFrame.size.width -
> [rightImage size].width, 0) operation:NSCompositeSourceOver
> fraction:1.0];
> }
>
> - Matt Ball
>
> On 7/16/05, Andreas Mayer <email@hidden> wrote:
> >
> > Am 16.07.2005 um 22:27 Uhr schrieb Matt Ball:
> >
> > > I have an NSWindow subclass with a custom NSView in it that draws the
> > > required BezierPaths.
> >
> > What bezier paths would that be?
> >
> > > Inside that view, I have my button. Somehow, the
> > > button is drawing the entire view as its background.
> >
> > Sorry, no idea what the reason might be.
> >
> > I'm doing something similar (I think) with no problems:
> >
> > http://www.harmless.de/images/adjust-window.png
> >
> >
> > Andreas
> > _______________________________________________
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