Re: Transparency in NSButtonCell
Re: Transparency in NSButtonCell
- Subject: Re: Transparency in NSButtonCell
- From: Matt Ball <email@hidden>
- Date: Sat, 16 Jul 2005 18:15:18 -0400
Okay, I've narrowed it down to my NSView's drawInRect: When I comment
it out, the buttons work normally, but they are the only visible
things. Is there anything wrong with the drawInRect: function that I
am not seeing?
- Matt Ball
On 7/16/05, Matt Ball <email@hidden> wrote:
> 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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> >
>
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