On 10 Mar 2010, at 14:35, Graham Cox wrote: > Hi, > > I need a custom cell for a table/outline view that is exactly like Mail's > 'unread' count - the grey lozenge with a number in it. It's probably only a > few hours work but maybe someone has already done it and would be willing to > share? > Graham
Not sure if this will prove useful or not. Regards Jonathan Mitchell Developer http://www.mugginsoft.com // // MGSCapsuleTextCell.h // // // Created by Jonathan on 21/06/2008. // Copyright 2008 Mugginsoft. All rights reserved. // #import <Cocoa/Cocoa.h> @interface MGSCapsuleTextCell : NSTextFieldCell { BOOL _capsuleHasShadow; BOOL _sizeCapsuleToFit; } @property BOOL capsuleHasShadow; @property BOOL sizeCapsuleToFit; @end // // MGSCapsuleTextCell.m // // // Created by Jonathan on 21/06/2008. // Copyright 2008 Mugginsoft. All rights reserved. // #import "MGSCapsuleTextCell.h" //#import "MGSImageAndTextCell.h" #define kMinCapsuleWidth 20 @implementation MGSCapsuleTextCell @synthesize capsuleHasShadow = _capsuleHasShadow; @synthesize sizeCapsuleToFit = _sizeCapsuleToFit; /* init */ - (id)init { if ((self = [super init])) { _capsuleHasShadow = NO; _sizeCapsuleToFit = NO; } return self; } /* init with coder */ - (id)initWithCoder:(NSCoder *)decoder { self = [super initWithCoder:decoder]; if (self) { _capsuleHasShadow = NO; _sizeCapsuleToFit = YES; } return self; } // ------------------------------------------------------------------------------- // drawWithFrame:inView: // ------------------------------------------------------------------------------- - (void)drawWithFrame:(NSRect)cellFrame inView:(NSView*)controlView { #pragma unused(controlView) NSString *stringValue = [self stringValue]; // Use the current font point size as a guide for the count font size float pointSize = [[self font] pointSize]; NSColor *fontColor = [self textColor]; NSColor *capsuleColor = [self backgroundColor]; // Create attributes for drawing the string. /*NSDictionary * attributes = [[NSDictionary alloc] initWithObjectsAndKeys:[NSFont boldSystemFontOfSize:pointSize], NSFontAttributeName, fontColor, NSForegroundColorAttributeName, nil];*/ NSDictionary * attributes = [[NSDictionary alloc] initWithObjectsAndKeys:[NSFont fontWithName:@"Helvetica-Bold" size:pointSize], NSFontAttributeName, fontColor, NSForegroundColorAttributeName, nil]; NSSize stringSize = [stringValue sizeWithAttributes:attributes]; // Compute the dimensions of the capsule rectangle. int cellWidth = cellFrame.size.width; if (_sizeCapsuleToFit) { cellWidth = MAX(stringSize.width + 6, stringSize.height + 1) + 1; } if (cellWidth < kMinCapsuleWidth) { cellWidth = kMinCapsuleWidth; } NSRect capsuleFrame; // frame centre x CGFloat centreX = cellFrame.origin.x + cellFrame.size.width/2; // align left or right NSTextAlignment alignment = [self alignment]; if (alignment == NSRightTextAlignment) { NSDivideRect(cellFrame, &capsuleFrame, &cellFrame, cellWidth + 4, NSMaxXEdge); } else { NSDivideRect(cellFrame, &capsuleFrame, &cellFrame, cellWidth + 4, NSMinXEdge); } // align centre if ([self alignment] == NSCenterTextAlignment) { capsuleFrame.origin.x = centreX - capsuleFrame.size.width/2; } CGFloat heightDelta = capsuleFrame.size.height - stringSize.height - 2; capsuleFrame.size.height = stringSize.height + 2; capsuleFrame.origin.y += heightDelta/2; if ([self drawsBackground]) { [[self backgroundColor] set]; NSRectFill(capsuleFrame); } // if the capsule is not full size there is insufficient room to display it properly. // so don't. if (capsuleFrame.size.width >= kMinCapsuleWidth) { if (_capsuleHasShadow) { // prepare to receive shadow [[NSGraphicsContext currentContext] saveGraphicsState]; // Create the shadow NSShadow* theShadow = [[NSShadow alloc] init]; [theShadow setShadowOffset:NSMakeSize(0, -4)]; [theShadow setShadowBlurRadius:4.0f]; // Use a partially transparent color for shapes that overlap. [theShadow setShadowColor:[[NSColor blackColor] colorWithAlphaComponent:0.3f]]; [theShadow set]; } else { // draw offset capsule NSBezierPath *offsetBp = [NSBezierPath bezierPathWithRoundedRect:capsuleFrame xRadius:stringSize.height / 2 yRadius:stringSize.height / 2]; NSAffineTransform *transform = [NSAffineTransform transform]; [transform translateXBy:0.0f yBy: 1.0f]; [offsetBp transformUsingAffineTransform:transform]; [fontColor set]; [offsetBp fill]; } // draw capsule NSBezierPath *bp = [NSBezierPath bezierPathWithRoundedRect:capsuleFrame xRadius:stringSize.height / 2 yRadius:stringSize.height / 2]; [capsuleColor set]; [bp fill]; if (_capsuleHasShadow) { [[NSGraphicsContext currentContext] restoreGraphicsState]; } // Draw the string in the rounded rectangle we just created. NSPoint point = NSMakePoint(NSMidX(capsuleFrame) - stringSize.width / 2.0f, NSMidY(capsuleFrame) - stringSize.height / 2.0f ); [stringValue drawAtPoint:point withAttributes:attributes]; [attributes release]; } } Regards Jonathan Mitchell Developer http://www.mugginsoft.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
