ITButtonCell.m

   1 #import "ITButtonCell.h"
   2
   3 #define GRAY_EXTRA_PAD_H 60.0
   4
   5 @interface ITButtonCell (Private)
   6 - (void)drawGrayRoundedBezelWithFrame:(NSRect)rect inView:(NSView *)controlView;
   7 @end
   8
   9 @implementation ITButtonCell
  10
  11 - (id)init {
  12         if ((self = [super init])) {
  13                 _subStyle = 0;
  14         }
  15         return self;
  16 }
  17
  18 - (void)setBezelStyle:(NSBezelStyle)bezelStyle {
  19         if (bezelStyle == ITGrayRoundedBezelStyle) {
  20                 _subStyle = bezelStyle;
  21                 bezelStyle = NSRegularSquareBezelStyle;
  22         } else {
  23                 _subStyle = 0;
  24         }
  25         [super setBezelStyle:bezelStyle];
  26 }
  27
  28 - (void)drawWithFrame:(NSRect)rect inView:(NSView *)controlView {
  29         if (_subStyle == ITGrayRoundedBezelStyle) {
  30                 [self drawGrayRoundedBezelWithFrame:rect inView:controlView];
  31                 if ([self attributedTitle]) {
  32                         NSPoint stringOrigin;
  33                         NSSize stringSize;
  34                         stringSize = [[self attributedTitle] size];
  35                         stringOrigin.x = rect.origin.x + (rect.size.width - stringSize.width) / 2;
  36                         stringOrigin.y = (rect.origin.y + (rect.size.height - stringSize.height) / 2) - 2;
  37                         [controlView lockFocus];
  38                         [[self attributedTitle] drawAtPoint:stringOrigin];
  39                         [controlView unlockFocus];
  40                 } else {
  41                         [super drawInteriorWithFrame:rect inView:controlView];
  42                 }
  43                 [[controlView superview] setNeedsDisplay:YES];
  44         } else {
  45                 [super drawWithFrame:rect inView:controlView];
  46         }
  47 }
  48
  49 - (void)drawGrayRoundedBezelWithFrame:(NSRect)rect inView:(NSView *)controlView {
  50         NSBezierPath *path = [NSBezierPath bezierPath];
  51         float ch = rect.size.height;
  52         float cw = rect.size.width;
  53         float radius = (ch / 2);
  54         NSPoint pointA = NSMakePoint((ch / 2), 0.0);
  55         NSPoint pointB = NSMakePoint((cw - (ch / 2)), 0.0);
  56 //      NSPoint pointC = NSMakePoint((cw - (ch / 2)), ch);
  57         NSPoint pointD = NSMakePoint((ch / 2), ch);
  58         NSPoint lCtr = NSMakePoint((ch / 2), (ch / 2));
  59         NSPoint rCtr = NSMakePoint((cw - (ch / 2)), (ch / 2));
  60         float alpha = 0.45;
  61
  62         [path moveToPoint:pointA];
  63         [path lineToPoint:pointB];
  64         [path appendBezierPathWithArcWithCenter:rCtr radius:radius startAngle:270.0 endAngle:90.0];
  65         [path lineToPoint:pointD];
  66         [path appendBezierPathWithArcWithCenter:lCtr radius:radius startAngle:90.0 endAngle:270.0];
  67
  68         if ([self isHighlighted]) {
  69                 alpha = 0.60;
  70         }
  71
  72         [[NSColor colorWithCalibratedWhite:0.15 alpha:alpha] set];
  73         [path fill];
  74 }
  75
  76 - (BOOL)isOpaque {
  77         return NO;
  78 }
  79
  80 @end