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1
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2 #import "TreeButtonCell.h"
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3 #import "TreeButton.h"
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4
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5 @implementation TreeButtonCell
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6
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7 - parent { return parent; }
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8 - setParent:anObject
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9 { // anObject should be the parent Control object subclass
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10 parent = anObject;
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11 return self;
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12 }
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13
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14 - (BOOL)trackMouse:(NXEvent *)theEvent
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15 inRect:(const NXRect *)cellFrame ofView:aView
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16 { // this traps the button being selected.
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17 BOOL result = [super trackMouse:theEvent inRect:cellFrame ofView:aView];
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18 if (result && [parent respondsTo:@selector(wasSelected:)]) {
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19 [parent wasSelected:self];
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20 }
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21 return result;
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22 }
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23
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24 - performClick:sender
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25 {
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26 [super performClick:sender];
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27 if ([parent respondsTo:@selector(wasSelected:)]) {
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28 [parent wasSelected:self];
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29 }
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30 return self;
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31 }
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32
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33 @end
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