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MAC OS X Cocoa NSToolbar 的使用(2) #define START_LOCATION NSMakePoint(10,10)
- (id)initWithFrame:(NSRect)frame {
self = [super initWithFrame:frame];
if (self) {
sdSide = START_SIDE;
sdLocation = START_LOCATION;
}
return self;
}
- (void)mouseDown:(NSEvent *)theEvent {
sdLocation = [self convertPoint: [theEvent locationInWindow]
fromView: nil];
[self setNeedsDisplay: YES];
}
- (void)drawRect:(NSRect)rect {
[[NSColor redColor] set];
[[NSBezierPath bezierPathWithRect: NSMakeRect(sdLocation.x,
sdLocation.y, sdSide, sdSide)] fill];
[[NSColor blackColor] set];
[[NSBezierPath bezierPathWithRect: [self bounds]] stroke];
}
- (id)initWithCoder:(NSCoder *)coder {
self = [super initWithCoder: coder];
if (self) {
[coder decodeValuesOfObjCTypes: "fff", &sdSide, &sdLocation.x,
&sdLocation.y];
}
return self;
}
- (void)encodeWithCoder:(NSCoder *)coder {
[super encodeWithCoder: coder];
if (self) {
[coder encodeValuesOfObjCTypes: "fff", &sdSide, &sdLocation.x,
&sdLocation.y];
}
}
@end
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