NSView drawRect interfering with NSButton hover

NSView drawRect interfering with NSButton hover

References

Reference NO 1

http://stackoverflow.com/questions/15165757/nsview-drawrect-interfering-with-nsbutton-hover

Reference NO 2

http://stackoverflow.com/questions/17605820/change-background-color-on-hover-on-a-nsmenuitem-with-custom-nsview

Reference NO 3

http://stackoverflow.com/tags/nsbutton/hot?filter=year

Reference NO 4

http://stackoverflow.com/questions/8541210/my-subclass-of-nsview-will-not-refresh-redraw-but-drawrect-is-called

Reference NO 5

http://stackoverflow.com/questions/17153669/nsbutton-and-hover

Reference NO 6

#EANF#

Reference NO 7

#EANF#

Reference NO 8

#EANF#