Class: Motion::Popup::Background

Inherits:
NSView
  • Object
show all
Defined in:
lib/motion/popup/background.rb

Overview

Drawing code for the popup panel background ported from this excellent Obj-C popup demo code github.com/shpakovski/Popup / blog.shpakovski.com/2011/07/cocoa-popup-window-in-status-bar.html

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#arrow_height ⇒ Object

Returns the value of attribute arrow_height.



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# File 'lib/motion/popup/background.rb', line 4

def arrow_height
  @arrow_height
end

#arrow_width ⇒ Object

Returns the value of attribute arrow_width.



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# File 'lib/motion/popup/background.rb', line 4

def arrow_width
  @arrow_width
end

#corner_radius ⇒ Object

Returns the value of attribute corner_radius.



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# File 'lib/motion/popup/background.rb', line 4

def corner_radius
  @corner_radius
end

#line_thickness ⇒ Object

Returns the value of attribute line_thickness.



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# File 'lib/motion/popup/background.rb', line 4

def line_thickness
  @line_thickness
end

Instance Method Details

#drawRect(rect) ⇒ Object 



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# File 'lib/motion/popup/background.rb', line 15

def drawRect(rect)
  content_rect = NSInsetRect(self.bounds, self.line_thickness, self.line_thickness)
  path = NSBezierPath.bezierPath

  top_left_corner = NSMakePoint(NSMinX(content_rect), NSMaxY(content_rect) - self.arrow_height)

  path.moveToPoint(NSMakePoint(top_left_corner.x + self.corner_radius, top_left_corner.y))

  if @arrow_x
      path.lineToPoint(NSMakePoint(@arrow_x - self.arrow_width / 2, NSMaxY(content_rect) - self.arrow_height))
      path.lineToPoint(NSMakePoint(@arrow_x, NSMaxY(content_rect)))
      path.lineToPoint(NSMakePoint(@arrow_x + self.arrow_width / 2, NSMaxY(content_rect) - self.arrow_height))
  end
  path.lineToPoint(NSMakePoint(NSMaxX(content_rect) - self.corner_radius, NSMaxY(content_rect) - self.arrow_height))

  top_right_corner = NSMakePoint(NSMaxX(content_rect), NSMaxY(content_rect) - self.arrow_height)
  path.curveToPoint(NSMakePoint(NSMaxX(content_rect), NSMaxY(content_rect) - self.arrow_height - self.corner_radius), controlPoint1: top_right_corner, controlPoint2: top_right_corner)

  path.lineToPoint(NSMakePoint(NSMaxX(content_rect), NSMinY(content_rect) + self.corner_radius))

  bottom_right_corner = NSMakePoint(NSMaxX(content_rect), NSMinY(content_rect))
  path.curveToPoint(NSMakePoint(NSMaxX(content_rect) - self.corner_radius, NSMinY(content_rect)), controlPoint1: bottom_right_corner, controlPoint2: bottom_right_corner)

  path.lineToPoint(NSMakePoint(NSMinX(content_rect) + self.corner_radius, NSMinY(content_rect)))

  path.curveToPoint(NSMakePoint(NSMinX(content_rect), NSMinY(content_rect) + self.corner_radius), controlPoint1: content_rect.origin, controlPoint2: content_rect.origin)

  path.lineToPoint(NSMakePoint(NSMinX(content_rect), NSMaxY(content_rect) - self.arrow_height - self.corner_radius))

  
  path.curveToPoint(NSMakePoint(NSMinX(content_rect) + self.corner_radius, NSMaxY(content_rect) - self.arrow_height), controlPoint1: top_left_corner, controlPoint2: top_left_corner)

  
  path.closePath

  NSColor.whiteColor.setFill
  path.fill

  NSGraphicsContext.saveGraphicsState

  clip = NSBezierPath.bezierPathWithRect(self.bounds)
  clip.appendBezierPath(path)
  clip.addClip

  path.setLineWidth(self.line_thickness * 2)
  NSColor.lightGrayColor.setStroke
  path.stroke

  NSGraphicsContext.restoreGraphicsState
end

#initWithFrame(frame) ⇒ Object 



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# File 'lib/motion/popup/background.rb', line 6

def initWithFrame(frame)
  self.arrow_height = 12
  self.arrow_width = 15
  self.line_thickness = 1
  self.corner_radius = 20

  super(frame)
end

#setArrowX(value) ⇒ Object 



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# File 'lib/motion/popup/background.rb', line 66

def setArrowX(value)
  @arrow_x = value
  self.setNeedsDisplay(true)
end