Class: Charming::Layout::PaneGeometry

Inherits:
Object
  • Object
show all
Defined in:
lib/charming/presentation/layout/pane_geometry.rb

Overview

PaneGeometry holds a Pane’s sizing (width, height, grow) and inset configuration (border + padding). It knows how to inset a Rect for the content area and how to expand CSS-style 1/2/4-value padding.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(width:, height:, grow:, border:, padding:) ⇒ PaneGeometry

Returns a new instance of PaneGeometry.



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 16

def initialize(width:, height:, grow:, border:, padding:)
  @width, @height, @grow, @border, @padding = width, height, grow, border, padding
  @padding_values = padding ? expand_padding(Array(padding)) : [0, 0, 0, 0]
  freeze
end

Instance Attribute Details

#border ⇒ Object (readonly)

Returns the value of attribute border.



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 9

def border
  @border
end

#grow ⇒ Object (readonly)

Returns the value of attribute grow.



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 9

def grow
  @grow
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 9

def height
  @height
end

#padding ⇒ Object (readonly)

Returns the value of attribute padding.



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 9

def padding
  @padding
end

#padding_values ⇒ Object (readonly)

Returns the value of attribute padding_values.



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 38

def padding_values
  @padding_values
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 9

def width
  @width
end

Class Method Details

.build(width: nil, height: nil, grow: nil, border: nil, padding: nil) ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 11

def self.build(width: nil, height: nil, grow: nil, border: nil, padding: nil)
  new(width: width, height: height, grow: grow,
    border: (border == true) ? :normal : border, padding: padding)
end

Instance Method Details

#==(other) ⇒ Object Also known as: eql? 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 22

def ==(other)
  other.is_a?(PaneGeometry) &&
    width == other.width && height == other.height && grow == other.grow &&
    border == other.border && padding == other.padding
end

#border_bottom ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 35

def border_bottom = border ? 1 : 0

#border_left ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 36

def border_left = border ? 1 : 0

#border_right ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 34

def border_right = border ? 1 : 0

#border_style ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 54

def border_style
  (border == true) ? :normal : border
end

#border_top ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 33

def border_top = border ? 1 : 0

#hash ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 29

def hash
  [width, height, grow, border, padding].hash
end

#inset(rect) ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 45

def inset(rect)
  rect.inset(
    top: border_top + padding_top,
    right: border_right + padding_right,
    bottom: border_bottom + padding_bottom,
    left: border_left + padding_left
  )
end

#padding_bottom ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 42

def padding_bottom = padding ? @padding_values[2] : 0

#padding_left ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 43

def padding_left = padding ? @padding_values[3] : 0

#padding_right ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 41

def padding_right = padding ? @padding_values[1] : 0

#padding_top ⇒ Object 



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# File 'lib/charming/presentation/layout/pane_geometry.rb', line 40

def padding_top = padding ? @padding_values[0] : 0