Class: Clogs::TextDrawable

Inherits:
Drawable
  • Object
show all
Defined in:
lib/clogs/drawables/text.rb

Overview

The display side of Shoes' inline text drawables: strong, em, code, link, span and friends. These have no geometry of their own -- they contribute styled runs to whichever paragraph contains them.

Direct Known Subclasses

Bg, Code, Del, Em, Fg, Ins, Link, Span, Strong, Sub, Sup

Instance Attribute Summary

Attributes inherited from Drawable

#abs_x, #abs_y, #children, #height, #parent, #shoes_linkable_id, #styles, #width, #x, #y

Instance Method Summary collapse

Methods inherited from Drawable

#add_child, #app, #clickable?, #contains?, #destroy_self, #draw, #each_peer, #focus_gained, #focus_lost, #focusable?, for_shoes_class, #hidden?, #initialize, #margin, #measure, #needs_layout!, #notify, #on_click, #on_key, #on_mouse_move, #on_release, #paint, #positioned?, #properties_changed, #redraw!, #remove_child, #requested_height, #requested_width, #set_parent, #style

Constructor Details

This class inherits a constructor from Clogs::Drawable

Instance Method Details

#emphasis_style(base) ⇒ Object 



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# File 'lib/clogs/drawables/text.rb', line 11

def emphasis_style(base)
  style_for_tag(base)
end

#own_style(base) ⇒ Object 



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# File 'lib/clogs/drawables/text.rb', line 20

def own_style(base)
  s = style_for_tag(base)
  s = s.with(size: resolved_size(s.size)) if style(:size)
  s = s.with(color: Style.color(style(:stroke), s.color)) if style(:stroke)
  s = s.with(bg: Style.color(style(:fill), s.bg)) if style(:fill)
  s = s.with(family: style(:family)) if style(:family)
  s = s.with(underline: true) if truthy_underline?
  s = s.with(italic: true) if style(:emphasis).to_s == "italic"
  s.with(owner: self)
end

#resolved_size(default) ⇒ Object 



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# File 'lib/clogs/drawables/text.rb', line 36

def resolved_size(default)
  Paragraph::SIZES[style(:size).to_s.to_sym] || (style(:size).is_a?(Numeric) ? style(:size) : default)
end

#runs(base_style) ⇒ Object

Contribute [text, style] pairs to the enclosing paragraph.



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# File 'lib/clogs/drawables/text.rb', line 41

def runs(base_style)
  mine = own_style(base_style)
  Clogs.expand_text_items(style(:text_items), mine)
end

#style_for_tag(base) ⇒ Object

Overridden per tag.



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# File 'lib/clogs/drawables/text.rb', line 16

def style_for_tag(base)
  base
end

#truthy_underline? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/clogs/drawables/text.rb', line 31

def truthy_underline?
  u = style(:underline)
  !u.nil? && u != "" && u != "none" && u != false
end