Class: Glimmer::LibUI::AttributedString

Inherits:
Object
  • Object
show all
Includes:
DataBindable
Defined in:
lib/glimmer/libui/attributed_string.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from DataBindable

#data_bind, #data_bind_read, #data_bind_write, #data_binding_model_attribute_observer_registrations

Constructor Details

#initialize(keyword, parent_proxy, args, &block) ⇒ AttributedString

Returns a new instance of AttributedString.



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# File 'lib/glimmer/libui/attributed_string.rb', line 36

def initialize(keyword, parent_proxy, args, &block)
  @keyword = keyword
  @parent_proxy = parent_proxy
  @args = args
  @string = @args.first || ''
  @block = block
  post_add_content if @block.nil?
end

Instance Attribute Details

#args ⇒ Object (readonly)

Returns the value of attribute args.



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# File 'lib/glimmer/libui/attributed_string.rb', line 32

def args
  @args
end

#block ⇒ Object

Returns the value of attribute block.



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# File 'lib/glimmer/libui/attributed_string.rb', line 33

def block
  @block
end

#content_added ⇒ Object (readonly) Also known as: content_added?

Returns the value of attribute content_added.



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# File 'lib/glimmer/libui/attributed_string.rb', line 32

def content_added
  @content_added
end

#keyword ⇒ Object (readonly)

Returns the value of attribute keyword.



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# File 'lib/glimmer/libui/attributed_string.rb', line 32

def keyword
  @keyword
end

#parent_proxy ⇒ Object (readonly)

Returns the value of attribute parent_proxy.



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# File 'lib/glimmer/libui/attributed_string.rb', line 32

def parent_proxy
  @parent_proxy
end

Instance Method Details

#area_proxy ⇒ Object 



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# File 'lib/glimmer/libui/attributed_string.rb', line 213

def area_proxy
  @parent_proxy.parent_proxy
end

#background(value = nil) ⇒ Object Also known as: background=, set_background 



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# File 'lib/glimmer/libui/attributed_string.rb', line 78

def background(value = nil)
  if value.nil?
    @background
  else
    @background = Glimmer::LibUI.interpret_color(value)
    request_auto_redraw
  end
end

#color(value = nil) ⇒ Object Also known as: color=, set_color 



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# File 'lib/glimmer/libui/attributed_string.rb', line 67

def color(value = nil)
  if value.nil?
    @color
  else
    @color = Glimmer::LibUI.interpret_color(value)
    request_auto_redraw
  end
end

#content(&block) ⇒ Object 



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# File 'lib/glimmer/libui/attributed_string.rb', line 217

def content(&block)
  Glimmer::DSL::Engine.add_content(self, Glimmer::DSL::Libui::StringExpression.new, @keyword, {post_add_content: true}, &block)
end

#destroy ⇒ Object 



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# File 'lib/glimmer/libui/attributed_string.rb', line 199

def destroy
  return if ControlProxy.main_window_proxy&.destroying?
  open_type_features.destroy unless open_type_features.nil?
  @parent_proxy&.children&.delete(self)
end

#draw(area_draw_params) ⇒ Object 



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# File 'lib/glimmer/libui/attributed_string.rb', line 145

def draw(area_draw_params)
  @start = ::LibUI.attributed_string_len(@parent_proxy.attributed_string)
  ::LibUI.attributed_string_append_unattributed(@parent_proxy.attributed_string, @string)
  unless color.nil?
    color_attribute = ::LibUI.new_color_attribute(@color[:r].to_f / 255.0, @color[:g].to_f / 255.0, @color[:b].to_f / 255.0, @color[:a] || 1.0)
    ::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, color_attribute, @start, @start + @string.bytesize)
  end
  unless background.nil?
    background_attribute = ::LibUI.new_background_attribute(@background[:r].to_f / 255.0, @background[:g].to_f / 255.0, @background[:b].to_f / 255.0, @background[:a] || 1.0)
    ::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, background_attribute, @start, @start + @string.bytesize)
  end
  unless underline.nil?
    underline_attribute = ::LibUI.new_underline_attribute(Glimmer::LibUI.enum_symbol_to_value(:underline, @underline))
    ::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, underline_attribute, @start, @start + @string.bytesize)
  end
  unless underline_color.nil?
    if Glimmer::LibUI.enum_symbols(:underline_color).include?(underline_color.to_s.to_sym) && underline_color.to_s.to_sym != :custom
      underline_color_attribute = ::LibUI.new_underline_color_attribute(Glimmer::LibUI.enum_symbol_to_value(:underline_color, @underline_color), 0, 0, 0, 0)
      ::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, underline_color_attribute, @start, @start + @string.bytesize)
    else
      the_color = Glimmer::LibUI.interpret_color(@underline_color)
      underline_color_attribute = ::LibUI.new_underline_color_attribute(0, the_color[:r].to_f / 255.0, the_color[:g].to_f / 255.0, the_color[:b].to_f / 255.0, the_color[:a] || 1.0)
      ::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, underline_color_attribute, @start, @start + @string.bytesize)
    end
  end
  unless font.nil?
    if font[:family]
      family_attribute = ::LibUI.new_family_attribute(font[:family])
      ::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, family_attribute, @start, @start + @string.bytesize)
    end
    if font[:size]
      size_attribute = ::LibUI.new_size_attribute(font[:size])
      ::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, size_attribute, @start, @start + @string.bytesize)
    end
    if font[:weight]
      weight_attribute = ::LibUI.new_weight_attribute(Glimmer::LibUI.enum_symbol_to_value(:text_weight, font[:weight]))
      ::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, weight_attribute, @start, @start + @string.bytesize)
    end
    if font[:italic]
      italic_attribute = ::LibUI.new_italic_attribute(Glimmer::LibUI.enum_symbol_to_value(:text_italic, font[:italic]))
      ::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, italic_attribute, @start, @start + @string.bytesize)
    end
    if font[:stretch]
      stretch_attribute = ::LibUI.new_stretch_attribute(Glimmer::LibUI.enum_symbol_to_value(:text_stretch, font[:stretch]))
      ::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, stretch_attribute, @start, @start + @string.bytesize)
    end
  end
  unless open_type_features.nil?
    open_type_features_attribute = ::LibUI.new_features_attribute(open_type_features.libui)
    ::LibUI.attributed_string_set_attribute(@parent_proxy.attributed_string, open_type_features_attribute, @start, @start + @string.bytesize)
  end
  destroy if area_proxy.nil?
end

#font(value = nil) ⇒ Object Also known as: font=, set_font 



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# File 'lib/glimmer/libui/attributed_string.rb', line 56

def font(value = nil)
  if value.nil?
    @font
  else
    @font = value
    request_auto_redraw
  end
end

#open_type_features(value = nil) ⇒ Object Also known as: open_type_features=, set_open_type_features 



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# File 'lib/glimmer/libui/attributed_string.rb', line 111

def open_type_features(value = nil)
  if value.nil?
    @open_type_features
  else
    @open_type_features = value
    request_auto_redraw
  end
end

#post_add_content(block = nil) ⇒ Object 



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# File 'lib/glimmer/libui/attributed_string.rb', line 131

def post_add_content(block = nil)
  block ||= @block
  block_result = block&.call
  unless @content_added
    @string = block_result if block_result.is_a?(String)
    @parent_proxy&.post_initialize_child(self)
    @content_added = true
  end
end

#post_initialize_child(child) ⇒ Object 



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# File 'lib/glimmer/libui/attributed_string.rb', line 141

def post_initialize_child(child)
  self.open_type_features = child if child.is_a?(Glimmer::LibUI::ControlProxy::OpenTypeFeaturesProxy)
end

#redraw ⇒ Object 



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# File 'lib/glimmer/libui/attributed_string.rb', line 205

def redraw
  area_proxy&.redraw
end

#remove_open_type_features ⇒ Object 



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# File 'lib/glimmer/libui/attributed_string.rb', line 122

def remove_open_type_features
  return if @removing_open_type_features
  @removing_open_type_features = true
  @open_type_features&.destroy
  @open_type_features = nil
  request_auto_redraw
  @removing_open_type_features = false
end

#request_auto_redraw ⇒ Object 



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# File 'lib/glimmer/libui/attributed_string.rb', line 209

def request_auto_redraw
  area_proxy&.request_auto_redraw
end

#string(value = nil) ⇒ Object Also known as: string=, set_string 



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# File 'lib/glimmer/libui/attributed_string.rb', line 45

def string(value = nil)
  if value.nil?
    @string
  else
    @string = value
    request_auto_redraw
  end
end

#underline(value = nil) ⇒ Object Also known as: underline=, set_underline 



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# File 'lib/glimmer/libui/attributed_string.rb', line 89

def underline(value = nil)
  if value.nil?
    @underline
  else
    @underline = value
    request_auto_redraw
  end
end

#underline_color(value = nil) ⇒ Object Also known as: underline_color=, set_underline_color 



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# File 'lib/glimmer/libui/attributed_string.rb', line 100

def underline_color(value = nil)
  if value.nil?
    @underline_color
  else
    @underline_color = value
    request_auto_redraw
  end
end