Class: Gtk::TextBuffer

Inherits:
Object
  • Object
show all
Extended by:
GLib::Deprecatable
Defined in:
lib/gtk3/deprecated.rb,
lib/gtk3/text-buffer.rb

Instance Method Summary collapse

Instance Method Details

#apply_tag(tag, start, last) ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 143

def apply_tag(tag, start, last)
  if tag.is_a?(String)
    apply_tag_by_name(tag, start, last)
  else
    apply_tag_raw(tag, start, last)
  end
end

#apply_tag_raw ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 142

alias_method :apply_tag_raw, :apply_tag

#create_tag(tag_name = nil, properties = {}) ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 19

def create_tag(tag_name=nil, properties={})
  tag = TextTag.new(tag_name)
  succeeded = tag_table.add(tag)
  return nil unless succeeded

  properties.each do |property|
    key, value = property
    tag.set_property(key, value)
  end

  tag
end

#deserialize_formats ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 157

def deserialize_formats
  deserialize_formats_raw[0]
end

#deserialize_formats_raw ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 156

alias_method :deserialize_formats_raw, :deserialize_formats

#get_iter_at(arguments) ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 39

def get_iter_at(arguments)
  line   = arguments[:line]
  offset = arguments[:offset]
  index  = arguments[:index]
  mark   = arguments[:mark]
  anchor = arguments[:anchor]
  if line
    if offset
      get_iter_at_line_offset_raw(line, offset)
    elsif index
      get_iter_at_line_index_raw(line, index)
    else
      get_iter_at_line_raw(line)
    end
  elsif offset
    get_iter_at_offset_raw(offset)
  elsif mark
    get_iter_at_mark_raw(mark)
  elsif anchor
    get_iter_at_child_anchor_raw(anchor)
  else
    message =
      "Must specify one of :line, :offset, :mark or :anchor: #{arguments.inspect}"
    raise ArgumentError, message
  end
end

#insert(iter, target, *args) ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 69

def insert(iter, target, *args)
  options = nil
  tags = nil
  case args.size
  when 0
    options = {}
  when 1
    case args.first
    when Hash
      options = args.first
    else
      tags = args
    end
  else
    tags = args
  end
  if options.nil?
    signature_prefix = "#{self.class}\##{__method__}(iter, target"
    warn("#{signature_prefix}, *tags) style has been deprecated. " +
         "Use #{signature_prefix}, options={:tags => tags}) style instead.")
    options = {:tags => tags}
  end

  interactive = options[:interactive]
  default_editable = options[:default_editable]
  tags = options[:tags]

  start_offset = iter.offset
  if interactive
    default_editable = true if default_editable.nil?
    insert_interactive(iter, target, default_editable)
  else
    case target
    when Gdk::Pixbuf
      insert_pixbuf_raw(iter, target)
    when TextChildAnchor
      insert_text_child_anchor_raw(iter, target)
    else
      insert_raw(iter, target, target.bytesize)
    end
  end

  if tags
    start_iter = get_iter_at(:offset => start_offset)
    tags.each do |tag|
      tag = tag_table.lookup(tag) if tag.is_a?(String)
      apply_tag(tag, start_iter, iter)
    end
  end

  self
end

#insert_at_cursor(text, options = {}) ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 123

def insert_at_cursor(text, options={})
  interactive = options[:interactive]
  default_editable = options[:default_editable]

  if interactive
    default_editable = true if default_editable.nil?
    insert_interactive_at_cursor(text, default_editable)
  else
    insert_at_cursor_raw(text, text.bytesize)
  end
end

#insert_at_cursor_raw ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 122

alias_method :insert_at_cursor_raw, :insert_at_cursor

#insert_raw ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 66

alias_method :insert_raw,              :insert

#selection_bounds ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 167

def selection_bounds
  selected, start_iter, end_iter = selection_bounds_raw
  if selected
    [start_iter, end_iter]
  else
    nil
  end
end

#selection_bounds_raw ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 166

alias_method :selection_bounds_raw, :selection_bounds

#serialize(*arguments) ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 162

def serialize(*arguments)
  serialize_raw(*arguments)[0].pack("C*")
end

#serialize_formats ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 152

def serialize_formats
  serialize_formats_raw[0]
end

#serialize_formats_raw ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 151

alias_method :serialize_formats_raw, :serialize_formats

#serialize_raw ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 161

alias_method :serialize_raw, :serialize

#set_text(text) ⇒ Object Also known as: text= 



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# File 'lib/gtk3/text-buffer.rb', line 136

def set_text(text)
  set_text_raw(text, text.bytesize)
end

#set_text_raw ⇒ Object 



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# File 'lib/gtk3/text-buffer.rb', line 135

alias_method :set_text_raw, :set_text