Contents

# Copyright (c) 2023 M.J.N. Corino, The Netherlands
#
# This software is released under the MIT license.
# 
# Some parts are
# Copyright 2004-2007, wxRuby development team
# released under the MIT-like wxRuby2 license

# Class for automatically managing layouts

class Wx::Sizer
  # Generic method to add items, supporting positional and named
  # arguments
  ADD_ITEM_PARAMS = [ Wx::Parameter[ :index, -1 ], 
                      Wx::Parameter[ :proportion, 0 ],
                      Wx::Parameter[ :flag, 0 ],
                      Wx::Parameter[ :border, 0 ] ]
  
  def add_item(item, *mixed_args)

    begin
      args = Wx::args_as_list(ADD_ITEM_PARAMS, *mixed_args)
    rescue => err
      err.set_backtrace(caller)
      Kernel.raise err
    end

    full_args = []

    # extract the width and the height in the case of a spacer
    # defined as an array
    if item.kind_of?(Array)
      Kernel.raise ArgumentError,
        "Invalid Sizer specification : [width, height] expected" if item.size != 2
      full_args << item[0] << item[1]
    else
      full_args << item
    end

    # update the full arguments list with the optional arguments (except index)
    idx = args.shift
    full_args.concat(args)

    # Call add to append if default position
    if idx == -1
      add(*full_args)
    else
      insert(idx, *full_args)
    end
  end

  # Overload to provide Enumerator without block
  wx_each_child = instance_method :each_child
  define_method :each_child do |&block|
    if block
      wx_each_child.bind(self).call(&block)
    else
      ::Enumerator.new { |y| wx_each_child.bind(self).call { |c| y << c } }
    end
  end

end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
wxruby3-0.9.7-x64-mingw-ucrt	lib/wx/core/sizer.rb
wxruby3-0.9.5-x64-mingw-ucrt	lib/wx/core/sizer.rb
wxruby3-0.9.4-x64-mingw-ucrt	lib/wx/core/sizer.rb
wxruby3-0.9.3-x64-mingw-ucrt	lib/wx/core/sizer.rb