Class: Wx::Sizer

Inherits:
Object
  • Object
show all
Defined in:
lib/wx/classes/sizer.rb

Overview

Class for automatically managing layouts

Constant Summary collapse

ADD_ITEM_PARAMS =

Generic method to add items, supporting positional and named arguments

[ Wx::Parameter[ :index, -1 ], 
Wx::Parameter[ :proportion, 0 ],
Wx::Parameter[ :flag, 0 ],
Wx::Parameter[ :border, 0 ],
Wx::Parameter[ :user_data, nil ] ]

Instance Method Summary collapse

Instance Method Details

#add_item(item, *mixed_args) ⇒ Object 



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# File 'lib/wx/classes/sizer.rb', line 11

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