Class: RubyCurses::HelpManager

Inherits:
Object
  • Object
show all
Defined in:
lib/rbcurse/core/widgets/rwidget.rb

Overview

Since:

  • 1.2.0

Instance Method Summary collapse

Constructor Details

#initialize(form, config = {}, &block) ⇒ HelpManager

Returns a new instance of HelpManager.

Since:

  • 1.2.0



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# File 'lib/rbcurse/core/widgets/rwidget.rb', line 1978

def initialize form, config={}, &block
  @form = form
   #super
   #instance_eval &block if block_given?
end

Instance Method Details

#display_help ⇒ Object

Since:

  • 1.2.0



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# File 'lib/rbcurse/core/widgets/rwidget.rb', line 1990

def display_help
  filename = File.dirname(__FILE__) + "/../docs/index.txt"
  # defarr contains default help
  if File.exists?(filename)
    defarr = File.open(filename,'r').readlines
  else
    arr = []
    arr << "    NO HELP SPECIFIED FOR APP "
    arr << "    "
    arr << "     --- General help ---          "
    arr << "    F10         -  exit application "
    arr << "    Alt-x       -  select commands  "
    arr << "    : (or M-:)  -  select commands  "
    arr << "    ? (or M-?)  -  current widget key bindings  "
    arr << "    "
    defarr = arr
  end
  defhelp = true
  if @help_text
    defhelp = false
    arr = @help_text
  else
    arr = defarr
  end
  case arr
  when String
    arr = arr.split("\n")
  when Array
  end
  #w = arr.max_by(&:length).length
  h = FFI::NCurses.LINES - 4
  w = FFI::NCurses.COLS - 10

  require 'rbcurse/core/util/viewer'
  RubyCurses::Viewer.view(arr, :layout => [2, 4, h, w],:close_key => KEY_F10, :title => "[ Help ]", :print_footer => true) do |t|
    # you may configure textview further here.
    #t.suppress_borders true
    #t.color = :black
    #t.bgcolor = :white
    # or
    #t.attr = :reverse

    # help was provided, so default help is provided in second buffer
    unless defhelp
      t.add_content defarr, :title => ' General Help '
    end
  end
end

#help_text(text = nil) ⇒ Object

super instance_eval &block if block_given?

Since:

  • 1.2.0



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# File 'lib/rbcurse/core/widgets/rwidget.rb', line 1983

def help_text text=nil
  if text
    @help_text = text
  end
  return @help_text
end

#help_text=(text) ⇒ Object

Since:

  • 1.2.0



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# File 'lib/rbcurse/core/widgets/rwidget.rb', line 1989

def help_text=(text); help_text(text); end