Class: LCDProc::MenuItems::Slider

Inherits:
Object
  • Object
show all
Includes:
LCDProc::MenuItem
Defined in:
lib/lcdproc/menu_items/slider.rb

Constant Summary collapse

@@slider_item_count = 
0

Instance Attribute Summary

Attributes included from LCDProc::MenuItem

#id, #is_hidden, #lcdproc_event_type, #lcdproc_options, #lcdproc_type, #next, #parent_menu, #previous, #text

Instance Method Summary collapse

Methods included from LCDProc::MenuItem

add_support, #lcdproc_options_as_string, new, supported_types

Constructor Details

#initialize(user_options = {}, lcdproc_options = {}) ⇒ Slider

Creates a new Slider MenuItem object.

The user_options will accept a hash of the following MenuItem options.

  • :id - The unique string that identifies this slider. Defaults to “SliderMenuItem_” + a sequence number.

The lcdproc_options will accept a hash of the options to be passed to LCDd when creating or updating the slider.

  • :text - The text to be displayed on the LCD for this slider. Defaults to the id.

  • :mintext - The text to be displayed at the far left (minimum) end of the slider. Defaults to “”.

  • :maxtext - The text to be displayed at the far left (maximum) end of the slider. Defaults to “”.

  • :minvalue - The minimum value that the slider should allow. Defaults to 0.

  • :maxvalue - The maximum value that the slider should allow. Defaults to 100.

  • :value - The initial starting value of the slider. Defaults to 0.

  • :stepsize - The number by which the value is increased with every press of the increment or decrement key. Defaults to 1. A value of 0 means that it can only be controled from within the client program.


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# File 'lib/lcdproc/menu_items/slider.rb', line 52

def initialize( user_options = {}, lcdproc_options = {} )
  @lcdproc_options = {}
  
  if user_options[:id].nil?
    @id = "SliderMenuItem_#{@@slider_item_count}"
  else
    @id = user_options[:id]
  end
  
  @lcdproc_type = "slider"
  @lcdproc_event_type = "(plus|minus)"
  
  @lcdproc_options[:text] = "#{@id}"
  
  @lcdproc_options[:mintext] = ""
  @lcdproc_options[:maxtext] = ""
  @lcdproc_options[:minvalue] = 0
  @lcdproc_options[:maxvalue] = 100
  @lcdproc_options[:value] = 0
  @lcdproc_options[:stepsize] = 1
  
  @lcdproc_options.update( lcdproc_options )
  
  [ :text, :mintext, :maxtext ].each { |s| @lcdproc_options[s].quotify! }
  
  @@slider_item_count += 1
end