Class: PPCurses::Button

Inherits:
View show all
Defined in:
lib/ppcurses/form/button.rb

Instance Attribute Summary collapse

Attributes inherited from View

#frame

Attributes inherited from ResponderManager

#first_responder

Attributes inherited from Responder

#next_responder

Instance Method Summary collapse

Methods inherited from View

#display, #setFrameOrigin, #setFrameSize

Methods inherited from ResponderManager

#accepts_first_responder, #make_first_responder

Methods inherited from Responder

#accepts_first_responder, #become_first_responder, isa, #resign_first_responder

Constructor Details

#initialize(label) ⇒ Button

Returns a new instance of Button.



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# File 'lib/ppcurses/form/button.rb', line 11

def initialize(label)
  @label = label
  @selected = false
  @pushed = false
end

Instance Attribute Details

#action ⇒ Object

Returns the value of attribute action.



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# File 'lib/ppcurses/form/button.rb', line 9

def action
  @action
end

#label ⇒ Object

Returns the value of attribute label.



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# File 'lib/ppcurses/form/button.rb', line 5

def label
  @label
end

#pushed ⇒ Object

Returns the value of attribute pushed.



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# File 'lib/ppcurses/form/button.rb', line 7

def pushed
  @pushed
end

#selected ⇒ Object

Returns the value of attribute selected.



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# File 'lib/ppcurses/form/button.rb', line 6

def selected
  @selected
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/ppcurses/form/button.rb', line 46

def clear
 # NOP
end

#height ⇒ Object 



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# File 'lib/ppcurses/form/button.rb', line 30

def height
  1
end

#key_down(key) ⇒ Object 



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# File 'lib/ppcurses/form/button.rb', line 38

def key_down( key )

  if key == ENTER
    @action.call unless action.nil?
  end

end

#set_curs_pos(screen) ⇒ Object 



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# File 'lib/ppcurses/form/button.rb', line 34

def set_curs_pos(screen)
  Curses.curs_set(INVISIBLE)
end

#show(screen) ⇒ Object

Screen should be of type Curses::Window



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# File 'lib/ppcurses/form/button.rb', line 20

def show(screen)
  screen.attron(Curses::A_REVERSE) if @selected
  screen.addstr("< #{@label} >")
  screen.attroff(Curses::A_REVERSE) if @selected
end

#width ⇒ Object 



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# File 'lib/ppcurses/form/button.rb', line 26

def width
  @label.length + 4
end