Class: Reight::Text

Inherits:
Object
  • Object
show all
Includes:
Activatable, HasHelp, Hookable
Defined in:
lib/reight/text.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from HasHelp

#help, #name, #set_help

Methods included from Hookable

#hook

Methods included from Activatable

#activated, #activated!, #active=, #active?

Constructor Details

#initialize(text = '', editable: false, align: LEFT, label: nil, regexp: nil, &changed) ⇒ Text

Returns a new instance of Text.



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# File 'lib/reight/text.rb', line 10

def initialize(text = '', editable: false, align: LEFT, label: nil, regexp: nil, &changed)
  hook :changed

  super()
  @editable, @align, @label, @regexp = editable, align, label, regexp
  @shake                             = 0
  self.changed(&changed) if changed

  self.value = text
end

Instance Attribute Details

#align ⇒ Object

Returns the value of attribute align.



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# File 'lib/reight/text.rb', line 21

def align
  @align
end

#editable ⇒ Object Also known as: editable?

Returns the value of attribute editable.



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# File 'lib/reight/text.rb', line 21

def editable
  @editable
end

#label ⇒ Object

Returns the value of attribute label.



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# File 'lib/reight/text.rb', line 21

def label
  @label
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/reight/text.rb', line 23

def value
  @value
end

Instance Method Details

#clicked(x, y) ⇒ Object 



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# File 'lib/reight/text.rb', line 100

def clicked(x, y)
  if focus?
    return if hit? x, y
    self.value = @old_value if value == '' && !valid?(ignore_regexp: false)
    self.focus = false
  elsif editable?
    self.focus         = true
    @old_value, @value = @value.dup, ''
  end
end

#draw ⇒ Object 



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# File 'lib/reight/text.rb', line 62

def draw()
  sp = sprite
  no_stroke

  if @shake != 0
    translate rand(-@shake.to_f..@shake.to_f), 0
    @shake *= rand(0.7..0.9)
    @shake  = 0 if @shake.abs < 0.1
  end

  fill focus? ? 230 : 200
  rect 0, 0, sp.w, sp.h, 3

  show_old = value == ''
  text     = show_old ? @old_value : value
  text     = label.to_s + text unless focus?
  x        = 2
  fill show_old ? 200 : 50
  text_align @align, CENTER
  text text, x, 0, sp.w - x * 2, sp.h

  if focus? && (frame_count % 60) < 30
    fill 100
    bounds = text_font.text_bounds value
    xx     = (@align == LEFT ? x + bounds.w : (sp.w + bounds.w) / 2) - 1
    rect xx, (sp.h - bounds.h) / 2, 2, bounds.h
  end
end

#focus=(focus) ⇒ Object 



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# File 'lib/reight/text.rb', line 32

def focus=(focus)
  return if focus && !editable?
  return if focus == focus?
  sprite.capture = focus
  unless focus
    revert unless valid? value
    changed! value, self if value != @old_value
  end
end

#focus? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/reight/text.rb', line 42

def focus?()
  sprite.capturing?
end

#hit?(x, y) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/reight/text.rb', line 111

def hit?(x, y)
  sp = sprite
  (0...sp.w).include?(x) && (0...sp.h).include?(y)
end

#key_pressed(key, code) ⇒ Object 



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# File 'lib/reight/text.rb', line 91

def key_pressed(key, code)
  case code
  when ESC               then self.value  = @old_value; self.focus = false
  when ENTER             then self.focus  = false
  when DELETE, BACKSPACE then self.value  = value.split('').tap {_1.pop}.join
  else                        self.value += key if key && valid?(key)
  end
end

#revert ⇒ Object 



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# File 'lib/reight/text.rb', line 27

def revert()
  self.value = @old_value
  @shake     = 6
end

#sprite ⇒ Object 



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# File 'lib/reight/text.rb', line 116

def sprite()
  @sprite ||= RubySketch::Sprite.new(physics: false).tap do |sp|
    sp.draw          {draw}
    sp.key_pressed   {key_pressed sp.key, sp.key_code}
    sp.mouse_clicked {clicked sp.mouse_x, sp.mouse_y}
  end
end

#valid?(value = self.value, ignore_regexp: focus?) ) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/reight/text.rb', line 53

def valid?(value = self.value, ignore_regexp: focus?)
  case
  when !value        then false
  when ignore_regexp then true
  when !@regexp      then true
  else value =~ @regexp
  end
end