Class: TKXXS_CLASSES::AskSingleLineD

Inherits:
Tk::Tile::Entry
  • Object
show all
Includes:
Tk::Tile
Defined in:
lib/tkxxs/tkxxs_classes.rb

Constant Summary collapse

CONF = 
nil

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(question = nil, help = nil, hash = nil) ⇒ AskSingleLineD

See: TKXXS.ask_single_line



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# File 'lib/tkxxs/tkxxs_classes.rb', line 178

def initialize( question=nil, help=nil, hash=nil )
  question, help, hash = TKXXS_CLASSES.args_1(question, help, hash)

  # Must always include:  :question, :help
  hash = { # Default values
    :question => "?",
    :help => nil,
    :defaultEntry => '', 
  }.merge(hash)
  
  # Necessary, because hash[:configSection]  is deleted later on
  # with +args_2+.
  CONF.section = hash[:configSection] if CONF && hash[:configSection]

  help, hash, question, defaultEntry = 
    TKXXS_CLASSES.args_2(help,hash,question,:defaultEntry)
  
  teardownDone = false
  @ans = nil
  @goOn = goOn = TkVariable.new 
  # Because you cannot use instance-vars in procs. TODO: smarter way?

  Tk.update # Show any calling widget first to make it lower than @dialog 
  #----  Toplevel: @dialog
  @dialog=Toplevel.new() {title "Please enter your answer..."} 
  @dialog.geometry = CONF[:dialogGeom]  if CONF
  @dialog.raise
  @dialog.bind('Destroy') {
    unless teardownDone
      if CONF
        CONF[:dialogGeom] = @dialog.geometry
      end
      goOn.value = '1' # !
      teardownDone = true
    end
  }

  #----  Frame 
  @frame = Frame.new(@dialog) {padding "3 3 3 3"}.
    pack(:fill=>:both,:expand=>true)

  #----  Label 
  @lbl = Label.new(@frame, :text=>question){
    font $font if $font
    wraplength '5i'
    justify 'left'
  }
  @lbl.grid(:column=>0,:columnspan=>3,:sticky=>'ws')

  #---- self = TkEntry
  super(@frame, hash) 
  self.grid(:column=>0,:columnspan=>3,:sticky=>'ew')
  self.insert(0, defaultEntry)
  bind('Key-Return') {
    ans_( self.get )
    self.dialog.destroy
    goOn.value = '1'
  }

  #----  Button-Cancel 
  @btn = Button.new(@frame, :text=>"Cancel").
    grid(:column=>0,:row=>2)
  @btn.command { 
    self.dialog.destroy 
  }

  #----  Button-OK 
  @btn2 = Button.new(@frame, :text=>"OK").
    grid(:column=>2,:row=>2)
  @btn2.command { 
    ans_( self.get )
    self.dialog.destroy
    goOn.value = '1'
  }

  #----  Balloonhelp
  if help
    BalloonHelp.new(self, :text => help )
  end
  
  @frame.grid_columnconfigure([0,2],:weight=>0)
  @frame.grid_columnconfigure(1,:weight=>1)
  @frame.grid_rowconfigure(0,:weight=>1)
  @frame.grid_rowconfigure([1,2],:weight=>0)

  focus
  update
end

Instance Attribute Details

#dialog ⇒ Object

in: “self.dialog



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# File 'lib/tkxxs/tkxxs_classes.rb', line 174

def dialog
  @dialog
end

Instance Method Details

#answer ⇒ Object

Returns: (String or nil) The answer of the dialog. ‘Cancel’ returns nil.



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# File 'lib/tkxxs/tkxxs_classes.rb', line 269

def answer(  )
  @dialog.raise
  @goOn.wait
  @ans
end