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SpinButtonSample

Public Class Methods

new() click to toggle source
# File gtk2/sample/testgtk/spinbutton.rb, line 46
def initialize
  super("Gtk::SpinButton")
    
  main_vbox = Gtk::VBox.new(false, 5)
  main_vbox.set_border_width(10)
  add(main_vbox) 
   
  frame = Gtk::Frame.new("Not accelerated")
  main_vbox.pack_start(frame, true, true, 0)
    
  vbox = Gtk::VBox.new(false, 0)
  vbox.set_border_width(5)
  frame.add(vbox)
    
  # Day, month, year spinners 
    
  hbox = Gtk::HBox.new(false, 0)
  vbox.pack_start(hbox, true, true, 5)
    
  vbox2 = Gtk::VBox.new(false, 0)
  hbox.pack_start(vbox2, true, true, 5)
    
  label = Gtk::Label.new("Day :")
  label.set_alignment(0, 0.5)
  vbox2.pack_start(label, false, true, 0)
    
  adj = Gtk::Adjustment.new(1.0, 1.0, 31.0, 1.0, 5.0, 0.0)
  spinner = Gtk::SpinButton.new(adj, 0, 0)
  spinner.wrap = true
  vbox2.pack_start(spinner, false, true, 0)

  vbox2 = Gtk::VBox.new(false, 0)
  hbox.pack_start(vbox2, true, true, 5)
    
  label = Gtk::Label.new("Month :")
  label.set_alignment(0, 0.5)
  vbox2.pack_start(label, false, true, 0)
    
  adj = Gtk::Adjustment.new(1.0, 1.0, 12.0, 1.0, 5.0, 0.0)
  spinner = Gtk::SpinButton.new(adj, 0, 0)
  spinner.wrap = true
  vbox2.pack_start(spinner, false, true, 0)
    
  vbox2 = Gtk::VBox.new(false, 0)
  hbox.pack_start(vbox2, true, true, 5)

  label = Gtk::Label.new("Year :")
  label.set_alignment(0, 0.5)
  vbox2.pack_start(label, false, true, 0)

  adj = Gtk::Adjustment.new(1998.0, 0.0, 2100.0, 1.0, 100.0, 0.0)
  spinner = Gtk::SpinButton.new(adj, 0, 0)
  spinner.wrap = true
  spinner.set_size_request(55, -1)
  vbox2.pack_start(spinner, false, true, 0)

  frame = Gtk::Frame.new("Accelerated")
  main_vbox.pack_start(frame, true, true, 0)

  vbox = Gtk::VBox.new(false, 0)
  vbox.set_border_width(5)
  frame.add(vbox)
    
  hbox = Gtk::HBox.new(false, 0)
  vbox.pack_start(hbox, false, true, 5)
    
  vbox2 = Gtk::VBox.new(false, 0)
  hbox.pack_start(vbox2, true, true, 5)
    
  label = Gtk::Label.new("Value :")
  label.set_alignment(0, 0.5)
  vbox2.pack_start(label, false, true, 0)

  adj = Gtk::Adjustment.new(0.0, -10000.0, 10000.0, 0.5, 100.0, 0.0)
  spinner1 = Gtk::SpinButton.new(adj, 1.0, 2)
  spinner1.set_wrap(true)
  spinner1.set_size_request(100, -1)
  spinner1.set_update_policy(Gtk::SpinButton::UPDATE_ALWAYS)
  vbox2.pack_start(spinner1, false, true, 0)

  vbox2 = Gtk::VBox.new(false, 0)
  hbox.pack_start(vbox2, true, true, 5)

  label = Gtk::Label.new("Digits :")
  label.set_alignment(0, 0.5)
  vbox2.pack_start(label, false, true, 0)

  adj = Gtk::Adjustment.new(2, 1, 5, 1, 1, 0)
  spinner2 = Gtk::SpinButton.new(adj, 0.0, 0) 
  spinner2.wrap = true
  adj.signal_connect("value_changed"){
    spinner1.digits = spinner2.value_as_int
  }
  vbox2.pack_start(spinner2, false, true, 0)
  
  hbox = Gtk::HBox.new(false, 0)
  vbox.pack_start(hbox, false, true, 5)

  button = Gtk::CheckButton.new("Snap to 0.5-ticks")
  button.signal_connect("clicked"){
    spinner1.snap_to_ticks = button.active?
  }
  vbox.pack_start(button, true, true, 0)
  button.set_active(true)

  button2 = Gtk::CheckButton.new("Numeric only input mode")
  button2.signal_connect("clicked"){
    spinner1.numeric = button2.active?
  }
  vbox.pack_start(button2, true, true, 0)
  button2.active = true

  val_label = Gtk::Label.new("")

  hbox = Gtk::HBox.new(false, 0)
  vbox.pack_start(hbox, false, true, 5)

  button3 = Gtk::Button.new("Value as Int")
  button3.signal_connect("clicked"){get_value(spinner1, val_label, 1)}
  hbox.pack_start(button3, true, true, 5)

  button4 = Gtk::Button.new("Value as Float")
  button4.signal_connect("clicked"){get_value(spinner1, val_label, 2)}
  hbox.pack_start(button4, true, true, 5)

  vbox.pack_start(val_label, true, true, 0)
  val_label.text = "0"

  hbox = Gtk::HBox.new(false, 0)
  main_vbox.pack_start(hbox, false, true, 0)

  button5 = Gtk::Button.new("Close")
  button5.signal_connect("clicked"){destroy}
  hbox.pack_start(button5, true, true, 5)
end

Public Instance Methods

get_value(spin, label, data) click to toggle source
# File gtk2/sample/testgtk/spinbutton.rb, line 37
def get_value(spin, label, data)
  if (data == 1)
    buf = sprintf("%d", spin.value_as_int)
  else
    buf = sprintf("%0.*f", spin.digits, spin.value)
  end
  label.text = buf
end

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