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Contents
# encoding: ascii-8bit
# Copyright 2014 Ball Aerospace & Technologies Corp.
# All Rights Reserved.
#
# This program is free software; you can modify and/or redistribute it
# under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 3 with
# attribution addendums as found in the LICENSE.txt
require 'cosmos'
require 'cosmos/gui/choosers/value_chooser'
module Cosmos
class FloatChooserDoubleValidator < Qt::DoubleValidator
def initialize(*args)
super(*args)
end
def fixup(input)
begin
value = input.to_f
if value < bottom()
# Handle less than bottom
parent().setText(bottom().to_s)
elsif value > top()
# Handle greater than top
parent().setText(top().to_s)
end
rescue Exception => err
# Oh well no fixup
end
end
end
class FloatChooser < ValueChooser
# Callback for a new value entered into the text field
attr_accessor :sel_command_callback
def initialize(parent, label_text, initial_value,
minimum_value = nil, maximum_value = nil,
field_width = 20, fill = false)
super(parent, label_text, initial_value, field_width, fill)
@minimum_value = minimum_value
@maximum_value = maximum_value
validator = FloatChooserDoubleValidator.new(@value)
validator.setBottom(minimum_value) if minimum_value
validator.setTop(maximum_value) if maximum_value
validator.setNotation(Qt::DoubleValidator::StandardNotation)
@value.setValidator(validator)
end
# Returns the value as a float
def value
float_value = @value.text.to_f
float_value = @minimum_value if @minimum_value && float_value < @minimum_value
float_value = @maximum_value if @maximum_value && float_value > @maximum_value
float_value
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems