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require 'tk' | |
class BMI | |
def run | |
@window.mainloop | |
end | |
def initialize | |
@window = TkRoot.new(:title => 'BMI', 'height' => 304, 'width' => 258) do | |
root.geometry('+40+50') | |
end | |
TkLabel.new do | |
text 'Geben sie bitte hier ihr Gewicht ein:' | |
place 'x' => 50, 'y' => 10 | |
end | |
@gewicht = TkText.new('height' => 2, 'width' => 9 ) do | |
place 'x' => 50, 'y' => 40 | |
end | |
TkLabel.new do | |
text 'Geben sie bitte hier ihre Groese ein:' | |
place 'x' => 50, 'y' => 80 | |
end | |
@groesse = TkText.new('height' => 2, 'width' => 9 ) do | |
place 'x' => 50, 'y' => 120 | |
end | |
TkLabel.new do | |
text 'Dies ist ihr BMI' | |
place 'x' => 50, 'y' => 160 | |
end | |
@ergebnis = TkText.new do | |
place 'x' => 50, 'y' => 200 | |
end | |
@button = TkButton.new('height' => 2, 'width' => 10) do | |
text "BMI Berechnen" | |
place 'x' => 50, 'y' => 150 | |
end | |
@button.bind('ButtonRelease-1') do | |
gewicht = @gewicht.text.to_f | |
groesse = @groesse.text.to_f | |
@ergebnis.text = "#{gewicht / (groesse **2)}" | |
end | |
end | |
end | |
lol = BMI.new | |
lol.run | |
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