20 lines
427 B
Ruby
20 lines
427 B
Ruby
Shoes.app do
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stack do
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@textbox = edit_line
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@textbox.change do
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@textbox.text = @textbox.text.gsub(/[^\d]/, '') and alert "Input must be a number!" if @textbox.text !~ /^\d*$/
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end
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flow do
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button "Increment" do
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@textbox.text = @textbox.text.to_i + 1
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end
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button "Random" do
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@textbox.text = rand 5000 if confirm "Do you want a random number?"
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end
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end
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end
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end
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