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GUI component interaction: Difference between revisions
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Line 179:
Application.Run(new RosettaInteractionForm());
}
}
</lang>
=={{header|Fantom}}==
<lang fantom>
using fwt
using gfx
class GuiComponent
{
public static Void main ()
{
Window
{
title = "Rosetta Code: Gui component"
size = Size(350, 200)
textField := Text
{
onModify.add |Event e|
{
Text thisText := e.widget
if (thisText.text != "") // if nonempty string
{
try (thisText.text.toInt) // try converting to int
catch thisText.text = "" // clear field if does not work
}
}
}
GridPane
{
numCols = 1
textField,
Button
{
text = "increment"
onAction.add |Event e|
{ // make sure there is a number to increment, else set field to 0
if (textField.text == "")
{
textField.text = "0"
}
else
{
try
{
Int x := textField.text.toInt
textField.text = (x+1).toStr
}
catch
{
textField.text = "0"
}
}
}
},
Button
{
text = "random"
onAction.add |Event e|
{
if (Dialog.openQuestion(e.window, "Make number random?", null, Dialog.yesNo) == Dialog.yes)
{
textField.text = Int.random(1..10000).toStr
}
}
},
},
}.open
}
}
</lang>
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