Pickers

Modal dialogs for picking values. All use a nested event-loop step (uiMainStep(1)) — they do NOT call uiQuit(), so they can be called from within an already-running uiMain() loop. All accept an optional parent Window parameter for centering.

Class	Returns	Description
ColorPickerDialog	?Color	Wraps ColorButton in a temp modal window
FontPickerDialog	?FontDescriptor	Wraps FontButton in a temp modal window
DatePickerDialog	?\DateTimeImmutable	Date-only picker (no time)
TimePickerDialog	?\DateTimeImmutable	Time-only picker (no date)

$color = ColorPickerDialog::pick($mainWindow);
if ($color !== null) {
    // use color
}

$font = FontPickerDialog::pick($mainWindow);
if ($font !== null) {
    // use font descriptor
}

$date = DatePickerDialog::pick($mainWindow);
$time = TimePickerDialog::pick($mainWindow);