Private/Get-PositionWithVKey.ps1
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function Get-PositionWithVKey([Array]$MenuItems, [int]$Position, $VKeyCode) { $MinPosition = 0 $MaxPosition = $MenuItems.Count - 1 $WindowHeight = Get-ConsoleHeight Set-Variable -Name NewPosition -Option AllScope -Value $Position <# .SYNOPSIS Updates the position until we aren't on a separator #> function Reset-InvalidPosition([Parameter(Mandatory)][int] $PositionOffset) { $NewPosition = Get-WrappedPosition $MenuItems $NewPosition $PositionOffset } If (Test-KeyUp $VKeyCode) { $NewPosition-- Reset-InvalidPosition -PositionOffset -1 } If (Test-KeyDown $VKeyCode) { $NewPosition++ Reset-InvalidPosition -PositionOffset 1 } If (Test-KeyPageDown $VKeyCode) { $NewPosition = [Math]::Min($MaxPosition, $NewPosition + $WindowHeight) Reset-InvalidPosition -PositionOffset -1 } If (Test-KeyEnd $VKeyCode) { $NewPosition = $MenuItems.Count - 1 Reset-InvalidPosition -PositionOffset 1 } IF (Test-KeyPageUp $VKeyCode) { $NewPosition = [Math]::Max($MinPosition, $NewPosition - $WindowHeight) Reset-InvalidPosition -PositionOffset -1 } IF (Test-KeyHome $VKeyCode) { $NewPosition = $MinPosition Reset-InvalidPosition -PositionOffset -1 } Return $NewPosition } |