MoveMask

app.command.MoveMask {
  target=string,
  wrap=bool,
  direction=string,
  units=string,
  quantity=int
}

Moves the selection boundaries or its content (pixels).

target (string): must be
- 'boundaries' to modify selection boundaries only or
- 'content' to modify the selection content (active cel pixels)
wrap: true or false, when true it does the Edit > Shift effect, were pixels from one side in will appear from the other side (so the content is shifted and pixels wrapped, so the selection boundaries is not moved at all, only pixels inside it)
direction: The selection will be moved to a specific direction, can be "left", "right", "up" or "down". units: The unit to use for quantity. Can be "pixel", "tile-width", "tile-height" "zoomed-pixel", "zoomed-tile-width", "zoomed-tile-height", "viewport-width", "viewport-height".
quantity: the number of pixels, or tile-widths, etc. to move the selection to the given direction depending on the units.