Layer-Purpose Pair Selection Controls

By default, you can change settings, such as the visibility, of only a single layer-purpose pair, object, or grid at a time. To be able to define settings for multiple items at a time, you can use multi-selection mode.

Single-Selection Mode Controls

The following table describes the mouse functions you can use in the Layers panel to define the settings of a layer-purpose pair in single-selection mode.

Task	Selection Action
Turn on or off visibility of a layer-purpose pair	Click the layer-purpose pair by using the middle mouse button. This feature is available if the pteEnableMouseBindings environment variable is set to `t`.
Turn on or off selectability of a layer-purpose pair	Right-click the layer-purpose pair. This feature is available if pteEnableMouseBindings is set to `t`.
Set a layer-purpose pair as current or active	Click the layer-purpose pair. The visibility status of the layer-purpose pair is turned on.
Change appearance of a layer-purpose pair	Hold down the `Shift` key and click the layer-purpose pair. The Display Resource Editor form is displayed, where you can specify the display settings. This feature is disabled if a user-defined trigger is registered using the pteRegisterUserSelectionTrigger environment variable.
Make all except one layer-purpose pairs invisible	Hold down the `Shift` key and use the middle mouse button to click the layer-purpose pair that you want to make visible.
Turn off selectability of all layers except one	Hold down the `Shift` key and right-click the layer-purpose pair that you want to make selectable.

Multi-Selection Mode Controls

The following table describes the mouse functions that you can use in the Layers panel to define the settings of multiple layer-purpose pairs at the same time. These controls are available when the Multi-select mode check box is enabled in the Options form.

Task	Selection Action
Select the first layer-purpose pair and set it as current or active	Click the layer-purpose pair. The visibility status of the layer-purpose pair is turned on.
Extend the selection	Hold down the `Ctrl` or `Shift` key and click the layers that need to be added to the selection.
Add or remove a layer-purpose pair from the current selection	Hold down the `Ctrl` key and click that layer-purpose pair.
Display multi-selection context menu	Right-click a layer-purpose pair. Using the context menu, you can set the visibility, selectability, layer set membership, validity, routing direction, and stipple for the selected layer-purpose pairs.
Reorder layer-purpose pairs	Drag the required layer-purpose pair or a group of layer-purpose pairs up or down the list.

Virtuoso Layout Viewer User Guide
Product Version IC23.1, August 2023