Breadboard Design Sheet¶

The Breadboard is the primary Design Sheet in VBB and consists of a collection of components wired together to create a circuit.

Breadboard Sheet : Graphics Canvas for laying out interactive circuit visualisations
Design Modes : Select, Move, Pan edit modes toolbar
Zoom Actions : Zoom-In, Zoom-Out toolbar actions.
Zoom Origin : Zoom-Origin restores the zoom and pan factors
More Actions : Additional context sensitive actions

Breadboard Sheet¶

The Breadboard Sheet is where components and wires are placed to create circuits.

Design Modes¶

The Breadboard Design Sheet operates in distinct editing modes which determine how the cursor appears and the operations it will perform.

State	ShortCut	Description
Select Mode	C	Select one or more components
Move Mode	V	Select and move components
Pan Mode	X	Pan the design
Link Mode	L	Add links to the design - from Wire Ribbon tool
Junction Mode	J	Add Junctions to the design - from Wire Ribbon tool

Select Mode¶

Left Click

Selects a component and populates the properties
(+ Shift) an unselected component appends a component to the selection list
(+ Shift) a selected component removes the selected component from the selection list
on the resize icon allows a resizeable component to be resized

Right Click

Shows Context Menu with layered components at current location.

Move Mode¶

Select and move components

Left Pointer Down

Selects topmost component under the point to move
(+ Shift) an unselected component appends a component to the selection list
(+ Shift) a selected component removes the selected component from the selection list

Right Pointer Down

Selects all the components currently in the group to move

Drag-Drop

Moves all selected components to new location

Pan Mode¶

On Left Mouse Hold

Drag to pan the design

Link Mode¶

On Left Click

Begin a new link if not creating a link
Create a link joint

On Left Double Click

If creating a link creates a final link joint at current pointer location and complete the link

On Right Click

If creating a link then completes the link using the last link joint as the final link location

Junction Mode¶

On Left or Right pointer Click

Places a junction at the point location

Zoom Actions¶

Zoom + to zoom-in with double scale factor. Zoom - to zoom-out with half scale factor.

You can also zoom with the scroll mouse. Zoom will center to the location of the mouse.

NOTE: There is a problem with snapping when not using a scale factor of a multiple of 2. Recommend only using the scroll mouse for read only actions and runtime interactions. Editing should be done when restore the zoom using the origin and using the zoom +/- to scale with a factor multiple of 2.

Zoom Origin¶

Zoom origin to restore the zoom factor and the offset

More Actions¶

Additional special function actions are accessed from the more actions dropdown