diagrams.net shortcuts
The double click behaviour in diagrams.net has been updated in version 13.4.2 to be more convenient. Now, when you double click on the blank drawing canvas, you can quickly add a shape or text from the selector to your diagram.
There are many keyboard shortcuts you can use when working with shapes from the shape libraries on the left of the drawing canvas in diagrams.net.
Quickly move an entire area of your diagram: hold down the Control and Shift keys, then click on a blank section of the drawing canvas and drag to move it. You’ll see guide lines appear to show you the origin and displacement of the area you are moving.
When you drag a selection box around too many shapes, you can either do it again to include the shapes you wanted to select, or use hold down Alt+Shift and drag a deselection box around those shapes that you don’t want to include in your selection.
You can quickly build flow charts, mind maps or tree diagrams using shortcut key combinations.
When you work with container shapes, dropping a shape over that container inserts that shape into that container. While this is useful for adding steps to a flow chart inside a flow lane (e.g. using the flow layout shape), you may not necessarily want to add the shape for the person responsible into the flow lane container, but instead overlay it.
If you want to delete a shape and all of the connections to and from that shape, you can do that with a keyboard + toolbar shortcut.