a: Add node (outgoing edge from focused)
A: Add node (unconnected)
i: Add node (incoming edge to focused)
I: Add node (unconnected, same as A)
c/s: Change element name
C: Add edge (focused to target ID)
x: Delete focused node & edges
D: Delete node, connect neighbors
/: Find/focus element
Navigation (Focus):
w: First outgoing node
W: First outgoing edge
e: Last outgoing node
E: Last outgoing edge
b: First incoming node
B: First incoming edge
Tab: Cycle after w/W/e/E/b/B
h/←: Node to left
j/↓: Node below
k/↑: Node above
l/→: Node to right
Window:
<< (Shift+,): Zoom out
>> (Shift+.): Zoom in
Ctrl+k: Pan up
Ctrl+j: Pan down
Ctrl+h: Pan left
Ctrl+l: Pan right
z: Center focused node
M: Focus most central node
Graphvi ready. Focused: None