Mouse

KeyWorks inActionWorks if
LMB

Place cursor/gesture/vertex paint

 
CTRL-LMB

Add vertex

MMB

Trackball

 
MMB

Translate view

 
SHIFT-MMB

Translate view (see numpad c-2468)

 
CTRL-MMB

Zoom view (see number +/-)

 
RMB

Select

 
SHIFT-RMB

Add to selection

 
CTRL-RMB

Select object by closest object center

 
SHIFT-CTRL-RMB

Add selection by closest object center

 
CTRL-RMB

Select object & affect active object

 
SHIFT-CTRL-RMB

Add to selection & affect active object