Mouse bindings list

                           ** 2d+3d **
                     m1             tunnel selector (cycles through matching)
                     m1 drag        create brush, resize, move
             shift + m1             select objects
             shift + m1 drag        paint objects selection
              ctrl + m1             select brush face
              ctrl + m1 drag        paint faces selection
             shift + m2             tunnel selector
             shift + m2 drag        rectangular selector (select/deselect/toggle, complete depth, partial match)
              ctrl + m2             tunnel face selector
              ctrl + m2 drag        rectangular selector of brush faces
               alt + m1             select objects in component modes
        ctrl + alt + m1             extrude pointed/selected brush faces
                drag m1 + shift     snapped modes of manipulators, clipper; new brush is quadratic
                drag m1 + ctrl      snap bbox, while using move and scale manipulators; new brush is cube


                            ** 2d **
                     m2 drag        move pan
                     m2             entities creation menu
               alt + m2 drag        quick zoom in/out
               alt + m1             quick face/vertex shear in QE tool mode
              ctrl + m1             quick clipper mode
                     m1 x2          on clipper point = do clip
                     m3             change 3d camera sight direction
              ctrl + m3             move 3d camera location
             shift + m3             set transform origin in pivoted mode


                            ** 3d **
               alt + m1             alternative objects resizing
                     m1 + alt       adjust height of brush, being created; move stuff vertically
                     m2             enter/quit 3d mouselook mode, sideways + up/down strafes
               alt + m2             orbit around clicked point
                     m2 x2          entities creation menu
                     m3             copy texture name, alignment, color, light power, color
                                    focus on texture in texture browser, fill find/replace dialog entries
               alt + m3/drag        paste texture name (to pointed and selected stuff)
             shift + m3/drag        paste texture name, alignment, light power
              ctrl + m3/drag        paste texture seamlessly between brush faces, light color
      ctrl + shift + m3/drag        project texture from copied brush face, paste light power, color
  alt + ctrl/shift/
       /ctrl+shift + m3/drag        respective texture alignment paste w/o texture name
              ctrl + mouse          sideways + up/down strafes
      ctrl + shift + mouse          sideways + forward/back strafes


                       **texture browser**
                     m1             select texture + apply to selection
             shift + m1             open shader in internal editor
      ctrl + shift + m1             open shader in external editor
                     m2             show tags frame
                     m2 drag        scroll pan
                drag m2 + shift     scroll pan 4x faster
                     m1 x2          load directory, selected texture belongs to
                     m2 x2          load common/ directory
                     m3             select texture, don't apply to selection


                    **entities creation menu**
                     m1             create an entity
                                    worldspawn = ungroup selected primitives
                     m2             convert selected entities
                                    worldspawn = ungroup selected entities
              ctrl + m1/2           do things, keep menu opened



            scroll:                 2d: zoom; 3d: move; tex bro: scroll