Slicer3:UIDesign:WorkingProblems:MouseModes:Draft1

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User-suggestions for interaction patterns

  • various lassos would be nice to select multiple of the thing current mode indicates
  • single click to select one of the thing the current mode indicates
  • control-click to select multiple of the thing the current mode indicates
  • a shift-click to select ALL of the thing the current mode indicates

Draft 1

The following four mouse modes are proposed:

  • Pick (or select),
  • Manipulate (or transform selected),
  • Place ( or create new object), and
  • Transform View.

Transform View is the default mode. All other modes can be invoked in a non-persistent manner from this mode with hot-keys. (which keys to choose?) The proposed design attempts to accommodate user requests listed above, and to provide keyboard+mouse commands for transform view and transform object that are consistent across modes.

MouseModes.png

Current bindings:

  • 3D viewer: left mouse button >> rotate
  • 3D viewer: middle mouse button >> pan
  • 3D viewer: mouse wheel button >> zoom in/out
  • 3D viewer: right mouse button, pull drag >> zoom in
  • 3D viewer: right mouse button, push drag >> zoom out
  • Slice viewer: left mouse button >> select/move a fiducial point
  • Slice viewer: middle mouse button >> pan
  • Slice viewer: mouse wheel button >> scroll slices
  • Slice viewer: right mouse button, pull drag >> zoom in
  • Slice viewer: right mouse button, push drag >> zoom out
  • special key-bindings enable placing of fiducials

Proposed bindings:

Pick mode:

  • left-mouse-button click (mouse up) for single selection
  • ctrl+left-mouse-button click (mouse up) for multiple selection
  • shift+left-mouse-button click (mouse up) for selecting all of a datatype, where appropriate

Manipulate mode:

  • left-mouse-button press+drag to rotate
  • middle-mouse-button press+drag to translate
  • right-mouse-button press+drag to scale
  • shift+left-mouse-button press+drag to translate
  • ctrl+shift+left-mouse-button press+drag to scale

Place mode:

  • left-mouse-button-down creates and initially places an object
  • drag translates the object in X,Y
  • left-mouse-button-up finalizes place operation.

Transform view mode:

  • left-mouse-button press+drag to rotate
  • middle-mouse-button press+drag to pan
  • right-mouse-button press+drag to zoom
  • shift+left-mouse-button press+drag to pan
  • ctrl+shift+left-mouse-button press+drag to zoom