ui-cam-focus - Geomview Manual
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#### 7.2.141 ui-cam-focus

`(ui-cam-focus [focus-change|mouse-cross])`
  Set the focus policy for the camera windows. The default is `mouse-cross`: a camera is made the active camera (for interactive mouse events) when the mouse cursor crosses the window. Because this means it can become complicated to activate a specific camera (in the context of multiple camera windows) there is also the option to only change the camera focus when the window-manager decides to give it the focus for input events. So, after specifying `focus-change` it depends on the focus-change configuration of your window-manager when a camera becomes the active camera for mouse-interaction. To change this behaviour permanently you could, e.g., place the following line in your `${HOME}/.geomview` file (see Customization):

                (progn
                  (ui-cam-focus focus-change)
                  ... # other stuff
                )