![]() I can turn the middle mouse button off by setting it to 0: They represent the left, middle, and right mouse buttons. Really, only the first three numbers have meaning for me. My mouse has the Logitech logo printed on it, so I gather I need the last entry. ![]() Fortunately it can be disabled.įirst, you need to know the id of the mouse, like this: This is a great feature, but you may find it irritating. ![]() Scrollwheel mice support a middle-button click event when pressing the scrollwheel. Option "TransformationMatrix" "0 1 0 -1 0 1 0 0 1"Įxample: Disabling middle-mouse button paste on a scrollwheel mouse the Coordinate Transformation Matrix in an nf type file (e.g., /etc/X11//nf), set the "TransformationMatrix" option ( NOT "CoordinateTransformationMatrix" or "Coordinate Transformation Matrix"!!!!) in an InputDevice or InputClass section for example: Input Configuration with InputClass sections $ xinput set-int-prop 8 "Device Enabled" 8 0 Synaptics touchpads are particularly configurable like this, but other devices have some more general properties. Xinput can also be used to alter the button mappings on mice and adjust the acceleration and feedback settings.ĭifferent input drivers may also expose arbitrary properties for applications to set. Individual devices can be queried for more details by using the numerical id or the name: ThinkPad USB Keyboard with TrackPoint id=7 To view a listing of the input devices X sees, run: The xinput command line tool can be used for some on-the-fly configuration adjustments. However, if you do need to do adjust things, read on. With this functionality, it's likely that you won't need to do any configuration at all to make your devices work, assuming they're recognized and set up by the kernel. Example: Disabling middle-mouse button paste on a scrollwheel mouse.Input Configuration with InputClass sections.Dynamic Input Configuration with xinput.This data could then be moved to the cRIO using a shared variable or alternative communication method depending on the particular application. If you would like to use the joystick to control a CompactRIO (cRIO), you will need to run the Joystick VIs on a host computer due to using external code that would not run on a cRIO system. Keyboard monitoring can also be found at Monitoring of Keyboard Buttons that are Pressed.Mouse monitoring can be found at Monitoring Mouse Movements and Clicks.> Building User Interfaces > Acquiring User Input > Keyboard and Mouse > Monitoring Keyboard and Mouse Activity.vi LabVIEW: Navigate to Help > Find Examples.Note: This method will work with Windows and Linux operating systems, but are not supported on MAC OS X. This VI should be called at the completion of reading to close the reference to the device. Wire the device ID output from the Acquire Input Data.vi to the device ID input of the Close Input Device.vi. Direction info: Use this output for the joystick's Point of View (also called Point of View Hat) inouts.Please note that they might not map the same way as they appear in your joystick. Button info: This cluster of boolean controls gives you the status of each one of the buttons in the joystick.Axis info: This cluster of numeric controls returns the joystick's rotating inputs.This VI is polymorphic and will also return information for a mouse or keyboard if such a device ID is passed to it. For the joystick, this VI will give information such as the axis information, button status, and directional information that corresponds to the operations on the joystick or gamepad. Wire the device ID output from the Initialize Joystick.vi to the device ID input of Acquire Input Data.vi.Use the corresponding Initialize VI if doing this for a different input device. This is a numeric value that corresponds to the device number given by the operating system. In this VI, use the device index input to identify the device to be read from. The following example walks through how to read from a joystick input device, and the same process applies to mice and keyboards. These VIs are found on the Connectivity>Input Device Control palette. These VIs allow you to monitor attached keyboards, mice, and joysticks. To monitor these devices in LabVIEW you can use the built in Input Device VIs.
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