---
name: "geisview"
section: "1"
platform: "linux"
package: "geis-tools"
version: "2.2.17-1.1+b1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/geisview"
---

# geisview(1)

view operation of the GEIS API

## NAME

geisview - view operation of the GEIS API

## SYNOPSIS

**geisview \[** **-V** **\]** **\[** **-w** *windowid* **\]** **\[** **-b** *backend* **\]**\

## DESCRIPTION

This manual page explains the **geisview** program. This program is a test driver for verifying the recognition and propagation of gestures through the GEIS API.

## OPTIONS

- \-V

  Prints the version number of the program and exits.

- \-w

  Specifies the *windowId* of a specific window to associate with gestures. Particularly useful with touchscreens. If this argument is not set, the default action is to read gestures on the root window.

  The *windowId* can be determined using the program **xwininfo**.

- \-b

  Specifies the recognizer *back end* to use.

  The following are valid back end selections.

  - dbus

    Uses the DBus back end to connect to a running GEIS server (default).

  - grail

    Uses the dynamically loaded grail back end (default fallback).

  - mock

    Uses a mock back end for testing.

  - xcb

    Uses the pre-XI2 back end (may not be available).

## ENVIRONMENT

- GEIS\_DEBUG

  Enables GEIS library diagnostic messages on stderr.

## SEE ALSO

[geistest(1)](/geistest/1.md)