The Qt Virtual Keyboard project provides an input framework and reference
keyboard frontend for Qt 5. Key features include:

* Customizable keyboard layouts and styles with dynamic switching.
* Predictive text input with word selection.
* Character preview and alternative character view.
* Automatic capitalization and space insertion.
* Scalability to different resolutions.
* Support for different character sets (Latin, Simplified/Traditional Chinese,
Hindi, Japanese, Arabic, Korean, and others).
* Support for most common input languages, with possibility to easily extend
the language support.
* Left-to-right and right-to-left input.
* Hardware key support for 2-way and 5-way navigation.
* Handwriting support, with gestures for fullscreen input.
* Audio feedback.