Qt Virtual Keyboard

The Qt Virtual Keyboard project provides an input framework and reference keyboard frontend for Qt 5 on Linux Desktop/X11, Windows Desktop, and Boot2Qt targets.

The input framework makes it easy to write custom input methods or to integrate 3rd party input engines. The input methods can be implemented in C++ or QML.

Features

Key features of the Qt Virtual Keyboard 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.
  • Cross-platform functionality.

Supported Languages

The Virtual Keyboard supports the following languages:

  • Arabic
  • Danish
  • English
  • Finnish
  • French
  • German
  • Hindi
  • Italian
  • Japanese
  • Korean
  • Norwegian
  • Persian/Farsi
  • Polish
  • Portugese
  • Russian
  • Simplified Chinese
  • Traditional Chinese
  • Spanish
  • Swedish

To add support for an additional language, see Adding New Keyboard Layouts.

Guides

API Reference

Examples

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