基于Qt的嵌入式虚拟键盘设计与实现

Design and Implementation of Embedded Virtual Keyboard Based on Qt

虚拟键盘作为触屏设备上的基本部件,代替了机械键盘。本文介绍了一种基于Qt的虚拟键盘的设计,运行于Linux操作系统上,虚拟键盘主要包含功能键、数字、字母,界面简单、操作方便,可应用于Linux操作系统的触屏设备。与传统的机械键盘相比,虚拟键盘具有便携性强、成本较低、使用寿命长等特点。

The virtual keyboard,which replaces the mechanical keyboard,is the basic part of a touch-screen device.This article introduces a qt-based virtual keyboard design that runs on the Linux operating system.The virtual keyboard mainly contains function keys,numbers and letters.Its interface is simple and easy to operate.It can be applied to touch screen devices of Linux operating system.Compared with the traditional mechanical keyboard,it has the characteristics of convenient,low cost and long service life.