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Design and Implementation of User Input Module for Embedded Graphical User Interface

Author: GuanNaiXuan
Tutor: DuXu
School: Huazhong University of Science and Technology
Course: Communication and Information System
Keywords: Embedded graphical user interface system User input module Qt Embedded Pinyin input method
CLC: TP391.41
Type: Master's thesis
Year: 2011
Downloads: 49
Quote: 0
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Abstract


In the embedded graphical user interface (GUI) systems , the user input is the basis of the human-computer interaction . The functional requirements of the user input module includes two aspects : first , to support a variety of input methods , such as a mouse , keyboard , IR remote control , soft keyboard in order to adapt to the different scenarios of embedded devices ; Second , support for multiple character sets input , such as the English character set and Simplified Chinese Traditional character set to meet the localized needs of embedded devices . In this paper, these two aspects of the functional requirements , relying on family information terminal projects , research and realization of embedded GUI user input module . This paper describes the first the embedded GUI user input module technical background as well as the goal of this study . GUI user input module and then home information terminal design and key technologies involved in the process were introduced , including embedded GUI system, the Chinese display technology , Chinese input method . Next mainstream embedded GUI system research and , combined with the home information terminal hardware platform and application requirements , choose the development and design of graphical user interface based on Qt Embedded , and the Qt Embedded GUI system message events drive mechanisms , multi -lingual mechanism has conducted in-depth research and analysis , based on Qt Embedded soft keyboard and infrared remote control to drive with a keyboard and mouse functions . In order to support Chinese input , the rest of this article describes the the phrase input function Pinyin input method design and implementation . Last test programs and test results are given in the home information terminal system platform specific analysis , and the prospect of the next stage of the research work .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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