【正文】 and the graphics output abstraction layer ， which are connected with the underlying inputoutput device to facilitate the GUI to connect different input and outpLAL和GAL是單獨(dú)的硬件設(shè)備輸入抽象層和圖形輸出抽象層,這是基本輸入輸出設(shè)備，以方便GUI連接到不同的輸入和輸出devices ， to achieve good portability and versatility of the GUI system ．設(shè)備,以達(dá)到良好的可移植性和GUI系統(tǒng)的多功能性。此外，顯示，刪除，移動和其他對環(huán)境的業(yè)務(wù)，并完成相應(yīng)的映射操作，通過分布的PAINT的相關(guān)消息，調(diào)用窗口模塊或GUI模塊的功能 。 4) Window movement: one of the basic requirements of the GUI system is that the window can be dragged so the window module provides a system call a GUI window sh4）窗口移動：GUI系統(tǒng)的基本要求之一是可以拖動窗口，為窗口模塊提供了一個系統(tǒng)調(diào)用GUI窗口顯示函數(shù)來完成這個功能，和發(fā)送MSG_SHOWMAINWIN消息could not see can be 。 IV ． CONCLUSIONⅣⅣ. 結(jié)論At present, the study of the embedded Linux system is booming ， and has occupied a lot of market share ， but the GUI system based on embedded Linux system is in the目前，嵌入式Linux系統(tǒng)的研究正在蓬勃發(fā)展，已經(jīng)占據(jù)了很大的市場份額，但在基于嵌入式Linux系統(tǒng)的GUI系統(tǒng)的發(fā)展階段，有許多重要問題有待解決。[3] ． Pusty Russell ， Daniel Quinlan Cipher Yeoh ． Filesystem Hierarchy Standard v2 ． 3 ． Filesystem Hierarchy Standard Group ， 2004 5556 ．[3].羅素，丹尼爾 [6] ． Memon AM ， Pollack ME ， So 行 h ML ． Hierarchical GUI test case generation using automated planning ． Software Engineering IEEE Transactions,200l ， No ． 2 ． V01 ． 27 ， 144 ． 155 ． [6].梅蒙A M，波拉克M E。 Wesley ， 2004 ： 321323 ．更好的翻譯建議指 導(dǎo) 教 師 評 語 外文翻譯成績：指導(dǎo)教師簽字： 2011年12月10日注：1. 指導(dǎo)教師對譯文進(jìn)行評閱時應(yīng)注意以下幾個方面：①翻譯的外文文獻(xiàn)與畢業(yè)設(shè)計（論文）的主題是否高度相關(guān)，并作為外文參考文獻(xiàn)列入畢業(yè)設(shè)計（論文）的參考文獻(xiàn)；②翻譯的外文文獻(xiàn)字?jǐn)?shù)是否達(dá)到規(guī)定數(shù)量（3 000字以上）；③譯文語言是否準(zhǔn)確、通順、具有參考價值。軟件工程匯刊，2001， 。文件系統(tǒng)層次標(biāo)準(zhǔn)集團(tuán)，2004年 5556。它的測試結(jié)果和分析表明，與其他嵌入式GUI系統(tǒng)相比，該系統(tǒng)具有更好的可移植性，準(zhǔn)備和定制，系統(tǒng)資源消耗少，對于相關(guān)軟件的發(fā)展有一定的參考價值。 Initialization module only provides an overall GUI initialization function and a clearance function when terminating the GUI, thus the GUI entrance function 當(dāng)要終止GUI時，初始化模塊只提供了一個整體的GUI初始化函數(shù)和清除功能，initialize the various pans of the GUI through calling a GUI initialization function ． to make the GUI work normally ． The clearance function of GUI termination is responsible for the pletion of all relevant clearance work in the termination因此界面的入口函數(shù)可以通過調(diào)用GUI初始化函數(shù)初始化GUI的各種操作，使GUI正常工作。operations in the GUI ． such as the distribution of input messages ； processing the impact of the main window addition, display ， deletion, movement and other operations on the environment, and the pletion of the corresponding mapping operations through the distribution of the PAINT related news, calling the window module or GDI module functions ．2) Window deletion: in the GUI, it is often needed to delete a main window, for example, the dialog is occurred in the form of main window, so when it will be closed it should be deleted and users may have to independently remove a main window ． The window module provides the function to delete the window through system calling, and ultimately sends MEG_REMOVEMAINWIN message to the desktop ．2）窗口刪除：在GUI中它往往需要刪除一個主窗口，例如，對話框在主窗口的形式出現(xiàn)，所以它將被關(guān)閉，它應(yīng)該被刪除，用戶可能有獨(dú)立刪除一個主窗口。 C Message and eventdriven mechanism submoduC消息和事件驅(qū)動機(jī)制的子模塊 This submodule is mainly responsible far message receiving, distribution and routing operations ．該子模塊主要負(fù)責(zé)消息接收，分配和路由操作。以上顯示模式is the window model of the GUI system ． which is to determine how to display the window on the screen ． how to change the size ， how to move and the level relationship是窗口GUI系統(tǒng)模型。與一般的計算機(jī)處理系統(tǒng)不同，它不具有大容量硬盤作為存儲介質(zhì)，而用最普遍使用的EPROM，EEPROM，或閃存作為存儲介質(zhì)。 embedded system。 KeywordsLinux。system for specific applications ， generally is costsensitive ， and its hardware and software must be efficiently designed, tailored to remove redundancy ． A good embedded system is the minimum system to plete the target functions ．在一般情況下，嵌入式系統(tǒng)由硬件和軟件兩個主要部分組成，硬件部分包括處理器/微處理器，存儲器，外圍設(shè)備的I/O端口，圖形控制器等嵌入式系統(tǒng)。不同的圖形用戶界面系統(tǒng)使用不同的顯示模式。B. Core mechanism design and The core mechanism module is the most important ponent of the embedded GUI system, including message and eventdriven mechanism ， desktop operations predefined stack, initialization, and timer operation several submodules ， the follows will briefly introduce the functions of several submodule核心機(jī)制模塊是嵌入式GUI系統(tǒng)的最重要組成部分，包括消息和事件驅(qū)動機(jī)制，桌面操作預(yù)先定義的堆棧，初始化，定時器操作等幾個子模塊，以下將簡要介紹這幾個子功能模塊。l) Window addition: when the user creating a main window in the calling system API, in addition to setting its own character attribute value, also the related system information will be changed, for example, there is overlapping relationship between the new main window and the existing main window, which will be related to the operation of the Z order list: and the new added main window will lead to the change of the existing main window cut information ．1）窗口添加：除了設(shè)定自己的屬性值，當(dāng)用戶在調(diào)用系統(tǒng)API創(chuàng)建一個主窗口時，相關(guān)系統(tǒng)的信息也將被改變，例如：新的主窗口和現(xiàn)有的主窗口之間有重疊的關(guān)系，這將關(guān)系到Z序列表的操作：新增加的主窗口將導(dǎo)致現(xiàn)有的主要窗口削減信息的變化。function to plete this function, and send MSG_SHOWMAINWIN message to the desktoE. Initialization on It is a basic GUI system module ， and the beginning of each GUI operation will carry out set and initialization operations for the entire GUI environment parameters through the API function of this module ．這是一個基本的GUI系統(tǒng)模塊，每個GUI操作的開始均是通過這個模塊的API函數(shù)開展整個GUI環(huán)境參數(shù)的設(shè)置和初始化操作。This paper designed an embedded Linuxbased graphical user interface design, and implemented it The test results and analysis show that pared with other embedded GUI systems ． this system has better portability ， preparation mad customization, and the system resource consumption is fewer, has a certain reference value for the development of similar software ．本文設(shè)計了一個嵌入式的基于Linux的圖形用戶界面，并實(shí)現(xiàn)了它。昆蘭密碼博士。層次 ??的GUI測試用例生成使用自動化規(guī)劃。2. 外文原文應(yīng)以附件的方式置于