运行嵌入式程序
在嵌入式QT版本中，程序需要服务器或自己作为服务器程序。服务器程序构造的方法是构造一个QApplication::GuiServe类型的QApplication对象。或者使用-qws命令选项启动程序。
Using a Single Display
使用-qws选项
接下来的程序可以当做客户端来运行，只要不使用-qws选项。那么客户端程序就会自动连接到服务程序中。
using Mutiple Displays
嵌入式版本中运行多个县市同时运行。两种方式可以实现，要么多次运行服务程序，要么使用read-mae Multi screen driver
当多个服务程序运行时，每个程序必须使用-display选项指定显示驱动，或者使用QWS_DISPLAY环境变量来指定。
服务程序运行时：
./mysecondserverapplication -qws -display "QVFb:2"
客户程序运行时：
./myclientapplication -display "QVFb:2"
若想在不同显示器移动应用程序，则只能通过Muti显示器实现。
./myserverapplication -qws -display "Multi: QVFb:0
QVFb:1:offset=0,0 VNC:offset=640,0 :2"
程序启动命令选项：
-fn 定义程序的字体，例如./myapplication -fn helvetica
-bg 设置程序默认背景颜 {MOD} 例如./myapplication -bg blue，颜 {MOD}名称必须能被QColor类构造函数识别
-btn 设置默认的按钮颜 {MOD}，例如./myapplication -btn green 同样颜 {MOD}必须被认识
-fg 设置foreground颜 {MOD}，例如./myapplication -fg 'dark blue' 同上需被认识
-name 设置应用程序名字 例如./myapplication -name texteditapplication
-title 设置应用程序标题。./myapplication -title 'Text Edit'</span>
<span style="font-size:24px;">-geometry <width>x<height>+<Xoffset>+<Yoffset><br />
设置窗口大小， ./myapplication -geometry 300x200+50+50</span>
<span style="font-size:24px;">-keyboard 启动键盘</span>
<span style="font-size:24px;">-nokeyboard 关闭键盘</span>
<span style="font-size:24px;">-mouse 启动鼠标</span>
<span style="font-size:24px;">-nomouse 关闭鼠标</span>
<span style="font-size:24px;">-qws 设置为服务程序</span>
<span style="font-size:24px;">-display 设置显示器驱动</span>
<span style="font-size:24px;">-decoration<style><br />
设置程序的风格，例如./myapplication -decoration windows，只支持windows default styled</span>
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