qt/e 3.3.4 启动流程分析

qt/e 3.3.4 启动流程分析

 

QApplication

{

Construct();——qt_init()——if(type==QApplication::GuiServer)

}                              |                                {

                            Initialize()                  QWSServer::startup(flags)——init_display()

                                |                                  }                       |                              |

                          Eventloop->appSettingUp()                       |                              |

                                                                                           1.1                                                     1.2  

 

1.1 startup

      |

 New QWSServer(flags)

         |

 New QWSServerData

         |

 openDisplay————qt_init_display

         |                                      |

 New QWSClient        init_display

         |                                      |    

 OpenMouse                          1.2

         |

 Openkeyboard

         |

  ScreenRegion

////////////////////////////////////////////////////////////////////////////

1.2 init_display

         |

Qt_fbdpy=new QWSDisplay()——d=new Data

     |                               |

QColor::initialize          init()

     |                               |

QFont::initialize         qt_get_screen()

     |

QPainter::initialize

     |

QApplication::setFont()