QT添加托盘以及SendInput模拟鼠标键盘用法

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#include "vs2008smart.h"
 #include "stdafx.h"
 Vs2008Smart::Vs2008Smart(QWidget *parent, Qt::WFlags flags)
     : QMainWindow(parent, flags)
 {
     ui.setupUi(this);
 
     //this->setAttribute(Qt::WA_TranslucentBackground);//透明效果
 
     //窗口居中
     QDesktopWidget * deskTop = QApplication::desktop();
     int screenIndex = deskTop->screenNumber ( this ); //得到this widget主要出于哪个屏幕中，返回屏幕index
     QRect rect = deskTop->screenGeometry(screenIndex); //得到该屏幕大小
     int x = (rect.width() - width())/2;
     int y = (rect.height() - height())/2;
     this->move(x,y);
 
     //以可读写方式打开串口
     /*
     QFileSystemModel *model = new QFileSystemModel;
     model->setRootPath(QDir::currentPath());
     //QTreeView *tree = new QTreeView(splitter);
     ui.treeView->setModel(model);
     */
 
     //添加listView Items
     //ui.listWidget->insertItem(itemSize++,tr("通讯设置"));
     //ui.listWidget->insertItem(itemSize++,QObject::tr("摄像头位置调整"));
     //ui.listWidget->insertItem(itemSize++,tr("标定视频范围"));
     itemSize=0;
 
     //TODO:添加页面
 
     //comPage=new com_Config();
     camPage=new cam_Config();
     demarcatePage=new demarcate_Config();
     matrixPage=new matrix_Config();
 
     /*
      *    移除所有widgets
      */
     while(ui.stackedWidget->count()!=0)
         ui.stackedWidget->removeWidget(ui.stackedWidget->widget(0));
 
     //addPageItem(tr("通讯设置"),comPage);
     addPageItem(tr("摄像机位置调整"),camPage);
     addPageItem(tr("摄像机有效信息位置"),demarcatePage);
     addPageItem(tr("摄像机内参数标定"),matrixPage);
 
     ui.listWidget->setEnabled(false);
 
     setPageItemIndex(0);
     //ui.stackedWidget->addWidget(directPage);
 
     //ui.btn_prepage->setEnabled(false);
     setBtnEnable();
     connect(ui.btn_prepage,SIGNAL(clicked()),this,SLOT(setPrePage()));//连接下一页
     connect(ui.btn_nextpage,SIGNAL(clicked()),this,SLOT(setNextPage()));
     connect(ui.listWidget,SIGNAL(currentRowChanged(int)),this,SLOT(setStackedWidget(int)));//连接左边listWidget
     //connect(ui.stackedWidget,SIGNAL(currentChanged(int)),ui.listWidget,SLOT(setListWidget(int)));
     connect(this,SIGNAL(updateListWidget(int)),this,SLOT(setListWidget(int)));
 
     //connect(ui.btn_close,SIGNAL(clicked()),qApp,SLOT(quit()));
 
     MoveMouseTimer=new QTimer(this);
     connect(MoveMouseTimer,SIGNAL(timeout()),this,SLOT(moveMouse()));
     connect(ui.btn_openV,SIGNAL(clicked()),this,SLOT(ControlmoveMouse()));
     x=0;y=0;
 
     /*
      *    增加托盘的相关初始化代码
      */
     iTrayIcon=new QSystemTrayIcon();
     iTrayIcon->setIcon( QIcon("IconTray.png"));
     iTrayIcon->show();
     iTrayIcon->setToolTip(QString(tr("One world, One dream!")));
     iTrayIcon->showMessage("Message","Hi, I am here.");
     connect( iTrayIcon, SIGNAL(messageClicked ()), this, SLOT(hiMessage()));
     addMenu();
     //end of the trayicon
 
 }
 
 void Vs2008Smart::moveMouse()
 {
     SystemInteraction::MoveMouseToXY(x,y);
     x+=100;
     //y++;
     if(x>60000)
     {
         MoveMouseTimer->stop();
         x=0;
     }
 }
 /*
 *    移动鼠标至x,y坐标处
 */
 void Vs2008Smart::ControlmoveMouse()
 {
     if(MoveMouseTimer->isActive())
     {
         MoveMouseTimer->stop();
     }
     else
     {
         MoveMouseTimer->start(50);//0.5s中断一次
     }
 }
 
 Vs2008Smart::~Vs2008Smart()
 {
     //delete comPage;
     delete camPage;
     delete demarcatePage;
     delete matrixPage;
     qDebug( "Vs2008Smart is destruct!\n");
 }
 
 /*
 *    设置上一页下一页的使能状态
 */
 void Vs2008Smart::setBtnEnable()
 {
 
     ui.Page_Oper->setText(QString("第")+QString::number(ui.stackedWidget->currentIndex()+1)+QString("步/共")+QString::number(ui.stackedWidget->count())+QString("步"));
     if(ui.stackedWidget->count()==0)
         return;
     if(ui.stackedWidget->currentIndex()==0)
         ui.btn_prepage->setEnabled(false);
     else
         ui.btn_prepage->setEnabled(true);
 
     if(ui.stackedWidget->currentIndex()==ui.stackedWidget->count()-1)
     {
         ui.btn_nextpage->setText("完成");
         //ui.btn_nextpage->setEnabled(false);
     }
     else
     {
         ui.btn_nextpage->setEnabled(true);
         ui.btn_nextpage->setText(tr("下一页"));
     }
 }
 
 void Vs2008Smart::setPrePage()
 {
     ui.stackedWidget->setCurrentIndex(ui.stackedWidget->currentIndex()-1);//这里直接用slot，不会再次发送singal，或许这样理解比较好
 
     setBtnEnable();
     emit updateListWidget(ui.stackedWidget->currentIndex());
 }
 
 void Vs2008Smart::setNextPage()
 {
     ui.stackedWidget->setCurrentIndex(ui.stackedWidget->currentIndex()+1);
     setBtnEnable();
     emit updateListWidget(ui.stackedWidget->currentIndex());
 }
 
 void Vs2008Smart::setListWidget(int curpage)
 {
     ui.listWidget->setCurrentRow(curpage);
     //setVision(curpage);//设置vision
 }
 
 void Vs2008Smart::setStackedWidget(int page)
 {
     ui.stackedWidget->setCurrentIndex(page);
     //setVision(page);//设置vision
     setBtnEnable();
 }
 
 //////////////////////////////////////////////////////////////////////////
 /*
 *    添加一个页面，包括item和widget页面
 */
 void Vs2008Smart::addPageItem(QString itemName,QWidget* pageWidget)
 {
     //
     ui.listWidget->insertItem(itemSize++,itemName);
     ui.stackedWidget->addWidget(pageWidget);
 }
 
 void Vs2008Smart::setPageItemIndex(int Index)
 {
     ui.listWidget->setCurrentRow(Index);
     ui.stackedWidget->setCurrentIndex(Index);
 }
 
 /*
 * 设置每个页面是否是当前显示页面的函数
 */
 /*
 void Vs2008Smart::setVision(int Index)
 {
     switch(Index)
     {
         case 0:
             camPage->isVision=true;
             demarcatePage->isVision=false;
             matrixPage->isVision=false;
             break;
         case 1:
             camPage->isVision=false;
             demarcatePage->isVision=true;
             matrixPage->isVision=false;
             break;
         case 2:
             camPage->isVision=false;
             demarcatePage->isVision=false;
             matrixPage->isVision=true;
             break;
     }
 }
 */
 
 /*
 *    点击托盘消息slot
 */
 void Vs2008Smart::hiMessage()
 {
     iTrayIcon->setIcon( QIcon("IconTray.png"));
 }
 
 /*
 *    推出函数
 */
 void Vs2008Smart::exitProgram()
 {
     exit(-1);
 }
 
 /*
 *    添加菜单项
 */
 void Vs2008Smart::addMenu()
 {
     diaplayAction = new QAction(tr("&配置参数"), this);
     connect(diaplayAction, SIGNAL(triggered()), this, SLOT(displayVary()));
     normalModeAction = new QAction(tr("&普通模式"), this);
     //connect(normalModeAction, SIGNAL(triggered()), this, SLOT(show()));
     restoreAction = new QAction(tr("&Restore"), this);
     connect(restoreAction, SIGNAL(triggered()), this, SLOT(showNormal()));
     quitAction = new QAction(tr("&Quit"), this);
     connect(quitAction, SIGNAL(triggered()), this, SLOT(exitProgram()));
     iTraymenu=new QMenu();
     iTraymenu->addAction(diaplayAction);
     iTraymenu->addAction(normalModeAction);
     iTraymenu->addAction(restoreAction);
     iTraymenu->addSeparator();
     iTraymenu->addAction(quitAction);
     iTrayIcon->setContextMenu(iTraymenu);
 }
 
 /*
 *    切换显示还是隐藏
 */
 void Vs2008Smart::displayVary()
 {
     //
     if(this->isHidden())
     {
         this->setVisible(TRUE);
     }
     else
     {
         this->setVisible(FALSE);
     }
 }

如果是点击另外一个非自身开发的程序（不管是不是用qt）的话，这个就和qt本身没关系了，和操作系统有关。
比如编个程序自动点击qq的登录按钮，在win下一般如下：
1、找到这个按钮窗口的ID然后获取HWND
2、使用winapi函数给他鼠标点击的发消息 sendmessage
或者直接控制鼠标光标移动到那个位置然后点击鼠标（类似按键精灵）