QT开发的摄像头电子地图Demo（采用百度地图），工程源码下载

#include "mainwindow.h" #include "ui_mainwindow.h" #include <QDebug> #include <QFile> #include "commondef.h" #include "messagebox.h" #define TIME_NOW QDateTime::currentDateTime().toString("yyyyMMddhhmmss") MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow), m_renameDlg(RenameDialog::instance()), m_createDevDlg(createDevDialog::instance()), m_mediaDlg(MediaDialog::instance()) { ui->setupUi(this); QString sTitle = QString("My Device Emap-V%1").arg(SOFTWARE_VERSION); this->setWindowTitle(sTitle); initTree(); initMap(); QTimer::singleShot(5000, this, SLOT(on_timeout())); } MainWindow::~MainWindow() { delete ui; } void MainWindow::initTree() { ui->dev_tree->clear(); ui->dev_tree->setDragDropMode(QAbstractItemView::DragDrop); ui->dev_tree->setDefaultDropAction(Qt::MoveAction); connect(ui->dev_tree, &QCTreeWidget::sig_devSelectItem, this, &MainWindow::on_devSelectItem); connect(ui->dev_tree, &QCTreeWidget::sig_deleteGroup, this, &MainWindow::on_deleteGroup); connect(ui->dev_tree, &QCTreeWidget::sig_deleteDev, this, &MainWindow::on_deleteDev); connect(ui->dev_tree, &QCTreeWidget::sig_renameDev, this, &MainWindow::on_renameDev); connect(ui->dev_tree, &QCTreeWidget::sig_renameGroup, this, &MainWindow::on_renameGroup); connect(ui->dev_tree, &QCTreeWidget::sig_newGroup, this, &MainWindow::on_createGroup); connect(ui->dev_tree, &QCTreeWidget::sig_moveDevSrc, this, &MainWindow::on_devMoveSrc); connect(ui->dev_tree, &QCTreeWidget::sig_moveDevDst, this, &MainWindow::on_devMoveDst); connect(ui->dev_tree, &QCTreeWidget::sig_createDev, this, &MainWindow::on_createDev); connect(&m_renameDlg, SIGNAL(sig_rename(int,QString,QString)), this, SLOT(on_devRenameResult(int,QString,QString))); connect(this, SIGNAL(sig_devUpdateTree()), this, SLOT(on_devUpdateTree())); qRegisterMetaType<DB_DEV_T>("DB_DEV_T"); connect(&m_createDevDlg, SIGNAL(sig_createDev(DB_DEV_T)), this, SLOT(on_createDbDev(DB_DEV_T))); connect(ui->dev_tree, SIGNAL(sig_playDev(QString,QString,QString)), &m_mediaDlg, SLOT(slot_playDev(QString,QString,QString))); connect(ui->dev_tree, SIGNAL(sig_stopDev(QString)), &m_mediaDlg, SLOT(slot_stopDev(QString))); connect(ui->dev_tree, &QCTreeWidget::itemDoubleClicked, this, &MainWindow::on_devDBClick); connect(this, SIGNAL(sig_playDev(QString,QString,QString)), &m_mediaDlg, SLOT(slot_playDev(QString,QString,QString))); initTreeData(); } static void insertGroup(void* pUser, void* pData) { QHashDBGroup* h = (QHashDBGroup*)pUser; DB_GROUP_T g = *((DB_GROUP_T*)pData); h->insert(g.gid, g); } static void insertDevice(void* pUser, void* pData) { QHashDBDev* h = (QHashDBDev*)pUser; DB_DEV_T v = *((DB_DEV_T*)pData); h->insert(v.sMac, v); } void MainWindow::initTreeData() { m_groupMap.clear(); // clean all old. if(MyDb::instance().db_dev_get_all_group(&m_groupMap, insertGroup)) { return; } m_devMap.clear(); if(MyDb::instance().db_dev_get_all_dev(&m_devMap, insertDevice)) { return; } emit sig_devUpdateTree(); } void MainWindow::addTreeSubItem(QTreeWidgetItem *parent, const QString sGroupName) { if(!parent || sGroupName.isEmpty()) return; QHashDBDevIterator iter = m_devMap.begin(); for(; iter != m_devMap.constEnd(); iter++) { DB_DEV_T& stDev = iter.value(); if(0 == stDev.sGroupName.compare(sGroupName)) { QStringList list_name; list_name << stDev.sDevName; QTreeWidgetItem *item = new QTreeWidgetItem(parent, list_name); item->setData(0, ROLE_MAC, stDev.sMac); item->setData(0, ROLE_GID, QVariant(stDev.gid)); item->setData(0, ROLE_IP, stDev.sIp); item->setData(0, ROLE_STREAM, stDev.sStream); item->setData(0, Qt::WhatsThisRole, QVariant("stDev")); } } } void MainWindow::delTreeSubItem(QTreeWidgetItem *parent) { if(!parent) return; // 1. get all device. int nCount = parent->childCount(); for(int i = 0; i < nCount; i++) { QTreeWidgetItem *item = parent->child(i); QString sMac = item->data(0, ROLE_MAC).toString(); m_devMap.remove(sMac); MyDb::instance().db_dev_del_dev(sMac); } } int MainWindow::checkDBDevName(QString &sName) { QHashDBDevIterator i = m_devMap.begin(); for(; i != m_devMap.end(); i++) { if(i.value().sDevName.compare(sName) == 0) { return 1; // 相等 } } return 0; } int MainWindow::checkDBGroupName(QString &sName) { QHashDBGroupIterator i = m_groupMap.begin(); for(; i != m_groupMap.end(); i++) { if(i.value().sGroupName.compare(sName) == 0) { return 1; } } return 0; } void MainWindow::initMap() { QString htmlPath = QCoreApplication::applicationDirPath() + "/web/"; QString htmlFile = htmlPath + "map.html"; MY_DEBUG << htmlFile; QFile file(htmlFile); if(!file.exists()) { MY_DEBUG << "file is not existed."; return; } m_document.setUi(ui); QWebChannel *webChannel = new QWebChannel(this); webChannel->registerObject(QString("JSInterface"), &m_document); ui->widget->page()->setWebChannel(webChannel); //加载网页 ui->widget->page()->load(QUrl("file:///" + htmlFile)); connect(&m_document, SIGNAL(sig_playStream(QString)), this, SLOT(on_playStream(QString))); connect(&m_document, SIGNAL(sig_playStream2(QString)), this, SLOT(on_playStream2(QString))); } void MainWindow::initMaker() { QString sCmd; sCmd = "deleteAllMarker()"; ui->widget->page()->runJavaScript(sCmd); QHashDBDevIterator iter = m_devMap.begin(); for(; iter != m_devMap.constEnd(); iter++) { DB_DEV_T& stDev = iter.value(); sCmd = QString("addMarker(%1,%2,'%3','%4','%5')").arg(stDev.sLon).arg(stDev.sLat).arg(stDev.sIp).\ arg(stDev.sSnap).arg(stDev.sMac); MY_DEBUG << sCmd; ui->widget->page()->runJavaScript(sCmd); } } void MainWindow::on_devSelectItem(QString sMac) { if(m_devMap.contains(sMac)) { QString sZoom = ui->lineEdit_zoom->text(); QString sCmd = QString("locationByLngLat(%1, %2, %3)").arg(m_devMap[sMac].sLon).arg(m_devMap[sMac].sLat).arg(sZoom); MY_DEBUG << sCmd; ui->widget->page()->runJavaScript(sCmd); } } void MainWindow::on_devUpdateTree() { // 1. clean old. ui->dev_tree->clear(); ui->dev_tree->clearFocus(); //ui->dev_tree->setIconSize(QSize(24, 24)); if(m_groupMap.isEmpty()) { return; } // 2. update group information. QHashDBGroupIterator iter = m_groupMap.begin(); for(; iter != m_groupMap.end(); iter++) { const QString folder_name = iter.value().sGroupName; QStringList list_name; list_name << folder_name; QTreeWidgetItem *item = new QTreeWidgetItem(ui->dev_tree, list_name); //item->setIcon(0, QIcon(":/LiveVideo/folder")); item->setData(0, ROLE_MAC, QVariant(folder_name)); item->setData(0, ROLE_GID, QVariant(iter.value().gid)); // fold id. item->setData(0, Qt::WhatsThisRole, QVariant("Group")); item->setExpanded(true); // 默认扩展 // 3. update device infoamtion. addTreeSubItem(item, folder_name); } }