通讯类demo.

#include "c.h" c::c(QWidget *parent) : QWidget(parent) { ui.setupUi(this); this->setWindowTitle(QString::fromLocal8Bit("通讯录")); this->setFixedSize(300,600); //初始化对象. m_dialog = new PeopleMesDialog(this); //初始化容器和布局. m_listWidget = new QListWidget(); QHBoxLayout *layout = new QHBoxLayout(this); layout->addWidget(m_listWidget); addPeoMes("st", "15158047646", QString::fromLocal8Bit("杭州滨江xxx号"), ""); addPeoMes(QString::fromLocal8Bit("成龙"), "15158047647", QString::fromLocal8Bit("北京xxx号"), ""); addPeoMes(QString::fromLocal8Bit("刘德华"), "15158047648", QString::fromLocal8Bit("香港xxx号"), ""); addPeoMes(QString::fromLocal8Bit("古天乐"), "15158047649", QString::fromLocal8Bit("湖南滨江xxx号"), ""); addPeoMes(QString::fromLocal8Bit("张家辉"), "15158047650", QString::fromLocal8Bit("贪玩蓝月xxx号"), ""); m_listWidget->setItemDelegate(new MyItemDrawer(m_listWidget)); m_listWidget->setContextMenuPolicy(Qt::CustomContextMenu); m_addAction = new QAction(QString::fromLocal8Bit("新增"), this); m_delAction = new QAction(QString::fromLocal8Bit("删除"), this); m_insertAction = new QAction(QString::fromLocal8Bit("插入"), this); connect(m_listWidget, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(showContextMenuSlot(const QPoint&))); connect(m_addAction, SIGNAL(triggered()), this, SLOT(addItemSlot())); connect(m_insertAction, SIGNAL(triggered()), this, SLOT(insertItemSlot())); connect(m_delAction, SIGNAL(triggered()), this, SLOT(delItemSlot())); } c::~c() { delete m_listWidget; } void c::showContextMenuSlot(const QPoint& pos) { m_menu = new QMenu; //如果鼠标在项上. if (m_listWidget->itemAt(pos)) { //记录. m_selectedItem = m_listWidget->itemAt(pos); m_insertIndex = m_listWidget->row(m_selectedItem); m_menu->addAction(m_insertAction); m_menu->addAction(m_delAction); } else { m_menu->addAction(m_addAction); } m_menu->exec(QCursor::pos()); } void c::addItemSlot() { int status = m_dialog->exec(); //如果用户选择的是保存. if (status == QDialog::Accepted) { QString name = m_dialog->getName(); QString phone = m_dialog->getPhone(); QString address = m_dialog->getAddress(); QString image = m_dialog->getImage(); auto item = setItemValue(name, phone, address, image); m_listWidget->addItem(item); } //进行清空处理. m_dialog->clear(); } void c::insertItemSlot() { int status = m_dialog->exec(); //如果用户选择的是保存. if (status == QDialog::Accepted) { QString name = m_dialog->getName(); QString phone = m_dialog->getPhone(); QString address = m_dialog->getAddress(); QString image = m_dialog->getImage(); auto item = setItemValue(name, phone, address, image); m_listWidget->insertItem(m_insertIndex - 1, item); } //进行清空处理. m_dialog->clear(); } void c::delItemSlot() { //删除选中项. int index = m_listWidget->row(m_selectedItem); QListWidgetItem *tempItem = m_listWidget->takeItem(index); delete tempItem; m_selectedItem = NULL; } QListWidgetItem* c::setItemValue(QString name, QString phone, QString address, QString pixmap) { QListWidgetItem *item = new QListWidgetItem(); item->setData(Qt::UserRole, name); item->setData(Qt::UserRole + 1, phone); item->setData(Qt::UserRole + 2, address); item->setData(Qt::UserRole + 3, pixmap); return item; } void c::insertPeoMes(QString name, QString phone, QString address, QString pixmap) { auto item = setItemValue(name, phone, address, pixmap); m_listWidget->insertItem(m_insertIndex, item); } void c::addPeoMes(QString name, QString phone, QString address, QString pixmap) { auto item = setItemValue(name, phone, address, pixmap); m_listWidget->addItem(item); }