Qt实现文件搜索

#include <QtWidgets> #include "filesearchdialog.h" #include "optiondialog.h" #include "aboutdialog.h" #include "itemdelegate.h" FileSearchDialog::FileSearchDialog(QWidget *parent) : QDialog(parent) { this->setWindowFlags(Qt::Window); this->resize(1153, 694); initFileSearchDialog(); createMenus(); createActions(); connect(&m_timer, SIGNAL(timeout()), this, SLOT(onTimeout())); m_timer.start(1000); m_thread = new Thread(this); connect(m_thread, SIGNAL(showFiles(QString)), this, SLOT(onShowFiles(QString))); } FileSearchDialog::~FileSearchDialog() { // m_thread->quit(); // m_thread->wait(); delete m_thread; m_thread = NULL; } void FileSearchDialog::initFileSearchDialog() { m_menuBar = new QMenuBar(this); m_menuBar->setFixedHeight(23); m_searchEdit = new QLineEdit(this); m_searchEdit->setFixedHeight(23); m_searchEdit->setStyleSheet("QLineEdit{border:1px solid rgb(130, 135, 144)}"); m_searchBtn = new QToolButton(m_searchEdit); m_searchBtn->setFixedSize(20, m_searchEdit->sizeHint().height()); m_searchBtn->setIcon(QIcon(":/images/search.png")); m_searchBtn->setCursor(Qt::ArrowCursor); m_searchBtn->setStyleSheet("QToolButton{background:transparent;}"); connect(m_searchBtn, SIGNAL(clicked(bool)), this, SLOT(onSearch())); //防止文本位于按钮之下 QMargins margins = m_searchEdit->textMargins(); m_searchEdit->setTextMargins(margins.left(), margins.top(), m_searchBtn->width(), margins.bottom()); QHBoxLayout *hLayout2 = new QHBoxLayout(); hLayout2->setContentsMargins(0, 0, 0, 0); hLayout2->addStretch(); hLayout2->addWidget(m_searchBtn); m_searchEdit->setLayout(hLayout2); m_tableWidget = new QTableWidget(this); m_tableWidget->setColumnCount(5); m_tableWidget->setColumnWidth(0, 130); m_tableWidget->setColumnWidth(1, 550); m_tableWidget->setColumnWidth(2, 130); m_tableWidget->setColumnWidth(3, 130); m_tableWidget->setColumnWidth(4, 130); m_tableWidget->horizontalHeader()->setFixedHeight(25); //设置水平表头的高度 m_tableWidget->horizontalHeader()->setSectionsClickable(false); //禁止水平表头被点击 m_tableWidget->verticalHeader()->setVisible(false); //设置隐藏垂直表头 m_tableWidget->verticalHeader()->setDefaultSectionSize(25); //设置表格的行高 m_tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows); //设置选中一行 m_tableWidget->setSelectionMode(QAbstractItemView::SingleSelection); //设置为单选模式 m_tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers); //禁止编辑 m_tableWidget->setItemDelegate(new ItemDelegate()); //设置委托 connect(m_tableWidget, SIGNAL(itemDoubleClicked(QTableWidgetItem*)), this, SLOT(onTableWidgetItemDoubleClicked(QTableWidgetItem*))); QStringList strList; strList << "Name" << "Path" << "Size" << "Modify Time" << "Permit"; m_tableWidget->setHorizontalHeaderLabels(strList); m_statusBar = new QStatusBar(this); m_statusLabel = new QLabel(""); m_statusLabel->setFrameShape(QFrame::WinPanel); m_statusLabel->setFrameShadow(QFrame::Sunken); m_statusBar->addWidget(m_statusLabel, 1); QString strTime = QDateTime::currentDateTime().toString("yyyy.MM.dd hh:mm:ss"); m_timeLabel = new QLabel(strTime); m_timeLabel->setFixedWidth(125); m_timeLabel->setAlignment(Qt::AlignRight); m_timeLabel->setFrameShape(QFrame::WinPanel); m_timeLabel->setFrameShadow(QFrame::Sunken); m_statusBar->addWidget(m_timeLabel, 1); QVBoxLayout *mainLayout = new QVBoxLayout(); mainLayout->addWidget(m_menuBar); mainLayout->addWidget(m_searchEdit); mainLayout->addWidget(m_tableWidget); mainLayout->addWidget(m_statusBar); this->setLayout(mainLayout); } void FileSearchDialog::createMenus() { m_fileMenu = m_menuBar->addMenu("File"); m_editMenu = m_menuBar->addMenu("Edit"); m_viewMenu = m_menuBar->addMenu("View"); m_searchMenu = m_menuBar->addMenu("Search"); m_toolMenu = m_menuBar->addMenu("Tool"); m_helpMenu = m_menuBar->addMenu("Help"); } void FileSearchDialog::createActions() { m_actOpen = new QAction("Open", this); m_actOpen->setShortcut(tr("Ctrl+O")); connect(m_actOpen, SIGNAL(triggered(bool)), this, SLOT(onOpen())); m_fileMenu->addAction(m_actOpen); m_fileMenu->addSeparator(); m_actExit = new QAction("Exit", this); m_actExit->setShortcut(tr("Ctrl+Shift+X")); connect(m_actExit, SIGNAL(triggered(bool)), this, SLOT(onExit())); m_fileMenu->addAction(m_actExit); m_actCopyTo = new QAction("Copy To Folder", this); connect(m_actCopyTo, SIGNAL(triggered(bool)), this, SLOT(onCopyTo())); m_editMenu->addAction(m_actCopyTo); m_actRemoveTo = new QAction("Remove To Folder", this); connect(m_actRemoveTo, SIGNAL(triggered(bool)), this, SLOT(onRemoveTo())); m_editMenu->addAction(m_actRemoveTo); m_actStatusBar = new QAction("Status Bar", this); m_actStatusBar->setCheckable(true); m_actStatusBar->setChecked(true); connect(m_actStatusBar, SIGNAL(triggered(bool)), this, SLOT(onStatusBar())); m_viewMenu->addAction(m_actStatusBar); m_actCaseSensitive = new QAction("Case Sensitive", this); m_actCaseSensitive->setCheckable(true); m_searchMenu->addAction(m_actCaseSensitive); m_actWholeWords = new QAction("Whole Words", this); m_actWholeWords->setCheckable(true); m_searchMenu->addAction(m_actWholeWords); m_actOption = new QAction("Option", this); connect(m_actOption, SIGNAL(triggered(bool)), this, SLOT(onOption())); m_toolMenu->addAction(m_actOption); m_actAbout = new QAction("About", this); m_actAbout->setShortcut(tr("F1")); connect(m_actAbout, SIGNAL(triggered(bool)), this, SLOT(onAbout())); m_helpMenu->addAction(m_actAbout); } QString FileSearchDialog::getSearchFileName() { return m_searchEdit->text(); } bool FileSearchDialog::getIsCaseSensitive() { return m_actCaseSensitive->isChecked() ? true : false; } bool FileSearchDialog::getIsWholeWords() { return m_actWholeWords->isChecked() ? true : false; } void FileSearchDialog::onTimeout() { m_timer.stop(); QString strTime = QDateTime::currentDateTime().toString("yyyy.MM.dd hh:mm:ss"); m_timeLabel->setText(strTime); m_timer.start(1000); } void FileSearchDialog::onShowFiles(const QString &file) { QFileInfo fileInfo(file); int rowCount = m_tableWidget->rowCount(); m_tableWidget->insertRow(rowCount); QString fileName = fileInfo.fileName(); QTableWidgetItem *item = new QTableWidgetItem; item->setText(fileName); item->setTextAlignment(Qt::AlignCenter); m_tableWidget->setItem(rowCount, 0, item); QString filePath = fileInfo.filePath(); item = new QTableWidgetItem; item->setText(filePath); item->setTextAlignment(Qt::AlignCenter); m_tableWidget->setItem(rowCount, 1, item); int fileSize = fileInfo.size(); item = new QTableWidgetItem; item->setText(tr("%1k").arg(fileSize / 1024.0, 0, 'f', 2)); item->setTextAlignment(Qt::AlignCenter); m_tableWidget->setItem(rowCount, 2, item); QString modifyTime = fileInfo.lastModified().toString("yyyy.MM.dd hh:mm:ss"); item = new QTableWidgetItem; item->setText(modifyTime); item->setTextAlignment(Qt::AlignCenter); m_tableWidget->setItem(rowCount, 3, item); QString permit = fileInfo.isWritable() ? "Write" : "Read"; item = new QTableWidgetItem; item->setText(permit); item->setTextAlignment(Qt::AlignCenter); m_tableWidget->setItem(rowCount, 4, item); m_statusLabel->setText(tr("Search %1 files").arg(rowCount + 1)); } void FileSearchDialog::onSear