QT4主窗口测试demo

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资源介绍:

QT4主窗口测试demo

#include "mainwindow.h" #include #include #include #include #include #include #include #include #include MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) { setWindowTitle(tr("MyMainWindow")); text = new QTextEdit(this); setCentralWidget(text); createActions(); createMenus(); createToolBars(); createStatusBar(); createDockWidget(); } MainWindow::~MainWindow() { } void MainWindow::createActions() { //open file action actionOpenFile = new QAction(QIcon(":images/open.png"),tr("Open"),this); actionOpenFile->setShortcut(QKeySequence(tr("Ctrl+O"))); actionOpenFile->setStatusTip(tr("open a file")); connect(actionOpenFile,SIGNAL(triggered()),this,SLOT(slotOpenFile())); //new file action actionNewFile = new QAction(QIcon(":images/new.png"),tr("New"),this); actionNewFile->setShortcut(QKeySequence(tr("Ctrl+N"))); actionNewFile->setStatusTip(tr("new file")); connect(actionNewFile,SIGNAL(triggered()),this,SLOT(slotNewFile())); //save file action actionSaveFile = new QAction(QIcon(":images/save.png"),tr("Save"),this); actionSaveFile->setShortcut(QKeySequence(tr("Ctrl+S"))); actionSaveFile->setStatusTip(tr("save file")); connect(actionSaveFile,SIGNAL(activated()),this,SLOT(slotSaveFile())); //exit action actionExit = new QAction(tr("Exit"),this); actionExit->setShortcut(QKeySequence(tr("Ctrl+Q"))); actionExit->setStatusTip(tr("exit")); connect(actionExit,SIGNAL(triggered()),this,SLOT(close())); //cut action actionCut = new QAction(QIcon(":images/cut.png"),tr("Cut"),this); actionCut->setShortcut(QKeySequence(tr("Ctrl+X"))); actionCut->setStatusTip(tr("cut to clipboard")); connect(actionCut,SIGNAL(triggered()),text,SLOT(cut())); //copy action actionCopy = new QAction(QIcon(":images/copy.png"),tr("Copy"),this); actionCopy->setShortcut(QKeySequence(tr("Ctrl+C"))); actionCopy->setStatusTip(tr("copy to clipboard")); connect(actionCopy,SIGNAL(triggered()),text,SLOT(copy())); //paste action actionPaste = new QAction(QIcon(":images/paste.png"),tr("Paste"),this); actionPaste->setShortcut(QKeySequence(tr("Ctrl+V"))); actionPaste->setStatusTip(tr("paste clipboard to selection")); connect(actionPaste,SIGNAL(triggered()),text,SLOT(paste())); //about action actionAbtoutQt = new QAction(tr("About"),this); connect(actionAbtoutQt,SIGNAL(triggered()),this,SLOT(slotAbout())); } void MainWindow::createMenus() { menuFile = menuBar()->addMenu(tr("File")); menuFile->addAction(actionNewFile); menuFile->addAction(actionOpenFile); menuFile->addAction(actionSaveFile); menuFile->addAction(actionExit); menuEdit = menuBar()->addMenu(tr("Edit")); menuEdit->addAction(actionCopy); menuEdit->addAction(actionCut); menuEdit->addAction(actionPaste); menuAbout = menuBar()->addMenu(tr("Help")); menuAbout->addAction(actionAbtoutQt); } void MainWindow::createToolBars() { toolBarFile = QMainWindow::addToolBar(tr("File")); toolBarFile->setMovable(false); toolBarFile->setAllowedAreas(Qt::AllToolBarAreas); toolBarFile->addAction(actionNewFile); toolBarFile->addAction(actionOpenFile); toolBarFile->addAction(actionSaveFile); toolBarEdit = QMainWindow::addToolBar(tr("Edit")); addToolBar(Qt::TopToolBarArea,toolBarEdit); toolBarEdit->setMovable(true); toolBarEdit->setAllowedAreas(Qt::TopToolBarArea); toolBarEdit->setFloatable(true); QSize size(16,15); toolBarEdit->setIconSize(size); toolBarEdit->addAction(actionCopy); toolBarEdit->addAction(actionCut); toolBarEdit->addAction(actionPaste); } void MainWindow::createStatusBar() { QLabel * tipLabel = new QLabel(tr("ready")); tipLabel->setAlignment(Qt::AlignHCenter); tipLabel->setMinimumSize(tipLabel->sizeHint()); statusBar()->addWidget(tipLabel); } void MainWindow::createDockWidget() { dockWidget = new QDockWidget("Qock Wigdet TiTle",this); dockWidget->setAllowedAreas(Qt::LeftDockWidgetArea|Qt::RightDockWidgetArea); QTextEdit *textEdit = new QTextEdit; textEdit->setText("This is a QTextEdit inside a QDockWidget"); dockWidget->setWidget(textEdit); this->addDockWidget(Qt::LeftDockWidgetArea,dockWidget); } void MainWindow::loadFile(QString fileName) { QFile file(fileName); if(file.open(QIODevice::ReadOnly|QIODevice::Text)) { QTextStream textStream(&file); while(!textStream.atEnd()) { text->append(textStream.readLine()); } } } void MainWindow::slotNewFile() { MainWindow *newWin = new MainWindow(); newWin->show(); } void MainWindow::slotOpenFile() { fileName = QFileDialog::getOpenFileName(this); if( !fileName.isEmpty() ) { if( text->document()->isEmpty() ) { loadFile(fileName); } else { MainWindow *newWin = new MainWindow(); newWin->show(); newWin->loadFile(fileName); } } } void MainWindow::slotSaveFile() { } void MainWindow::slotCopy() { } void MainWindow::slotCut() { } void MainWindow::slotPaste() { } void MainWindow::slotAbout() { }

资源文件列表:

qt_testMainWindows.zip 大约有14个文件

qt_testMainWindows/
qt_testMainWindows/images/
qt_testMainWindows/images/copy.png 4.63KB
qt_testMainWindows/images/cut.png 2.87KB
qt_testMainWindows/images/new.png 3.56KB
qt_testMainWindows/images/open.png 4.56KB
qt_testMainWindows/images/paste.png 2.94KB
qt_testMainWindows/images/save.png 3.46KB
qt_testMainWindows/main.cpp 183B
qt_testMainWindows/mainwindow.cpp 5.42KB
qt_testMainWindows/mainwindow.h 1.09KB
qt_testMainWindows/mainwindow.qrc 221B
qt_testMainWindows/testMainWindows.pro 619B
qt_testMainWindows/testMainWindows.pro.user 28KB