嵌入式notepad可插入图片

#include "mainwindow.h" #include "ui_mainwindow.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); showFindDialog = true; menuBar = new QMenuBar(this); toolBar = new QToolBar(this); textEdit = new QTextEdit(this); fileMenu = new QMenu(menuBar); fileMenu->setTitle("文件"); editMenu = new QMenu(menuBar); editMenu->setTitle("编辑"); textMenu = new QMenu(menuBar); textMenu->setTitle("文本"); fontColorMenu = new QMenu(menuBar); fontColorMenu->setTitle("字体和颜色"); helpMenu = new QMenu(menuBar); helpMenu->setTitle("帮助"); newAction = new QAction(QIcon(":/image/Icon/new.ico"), "新建", this); openAction = new QAction(QIcon(":/image/Icon/open.ico"), "打开", this); saveAction = new QAction(QIcon(":/image/Icon/save.ico"), "保存", this); saveAsAction = new QAction(QIcon(":/image/Icon/saveAs.ico"), "另存为", this); modeAction = new QAction(QIcon(":/image/Icon/write.ico"), "编辑模式", this); exitAction = new QAction("退出", this); redoAction = new QAction("恢复", this); cutAction = new QAction(QIcon(":/image/Icon/cut.ico"), "剪切", this); copyAction = new QAction(QIcon(":/image/Icon/copy.ico"), "复制", this); pasteAction = new QAction(QIcon(":/image/Icon/paste.ico"), "粘贴", this); searchAction = new QAction("查找", this); selectAllAction = new QAction("全选", this); dateAction = new QAction("日期", this); colorAction = new QAction("颜色", this); fontAction = new QAction("字体", this); imageAction = new QAction(QIcon(":/image/Icon/image.png"), "图片", this); helpAction = new QAction("帮助", this); aboutAction = new QAction("关于记事本", this); boldAction = new QAction(QIcon(":/image/Icon/bold.png"), "粗体", this); italicAction = new QAction(QIcon(":/image/Icon/italic.png"), "斜体", this); underAction = new QAction(QIcon(":/image/Icon/under.png"), "下划线", this); leftAction = new QAction(QIcon(":/image/Icon/left.png"), "左对齐", this); centerAction = new QAction(QIcon(":/image/Icon/center.png"), "居中对齐", this); rightAction = new QAction(QIcon(":/image/Icon/right.png"), "右对齐", this); justifyAction= new QAction(QIcon(":/image/Icon/justify.png"), "整体排版", this); newAction->setShortcut(QKeySequence::New); openAction->setShortcut(QKeySequence::Open); saveAction->setShortcut(QKeySequence::Save); saveAsAction->setShortcut(QKeySequence::SaveAs); modeAction->setShortcut(QKeySequence::NextChild); redoAction->setShortcut(QKeySequence::Redo); cutAction->setShortcut(QKeySequence::Cut); copyAction->setShortcut(QKeySequence::Copy); pasteAction->setShortcut(QKeySequence::Paste); searchAction->setShortcut(QKeySequence::Find); selectAllAction->setShortcut(QKeySequence::SelectAll); dateAction->setShortcut(QKeySequence::Refresh); dateAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_D)); colorAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_C)); fontAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_F)); imageAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_I)); boldAction->setShortcut(QKeySequence::Bold); italicAction->setShortcut(QKeySequence::Italic); underAction->setShortcut(QKeySequence::Underline); fileMenu->addAction(newAction); fileMenu->addAction(openAction); fileMenu->addAction(saveAction); fileMenu->addAction(saveAsAction); fileMenu->addSeparator(); fileMenu->addAction(modeAction); fileMenu->addSeparator(); fileMenu->addAction(exitAction); editMenu->addAction(redoAction); editMenu->addSeparator(); editMenu->addAction(cutAction); editMenu->addAction(copyAction); editMenu->addAction(pasteAction); editMenu->addSeparator(); editMenu->addAction(searchAction); editMenu->addSeparator(); editMenu->addAction(selectAllAction); editMenu->addAction(dateAction); textMenu->addAction(boldAction); textMenu->addAction(italicAction); textMenu->addAction(underAction); textMenu->addSeparator(); textMenu->addAction(leftAction); textMenu->addAction(centerAction); textMenu->addAction(rightAction); textMenu->addAction(justifyAction); fontColorMenu->addAction(colorAction); fontColorMenu->addAction(fontAction); fontColorMenu->addAction(imageAction);//添加图片是后来添加上去的,所以命名有点不对劲. helpMenu->addAction(helpAction); helpMenu->addAction(aboutAction); menuBar->addAction(fileMenu->menuAction()); menuBar->addAction(editMenu->menuAction()); menuBar->addAction(textMenu->menuAction()); menuBar->addAction(fontColorMenu->menuAction()); menuBar->addAction(helpMenu->menuAction()); toolBar->addAction(newAction); toolBar->addAction(openAction); toolBar->addAction(saveAction); toolBar->addAction(saveAsAction); toolBar->addSeparator(); toolBar->addAction(modeAction); toolBar->addAction(imageAction); toolBar->addSeparator(); toolBar->addAction(copyAction); toolBar->addAction(pasteAction); toolBar->addAction(cutAction); toolBar->addSeparator(); toolBar->addAction(boldAction); toolBar->addAction(italicAction); toolBar->addAction(underAction); toolBar->addSeparator(); toolBar->addAction(leftAction); toolBar->addAction(centerAction); toolBar->addAction(rightAction); toolBar->addAction(justifyAction); toolBar->setMovable(false); toolBar->setContextMenuPolicy(Qt::PreventContextMenu); findDialog = new FindDialog(this); findDialog->hide(); connect(findDialog, SIGNAL(findText(QString, bool, bool)), this, SLOT(searchSlot(QString, bool, bool))); connect(findDialog, SIGNAL(setShowFindDialog()), this, SLOT(setShowFindDialog())); connect(newAction, SIGNAL(triggered()), this, SLOT(newSlot())); connect(openAction, SIGNAL(triggered()), this, SLOT(openSlot())); connect(saveAction, SIGNAL(triggered()), this, SLOT(saveSlot())); connect(saveAsAction, SIGNAL(triggered()), this, SLOT(saveAsSlot())); connect(modeAction, SIGNAL(triggered()), this, SLOT(setModeSlot())); connect(exitAction, SIGNAL(triggered()), this, SLOT(close())); connect(redoAction, SIGNAL(triggered()), textEdit, SLOT(redo())); connect(cutAction, SIGNAL(triggered()), textEdit, SLOT(cut())); connect(copyAction, SIGNAL(triggered()), textEdit, SLOT(copy())); connect(pasteAction, SIGNAL(triggered()), textEdit, SLOT(paste())); connect(searchAction, SIGNAL(triggered()), this, SLOT(openSearchSlot())); connect(selectAllAction, SIGNAL(triggered()), textEdit, SLOT(selectAll())); connect(dateAction, SIGNAL(triggered()), this, SLOT(dateSlot())); connect(colorAction, SIGNAL(triggered()), this, SLOT(colorSlot())); connect(fontAction, SIGNAL(triggered()), this, SLOT(fontSlot())); connect(imageAction, SIGNAL(triggered()), this, SLOT(imageSlot())); connect(helpAction, SIGNAL(triggered()), this, SLOT(helpSlot())); connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutSlot())); connect(boldAction, SIGNAL(triggered()), this, SLOT(boldSlot())); connect(italicAction, SIGNAL(triggered()), this, SLOT(italicSlot())); connect(underAction, SIGNAL(triggered()), this, SLOT(underSlot())); connect(leftAction, SIGNAL(triggered()), this, SLOT(leftSlot())); connect(centerAction, SIGNAL(triggered()), this, SLOT(centerSlot())); connect(rightAction, SIGNAL(triggered()), this, SLOT(rightSlot())); connect(justifyAction, SIGNAL(triggered()), this, SLOT(justifySlot())); textEdit->setFont(QFont("宋体", 13, QFont::Normal)); textEdit->setAcceptDrops(false); leftAction->s