Qt运用C++编写的仿word代码

#include "imgprocessor.h" #include <QIcon> #include <QFileDialog> #include <QTextStream> #include <QFile> #include <QMatrix> #include <QPrinter> #include <QPrintDialog> #include <QColor> #include <QColorDialog> #include <QTextList> #include <QMessageBox> #include <QPainter> #include <QPixmap> #include <QDebug> ImgProcessor::ImgProcessor(QWidget *parent) : QMainWindow(parent) { setWindowTitle (tr("仿word文档")); showWidget = new ShowWidget(this); setCentralWidget (showWidget); //排序 listLabel = new QLabel(tr("排序")); listComboBox = new QComboBox; listComboBox->addItem ("Standard"); listComboBox->addItem ("QTextListFormat::ListDisc"); listComboBox->addItem ("QTextListFormat::ListCircle"); listComboBox->addItem ("QTextListFormat::ListSquare"); listComboBox->addItem ("QTextListFormat::ListDecimal"); listComboBox->addItem ("QTextListFormat::ListLowerAlpha"); listComboBox->addItem ("QTextListFormat::ListUpperAlpha"); listComboBox->addItem ("QTextListFormat::ListLowerRoman"); listComboBox->addItem ("QTextListFormat::ListUpperRoman"); connect(listComboBox,SIGNAL(activated(int)),this,SLOT(ShowList(int))); // connect(showWidget->text->document(),SIGNAL(undoAvailable(bool)),redoAction,SLOT(setEnabled(bool))); // connect(showWidget->text->document(),SIGNAL(redoAvailable(bool)),redoAction,SLOT(setEnabled(bool))); connect(showWidget->text,SIGNAL(cursorPositionChanged()),this,SLOT(ShowCursorPositionChanged())); //在工具栏上嵌入控件 //设置字体 fontLabel = new QLabel(tr("字体:")); fontComboBox = new QFontComboBox; fontComboBox->setFontFilters (QFontComboBox::ScalableFonts); connect (fontComboBox,SIGNAL(activated(QString)),this,SLOT(showFontComboBox(QString))); fontLabel2 = new QLabel(tr("字号:")); sizeComboBox = new QComboBox; QFontDatabase db; foreach(int size,db.standardSizes ()) sizeComboBox->addItem (QString::number (size)); connect (sizeComboBox,SIGNAL(activated(QString)),this,SLOT(showSizeSpinBox(QString))); boldBtn = new QToolButton; boldBtn->setIcon (QIcon(":/images/bold.png")); boldBtn->setCheckable (true); connect (boldBtn,SIGNAL(clicked(bool)),this,SLOT(showBoldBtn())); italicBtn = new QToolButton; italicBtn->setIcon (QIcon(":/images/italic.png")); italicBtn->setCheckable (true); connect (italicBtn,SIGNAL(clicked(bool)),this,SLOT(showItalicBtn())); underlineBtn = new QToolButton; underlineBtn->setIcon(QIcon(":/images/underline.png")); underlineBtn->setCheckable (true); connect (underlineBtn,SIGNAL(clicked(bool)),this,SLOT(showUnderlineBtn())); colorBtn = new QToolButton; colorBtn->setIcon (QIcon(":/images/color.png")); colorBtn->setCheckable (true); connect (colorBtn,SIGNAL(clicked(bool)),this,SLOT(showColorBtn())); /*创建动作 菜单 工具栏的函数*/ createActions (); createMenus (); createToolBars (); if(img.load (":/images/image.png")) { showWidget->imageLabel->setPixmap (QPixmap::fromImage (img));//在imageLabel对象中放置图像 } } ImgProcessor::~ImgProcessor() { } void ImgProcessor::createActions () { //"打开"动作 openFileAction = new QAction(QIcon(":/images/open.png"),tr("打开(&O)"),this); openFileAction->setShortcut (tr("Ctrl+O")); openFileAction->setStatusTip (tr("打开一个文件")); connect (openFileAction,SIGNAL(triggered(bool)),this,SLOT(showOpenFile())); //"新建"动作 newFileAction = new QAction(QIcon(":/images/new.png"),tr("新建(&N)"),this); newFileAction->setShortcut (tr("Ctrl+N")); newFileAction->setStatusTip (tr("新建一个文件")); connect (newFileAction,SIGNAL(triggered(bool)),this,SLOT(showNewFile())); //"保存"动作 saveFileAction = new QAction(QIcon(":/images/save.png"),tr("保存(&S)"),this); saveFileAction->setShortcut (tr("Ctrl+S")); saveFileAction->setStatusTip (tr("保存一个文件")); connect (saveFileAction,SIGNAL(triggered(bool)),this,SLOT(showSaveFile())); //"另存为"动作 saveAsAction = new QAction(QIcon(":/images/saveAs.png"),tr("另存为"),this); saveAsAction->setShortcut (tr("Ctrl+A")); saveAsAction->setStatusTip (tr("将文件另存为")); connect (saveAsAction,SIGNAL(triggered(bool)),this,SLOT(showSaveAsFile())); //"退出"动作 exitAction = new QAction(QIcon(":/images/exit.png"),tr("退出(&Q)"),this); exitAction->setShortcut (tr("Ctrl+Q")); exitAction->setStatusTip (tr("退出程序")); connect (exitAction,SIGNAL(triggered(bool)),this,SLOT(close())); //"复制"动作 copyAction = new QAction(QIcon(":/images/copy.png"),tr("复制(&C)"),this); copyAction->setShortcut (tr("Ctrl+C")); copyAction->setStatusTip (tr("复制文件")); connect (copyAction,SIGNAL(triggered(bool)),showWidget->text,SLOT(copy())); //"剪切"动作 cutAction = new QAction(QIcon(":/images/cut.png"),tr("剪切(&X)"),this); cutAction->setShortcut (tr("Ctrl+X")); cutAction->setStatusTip (tr("剪切文件")); connect (cutAction,SIGNAL(triggered(bool)),showWidget->text,SLOT(cut())); //"粘贴"动作 pasteAction = new QAction(QIcon(":/images/paste.png"),tr("粘贴(&P)"),this); pasteAction->setShortcut (tr("Ctrl+V")); pasteAction->setStatusTip (tr("粘贴文件")); connect (pasteAction,SIGNAL(triggered(bool)),showWidget->text,SLOT(paste())); //"关于"动作 aboutAction = new QAction(QIcon(":/images/about.png"),tr("关于(&A)"),this); aboutAction->setStatusTip (tr("关于仿word文档")); connect (aboutAction,SIGNAL(triggered(bool)),this,SLOT(showAbout())); //"关于Qt"动作 aboutQtAction = new QAction(QIcon(":/images/aboutQt.png"),tr("关于Qt(&Q)"),this); aboutQtAction->setStatusTip (tr("关于 Qt 库")); connect (aboutQtAction,SIGNAL(triggered(bool)),this,SLOT(showAboutQt())); //"打印文本"动作 printTextAction = new QAction(QIcon(":/images/printText.png"),tr("打印文本(&P)"),this); printTextAction->setStatusTip (tr("打印一个文本")); connect (printTextAction,SIGNAL(triggered(bool)),this,SLOT(showPrintText())); //"打印图像"动作 printImageAction = new QAction(QIcon(":/images/printImage.png"),tr("打印图像"),this); printImageAction->setStatusTip (tr("打印一幅图像")); connect (printImageAction,SIGNAL(triggered(bool)),this,SLOT(showPrintImage())); //"开启图像"动作 openImageAction = new QAction(QIcon(":/images/openImage.png"),tr("开启图像"),this); openImageAction->setStatusTip (tr("开启桌面显示的图像")); connect (openImageAction,SIGNAL(triggered(bool)),this,SLOT(showOpenImage())); //"关闭图像"动作 closeImageAction = new QAction(QIcon(":/images/close.png"),tr("关闭图像"),this); closeImageAction->setStatusTip (tr("关闭桌面显示的图像")); connect (closeImageAction,SIGNAL(triggered(bool)),this,SLOT(showCloseImage())); //"放大"动作 zoomInAction =new QAction(QIcon(":/images/zoomin.png"),tr("放大"),this); zoomInAction->setStatusTip(tr("放大一张图片")); connect (zoomInAction,SIGNAL(triggered(bool)),this,SLOT(showZoomIn())); //"缩小"动作 zoomOutAction = new QAction(QIcon(":/images/zoomout.png"),tr("缩小"),this); zoomOutAction->setStatusTip (tr("缩小一张图片")); connect (zoomOutAction,SIGNAL(triggered(bool)),this,SLOT(showZoomOut())); //旋转90° rotate90Action = new QAction(QIcon(":/images/rotate90.png"),tr("旋转 90°"),this); rotate90Action->setStatusTip (tr("将一幅图旋转90°")); connect (rotate90Action,SIGNAL(triggered(bool)),this,SLOT(showRotate90())); //旋转180°