//文件菜单fileMenu = menuBar()->addMenu(tr("&File")); //设置显示的名称 fileMenu->addAction(newAction); //添加动作fileMenu->addAction(openAction);fileMenu->addAction(saveAction);fileMenu->addAction(saveAsAction);separatorAction = fileMenu->addSeparator(); //插入间隔器for(int i = 0; i < MaxRecentFiles; i++){fileMenu->addAction(recentFileActions[i]);}fileMenu->addSeparator();fileMenu->addAction(exitAction);

    newAction = new QAction(tr("&New"),this);newAction->setIcon(QIcon(":file/images/icon.jpg"));newAction->setShortcut(QKeySequence::New); //有标准化序列的 没有就用 tr("Ctrl + Q") 之类的newAction->setStatusTip(tr("Create a new spreadsheet file"));connect(newAction, SIGNAL(triggered()),this, SLOT(newFile()));

    fileToolBar = addToolBar(tr("&File"));fileToolBar->addAction(newAction);fileToolBar->addAction(openAction);fileToolBar->addAction(saveAction);

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "finddialog.h"
#include "gotocelldialog.h"
#include "sortdialog.h"MainWindow::MainWindow()
{//spreadsheet = new Spreadsheet;//setCentralWidget(spreadsheet); //设置sheet为主窗口的中央窗口//创建主窗口的其他部分
createActions();createMenus();//createContextMenu();
    createToolBars();//createStatusBar();//读取应用程序存储的设置//readSettings();//find 初始化为空指针//findDialog = 0;
setWindowIcon(QIcon(":file/images/icon.jpg"));//setCurrentFile("");
}void MainWindow::createActions()
{/**************File 菜单动作创建***************************///新建newAction = new QAction(tr("&New"),this);newAction->setIcon(QIcon(":file/images/icon.jpg"));newAction->setShortcut(QKeySequence::New);newAction->setStatusTip(tr("Create a new spreadsheet file"));connect(newAction, SIGNAL(triggered()),this, SLOT(newFile()));//打开openAction = new QAction(tr("&Open"),this);openAction->setIcon(QIcon(":file/images/icon.jpg"));openAction->setShortcut(QKeySequence::Open);openAction->setStatusTip(tr("Open a file"));connect(openAction, SIGNAL(triggered()),this, SLOT(open()));//保存saveAction = new QAction(tr("&Save"),this);saveAction->setIcon(QIcon(":file/images/icon.jpg"));saveAction->setShortcut(QKeySequence::Save);saveAction->setStatusTip(tr("Save the file"));connect(saveAction, SIGNAL(triggered()),this, SLOT(save()));//另存为saveAsAction = new QAction(tr("&Save As"),this);saveAsAction->setIcon(QIcon(":file/images/icon.jpg"));saveAsAction->setShortcut(QKeySequence::SaveAs);saveAsAction->setStatusTip(tr("Save the file As"));connect(saveAsAction, SIGNAL(triggered()),this, SLOT(saveAs()));//最近打开的文件for(int i = 0; i < MaxRecentFiles; i++){recentFileActions[i] = new QAction(this);recentFileActions[i]->setVisible(false);connect(recentFileActions[i], SIGNAL(triggered()),this,SLOT(openRecentFile()));}//退出exitAction = new QAction(tr("E&xit"),this);exitAction->setShortcut(tr("Ctrl+Q"));//没有终止程序的标准化序列键 需要明确指定exitAction->setStatusTip(tr("Exit the application"));connect(exitAction, SIGNAL(triggered()),this,SLOT(close()));/********************Edit 菜单动作创建***************************/cutAction = new QAction(tr("Cu&t"), this);cutAction->setIcon(QIcon(":file/images/icon.jpg"));cutAction->setShortcut(QKeySequence::Cut);cutAction->setStatusTip(tr("Cut the current selection's contents ""to the clipboard"));// connect(cutAction, SIGNAL(triggered()), spreadsheet, SLOT(cut()));
copyAction = new QAction(tr("&Copy"), this);copyAction->setIcon(QIcon(":file/images/icon.jpg"));copyAction->setShortcut(QKeySequence::Copy);copyAction->setStatusTip(tr("Copy the current selection's contents ""to the clipboard"));// connect(copyAction, SIGNAL(triggered()), spreadsheet, SLOT(copy()));
pasteAction = new QAction(tr("&Paste"), this);pasteAction->setIcon(QIcon(":file/images/icon.jpg"));pasteAction->setShortcut(QKeySequence::Paste);pasteAction->setStatusTip(tr("Paste the clipboard's contents into ""the current selection"));// connect(pasteAction, SIGNAL(triggered()),//        spreadsheet, SLOT(paste()));
deleteAction = new QAction(tr("&Delete"), this);deleteAction->setShortcut(QKeySequence::Delete);deleteAction->setStatusTip(tr("Delete the current selection's ""contents"));//connect(deleteAction, SIGNAL(triggered()),//        spreadsheet, SLOT(del()));//全选selectAllAction = new QAction(tr("&All"),this);selectAllAction->setShortcut(QKeySequence::SelectAll);selectAllAction->setStatusTip(tr("Select all the cells in the 'spreadsheet'"));connect(selectAllAction, SIGNAL(triggered()),this, SLOT(selectAll())); //Qt已经实现了全选
selectRowAction = new QAction(tr("&Row"), this);selectRowAction->setStatusTip(tr("Select all the cells in the ""current row"));//connect(selectRowAction, SIGNAL(triggered()),//        spreadsheet, SLOT(selectCurrentRow()));
selectColumnAction = new QAction(tr("&Column"), this);selectColumnAction->setStatusTip(tr("Select all the cells in the ""current column"));//connect(selectColumnAction, SIGNAL(triggered()),//        spreadsheet, SLOT(selectCurrentColumn()));
findAction = new QAction(tr("&Find..."), this);findAction->setIcon(QIcon(":file/images/icon.jpg"));findAction->setShortcut(QKeySequence::Find);findAction->setStatusTip(tr("Find a matching cell"));connect(findAction, SIGNAL(triggered()), this, SLOT(find()));goToCellAction = new QAction(tr("&Go to Cell..."), this);goToCellAction->setIcon(QIcon(":file/images/icon.jpg"));goToCellAction->setShortcut(tr("Ctrl+G"));goToCellAction->setStatusTip(tr("Go to the specified cell"));connect(goToCellAction, SIGNAL(triggered()),this, SLOT(goToCell()));/********************Tools 菜单动作创建***************************/recalculateAction = new QAction(tr("&Recalculate"), this);recalculateAction->setShortcut(tr("F9"));recalculateAction->setStatusTip(tr("Recalculate all the ""spreadsheet's formulas"));// connect(recalculateAction, SIGNAL(triggered()),//        spreadsheet, SLOT(recalculate()));
sortAction = new QAction(tr("&Sort..."), this);sortAction->setStatusTip(tr("Sort the selected cells or all the ""cells"));// connect(sortAction, SIGNAL(triggered()), this, SLOT(sort()));/********************options 菜单动作创建***************************///显示网格  用切换按钮 toggleshowGridAction = new QAction(tr("&Show Grid"),this);showGridAction->setCheckable(true);//showGridAction->setChecked(spreadsheet->showGrid());showGridAction->setStatusTip(tr("Show or hide the spreadsheet's grid"));//connect(showGridAction, SIGNAL(toggled(bool)),this, SLOT(setShowGrid(bool)));
autoRecalcAction = new QAction(tr("&Auto-Recalculate"), this);autoRecalcAction->setCheckable(true);//autoRecalcAction->setChecked(spreadsheet->autoRecalculate());autoRecalcAction->setStatusTip(tr("Switch auto-recalculation on or ""off"));//connect(autoRecalcAction, SIGNAL(toggled(bool)),//        spreadsheet, SLOT(setAutoRecalculate(bool)));
aboutAction = new QAction(tr("&About"), this);aboutAction->setStatusTip(tr("Show the application's About box"));//connect(aboutAction, SIGNAL(triggered()), this, SLOT(about()));
aboutQtAction = new QAction(tr("About &Qt"), this);aboutQtAction->setStatusTip(tr("Show the Qt library's About box"));//connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
}void MainWindow::createMenus()
{//文件菜单fileMenu = menuBar()->addMenu(tr("&File"));fileMenu->addAction(newAction);fileMenu->addAction(openAction);fileMenu->addAction(saveAction);fileMenu->addAction(saveAsAction);separatorAction = fileMenu->addSeparator(); //插入间隔器for(int i = 0; i < MaxRecentFiles; i++){fileMenu->addAction(recentFileActions[i]);}fileMenu->addSeparator();fileMenu->addAction(exitAction);//编辑菜单editMenu = menuBar()->addMenu(tr("&Edit"));editMenu->addAction(cutAction);editMenu->addAction(copyAction);editMenu->addAction(pasteAction);editMenu->addAction(deleteAction);selectSubMenu = editMenu->addMenu(tr("&Select")); //edit菜单的子菜单selectSubMenu->addAction(selectRowAction);selectSubMenu->addAction(selectColumnAction);selectSubMenu->addAction(selectAllAction);editMenu->addSeparator();editMenu->addAction(findAction);editMenu->addAction(goToCellAction);//工具菜单toolsMenu = menuBar()->addMenu(tr("&Tools"));toolsMenu->addAction(recalculateAction);toolsMenu->addAction(sortAction);//options 菜单optionsMenu = menuBar()->addMenu(tr("&Options"));optionsMenu->addAction(showGridAction);optionsMenu->addAction(autoRecalcAction);menuBar()->addSeparator();//help 菜单helpMenu = menuBar()->addMenu(tr("&Help"));helpMenu->addAction(aboutAction);helpMenu->addAction(aboutQtAction);
}void MainWindow::createToolBars()
{fileToolBar = addToolBar(tr("&File"));fileToolBar->addAction(newAction);fileToolBar->addAction(openAction);fileToolBar->addAction(saveAction);editToolBar = addToolBar(tr("&Edit"));editToolBar->addAction(cutAction);editToolBar->addAction(copyAction);editToolBar->addAction(pasteAction);editToolBar->addSeparator();editToolBar->addAction(findAction);editToolBar->addAction(goToCellAction);
}void MainWindow::createStatusBar()
{locationLabel = new QLabel(" W999 ");locationLabel->setAlignment(Qt::AlignHCenter);locationLabel->setMinimumSize(locationLabel->sizeHint());formulaLabel = new QLabel;formulaLabel->setIndent(3);statusBar()->addWidget(locationLabel);statusBar()->addWidget(formulaLabel, 1);//connect(spreadsheet, SIGNAL(currentCellChanged(int, int, int, int)),//        this, SLOT(updateStatusBar()));//connect(spreadsheet, SIGNAL(modified()),//        this, SLOT(spreadsheetModified()));//updateStatusBar();
}bool MainWindow::okToContinue()
{if (isWindowModified()) {int r = QMessageBox::warning(this, tr("Spreadsheet"),tr("The document has been modified.\n""Do you want to save your changes?"),QMessageBox::Yes | QMessageBox::No| QMessageBox::Cancel);if (r == QMessageBox::Yes) {return save();} else if (r == QMessageBox::Cancel) {return false;}}return true;
}void MainWindow::newFile()
{if (okToContinue()) {}
}void MainWindow::open()
{if (okToContinue()) {}
}bool MainWindow::save()
{if (curFile.isEmpty()) {return saveAs();} else {return saveFile(curFile);}
}bool MainWindow::saveAs()
{return false;
}void MainWindow::openRecentFile()
{
}bool MainWindow::saveFile(const QString &fileName)
{return true;
}

#ifndef MAINWINDOW_H
#define MAINWINDOW_H#include <QMainWindow>
#include <QMessageBox>
class QAction;
class QLabel;
class FindDialog;
class Spreadsheet;class MainWindow : public QMainWindow
{Q_OBJECTpublic:MainWindow();//protected://   void closeEvent(QCloseEvent * event); //QWidget类中的虚函数 重新实现 可以询问是否保存
private slots:void newFile();void open();bool save();bool saveAs();
//    void find();
//    void goToCell();
//    void sort();
//    void about();void openRecentFile();
//    void updateStatusBar();
//    void SpreadsheetModified();private:void createActions();void createMenus();
//   void createContextMenu();void createToolBars();void createStatusBar();
//    void readSettings();
//    void writeSettings();bool okToContinue();
//    bool loadFile(const QString &fileName);bool saveFile(const QString &fileName);
//    void setCurrentFile(const QString &fileName);
//    void updateRecentFileActions();
//    QString strippedName(const QString &fullFileName);//    Spreadsheet *spreadsheet;
//   FindDialog *findDialog;//    QStringList recentFiles;
    QString curFile;/**********菜单栏*************/QMenu *fileMenu;QMenu *editMenu;QMenu *selectSubMenu;QMenu *toolsMenu;QMenu *optionsMenu;QMenu *helpMenu;enum{MaxRecentFiles = 5};QAction *recentFileActions[MaxRecentFiles];QAction *separatorAction;/*********工具栏**********/QToolBar * fileToolBar;QToolBar * editToolBar;/***********状态栏*********/QLabel * locationLabel;QLabel * formulaLabel;//file菜单选项QAction * newAction;QAction * openAction;QAction * saveAction;QAction * saveAsAction;QAction * exitAction;//edit菜单选项QAction * cutAction;QAction * copyAction;QAction * pasteAction;QAction * deleteAction;QAction * selectColumnAction;QAction * selectRowAction;QAction * selectAllAction;QAction * findAction;QAction * goToCellAction;//tools菜单选项QAction * recalculateAction;QAction * sortAction;//options菜单选项QAction * showGridAction;QAction * autoRecalcAction;//help菜单选项QAction * aboutAction;QAction * aboutQtAction;};#endif // MAINWINDOW_H

#include "mainwindow.h"
#include <QApplication>int main(int argc, char *argv[])
{QApplication a(argc, argv);MainWindow w;w.show();return a.exec();
}