#include <QtGui>#include "finddialog.h"#include "gotocelldialog.h"#include "mainwindow.h"#include "sortdialog.h"#include "spreadsheet.h"MainWindow::MainWindow(){    spreadsheet = new Spreadsheet;    setCentralWidget(spreadsheet);    createActions();    createMenus();    createContextMenu();    createToolBars();    createStatusBar();    readSettings();    findDialog = 0;    setWindowIcon(QIcon(":/images/icon.png"));    setCurrentFile("");}void MainWindow::closeEvent(QCloseEvent *event){    if (okToContinue()) {        writeSettings();        event->accept();    } else {        event->ignore();    }}void MainWindow::newFile(){    if (okToContinue()) {        spreadsheet->clear();        setCurrentFile("");    }}void MainWindow::open(){    if (okToContinue()) {        QString fileName = QFileDialog::getOpenFileName(this,                                   tr("Open Spreadsheet"), ".",                                   tr("Spreadsheet files (*.sp)"));        if (!fileName.isEmpty())            loadFile(fileName);    }}bool MainWindow::save(){    if (curFile.isEmpty()) {        return saveAs();    } else {        return saveFile(curFile);    }}bool MainWindow::saveAs(){    QString fileName = QFileDialog::getSaveFileName(this,                               tr("Save Spreadsheet"), ".",                               tr("Spreadsheet files (*.sp)"));    if (fileName.isEmpty())        return false;    return saveFile(fileName);}void MainWindow::find(){    if (!findDialog) {        findDialog = new FindDialog(this);        connect(findDialog, SIGNAL(findNext(const QString &,                                            Qt::CaseSensitivity)),                spreadsheet, SLOT(findNext(const QString &,                                           Qt::CaseSensitivity)));        connect(findDialog, SIGNAL(findPrevious(const QString &,                                                Qt::CaseSensitivity)),                spreadsheet, SLOT(findPrevious(const QString &,                                               Qt::CaseSensitivity)));    }    findDialog->show();    findDialog->activateWindow();}void MainWindow::goToCell(){    GoToCellDialog dialog(this);    if (dialog.exec()) {        QString str = dialog.lineEdit->text().toUpper();        spreadsheet->setCurrentCell(str.mid(1).toInt() - 1,                                    str[0].unicode() - 'A');    }}void MainWindow::sort(){    SortDialog dialog(this);    QTableWidgetSelectionRange range = spreadsheet->selectedRange();    dialog.setColumnRange('A' + range.leftColumn(),                          'A' + range.rightColumn());    if (dialog.exec()) {        SpreadsheetCompare compare;        compare.keys[0] =              dialog.primaryColumnCombo->currentIndex();        compare.keys[1] =              dialog.secondaryColumnCombo->currentIndex() - 1;        compare.keys[2] =              dialog.tertiaryColumnCombo->currentIndex() - 1;        compare.ascending[0] =              (dialog.primaryOrderCombo->currentIndex() == 0);        compare.ascending[1] =              (dialog.secondaryOrderCombo->currentIndex() == 0);        compare.ascending[2] =              (dialog.tertiaryOrderCombo->currentIndex() == 0);        spreadsheet->sort(compare);    }}void MainWindow::about(){    QMessageBox::about(this, tr("About Spreadsheet"),            tr("<h2>Spreadsheet 1.1</h2>"               "<p>Copyright &copy; 2006 Software Inc."               "<p>Spreadsheet is a small application that "               "demonstrates QAction, QMainWindow, QMenuBar, "               "QStatusBar, QTableWidget, QToolBar, and many other "               "Qt classes."));}void MainWindow::openRecentFile(){    if (okToContinue()) {        QAction *action = qobject_cast<QAction *>(sender());        if (action)            loadFile(action->data().toString());    }}void MainWindow::updateStatusBar(){    locationLabel->setText(spreadsheet->currentLocation());    formulaLabel->setText(spreadsheet->currentFormula());}void MainWindow::spreadsheetModified(){    setWindowModified(true);    updateStatusBar();}void MainWindow::createActions(){    newAction = new QAction(tr("&New"), this);    newAction->setIcon(QIcon(":/images/new.png"));    newAction->setShortcut(tr("Ctrl+N"));    newAction->setStatusTip(tr("Create a new spreadsheet file"));    connect(newAction, SIGNAL(triggered()), this, SLOT(newFile()));    openAction = new QAction(tr("&Open..."), this);    openAction->setIcon(QIcon(":/images/open.png"));    openAction->setShortcut(tr("Ctrl+O"));    openAction->setStatusTip(tr("Open an existing spreadsheet file"));    connect(openAction, SIGNAL(triggered()), this, SLOT(open()));    saveAction = new QAction(tr("&Save"), this);    saveAction->setIcon(QIcon(":/images/save.png"));    saveAction->setShortcut(tr("Ctrl+S"));    saveAction->setStatusTip(tr("Save the spreadsheet to disk"));    connect(saveAction, SIGNAL(triggered()), this, SLOT(save()));    saveAsAction = new QAction(tr("Save &As..."), this);    saveAsAction->setStatusTip(tr("Save the spreadsheet under a new "                                  "name"));    connect(saveAsAction, SIGNAL(triggered()), this, SLOT(saveAs()));    for (int i = 0; i < MaxRecentFiles; ++i) {        recentFileActions[i] = new QAction(this);        recentFileActions[i]->setVisible(false);        connect(recentFileActions[i], SIGNAL(triggered()),                this, SLOT(openRecentFile()));    }    exitAction = new QAction(tr("E&xit"), this);    exitAction->setShortcut(tr("Ctrl+Q"));    exitAction->setStatusTip(tr("Exit the application"));    connect(exitAction, SIGNAL(triggered()), this, SLOT(close()));    cutAction = new QAction(tr("Cu&t"), this);    cutAction->setIcon(QIcon(":/images/cut.png"));    cutAction->setShortcut(tr("Ctrl+X"));    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(":/images/copy.png"));    copyAction->setShortcut(tr("Ctrl+C"));    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(":/images/paste.png"));    pasteAction->setShortcut(tr("Ctrl+V"));    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(tr("Del"));    deleteAction->setStatusTip(tr("Delete the current selection's "                                  "contents"));    connect(deleteAction, SIGNAL(triggered()),            spreadsheet, SLOT(del()));    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()));    selectAllAction = new QAction(tr("&All"), this);    selectAllAction->setShortcut(tr("Ctrl+A"));    selectAllAction->setStatusTip(tr("Select all the cells in the "                                     "spreadsheet"));    connect(selectAllAction, SIGNAL(triggered()),            spreadsheet, SLOT(selectAll()));    findAction = new QAction(tr("&Find..."), this);    findAction->setIcon(QIcon(":/images/find.png"));    findAction->setShortcut(tr("Ctrl+F"));    findAction->setStatusTip(tr("Find a matching cell"));    connect(findAction, SIGNAL(triggered()), this, SLOT(find()));