QT 写的spreadsheet编辑器

#include "mainwindow.h" #include <QtGui> #include "finddialog.h" #include "gotocelldialog.h" #include "sortdialog.h" #include "spreadsheet.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) { spreadsheet = new Spreadsheet; setCentralWidget(spreadsheet); createActions(); createMenus(); createContextMenu(); createToolBars(); createStatusBar(); readSettings(); findDialog = 0; setWindowIcon(QIcon(":/images/icon.png")); setAttribute(Qt::WA_DeleteOnClose); setCurrentFile(""); foreach (QWidget *win, QApplication::topLevelWidgets()) { if (MainWindow *mainWin = qobject_cast<MainWindow *>(win)) mainWin->updateRecentFileActions(); } } MainWindow::~MainWindow() { } void MainWindow::closeEvent(QCloseEvent *event) { if (okToContinue()) { writeSettings(); event->accept(); } else { event->ignore(); } } void MainWindow::newFile() { /* if (okToContinue()) { spreadsheet->clear(); setCurrentFile(""); }*/ MainWindow *mainWin = new MainWindow; mainWin->show(); } 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->raise(); 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 SoftwareInc.""<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->setShortcut(QKeySequence::New); 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())); } closeAction = new QAction(tr("&Close"), this); closeAction->setShortcut(QKeySequence::Close); closeAction->setStatusTip(tr("Close this window")); connect(closeAction, SIGNAL(triggered()), this, SLOT(close())); /* 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()));*/ exitAction = new QAction(tr("E&xit"), this); exitAction->setShortcut(tr("Ctrl+Q")); exitAction->setStatusTip(tr("Exit the application")); connect(exitAction, SIGNAL(triggered()),qApp, SLOT(closeAllWindows())); 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("