diff options
Diffstat (limited to 'examples/widgets/mainwindows/application/mainwindow.cpp')
-rw-r--r-- | examples/widgets/mainwindows/application/mainwindow.cpp | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/examples/widgets/mainwindows/application/mainwindow.cpp b/examples/widgets/mainwindows/application/mainwindow.cpp index dc93fe4eb2..7886c4afac 100644 --- a/examples/widgets/mainwindows/application/mainwindow.cpp +++ b/examples/widgets/mainwindows/application/mainwindow.cpp @@ -337,11 +337,11 @@ void MainWindow::loadFile(const QString &fileName) QTextStream in(&file); #ifndef QT_NO_CURSOR - QApplication::setOverrideCursor(Qt::WaitCursor); + QGuiApplication::setOverrideCursor(Qt::WaitCursor); #endif textEdit->setPlainText(in.readAll()); #ifndef QT_NO_CURSOR - QApplication::restoreOverrideCursor(); + QGuiApplication::restoreOverrideCursor(); #endif setCurrentFile(fileName); @@ -353,23 +353,27 @@ void MainWindow::loadFile(const QString &fileName) bool MainWindow::saveFile(const QString &fileName) //! [44] //! [45] { - QFile file(fileName); - if (!file.open(QFile::WriteOnly | QFile::Text)) { - QMessageBox::warning(this, tr("Application"), - tr("Cannot write file %1:\n%2.") - .arg(QDir::toNativeSeparators(fileName), - file.errorString())); - return false; + QString errorMessage; + + QGuiApplication::setOverrideCursor(Qt::WaitCursor); + QSaveFile file(fileName); + if (file.open(QFile::WriteOnly | QFile::Text)) { + QTextStream out(&file); + out << textEdit->toPlainText(); + if (!file.commit()) { + errorMessage = tr("Cannot write file %1:\n%2.") + .arg(QDir::toNativeSeparators(fileName), file.errorString()); + } + } else { + errorMessage = tr("Cannot open file %1 for writing:\n%2.") + .arg(QDir::toNativeSeparators(fileName), file.errorString()); } + QGuiApplication::restoreOverrideCursor(); - QTextStream out(&file); -#ifndef QT_NO_CURSOR - QApplication::setOverrideCursor(Qt::WaitCursor); -#endif - out << textEdit->toPlainText(); -#ifndef QT_NO_CURSOR - QApplication::restoreOverrideCursor(); -#endif + if (!errorMessage.isEmpty()) { + QMessageBox::warning(this, tr("Application"), errorMessage); + return false; + } setCurrentFile(fileName); statusBar()->showMessage(tr("File saved"), 2000); |