diff options
author | Shawn Rutledge <shawn.rutledge@qt.io> | 2017-09-14 16:13:53 +0200 |
---|---|---|
committer | Shawn Rutledge <shawn.rutledge@qt.io> | 2018-08-23 12:57:01 +0000 |
commit | e498a1d09d79cbb26437a4823b67ae56c5542514 (patch) | |
tree | 7244f1967adc581824551838eae7c3da1e59b882 /examples/widgets/widgets/tablet/mainwindow.cpp | |
parent | 5ded4e35db321944157d431b885ba35f29ead68f (diff) |
Tablet example: add a menu item to clear the canvas
It's annoying to have to kill the app and start over when it gets too
cluttered.
Change-Id: Ic72e372e5742de4e7c6bb818a3150283498a517b
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Diffstat (limited to 'examples/widgets/widgets/tablet/mainwindow.cpp')
-rw-r--r-- | examples/widgets/widgets/tablet/mainwindow.cpp | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/examples/widgets/widgets/tablet/mainwindow.cpp b/examples/widgets/widgets/tablet/mainwindow.cpp index 994666d4de..a048119533 100644 --- a/examples/widgets/widgets/tablet/mainwindow.cpp +++ b/examples/widgets/widgets/tablet/mainwindow.cpp @@ -104,15 +104,16 @@ void MainWindow::setEventCompression(bool compress) } //! [5] -void MainWindow::save() +bool MainWindow::save() { QString path = QDir::currentPath() + "/untitled.png"; QString fileName = QFileDialog::getSaveFileName(this, tr("Save Picture"), path); - - if (!m_canvas->saveImage(fileName)) + bool success = m_canvas->saveImage(fileName); + if (!success) QMessageBox::information(this, "Error Saving Picture", "Could not save the image"); + return success; } //! [5] @@ -128,6 +129,14 @@ void MainWindow::load() } //! [6] +void MainWindow::clear() +{ + if (QMessageBox::question(this, tr("Save changes"), tr("Do you want to save your changes?"), + QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, + QMessageBox::Save) != QMessageBox::Save || save()) + m_canvas->clear(); +} + //! [7] void MainWindow::about() { @@ -142,6 +151,7 @@ void MainWindow::createMenus() QMenu *fileMenu = menuBar()->addMenu(tr("&File")); fileMenu->addAction(tr("&Open..."), this, &MainWindow::load, QKeySequence::Open); fileMenu->addAction(tr("&Save As..."), this, &MainWindow::save, QKeySequence::SaveAs); + fileMenu->addAction(tr("&New"), this, &MainWindow::clear, QKeySequence::New); fileMenu->addAction(tr("E&xit"), this, &MainWindow::close, QKeySequence::Quit); QMenu *brushMenu = menuBar()->addMenu(tr("&Brush")); |