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Demonstrate the new AA_CompressTabletEvents in the tablet example 

Change-Id: I1972da2ead51274771ff24b4c506c2b581ee6abe
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@qt.io>
Reviewed-by: Jan Arve Sæther <jan-arve.saether@qt.io>
bb10
Shawn Rutledge 2017-04-25 10:18:08 +02:00
parent b19036ad56
commit cfccd44b9d
2 changed files with 11 additions and 0 deletions
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10
examples/widgets/widgets/tablet/mainwindow.cpp
View File

@ -60,6 +60,7 @@ MainWindow::MainWindow(TabletCanvas *canvas)
createMenus();
setWindowTitle(tr("Tablet Example"));
setCentralWidget(m_canvas);
QCoreApplication::setAttribute(Qt::AA_CompressHighFrequencyEvents);
}
//! [0]
@ -97,6 +98,11 @@ void MainWindow::setSaturationValuator(QAction *action)
}
//! [4]
void MainWindow::setEventCompression(bool compress)
{
QCoreApplication::setAttribute(Qt::AA_CompressTabletEvents, compress);
}
//! [5]
void MainWindow::save()
{
@ -220,6 +226,10 @@ void MainWindow::createMenus()
connect(colorSaturationGroup, &QActionGroup::triggered,
this, &MainWindow::setSaturationValuator);
QAction *compressAction = tabletMenu->addAction(tr("Co&mpress events"));
compressAction->setCheckable(true);
connect(compressAction, &QAction::toggled, this, &MainWindow::setEventCompression);
QMenu *helpMenu = menuBar()->addMenu("&Help");
helpMenu->addAction(tr("A&bout"), this, &MainWindow::about);
helpMenu->addAction(tr("About &Qt"), qApp, &QApplication::aboutQt);

1
examples/widgets/widgets/tablet/mainwindow.h
View File

@ -71,6 +71,7 @@ private slots:
void setAlphaValuator(QAction *action);
void setLineWidthValuator(QAction *action);
void setSaturationValuator(QAction *action);
void setEventCompression(bool compress);
void save();
void load();
void about();