diff options
Diffstat (limited to 'examples/opengl/hellowindow/hellowindow.cpp')
| -rw-r--r-- | examples/opengl/hellowindow/hellowindow.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/examples/opengl/hellowindow/hellowindow.cpp b/examples/opengl/hellowindow/hellowindow.cpp index 3c314d9bc2..7770949d45 100644 --- a/examples/opengl/hellowindow/hellowindow.cpp +++ b/examples/opengl/hellowindow/hellowindow.cpp @@ -60,8 +60,7 @@ Renderer::Renderer(const QSurfaceFormat &format, Renderer *share, QScreen *scree } HelloWindow::HelloWindow(const QSharedPointer<Renderer> &renderer) - : m_colorIndex(0) - , m_renderer(renderer) + : m_colorIndex(0), m_renderer(renderer), m_timer(0) { setSurfaceType(QWindow::OpenGLSurface); setWindowFlags(Qt::Window | Qt::WindowSystemMenuHint | Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint); @@ -84,9 +83,11 @@ void HelloWindow::exposeEvent(QExposeEvent *event) render(); - QTimer *timer = new QTimer(this); - connect(timer, SIGNAL(timeout()), this, SLOT(render())); - timer->start(10); + if (!m_timer) { + m_timer = new QTimer(this); + connect(m_timer, SIGNAL(timeout()), this, SLOT(render())); + m_timer->start(10); + } } void HelloWindow::mousePressEvent(QMouseEvent *) |