diff options
Diffstat (limited to 'examples/gui/doc/src/rasterwindow.qdoc')
| -rw-r--r-- | examples/gui/doc/src/rasterwindow.qdoc | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/examples/gui/doc/src/rasterwindow.qdoc b/examples/gui/doc/src/rasterwindow.qdoc index 963d09971d..d276925059 100644 --- a/examples/gui/doc/src/rasterwindow.qdoc +++ b/examples/gui/doc/src/rasterwindow.qdoc @@ -143,19 +143,16 @@ \snippet rasterwindow/rasterwindow.cpp 6 We went through a few places where the window needed to repainted - immediately. There are some cases where this is not desierable, + immediately. There are some cases where this is not desirable, but rather let the application return to the event loop and - later. We acheive this by posting an even to ourself which will - then be delivered when the application returns to the \l - QGuiApplication event loop. To avoid posting new requests when one - is already pending, we store this state in the \c m_update_pending - variable. + schedule the repaint for later. We achieve this by requesting + an update, using QWindow::requestUpdate(), which will then be + delivered when the system is ready to repaint. \snippet rasterwindow/rasterwindow.cpp 7 We reimplement the virtual \l QObject::event() function to handle - the update event we posted to ourselves. When the event comes in - we reset the pending update flag and call renderNow() to render - the window right away. + the update event. When the event comes in we call renderNow() to + render the window right away. */ |