diff options
Diffstat (limited to 'src/gui/kernel')
| -rw-r--r-- | src/gui/kernel/qwindow.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp index 44f3bc4ea9..2dc62d642d 100644 --- a/src/gui/kernel/qwindow.cpp +++ b/src/gui/kernel/qwindow.cpp @@ -435,8 +435,16 @@ void QWindow::setWindowModality(Qt::WindowModality modality) /*! Sets the window's surface \a format. - The format determines properties such as color depth, alpha, - depth and stencil buffer size, etc. + The format determines properties such as color depth, alpha, depth and + stencil buffer size, etc. For example, to give a window a transparent + background (provided that the window system supports compositing, and + provided that other content in the window does not make it opaque again): + + \code + QSurfaceFormat format; + format.setAlphaBufferSize(8); + window.setFormat(format); + \endcode The surface format will be resolved in the create() function. Calling this function after create() has been called will not re-resolve the |