diff options
Diffstat (limited to 'src/gui/kernel/qplatformwindow.cpp')
| -rw-r--r-- | src/gui/kernel/qplatformwindow.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/gui/kernel/qplatformwindow.cpp b/src/gui/kernel/qplatformwindow.cpp index 2364f465b6..faaf418522 100644 --- a/src/gui/kernel/qplatformwindow.cpp +++ b/src/gui/kernel/qplatformwindow.cpp @@ -521,6 +521,20 @@ static inline const QScreen *effectiveScreen(const QWindow *window) } /*! + Invalidates the window's surface by releasing its surface buffers. + + Many platforms do not support releasing the surface memory, + and the default implementation does nothing. + + The platform window is expected to recreate the surface again if + it is needed. For instance, if an OpenGL context is made current + on this window. + */ +void QPlatformWindow::invalidateSurface() +{ +} + +/*! Helper function to get initial geometry on windowing systems which do not do smart positioning and also do not provide a means of centering a transient window w.r.t. its parent. For example this is useful on Windows |