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Diffstat (limited to 'src/gui/kernel/qscreen.cpp')
| -rw-r--r-- | src/gui/kernel/qscreen.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gui/kernel/qscreen.cpp b/src/gui/kernel/qscreen.cpp index bc4a25a65f..1dd8fb5e67 100644 --- a/src/gui/kernel/qscreen.cpp +++ b/src/gui/kernel/qscreen.cpp @@ -667,6 +667,10 @@ void QScreenPrivate::updatePrimaryOrientation() that are not part of the application, window system frames, and so on. + \warning Grabbing windows that are not part of the application is + not supported on systems such as iOS, where sandboxing/security + prevents reading pixels of windows not owned by the application. + The grabWindow() function grabs pixels from the screen, not from the window, i.e. if there is another window partially or entirely over the one you grab, you get pixels from the overlying window, |