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Diffstat (limited to 'docs/checks/README-install-event-filter.md')
-rw-r--r-- | docs/checks/README-install-event-filter.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/checks/README-install-event-filter.md b/docs/checks/README-install-event-filter.md new file mode 100644 index 00000000..567e44ba --- /dev/null +++ b/docs/checks/README-install-event-filter.md @@ -0,0 +1,7 @@ +# install-event-filter + +Warns on potential misuse of `QObject::installEventFilter()`. +To install an event filter you should call `monitoredObject->installEventFilter(this)`, but sometimes +you'll write `installEventFilter(filterObject)` by mistake, which compiles fine. + +In rare cases you might actually want to install the event filter on `this`, in which case this is a false-positive. |