diff options
| -rw-r--r-- | src/plugins/platforms/ios/qiosinputcontext.h | 1 | ||||
| -rw-r--r-- | src/plugins/platforms/ios/qiosinputcontext.mm | 20 |
2 files changed, 21 insertions, 0 deletions
diff --git a/src/plugins/platforms/ios/qiosinputcontext.h b/src/plugins/platforms/ios/qiosinputcontext.h index 5791367d84..f07408db81 100644 --- a/src/plugins/platforms/ios/qiosinputcontext.h +++ b/src/plugins/platforms/ios/qiosinputcontext.h @@ -82,6 +82,7 @@ public: void commit(); const ImeState &imeState() { return m_imeState; }; + bool inputMethodAccepted() const; bool isReloadingInputViewsFromUpdate() const { return m_isReloadingInputViewsFromUpdate; } diff --git a/src/plugins/platforms/ios/qiosinputcontext.mm b/src/plugins/platforms/ios/qiosinputcontext.mm index c038628fd9..25d9f6c421 100644 --- a/src/plugins/platforms/ios/qiosinputcontext.mm +++ b/src/plugins/platforms/ios/qiosinputcontext.mm @@ -486,6 +486,26 @@ void QIOSInputContext::update(Qt::InputMethodQueries updatedProperties) } } +bool QIOSInputContext::inputMethodAccepted() const +{ + // The IM enablement state is based on the last call to update() + bool lastKnownImEnablementState = m_imeState.currentState.value(Qt::ImEnabled).toBool(); + +#if !defined(QT_NO_DEBUG) + // QPlatformInputContext keeps a cached value of the current IM enablement state that is + // updated by QGuiApplication when the current focus object changes, or by QInputMethod's + // update() function. If the focus object changes, but the change is not propagated as + // a signal to QGuiApplication due to bugs in the widget/graphicsview/qml stack, we'll + // end up with a stale value for QPlatformInputContext::inputMethodAccepted(). To be on + // the safe side we always use our own cached value to decide if IM is enabled, and try + // to detect the case where the two values are out of sync. + if (lastKnownImEnablementState != QPlatformInputContext::inputMethodAccepted()) + qWarning("QPlatformInputContext::inputMethodAccepted() does not match actual focus object IM enablement!"); +#endif + + return lastKnownImEnablementState; +} + /*! Called by the input item to reset the input method state. */ |