diff options
Diffstat (limited to 'src/plugins/platforms/cocoa/qnsview_complextext.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qnsview_complextext.mm | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/src/plugins/platforms/cocoa/qnsview_complextext.mm b/src/plugins/platforms/cocoa/qnsview_complextext.mm index 24d289f6d3..e84aa88bf6 100644 --- a/src/plugins/platforms/cocoa/qnsview_complextext.mm +++ b/src/plugins/platforms/cocoa/qnsview_complextext.mm @@ -43,6 +43,17 @@ // ------------- Text insertion ------------- +- (QObject*)focusObject +{ + // The text input system may still hold a reference to our QNSView, + // even after QCocoaWindow has been destructed, delivering text input + // events to us, so we need to guard for this situation explicitly. + if (!m_platformWindow) + return nullptr; + + return m_platformWindow->window()->focusObject(); +} + /* Inserts the given text, potentially replacing existing text. @@ -88,8 +99,7 @@ } } - QObject *focusObject = m_platformWindow->window()->focusObject(); - if (queryInputMethod(focusObject)) { + if (queryInputMethod(self.focusObject)) { QInputMethodEvent inputMethodEvent; const bool isAttributedString = [text isKindOfClass:NSAttributedString.class]; @@ -111,7 +121,7 @@ inputMethodEvent.setCommitString(commitString, replaceFrom, replaceLength); } - QCoreApplication::sendEvent(focusObject, &inputMethodEvent); + QCoreApplication::sendEvent(self.focusObject, &inputMethodEvent); } m_composingText.clear(); @@ -122,6 +132,9 @@ { Q_UNUSED(sender); + if (!m_platformWindow) + return; + // Depending on the input method, pressing enter may // result in simply dismissing the input method editor, // without confirming the composition. In other cases @@ -278,7 +291,7 @@ // Update the composition, now that we've computed the replacement range m_composingText = preeditString; - if (QObject *focusObject = m_platformWindow->window()->focusObject()) { + if (QObject *focusObject = self.focusObject) { m_composingFocusObject = focusObject; if (queryInputMethod(focusObject)) { QInputMethodEvent event(preeditString, preeditAttributes); @@ -320,8 +333,7 @@ */ - (NSRange)markedRange { - QObject *focusObject = m_platformWindow->window()->focusObject(); - if (auto queryResult = queryInputMethod(focusObject, Qt::ImAbsolutePosition)) { + if (auto queryResult = queryInputMethod(self.focusObject, Qt::ImAbsolutePosition)) { int absoluteCursorPosition = queryResult.value(Qt::ImAbsolutePosition).toInt(); // The cursor position as reflected by Qt::ImAbsolutePosition is not @@ -356,7 +368,7 @@ << "for focus object" << m_composingFocusObject; if (!m_composingText.isEmpty()) { - QObject *focusObject = m_platformWindow->window()->focusObject(); + QObject *focusObject = self.focusObject; if (queryInputMethod(focusObject)) { QInputMethodEvent e; e.setCommitString(m_composingText); @@ -417,8 +429,7 @@ */ - (NSRange)selectedRange { - QObject *focusObject = m_platformWindow->window()->focusObject(); - if (auto queryResult = queryInputMethod(focusObject, + if (auto queryResult = queryInputMethod(self.focusObject, Qt::ImCursorPosition | Qt::ImAbsolutePosition | Qt::ImAnchorPosition)) { // Unfortunately the Qt::InputMethodQuery values are all relative @@ -465,8 +476,7 @@ */ - (NSAttributedString *)attributedSubstringForProposedRange:(NSRange)range actualRange:(NSRangePointer)actualRange { - QObject *focusObject = m_platformWindow->window()->focusObject(); - if (auto queryResult = queryInputMethod(focusObject, + if (auto queryResult = queryInputMethod(self.focusObject, Qt::ImAbsolutePosition | Qt::ImTextBeforeCursor | Qt::ImTextAfterCursor)) { const int absoluteCursorPosition = queryResult.value(Qt::ImAbsolutePosition).toInt(); const QString textBeforeCursor = queryResult.value(Qt::ImTextBeforeCursor).toString(); @@ -502,8 +512,8 @@ Q_UNUSED(range); Q_UNUSED(actualRange); - QWindow *window = m_platformWindow->window(); - if (queryInputMethod(window->focusObject())) { + QWindow *window = m_platformWindow ? m_platformWindow->window() : nullptr; + if (window && queryInputMethod(window->focusObject())) { QRect cursorRect = qApp->inputMethod()->cursorRectangle().toRect(); cursorRect.moveBottomLeft(window->mapToGlobal(cursorRect.bottomLeft())); return QCocoaScreen::mapToNative(cursorRect); |