diff options
Diffstat (limited to 'src/gui/kernel/qinputdevicemanager.cpp')
-rw-r--r-- | src/gui/kernel/qinputdevicemanager.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/gui/kernel/qinputdevicemanager.cpp b/src/gui/kernel/qinputdevicemanager.cpp index 2d231ae26f..37b1450d5a 100644 --- a/src/gui/kernel/qinputdevicemanager.cpp +++ b/src/gui/kernel/qinputdevicemanager.cpp @@ -92,4 +92,48 @@ void QInputDeviceManager::setCursorPos(const QPoint &pos) emit cursorPositionChangeRequested(pos); } +/*! + \return the keyboard modifier state stored in the QInputDeviceManager object. + + Keyboard input handlers are expected to keep this up-to-date via + setKeyboardModifiers(). + + Querying the state via this function (e.g. from a mouse handler that needs + to include the modifier state in mouse events) is the preferred alternative + over QGuiApplication::keyboardModifiers() since the latter may not report + the current state due to asynchronous QPA event processing. + */ +Qt::KeyboardModifiers QInputDeviceManager::keyboardModifiers() const +{ + Q_D(const QInputDeviceManager); + return d->keyboardModifiers; +} + +void QInputDeviceManager::setKeyboardModifiers(Qt::KeyboardModifiers modsBeforeEvent, int key) +{ + Q_D(QInputDeviceManager); + Qt::KeyboardModifiers mods; + switch (key) { + case Qt::Key_Shift: + mods = Qt::KeyboardModifiers(modsBeforeEvent ^ Qt::ShiftModifier); + break; + case Qt::Key_Control: + mods = Qt::KeyboardModifiers(modsBeforeEvent ^ Qt::ControlModifier); + break; + case Qt::Key_Alt: + mods = Qt::KeyboardModifiers(modsBeforeEvent ^ Qt::AltModifier); + break; + case Qt::Key_Meta: + mods = Qt::KeyboardModifiers(modsBeforeEvent ^ Qt::MetaModifier); + break; + case Qt::Key_AltGr: + mods = Qt::KeyboardModifiers(modsBeforeEvent ^ Qt::GroupSwitchModifier); + break; + default: + mods = modsBeforeEvent; + break; + } + d->keyboardModifiers = mods; +} + QT_END_NAMESPACE |