diff options
| author | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2021-08-31 08:40:30 +0200 |
|---|---|---|
| committer | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2021-08-31 17:28:08 +0200 |
| commit | 34611847c6ffa59cde54e43788806c18d063b49d (patch) | |
| tree | 5ce94b02e3d28c034a89e22cbae71b089bceef09 /sources/pyside6/PySide6/glue/qtgui.cpp | |
| parent | 600e15a5ddca2119fab79ef618e22ad5abc8e8f0 (diff) | |
PySide6: Add QAccessible::installFactory()
Fixes: PYSIDE-1650
Change-Id: I05926888aa4de8c3a34c712ed2000ba59e524833
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>
Diffstat (limited to 'sources/pyside6/PySide6/glue/qtgui.cpp')
| -rw-r--r-- | sources/pyside6/PySide6/glue/qtgui.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/sources/pyside6/PySide6/glue/qtgui.cpp b/sources/pyside6/PySide6/glue/qtgui.cpp index 5874dc608..81181dac4 100644 --- a/sources/pyside6/PySide6/glue/qtgui.cpp +++ b/sources/pyside6/PySide6/glue/qtgui.cpp @@ -41,6 +41,101 @@ * INJECT CODE ********************************************************************/ +// @snippet qaccessible-pysidefactory +// Helper for QAccessible::installFactory() that forwards the calls to +// Python callables. +class PySideAccessibleFactory +{ + PySideAccessibleFactory() = default; +public: + ~PySideAccessibleFactory(); + + static PySideAccessibleFactory *instance() { return m_instance; } + static PySideAccessibleFactory *ensureInstance(); + + static void installFactory(PyObject *f); + static void cleanup(); + + static QAccessibleInterface *factory(const QString &key, QObject *o); + +private: + QAccessibleInterface *callFactories(const QString &key, QObject *o); + + static PySideAccessibleFactory *m_instance; + + QList<PyObject *> m_factoryFunctions; + QList<PyObject *> m_objects; +}; + +PySideAccessibleFactory *PySideAccessibleFactory::m_instance = nullptr; + +PySideAccessibleFactory::~PySideAccessibleFactory() +{ + QAccessible::removeFactory(PySideAccessibleFactory::factory); + if (!m_factoryFunctions.isEmpty()) { + Shiboken::GilState state; + for (auto *f : m_factoryFunctions) + Py_DECREF(f); + for (auto *o : m_objects) + Py_DECREF(o); + } +} + +PySideAccessibleFactory *PySideAccessibleFactory::ensureInstance() +{ + if (m_instance == nullptr) { + m_instance = new PySideAccessibleFactory; + QAccessible::installFactory(PySideAccessibleFactory::factory); + qAddPostRoutine(PySideAccessibleFactory::cleanup); + } + return m_instance; +} + +void PySideAccessibleFactory::installFactory(PyObject *f) +{ + if (m_instance != nullptr) { + Py_INCREF(f); + m_instance->m_factoryFunctions.append(f); + } +} + +void PySideAccessibleFactory::cleanup() +{ + delete m_instance; + m_instance = nullptr; +} + +QAccessibleInterface *PySideAccessibleFactory::factory(const QString &key, QObject *o) +{ + return m_instance ? m_instance->callFactories(key, o) : nullptr; +} + +QAccessibleInterface *PySideAccessibleFactory::callFactories(const QString &key, QObject *o) +{ + Shiboken::GilState state; + Shiboken::AutoDecRef arglist(PyTuple_New(2)); + PyTuple_SET_ITEM(arglist, 0, %CONVERTTOPYTHON[QString](key)); + PyTuple_SET_ITEM(arglist, 1, %CONVERTTOPYTHON[QObject *](o)); + + for (auto *f : m_factoryFunctions) { + if (PyObject *pyResult = PyObject_CallObject(f, arglist)) { + if (pyResult != Py_None) { + m_objects.append(pyResult); + QAccessibleInterface* result = %CONVERTTOCPP[QAccessibleInterface *](pyResult); + return result; + } + Py_DECREF(pyResult); + } + } + + return nullptr; +} +// @snippet qaccessible-pysidefactory + +// @snippet qaccessible-installfactory +PySideAccessibleFactory::ensureInstance()->installFactory(%1); +// @snippet qaccessible-installfactory + // @snippet glgetshadersource GLsizei bufSize = 4096; GLsizei length = bufSize - 1; |