API reference

QmlSession

Owns QML bridge activation for C++, PySide6 and WebAssembly applications.

static void prepareApplication(): Selects Qt Quick OpenGL before the first Quick surface is created.
static void prepareApplication(GraphicsApi api): Selects a Quick graphics API before the first Quick surface exists.
static bool isGraphicsApiCompatible(GraphicsApi api): Checks whether Quick can share the requested widget graphics API.
bool activate(QString* error = nullptr): Activates the bridge; repeating an active call is a no-op.
bool deactivate(QString* error = nullptr): Unloads tracked scenes, retaining caller-owned views and models.
bool isActive() const
QmlView* createView(QWidget* parent = nullptr): Creates a caller-owned view only while the session is active.
bool attachView(QmlView* view): Tracks an existing caller-owned view only while active.

enum class GraphicsApi: Selects the graphics API shared by Quick and its native widget host.
Automatic
OpenGL
Direct3D11
Metal

All inherited Qt members：QObject