xwayland: Introduce a private struct for XWayland interface
libweston-desktop implements this private struct.
Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net>
Reviewed-by: Jonas Ådahl <jadahl@gmail.com>
Acked-by: Giulio Camuffo <giulio.camuffo@kdab.com>
Differential Revision: https://phabricator.freedesktop.org/D1208
diff --git a/xwayland/xwayland-api.h b/xwayland/xwayland-api.h
index 0802f48..317533e 100644
--- a/xwayland/xwayland-api.h
+++ b/xwayland/xwayland-api.h
@@ -38,6 +38,7 @@
struct weston_xwayland;
#define WESTON_XWAYLAND_API_NAME "weston_xwayland_v1"
+#define WESTON_XWAYLAND_SURFACE_API_NAME "weston_xwayland_surface_v1"
typedef pid_t
(*weston_xwayland_spawn_xserver_func_t)(
@@ -127,6 +128,47 @@
return (const struct weston_xwayland_api *)api;
}
+/** The libweston Xwayland surface API
+ *
+ * This API allows control of the Xwayland libweston module surfaces.
+ * The module must be loaded at runtime with \a weston_compositor_load_xwayland,
+ * after which the API can be retrieved by using
+ * \a weston_xwayland_surface_get_api.
+ */
+struct weston_xwayland_surface_api {
+ /** Check if the surface is an Xwayland surface
+ *
+ * \param surface The surface.
+ */
+ bool
+ (*is_xwayland_surface)(struct weston_surface *surface);
+ /** Notify the Xwayland surface that its position changed.
+ *
+ * \param surface The Xwayland surface.
+ * \param x The x-axis position.
+ * \param y The y-axis position.
+ */
+ void
+ (*send_position)(struct weston_surface *surface, int32_t x, int32_t y);
+};
+
+/** Retrieve the API object for the libweston Xwayland surface.
+ *
+ * The module must have been previously loaded by calling
+ * \a weston_compositor_load_xwayland.
+ *
+ * \param compositor The compositor instance.
+ */
+static inline const struct weston_xwayland_surface_api *
+weston_xwayland_surface_get_api(struct weston_compositor *compositor)
+{
+ const void *api;
+ api = weston_plugin_api_get(compositor, WESTON_XWAYLAND_SURFACE_API_NAME,
+ sizeof(struct weston_xwayland_surface_api));
+ /* The cast is necessary to use this function in C++ code */
+ return (const struct weston_xwayland_surface_api *)api;
+}
+
#ifdef __cplusplus
}
#endif