diff options
Diffstat (limited to 'lv2/lv2plug.in/ns/extensions')
| -rw-r--r-- | lv2/lv2plug.in/ns/extensions/ui/ui.h | 57 |
1 files changed, 41 insertions, 16 deletions
diff --git a/lv2/lv2plug.in/ns/extensions/ui/ui.h b/lv2/lv2plug.in/ns/extensions/ui/ui.h index f394eb6..56e9455 100644 --- a/lv2/lv2plug.in/ns/extensions/ui/ui.h +++ b/lv2/lv2plug.in/ns/extensions/ui/ui.h @@ -84,6 +84,11 @@ typedef void* LV2UI_Handle; typedef void* LV2UI_Controller; /** + A pointer to opaque data for a feature. +*/ +typedef void* LV2UI_Feature_Handle; + +/** The type of the host-provided function that the UI can use to send data to a plugin's input ports. @@ -233,6 +238,11 @@ typedef struct _LV2UI_Descriptor { */ typedef struct _LV2UI_Resize { /** + Pointer to opaque data which must be passed to ui_resize(). + */ + LV2UI_Feature_Handle handle; + + /** Request or advertise a size change. When this struct is provided by the host, the UI may call this @@ -243,7 +253,7 @@ typedef struct _LV2UI_Resize { @return 0 on success. */ - int (*ui_resize)(LV2UI_Controller controller, int width, int height); + int (*ui_resize)(LV2UI_Feature_Handle handle, int width, int height); } LV2UI_Resize; /** @@ -256,12 +266,17 @@ typedef struct _LV2UI_Resize { */ typedef struct _LV2UI_Port_Map { /** + Pointer to opaque data which must be passed to ui_resize(). + */ + LV2UI_Feature_Handle handle; + + /** Get the index for the port with the given @p symbol. @return The index of the port, or LV2_UI_INVALID_PORT_INDEX if no such port is found. */ - uint32_t (*port_index)(LV2UI_Controller controller, const char* symbol); + uint32_t (*port_index)(LV2UI_Feature_Handle handle, const char* symbol); } LV2UI_Port_Map; /** @@ -269,6 +284,11 @@ typedef struct _LV2UI_Port_Map { */ typedef struct _LV2UI_Port_Subscribe { /** + Pointer to opaque data which must be passed to ui_resize(). + */ + LV2UI_Feature_Handle handle; + + /** Subscribe to updates for a port. This means that the host will call the UI's port_event() function when @@ -277,15 +297,15 @@ typedef struct _LV2UI_Port_Subscribe { Calling this function with the same @c port_index and @c port_protocol as an already active subscription has no effect. - @param controller The @c controller passed to the UI's instantiate(). + @param handle The handle field of this struct. @param port_index The index of the port. @param port_protocol The URID of the ui:PortProtocol. @param data Extra data as defined by the port protocol, or NULL. */ - void (*subscribe)(LV2UI_Controller controller, - uint32_t port_index, - uint32_t port_protocol, - const void* options); + void (*subscribe)(LV2UI_Feature_Handle handle, + uint32_t port_index, + uint32_t port_protocol, + const void* options); /** Unsubscribe from updates for a port. @@ -296,15 +316,15 @@ typedef struct _LV2UI_Port_Subscribe { Calling this function with a @c port_index and @c port_protocol that does not refer to an active port subscription has no effect. - @param controller The @c controller passed to the UI's instantiate(). + @param handle The handle field of this struct. @param port_index The index of the port. @param port_protocol The URID of the ui:PortProtocol. @param data Extra data as defined by the port protocol, or NULL. */ - void (*unsubscribe)(LV2UI_Controller controller, - uint32_t port_index, - uint32_t port_protocol, - const void* options); + void (*unsubscribe)(LV2UI_Feature_Handle handle, + uint32_t port_index, + uint32_t port_protocol, + const void* options); } LV2UI_Port_Subscribe; /** @@ -312,16 +332,21 @@ typedef struct _LV2UI_Port_Subscribe { */ typedef struct _LV2UI_Touch { /** + Pointer to opaque data which must be passed to ui_resize(). + */ + LV2UI_Feature_Handle handle; + + /** Notify the host that a control has been grabbed or released. - @param controller The @c controller passed to the UI's instantiate(). + @param handle The handle field of this struct. @param port_index The index of the port associated with the control. @param grabbed If true, the control has been grabbed, otherwise the control has been released. */ - void (*touch)(LV2UI_Controller controller, - uint32_t port_index, - bool grabbed); + void (*touch)(LV2UI_Feature_Handle handle, + uint32_t port_index, + bool grabbed); } LV2UI_Touch; /** |