diff options
Diffstat (limited to 'ext/ui.ttl')
| -rw-r--r-- | ext/ui.ttl/lv2_ui.h | 303 | ||||
| -rw-r--r-- | ext/ui.ttl/manifest.ttl | 8 | ||||
| -rw-r--r-- | ext/ui.ttl/ui.ttl | 192 |
3 files changed, 0 insertions, 503 deletions
diff --git a/ext/ui.ttl/lv2_ui.h b/ext/ui.ttl/lv2_ui.h deleted file mode 100644 index ac54256..0000000 --- a/ext/ui.ttl/lv2_ui.h +++ /dev/null @@ -1,303 +0,0 @@ -/************************************************************************
- *
- * In-process UI extension for LV2
- *
- * Copyright (C) 2006-2010 Lars Luthman <mail@larsluthman.net>
- *
- * Based on lv2.h, which was
- *
- * Copyright (C) 2000-2002 Richard W.E. Furse, Paul Barton-Davis,
- * Stefan Westerfeld
- * Copyright (C) 2006 Steve Harris, Dave Robillard.
- *
- * This header is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation; either version 2.1 of the License,
- * or (at your option) any later version.
- *
- * This header is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
- * USA.
- *
- ***********************************************************************/
-
-/** @file
- This file specifies a C API for communication between an LV2 host and an
- LV2 UI. The interface is similar to the one used for actual LV2 plugins.
-
- The entry point is the function lv2ui_descriptor().
-*/
-
-#ifndef LV2_UI_H
-#define LV2_UI_H
-
-
-#include <lv2.h>
-
-/** The URI prefix for this extension. */
-#define LV2_UI_URI "http://lv2plug.in/ns/ext/ui"
-
-/** The numerical index returned by LV2_UI_Host_Descriptor::port_index() for
- invalid port symbols. */
-#define LV2_UI_INVALID_PORT_INDEX ((uint32_t)-1)
-
-/** The numerical ID returned by LV2_UI_Host_Descriptor::port_protocol_id() for
- invalid or unsupported PortProtocols. */
-#define LV2_UI_INVALID_PORT_PROTOCOL_ID ((uint32_t)-1)
-
-/** The full URI for the ui:floatControl PortProtocol. */
-#define LV2_UI_FLOAT_CONTROL_URI "http://lv2plug.in/ns/ext/ui#floatControl"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/** A pointer to a widget or other type of UI handle.
- The actual type is defined by the type of the UI defined in the RDF data.
- All the functionality provided by this extension is toolkit
- independent, the host only needs to pass the necessary callbacks and
- display the widget, if possible. Plugins may have several UIs, in various
- toolkits. */
-typedef void* LV2_UI_Widget;
-
-
-/** This handle indicates a particular instance of a UI.
- It is valid to compare this to NULL (0 for C++) but otherwise the
- host MUST not attempt to interpret it. The UI plugin may use it to
- reference internal instance data. */
-typedef void* LV2_UI_Handle;
-
-
-/** An object of this type is passed to the UI's instantiate() function,
- and the UI must in turn pass it as the first parameter to the callbacks
- in LV2_UI_Host_Descriptor. The host may use it to reference internal data,
- such as the plugin instance that the UI is associated with. The UI
- MUST NOT interpret the value of an LV2_UI_Host_Handle in any way. */
-typedef void* LV2_UI_Host_Handle;
-
-
-/** This struct contains pointers to the host-provided functions that the
- UI can use to control the plugin instance. A pointer to an object of this
- type is passed to the lv2ui_descriptor() function.
-
- The host must provide non-NULL values for all the function pointers.
-*/
-typedef struct _LV2_UI_Host_Descriptor {
-
- /** This is a function that the UI can use to send data to a plugin's
- input ports. The @c buffer parameter must point to a block of data,
- @c buffer_size bytes large. The contents of this buffer and what the
- host should do with it depends on the value of the @c port_protocol
- parameter.
-
- The @c port_protocol parameter should be a numeric ID for a
- ui:PortProtocol. Numeric IDs for PortProtocols are retrieved using the
- port_protocol_id() function.
-
- The @c buffer is only valid during the time of this function call, so if
- the host wants to keep it for later use it has to copy the contents to an
- internal buffer.
-
- @param host_handle The LV2_UI_Host_Handle that was passed to the UI's
- instantiate() function.
- @param port_index The index of the port that the data should be written
- to, as returned by port_index().
- @param buffer_size The size of the data pointer to by @c buffer, in
- bytes.
- @param port_protocol The numeric ID for the Port Protocol to use,
- as returned by port_protocol_id().
- */
- void (*write_port)(LV2_UI_Host_Handle host_handle,
- uint32_t port_index,
- uint32_t buffer_size,
- uint32_t port_protocol,
- void const* buffer);
-
- /** Returns a numerical index for a port. This index is used when writing
- data to ports using write_port() and whe receiving data using
- port_event(). If @c port_symbol is not a valid port symbol for @c plugin
- the host it MUST return LV2_UI_INVALID_PORT_INDEX.
-
- @param host_handle The LV2_UI_Host_Handle that was passed to the UI's
- instantiate() function.
- @param port_symbol A port symbol, as defined in the RDF data for
- the plugin.
- */
- uint32_t (*port_index)(LV2_UI_Host_Handle host_handle,
- char const* port_symbol);
-
- /** This function is used by the UI, typically at instantiation, to get
- the numeric IDs that are mapped to certain ui:PortProtocols (see
- ui.ttl for details). If the host does not support the given
- ui:PortProtocol it MUST return LV2_UI_INVALID_PORT_PROTOCOL_ID.
-
- As a special case, when @c port_protocol_uri is LV2_UI_FLOAT_CONTROL_URI
- and ui:floatControl is listed as a required Feature for the UI, this
- function MUST return 0. The UI may assume this and skip the call.
-
- @param host_handle The LV2_UI_Host_Handle that was passed to the UI's
- instantiate() function.
- @param port_protocol_uri The URI of the ui:PortProtocol.
- */
- uint32_t (*port_protocol_id)(LV2_UI_Host_Handle host_handle,
- char const* port_protocol_uri);
-
- /** Add a port subscription. This means that the host will call the UI's
- port_event() function when the port value changes (as defined by
- the PortProtocol).
-
- Calling this function with the same @c port_index and @c port_protocol
- as an already active subscription has no effect.
-
- @param host_handle The LV2_UI_Host_Handle that was passed to the UI's
- instantiate() function.
- @param port_index The index for the port, as returned by port_index().
- @param port_protocol The numeric ID for the PortProtocol, as
- returned by port_protocol_id.
- */
- void (*add_port_subscription)(LV2_UI_Host_Handle host_handle,
- uint32_t port_index,
- uint32_t port_protocol);
-
- /** Remove a port subscription that has been added previously using
- add_port_subscription, i.e. tell the host to stop calling port_event()
- when the port value changes.
-
- Calling this function with a @c port_index and @c port_protocol that
- does not define an active port subscription has no effect.
-
- @param host_handle The LV2_UI_Host_Handle that was passed to the UI's
- instantiate() function.
- @param port_index The index for the port, as returned by port_index().
- @param port_protocol The numeric ID for the PortProtocol, as
- returned by port_protocol_id.
- */
- void (*remove_port_subscription)(LV2_UI_Host_Handle host_handle,
- uint32_t port_index,
- uint32_t port_protocol);
-
-} LV2_UI_Host_Descriptor;
-
-
-
-/** This struct contains the implementation of an UI. A pointer to an
- object of this type is returned by the lv2ui_descriptor() function.
-*/
-typedef struct _LV2_UI_Descriptor {
-
- /** The URI for this UI (not for the plugin it controls). */
- char const* URI;
-
- /** Create a new UI object and return a handle to it. This function works
- similarly to the instantiate() member in LV2_Descriptor.
-
- @param descriptor The descriptor for the UI that you want to instantiate.
- @param plugin_uri The URI of the plugin that this UI will control.
- @param bundle_path The path to the bundle containing the RDF data file
- that references this shared object file, including the
- trailing '/'.
- @param host_descriptor A pointer to an object that contains function
- pointers that the UI instance should use to
- control the plugin instance. This pointer MUST
- be valid until cleanup() is called for this UI
- instance.
- @param host_handle A handle that the host may use to reference internal
- data. It should be passed as the first parameter
- to the function pointers in @c host_descriptor, and
- MUST NOT be interpreted in any other way by the UI.
- @param features A NULL-terminated array of LV2_Feature pointers. The
- host must pass all feature URIs that it and the UI
- supports and any additional data, just like in the
- LV2 plugin instantiate() function. Note that UI
- features and plugin features are NOT necessarily the
- same, they just share the same data structure - this
- will probably not be the same array as the one the
- plugin host passes to a plugin.
- */
- LV2_UI_Handle (*instantiate)(struct _LV2_UI_Descriptor const* descriptor,
- char const* plugin_uri,
- char const* bundle_path,
- LV2_UI_Host_Descriptor const* host_descriptor,
- LV2_UI_Host_Handle host_handle,
- LV2_Feature const* const* features);
-
- /** Return the widget pointer for the UI object. This MUST return the
- same value during the entire lifetime of the UI object.
- */
- LV2_UI_Widget (*get_widget)(LV2_UI_Handle ui);
-
- /** Destroy the UI object and the associated widget. The host must not try
- to access the widget after calling this function.
- */
- void (*cleanup)(LV2_UI_Handle ui);
-
- /** This is called by the host when something happens at a plugin port that
- a subscription has been added for using
- LV2_UI_Host_Descriptor::add_port_subscription().
-
- The @c buffer is only valid during the time of this function call, so if
- the UI wants to keep it for later use it has to copy the contents to an
- internal buffer.
-
- @param ui A handle for the UI object.
- @param port_index The index of the port for which something has
- happened as returned by
- LV2_UI_Host_Descriptor::port_index().
- @param buffer_size The size of the data buffer in bytes.
- @param port_protocol The format of the data buffer, as returned by
- LV2_UI_Host_Descriptor::port_protocol_id().
- @param buffer A pointer to the data buffer.
- */
- void (*port_event)(LV2_UI_Handle ui,
- uint32_t port_index,
- uint32_t buffer_size,
- uint32_t port_protocol,
- void const* buffer);
-
- /** Returns a data structure associated with an extension URI, for example
- a struct containing additional function pointers. Avoid returning
- function pointers directly since standard C++ has no valid way of
- casting a void* to a function pointer. This member may be set to NULL
- if the UI is not interested in supporting any extensions. This is similar
- to the extension_data() member in LV2_Descriptor.
- */
- void const* (*extension_data)(char const* uri);
-
-} LV2_UI_Descriptor;
-
-
-
-/** A plugin UI programmer must include a function called "lv2ui_descriptor"
- with the following function prototype within the shared object
- file. This function will have C-style linkage (if you are using
- C++ this is taken care of by the 'extern "C"' clause at the top of
- the file). This function will be accessed by the UI host using the
- @c dlsym() function and called to get a LV2_UI_UIDescriptor for the
- wanted plugin.
-
- Just like lv2_descriptor(), this function takes an index parameter. The
- index should only be used for enumeration and not as any sort of ID number -
- the host should just iterate from 0 and upwards until the function returns
- NULL or a descriptor with an URI matching the one the host is looking for.
-*/
-LV2_UI_Descriptor const* lv2ui_descriptor(uint32_t index);
-
-
-/** This is the type of the lv2ui_descriptor() function. */
-typedef LV2_UI_Descriptor const* (*LV2_UI_DescriptorFunction)(uint32_t index);
-
-
-
-#ifdef __cplusplus
-}
-#endif
-
-
-#endif
diff --git a/ext/ui.ttl/manifest.ttl b/ext/ui.ttl/manifest.ttl deleted file mode 100644 index 79f73e6..0000000 --- a/ext/ui.ttl/manifest.ttl +++ /dev/null @@ -1,8 +0,0 @@ -@prefix lv2: <http://lv2plug.in/ns/lv2core#>. -@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>. - -<http://lv2plug.in/ns/ext/ui> - a lv2:Specification; - lv2:minorVersion 0; - lv2:microVersion 1; - rdfs:seeAlso <ui.ttl>. diff --git a/ext/ui.ttl/ui.ttl b/ext/ui.ttl/ui.ttl deleted file mode 100644 index 6cdb944..0000000 --- a/ext/ui.ttl/ui.ttl +++ /dev/null @@ -1,192 +0,0 @@ -# In-process UI extension -# -# Copyright (C) 2010-2011 Lars Luthman <mail@larsluthman.net> -# -# based on lv2.ttl, which is -# Copyright (C) 2006-2008 Steve Harris, Dave Robillard -# -# This extension should be considered a replacement for the earlier -# in-process UI extension with the URI <http://lv2plug.in/ns/extensions/ui>. -# Hosts and plugins that used that extension should use this one instead. -# The earlier in-process UI extension is not compatible with LV2 revision 3 -# and later and may break in subtle ways. -# -# Permission is hereby granted, free of charge, to any person obtaining a -# copy of this software and associated documentation files (the "Software"), -# to deal in the Software without restriction, including without limitation -# the rights to use, copy, modify, merge, publish, distribute, sublicense, -# and/or sell copies of the Software, and to permit persons to whom the -# Software is furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included -# in all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR -# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -# OTHER DEALINGS IN THE SOFTWARE. - -@prefix ui: <http://lv2plug.in/ns/ext/ui#>. -@prefix lv2: <http://lv2plug.in/ns/lv2core#>. -@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . -@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . -@prefix doap: <http://usefulinc.com/ns/doap#> . -@prefix foaf: <http://xmlns.com/foaf/0.1/> . - -<http://lv2plug.in/ns/ext/ui> a lv2:Specification ; - doap:license <http://usefulinc.com/doap/licenses/mit>; - doap:name "LV2 in-process UI" ; - doap:release [ - doap:revision "0.1" ; - doap:created "2011-03-26" - ]; - doap:maintainer [ - a foaf:Person; - foaf:name "Lars Luthman"; - foaf:mbox <mailto:mail@larsluthman.net>; - ]; - lv2:documentation """ -<p>This extension defines an interface that can be used to create UIs for -plugins. The UIs are code that reside in shared object files in an LV2 -bundle and are referenced in the RDF data using the triples -<pre> - @prefix ui: <http://lv2plug.in/ns/ext/ui#>. - <http://my.pluginui> a ui-gtk:GtkUI; - lv2:appliesTo <http://my.plugin>; - ui:binary <myui.so>. -</pre> -where <http://my.plugin> is the URI of the plugin, -<http://my.pluginui> is -the URI of the plugin UI and <myui.so> is the relative URI -to the shared -object file. While it is possible to have the plugin UI and the plugin in -the same shared object file it is probably a good idea to keep them -separate so that hosts that don't want UIs don't have to load the UI code. -</p> - -<p>A UI MUST specify its class in the RDF data and the class MUST be a proper -subclass of ui:UI, in this case ui-gtk:GtkUI. The class defines what type the UI -is, e.g. what graphics toolkit it uses. There are no UI classes defined in -this extension, those are specified separately (and anyone can define their -own). -</p> - -<p>It's entirely possible to have multiple UIs for the same plugin, or to have -the UI for a plugin in a different bundle from the actual plugin - this -way people other than the plugin author can write plugin UIs independently -without editing the original plugin bundle. It is also possible to have one -UI that works with several different plugins. -</p> - -<p>UIs should also be written in such a way that the host may load several -instances of an UI, or different UIs, and use them with the same plugin -instance. -</p> - -<p>Note that the process that loads the shared object file containing the UI -code and the process that loads the shared object file containing the -actual plugin implementation do not have to be the same. There are many -valid reasons for having the plugin and the UI in different processes, or -even on different machines. This means that you can <b>not</b> use singletons -and global variables and expect them to refer to the same objects in the -UI and the actual plugin. The function callback interface defined in the -header lv2_ui.h is all you can expect to work. -</p> -""". - -############## -## UI Class ## -############## - -ui:UI a rdfs:Class; - rdfs:subClassOf lv2:Feature; - rdfs:label "UI"; - lv2:documentation """ -<p>The class which represents an LV2 plugin UI. -</p> - -<p>To be used by a host a UI MUST have at least the following properties: -<pre> - rdf:type (with object a proper subclass of ui:UI) - doap:name (one without language tag) - lv2:binary (with a shared object file as object) - lv2:appliesTo (with a LV2 plugin as object) -</pre> -The rdf:type of an UI is used by the host to decide whether it supports the -UI and how to handle the LV2_UI_Widget object that is returned by the UIs -get_widget() function. For example, a type of ui-gtk:GtkGUI might tell the host -that LV2_UI_Widget is a pointer to an object of a type defined in the Gtk+ -library. No UI types are defined in this extension, that is intentionally -left for other extensions. -</p> - -<p>The doap:name property should be at most a few words in length using title -capitalization, e.g. "Flashy Mixer GUI". Use lv2:documentation for more -detailed descriptions.</p> - -<p>UIs may have optional or required features, specified using lv2:optionalFeature -or lv2:requiredFeature. The same rules apply here as for plugins; a host MUST -pass the LV2_Feature objects for all features it supports to the UI's -instantiate() function, a host SHOULD not try to instantiate an UI if it -doesn't support all of it's required features, and an UI MUST fail to -instantiate if the host doesn't pass all required features to instantiate(). -</p> - -<p>For details about the C API used to load UIs, see the file lv2_ui.h. -</p> -""" . - - -#################### -## Port Protocols ## -#################### - -ui:PortProtocol a rdfs:Class; - rdfs:subClassOf lv2:Feature; - rdfs:label "Port protocol"; - lv2:documentation """ -<p>A PortProtocol defines a certain way of communicating port data between UI -and plugin. PortProtocols can be specified in additional extensions, and -those extensions MUST specify -</p> - -<p><ol> -<li>Which plugin port types the buffer type is valid for</li> -<li>When the host should call port_event() in LV2_UI_Descriptor</li> -<li>The format of the data in the buffer passed to port_event()</li> -<li>The format of the data in the buffer passed to write_port()</li> -<li>What happens when the UI calls write_port() in LV2_UI_Host_Descriptor</li> -<li>What data (if any) should be passed in the LV2_Feature data pointer. </li> -</ol></p> - -<p>For an example, see ui:floatControl. -</p> - -<p>PortProtocol is a subclass of lv2:Feature, so UIs use lv2:optionalFeature and -lv2:requiredFeature to specify which PortProtocols they want to use. -</p> -""". - -ui:floatControl a ui:PortProtocol; - rdfs:label "Floating point value"; - lv2:documentation """ -<ol> -<li>This PortProtocol is valid for ports with the type lv2:ControlPort.</li> -<li>The host SHOULD call port_event() as soon as possible when the port value - has changed, but the plugin MUST NOT depend on a call for every change or - the timing of the calls. However, the host MUST do the calls in the same - order that the value changes occur in.</li> -<li>The format of the data in the buffer passed to port_event() is a single - float, and the buffer size is sizeof(float).</li> -<li>Same as 3.</li> -<li>The host SHOULD change the port value as soon as possible when write_port() - is called, but the UI MUST NOT depend on a change for every call or the - timing of the changes. However, the host MUST do the changes in the same - order that the function calls occur in.</li> -<li>The data pointer in the LV2_Feature object for this feature should be - NULL.</li> -</ol> -""". |