2 Copyright (C) 2008-2011 Paul Davis
3 Author: David Robillard
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include "ardour/lv2_plugin.h"
22 #include "ardour/plugin_manager.h"
23 #include "ardour/processor.h"
25 #include "ardour_ui.h"
26 #include "gui_thread.h"
27 #include "lv2_plugin_ui.h"
31 #include <slv2/slv2.h>
33 #if defined(HAVE_NEW_SLV2) && defined(HAVE_SUIL)
34 #include <suil/suil.h>
38 using namespace ARDOUR;
41 #define NS_UI "http://lv2plug.in/ns/extensions/ui#"
43 #if defined(HAVE_NEW_SLV2) && defined(HAVE_SUIL)
44 static SuilHost* ui_host = NULL;
48 LV2PluginUI::lv2_ui_write(void* controller,
50 uint32_t /*buffer_size*/,
54 LV2PluginUI* me = (LV2PluginUI*)controller;
55 boost::shared_ptr<AutomationControl> ac = me->_controllables[port_index];
58 ac->set_value(*(float*)buffer);
63 LV2PluginUI::on_external_ui_closed(void* controller)
65 LV2PluginUI* me = (LV2PluginUI*)controller;
66 me->_screen_update_connection.disconnect();
67 me->_external_ui_ptr = NULL;
71 LV2PluginUI::parameter_changed(uint32_t port_index, float val)
73 PlugUIBase::parameter_changed(port_index, val);
75 if (val != _values[port_index]) {
76 parameter_update(port_index, val);
81 LV2PluginUI::parameter_update(uint32_t port_index, float val)
88 suil_instance_port_event(_inst, port_index, 4, 0, &val);
90 SLV2UIInstance inst = (SLV2UIInstance)_inst;
91 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(inst);
92 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(inst);
93 if (ui_desc->port_event) {
94 ui_desc->port_event(ui_handle, port_index, 4, 0, &val);
97 _values[port_index] = val;
101 LV2PluginUI::start_updating(GdkEventAny*)
103 if (!_output_ports.empty()) {
104 _screen_update_connection.disconnect();
105 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
106 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
112 LV2PluginUI::stop_updating(GdkEventAny*)
114 //cout << "stop_updating" << endl;
116 if ( //!_external_ui_ptr &&
117 !_output_ports.empty()) {
118 _screen_update_connection.disconnect();
124 LV2PluginUI::output_update()
126 //cout << "output_update" << endl;
127 if (_external_ui_ptr) {
128 LV2_EXTERNAL_UI_RUN(_external_ui_ptr);
131 /* FIXME only works with control output ports (which is all we support now anyway) */
132 uint32_t nports = _output_ports.size();
133 for (uint32_t i = 0; i < nports; ++i) {
134 uint32_t index = _output_ports[i];
135 parameter_changed(index, _lv2->get_parameter(index));
140 LV2PluginUI::LV2PluginUI(boost::shared_ptr<PluginInsert> pi,
141 boost::shared_ptr<LV2Plugin> lv2p)
145 , _external_ui_ptr(NULL)
148 if (!_lv2->is_external_ui()) {
149 lv2ui_instantiate("gtk2gui");
154 LV2PluginUI::lv2ui_instantiate(const std::string& title)
156 LV2_Feature** features;
157 LV2_Feature** features_src;
158 LV2_Feature** features_dst;
159 size_t features_count;
162 is_external_ui = _lv2->is_external_ui();
164 if (is_external_ui) {
165 _external_ui_host.ui_closed = LV2PluginUI::on_external_ui_closed;
166 _external_ui_host.plugin_human_id = strdup(title.c_str());
168 _external_ui_feature.URI = LV2_EXTERNAL_UI_URI;
169 _external_ui_feature.data = &_external_ui_host;
171 features_src = features = (LV2_Feature**)_lv2->features();
173 while (*features++) {
176 features_dst = features = (LV2_Feature**)malloc(
177 sizeof(LV2_Feature*) * features_count);
178 features_dst[--features_count] = NULL;
179 features_dst[--features_count] = &_external_ui_feature;
180 while (features_count--) {
181 *features++ = *features_src++;
184 features_dst = (LV2_Feature**)_lv2->features();
187 #if defined(HAVE_NEW_SLV2) && defined(HAVE_SUIL)
189 ui_host = suil_host_new(LV2PluginUI::lv2_ui_write, NULL, NULL, NULL);
191 const char* container_type = (is_external_ui)
195 SLV2UI ui = _lv2->slv2_ui();
196 _inst = suil_instance_new(
200 slv2_value_as_uri(slv2_plugin_get_uri(_lv2->slv2_plugin())),
201 slv2_value_as_uri(slv2_ui_get_uri(ui)),
202 slv2_value_as_uri(_lv2->ui_type()),
203 slv2_uri_to_path(slv2_value_as_uri(slv2_ui_get_bundle_uri(ui))),
204 slv2_uri_to_path(slv2_value_as_uri(slv2_ui_get_binary_uri(ui))),
207 _inst = slv2_ui_instantiate((SLV2Plugin)_lv2->c_plugin(),
208 (SLV2UI)_lv2->c_ui(),
209 LV2PluginUI::lv2_ui_write,
214 if (is_external_ui) {
218 #if defined(HAVE_NEW_SLV2) && defined(HAVE_SUIL)
219 #define GET_WIDGET(inst) suil_instance_get_widget((SuilInstance*)inst);
221 #define GET_WIDGET(inst) slv2_ui_instance_get_widget((SLV2UIInstance)inst);
224 const uint32_t num_ports = _lv2->num_ports();
225 for (uint32_t i = 0; i < num_ports; ++i) {
226 if (_lv2->parameter_is_output(i)
227 && _lv2->parameter_is_control(i)
228 && is_update_wanted(i)) {
229 _output_ports.push_back(i);
233 _external_ui_ptr = NULL;
235 if (!is_external_ui) {
236 GtkWidget* c_widget = (GtkWidget*)GET_WIDGET(_inst);
237 _gui_widget = Glib::wrap(c_widget);
238 _gui_widget->show_all();
239 pack_start(*_gui_widget, true, true);
241 _external_ui_ptr = (struct lv2_external_ui*)GET_WIDGET(_inst);
245 _values = new float[num_ports];
246 _controllables.resize(num_ports);
247 for (uint32_t i = 0; i < num_ports; ++i) {
249 uint32_t port = _lv2->nth_parameter(i, ok);
251 _values[port] = _lv2->get_parameter(port);
252 _controllables[port] = boost::dynamic_pointer_cast<ARDOUR::AutomationControl> (
253 insert->control(Evoral::Parameter(PluginAutomation, 0, port)));
255 if (_lv2->parameter_is_control(port) && _lv2->parameter_is_input(port)) {
256 parameter_update(port, _values[port]);
262 LV2PluginUI::~LV2PluginUI ()
264 //cout << "LV2PluginUI destructor called" << endl;
270 /* Close and delete GUI. */
271 #if defined(HAVE_NEW_SLV2) && defined(HAVE_SUIL)
272 suil_instance_free((SuilInstance*)_inst);
274 SLV2UIInstance inst = (SLV2UIInstance)_inst;
275 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(inst);
276 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(inst);
279 ui_desc->cleanup(ui_handle);
283 _screen_update_connection.disconnect();
285 if (_lv2->is_external_ui()) {
286 /* External UI is no longer valid.
287 on_window_hide() will not try to use it if is NULL.
289 _external_ui_ptr = NULL;
294 LV2PluginUI::get_preferred_height()
296 Gtk::Requisition r = size_request();
301 LV2PluginUI::get_preferred_width()
303 Gtk::Requisition r = size_request();
308 LV2PluginUI::package(Gtk::Window& win)
310 if (_external_ui_ptr) {
313 /* forward configure events to plugin window */
314 win.signal_configure_event().connect(
315 sigc::mem_fun(*this, &LV2PluginUI::configure_handler));
316 win.signal_map_event().connect(
317 sigc::mem_fun(*this, &LV2PluginUI::start_updating));
318 win.signal_unmap_event().connect(
319 sigc::mem_fun(*this, &LV2PluginUI::stop_updating));
325 LV2PluginUI::configure_handler(GdkEventConfigure*)
327 std::cout << "CONFIGURE" << std::endl;
332 LV2PluginUI::is_update_wanted(uint32_t /*index*/)
334 /* FIXME: use port notification properties
335 and/or new UI extension subscription methods
341 LV2PluginUI::on_window_show(const std::string& title)
343 //cout << "on_window_show - " << title << endl; flush(cout);
345 if (_lv2->is_external_ui()) {
346 if (_external_ui_ptr) {
347 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
350 lv2ui_instantiate(title);
351 if (!_external_ui_ptr) {
355 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
356 _screen_update_connection.disconnect();
357 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
358 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
366 LV2PluginUI::on_window_hide()
368 //cout << "on_window_hide" << endl; flush(cout);
370 if (_external_ui_ptr) {
371 LV2_EXTERNAL_UI_HIDE(_external_ui_ptr);
372 //slv2_ui_instance_get_descriptor(_inst)->cleanup(_inst);
373 //_external_ui_ptr = NULL;
374 //_screen_update_connection.disconnect();