2 Copyright (C) 2008-2012 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.
20 #include "ardour/lv2_plugin.h"
21 #include "ardour/plugin_manager.h"
22 #include "ardour/processor.h"
23 #include "ardour/session.h"
24 #include "pbd/error.h"
26 #include "ardour_ui.h"
27 #include "gui_thread.h"
28 #include "lv2_plugin_ui.h"
30 #include "lv2/lv2plug.in/ns/extensions/ui/ui.h"
32 #include <lilv/lilv.h>
33 #include <suil/suil.h>
37 using namespace ARDOUR;
41 #define NS_UI "http://lv2plug.in/ns/extensions/ui#"
43 static SuilHost* ui_host = NULL;
46 LV2PluginUI::write_from_ui(void* controller,
52 LV2PluginUI* me = (LV2PluginUI*)controller;
54 if (port_index >= me->_controllables.size()) {
58 boost::shared_ptr<AutomationControl> ac = me->_controllables[port_index];
60 ac->set_value(*(float*)buffer);
62 } else if (format == me->_lv2->atom_eventTransfer()) {
63 me->_lv2->write_from_ui(port_index, format, buffer_size, (uint8_t*)buffer);
68 LV2PluginUI::write_to_ui(void* controller,
74 LV2PluginUI* me = (LV2PluginUI*)controller;
76 suil_instance_port_event((SuilInstance*)me->_inst,
77 port_index, buffer_size, format, buffer);
82 LV2PluginUI::port_index(void* controller, const char* symbol)
84 return ((LV2PluginUI*)controller)->_lv2->port_index(symbol);
88 LV2PluginUI::touch(void* controller,
92 LV2PluginUI* me = (LV2PluginUI*)controller;
93 if (port_index >= me->_controllables.size()) {
97 ControllableRef control = me->_controllables[port_index];
99 control->start_touch(control->session().transport_frame());
101 control->stop_touch(false, control->session().transport_frame());
106 LV2PluginUI::update_timeout()
108 _lv2->emit_to_ui(this, &LV2PluginUI::write_to_ui);
112 LV2PluginUI::on_external_ui_closed(void* controller)
114 LV2PluginUI* me = (LV2PluginUI*)controller;
115 me->_screen_update_connection.disconnect();
116 me->_external_ui_ptr = NULL;
120 LV2PluginUI::parameter_changed(uint32_t port_index, float val)
122 PlugUIBase::parameter_changed(port_index, val);
124 if (val != _values[port_index]) {
125 parameter_update(port_index, val);
130 LV2PluginUI::parameter_update(uint32_t port_index, float val)
136 suil_instance_port_event((SuilInstance*)_inst, port_index, 4, 0, &val);
137 _values[port_index] = val;
141 LV2PluginUI::start_updating(GdkEventAny*)
143 if (!_output_ports.empty()) {
144 _screen_update_connection.disconnect();
145 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
146 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
152 LV2PluginUI::stop_updating(GdkEventAny*)
154 //cout << "stop_updating" << endl;
156 if (!_output_ports.empty()) {
157 _screen_update_connection.disconnect();
163 LV2PluginUI::output_update()
165 //cout << "output_update" << endl;
166 if (_external_ui_ptr) {
167 LV2_EXTERNAL_UI_RUN(_external_ui_ptr);
170 /* FIXME only works with control output ports (which is all we support now anyway) */
171 uint32_t nports = _output_ports.size();
172 for (uint32_t i = 0; i < nports; ++i) {
173 uint32_t index = _output_ports[i];
174 parameter_changed(index, _lv2->get_parameter(index));
179 LV2PluginUI::LV2PluginUI(boost::shared_ptr<PluginInsert> pi,
180 boost::shared_ptr<LV2Plugin> lv2p)
184 , _ardour_buttons_box(NULL)
186 , _external_ui_ptr(NULL)
192 LV2PluginUI::lv2ui_instantiate(const std::string& title)
194 LV2_Feature** features;
195 LV2_Feature** features_src;
196 LV2_Feature** features_dst;
197 size_t features_count;
200 is_external_ui = _lv2->is_external_ui();
202 if (is_external_ui) {
203 _external_ui_host.ui_closed = LV2PluginUI::on_external_ui_closed;
204 _external_ui_host.plugin_human_id = strdup(title.c_str());
206 _external_ui_feature.URI = LV2_EXTERNAL_UI_URI;
207 _external_ui_feature.data = &_external_ui_host;
209 features_src = features = (LV2_Feature**)_lv2->features();
211 while (*features++) {
214 features_dst = features = (LV2_Feature**)malloc(
215 sizeof(LV2_Feature*) * features_count);
216 features_dst[--features_count] = NULL;
217 features_dst[--features_count] = &_external_ui_feature;
218 while (features_count--) {
219 *features++ = *features_src++;
222 features_dst = (LV2_Feature**)_lv2->features();
226 ui_host = suil_host_new(LV2PluginUI::write_from_ui,
227 LV2PluginUI::port_index,
229 suil_host_set_touch_func(ui_host, LV2PluginUI::touch);
231 const char* container_type = (is_external_ui)
235 LilvUI* ui = (LilvUI*)_lv2->c_ui();
236 _inst = suil_instance_new(
241 lilv_node_as_uri(lilv_ui_get_uri(ui)),
242 lilv_node_as_uri((const LilvNode*)_lv2->c_ui_type()),
243 lilv_uri_to_path(lilv_node_as_uri(lilv_ui_get_bundle_uri(ui))),
244 lilv_uri_to_path(lilv_node_as_uri(lilv_ui_get_binary_uri(ui))),
247 if (is_external_ui) {
251 #define GET_WIDGET(inst) suil_instance_get_widget((SuilInstance*)inst);
253 const uint32_t num_ports = _lv2->num_ports();
254 for (uint32_t i = 0; i < num_ports; ++i) {
255 if (_lv2->parameter_is_output(i)
256 && _lv2->parameter_is_control(i)
257 && is_update_wanted(i)) {
258 _output_ports.push_back(i);
262 _external_ui_ptr = NULL;
264 if (!is_external_ui) {
265 _ardour_buttons_box = manage (new Gtk::HBox);
266 _ardour_buttons_box->set_spacing (6);
267 _ardour_buttons_box->set_border_width (6);
268 _ardour_buttons_box->pack_end (focus_button, false, false);
269 _ardour_buttons_box->pack_end (bypass_button, false, false, 10);
270 _ardour_buttons_box->pack_end (delete_button, false, false);
271 _ardour_buttons_box->pack_end (save_button, false, false);
272 _ardour_buttons_box->pack_end (add_button, false, false);
273 _ardour_buttons_box->pack_end (_preset_combo, false, false);
274 _ardour_buttons_box->show_all();
275 pack_start(*_ardour_buttons_box, false, false);
277 GtkWidget* c_widget = (GtkWidget*)GET_WIDGET(_inst);
279 error << _("failed to get LV2 UI widget") << endmsg;
280 suil_instance_free((SuilInstance*)_inst);
284 _gui_widget = Gtk::manage(Glib::wrap(c_widget));
285 _gui_widget->show_all();
286 pack_start(*_gui_widget, true, true);
288 _external_ui_ptr = (struct lv2_external_ui*)GET_WIDGET(_inst);
292 _values = new float[num_ports];
293 _controllables.resize(num_ports);
294 for (uint32_t i = 0; i < num_ports; ++i) {
296 uint32_t port = _lv2->nth_parameter(i, ok);
298 _values[port] = _lv2->get_parameter(port);
299 _controllables[port] = boost::dynamic_pointer_cast<ARDOUR::AutomationControl> (
300 insert->control(Evoral::Parameter(PluginAutomation, 0, port)));
302 if (_lv2->parameter_is_control(port) && _lv2->parameter_is_input(port)) {
303 parameter_update(port, _values[port]);
308 if (_lv2->has_message_output()) {
309 _lv2->enable_ui_emmission();
310 ARDOUR_UI::instance()->RapidScreenUpdate.connect(
311 sigc::mem_fun(*this, &LV2PluginUI::update_timeout));
316 LV2PluginUI::lv2ui_free()
321 remove (*_gui_widget);
326 suil_instance_free((SuilInstance*)_inst);
331 LV2PluginUI::~LV2PluginUI ()
337 /* Close and delete GUI. */
340 _screen_update_connection.disconnect();
342 if (_lv2->is_external_ui()) {
343 /* External UI is no longer valid.
344 on_window_hide() will not try to use it if is NULL.
346 _external_ui_ptr = NULL;
351 LV2PluginUI::get_preferred_height()
353 Gtk::Requisition r = size_request();
358 LV2PluginUI::get_preferred_width()
360 Gtk::Requisition r = size_request();
365 LV2PluginUI::resizable()
367 return _lv2->ui_is_resizable();
371 LV2PluginUI::package(Gtk::Window& win)
373 if (_external_ui_ptr) {
376 /* forward configure events to plugin window */
377 win.signal_configure_event().connect(
378 sigc::mem_fun(*this, &LV2PluginUI::configure_handler));
379 win.signal_map_event().connect(
380 sigc::mem_fun(*this, &LV2PluginUI::start_updating));
381 win.signal_unmap_event().connect(
382 sigc::mem_fun(*this, &LV2PluginUI::stop_updating));
388 LV2PluginUI::configure_handler(GdkEventConfigure*)
390 std::cout << "CONFIGURE" << std::endl;
395 LV2PluginUI::is_update_wanted(uint32_t /*index*/)
397 /* FIXME: use port notification properties
398 and/or new UI extension subscription methods
404 LV2PluginUI::on_window_show(const std::string& title)
406 //cout << "on_window_show - " << title << endl; flush(cout);
408 if (_lv2->is_external_ui()) {
409 if (_external_ui_ptr) {
410 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
413 lv2ui_instantiate(title);
414 if (!_external_ui_ptr) {
418 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
419 _screen_update_connection.disconnect();
420 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
421 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
424 lv2ui_instantiate("gtk2gui");
431 LV2PluginUI::on_window_hide()
433 //cout << "on_window_hide" << endl; flush(cout);
435 if (_external_ui_ptr) {
436 LV2_EXTERNAL_UI_HIDE(_external_ui_ptr);
437 //slv2_ui_instance_get_descriptor(_inst)->cleanup(_inst);
438 //_external_ui_ptr = NULL;
439 //_screen_update_connection.disconnect();