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"
32 using namespace ARDOUR;
35 #if defined(HAVE_NEW_SLV2) && defined(HAVE_SUIL)
36 SuilHost LV2PluginUI::ui_host = NULL;
37 SLV2Value LV2PluginUI::ui_GtkUI = NULL;
41 LV2PluginUI::lv2_ui_write(void* controller,
43 uint32_t /*buffer_size*/,
47 LV2PluginUI* me = (LV2PluginUI*)controller;
48 boost::shared_ptr<AutomationControl> ac = me->_controllables[port_index];
51 ac->set_value(*(float*)buffer);
56 LV2PluginUI::on_external_ui_closed(void* controller)
58 LV2PluginUI* me = (LV2PluginUI*)controller;
59 me->_screen_update_connection.disconnect();
60 me->_external_ui_ptr = NULL;
64 LV2PluginUI::parameter_changed(uint32_t port_index, float val)
66 PlugUIBase::parameter_changed(port_index, val);
68 if (val != _values[port_index]) {
69 parameter_update(port_index, val);
74 LV2PluginUI::parameter_update(uint32_t port_index, float val)
81 suil_instance_port_event(_inst, port_index, 4, 0, &val);
83 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst);
84 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst);
85 if (ui_desc->port_event) {
86 ui_desc->port_event(ui_handle, port_index, 4, 0, &val);
89 _values[port_index] = val;
93 LV2PluginUI::start_updating(GdkEventAny*)
95 if (!_output_ports.empty()) {
96 _screen_update_connection.disconnect();
97 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
98 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
104 LV2PluginUI::stop_updating(GdkEventAny*)
106 //cout << "stop_updating" << endl;
108 if ( //!_external_ui_ptr &&
109 !_output_ports.empty()) {
110 _screen_update_connection.disconnect();
116 LV2PluginUI::output_update()
118 //cout << "output_update" << endl;
119 if (_external_ui_ptr) {
120 LV2_EXTERNAL_UI_RUN(_external_ui_ptr);
123 /* FIXME only works with control output ports (which is all we support now anyway) */
124 uint32_t nports = _output_ports.size();
125 for (uint32_t i = 0; i < nports; ++i) {
126 uint32_t index = _output_ports[i];
127 parameter_changed(index, _lv2->get_parameter(index));
132 LV2PluginUI::LV2PluginUI(boost::shared_ptr<PluginInsert> pi,
133 boost::shared_ptr<LV2Plugin> lv2p)
137 , _external_ui_ptr(NULL)
140 if (!_lv2->is_external_ui()) {
141 lv2ui_instantiate("gtk2gui");
146 LV2PluginUI::lv2ui_instantiate(const std::string& title)
148 LV2_Feature** features;
149 LV2_Feature** features_src;
150 LV2_Feature** features_dst;
151 size_t features_count;
154 is_external_ui = _lv2->is_external_ui();
156 if (is_external_ui) {
157 _external_ui_host.ui_closed = LV2PluginUI::on_external_ui_closed;
158 _external_ui_host.plugin_human_id = strdup(title.c_str());
160 _external_ui_feature.URI = LV2_EXTERNAL_UI_URI;
161 _external_ui_feature.data = &_external_ui_host;
163 features_src = features = (LV2_Feature**)_lv2->features();
165 while (*features++) {
168 features_dst = features = (LV2_Feature**)malloc(
169 sizeof(LV2_Feature*) * features_count);
170 features_dst[--features_count] = NULL;
171 features_dst[--features_count] = &_external_ui_feature;
172 while (features_count--) {
173 *features++ = *features_src++;
176 features_dst = (LV2_Feature**)_lv2->features();
179 #if defined(HAVE_NEW_SLV2) && defined(HAVE_SUIL)
180 if (!LV2PluginUI::ui_host) {
181 LV2PluginUI::ui_GtkUI = slv2_value_new_uri(
182 ARDOUR::PluginManager::the_manager()->lv2_world()->world,
183 "http://lv2plug.in/ns/extensions/ui#GtkUI");
184 LV2PluginUI::ui_host = suil_host_new(
185 LV2PluginUI::lv2_ui_write, NULL, NULL, NULL);
187 SLV2UI ui = _lv2->slv2_ui();
188 _inst = suil_instance_new(
189 LV2PluginUI::ui_host,
191 slv2_value_as_uri(ui_GtkUI),
192 slv2_value_as_uri(slv2_plugin_get_uri(_lv2->slv2_plugin())),
193 slv2_value_as_uri(slv2_ui_get_uri(ui)),
194 slv2_value_as_uri(_lv2->ui_type()),
195 slv2_uri_to_path(slv2_value_as_uri(slv2_ui_get_bundle_uri(ui))),
196 slv2_uri_to_path(slv2_value_as_uri(slv2_ui_get_binary_uri(ui))),
199 _inst = slv2_ui_instantiate(
200 _lv2->slv2_plugin(), _lv2->slv2_ui(), LV2PluginUI::lv2_ui_write, this,
204 if (is_external_ui) {
208 #if defined(HAVE_NEW_SLV2) && defined(HAVE_SUIL)
209 #define GET_WIDGET(inst) suil_instance_get_widget(inst);
211 #define GET_WIDGET(inst) slv2_ui_instance_get_widget(inst);
214 uint32_t num_ports = slv2_plugin_get_num_ports(_lv2->slv2_plugin());
215 for (uint32_t i = 0; i < num_ports; ++i) {
216 if (_lv2->parameter_is_output(i)
217 && _lv2->parameter_is_control(i)
218 && is_update_wanted(i)) {
219 _output_ports.push_back(i);
223 _external_ui_ptr = NULL;
225 if (!is_external_ui) {
226 GtkWidget* c_widget = (GtkWidget*)GET_WIDGET(_inst);
227 _gui_widget = Glib::wrap(c_widget);
228 _gui_widget->show_all();
229 pack_start(*_gui_widget, true, true);
231 _external_ui_ptr = (struct lv2_external_ui*)GET_WIDGET(_inst);
235 _values = new float[num_ports];
236 _controllables.resize(num_ports);
237 for (uint32_t i = 0; i < num_ports; ++i) {
239 uint32_t port = _lv2->nth_parameter(i, ok);
241 _values[port] = _lv2->get_parameter(port);
242 _controllables[port] = boost::dynamic_pointer_cast<ARDOUR::AutomationControl> (
243 insert->control(Evoral::Parameter(PluginAutomation, 0, port)));
245 if (_lv2->parameter_is_control(port) && _lv2->parameter_is_input(port)) {
246 parameter_update(port, _values[port]);
252 LV2PluginUI::~LV2PluginUI ()
254 //cout << "LV2PluginUI destructor called" << endl;
260 /* Close and delete GUI. */
261 #if defined(HAVE_NEW_SLV2) && defined(HAVE_SUIL)
262 suil_instance_free(_inst);
264 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst);
265 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst);
268 ui_desc->cleanup(ui_handle);
272 _screen_update_connection.disconnect();
274 if (_lv2->is_external_ui()) {
275 /* External UI is no longer valid.
276 on_window_hide() will not try to use it if is NULL.
278 _external_ui_ptr = NULL;
283 LV2PluginUI::get_preferred_height()
285 Gtk::Requisition r = size_request();
290 LV2PluginUI::get_preferred_width()
292 Gtk::Requisition r = size_request();
297 LV2PluginUI::package(Gtk::Window& win)
299 if (_external_ui_ptr) {
302 /* forward configure events to plugin window */
303 win.signal_configure_event().connect(
304 sigc::mem_fun(*this, &LV2PluginUI::configure_handler));
305 win.signal_map_event().connect(
306 sigc::mem_fun(*this, &LV2PluginUI::start_updating));
307 win.signal_unmap_event().connect(
308 sigc::mem_fun(*this, &LV2PluginUI::stop_updating));
314 LV2PluginUI::configure_handler(GdkEventConfigure*)
316 std::cout << "CONFIGURE" << std::endl;
321 LV2PluginUI::is_update_wanted(uint32_t /*index*/)
323 /* FIXME: use port notification properties
324 and/or new UI extension subscription methods
330 LV2PluginUI::on_window_show(const std::string& title)
332 //cout << "on_window_show - " << title << endl; flush(cout);
334 if (_lv2->is_external_ui()) {
335 if (_external_ui_ptr) {
336 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
339 lv2ui_instantiate(title);
340 if (!_external_ui_ptr) {
344 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
345 _screen_update_connection.disconnect();
346 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
347 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
355 LV2PluginUI::on_window_hide()
357 //cout << "on_window_hide" << endl; flush(cout);
359 if (_external_ui_ptr) {
360 LV2_EXTERNAL_UI_HIDE(_external_ui_ptr);
361 //slv2_ui_instance_get_descriptor(_inst)->cleanup(_inst);
362 //_external_ui_ptr = NULL;
363 //_screen_update_connection.disconnect();