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"
30 using namespace ARDOUR;
34 SLV2UIHost LV2PluginUI::ui_host = NULL;
35 SLV2Value LV2PluginUI::ui_GtkUI = NULL;
39 LV2PluginUI::lv2_ui_write(LV2UI_Controller controller,
41 uint32_t /*buffer_size*/,
45 LV2PluginUI* me = (LV2PluginUI*)controller;
46 me->_controllables[port_index]->set_value(*(float*)buffer);
50 LV2PluginUI::on_external_ui_closed(LV2UI_Controller controller)
52 LV2PluginUI* me = (LV2PluginUI*)controller;
53 me->_screen_update_connection.disconnect();
54 me->_external_ui_ptr = NULL;
58 LV2PluginUI::parameter_changed(uint32_t port_index, float val)
60 PlugUIBase::parameter_changed(port_index, val);
62 if (val != _values[port_index]) {
63 parameter_update(port_index, val);
68 LV2PluginUI::parameter_update(uint32_t port_index, float val)
75 slv2_ui_instance_port_event(_inst, port_index, 4, 0, &val);
77 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst);
78 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst);
79 if (ui_desc->port_event) {
80 ui_desc->port_event(ui_handle, port_index, 4, 0, &val);
83 _values[port_index] = val;
87 LV2PluginUI::start_updating(GdkEventAny*)
89 if (!_output_ports.empty()) {
90 _screen_update_connection.disconnect();
91 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
92 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
98 LV2PluginUI::stop_updating(GdkEventAny*)
100 //cout << "stop_updating" << endl;
102 if ( //!_external_ui_ptr &&
103 !_output_ports.empty()) {
104 _screen_update_connection.disconnect();
110 LV2PluginUI::output_update()
112 //cout << "output_update" << endl;
113 if (_external_ui_ptr) {
114 LV2_EXTERNAL_UI_RUN(_external_ui_ptr);
117 /* FIXME only works with control output ports (which is all we support now anyway) */
118 uint32_t nports = _output_ports.size();
119 for (uint32_t i = 0; i < nports; ++i) {
120 uint32_t index = _output_ports[i];
121 parameter_changed(index, _lv2->get_parameter(index));
126 LV2PluginUI::LV2PluginUI(boost::shared_ptr<PluginInsert> pi,
127 boost::shared_ptr<LV2Plugin> lv2p)
132 , _external_ui_ptr(NULL)
134 if (!_lv2->is_external_ui()) {
135 lv2ui_instantiate("gtk2gui");
140 LV2PluginUI::lv2ui_instantiate(const std::string& title)
142 LV2_Feature** features;
143 LV2_Feature** features_src;
144 LV2_Feature** features_dst;
145 size_t features_count;
148 is_external_ui = _lv2->is_external_ui();
150 if (is_external_ui) {
151 _external_ui_host.ui_closed = LV2PluginUI::on_external_ui_closed;
152 _external_ui_host.plugin_human_id = strdup(title.c_str());
154 _external_ui_feature.URI = LV2_EXTERNAL_UI_URI;
155 _external_ui_feature.data = &_external_ui_host;
157 features_src = features = (LV2_Feature**)_lv2->features();
159 while (*features++) {
162 features_dst = features = (LV2_Feature**)malloc(
163 sizeof(LV2_Feature*) * features_count);
164 features_dst[--features_count] = NULL;
165 features_dst[--features_count] = &_external_ui_feature;
166 while (features_count--) {
167 *features++ = *features_src++;
170 features_dst = (LV2_Feature**)_lv2->features();
174 if (!LV2PluginUI::ui_host) {
175 LV2PluginUI::ui_GtkUI = slv2_value_new_uri(
176 ARDOUR::PluginManager::the_manager()->lv2_world()->world,
177 "http://lv2plug.in/ns/extensions/ui#GtkUI");
178 LV2PluginUI::ui_host = slv2_ui_host_new(
179 LV2PluginUI::lv2_ui_write, NULL, NULL, NULL);
181 _inst = slv2_ui_instance_new(
182 _lv2->slv2_plugin(), _lv2->slv2_ui(), ui_GtkUI, ui_host, this, features_dst);
184 _inst = slv2_ui_instantiate(
185 _lv2->slv2_plugin(), _lv2->slv2_ui(), LV2PluginUI::lv2_ui_write, this,
189 if (is_external_ui) {
193 uint32_t num_ports = slv2_plugin_get_num_ports(_lv2->slv2_plugin());
194 for (uint32_t i = 0; i < num_ports; ++i) {
195 if (_lv2->parameter_is_output(i)
196 && _lv2->parameter_is_control(i)
197 && is_update_wanted(i)) {
198 _output_ports.push_back(i);
202 _external_ui_ptr = NULL;
204 if (!is_external_ui) {
205 GtkWidget* c_widget = (GtkWidget*)slv2_ui_instance_get_widget(_inst);
206 _gui_widget = Glib::wrap(c_widget);
207 _gui_widget->show_all();
208 pack_start(*_gui_widget, true, true);
210 _external_ui_ptr = (struct lv2_external_ui*)slv2_ui_instance_get_widget(_inst);
214 _values = new float[num_ports];
215 _controllables.resize(num_ports);
216 for (uint32_t i = 0; i < num_ports; ++i) {
218 uint32_t port = _lv2->nth_parameter(i, ok);
220 _values[port] = _lv2->get_parameter(port);
221 _controllables[port] = boost::dynamic_pointer_cast<ARDOUR::AutomationControl> (
222 insert->control(Evoral::Parameter(PluginAutomation, 0, port)));
224 if (_lv2->parameter_is_control(port) && _lv2->parameter_is_input(port)) {
225 parameter_update(port, _values[port]);
231 LV2PluginUI::~LV2PluginUI ()
233 //cout << "LV2PluginUI destructor called" << endl;
239 /* Close and delete GUI. */
241 slv2_ui_instance_free(_inst);
243 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst);
244 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst);
247 ui_desc->cleanup(ui_handle);
251 _screen_update_connection.disconnect();
253 if (_lv2->is_external_ui()) {
254 /* External UI is no longer valid.
255 on_window_hide() will not try to use it if is NULL.
257 _external_ui_ptr = NULL;
262 LV2PluginUI::get_preferred_height()
264 Gtk::Requisition r = size_request();
269 LV2PluginUI::get_preferred_width()
271 Gtk::Requisition r = size_request();
276 LV2PluginUI::package(Gtk::Window& win)
278 if (_external_ui_ptr) {
281 /* forward configure events to plugin window */
282 win.signal_configure_event().connect(
283 sigc::mem_fun(*this, &LV2PluginUI::configure_handler));
284 win.signal_map_event().connect(
285 sigc::mem_fun(*this, &LV2PluginUI::start_updating));
286 win.signal_unmap_event().connect(
287 sigc::mem_fun(*this, &LV2PluginUI::stop_updating));
293 LV2PluginUI::configure_handler(GdkEventConfigure*)
295 std::cout << "CONFIGURE" << std::endl;
300 LV2PluginUI::is_update_wanted(uint32_t /*index*/)
302 /* FIXME: use port notification properties
303 and/or new UI extension subscription methods
309 LV2PluginUI::on_window_show(const std::string& title)
311 //cout << "on_window_show - " << title << endl; flush(cout);
313 if (_lv2->is_external_ui()) {
314 if (_external_ui_ptr) {
315 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
318 lv2ui_instantiate(title);
319 if (!_external_ui_ptr) {
323 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
324 _screen_update_connection.disconnect();
325 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
326 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
334 LV2PluginUI::on_window_hide()
336 //cout << "on_window_hide" << endl; flush(cout);
338 if (_external_ui_ptr) {
339 LV2_EXTERNAL_UI_HIDE(_external_ui_ptr);
340 //slv2_ui_instance_get_descriptor(_inst)->cleanup(_inst);
341 //_external_ui_ptr = NULL;
342 //_screen_update_connection.disconnect();