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 boost::shared_ptr<AutomationControl> ac = me->_controllables[port_index];
49 ac->set_value(*(float*)buffer);
54 LV2PluginUI::on_external_ui_closed(LV2UI_Controller controller)
56 LV2PluginUI* me = (LV2PluginUI*)controller;
57 me->_screen_update_connection.disconnect();
58 me->_external_ui_ptr = NULL;
62 LV2PluginUI::parameter_changed(uint32_t port_index, float val)
64 PlugUIBase::parameter_changed(port_index, val);
66 if (val != _values[port_index]) {
67 parameter_update(port_index, val);
72 LV2PluginUI::parameter_update(uint32_t port_index, float val)
79 slv2_ui_instance_port_event(_inst, port_index, 4, 0, &val);
81 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst);
82 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst);
83 if (ui_desc->port_event) {
84 ui_desc->port_event(ui_handle, port_index, 4, 0, &val);
87 _values[port_index] = val;
91 LV2PluginUI::start_updating(GdkEventAny*)
93 if (!_output_ports.empty()) {
94 _screen_update_connection.disconnect();
95 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
96 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
102 LV2PluginUI::stop_updating(GdkEventAny*)
104 //cout << "stop_updating" << endl;
106 if ( //!_external_ui_ptr &&
107 !_output_ports.empty()) {
108 _screen_update_connection.disconnect();
114 LV2PluginUI::output_update()
116 //cout << "output_update" << endl;
117 if (_external_ui_ptr) {
118 LV2_EXTERNAL_UI_RUN(_external_ui_ptr);
121 /* FIXME only works with control output ports (which is all we support now anyway) */
122 uint32_t nports = _output_ports.size();
123 for (uint32_t i = 0; i < nports; ++i) {
124 uint32_t index = _output_ports[i];
125 parameter_changed(index, _lv2->get_parameter(index));
130 LV2PluginUI::LV2PluginUI(boost::shared_ptr<PluginInsert> pi,
131 boost::shared_ptr<LV2Plugin> lv2p)
136 , _external_ui_ptr(NULL)
138 if (!_lv2->is_external_ui()) {
139 lv2ui_instantiate("gtk2gui");
144 LV2PluginUI::lv2ui_instantiate(const std::string& title)
146 LV2_Feature** features;
147 LV2_Feature** features_src;
148 LV2_Feature** features_dst;
149 size_t features_count;
152 is_external_ui = _lv2->is_external_ui();
154 if (is_external_ui) {
155 _external_ui_host.ui_closed = LV2PluginUI::on_external_ui_closed;
156 _external_ui_host.plugin_human_id = strdup(title.c_str());
158 _external_ui_feature.URI = LV2_EXTERNAL_UI_URI;
159 _external_ui_feature.data = &_external_ui_host;
161 features_src = features = (LV2_Feature**)_lv2->features();
163 while (*features++) {
166 features_dst = features = (LV2_Feature**)malloc(
167 sizeof(LV2_Feature*) * features_count);
168 features_dst[--features_count] = NULL;
169 features_dst[--features_count] = &_external_ui_feature;
170 while (features_count--) {
171 *features++ = *features_src++;
174 features_dst = (LV2_Feature**)_lv2->features();
178 if (!LV2PluginUI::ui_host) {
179 LV2PluginUI::ui_GtkUI = slv2_value_new_uri(
180 ARDOUR::PluginManager::the_manager()->lv2_world()->world,
181 "http://lv2plug.in/ns/extensions/ui#GtkUI");
182 LV2PluginUI::ui_host = slv2_ui_host_new(
183 LV2PluginUI::lv2_ui_write, NULL, NULL, NULL);
185 _inst = slv2_ui_instance_new(
186 _lv2->slv2_plugin(), _lv2->slv2_ui(), ui_GtkUI, ui_host, this, features_dst);
188 _inst = slv2_ui_instantiate(
189 _lv2->slv2_plugin(), _lv2->slv2_ui(), LV2PluginUI::lv2_ui_write, this,
193 if (is_external_ui) {
197 uint32_t num_ports = slv2_plugin_get_num_ports(_lv2->slv2_plugin());
198 for (uint32_t i = 0; i < num_ports; ++i) {
199 if (_lv2->parameter_is_output(i)
200 && _lv2->parameter_is_control(i)
201 && is_update_wanted(i)) {
202 _output_ports.push_back(i);
206 _external_ui_ptr = NULL;
208 if (!is_external_ui) {
209 GtkWidget* c_widget = (GtkWidget*)slv2_ui_instance_get_widget(_inst);
210 _gui_widget = Glib::wrap(c_widget);
211 _gui_widget->show_all();
212 pack_start(*_gui_widget, true, true);
214 _external_ui_ptr = (struct lv2_external_ui*)slv2_ui_instance_get_widget(_inst);
218 _values = new float[num_ports];
219 _controllables.resize(num_ports);
220 for (uint32_t i = 0; i < num_ports; ++i) {
222 uint32_t port = _lv2->nth_parameter(i, ok);
224 _values[port] = _lv2->get_parameter(port);
225 _controllables[port] = boost::dynamic_pointer_cast<ARDOUR::AutomationControl> (
226 insert->control(Evoral::Parameter(PluginAutomation, 0, port)));
228 if (_lv2->parameter_is_control(port) && _lv2->parameter_is_input(port)) {
229 parameter_update(port, _values[port]);
235 LV2PluginUI::~LV2PluginUI ()
237 //cout << "LV2PluginUI destructor called" << endl;
243 /* Close and delete GUI. */
245 slv2_ui_instance_free(_inst);
247 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst);
248 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst);
251 ui_desc->cleanup(ui_handle);
255 _screen_update_connection.disconnect();
257 if (_lv2->is_external_ui()) {
258 /* External UI is no longer valid.
259 on_window_hide() will not try to use it if is NULL.
261 _external_ui_ptr = NULL;
266 LV2PluginUI::get_preferred_height()
268 Gtk::Requisition r = size_request();
273 LV2PluginUI::get_preferred_width()
275 Gtk::Requisition r = size_request();
280 LV2PluginUI::package(Gtk::Window& win)
282 if (_external_ui_ptr) {
285 /* forward configure events to plugin window */
286 win.signal_configure_event().connect(
287 sigc::mem_fun(*this, &LV2PluginUI::configure_handler));
288 win.signal_map_event().connect(
289 sigc::mem_fun(*this, &LV2PluginUI::start_updating));
290 win.signal_unmap_event().connect(
291 sigc::mem_fun(*this, &LV2PluginUI::stop_updating));
297 LV2PluginUI::configure_handler(GdkEventConfigure*)
299 std::cout << "CONFIGURE" << std::endl;
304 LV2PluginUI::is_update_wanted(uint32_t /*index*/)
306 /* FIXME: use port notification properties
307 and/or new UI extension subscription methods
313 LV2PluginUI::on_window_show(const std::string& title)
315 //cout << "on_window_show - " << title << endl; flush(cout);
317 if (_lv2->is_external_ui()) {
318 if (_external_ui_ptr) {
319 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
322 lv2ui_instantiate(title);
323 if (!_external_ui_ptr) {
327 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
328 _screen_update_connection.disconnect();
329 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
330 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
338 LV2PluginUI::on_window_hide()
340 //cout << "on_window_hide" << endl; flush(cout);
342 if (_external_ui_ptr) {
343 LV2_EXTERNAL_UI_HIDE(_external_ui_ptr);
344 //slv2_ui_instance_get_descriptor(_inst)->cleanup(_inst);
345 //_external_ui_ptr = NULL;
346 //_screen_update_connection.disconnect();