2 Copyright (C) 2008 Paul Davis
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/processor.h"
22 #include "ardour/lv2_plugin.h"
24 #include "ardour_ui.h"
25 #include "gui_thread.h"
26 #include "lv2_plugin_ui.h"
29 using namespace ARDOUR;
33 LV2PluginUI::lv2_ui_write(
34 LV2UI_Controller controller,
36 uint32_t /*buffer_size*/,
40 //cout << "lv2_ui_write" << endl;
41 LV2PluginUI* me = (LV2PluginUI *) controller;
42 me->_controllables[port_index]->set_value (*(float *) buffer);
45 void LV2PluginUI::on_external_ui_closed(LV2UI_Controller controller)
47 LV2PluginUI* me = (LV2PluginUI*)controller;
48 me->_screen_update_connection.disconnect();
49 me->_external_ui_ptr = NULL;
53 LV2PluginUI::parameter_changed (uint32_t port_index, float val)
55 PlugUIBase::parameter_changed (port_index, val);
57 if (val != _values[port_index]) {
58 parameter_update(port_index, val);
63 LV2PluginUI::parameter_update (uint32_t port_index, float val)
69 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst);
70 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst);
71 if (ui_desc->port_event)
72 ui_desc->port_event(ui_handle, port_index, 4, 0, &val);
73 _values[port_index] = val;
77 LV2PluginUI::start_updating(GdkEventAny*)
79 if (!_output_ports.empty()) {
80 _screen_update_connection.disconnect();
81 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
82 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
88 LV2PluginUI::stop_updating(GdkEventAny*)
90 //cout << "stop_updating" << endl;
92 if (//!_external_ui_ptr &&
93 !_output_ports.empty()) {
94 _screen_update_connection.disconnect();
100 LV2PluginUI::output_update()
102 //cout << "output_update" << endl;
103 if (_external_ui_ptr) {
104 LV2_EXTERNAL_UI_RUN(_external_ui_ptr);
107 /* FIXME only works with control output ports (which is all we support now anyway) */
108 uint32_t nports = _output_ports.size();
109 for (uint32_t i = 0; i < nports; ++i) {
110 uint32_t index = _output_ports[i];
111 parameter_changed(index, _lv2->get_parameter(index));
116 LV2PluginUI::LV2PluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<LV2Plugin> lv2p)
121 , _external_ui_ptr(NULL)
123 if (!_lv2->is_external_ui()) {
124 lv2ui_instantiate("gtk2gui");
129 LV2PluginUI::lv2ui_instantiate(const std::string& title)
131 LV2_Feature** features;
132 LV2_Feature** features_src;
133 LV2_Feature** features_dst;
134 size_t features_count;
137 is_external_ui = _lv2->is_external_ui();
139 if (is_external_ui) {
140 _external_ui_host.ui_closed = LV2PluginUI::on_external_ui_closed;
141 _external_ui_host.plugin_human_id = strdup(title.c_str());
143 _external_ui_feature.URI = LV2_EXTERNAL_UI_URI;
144 _external_ui_feature.data = &_external_ui_host;
146 features_src = features = (LV2_Feature**)_lv2->features();
148 while (*features++) {
152 features_dst = features = (LV2_Feature**)malloc(sizeof(LV2_Feature*) * features_count);
153 features_dst[--features_count] = NULL;
154 features_dst[--features_count] = &_external_ui_feature;
155 while (features_count--) {
156 *features++ = *features_src++;
159 features_dst = (LV2_Feature**)_lv2->features();
162 _inst = slv2_ui_instantiate(
163 _lv2->slv2_plugin(), _lv2->slv2_ui(), LV2PluginUI::lv2_ui_write, this,
166 if (is_external_ui) {
170 uint32_t num_ports = slv2_plugin_get_num_ports(_lv2->slv2_plugin());
171 for (uint32_t i = 0; i < num_ports; ++i) {
172 if (_lv2->parameter_is_output(i) && _lv2->parameter_is_control(i) && is_update_wanted(i)) {
173 _output_ports.push_back(i);
177 _external_ui_ptr = NULL;
179 if (!is_external_ui) {
180 GtkWidget* c_widget = (GtkWidget*)slv2_ui_instance_get_widget(_inst);
181 _gui_widget = Glib::wrap(c_widget);
182 _gui_widget->show_all();
183 pack_start(*_gui_widget, true, true);
185 _external_ui_ptr = (struct lv2_external_ui *)slv2_ui_instance_get_widget(_inst);
189 _values = new float[num_ports];
190 _controllables.resize (num_ports);
191 for (uint32_t i = 0; i < num_ports; ++i) {
193 uint32_t port = _lv2->nth_parameter(i, ok);
195 _values[port] = _lv2->get_parameter(port);
196 _controllables[port] = boost::dynamic_pointer_cast<ARDOUR::AutomationControl> (
197 insert->control (Evoral::Parameter (PluginAutomation, 0, port))
200 if (_lv2->parameter_is_control(port) && _lv2->parameter_is_input(port)) {
201 parameter_update(port, _values[port]);
207 LV2PluginUI::~LV2PluginUI ()
209 //cout << "LV2PluginUI destructor called" << endl;
214 // plugin destructor destroys the GTK GUI
217 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst);
218 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst);
220 /*Call cleanup to tell the plugin to close its GUI and delete it*/
223 ui_desc->cleanup(ui_handle);
226 _screen_update_connection.disconnect();
228 if (_lv2->is_external_ui()) {
229 /*external UI is no longer valid - on_window_hide() will not try to use it if is NULL*/
230 _external_ui_ptr = NULL;
235 LV2PluginUI::get_preferred_height ()
237 Gtk::Requisition r = size_request();
242 LV2PluginUI::get_preferred_width ()
244 Gtk::Requisition r = size_request();
249 LV2PluginUI::package (Gtk::Window& win)
251 //cout << "package" << endl;
252 if (_external_ui_ptr) {
255 /* forward configure events to plugin window */
256 win.signal_configure_event().connect (sigc::mem_fun (*this, &LV2PluginUI::configure_handler));
257 win.signal_map_event().connect (sigc::mem_fun (*this, &LV2PluginUI::start_updating));
258 win.signal_unmap_event().connect (sigc::mem_fun (*this, &LV2PluginUI::stop_updating));
264 LV2PluginUI::configure_handler (GdkEventConfigure*)
266 std::cout << "CONFIGURE" << std::endl;
271 LV2PluginUI::is_update_wanted(uint32_t /*index*/)
273 /* FIXME this should check the port notification properties, which nobody sets now anyway :) */
278 LV2PluginUI::on_window_show(const std::string& title)
280 //cout << "on_window_show - " << title << endl; flush(cout);
282 if (_lv2->is_external_ui()) {
283 if (_external_ui_ptr) {
284 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
287 lv2ui_instantiate(title);
288 if (!_external_ui_ptr) {
292 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr);
293 _screen_update_connection.disconnect();
294 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
295 (sigc::mem_fun(*this, &LV2PluginUI::output_update));
303 LV2PluginUI::on_window_hide()
305 //cout << "on_window_hide" << endl; flush(cout);
307 if (_external_ui_ptr) {
308 LV2_EXTERNAL_UI_HIDE(_external_ui_ptr);
309 //slv2_ui_instance_get_descriptor(_inst)->cleanup(_inst);
310 //_external_ui_ptr = NULL;
311 //_screen_update_connection.disconnect();