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 "lv2_plugin_ui.h"
28 using namespace ARDOUR;
32 LV2PluginUI::lv2_ui_write(LV2UI_Controller controller,
38 LV2PluginUI* me = (LV2PluginUI*)controller;
39 if (*(float*)buffer != me->_values[port_index])
40 me->_lv2->set_parameter(port_index, *(float*)buffer);
44 LV2PluginUI::parameter_changed (uint32_t port_index, float val)
46 if (val != _values[port_index]) {
47 parameter_update(port_index, val);
52 LV2PluginUI::parameter_update (uint32_t port_index, float val)
54 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst);
55 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst);
56 if (ui_desc->port_event)
57 ui_desc->port_event(ui_handle, port_index, 4, 0, &val);
58 _values[port_index] = val;
62 LV2PluginUI::start_updating(GdkEventAny* event)
64 if (!_output_ports.empty()) {
65 _screen_update_connection.disconnect();
66 _screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
67 (mem_fun(*this, &LV2PluginUI::output_update));
73 LV2PluginUI::stop_updating(GdkEventAny* event)
75 if (!_output_ports.empty()) {
76 _screen_update_connection.disconnect();
82 LV2PluginUI::output_update()
84 /* FIXME only works with control output ports (which is all we support now anyway) */
85 uint32_t nports = _output_ports.size();
86 for (uint32_t i = 0; i < nports; ++i) {
87 uint32_t index = _output_ports[i];
88 parameter_changed(index, _lv2->get_parameter(index));
93 LV2PluginUI::LV2PluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<LV2Plugin> lv2p)
97 _inst = slv2_ui_instantiate(
98 _lv2->slv2_plugin(), _lv2->slv2_ui(), LV2PluginUI::lv2_ui_write, this,
101 uint32_t num_ports = slv2_plugin_get_num_ports(lv2p->slv2_plugin());
102 for (uint32_t i = 0; i < num_ports; ++i) {
103 if (lv2p->parameter_is_output(i) && lv2p->parameter_is_control(i) && is_update_wanted(i)) {
104 _output_ports.push_back(i);
108 GtkWidget* c_widget = (GtkWidget*)slv2_ui_instance_get_widget(_inst);
109 _gui_widget = Glib::wrap(c_widget);
110 _gui_widget->show_all();
111 pack_start(*_gui_widget, true, true);
113 _values = new float[num_ports];
114 for (uint32_t i = 0; i < num_ports; ++i) {
116 uint32_t port = lv2p->nth_parameter(i, ok);
118 _values[port] = lv2p->get_parameter(port);
119 if (lv2p->parameter_is_control(port) && lv2p->parameter_is_input(port)) {
120 parameter_update(port, _values[port]);
125 _lv2->ParameterChanged.connect(mem_fun(*this, &LV2PluginUI::parameter_changed));
128 LV2PluginUI::~LV2PluginUI ()
131 // plugin destructor destroys the GUI
135 LV2PluginUI::get_preferred_height ()
137 Gtk::Requisition r = size_request();
142 LV2PluginUI::get_preferred_width ()
144 Gtk::Requisition r = size_request();
149 LV2PluginUI::package (Gtk::Window& win)
151 /* forward configure events to plugin window */
152 win.signal_configure_event().connect (mem_fun (*this, &LV2PluginUI::configure_handler));
153 win.signal_map_event().connect (mem_fun (*this, &LV2PluginUI::start_updating));
154 win.signal_unmap_event().connect (mem_fun (*this, &LV2PluginUI::stop_updating));
159 LV2PluginUI::configure_handler (GdkEventConfigure* ev)
161 cout << "CONFIGURE" << endl;
166 LV2PluginUI::is_update_wanted(uint32_t index)
168 /* FIXME this should check the port notification properties, which nobody sets now anyway :) */