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 "lv2_plugin_ui.h"
27 using namespace ARDOUR;
31 LV2PluginUI::lv2_ui_write(LV2UI_Controller controller,
37 LV2PluginUI* me = (LV2PluginUI*)controller;
38 if (*(float*)buffer != me->_values[port_index])
39 me->_lv2->set_parameter(port_index, *(float*)buffer);
43 LV2PluginUI::parameter_changed (uint32_t port_index, float val)
45 if (val != _values[port_index]) {
46 const LV2UI_Descriptor* ui_desc = slv2_ui_instance_get_descriptor(_inst);
47 LV2UI_Handle ui_handle = slv2_ui_instance_get_handle(_inst);
48 if (ui_desc->port_event)
49 ui_desc->port_event(ui_handle, port_index, 4, 0, &val);
50 _values[port_index] = val;
54 LV2PluginUI::LV2PluginUI (boost::shared_ptr<PluginInsert> pi, boost::shared_ptr<LV2Plugin> lv2p)
58 _inst = slv2_ui_instantiate(
59 _lv2->slv2_plugin(), _lv2->slv2_ui(), LV2PluginUI::lv2_ui_write, this,
62 GtkWidget* c_widget = (GtkWidget*)slv2_ui_instance_get_widget(_inst);
63 _gui_widget = Glib::wrap(c_widget);
64 _gui_widget->show_all();
65 pack_start(*_gui_widget, true, true);
67 uint32_t num_ports = slv2_plugin_get_num_ports(lv2p->slv2_plugin());
68 _values = new float[num_ports];
69 for (uint32_t i = 0; i < num_ports; ++i) {
71 _values[i] = lv2p->nth_parameter(i, ok);
73 lv2_ui_write(this, i, 4, /* FIXME: format */0, &_values[i]);
76 _lv2->ParameterChanged.connect(mem_fun(*this, &LV2PluginUI::parameter_changed));
79 LV2PluginUI::~LV2PluginUI ()
82 // plugin destructor destroys the GUI
86 LV2PluginUI::get_preferred_height ()
88 Gtk::Requisition r = size_request();
93 LV2PluginUI::get_preferred_width ()
95 Gtk::Requisition r = size_request();
100 LV2PluginUI::package (Gtk::Window& win)
102 /* forward configure events to plugin window */
103 win.signal_configure_event().connect (mem_fun (*this, &LV2PluginUI::configure_handler));
108 LV2PluginUI::configure_handler (GdkEventConfigure* ev)
110 cout << "CONFIGURE" << endl;