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/insert.h>
22 #include <ardour/lv2_plugin.h>
24 #include "ardour_ui.h"
25 #include "lv2_plugin_ui.h"
28 using namespace ARDOUR
;
31 std::vector
<struct lv2_external_ui
*> g_external_uis
;
33 void close_external_ui_windows()
35 struct lv2_external_ui
* external_ui_ptr
;
37 //cout << "close_external_ui_windows" << endl;
39 while (!g_external_uis
.empty()) {
40 //cout << "pop" << endl;
41 external_ui_ptr
= g_external_uis
.back();
42 LV2_EXTERNAL_UI_HIDE(external_ui_ptr
);
43 g_external_uis
.pop_back();
48 LV2PluginUI::lv2_ui_write(LV2UI_Controller controller
,
54 //cout << "lv2_ui_write" << endl;
55 LV2PluginUI
* me
= (LV2PluginUI
*)controller
;
56 if (*(float*)buffer
!= me
->_values
[port_index
]) {
57 //cout << "set_parameter " << port_index << ":" << *(float*)buffer << endl;
58 me
->_lv2
->set_parameter(port_index
, *(float*)buffer
);
62 void LV2PluginUI::on_external_ui_closed(LV2UI_Controller controller
)
64 //cout << "on_external_ui_closed" << endl;
66 LV2PluginUI
* me
= (LV2PluginUI
*)controller
;
67 me
->_screen_update_connection
.disconnect();
68 //me->insert->set_gui(0);
70 for (vector
<struct lv2_external_ui
*>::iterator it
= g_external_uis
.begin() ; it
< g_external_uis
.end(); it
++) {
71 if (*it
== me
->_external_ui_ptr
) {
72 g_external_uis
.erase(it
);
76 //slv2_ui_instance_get_descriptor(me->_inst)->cleanup(me->_inst);
77 me
->_external_ui_ptr
= NULL
;
81 LV2PluginUI::parameter_changed (uint32_t port_index
, float val
)
83 //cout << "parameter_changed" << endl;
84 if (val
!= _values
[port_index
]) {
85 parameter_update(port_index
, val
);
90 LV2PluginUI::parameter_update (uint32_t port_index
, float val
)
96 const LV2UI_Descriptor
* ui_desc
= slv2_ui_instance_get_descriptor(_inst
);
97 LV2UI_Handle ui_handle
= slv2_ui_instance_get_handle(_inst
);
98 if (ui_desc
->port_event
) {
99 //cout << "port_event " << port_index << ":" << val << endl;
100 ui_desc
->port_event(ui_handle
, port_index
, 4, 0, &val
);
102 _values
[port_index
] = val
;
106 LV2PluginUI::start_updating(GdkEventAny
* event
)
108 //cout << "start_updating" << endl;
110 if (!_output_ports
.empty()) {
111 _screen_update_connection
.disconnect();
112 _screen_update_connection
= ARDOUR_UI::instance()->RapidScreenUpdate
.connect
113 (mem_fun(*this, &LV2PluginUI::output_update
));
119 LV2PluginUI::stop_updating(GdkEventAny
* event
)
121 //cout << "stop_updating" << endl;
123 if (//!_external_ui_ptr &&
124 !_output_ports
.empty()) {
125 _screen_update_connection
.disconnect();
131 LV2PluginUI::output_update()
133 //cout << "output_update" << endl;
134 if (_external_ui_ptr
) {
135 LV2_EXTERNAL_UI_RUN(_external_ui_ptr
);
138 /* FIXME only works with control output ports (which is all we support now anyway) */
139 uint32_t nports
= _output_ports
.size();
140 for (uint32_t i
= 0; i
< nports
; ++i
) {
141 uint32_t index
= _output_ports
[i
];
142 parameter_changed(index
, _lv2
->get_parameter(index
));
147 LV2PluginUI::LV2PluginUI (boost::shared_ptr
<PluginInsert
> pi
, boost::shared_ptr
<LV2Plugin
> lv2p
)
152 , _external_ui_ptr(NULL
)
154 if (!_lv2
->is_external_ui()) {
155 lv2ui_instantiate("gtk2gui");
160 LV2PluginUI::lv2ui_instantiate(const Glib::ustring
& title
)
162 LV2_Feature
** features
;
163 LV2_Feature
** features_src
;
164 LV2_Feature
** features_dst
;
165 size_t features_count
;
168 is_external_ui
= _lv2
->is_external_ui();
170 if (is_external_ui
) {
171 _external_ui_host
.ui_closed
= LV2PluginUI::on_external_ui_closed
;
172 _external_ui_host
.plugin_human_id
= strdup(title
.c_str());
174 _external_ui_feature
.URI
= LV2_EXTERNAL_UI_URI
;
175 _external_ui_feature
.data
= &_external_ui_host
;
177 features_src
= features
= (LV2_Feature
**)_lv2
->features();
179 while (*features
++) {
183 features_dst
= features
= (LV2_Feature
**)malloc(sizeof(LV2_Feature
*) * features_count
);
184 features_dst
[--features_count
] = NULL
;
185 features_dst
[--features_count
] = &_external_ui_feature
;
186 while (features_count
--) {
187 *features
++ = *features_src
++;
190 features_dst
= (LV2_Feature
**)_lv2
->features();
193 _inst
= slv2_ui_instantiate(
194 _lv2
->slv2_plugin(), _lv2
->slv2_ui(), LV2PluginUI::lv2_ui_write
, this,
197 if (is_external_ui
) {
201 uint32_t num_ports
= slv2_plugin_get_num_ports(_lv2
->slv2_plugin());
202 for (uint32_t i
= 0; i
< num_ports
; ++i
) {
203 if (_lv2
->parameter_is_output(i
) && _lv2
->parameter_is_control(i
) && is_update_wanted(i
)) {
204 _output_ports
.push_back(i
);
208 _external_ui_ptr
= NULL
;
210 if (!is_external_ui
) {
211 GtkWidget
* c_widget
= (GtkWidget
*)slv2_ui_instance_get_widget(_inst
);
212 _gui_widget
= Glib::wrap(c_widget
);
213 _gui_widget
->show_all();
214 pack_start(*_gui_widget
, true, true);
216 _external_ui_ptr
= (struct lv2_external_ui
*)slv2_ui_instance_get_widget(_inst
);
217 g_external_uis
.push_back(_external_ui_ptr
);
221 _values
= new float[num_ports
];
222 for (uint32_t i
= 0; i
< num_ports
; ++i
) {
224 uint32_t port
= _lv2
->nth_parameter(i
, ok
);
226 _values
[port
] = _lv2
->get_parameter(port
);
227 if (_lv2
->parameter_is_control(port
) && _lv2
->parameter_is_input(port
)) {
228 parameter_update(port
, _values
[port
]);
233 _lv2
->ParameterChanged
.connect(mem_fun(*this, &LV2PluginUI::parameter_changed
));
236 LV2PluginUI::~LV2PluginUI ()
238 //cout << "LV2PluginUI destructor called" << endl;
243 // plugin destructor destroys the GTK GUI
247 LV2PluginUI::get_preferred_height ()
249 Gtk::Requisition r
= size_request();
254 LV2PluginUI::get_preferred_width ()
256 Gtk::Requisition r
= size_request();
261 LV2PluginUI::package (Gtk::Window
& win
)
263 //cout << "package" << endl;
264 if (_external_ui_ptr
) {
267 /* forward configure events to plugin window */
268 win
.signal_configure_event().connect (mem_fun (*this, &LV2PluginUI::configure_handler
));
269 win
.signal_map_event().connect (mem_fun (*this, &LV2PluginUI::start_updating
));
270 win
.signal_unmap_event().connect (mem_fun (*this, &LV2PluginUI::stop_updating
));
276 LV2PluginUI::configure_handler (GdkEventConfigure
* ev
)
278 cout
<< "CONFIGURE" << endl
;
283 LV2PluginUI::is_update_wanted(uint32_t index
)
285 /* FIXME this should check the port notification properties, which nobody sets now anyway :) */
290 LV2PluginUI::on_window_show(const Glib::ustring
& title
)
292 //cout << "on_window_show - " << title << endl; flush(cout);
294 if (_lv2
->is_external_ui()) {
295 if (_external_ui_ptr
) {
296 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr
);
299 lv2ui_instantiate(title
);
300 if (!_external_ui_ptr
) {
304 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr
);
305 _screen_update_connection
.disconnect();
306 _screen_update_connection
= ARDOUR_UI::instance()->RapidScreenUpdate
.connect
307 (mem_fun(*this, &LV2PluginUI::output_update
));
315 LV2PluginUI::on_window_hide()
317 //cout << "on_window_hide" << endl; flush(cout);
319 if (_external_ui_ptr
) {
320 LV2_EXTERNAL_UI_HIDE(_external_ui_ptr
);
321 //slv2_ui_instance_get_descriptor(_inst)->cleanup(_inst);
322 //_external_ui_ptr = NULL;
323 //_screen_update_connection.disconnect();