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 if (*(float*)buffer
!= me
->_values
[port_index
]) {
43 //cout << "set_parameter " << port_index << ":" << *(float*)buffer << endl;
44 me
->_lv2
->set_parameter(port_index
, *(float*)buffer
);
48 void LV2PluginUI::on_external_ui_closed(LV2UI_Controller controller
)
50 LV2PluginUI
* me
= (LV2PluginUI
*)controller
;
51 me
->_screen_update_connection
.disconnect();
52 me
->_external_ui_ptr
= NULL
;
56 LV2PluginUI::parameter_changed (uint32_t port_index
, float val
)
58 PlugUIBase::parameter_changed (port_index
, val
);
60 if (val
!= _values
[port_index
]) {
61 parameter_update(port_index
, val
);
66 LV2PluginUI::parameter_update (uint32_t port_index
, float val
)
72 const LV2UI_Descriptor
* ui_desc
= slv2_ui_instance_get_descriptor(_inst
);
73 LV2UI_Handle ui_handle
= slv2_ui_instance_get_handle(_inst
);
74 if (ui_desc
->port_event
)
75 ui_desc
->port_event(ui_handle
, port_index
, 4, 0, &val
);
76 _values
[port_index
] = val
;
80 LV2PluginUI::start_updating(GdkEventAny
*)
82 if (!_output_ports
.empty()) {
83 _screen_update_connection
.disconnect();
84 _screen_update_connection
= ARDOUR_UI::instance()->RapidScreenUpdate
.connect
85 (sigc::mem_fun(*this, &LV2PluginUI::output_update
));
91 LV2PluginUI::stop_updating(GdkEventAny
*)
93 //cout << "stop_updating" << endl;
95 if (//!_external_ui_ptr &&
96 !_output_ports
.empty()) {
97 _screen_update_connection
.disconnect();
103 LV2PluginUI::output_update()
105 //cout << "output_update" << endl;
106 if (_external_ui_ptr
) {
107 LV2_EXTERNAL_UI_RUN(_external_ui_ptr
);
110 /* FIXME only works with control output ports (which is all we support now anyway) */
111 uint32_t nports
= _output_ports
.size();
112 for (uint32_t i
= 0; i
< nports
; ++i
) {
113 uint32_t index
= _output_ports
[i
];
114 parameter_changed(index
, _lv2
->get_parameter(index
));
119 LV2PluginUI::LV2PluginUI (boost::shared_ptr
<PluginInsert
> pi
, boost::shared_ptr
<LV2Plugin
> lv2p
)
124 , _external_ui_ptr(NULL
)
126 if (!_lv2
->is_external_ui()) {
127 lv2ui_instantiate("gtk2gui");
132 LV2PluginUI::lv2ui_instantiate(const std::string
& title
)
134 LV2_Feature
** features
;
135 LV2_Feature
** features_src
;
136 LV2_Feature
** features_dst
;
137 size_t features_count
;
140 is_external_ui
= _lv2
->is_external_ui();
142 if (is_external_ui
) {
143 _external_ui_host
.ui_closed
= LV2PluginUI::on_external_ui_closed
;
144 _external_ui_host
.plugin_human_id
= strdup(title
.c_str());
146 _external_ui_feature
.URI
= LV2_EXTERNAL_UI_URI
;
147 _external_ui_feature
.data
= &_external_ui_host
;
149 features_src
= features
= (LV2_Feature
**)_lv2
->features();
151 while (*features
++) {
155 features_dst
= features
= (LV2_Feature
**)malloc(sizeof(LV2_Feature
*) * features_count
);
156 features_dst
[--features_count
] = NULL
;
157 features_dst
[--features_count
] = &_external_ui_feature
;
158 while (features_count
--) {
159 *features
++ = *features_src
++;
162 features_dst
= (LV2_Feature
**)_lv2
->features();
165 _inst
= slv2_ui_instantiate(
166 _lv2
->slv2_plugin(), _lv2
->slv2_ui(), LV2PluginUI::lv2_ui_write
, this,
169 if (is_external_ui
) {
173 uint32_t num_ports
= slv2_plugin_get_num_ports(_lv2
->slv2_plugin());
174 for (uint32_t i
= 0; i
< num_ports
; ++i
) {
175 if (_lv2
->parameter_is_output(i
) && _lv2
->parameter_is_control(i
) && is_update_wanted(i
)) {
176 _output_ports
.push_back(i
);
180 _external_ui_ptr
= NULL
;
182 if (!is_external_ui
) {
183 GtkWidget
* c_widget
= (GtkWidget
*)slv2_ui_instance_get_widget(_inst
);
184 _gui_widget
= Glib::wrap(c_widget
);
185 _gui_widget
->show_all();
186 pack_start(*_gui_widget
, true, true);
188 _external_ui_ptr
= (struct lv2_external_ui
*)slv2_ui_instance_get_widget(_inst
);
192 _values
= new float[num_ports
];
193 for (uint32_t i
= 0; i
< num_ports
; ++i
) {
195 uint32_t port
= _lv2
->nth_parameter(i
, ok
);
197 _values
[port
] = _lv2
->get_parameter(port
);
198 if (_lv2
->parameter_is_control(port
) && _lv2
->parameter_is_input(port
)) {
199 parameter_update(port
, _values
[port
]);
205 LV2PluginUI::~LV2PluginUI ()
207 //cout << "LV2PluginUI destructor called" << endl;
212 // plugin destructor destroys the GTK GUI
215 const LV2UI_Descriptor
* ui_desc
= slv2_ui_instance_get_descriptor(_inst
);
216 LV2UI_Handle ui_handle
= slv2_ui_instance_get_handle(_inst
);
218 /*Call cleanup to tell the plugin to close its GUI and delete it*/
221 ui_desc
->cleanup(ui_handle
);
224 _screen_update_connection
.disconnect();
226 if (_lv2
->is_external_ui()) {
227 /*external UI is no longer valid - on_window_hide() will not try to use it if is NULL*/
228 _external_ui_ptr
= NULL
;
233 LV2PluginUI::get_preferred_height ()
235 Gtk::Requisition r
= size_request();
240 LV2PluginUI::get_preferred_width ()
242 Gtk::Requisition r
= size_request();
247 LV2PluginUI::package (Gtk::Window
& win
)
249 //cout << "package" << endl;
250 if (_external_ui_ptr
) {
253 /* forward configure events to plugin window */
254 win
.signal_configure_event().connect (sigc::mem_fun (*this, &LV2PluginUI::configure_handler
));
255 win
.signal_map_event().connect (sigc::mem_fun (*this, &LV2PluginUI::start_updating
));
256 win
.signal_unmap_event().connect (sigc::mem_fun (*this, &LV2PluginUI::stop_updating
));
262 LV2PluginUI::configure_handler (GdkEventConfigure
*)
264 std::cout
<< "CONFIGURE" << std::endl
;
269 LV2PluginUI::is_update_wanted(uint32_t /*index*/)
271 /* FIXME this should check the port notification properties, which nobody sets now anyway :) */
276 LV2PluginUI::on_window_show(const std::string
& title
)
278 //cout << "on_window_show - " << title << endl; flush(cout);
280 if (_lv2
->is_external_ui()) {
281 if (_external_ui_ptr
) {
282 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr
);
285 lv2ui_instantiate(title
);
286 if (!_external_ui_ptr
) {
290 LV2_EXTERNAL_UI_SHOW(_external_ui_ptr
);
291 _screen_update_connection
.disconnect();
292 _screen_update_connection
= ARDOUR_UI::instance()->RapidScreenUpdate
.connect
293 (sigc::mem_fun(*this, &LV2PluginUI::output_update
));
301 LV2PluginUI::on_window_hide()
303 //cout << "on_window_hide" << endl; flush(cout);
305 if (_external_ui_ptr
) {
306 LV2_EXTERNAL_UI_HIDE(_external_ui_ptr
);
307 //slv2_ui_instance_get_descriptor(_inst)->cleanup(_inst);
308 //_external_ui_ptr = NULL;
309 //_screen_update_connection.disconnect();