gtk2_ardour/plugin_ui.cc

   1 /*
   2     Copyright (C) 2000 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <climits>
  21 #include <cerrno>
  22 #include <cmath>
  23 #include <string>
  24
  25 #include <pbd/stl_delete.h>
  26 #include <pbd/xml++.h>
  27 #include <pbd/failed_constructor.h>
  28
  29 #include <gtkmm/widget.h>
  30 #include <gtkmm2ext/click_box.h>
  31 #include <gtkmm2ext/fastmeter.h>
  32 #include <gtkmm2ext/barcontroller.h>
  33 #include <gtkmm2ext/utils.h>
  34 #include <gtkmm2ext/doi.h>
  35 #include <gtkmm2ext/slider_controller.h>
  36
  37 #include <midi++/manager.h>
  38
  39 #include <ardour/plugin.h>
  40 #include <ardour/insert.h>
  41 #include <ardour/ladspa_plugin.h>
  42 #ifdef VST_SUPPORT
  43 #include <ardour/vst_plugin.h>
  44 #endif
  45 #ifdef HAVE_LV2
  46 #include <ardour/lv2_plugin.h>
  47 #include "lv2_plugin_ui.h"
  48 #endif
  49
  50 #include <lrdf.h>
  51
  52 #include "ardour_ui.h"
  53 #include "prompter.h"
  54 #include "plugin_ui.h"
  55 #include "utils.h"
  56 #include "gui_thread.h"
  57 #include "public_editor.h"
  58 #include "keyboard.h"
  59
  60 #include "i18n.h"
  61
  62 using namespace std;
  63 using namespace ARDOUR;
  64 using namespace PBD;
  65 using namespace Gtkmm2ext;
  66 using namespace Gtk;
  67 using namespace sigc;
  68
  69 PluginUIWindow::PluginUIWindow (Gtk::Window* win, boost::shared_ptr<PluginInsert> insert, bool scrollable)
  70         : parent (win)
  71 {
  72         bool have_gui = false;
  73         non_gtk_gui = false;
  74         was_visible = false;
  75
  76         if (insert->plugin()->has_editor()) {
  77                 switch (insert->type()) {
  78                 case ARDOUR::VST:
  79                         have_gui = create_vst_editor (insert);
  80                         break;
  81
  82                 case ARDOUR::AudioUnit:
  83                         have_gui = create_audiounit_editor (insert);
  84                         break;
  85
  86                 case ARDOUR::LADSPA:
  87                         error << _("Eh? LADSPA plugins don't have editors!") << endmsg;
  88                         break;
  89
  90                 case ARDOUR::LV2:
  91                         have_gui = create_lv2_editor (insert);
  92                         break;
  93
  94                 default:
  95 #ifndef VST_SUPPORT
  96                         error << _("unknown type of editor-supplying plugin (note: no VST support in this version of ardour)")
  97                               << endmsg;
  98 #else
  99                         error << _("unknown type of editor-supplying plugin")
 100                               << endmsg;
 101 #endif
 102                         throw failed_constructor ();
 103                 }
 104
 105         }
 106
 107         if (!have_gui) {
 108
 109                 GenericPluginUI*  pu  = new GenericPluginUI (insert, scrollable);
 110
 111                 _pluginui = pu;
 112                 add (*pu);
 113
 114                 set_wmclass (X_("ardour_plugin_editor"), "Ardour");
 115
 116                 signal_map_event().connect (mem_fun (*pu, &GenericPluginUI::start_updating));
 117                 signal_unmap_event().connect (mem_fun (*pu, &GenericPluginUI::stop_updating));
 118         }
 119
 120         // set_position (Gtk::WIN_POS_MOUSE);
 121         set_name ("PluginEditor");
 122         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 123
 124         signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), reinterpret_cast<Window*> (this)), false);
 125         death_connection = insert->GoingAway.connect (mem_fun(*this, &PluginUIWindow::plugin_going_away));
 126
 127         gint h = _pluginui->get_preferred_height ();
 128         gint w = _pluginui->get_preferred_width ();
 129
 130         if (scrollable) {
 131                 if (h > 600) h = 600;
 132                 if (w > 600) w = 600;
 133
 134                 if (w < 0) {
 135                         w = 450;
 136                 }
 137         }
 138
 139         set_default_size (w, h);
 140 }
 141
 142 PluginUIWindow::~PluginUIWindow ()
 143 {
 144         delete _pluginui;
 145 }
 146
 147 void
 148 PluginUIWindow::set_parent (Gtk::Window* win)
 149 {
 150         parent = win;
 151 }
 152
 153 void
 154 PluginUIWindow::on_map ()
 155 {
 156         Window::on_map ();
 157         set_keep_above (true);
 158 }
 159
 160 bool
 161 PluginUIWindow::on_enter_notify_event (GdkEventCrossing *ev)
 162 {
 163         Keyboard::the_keyboard().enter_window (ev, this);
 164         return false;
 165 }
 166
 167 bool
 168 PluginUIWindow::on_leave_notify_event (GdkEventCrossing *ev)
 169 {
 170         Keyboard::the_keyboard().leave_window (ev, this);
 171         return false;
 172 }
 173
 174 bool
 175 PluginUIWindow::on_focus_in_event (GdkEventFocus *ev)
 176 {
 177         Window::on_focus_in_event (ev);
 178         //Keyboard::the_keyboard().magic_widget_grab_focus ();
 179         return false;
 180 }
 181
 182 bool
 183 PluginUIWindow::on_focus_out_event (GdkEventFocus *ev)
 184 {
 185         Window::on_focus_out_event (ev);
 186         //Keyboard::the_keyboard().magic_widget_drop_focus ();
 187         return false;
 188 }
 189
 190 void
 191 PluginUIWindow::on_show ()
 192 {
 193         if (_pluginui) {
 194                 _pluginui->update_presets ();
 195         }
 196
 197         Window::on_show ();
 198
 199         if (parent) {
 200                 // set_transient_for (*parent);
 201         }
 202 }
 203
 204 void
 205 PluginUIWindow::on_hide ()
 206 {
 207         Window::on_hide ();
 208 }
 209
 210 bool
 211 PluginUIWindow::create_vst_editor(boost::shared_ptr<PluginInsert> insert)
 212 {
 213 #ifndef VST_SUPPORT
 214         return false;
 215 #else
 216
 217         boost::shared_ptr<VSTPlugin> vp;
 218
 219         if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (insert->plugin())) == 0) {
 220                 error << _("unknown type of editor-supplying plugin (note: no VST support in this version of ardour)")
 221                               << endmsg;
 222                 throw failed_constructor ();
 223         } else {
 224                 VSTPluginUI* vpu = new VSTPluginUI (insert, vp);
 225
 226                 _pluginui = vpu;
 227                 add (*vpu);
 228                 vpu->package (*this);
 229         }
 230
 231         non_gtk_gui = true;
 232         return true;
 233 #endif
 234 }
 235
 236 bool
 237 PluginUIWindow::create_audiounit_editor (boost::shared_ptr<PluginInsert> insert)
 238 {
 239 #if !defined(HAVE_AUDIOUNITS) || !defined(GTKOSX)
 240         return false;
 241 #else
 242         VBox* box;
 243         _pluginui = create_au_gui (insert, &box);
 244         add (*box);
 245         non_gtk_gui = true;
 246
 247         extern sigc::signal<void,bool> ApplicationActivationChanged;
 248         ApplicationActivationChanged.connect (mem_fun (*this, &PluginUIWindow::app_activated));
 249
 250         return true;
 251 #endif
 252 }
 253
 254 void
 255 PluginUIWindow::app_activated (bool yn)
 256 {
 257 #if defined (HAVE_AUDIOUNITS) && defined(GTKOSX)
 258         cerr << "APP activated ? " << yn << endl;
 259         if (_pluginui) {
 260                 if (yn) {
 261                         if (was_visible) {
 262                                 _pluginui->activate ();
 263                                 present ();
 264                                 was_visible = true;
 265                         }
 266                 } else {
 267                         was_visible = is_visible();
 268                         hide ();
 269                         _pluginui->deactivate ();
 270                 }
 271         }
 272 #endif
 273 }
 274
 275 bool
 276 PluginUIWindow::create_lv2_editor(boost::shared_ptr<PluginInsert> insert)
 277 {
 278 #ifndef HAVE_LV2
 279         return false;
 280 #else
 281
 282         boost::shared_ptr<LV2Plugin> vp;
 283
 284         if ((vp = boost::dynamic_pointer_cast<LV2Plugin> (insert->plugin())) == 0) {
 285                 error << _("create_lv2_editor called on non-LV2 plugin") << endmsg;
 286                 throw failed_constructor ();
 287         } else {
 288                 LV2PluginUI* lpu = new LV2PluginUI (insert, vp);
 289                 _pluginui = lpu;
 290                 add (*lpu);
 291                 lpu->package (*this);
 292         }
 293
 294         non_gtk_gui = false;
 295         return true;
 296 #endif
 297 }
 298
 299 bool
 300 PluginUIWindow::on_key_press_event (GdkEventKey* event)
 301 {
 302         if (!key_press_focus_accelerator_handler (*this, event)) {
 303                 return PublicEditor::instance().on_key_press_event(event);
 304         } else {
 305                 return true;
 306         }
 307 }
 308
 309 bool
 310 PluginUIWindow::on_key_release_event (GdkEventKey* event)
 311 {
 312         return true;
 313 }
 314
 315 void
 316 PluginUIWindow::plugin_going_away ()
 317 {
 318         ENSURE_GUI_THREAD(mem_fun(*this, &PluginUIWindow::plugin_going_away));
 319
 320         if (_pluginui) {
 321                 _pluginui->stop_updating(0);
 322         }
 323
 324         death_connection.disconnect ();
 325         delete_when_idle (this);
 326 }
 327
 328 PlugUIBase::PlugUIBase (boost::shared_ptr<PluginInsert> pi)
 329         : insert (pi),
 330           plugin (insert->plugin()),
 331           save_button(_("Save")),
 332           bypass_button (_("Bypass"))
 333 {
 334         //preset_combo.set_use_arrows_always(true);
 335         preset_combo.set_size_request (100, -1);
 336         update_presets ();
 337
 338         preset_combo.signal_changed().connect(mem_fun(*this, &PlugUIBase::setting_selected));
 339         no_load_preset = false;
 340
 341         save_button.set_name ("PluginSaveButton");
 342         save_button.signal_clicked().connect(mem_fun(*this, &PlugUIBase::save_plugin_setting));
 343
 344         insert->active_changed.connect (mem_fun(*this, &PlugUIBase::redirect_active_changed));
 345         bypass_button.set_active (!pi->active());
 346
 347         bypass_button.set_name ("PluginBypassButton");
 348         bypass_button.signal_toggled().connect (mem_fun(*this, &PlugUIBase::bypass_toggled));
 349         focus_button.add_events (Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 350
 351         focus_button.signal_button_release_event().connect (mem_fun(*this, &PlugUIBase::focus_toggled));
 352         focus_button.add_events (Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 353
 354         /* these images are not managed, so that we can remove them at will */
 355
 356         focus_out_image = new Image (get_icon (X_("computer_keyboard")));
 357         focus_in_image = new Image (get_icon (X_("computer_keyboard_active")));
 358
 359         focus_button.add (*focus_out_image);
 360
 361         ARDOUR_UI::instance()->set_tip (&focus_button, _("Click to allow the plugin to receive keyboard events that Ardour would normally use as a shortcut"), "");
 362         ARDOUR_UI::instance()->set_tip (&bypass_button, _("Click to enable/disable this plugin"), "");
 363
 364         insert->GoingAway.connect (mem_fun (*this, &PlugUIBase::plugin_going_away));
 365 }
 366
 367 PlugUIBase::~PlugUIBase ()
 368 {
 369 }
 370
 371 void
 372 PlugUIBase::plugin_going_away ()
 373 {
 374         /* drop references to the plugin/insert */
 375         insert.reset ();
 376         plugin.reset ();
 377 }
 378
 379 void
 380 PlugUIBase::redirect_active_changed (Redirect* r, void* src)
 381 {
 382         ENSURE_GUI_THREAD(bind (mem_fun(*this, &PlugUIBase::redirect_active_changed), r, src));
 383         bypass_button.set_active (!r->active());
 384 }
 385
 386 void
 387 PlugUIBase::setting_selected()
 388 {
 389         if (no_load_preset) {
 390                 return;
 391         }
 392
 393         if (preset_combo.get_active_text().length() > 0) {
 394                 if (!plugin->load_preset(preset_combo.get_active_text())) {
 395                         warning << string_compose(_("Plugin preset %1 not found"), preset_combo.get_active_text()) << endmsg;
 396                 }
 397         }
 398 }
 399
 400 void
 401 PlugUIBase::save_plugin_setting ()
 402 {
 403         ArdourPrompter prompter (true);
 404         prompter.set_prompt(_("Name of New Preset:"));
 405         prompter.add_button (Gtk::Stock::ADD, Gtk::RESPONSE_ACCEPT);
 406         prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
 407         prompter.set_type_hint (Gdk::WINDOW_TYPE_HINT_UTILITY);
 408
 409         prompter.show_all();
 410         prompter.present ();
 411
 412         switch (prompter.run ()) {
 413         case Gtk::RESPONSE_ACCEPT:
 414
 415                 string name;
 416
 417                 prompter.get_result(name);
 418
 419                 if (name.length()) {
 420                         if (plugin->save_preset(name)) {
 421
 422                                 /* a rather inefficient way to add the newly saved preset
 423                                    to the list.
 424                                 */
 425
 426                                 set_popdown_strings (preset_combo, plugin->get_presets());
 427                                 no_load_preset = true;
 428                                 preset_combo.set_active_text (name);
 429                                 no_load_preset = false;
 430                         }
 431                 }
 432                 break;
 433         }
 434 }
 435
 436 void
 437 PlugUIBase::bypass_toggled ()
 438 {
 439         bool x;
 440
 441         if ((x = bypass_button.get_active()) == insert->active()) {
 442                 insert->set_active (!x, this);
 443         }
 444 }
 445
 446 bool
 447 PlugUIBase::focus_toggled (GdkEventButton* ev)
 448 {
 449         if (Keyboard::the_keyboard().some_magic_widget_has_focus()) {
 450                 Keyboard::the_keyboard().magic_widget_drop_focus();
 451                 focus_button.remove ();
 452                 focus_button.add (*focus_out_image);
 453                 focus_out_image->show ();
 454                 ARDOUR_UI::instance()->set_tip (&focus_button, _("Click to allow the plugin to receive keyboard events that Ardour would normally use as a shortcut"), "");
 455         } else {
 456                 Keyboard::the_keyboard().magic_widget_grab_focus();
 457                 focus_button.remove ();
 458                 focus_button.add (*focus_in_image);
 459                 focus_in_image->show ();
 460                 ARDOUR_UI::instance()->set_tip (&focus_button, _("Click to allow normal use of Ardour keyboard shortcuts"), "");
 461         }
 462
 463         return true;
 464 }
 465
 466 void
 467 PlugUIBase::update_presets ()
 468 {
 469         vector<string> presets = plugin->get_presets();
 470         set_popdown_strings (preset_combo, plugin->get_presets());
 471
 472         string current_preset = plugin->current_preset();
 473
 474         if (!current_preset.empty()) {
 475                 for (vector<string>::iterator p = presets.begin(); p != presets.end(); ++p) {
 476                         if (*p == current_preset) {
 477                                 preset_combo.set_active_text (current_preset);
 478                         }
 479                 }
 480         }
 481 }