gtk2_ardour/generic_pluginui.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 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <climits>
  25 #include <cerrno>
  26 #include <cmath>
  27 #include <string>
  28
  29 #include "pbd/stl_delete.h"
  30 #include "pbd/xml++.h"
  31 #include "pbd/failed_constructor.h"
  32
  33 #include <gtkmm2ext/click_box.h>
  34 #include <gtkmm2ext/fastmeter.h>
  35 #include <gtkmm2ext/barcontroller.h>
  36 #include <gtkmm2ext/utils.h>
  37 #include <gtkmm2ext/doi.h>
  38 #include <gtkmm2ext/slider_controller.h>
  39
  40 #include "midi++/manager.h"
  41
  42 #include "ardour/plugin.h"
  43 #include "ardour/plugin_insert.h"
  44 #include "ardour/session.h"
  45
  46 #include <lrdf.h>
  47
  48 #include "ardour_ui.h"
  49 #include "prompter.h"
  50 #include "plugin_ui.h"
  51 #include "utils.h"
  52 #include "gui_thread.h"
  53 #include "automation_controller.h"
  54
  55 #include "i18n.h"
  56
  57 using namespace std;
  58 using namespace ARDOUR;
  59 using namespace PBD;
  60 using namespace Gtkmm2ext;
  61 using namespace Gtk;
  62
  63 GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrollable)
  64         : PlugUIBase (pi),
  65           button_table (initial_button_rows, initial_button_cols),
  66           output_table (initial_output_rows, initial_output_cols),
  67           hAdjustment(0.0, 0.0, 0.0),
  68           vAdjustment(0.0, 0.0, 0.0),
  69           scroller_view(hAdjustment, vAdjustment),
  70           automation_menu (0),
  71           is_scrollable(scrollable)
  72 {
  73         set_name ("PluginEditor");
  74         set_border_width (10);
  75         //set_homogeneous (false);
  76
  77         pack_start (main_contents, false, false);
  78         settings_box.set_homogeneous (false);
  79
  80         HBox* constraint_hbox = manage (new HBox);
  81         HBox* smaller_hbox = manage (new HBox);
  82         smaller_hbox->set_spacing (4);
  83         Label* combo_label = manage (new Label (_("<span size=\"large\">Presets</span>")));
  84         combo_label->set_use_markup (true);
  85
  86         latency_button.add (latency_label);
  87         latency_button.signal_clicked().connect (sigc::mem_fun (*this, &PlugUIBase::latency_button_clicked));
  88         set_latency_label ();
  89
  90         smaller_hbox->pack_start (latency_button, false, false, 10);
  91         smaller_hbox->pack_start (_preset_box, false, false);
  92         smaller_hbox->pack_start (add_button, false, false);
  93         smaller_hbox->pack_start (save_button, false, false);
  94         smaller_hbox->pack_start (delete_button, false, false);
  95         smaller_hbox->pack_start (bypass_button, false, true);
  96
  97         constraint_hbox->set_spacing (5);
  98         constraint_hbox->set_homogeneous (false);
  99
 100         VBox* v1_box = manage (new VBox);
 101         VBox* v2_box = manage (new VBox);
 102         pack_end (plugin_analysis_expander, true, true);
 103
 104         v1_box->pack_start (*smaller_hbox, false, true);
 105         v2_box->pack_start (focus_button, false, true);
 106
 107         main_contents.pack_start (settings_box, false, false);
 108
 109         constraint_hbox->pack_end (*v2_box, false, false);
 110         constraint_hbox->pack_end (*v1_box, false, false);
 111
 112         main_contents.pack_start (*constraint_hbox, false, false);
 113
 114         if ( is_scrollable ) {
 115                 scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 116                 scroller.set_name ("PluginEditor");
 117                 scroller_view.set_name("PluginEditor");
 118                 scroller_view.add (hpacker);
 119                 scroller.add (scroller_view);
 120
 121                 main_contents.pack_start (scroller, true, true);
 122
 123         }
 124         else {
 125                 main_contents.pack_start (hpacker, false, false);
 126         }
 127
 128         pi->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&GenericPluginUI::processor_active_changed, this, boost::weak_ptr<Processor>(pi)), gui_context());
 129
 130         bypass_button.set_active (!pi->active());
 131
 132         build ();
 133 }
 134
 135 GenericPluginUI::~GenericPluginUI ()
 136 {
 137         if (output_controls.size() > 0) {
 138                 screen_update_connection.disconnect();
 139         }
 140 }
 141
 142 void
 143 GenericPluginUI::build ()
 144 {
 145         guint32 i = 0;
 146         guint32 x = 0;
 147         Frame* frame;
 148         Frame* bt_frame;
 149         VBox* box;
 150         int output_row, output_col;
 151         int button_row, button_col;
 152         int output_rows, output_cols;
 153         int button_rows, button_cols;
 154
 155         prefheight = 30;
 156         hpacker.set_spacing (10);
 157
 158         output_rows = initial_output_rows;
 159         output_cols = initial_output_cols;
 160         button_rows = initial_button_rows;
 161         button_cols = initial_button_cols;
 162         output_row = 0;
 163         button_row = 0;
 164         output_col = 0;
 165         button_col = 0;
 166
 167         button_table.set_homogeneous (false);
 168         button_table.set_row_spacings (2);
 169         button_table.set_col_spacings (2);
 170         output_table.set_homogeneous (true);
 171         output_table.set_row_spacings (2);
 172         output_table.set_col_spacings (2);
 173         button_table.set_border_width (5);
 174         output_table.set_border_width (5);
 175
 176         hpacker.set_border_width (10);
 177
 178         bt_frame = manage (new Frame);
 179         bt_frame->set_name ("BaseFrame");
 180         bt_frame->add (button_table);
 181         hpacker.pack_start(*bt_frame, true, true);
 182
 183         box = manage (new VBox);
 184         box->set_border_width (5);
 185         box->set_spacing (1);
 186
 187         frame = manage (new Frame);
 188         frame->set_name ("BaseFrame");
 189         frame->set_label (_("Controls"));
 190         frame->add (*box);
 191         hpacker.pack_start(*frame, true, true);
 192
 193         /* find all ports. build control elements for all appropriate control ports */
 194
 195         for (i = 0; i < plugin->parameter_count(); ++i) {
 196
 197                 if (plugin->parameter_is_control (i)) {
 198
 199                         /* Don't show latency control ports */
 200
 201                         if (plugin->describe_parameter (Evoral::Parameter(PluginAutomation, 0, i)) == X_("latency")) {
 202                                 continue;
 203                         }
 204
 205                         ControlUI* cui;
 206
 207                         /* if we are scrollable, just use one long column */
 208
 209                         if (!is_scrollable) {
 210                                 if (x++ > 20){
 211                                         frame = manage (new Frame);
 212                                         frame->set_name ("BaseFrame");
 213                                         box = manage (new VBox);
 214
 215                                         box->set_border_width (5);
 216                                         box->set_spacing (1);
 217
 218                                         frame->add (*box);
 219                                         hpacker.pack_start(*frame,true,true);
 220
 221                                         x = 1;
 222                                 }
 223                         }
 224
 225                         boost::shared_ptr<ARDOUR::AutomationControl> c
 226                                 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 227                                         insert->control(Evoral::Parameter(PluginAutomation, 0, i)));
 228
 229                         if ((cui = build_control_ui (i, c)) == 0) {
 230                                 error << string_compose(_("Plugin Editor: could not build control element for port %1"), i) << endmsg;
 231                                 continue;
 232                         }
 233
 234                         if (cui->controller || cui->clickbox || cui->combo) {
 235
 236                                 box->pack_start (*cui, false, false);
 237
 238                         } else if (cui->button) {
 239
 240                                 if (button_row == button_rows) {
 241                                         button_row = 0;
 242                                         if (++button_col == button_cols) {
 243                                                 button_cols += 2;
 244                                                 button_table.resize (button_rows, button_cols);
 245                                         }
 246                                 }
 247
 248                                 button_table.attach (*cui, button_col, button_col + 1, button_row, button_row+1,
 249                                                      FILL|EXPAND, FILL);
 250                                 button_row++;
 251
 252                         } else if (cui->display) {
 253
 254                                 output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1,
 255                                                      FILL|EXPAND, FILL);
 256
 257                                 // TODO: The meters should be divided into multiple rows
 258
 259                                 if (++output_col == output_cols) {
 260                                         output_cols ++;
 261                                         output_table.resize (output_rows, output_cols);
 262                                 }
 263
 264                                 /* old code, which divides meters into
 265                                  * columns first, rows later. New code divides into one row
 266
 267                                 if (output_row == output_rows) {
 268                                         output_row = 0;
 269                                         if (++output_col == output_cols) {
 270                                                 output_cols += 2;
 271                                                 output_table.resize (output_rows, output_cols);
 272                                         }
 273                                 }
 274
 275                                 output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1,
 276                                                      FILL|EXPAND, FILL);
 277
 278                                 output_row++;
 279                                 */
 280                         }
 281
 282                         /* HACK: ideally the preferred height would be queried from
 283                            the complete hpacker, but I can't seem to get that
 284                            information in time, so this is an estimation
 285                         */
 286
 287                         prefheight += 30;
 288
 289                 }
 290         }
 291
 292         if (box->children().empty()) {
 293                 hpacker.remove (*frame);
 294         }
 295
 296         if (button_table.children().empty()) {
 297                 hpacker.remove (*bt_frame);
 298         }
 299
 300         if (!output_table.children().empty()) {
 301                 frame = manage (new Frame);
 302                 frame->set_name ("BaseFrame");
 303                 frame->add (output_table);
 304                 hpacker.pack_end (*frame, true, true);
 305         }
 306
 307         output_update ();
 308
 309         output_table.show_all ();
 310         button_table.show_all ();
 311 }
 312
 313 GenericPluginUI::ControlUI::ControlUI ()
 314         : automate_button (X_("")) // force creation of a label
 315 {
 316         automate_button.set_name ("PluginAutomateButton");
 317         ARDOUR_UI::instance()->set_tip (automate_button, _("Automation control"));
 318
 319         /* XXX translators: use a string here that will be at least as long
 320            as the longest automation label (see ::automation_state_changed()
 321            below). be sure to include a descender.
 322         */
 323
 324         set_size_request_to_display_given_text (automate_button, _("Mgnual"), 15, 10);
 325
 326         ignore_change = 0;
 327         display = 0;
 328         button = 0;
 329         clickbox = 0;
 330         meterinfo = 0;
 331 }
 332
 333 GenericPluginUI::ControlUI::~ControlUI()
 334 {
 335         if (meterinfo) {
 336                 delete meterinfo->meter;
 337                 delete meterinfo;
 338         }
 339 }
 340
 341 void
 342 GenericPluginUI::automation_state_changed (ControlUI* cui)
 343 {
 344         /* update button label */
 345
 346         // don't lock to avoid deadlock because we're triggered by
 347         // AutomationControl::Changed() while the automation lock is taken
 348         switch (insert->get_parameter_automation_state (cui->parameter())
 349                         & (Off|Play|Touch|Write)) {
 350         case Off:
 351                 cui->automate_button.set_label (_("Manual"));
 352                 break;
 353         case Play:
 354                 cui->automate_button.set_label (_("Play"));
 355                 break;
 356         case Write:
 357                 cui->automate_button.set_label (_("Write"));
 358                 break;
 359         case Touch:
 360                 cui->automate_button.set_label (_("Touch"));
 361                 break;
 362         default:
 363                 cui->automate_button.set_label (_("???"));
 364                 break;
 365         }
 366 }
 367
 368
 369 static void integer_printer (char buf[32], Adjustment &adj, void */*arg*/)
 370 {
 371         snprintf (buf, 32, "%.0f", adj.get_value());
 372 }
 373
 374 void
 375 GenericPluginUI::print_parameter (char *buf, uint32_t len, uint32_t param)
 376 {
 377         plugin->print_parameter (param, buf, len);
 378 }
 379
 380 GenericPluginUI::ControlUI*
 381 GenericPluginUI::build_control_ui (guint32 port_index, boost::shared_ptr<AutomationControl> mcontrol)
 382 {
 383         ControlUI* control_ui = 0;
 384
 385         Plugin::ParameterDescriptor desc;
 386
 387         plugin->get_parameter_descriptor (port_index, desc);
 388
 389         control_ui = manage (new ControlUI ());
 390         control_ui->combo = 0;
 391         control_ui->combo_map = 0;
 392         control_ui->control = mcontrol;
 393         control_ui->update_pending = false;
 394         control_ui->label.set_text (desc.label);
 395         control_ui->label.set_alignment (0.0, 0.5);
 396         control_ui->label.set_name ("PluginParameterLabel");
 397         control_ui->port_index = port_index;
 398
 399         control_ui->set_spacing (5);
 400
 401         Gtk::Requisition req (control_ui->automate_button.size_request());
 402
 403         if (plugin->parameter_is_input(port_index)) {
 404
 405                 /* Build a combo box */
 406
 407                 boost::shared_ptr<ARDOUR::Plugin::ScalePoints> points
 408                         = plugin->get_scale_points(port_index);
 409
 410                 if (points) {
 411                         std::vector<std::string> labels;
 412                         for (ARDOUR::Plugin::ScalePoints::const_iterator i = points->begin();
 413                              i != points->end(); ++i) {
 414                                 labels.push_back(i->first);
 415                         }
 416
 417                         control_ui->combo = new Gtk::ComboBoxText();
 418                         set_popdown_strings(*control_ui->combo, labels);
 419                         control_ui->combo->signal_changed().connect(
 420                                 sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_combo_changed),
 421                                             control_ui));
 422                         mcontrol->Changed.connect(control_connections, invalidator(*this),
 423                                                   boost::bind(&GenericPluginUI::ui_parameter_changed,
 424                                                               this, control_ui),
 425                                                   gui_context());
 426                         control_ui->pack_start(control_ui->label, true, true);
 427                         control_ui->pack_start(*control_ui->combo, false, true);
 428
 429                         update_control_display(control_ui);
 430
 431                         return control_ui;
 432                 }
 433
 434                 if (desc.toggled) {
 435
 436                         /* Build a button */
 437
 438                         control_ui->button = manage (new ToggleButton ());
 439                         control_ui->button->set_name ("PluginEditorButton");
 440                         control_ui->button->set_size_request (20, 20);
 441
 442                         control_ui->pack_start (control_ui->label, true, true);
 443                         control_ui->pack_start (*control_ui->button, false, true);
 444                         control_ui->pack_start (control_ui->automate_button, false, false);
 445
 446                         control_ui->button->signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_port_toggled), control_ui));
 447                         control_ui->automate_button.signal_clicked().connect (bind (mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui, (uint32_t) port_index));
 448
 449                         mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::toggle_parameter_changed, this, control_ui), gui_context());
 450                         mcontrol->alist()->automation_state_changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui), gui_context());
 451
 452                         if (plugin->get_parameter (port_index) > 0.5){
 453                                 control_ui->button->set_active(true);
 454                         }
 455
 456                         automation_state_changed (control_ui);
 457
 458                         return control_ui;
 459                 }
 460
 461                 /* create the controller */
 462
 463                 if (mcontrol) {
 464                         control_ui->controller = AutomationController::create(insert, mcontrol->parameter(), mcontrol);
 465                 }
 466
 467                 /* XXX this code is not right yet, because it doesn't handle
 468                    the absence of bounds in any sensible fashion.
 469                 */
 470
 471                 Adjustment* adj = control_ui->controller->adjustment();
 472                 boost::shared_ptr<PluginInsert::PluginControl> pc = boost::dynamic_pointer_cast<PluginInsert::PluginControl> (control_ui->control);
 473
 474                 adj->set_lower (pc->user_to_ui (desc.lower));
 475                 adj->set_upper (pc->user_to_ui (desc.upper));
 476
 477                 adj->set_step_increment (desc.step);
 478                 adj->set_page_increment (desc.largestep);
 479
 480                 if (desc.integer_step) {
 481                         control_ui->clickbox = new ClickBox (adj, "PluginUIClickBox");
 482                         Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2);
 483                         control_ui->clickbox->set_print_func (integer_printer, 0);
 484                 } else {
 485                         //sigc::slot<void,char*,uint32_t> pslot = sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::print_parameter), (uint32_t) port_index);
 486
 487                         control_ui->controller->set_size_request (200, req.height);
 488                         control_ui->controller->set_name (X_("PluginSlider"));
 489                         control_ui->controller->set_style (BarController::LeftToRight);
 490                         control_ui->controller->set_use_parent (true);
 491                         control_ui->controller->set_logarithmic (desc.logarithmic);
 492
 493                         control_ui->controller->StartGesture.connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::start_touch), control_ui));
 494                         control_ui->controller->StopGesture.connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::stop_touch), control_ui));
 495
 496                 }
 497
 498                 adj->set_value (pc->plugin_to_ui (plugin->get_parameter (port_index)));
 499
 500                 /* XXX memory leak: SliderController not destroyed by ControlUI
 501                    destructor, and manage() reports object hierarchy
 502                    ambiguity.
 503                 */
 504
 505                 control_ui->pack_start (control_ui->label, true, true);
 506                 if (desc.integer_step) {
 507                         control_ui->pack_start (*control_ui->clickbox, false, false);
 508                 } else {
 509                         control_ui->pack_start (*control_ui->controller, false, false);
 510                 }
 511
 512                 control_ui->pack_start (control_ui->automate_button, false, false);
 513                 control_ui->automate_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui, (uint32_t) port_index));
 514
 515                 automation_state_changed (control_ui);
 516
 517                 mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::ui_parameter_changed, this, control_ui), gui_context());
 518                 mcontrol->alist()->automation_state_changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui), gui_context());
 519
 520                 input_controls.push_back (control_ui);
 521
 522         } else if (plugin->parameter_is_output (port_index)) {
 523
 524                 control_ui->display = manage (new EventBox);
 525                 control_ui->display->set_name ("ParameterValueDisplay");
 526
 527                 control_ui->display_label = manage (new Label);
 528
 529                 control_ui->display_label->set_name ("ParameterValueDisplay");
 530
 531                 control_ui->display->add (*control_ui->display_label);
 532                 Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->display, "-99,99", 2, 2);
 533
 534                 control_ui->display->show_all ();
 535
 536                 /* set up a meter */
 537                 /* TODO: only make a meter if the port is Hinted for it */
 538
 539                 MeterInfo * info = new MeterInfo(port_index);
 540                 control_ui->meterinfo = info;
 541
 542                 info->meter = new FastMeter (5, 5, FastMeter::Vertical);
 543
 544                 info->min_unbound = desc.min_unbound;
 545                 info->max_unbound = desc.max_unbound;
 546
 547                 info->min = desc.lower;
 548                 info->max = desc.upper;
 549
 550                 control_ui->vbox = manage (new VBox);
 551                 control_ui->hbox = manage (new HBox);
 552
 553                 control_ui->label.set_angle(90);
 554                 control_ui->hbox->pack_start (control_ui->label, false, false);
 555                 control_ui->hbox->pack_start (*info->meter, false, false);
 556
 557                 control_ui->vbox->pack_start (*control_ui->hbox, false, false);
 558
 559                 control_ui->vbox->pack_start (*control_ui->display, false, false);
 560
 561                 control_ui->pack_start (*control_ui->vbox);
 562
 563                 control_ui->meterinfo->meter->show_all();
 564                 control_ui->meterinfo->packed = true;
 565
 566                 output_controls.push_back (control_ui);
 567         }
 568
 569         if (mcontrol) {
 570                 mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::ui_parameter_changed, this, control_ui), gui_context());
 571         }
 572
 573         return control_ui;
 574 }
 575
 576 void
 577 GenericPluginUI::start_touch (GenericPluginUI::ControlUI* cui)
 578 {
 579         cui->control->start_touch (cui->control->session().transport_frame());
 580 }
 581
 582 void
 583 GenericPluginUI::stop_touch (GenericPluginUI::ControlUI* cui)
 584 {
 585         cui->control->stop_touch (false, cui->control->session().transport_frame());
 586 }
 587
 588 void
 589 GenericPluginUI::astate_clicked (ControlUI* cui, uint32_t /*port*/)
 590 {
 591         using namespace Menu_Helpers;
 592
 593         if (automation_menu == 0) {
 594                 automation_menu = manage (new Menu);
 595                 automation_menu->set_name ("ArdourContextMenu");
 596         }
 597
 598         MenuList& items (automation_menu->items());
 599
 600         items.clear ();
 601         items.push_back (MenuElem (_("Manual"),
 602                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Off, cui)));
 603         items.push_back (MenuElem (_("Play"),
 604                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Play, cui)));
 605         items.push_back (MenuElem (_("Write"),
 606                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Write, cui)));
 607         items.push_back (MenuElem (_("Touch"),
 608                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Touch, cui)));
 609
 610         automation_menu->popup (1, gtk_get_current_event_time());
 611 }
 612
 613 void
 614 GenericPluginUI::set_automation_state (AutoState state, ControlUI* cui)
 615 {
 616         insert->set_parameter_automation_state (cui->parameter(), state);
 617 }
 618
 619 void
 620 GenericPluginUI::toggle_parameter_changed (ControlUI* cui)
 621 {
 622         float val = cui->control->get_value();
 623
 624         if (!cui->ignore_change) {
 625                 if (val > 0.5) {
 626                         cui->button->set_active (true);
 627                 } else {
 628                         cui->button->set_active (false);
 629                 }
 630         }
 631 }
 632
 633 void
 634 GenericPluginUI::ui_parameter_changed (ControlUI* cui)
 635 {
 636         if (!cui->update_pending) {
 637                 cui->update_pending = true;
 638                 Gtkmm2ext::UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&GenericPluginUI::update_control_display, this, cui));
 639         }
 640 }
 641
 642 void
 643 GenericPluginUI::update_control_display (ControlUI* cui)
 644 {
 645         /* XXX how do we handle logarithmic stuff here ? */
 646
 647         cui->update_pending = false;
 648
 649         float val = cui->control->get_value();
 650
 651         cui->ignore_change++;
 652
 653         if (cui->combo) {
 654                 std::map<string,float>::iterator it;
 655                 for (it = cui->combo_map->begin(); it != cui->combo_map->end(); ++it) {
 656                         if (it->second == val) {
 657                                 cui->combo->set_active_text(it->first);
 658                                 break;
 659                         }
 660                 }
 661         } else if (cui->button) {
 662
 663                 if (val > 0.5) {
 664                         cui->button->set_active (true);
 665                 } else {
 666                         cui->button->set_active (false);
 667                 }
 668         }
 669
 670         if( cui->controller ) {
 671             cui->controller->display_effective_value();
 672         }
 673
 674
 675         /*} else {
 676                 if (cui->logarithmic) {
 677                         val = log(val);
 678                 }
 679                 if (val != cui->adjustment->get_value()) {
 680                         cui->adjustment->set_value (val);
 681                 }
 682         }*/
 683         cui->ignore_change--;
 684 }
 685
 686 void
 687 GenericPluginUI::control_port_toggled (ControlUI* cui)
 688 {
 689         cui->ignore_change++;
 690         insert->automation_control (cui->parameter())->set_value (cui->button->get_active());
 691         cui->ignore_change--;
 692 }
 693
 694 void
 695 GenericPluginUI::control_combo_changed (ControlUI* cui)
 696 {
 697         if (!cui->ignore_change) {
 698                 string value = cui->combo->get_active_text();
 699                 std::map<string,float> mapping = *cui->combo_map;
 700                 insert->automation_control(cui->parameter())->set_value(mapping[value]);
 701         }
 702 }
 703
 704 void
 705 GenericPluginUI::processor_active_changed (boost::weak_ptr<Processor> weak_processor)
 706 {
 707         ENSURE_GUI_THREAD (*this, &GenericPluginUI::processor_active_changed, weak_processor)
 708
 709         boost::shared_ptr<Processor> processor = weak_processor.lock();
 710
 711         bypass_button.set_active (!processor || !processor->active());
 712 }
 713
 714 bool
 715 GenericPluginUI::start_updating (GdkEventAny*)
 716 {
 717         if (output_controls.size() > 0 ) {
 718                 screen_update_connection.disconnect();
 719                 screen_update_connection = ARDOUR_UI::instance()->RapidScreenUpdate.connect
 720                         (sigc::mem_fun(*this, &GenericPluginUI::output_update));
 721         }
 722         return false;
 723 }
 724
 725 bool
 726 GenericPluginUI::stop_updating (GdkEventAny*)
 727 {
 728         for (vector<ControlUI*>::iterator i = input_controls.begin(); i != input_controls.end(); ++i) {
 729                 (*i)->controller->stop_updating ();
 730         }
 731
 732         if (output_controls.size() > 0 ) {
 733                 screen_update_connection.disconnect();
 734         }
 735
 736         return false;
 737 }
 738
 739 void
 740 GenericPluginUI::output_update ()
 741 {
 742         for (vector<ControlUI*>::iterator i = output_controls.begin(); i != output_controls.end(); ++i) {
 743                 float val = plugin->get_parameter ((*i)->port_index);
 744                 char buf[32];
 745                 snprintf (buf, sizeof(buf), "%.2f", val);
 746                 (*i)->display_label->set_text (buf);
 747
 748                 /* autoscaling for the meter */
 749                 if ((*i)->meterinfo && (*i)->meterinfo->packed) {
 750
 751                         if (val < (*i)->meterinfo->min) {
 752                                 if ((*i)->meterinfo->min_unbound)
 753                                         (*i)->meterinfo->min = val;
 754                                 else
 755                                         val = (*i)->meterinfo->min;
 756                         }
 757
 758                         if (val > (*i)->meterinfo->max) {
 759                                 if ((*i)->meterinfo->max_unbound)
 760                                         (*i)->meterinfo->max = val;
 761                                 else
 762                                         val = (*i)->meterinfo->max;
 763                         }
 764
 765                         if ((*i)->meterinfo->max > (*i)->meterinfo->min ) {
 766                                 float lval = (val - (*i)->meterinfo->min) / ((*i)->meterinfo->max - (*i)->meterinfo->min) ;
 767                                 (*i)->meterinfo->meter->set (lval );
 768                         }
 769                 }
 770         }
 771 }
 772
 773