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 #include <vector>
  29
  30 #include "pbd/stl_delete.h"
  31 #include "pbd/xml++.h"
  32 #include "pbd/failed_constructor.h"
  33
  34 #include <gtkmm2ext/click_box.h>
  35 #include <gtkmm2ext/fastmeter.h>
  36 #include <gtkmm2ext/barcontroller.h>
  37 #include <gtkmm2ext/utils.h>
  38 #include <gtkmm2ext/doi.h>
  39 #include <gtkmm2ext/slider_controller.h>
  40
  41 #include "ardour/plugin.h"
  42 #include "ardour/plugin_insert.h"
  43 #include "ardour/session.h"
  44 #include "ardour/value_as_string.h"
  45
  46 #include "ardour_ui.h"
  47 #include "prompter.h"
  48 #include "plugin_ui.h"
  49 #include "gui_thread.h"
  50 #include "automation_controller.h"
  51 #include "timers.h"
  52
  53 #include "i18n.h"
  54
  55 using namespace std;
  56 using namespace ARDOUR;
  57 using namespace PBD;
  58 using namespace Gtkmm2ext;
  59 using namespace Gtk;
  60
  61 GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrollable)
  62         : PlugUIBase (pi)
  63         , button_table (initial_button_rows, initial_button_cols)
  64         , output_table (initial_output_rows, initial_output_cols)
  65         , hAdjustment(0.0, 0.0, 0.0)
  66         , vAdjustment(0.0, 0.0, 0.0)
  67         , scroller_view(hAdjustment, vAdjustment)
  68         , automation_menu (0)
  69         , is_scrollable(scrollable)
  70 {
  71         set_name ("PluginEditor");
  72         set_border_width (10);
  73         //set_homogeneous (false);
  74
  75         pack_start (main_contents, true, true);
  76         settings_box.set_homogeneous (false);
  77
  78         HBox* constraint_hbox = manage (new HBox);
  79         HBox* smaller_hbox = manage (new HBox);
  80         HBox* automation_hbox = manage (new HBox);
  81         smaller_hbox->set_spacing (4);
  82         automation_hbox->set_spacing (6);
  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_combo, false, false);
  92         smaller_hbox->pack_start (_preset_modified, false, false);
  93         smaller_hbox->pack_start (add_button, false, false);
  94         smaller_hbox->pack_start (save_button, false, false);
  95         smaller_hbox->pack_start (delete_button, false, false);
  96         smaller_hbox->pack_start (bypass_button, false, true);
  97
  98         automation_manual_all_button.set_text(_("Manual"));
  99         automation_manual_all_button.set_name (X_("generic button"));
 100         automation_play_all_button.set_text(_("Play"));
 101         automation_play_all_button.set_name (X_("generic button"));
 102         automation_write_all_button.set_text(_("Write"));
 103         automation_write_all_button.set_name (X_("generic button"));
 104         automation_touch_all_button.set_text(_("Touch"));
 105         automation_touch_all_button.set_name (X_("generic button"));
 106
 107         Label* l = manage (new Label (_("All Automation")));
 108         l->set_alignment (1.0, 0.5);
 109         automation_hbox->pack_start (*l, true, true);
 110         automation_hbox->pack_start (automation_manual_all_button, false, false);
 111         automation_hbox->pack_start (automation_play_all_button, false, false);
 112         automation_hbox->pack_start (automation_write_all_button, false, false);
 113         automation_hbox->pack_start (automation_touch_all_button, false, false);
 114
 115         constraint_hbox->set_spacing (5);
 116         constraint_hbox->set_homogeneous (false);
 117
 118         VBox* v1_box = manage (new VBox);
 119         VBox* v2_box = manage (new VBox);
 120         pack_end (plugin_analysis_expander, false, false);
 121         if (!plugin->get_docs().empty()) {
 122                 pack_end (description_expander, false, false);
 123         }
 124
 125         v1_box->set_spacing (6);
 126         v1_box->pack_start (*smaller_hbox, false, true);
 127         v1_box->pack_start (*automation_hbox, false, true);
 128         v2_box->pack_start (focus_button, false, true);
 129
 130         main_contents.pack_start (settings_box, false, false);
 131
 132         constraint_hbox->pack_end (*v2_box, false, false);
 133         constraint_hbox->pack_end (*v1_box, false, false);
 134
 135         main_contents.pack_start (*constraint_hbox, false, false);
 136
 137         if (is_scrollable ) {
 138                 scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 139                 scroller.set_name ("PluginEditor");
 140                 scroller_view.set_name("PluginEditor");
 141                 scroller_view.add (hpacker);
 142                 scroller.add (scroller_view);
 143
 144                 main_contents.pack_start (scroller, true, true);
 145
 146         } else {
 147                 main_contents.pack_start (hpacker, false, false);
 148         }
 149
 150         pi->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&GenericPluginUI::processor_active_changed, this, boost::weak_ptr<Processor>(pi)), gui_context());
 151
 152         bypass_button.set_active (!pi->active());
 153
 154         prefheight = 0;
 155         build ();
 156 }
 157
 158 GenericPluginUI::~GenericPluginUI ()
 159 {
 160         if (output_controls.size() > 0) {
 161                 screen_update_connection.disconnect();
 162         }
 163 }
 164
 165 // Some functions for calculating the 'similarity' of two plugin
 166 // control labels.
 167
 168 static int get_number(string label) {
 169 static const char *digits = "0123456789";
 170 int value = -1;
 171
 172         std::size_t first_digit_pos = label.find_first_of(digits);
 173         if (first_digit_pos != string::npos) {
 174                 // found some digits: there's a number in there somewhere
 175                 stringstream s;
 176                 s << label.substr(first_digit_pos);
 177                 s >> value;
 178         }
 179         return value;
 180 }
 181
 182 static int match_or_digit(char c1, char c2) {
 183         return c1 == c2 || (isdigit(c1) && isdigit(c2));
 184 }
 185
 186 static std::size_t matching_chars_at_head(const string s1, const string s2) {
 187 std::size_t length, n = 0;
 188
 189         length = min(s1.length(), s2.length());
 190         while (n < length) {
 191                 if (!match_or_digit(s1[n], s2[n]))
 192                         break;
 193                 n++;
 194         }
 195         return n;
 196 }
 197
 198 static std::size_t matching_chars_at_tail(const string s1, const string s2) {
 199 std::size_t s1pos, s2pos, n = 0;
 200
 201         s1pos = s1.length();
 202         s2pos = s2.length();
 203         while (s1pos-- > 0 && s2pos-- > 0) {
 204                 if (!match_or_digit(s1[s1pos], s2[s2pos])       )
 205                         break;
 206                 n++;
 207         }
 208         return n;
 209 }
 210
 211 static const guint32 min_controls_per_column = 17, max_controls_per_column = 24;
 212 static const float default_similarity_threshold = 0.3;
 213
 214 void
 215 GenericPluginUI::build ()
 216 {
 217         guint32 i = 0;
 218         guint32 x = 0;
 219         Frame* frame;
 220         Frame* bt_frame;
 221         VBox* box;
 222         int output_row, output_col;
 223         int button_row, button_col;
 224         int output_rows, output_cols;
 225         int button_rows, button_cols;
 226
 227         hpacker.set_spacing (10);
 228
 229         output_rows = initial_output_rows;
 230         output_cols = initial_output_cols;
 231         button_rows = initial_button_rows;
 232         button_cols = initial_button_cols;
 233         output_row = 0;
 234         button_row = 0;
 235         output_col = 0;
 236         button_col = 0;
 237
 238         button_table.set_homogeneous (false);
 239         button_table.set_row_spacings (2);
 240         button_table.set_col_spacings (2);
 241         output_table.set_homogeneous (true);
 242         output_table.set_row_spacings (2);
 243         output_table.set_col_spacings (2);
 244         button_table.set_border_width (5);
 245         output_table.set_border_width (5);
 246
 247         hpacker.set_border_width (10);
 248
 249         bt_frame = manage (new Frame);
 250         bt_frame->set_name ("BaseFrame");
 251         bt_frame->set_label (_("Switches"));
 252         bt_frame->add (button_table);
 253         hpacker.pack_start(*bt_frame, true, true);
 254
 255         box = manage (new VBox);
 256         box->set_border_width (5);
 257         box->set_spacing (1);
 258
 259         frame = manage (new Frame);
 260         frame->set_name ("BaseFrame");
 261         frame->set_label (_("Controls"));
 262         frame->add (*box);
 263         hpacker.pack_start(*frame, true, true);
 264
 265         std::vector<ControlUI *> control_uis;
 266
 267         // Build a ControlUI for each control port
 268         for (i = 0; i < plugin->parameter_count(); ++i) {
 269
 270                 if (plugin->parameter_is_control (i)) {
 271
 272                         /* Don't show latency control ports */
 273
 274                         const Evoral::Parameter param(PluginAutomation, 0, i);
 275                         if (plugin->describe_parameter (param) == X_("latency")) {
 276                                 continue;
 277                         }
 278
 279                         if (plugin->describe_parameter (param) == X_("hidden")) {
 280                                 continue;
 281                         }
 282
 283                         const float value = plugin->get_parameter(i);
 284
 285                         ControlUI* cui;
 286
 287                         boost::shared_ptr<ARDOUR::AutomationControl> c
 288                                 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 289                                         insert->control(param));
 290
 291                         ParameterDescriptor desc;
 292                         plugin->get_parameter_descriptor(i, desc);
 293                         if ((cui = build_control_ui (param, desc, c, value, plugin->parameter_is_input(i))) == 0) {
 294                                 error << string_compose(_("Plugin Editor: could not build control element for port %1"), i) << endmsg;
 295                                 continue;
 296                         }
 297
 298                         const std::string param_docs = plugin->get_parameter_docs(i);
 299                         if (!param_docs.empty()) {
 300                                 ARDOUR_UI::instance()->set_tip(cui, param_docs.c_str());
 301                         }
 302
 303                         control_uis.push_back(cui);
 304                         input_controls_with_automation.push_back (cui);
 305                 }
 306         }
 307
 308         // Build a ControlUI for each property
 309         const Plugin::PropertyDescriptors& descs = plugin->get_supported_properties();
 310         for (Plugin::PropertyDescriptors::const_iterator d = descs.begin(); d != descs.end(); ++d) {
 311                 const ParameterDescriptor& desc = d->second;
 312                 const Evoral::Parameter    param(PluginPropertyAutomation, 0, desc.key);
 313
 314                 boost::shared_ptr<ARDOUR::AutomationControl> c
 315                         = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 316                                 insert->control(param));
 317
 318                 if (!c) {
 319                         error << string_compose(_("Plugin Editor: no control for property %1"), desc.key) << endmsg;
 320                         continue;
 321                 }
 322
 323                 ControlUI* cui = build_control_ui(param, desc, c, c->get_value(), true);
 324                 if (!cui) {
 325                         error << string_compose(_("Plugin Editor: could not build control element for property %1"),
 326                                                 desc.key) << endmsg;
 327                         continue;
 328                 }
 329
 330                 control_uis.push_back(cui);
 331         }
 332         if (!descs.empty()) {
 333                 plugin->announce_property_values();
 334         }
 335
 336         // Add special controls to UI, and build list of normal controls to be layed out later
 337         std::vector<ControlUI *> cui_controls_list;
 338         for (i = 0; i < control_uis.size(); ++i) {
 339                 ControlUI* cui = control_uis[i];
 340
 341                 if (cui->controller || cui->clickbox || cui->combo) {
 342                         // Get all of the controls into a list, so that
 343                         // we can lay them out a bit more nicely later.
 344                         cui_controls_list.push_back(cui);
 345                 } else if (cui->button || cui->file_button) {
 346
 347                         if (!is_scrollable && button_row == button_rows) {
 348                                 button_row = 0;
 349                                 if (++button_col == button_cols) {
 350                                         button_cols += 2;
 351                                         button_table.resize (button_rows, button_cols);
 352                                 }
 353                         }
 354
 355                         button_table.attach (*cui, button_col, button_col + 1, button_row, button_row+1,
 356                                              FILL|EXPAND, FILL);
 357                         button_row++;
 358
 359                 } else if (cui->display) {
 360
 361                         output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1,
 362                                              FILL|EXPAND, FILL);
 363
 364                         // TODO: The meters should be divided into multiple rows
 365
 366                         if (++output_col == output_cols) {
 367                                 output_cols ++;
 368                                 output_table.resize (output_rows, output_cols);
 369                         }
 370                 }
 371         }
 372
 373         // Iterate over the list of controls to find which adjacent controls
 374         // are similar enough to be grouped together.
 375
 376         string label, previous_label = "";
 377         std::vector<int> numbers_in_labels(cui_controls_list.size());
 378
 379         std::vector<float> similarity_scores(cui_controls_list.size());
 380         float most_similar = 0.0, least_similar = 1.0;
 381
 382         i = 0;
 383         for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
 384                 label = (*cuip)->label.get_text();
 385                 numbers_in_labels[i] = get_number(label);
 386
 387                 if (i > 0) {
 388                         // A hand-wavy calculation of how similar this control's
 389                         // label is to the previous.
 390                         similarity_scores[i] =
 391                                 (float) (
 392                                         ( matching_chars_at_head(label, previous_label) +
 393                                           matching_chars_at_tail(label, previous_label) +
 394                                           1
 395                                         )
 396                                 ) / (label.length() + previous_label.length());
 397                         if (numbers_in_labels[i] >= 0) {
 398                                 similarity_scores[i] += (numbers_in_labels[i] == numbers_in_labels[i-1]);
 399                         }
 400                         least_similar = min(least_similar, similarity_scores[i]);
 401                         most_similar  = max(most_similar, similarity_scores[i]);
 402                 } else {
 403                         similarity_scores[0] = 1.0;
 404                 }
 405
 406                 // cerr << "label: " << label << " sim: " << fixed << setprecision(3) << similarity_scores[i] << " num: " << numbers_in_labels[i] << endl;
 407                 previous_label = label;
 408         }
 409
 410
 411         // cerr << "most similar: " << most_similar << ", least similar: " << least_similar << endl;
 412         float similarity_threshold;
 413
 414         if (most_similar > 1.0) {
 415                 similarity_threshold = default_similarity_threshold;
 416         } else {
 417                 similarity_threshold = most_similar - (1 - default_similarity_threshold);
 418         }
 419
 420         // Now iterate over the list of controls to display them, placing an
 421         // HSeparator between controls of less than a certain similarity, and
 422         // starting a new column when necessary.
 423
 424         i = 0;
 425         for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
 426
 427                 ControlUI* cui = *cuip;
 428
 429                 if (!is_scrollable) {
 430                         x++;
 431                 }
 432
 433                 if (x > max_controls_per_column || similarity_scores[i] <= similarity_threshold) {
 434                         if (x > min_controls_per_column) {
 435                                 frame = manage (new Frame);
 436                                 frame->set_name ("BaseFrame");
 437                                 frame->set_label (_("Controls"));
 438                                 box = manage (new VBox);
 439                                 box->set_border_width (5);
 440                                 box->set_spacing (1);
 441                                 frame->add (*box);
 442                                 hpacker.pack_start(*frame, true, true);
 443                                 x = 0;
 444                         } else {
 445                                 HSeparator *split = new HSeparator();
 446                                 split->set_size_request(-1, 5);
 447                                 box->pack_start(*split, false, false, 0);
 448                         }
 449
 450                 }
 451                 box->pack_start (*cui, false, false);
 452         }
 453
 454         if (is_scrollable) {
 455                 prefheight = 30 * i;
 456         }
 457
 458         if (box->children().empty()) {
 459                 hpacker.remove (*frame);
 460         }
 461
 462         if (button_table.children().empty()) {
 463                 hpacker.remove (*bt_frame);
 464         }
 465
 466         if (!output_table.children().empty()) {
 467                 frame = manage (new Frame);
 468                 frame->set_name ("BaseFrame");
 469                 frame->set_label(_("Meters"));
 470                 frame->add (output_table);
 471                 hpacker.pack_end (*frame, true, true);
 472         }
 473
 474         output_update ();
 475
 476         output_table.show_all ();
 477         button_table.show_all ();
 478
 479         automation_manual_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Off));
 480         automation_play_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Play));
 481         automation_write_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Write));
 482         automation_touch_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Touch));
 483 }
 484
 485 GenericPluginUI::ControlUI::ControlUI (const Evoral::Parameter& p)
 486         : param(p)
 487         , automate_button (X_("")) // force creation of a label
 488         , file_button(NULL)
 489 {
 490         automate_button.set_name ("PluginAutomateButton");
 491         ARDOUR_UI::instance()->set_tip (automate_button, _("Automation control"));
 492
 493         /* XXX translators: use a string here that will be at least as long
 494            as the longest automation label (see ::automation_state_changed()
 495            below). be sure to include a descender.
 496         */
 497
 498         set_size_request_to_display_given_text (automate_button, _("Mgnual"), 15, 10);
 499
 500         ignore_change = 0;
 501         display = 0;
 502         button = 0;
 503         clickbox = 0;
 504         meterinfo = 0;
 505 }
 506
 507 GenericPluginUI::ControlUI::~ControlUI()
 508 {
 509         if (meterinfo) {
 510                 delete meterinfo->meter;
 511                 delete meterinfo;
 512         }
 513 }
 514
 515 void
 516 GenericPluginUI::automation_state_changed (ControlUI* cui)
 517 {
 518         /* update button label */
 519
 520         // don't lock to avoid deadlock because we're triggered by
 521         // AutomationControl::Changed() while the automation lock is taken
 522         switch (insert->get_parameter_automation_state (cui->parameter()) & (ARDOUR::Off|Play|Touch|Write)) {
 523         case ARDOUR::Off:
 524                 cui->automate_button.set_label (S_("Automation|Manual"));
 525                 break;
 526         case Play:
 527                 cui->automate_button.set_label (_("Play"));
 528                 break;
 529         case Write:
 530                 cui->automate_button.set_label (_("Write"));
 531                 break;
 532         case Touch:
 533                 cui->automate_button.set_label (_("Touch"));
 534                 break;
 535         default:
 536                 cui->automate_button.set_label (_("???"));
 537                 break;
 538         }
 539 }
 540
 541 bool
 542 GenericPluginUI::integer_printer (char buf[32], Adjustment &adj, ControlUI* cui)
 543 {
 544         float const        v   = cui->control->interface_to_internal(adj.get_value ());
 545         const std::string& str = ARDOUR::value_as_string(cui->control->desc(), Variant(v));
 546         const size_t       len = str.copy(buf, 31);
 547         buf[len] = '\0';
 548         return true;
 549 }
 550
 551 bool
 552 GenericPluginUI::midinote_printer (char buf[32], Adjustment &adj, ControlUI* cui)
 553 {
 554         float const        v   = cui->control->interface_to_internal(adj.get_value ());
 555         const std::string& str = ARDOUR::value_as_string(cui->control->desc(), Variant(v));
 556         const size_t       len = str.copy(buf, 31);
 557         buf[len] = '\0';
 558         return true;
 559 }
 560
 561 void
 562 GenericPluginUI::print_parameter (char *buf, uint32_t len, uint32_t param)
 563 {
 564         plugin->print_parameter (param, buf, len);
 565 }
 566
 567 /** Build a ControlUI for a parameter/property.
 568  * Note that mcontrol may be NULL for outputs.
 569  */
 570 GenericPluginUI::ControlUI*
 571 GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
 572                                    const ParameterDescriptor&           desc,
 573                                    boost::shared_ptr<AutomationControl> mcontrol,
 574                                    float                                value,
 575                                    bool                                 is_input)
 576 {
 577         ControlUI* control_ui = 0;
 578
 579         control_ui = manage (new ControlUI (param));
 580         control_ui->combo = 0;
 581         control_ui->control = mcontrol;
 582         control_ui->update_pending = false;
 583         control_ui->label.set_text (desc.label);
 584         control_ui->label.set_alignment (0.0, 0.5);
 585         control_ui->label.set_name ("PluginParameterLabel");
 586
 587         control_ui->set_spacing (5);
 588
 589         Gtk::Requisition req (control_ui->automate_button.size_request());
 590
 591         if (is_input) {
 592
 593                 /* See if there any named values for our input value */
 594                 control_ui->scale_points = desc.scale_points;
 595
 596                 /* If this parameter is an integer, work out the number of distinct values
 597                    it can take on (assuming that lower and upper values are allowed).
 598                 */
 599                 int const steps = desc.integer_step ? (desc.upper - desc.lower + 1) / desc.step : 0;
 600
 601                 if (control_ui->scale_points && ((steps && int (control_ui->scale_points->size()) == steps) || desc.enumeration)) {
 602
 603                         /* Either:
 604                          *   a) There is a label for each possible value of this input, or
 605                          *   b) This port is marked as being an enumeration.
 606                          */
 607
 608                         std::vector<std::string> labels;
 609                         for (
 610                                 ARDOUR::ScalePoints::const_iterator i = control_ui->scale_points->begin();
 611                                 i != control_ui->scale_points->end();
 612                                 ++i) {
 613
 614                                 labels.push_back(i->first);
 615                         }
 616
 617                         control_ui->combo = new Gtk::ComboBoxText();
 618                         set_popdown_strings(*control_ui->combo, labels);
 619                         control_ui->combo->signal_changed().connect(
 620                                 sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_combo_changed),
 621                                             control_ui));
 622                         mcontrol->Changed.connect(control_connections, invalidator(*this),
 623                                                   boost::bind(&GenericPluginUI::ui_parameter_changed,
 624                                                               this, control_ui),
 625                                                   gui_context());
 626                         control_ui->pack_start(control_ui->label, true, true);
 627                         control_ui->pack_start(*control_ui->combo, false, true);
 628
 629                         update_control_display(control_ui);
 630
 631                         return control_ui;
 632                 }
 633
 634                 if (desc.toggled) {
 635
 636                         /* Build a button */
 637
 638                         control_ui->button = manage (new ToggleButton ());
 639                         control_ui->button->set_name ("PluginEditorButton");
 640                         control_ui->button->set_size_request (20, 20);
 641
 642                         control_ui->pack_start (control_ui->label, true, true);
 643                         control_ui->pack_start (*control_ui->button, false, true);
 644                         control_ui->pack_start (control_ui->automate_button, false, false);
 645
 646                         control_ui->button->signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_port_toggled), control_ui));
 647                         control_ui->automate_button.signal_clicked().connect (bind (mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui));
 648
 649                         mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::toggle_parameter_changed, this, control_ui), gui_context());
 650                         mcontrol->alist()->automation_state_changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui), gui_context());
 651
 652                         if (value > 0.5){
 653                                 control_ui->button->set_active(true);
 654                         }
 655
 656                         automation_state_changed (control_ui);
 657
 658                         return control_ui;
 659                 }
 660
 661                 if (desc.datatype == Variant::PATH) {
 662
 663                         /* Build a file selector button */
 664
 665                         // Create/add controller
 666                         control_ui->file_button = manage(new Gtk::FileChooserButton(Gtk::FILE_CHOOSER_ACTION_OPEN));
 667                         control_ui->file_button->set_title(desc.label);
 668
 669                         control_ui->pack_start (control_ui->label, true, true);
 670                         control_ui->pack_start (*control_ui->file_button, true, true);
 671
 672                         // Connect signals (TODO: do this via the Control)
 673                         control_ui->file_button->signal_file_set().connect(
 674                                 sigc::bind(sigc::mem_fun(*this, &GenericPluginUI::set_property),
 675                                            desc, control_ui->file_button));
 676                         plugin->PropertyChanged.connect(*this, invalidator(*this),
 677                                                         boost::bind(&GenericPluginUI::property_changed, this, _1, _2),
 678                                                         gui_context());
 679
 680                         _property_controls.insert(std::make_pair(desc.key, control_ui->file_button));
 681                         control_ui->file_button = control_ui->file_button;
 682
 683                         return control_ui;
 684                 }
 685
 686                 /* create the controller */
 687
 688                 if (mcontrol) {
 689                         control_ui->controller = AutomationController::create(insert, mcontrol->parameter(), desc, mcontrol);
 690                 }
 691
 692                 /* XXX this code is not right yet, because it doesn't handle
 693                    the absence of bounds in any sensible fashion.
 694                 */
 695
 696                 Adjustment* adj = control_ui->controller->adjustment();
 697
 698                 if (desc.integer_step) {
 699                         control_ui->clickbox = new ClickBox (adj, "PluginUIClickBox", desc.enumeration);
 700                         Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2);
 701                         if (desc.unit == ParameterDescriptor::MIDI_NOTE) {
 702                                 control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::midinote_printer), control_ui));
 703                         } else {
 704                                 control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::integer_printer), control_ui));
 705                         }
 706                 } else {
 707                         //sigc::slot<void,char*,uint32_t> pslot = sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::print_parameter), (uint32_t) port_index);
 708
 709                         control_ui->controller->set_size_request (200, req.height);
 710                         control_ui->controller->set_name (X_("ProcessorControlSlider"));
 711
 712                 }
 713
 714                 adj->set_value (mcontrol->internal_to_interface(value));
 715
 716                 /* XXX memory leak: SliderController not destroyed by ControlUI
 717                    destructor, and manage() reports object hierarchy
 718                    ambiguity.
 719                 */
 720
 721                 control_ui->pack_start (control_ui->label, true, true);
 722                 if (desc.integer_step) {
 723                         control_ui->pack_start (*control_ui->clickbox, false, false);
 724                 } else {
 725                         control_ui->pack_start (*control_ui->controller, false, false);
 726                 }
 727
 728                 control_ui->pack_start (control_ui->automate_button, false, false);
 729                 control_ui->automate_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui));
 730
 731                 automation_state_changed (control_ui);
 732
 733                 mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::ui_parameter_changed, this, control_ui), gui_context());
 734                 mcontrol->alist()->automation_state_changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui), gui_context());
 735
 736                 input_controls.push_back (control_ui);
 737                 input_controls_with_automation.push_back (control_ui);
 738
 739         } else if (!is_input) {
 740
 741                 control_ui->display = manage (new EventBox);
 742                 control_ui->display->set_name ("ParameterValueDisplay");
 743
 744                 control_ui->display_label = manage (new Label);
 745
 746                 control_ui->display_label->set_name ("ParameterValueDisplay");
 747
 748                 control_ui->display->add (*control_ui->display_label);
 749                 Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->display, "-888.8g", 2, 6);
 750
 751                 control_ui->display->show_all ();
 752
 753                 /* set up a meter */
 754                 /* TODO: only make a meter if the port is Hinted for it */
 755
 756                 MeterInfo * info = new MeterInfo();
 757                 control_ui->meterinfo = info;
 758
 759                 info->meter = new FastMeter (
 760                                 5, 5, FastMeter::Vertical, 0,
 761                                 0x0000aaff,
 762                                 0x008800ff, 0x008800ff,
 763                                 0x00ff00ff, 0x00ff00ff,
 764                                 0xcccc00ff, 0xcccc00ff,
 765                                 0xffaa00ff, 0xffaa00ff,
 766                                 0xff0000ff,
 767                                 ARDOUR_UI::config()->color ("meter background bottom"),
 768                                 ARDOUR_UI::config()->color ("meter background top")
 769                                 );
 770
 771                 info->min_unbound = desc.min_unbound;
 772                 info->max_unbound = desc.max_unbound;
 773
 774                 info->min = desc.lower;
 775                 info->max = desc.upper;
 776
 777                 control_ui->vbox = manage (new VBox);
 778                 control_ui->hbox = manage (new HBox);
 779
 780                 control_ui->hbox->set_spacing(1);
 781                 control_ui->vbox->set_spacing(3);
 782
 783                 control_ui->label.set_angle(90);
 784                 control_ui->hbox->pack_start (control_ui->label, false, false);
 785                 control_ui->hbox->pack_start (*info->meter, false, false);
 786
 787                 control_ui->vbox->pack_start (*control_ui->hbox, false, false);
 788
 789                 control_ui->vbox->pack_start (*control_ui->display, false, false);
 790
 791                 control_ui->pack_start (*control_ui->vbox);
 792
 793                 control_ui->meterinfo->meter->show_all();
 794                 control_ui->meterinfo->packed = true;
 795
 796                 output_controls.push_back (control_ui);
 797         }
 798
 799         if (mcontrol) {
 800                 mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::ui_parameter_changed, this, control_ui), gui_context());
 801         }
 802
 803         return control_ui;
 804 }
 805
 806 void
 807 GenericPluginUI::astate_clicked (ControlUI* cui)
 808 {
 809         using namespace Menu_Helpers;
 810
 811         if (automation_menu == 0) {
 812                 automation_menu = manage (new Menu);
 813                 automation_menu->set_name ("ArdourContextMenu");
 814         }
 815
 816         MenuList& items (automation_menu->items());
 817
 818         items.clear ();
 819         items.push_back (MenuElem (S_("Automation|Manual"),
 820                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) ARDOUR::Off, cui)));
 821         items.push_back (MenuElem (_("Play"),
 822                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Play, cui)));
 823         items.push_back (MenuElem (_("Write"),
 824                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Write, cui)));
 825         items.push_back (MenuElem (_("Touch"),
 826                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Touch, cui)));
 827
 828         automation_menu->popup (1, gtk_get_current_event_time());
 829 }
 830
 831 void
 832 GenericPluginUI::set_all_automation (AutoState as)
 833 {
 834         for (vector<ControlUI*>::iterator i = input_controls_with_automation.begin(); i != input_controls_with_automation.end(); ++i) {
 835                 if ((*i)->controller || (*i)->button) {
 836                         set_automation_state (as, (*i));
 837                 }
 838         }
 839 }
 840
 841 void
 842 GenericPluginUI::set_automation_state (AutoState state, ControlUI* cui)
 843 {
 844         insert->set_parameter_automation_state (cui->parameter(), state);
 845 }
 846
 847 void
 848 GenericPluginUI::toggle_parameter_changed (ControlUI* cui)
 849 {
 850         float val = cui->control->get_value();
 851
 852         if (!cui->ignore_change) {
 853                 if (val > 0.5) {
 854                         cui->button->set_active (true);
 855                         cui->button->set_name ("PluginEditorButton-active");
 856                 } else {
 857                         cui->button->set_active (false);
 858                         cui->button->set_name ("PluginEditorButton");
 859                 }
 860         }
 861 }
 862
 863 void
 864 GenericPluginUI::ui_parameter_changed (ControlUI* cui)
 865 {
 866         if (!cui->update_pending) {
 867                 cui->update_pending = true;
 868                 Gtkmm2ext::UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&GenericPluginUI::update_control_display, this, cui));
 869         }
 870 }
 871
 872 void
 873 GenericPluginUI::update_control_display (ControlUI* cui)
 874 {
 875         /* XXX how do we handle logarithmic stuff here ? */
 876
 877         cui->update_pending = false;
 878
 879         float val = cui->control->get_value();
 880
 881         cui->ignore_change++;
 882
 883         if (cui->combo && cui->scale_points) {
 884                 for (ARDOUR::ScalePoints::iterator it = cui->scale_points->begin(); it != cui->scale_points->end(); ++it) {
 885                         if (it->second == val) {
 886                                 cui->combo->set_active_text(it->first);
 887                                 break;
 888                         }
 889                 }
 890         } else if (cui->button) {
 891
 892                 if (val > 0.5) {
 893                         cui->button->set_active (true);
 894                 } else {
 895                         cui->button->set_active (false);
 896                 }
 897         }
 898
 899         if( cui->controller ) {
 900             cui->controller->display_effective_value();
 901         }
 902
 903
 904         /*} else {
 905                 if (cui->logarithmic) {
 906                         val = log(val);
 907                 }
 908                 if (val != cui->adjustment->get_value()) {
 909                         cui->adjustment->set_value (val);
 910                 }
 911         }*/
 912         cui->ignore_change--;
 913 }
 914
 915 void
 916 GenericPluginUI::control_port_toggled (ControlUI* cui)
 917 {
 918         cui->ignore_change++;
 919         const bool active = cui->button->get_active();
 920         if (active) {
 921                 cui->button->set_name ("PluginEditorButton-active");
 922         } else {
 923                 cui->button->set_name ("PluginEditorButton");
 924         }
 925         insert->automation_control (cui->parameter())->set_value (active);
 926         cui->ignore_change--;
 927 }
 928
 929 void
 930 GenericPluginUI::control_combo_changed (ControlUI* cui)
 931 {
 932         if (!cui->ignore_change && cui->scale_points) {
 933                 string value = cui->combo->get_active_text();
 934                 insert->automation_control (cui->parameter())->set_value ((*cui->scale_points)[value]);
 935         }
 936 }
 937
 938 bool
 939 GenericPluginUI::start_updating (GdkEventAny*)
 940 {
 941         if (output_controls.size() > 0 ) {
 942                 screen_update_connection.disconnect();
 943                 screen_update_connection = Timers::super_rapid_connect (sigc::mem_fun(*this, &GenericPluginUI::output_update));
 944         }
 945         return false;
 946 }
 947
 948 bool
 949 GenericPluginUI::stop_updating (GdkEventAny*)
 950 {
 951         for (vector<ControlUI*>::iterator i = input_controls.begin(); i != input_controls.end(); ++i) {
 952                 (*i)->controller->stop_updating ();
 953         }
 954
 955         if (output_controls.size() > 0 ) {
 956                 screen_update_connection.disconnect();
 957         }
 958
 959         return false;
 960 }
 961
 962 void
 963 GenericPluginUI::output_update ()
 964 {
 965         for (vector<ControlUI*>::iterator i = output_controls.begin(); i != output_controls.end(); ++i) {
 966                 float val = plugin->get_parameter ((*i)->parameter().id());
 967                 char buf[32];
 968                 snprintf (buf, sizeof(buf), "%.2f", val);
 969                 (*i)->display_label->set_text (buf);
 970
 971                 /* autoscaling for the meter */
 972                 if ((*i)->meterinfo && (*i)->meterinfo->packed) {
 973
 974                         if (val < (*i)->meterinfo->min) {
 975                                 if ((*i)->meterinfo->min_unbound)
 976                                         (*i)->meterinfo->min = val;
 977                                 else
 978                                         val = (*i)->meterinfo->min;
 979                         }
 980
 981                         if (val > (*i)->meterinfo->max) {
 982                                 if ((*i)->meterinfo->max_unbound)
 983                                         (*i)->meterinfo->max = val;
 984                                 else
 985                                         val = (*i)->meterinfo->max;
 986                         }
 987
 988                         if ((*i)->meterinfo->max > (*i)->meterinfo->min ) {
 989                                 float lval = (val - (*i)->meterinfo->min) / ((*i)->meterinfo->max - (*i)->meterinfo->min) ;
 990                                 (*i)->meterinfo->meter->set (lval );
 991                         }
 992                 }
 993         }
 994 }
 995
 996 void
 997 GenericPluginUI::set_property (const ParameterDescriptor& desc,
 998                                Gtk::FileChooserButton*    widget)
 999 {
1000         plugin->set_property(desc.key, Variant(Variant::PATH, widget->get_filename()));
1001 }
1002
1003 void
1004 GenericPluginUI::property_changed (uint32_t key, const Variant& value)
1005 {
1006         PropertyControls::iterator c = _property_controls.find(key);
1007         if (c != _property_controls.end()) {
1008                 c->second->set_filename(value.get_path());
1009         } else {
1010                 std::cerr << "warning: property change for property with no control" << std::endl;
1011         }
1012 }