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 #include "ui_config.h"
  53
  54 #include "i18n.h"
  55
  56 using namespace std;
  57 using namespace ARDOUR;
  58 using namespace PBD;
  59 using namespace Gtkmm2ext;
  60 using namespace Gtk;
  61
  62 GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrollable)
  63         : PlugUIBase (pi)
  64         , button_table (initial_button_rows, initial_button_cols)
  65         , output_table (initial_output_rows, initial_output_cols)
  66         , hAdjustment(0.0, 0.0, 0.0)
  67         , vAdjustment(0.0, 0.0, 0.0)
  68         , scroller_view(hAdjustment, vAdjustment)
  69         , automation_menu (0)
  70         , is_scrollable(scrollable)
  71 {
  72         set_name ("PluginEditor");
  73         set_border_width (10);
  74         //set_homogeneous (false);
  75
  76         pack_start (main_contents, true, true);
  77         settings_box.set_homogeneous (false);
  78
  79         HBox* constraint_hbox = manage (new HBox);
  80         HBox* smaller_hbox = manage (new HBox);
  81         HBox* automation_hbox = manage (new HBox);
  82         smaller_hbox->set_spacing (4);
  83         automation_hbox->set_spacing (6);
  84         Label* combo_label = manage (new Label (_("<span size=\"large\">Presets</span>")));
  85         combo_label->set_use_markup (true);
  86
  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, 4);
  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 (reset_button, false, false, 4);
  97         smaller_hbox->pack_start (bypass_button, false, true, 4);
  98
  99         automation_manual_all_button.set_text(_("Manual"));
 100         automation_manual_all_button.set_name (X_("generic button"));
 101         automation_play_all_button.set_text(_("Play"));
 102         automation_play_all_button.set_name (X_("generic button"));
 103         automation_write_all_button.set_text(_("Write"));
 104         automation_write_all_button.set_name (X_("generic button"));
 105         automation_touch_all_button.set_text(_("Touch"));
 106         automation_touch_all_button.set_name (X_("generic button"));
 107
 108         Label* l = manage (new Label (_("All Automation")));
 109         l->set_alignment (1.0, 0.5);
 110         automation_hbox->pack_start (*l, true, true);
 111         automation_hbox->pack_start (automation_manual_all_button, false, false);
 112         automation_hbox->pack_start (automation_play_all_button, false, false);
 113         automation_hbox->pack_start (automation_write_all_button, false, false);
 114         automation_hbox->pack_start (automation_touch_all_button, false, false);
 115
 116         constraint_hbox->set_spacing (5);
 117         constraint_hbox->set_homogeneous (false);
 118
 119         VBox* v1_box = manage (new VBox);
 120         VBox* v2_box = manage (new VBox);
 121         pack_end (plugin_analysis_expander, false, false);
 122         if (!plugin->get_docs().empty()) {
 123                 pack_end (description_expander, false, false);
 124         }
 125
 126         v1_box->set_spacing (6);
 127         v1_box->pack_start (*smaller_hbox, false, true);
 128         v1_box->pack_start (*automation_hbox, false, true);
 129         v2_box->pack_start (focus_button, false, true);
 130
 131         main_contents.pack_start (settings_box, false, false);
 132
 133         constraint_hbox->pack_end (*v2_box, false, false);
 134         constraint_hbox->pack_end (*v1_box, false, false);
 135
 136         main_contents.pack_start (*constraint_hbox, false, false);
 137
 138         if (is_scrollable ) {
 139                 scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 140                 scroller.set_name ("PluginEditor");
 141                 scroller_view.set_name("PluginEditor");
 142                 scroller_view.add (hpacker);
 143                 scroller.add (scroller_view);
 144
 145                 main_contents.pack_start (scroller, true, true);
 146
 147         } else {
 148                 main_contents.pack_start (hpacker, false, false);
 149         }
 150
 151         pi->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&GenericPluginUI::processor_active_changed, this, boost::weak_ptr<Processor>(pi)), gui_context());
 152
 153         bypass_button.set_active (!pi->active());
 154
 155         prefheight = 0;
 156         build ();
 157 }
 158
 159 GenericPluginUI::~GenericPluginUI ()
 160 {
 161         if (output_controls.size() > 0) {
 162                 screen_update_connection.disconnect();
 163         }
 164 }
 165
 166 // Some functions for calculating the 'similarity' of two plugin
 167 // control labels.
 168
 169 static int get_number(string label) {
 170 static const char *digits = "0123456789";
 171 int value = -1;
 172
 173         std::size_t first_digit_pos = label.find_first_of(digits);
 174         if (first_digit_pos != string::npos) {
 175                 // found some digits: there's a number in there somewhere
 176                 stringstream s;
 177                 s << label.substr(first_digit_pos);
 178                 s >> value;
 179         }
 180         return value;
 181 }
 182
 183 static int match_or_digit(char c1, char c2) {
 184         return c1 == c2 || (isdigit(c1) && isdigit(c2));
 185 }
 186
 187 static std::size_t matching_chars_at_head(const string s1, const string s2) {
 188 std::size_t length, n = 0;
 189
 190         length = min(s1.length(), s2.length());
 191         while (n < length) {
 192                 if (!match_or_digit(s1[n], s2[n]))
 193                         break;
 194                 n++;
 195         }
 196         return n;
 197 }
 198
 199 static std::size_t matching_chars_at_tail(const string s1, const string s2) {
 200 std::size_t s1pos, s2pos, n = 0;
 201
 202         s1pos = s1.length();
 203         s2pos = s2.length();
 204         while (s1pos-- > 0 && s2pos-- > 0) {
 205                 if (!match_or_digit(s1[s1pos], s2[s2pos])       )
 206                         break;
 207                 n++;
 208         }
 209         return n;
 210 }
 211
 212 static const guint32 min_controls_per_column = 17, max_controls_per_column = 24;
 213 static const float default_similarity_threshold = 0.3;
 214
 215 void
 216 GenericPluginUI::build ()
 217 {
 218         guint32 i = 0;
 219         guint32 x = 0;
 220         Frame* frame;
 221         Frame* bt_frame;
 222         VBox* box;
 223         int output_row, output_col;
 224         int button_row, button_col;
 225         int output_rows, output_cols;
 226         int button_rows, button_cols;
 227
 228         hpacker.set_spacing (10);
 229
 230         output_rows = initial_output_rows;
 231         output_cols = initial_output_cols;
 232         button_rows = initial_button_rows;
 233         button_cols = initial_button_cols;
 234         output_row = 0;
 235         button_row = 0;
 236         output_col = 0;
 237         button_col = 0;
 238
 239         button_table.set_homogeneous (false);
 240         button_table.set_row_spacings (2);
 241         button_table.set_col_spacings (2);
 242         output_table.set_homogeneous (true);
 243         output_table.set_row_spacings (2);
 244         output_table.set_col_spacings (2);
 245         button_table.set_border_width (5);
 246         output_table.set_border_width (5);
 247
 248         hpacker.set_border_width (10);
 249
 250         bt_frame = manage (new Frame);
 251         bt_frame->set_name ("BaseFrame");
 252         bt_frame->set_label (_("Switches"));
 253         bt_frame->add (button_table);
 254         hpacker.pack_start(*bt_frame, true, true);
 255
 256         box = manage (new VBox);
 257         box->set_border_width (5);
 258         box->set_spacing (1);
 259
 260         frame = manage (new Frame);
 261         frame->set_name ("BaseFrame");
 262         frame->set_label (_("Controls"));
 263         frame->add (*box);
 264         hpacker.pack_start(*frame, true, true);
 265
 266         std::vector<ControlUI *> control_uis;
 267
 268         // Build a ControlUI for each control port
 269         for (i = 0; i < plugin->parameter_count(); ++i) {
 270
 271                 if (plugin->parameter_is_control (i)) {
 272
 273                         /* Don't show latency control ports */
 274
 275                         const Evoral::Parameter param(PluginAutomation, 0, i);
 276                         if (plugin->describe_parameter (param) == X_("latency")) {
 277                                 continue;
 278                         }
 279
 280                         if (plugin->describe_parameter (param) == X_("hidden")) {
 281                                 continue;
 282                         }
 283
 284                         const float value = plugin->get_parameter(i);
 285
 286                         ControlUI* cui;
 287
 288                         boost::shared_ptr<ARDOUR::AutomationControl> c
 289                                 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 290                                         insert->control(param));
 291
 292                         ParameterDescriptor desc;
 293                         plugin->get_parameter_descriptor(i, desc);
 294                         if ((cui = build_control_ui (param, desc, c, value, plugin->parameter_is_input(i))) == 0) {
 295                                 error << string_compose(_("Plugin Editor: could not build control element for port %1"), i) << endmsg;
 296                                 continue;
 297                         }
 298
 299                         const std::string param_docs = plugin->get_parameter_docs(i);
 300                         if (!param_docs.empty()) {
 301                                 ARDOUR_UI::instance()->set_tip(cui, param_docs.c_str());
 302                         }
 303
 304                         control_uis.push_back(cui);
 305                         input_controls_with_automation.push_back (cui);
 306                 }
 307         }
 308
 309         // Build a ControlUI for each property
 310         const Plugin::PropertyDescriptors& descs = plugin->get_supported_properties();
 311         for (Plugin::PropertyDescriptors::const_iterator d = descs.begin(); d != descs.end(); ++d) {
 312                 const ParameterDescriptor& desc = d->second;
 313                 const Evoral::Parameter    param(PluginPropertyAutomation, 0, desc.key);
 314
 315                 boost::shared_ptr<ARDOUR::AutomationControl> c
 316                         = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 317                                 insert->control(param));
 318
 319                 if (!c) {
 320                         error << string_compose(_("Plugin Editor: no control for property %1"), desc.key) << endmsg;
 321                         continue;
 322                 }
 323
 324                 ControlUI* cui = build_control_ui(param, desc, c, c->get_value(), true);
 325                 if (!cui) {
 326                         error << string_compose(_("Plugin Editor: could not build control element for property %1"),
 327                                                 desc.key) << endmsg;
 328                         continue;
 329                 }
 330
 331                 control_uis.push_back(cui);
 332         }
 333         if (!descs.empty()) {
 334                 plugin->announce_property_values();
 335         }
 336
 337         // Add special controls to UI, and build list of normal controls to be layed out later
 338         std::vector<ControlUI *> cui_controls_list;
 339         for (i = 0; i < control_uis.size(); ++i) {
 340                 ControlUI* cui = control_uis[i];
 341
 342                 if (cui->controller || cui->clickbox || cui->combo) {
 343                         // Get all of the controls into a list, so that
 344                         // we can lay them out a bit more nicely later.
 345                         cui_controls_list.push_back(cui);
 346                 } else if (cui->button || cui->file_button) {
 347
 348                         if (!is_scrollable && button_row == button_rows) {
 349                                 button_row = 0;
 350                                 if (++button_col == button_cols) {
 351                                         button_cols += 2;
 352                                         button_table.resize (button_rows, button_cols);
 353                                 }
 354                         }
 355
 356                         button_table.attach (*cui, button_col, button_col + 1, button_row, button_row+1,
 357                                              FILL|EXPAND, FILL);
 358                         button_row++;
 359
 360                 } else if (cui->display) {
 361
 362                         output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1,
 363                                              FILL|EXPAND, FILL);
 364
 365                         // TODO: The meters should be divided into multiple rows
 366
 367                         if (++output_col == output_cols) {
 368                                 output_cols ++;
 369                                 output_table.resize (output_rows, output_cols);
 370                         }
 371                 }
 372         }
 373
 374         // Iterate over the list of controls to find which adjacent controls
 375         // are similar enough to be grouped together.
 376
 377         string label, previous_label = "";
 378         std::vector<int> numbers_in_labels(cui_controls_list.size());
 379
 380         std::vector<float> similarity_scores(cui_controls_list.size());
 381         float most_similar = 0.0, least_similar = 1.0;
 382
 383         i = 0;
 384         for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
 385                 label = (*cuip)->label.get_text();
 386                 numbers_in_labels[i] = get_number(label);
 387
 388                 if (i > 0) {
 389                         // A hand-wavy calculation of how similar this control's
 390                         // label is to the previous.
 391                         similarity_scores[i] =
 392                                 (float) (
 393                                         ( matching_chars_at_head(label, previous_label) +
 394                                           matching_chars_at_tail(label, previous_label) +
 395                                           1
 396                                         )
 397                                 ) / (label.length() + previous_label.length());
 398                         if (numbers_in_labels[i] >= 0) {
 399                                 similarity_scores[i] += (numbers_in_labels[i] == numbers_in_labels[i-1]);
 400                         }
 401                         least_similar = min(least_similar, similarity_scores[i]);
 402                         most_similar  = max(most_similar, similarity_scores[i]);
 403                 } else {
 404                         similarity_scores[0] = 1.0;
 405                 }
 406
 407                 // cerr << "label: " << label << " sim: " << fixed << setprecision(3) << similarity_scores[i] << " num: " << numbers_in_labels[i] << endl;
 408                 previous_label = label;
 409         }
 410
 411
 412         // cerr << "most similar: " << most_similar << ", least similar: " << least_similar << endl;
 413         float similarity_threshold;
 414
 415         if (most_similar > 1.0) {
 416                 similarity_threshold = default_similarity_threshold;
 417         } else {
 418                 similarity_threshold = most_similar - (1 - default_similarity_threshold);
 419         }
 420
 421         // Now iterate over the list of controls to display them, placing an
 422         // HSeparator between controls of less than a certain similarity, and
 423         // starting a new column when necessary.
 424
 425         i = 0;
 426         for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
 427
 428                 ControlUI* cui = *cuip;
 429
 430                 if (!is_scrollable) {
 431                         x++;
 432                 }
 433
 434                 if (x > max_controls_per_column || similarity_scores[i] <= similarity_threshold) {
 435                         if (x > min_controls_per_column) {
 436                                 frame = manage (new Frame);
 437                                 frame->set_name ("BaseFrame");
 438                                 frame->set_label (_("Controls"));
 439                                 box = manage (new VBox);
 440                                 box->set_border_width (5);
 441                                 box->set_spacing (1);
 442                                 frame->add (*box);
 443                                 hpacker.pack_start(*frame, true, true);
 444                                 x = 0;
 445                         } else {
 446                                 HSeparator *split = new HSeparator();
 447                                 split->set_size_request(-1, 5);
 448                                 box->pack_start(*split, false, false, 0);
 449                         }
 450
 451                 }
 452                 box->pack_start (*cui, false, false);
 453         }
 454
 455         if (is_scrollable) {
 456                 prefheight = 30 * i;
 457         }
 458
 459         if (box->children().empty()) {
 460                 hpacker.remove (*frame);
 461         }
 462
 463         if (button_table.children().empty()) {
 464                 hpacker.remove (*bt_frame);
 465         }
 466
 467         if (!output_table.children().empty()) {
 468                 frame = manage (new Frame);
 469                 frame->set_name ("BaseFrame");
 470                 frame->set_label(_("Meters"));
 471                 frame->add (output_table);
 472                 hpacker.pack_end (*frame, true, true);
 473         }
 474
 475         output_update ();
 476
 477         output_table.show_all ();
 478         button_table.show_all ();
 479
 480         automation_manual_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Off));
 481         automation_play_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Play));
 482         automation_write_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Write));
 483         automation_touch_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Touch));
 484 }
 485
 486 GenericPluginUI::ControlUI::ControlUI (const Evoral::Parameter& p)
 487         : param(p)
 488         , automate_button (X_("")) // force creation of a label
 489         , file_button(NULL)
 490 {
 491         automate_button.set_name ("PluginAutomateButton");
 492         ARDOUR_UI::instance()->set_tip (automate_button, _("Automation control"));
 493
 494         /* XXX translators: use a string here that will be at least as long
 495            as the longest automation label (see ::automation_state_changed()
 496            below). be sure to include a descender.
 497         */
 498
 499         set_size_request_to_display_given_text (automate_button, _("Mgnual"), 15, 10);
 500
 501         ignore_change = 0;
 502         display = 0;
 503         button = 0;
 504         clickbox = 0;
 505         meterinfo = 0;
 506 }
 507
 508 GenericPluginUI::ControlUI::~ControlUI()
 509 {
 510         if (meterinfo) {
 511                 delete meterinfo->meter;
 512                 delete meterinfo;
 513         }
 514 }
 515
 516 void
 517 GenericPluginUI::automation_state_changed (ControlUI* cui)
 518 {
 519         /* update button label */
 520
 521         // don't lock to avoid deadlock because we're triggered by
 522         // AutomationControl::Changed() while the automation lock is taken
 523         switch (insert->get_parameter_automation_state (cui->parameter()) & (ARDOUR::Off|Play|Touch|Write)) {
 524         case ARDOUR::Off:
 525                 cui->automate_button.set_label (S_("Automation|Manual"));
 526                 break;
 527         case Play:
 528                 cui->automate_button.set_label (_("Play"));
 529                 break;
 530         case Write:
 531                 cui->automate_button.set_label (_("Write"));
 532                 break;
 533         case Touch:
 534                 cui->automate_button.set_label (_("Touch"));
 535                 break;
 536         default:
 537                 cui->automate_button.set_label (_("???"));
 538                 break;
 539         }
 540 }
 541
 542 bool
 543 GenericPluginUI::integer_printer (char buf[32], Adjustment &adj, ControlUI* cui)
 544 {
 545         float const        v   = cui->control->interface_to_internal(adj.get_value ());
 546         const std::string& str = ARDOUR::value_as_string(cui->control->desc(), Variant(v));
 547         const size_t       len = str.copy(buf, 31);
 548         buf[len] = '\0';
 549         return true;
 550 }
 551
 552 bool
 553 GenericPluginUI::midinote_printer (char buf[32], Adjustment &adj, ControlUI* cui)
 554 {
 555         float const        v   = cui->control->interface_to_internal(adj.get_value ());
 556         const std::string& str = ARDOUR::value_as_string(cui->control->desc(), Variant(v));
 557         const size_t       len = str.copy(buf, 31);
 558         buf[len] = '\0';
 559         return true;
 560 }
 561
 562 void
 563 GenericPluginUI::print_parameter (char *buf, uint32_t len, uint32_t param)
 564 {
 565         plugin->print_parameter (param, buf, len);
 566 }
 567
 568 /** Build a ControlUI for a parameter/property.
 569  * Note that mcontrol may be NULL for outputs.
 570  */
 571 GenericPluginUI::ControlUI*
 572 GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
 573                                    const ParameterDescriptor&           desc,
 574                                    boost::shared_ptr<AutomationControl> mcontrol,
 575                                    float                                value,
 576                                    bool                                 is_input)
 577 {
 578         ControlUI* control_ui = 0;
 579
 580         control_ui = manage (new ControlUI (param));
 581         control_ui->combo = 0;
 582         control_ui->control = mcontrol;
 583         control_ui->update_pending = false;
 584         control_ui->label.set_text (desc.label);
 585         control_ui->label.set_alignment (0.0, 0.5);
 586         control_ui->label.set_name ("PluginParameterLabel");
 587
 588         control_ui->set_spacing (5);
 589
 590         Gtk::Requisition req (control_ui->automate_button.size_request());
 591
 592         if (is_input) {
 593
 594                 /* See if there any named values for our input value */
 595                 control_ui->scale_points = desc.scale_points;
 596
 597                 /* If this parameter is an integer, work out the number of distinct values
 598                    it can take on (assuming that lower and upper values are allowed).
 599                 */
 600                 int const steps = desc.integer_step ? (desc.upper - desc.lower + 1) / desc.step : 0;
 601
 602                 if (control_ui->scale_points && ((steps && int (control_ui->scale_points->size()) == steps) || desc.enumeration)) {
 603
 604                         /* Either:
 605                          *   a) There is a label for each possible value of this input, or
 606                          *   b) This port is marked as being an enumeration.
 607                          */
 608
 609                         std::vector<std::string> labels;
 610                         for (
 611                                 ARDOUR::ScalePoints::const_iterator i = control_ui->scale_points->begin();
 612                                 i != control_ui->scale_points->end();
 613                                 ++i) {
 614
 615                                 labels.push_back(i->first);
 616                         }
 617
 618                         control_ui->combo = new Gtk::ComboBoxText();
 619                         set_popdown_strings(*control_ui->combo, labels);
 620                         control_ui->combo->signal_changed().connect(
 621                                 sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_combo_changed),
 622                                             control_ui));
 623                         mcontrol->Changed.connect(control_connections, invalidator(*this),
 624                                                   boost::bind(&GenericPluginUI::ui_parameter_changed,
 625                                                               this, control_ui),
 626                                                   gui_context());
 627                         control_ui->pack_start(control_ui->label, true, true);
 628                         control_ui->pack_start(*control_ui->combo, false, true);
 629
 630                         update_control_display(control_ui);
 631
 632                         return control_ui;
 633                 }
 634
 635                 if (desc.toggled) {
 636
 637                         /* Build a button */
 638
 639                         control_ui->button = manage (new ToggleButton ());
 640                         control_ui->button->set_name ("PluginEditorButton");
 641                         control_ui->button->set_size_request (20, 20);
 642
 643                         control_ui->pack_start (control_ui->label, true, true);
 644                         control_ui->pack_start (*control_ui->button, false, true);
 645                         control_ui->pack_start (control_ui->automate_button, false, false);
 646
 647                         control_ui->button->signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_port_toggled), control_ui));
 648                         control_ui->automate_button.signal_clicked().connect (bind (mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui));
 649
 650                         mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::toggle_parameter_changed, this, control_ui), gui_context());
 651                         mcontrol->alist()->automation_state_changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui), gui_context());
 652
 653                         if (value > 0.5){
 654                                 control_ui->button->set_active(true);
 655                         }
 656
 657                         automation_state_changed (control_ui);
 658
 659                         return control_ui;
 660                 }
 661
 662                 if (desc.datatype == Variant::PATH) {
 663
 664                         /* Build a file selector button */
 665
 666                         // Create/add controller
 667                         control_ui->file_button = manage(new Gtk::FileChooserButton(Gtk::FILE_CHOOSER_ACTION_OPEN));
 668                         control_ui->file_button->set_title(desc.label);
 669
 670                         control_ui->pack_start (control_ui->label, false, true);
 671                         control_ui->pack_start (*control_ui->file_button, true, true);
 672
 673                         // Connect signals (TODO: do this via the Control)
 674                         control_ui->file_button->signal_file_set().connect(
 675                                 sigc::bind(sigc::mem_fun(*this, &GenericPluginUI::set_property),
 676                                            desc, control_ui->file_button));
 677                         plugin->PropertyChanged.connect(*this, invalidator(*this),
 678                                                         boost::bind(&GenericPluginUI::property_changed, this, _1, _2),
 679                                                         gui_context());
 680
 681                         _property_controls.insert(std::make_pair(desc.key, control_ui->file_button));
 682                         control_ui->file_button = control_ui->file_button;
 683
 684                         return control_ui;
 685                 }
 686
 687                 /* create the controller */
 688
 689                 if (mcontrol) {
 690                         control_ui->controller = AutomationController::create(insert, mcontrol->parameter(), desc, mcontrol);
 691                 }
 692
 693                 /* XXX this code is not right yet, because it doesn't handle
 694                    the absence of bounds in any sensible fashion.
 695                 */
 696
 697                 Adjustment* adj = control_ui->controller->adjustment();
 698
 699                 if (desc.integer_step) {
 700                         control_ui->clickbox = new ClickBox (adj, "PluginUIClickBox", true);
 701                         Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2);
 702                         if (desc.unit == ParameterDescriptor::MIDI_NOTE) {
 703                                 control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::midinote_printer), control_ui));
 704                         } else {
 705                                 control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::integer_printer), control_ui));
 706                         }
 707                 } else {
 708                         //sigc::slot<void,char*,uint32_t> pslot = sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::print_parameter), (uint32_t) port_index);
 709
 710                         control_ui->controller->set_size_request (200, req.height);
 711                         control_ui->controller->set_name (X_("ProcessorControlSlider"));
 712
 713                 }
 714
 715                 adj->set_value (mcontrol->internal_to_interface(value));
 716
 717                 /* XXX memory leak: SliderController not destroyed by ControlUI
 718                    destructor, and manage() reports object hierarchy
 719                    ambiguity.
 720                 */
 721
 722                 control_ui->pack_start (control_ui->label, true, true);
 723                 if (desc.integer_step) {
 724                         control_ui->pack_start (*control_ui->clickbox, false, false);
 725                 } else {
 726                         control_ui->pack_start (*control_ui->controller, false, false);
 727                 }
 728
 729                 control_ui->pack_start (control_ui->automate_button, false, false);
 730                 control_ui->automate_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui));
 731
 732                 automation_state_changed (control_ui);
 733
 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                                 UIConfiguration::instance().color ("meter background bottom"),
 768                                 UIConfiguration::instance().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 }