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
  52 #include "i18n.h"
  53
  54 using namespace std;
  55 using namespace ARDOUR;
  56 using namespace PBD;
  57 using namespace Gtkmm2ext;
  58 using namespace Gtk;
  59
  60 GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrollable)
  61         : PlugUIBase (pi)
  62         , button_table (initial_button_rows, initial_button_cols)
  63         , output_table (initial_output_rows, initial_output_cols)
  64         , hAdjustment(0.0, 0.0, 0.0)
  65         , vAdjustment(0.0, 0.0, 0.0)
  66         , scroller_view(hAdjustment, vAdjustment)
  67         , automation_menu (0)
  68         , is_scrollable(scrollable)
  69 {
  70         set_name ("PluginEditor");
  71         set_border_width (10);
  72         //set_homogeneous (false);
  73
  74         pack_start (main_contents, true, true);
  75         settings_box.set_homogeneous (false);
  76
  77         HBox* constraint_hbox = manage (new HBox);
  78         HBox* smaller_hbox = manage (new HBox);
  79         HBox* automation_hbox = manage (new HBox);
  80         smaller_hbox->set_spacing (4);
  81         automation_hbox->set_spacing (6);
  82         Label* combo_label = manage (new Label (_("<span size=\"large\">Presets</span>")));
  83         combo_label->set_use_markup (true);
  84
  85         latency_button.add (latency_label);
  86         latency_button.signal_clicked().connect (sigc::mem_fun (*this, &PlugUIBase::latency_button_clicked));
  87         set_latency_label ();
  88
  89         smaller_hbox->pack_start (latency_button, false, false, 10);
  90         smaller_hbox->pack_start (_preset_combo, false, false);
  91         smaller_hbox->pack_start (_preset_modified, 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         automation_manual_all_button.set_text(_("Manual"));
  98         automation_manual_all_button.set_name (X_("generic button"));
  99         automation_play_all_button.set_text(_("Play"));
 100         automation_play_all_button.set_name (X_("generic button"));
 101         automation_write_all_button.set_text(_("Write"));
 102         automation_write_all_button.set_name (X_("generic button"));
 103         automation_touch_all_button.set_text(_("Touch"));
 104         automation_touch_all_button.set_name (X_("generic button"));
 105
 106         Label* l = manage (new Label (_("All Automation")));
 107         l->set_alignment (1.0, 0.5);
 108         automation_hbox->pack_start (*l, true, true);
 109         automation_hbox->pack_start (automation_manual_all_button, false, false);
 110         automation_hbox->pack_start (automation_play_all_button, false, false);
 111         automation_hbox->pack_start (automation_write_all_button, false, false);
 112         automation_hbox->pack_start (automation_touch_all_button, false, false);
 113
 114         constraint_hbox->set_spacing (5);
 115         constraint_hbox->set_homogeneous (false);
 116
 117         VBox* v1_box = manage (new VBox);
 118         VBox* v2_box = manage (new VBox);
 119         pack_end (plugin_analysis_expander, false, false);
 120         if (!plugin->get_docs().empty()) {
 121                 pack_end (description_expander, false, false);
 122         }
 123
 124         v1_box->set_spacing (6);
 125         v1_box->pack_start (*smaller_hbox, false, true);
 126         v1_box->pack_start (*automation_hbox, false, true);
 127         v2_box->pack_start (focus_button, false, true);
 128
 129         main_contents.pack_start (settings_box, false, false);
 130
 131         constraint_hbox->pack_end (*v2_box, false, false);
 132         constraint_hbox->pack_end (*v1_box, false, false);
 133
 134         main_contents.pack_start (*constraint_hbox, false, false);
 135
 136         if (is_scrollable ) {
 137                 scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 138                 scroller.set_name ("PluginEditor");
 139                 scroller_view.set_name("PluginEditor");
 140                 scroller_view.add (hpacker);
 141                 scroller.add (scroller_view);
 142
 143                 main_contents.pack_start (scroller, true, true);
 144
 145         } else {
 146                 main_contents.pack_start (hpacker, false, false);
 147         }
 148
 149         pi->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&GenericPluginUI::processor_active_changed, this, boost::weak_ptr<Processor>(pi)), gui_context());
 150
 151         bypass_button.set_active (!pi->active());
 152
 153         prefheight = 0;
 154         build ();
 155 }
 156
 157 GenericPluginUI::~GenericPluginUI ()
 158 {
 159         if (output_controls.size() > 0) {
 160                 screen_update_connection.disconnect();
 161         }
 162 }
 163
 164 // Some functions for calculating the 'similarity' of two plugin
 165 // control labels.
 166
 167 static int get_number(string label) {
 168 static const char *digits = "0123456789";
 169 int value = -1;
 170
 171         std::size_t first_digit_pos = label.find_first_of(digits);
 172         if (first_digit_pos != string::npos) {
 173                 // found some digits: there's a number in there somewhere
 174                 stringstream s;
 175                 s << label.substr(first_digit_pos);
 176                 s >> value;
 177         }
 178         return value;
 179 }
 180
 181 static int match_or_digit(char c1, char c2) {
 182         return c1 == c2 || (isdigit(c1) && isdigit(c2));
 183 }
 184
 185 static std::size_t matching_chars_at_head(const string s1, const string s2) {
 186 std::size_t length, n = 0;
 187
 188         length = min(s1.length(), s2.length());
 189         while (n < length) {
 190                 if (!match_or_digit(s1[n], s2[n]))
 191                         break;
 192                 n++;
 193         }
 194         return n;
 195 }
 196
 197 static std::size_t matching_chars_at_tail(const string s1, const string s2) {
 198 std::size_t s1pos, s2pos, n = 0;
 199
 200         s1pos = s1.length();
 201         s2pos = s2.length();
 202         while (s1pos-- > 0 && s2pos-- > 0) {
 203                 if (!match_or_digit(s1[s1pos], s2[s2pos])       )
 204                         break;
 205                 n++;
 206         }
 207         return n;
 208 }
 209
 210 static const guint32 min_controls_per_column = 17, max_controls_per_column = 24;
 211 static const float default_similarity_threshold = 0.3;
 212
 213 void
 214 GenericPluginUI::build ()
 215 {
 216         guint32 i = 0;
 217         guint32 x = 0;
 218         Frame* frame;
 219         Frame* bt_frame;
 220         VBox* box;
 221         int output_row, output_col;
 222         int button_row, button_col;
 223         int output_rows, output_cols;
 224         int button_rows, button_cols;
 225
 226         hpacker.set_spacing (10);
 227
 228         output_rows = initial_output_rows;
 229         output_cols = initial_output_cols;
 230         button_rows = initial_button_rows;
 231         button_cols = initial_button_cols;
 232         output_row = 0;
 233         button_row = 0;
 234         output_col = 0;
 235         button_col = 0;
 236
 237         button_table.set_homogeneous (false);
 238         button_table.set_row_spacings (2);
 239         button_table.set_col_spacings (2);
 240         output_table.set_homogeneous (true);
 241         output_table.set_row_spacings (2);
 242         output_table.set_col_spacings (2);
 243         button_table.set_border_width (5);
 244         output_table.set_border_width (5);
 245
 246         hpacker.set_border_width (10);
 247
 248         bt_frame = manage (new Frame);
 249         bt_frame->set_name ("BaseFrame");
 250         bt_frame->set_label (_("Switches"));
 251         bt_frame->add (button_table);
 252         hpacker.pack_start(*bt_frame, true, true);
 253
 254         box = manage (new VBox);
 255         box->set_border_width (5);
 256         box->set_spacing (1);
 257
 258         frame = manage (new Frame);
 259         frame->set_name ("BaseFrame");
 260         frame->set_label (_("Controls"));
 261         frame->add (*box);
 262         hpacker.pack_start(*frame, true, true);
 263
 264         std::vector<ControlUI *> control_uis;
 265
 266         // Build a ControlUI for each control port
 267         for (i = 0; i < plugin->parameter_count(); ++i) {
 268
 269                 if (plugin->parameter_is_control (i)) {
 270
 271                         /* Don't show latency control ports */
 272
 273                         const Evoral::Parameter param(PluginAutomation, 0, i);
 274                         if (plugin->describe_parameter (param) == X_("latency")) {
 275                                 continue;
 276                         }
 277
 278                         if (plugin->describe_parameter (param) == X_("hidden")) {
 279                                 continue;
 280                         }
 281
 282                         const float value = plugin->get_parameter(i);
 283
 284                         ControlUI* cui;
 285
 286                         boost::shared_ptr<ARDOUR::AutomationControl> c
 287                                 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 288                                         insert->control(param));
 289
 290                         ParameterDescriptor desc;
 291                         plugin->get_parameter_descriptor(i, desc);
 292                         if ((cui = build_control_ui (param, desc, c, value, plugin->parameter_is_input(i))) == 0) {
 293                                 error << string_compose(_("Plugin Editor: could not build control element for port %1"), i) << endmsg;
 294                                 continue;
 295                         }
 296
 297                         const std::string param_docs = plugin->get_parameter_docs(i);
 298                         if (!param_docs.empty()) {
 299                                 ARDOUR_UI::instance()->set_tip(cui, param_docs.c_str());
 300                         }
 301
 302                         control_uis.push_back(cui);
 303                 }
 304         }
 305
 306         // Build a ControlUI for each property
 307         const Plugin::PropertyDescriptors& descs = plugin->get_supported_properties();
 308         for (Plugin::PropertyDescriptors::const_iterator d = descs.begin(); d != descs.end(); ++d) {
 309                 const ParameterDescriptor& desc = d->second;
 310                 const Evoral::Parameter    param(PluginPropertyAutomation, 0, desc.key);
 311
 312                 boost::shared_ptr<ARDOUR::AutomationControl> c
 313                         = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
 314                                 insert->control(param));
 315
 316                 if (!c) {
 317                         error << string_compose(_("Plugin Editor: no control for property %1"), desc.key) << endmsg;
 318                         continue;
 319                 }
 320
 321                 ControlUI* cui = build_control_ui(param, desc, c, c->get_value(), true);
 322                 if (!cui) {
 323                         error << string_compose(_("Plugin Editor: could not build control element for property %1"),
 324                                                 desc.key) << endmsg;
 325                         continue;
 326                 }
 327
 328                 control_uis.push_back(cui);
 329         }
 330         if (!descs.empty()) {
 331                 plugin->announce_property_values();
 332         }
 333
 334         // Add special controls to UI, and build list of normal controls to be layed out later
 335         std::vector<ControlUI *> cui_controls_list;
 336         for (i = 0; i < control_uis.size(); ++i) {
 337                 ControlUI* cui = control_uis[i];
 338
 339                 if (cui->controller || cui->clickbox || cui->combo) {
 340                         // Get all of the controls into a list, so that
 341                         // we can lay them out a bit more nicely later.
 342                         cui_controls_list.push_back(cui);
 343                 } else if (cui->button || cui->file_button) {
 344
 345                         if (!is_scrollable && button_row == button_rows) {
 346                                 button_row = 0;
 347                                 if (++button_col == button_cols) {
 348                                         button_cols += 2;
 349                                         button_table.resize (button_rows, button_cols);
 350                                 }
 351                         }
 352
 353                         button_table.attach (*cui, button_col, button_col + 1, button_row, button_row+1,
 354                                              FILL|EXPAND, FILL);
 355                         button_row++;
 356
 357                 } else if (cui->display) {
 358
 359                         output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1,
 360                                              FILL|EXPAND, FILL);
 361
 362                         // TODO: The meters should be divided into multiple rows
 363
 364                         if (++output_col == output_cols) {
 365                                 output_cols ++;
 366                                 output_table.resize (output_rows, output_cols);
 367                         }
 368                 }
 369         }
 370
 371         // Iterate over the list of controls to find which adjacent controls
 372         // are similar enough to be grouped together.
 373
 374         string label, previous_label = "";
 375         std::vector<int> numbers_in_labels(cui_controls_list.size());
 376
 377         std::vector<float> similarity_scores(cui_controls_list.size());
 378         float most_similar = 0.0, least_similar = 1.0;
 379
 380         i = 0;
 381         for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
 382                 label = (*cuip)->label.get_text();
 383                 numbers_in_labels[i] = get_number(label);
 384
 385                 if (i > 0) {
 386                         // A hand-wavy calculation of how similar this control's
 387                         // label is to the previous.
 388                         similarity_scores[i] =
 389                                 (float) (
 390                                         ( matching_chars_at_head(label, previous_label) +
 391                                           matching_chars_at_tail(label, previous_label) +
 392                                           1
 393                                         )
 394                                 ) / (label.length() + previous_label.length());
 395                         if (numbers_in_labels[i] >= 0) {
 396                                 similarity_scores[i] += (numbers_in_labels[i] == numbers_in_labels[i-1]);
 397                         }
 398                         least_similar = min(least_similar, similarity_scores[i]);
 399                         most_similar  = max(most_similar, similarity_scores[i]);
 400                 } else {
 401                         similarity_scores[0] = 1.0;
 402                 }
 403
 404                 // cerr << "label: " << label << " sim: " << fixed << setprecision(3) << similarity_scores[i] << " num: " << numbers_in_labels[i] << endl;
 405                 previous_label = label;
 406         }
 407
 408
 409         // cerr << "most similar: " << most_similar << ", least similar: " << least_similar << endl;
 410         float similarity_threshold;
 411
 412         if (most_similar > 1.0) {
 413                 similarity_threshold = default_similarity_threshold;
 414         } else {
 415                 similarity_threshold = most_similar - (1 - default_similarity_threshold);
 416         }
 417
 418         // Now iterate over the list of controls to display them, placing an
 419         // HSeparator between controls of less than a certain similarity, and
 420         // starting a new column when necessary.
 421
 422         i = 0;
 423         for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
 424
 425                 ControlUI* cui = *cuip;
 426
 427                 if (!is_scrollable) {
 428                         x++;
 429                 }
 430
 431                 if (x > max_controls_per_column || similarity_scores[i] <= similarity_threshold) {
 432                         if (x > min_controls_per_column) {
 433                                 frame = manage (new Frame);
 434                                 frame->set_name ("BaseFrame");
 435                                 frame->set_label (_("Controls"));
 436                                 box = manage (new VBox);
 437                                 box->set_border_width (5);
 438                                 box->set_spacing (1);
 439                                 frame->add (*box);
 440                                 hpacker.pack_start(*frame, true, true);
 441                                 x = 0;
 442                         } else {
 443                                 HSeparator *split = new HSeparator();
 444                                 split->set_size_request(-1, 5);
 445                                 box->pack_start(*split, false, false, 0);
 446                         }
 447
 448                 }
 449                 box->pack_start (*cui, false, false);
 450         }
 451
 452         if (is_scrollable) {
 453                 prefheight = 30 * i;
 454         }
 455
 456         if (box->children().empty()) {
 457                 hpacker.remove (*frame);
 458         }
 459
 460         if (button_table.children().empty()) {
 461                 hpacker.remove (*bt_frame);
 462         }
 463
 464         if (!output_table.children().empty()) {
 465                 frame = manage (new Frame);
 466                 frame->set_name ("BaseFrame");
 467                 frame->set_label(_("Meters"));
 468                 frame->add (output_table);
 469                 hpacker.pack_end (*frame, true, true);
 470         }
 471
 472         output_update ();
 473
 474         output_table.show_all ();
 475         button_table.show_all ();
 476
 477         automation_manual_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Off));
 478         automation_play_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Play));
 479         automation_write_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Write));
 480         automation_touch_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Touch));
 481 }
 482
 483 GenericPluginUI::ControlUI::ControlUI (const Evoral::Parameter& p)
 484         : param(p)
 485         , automate_button (X_("")) // force creation of a label
 486         , file_button(NULL)
 487 {
 488         automate_button.set_name ("PluginAutomateButton");
 489         ARDOUR_UI::instance()->set_tip (automate_button, _("Automation control"));
 490
 491         /* XXX translators: use a string here that will be at least as long
 492            as the longest automation label (see ::automation_state_changed()
 493            below). be sure to include a descender.
 494         */
 495
 496         set_size_request_to_display_given_text (automate_button, _("Mgnual"), 15, 10);
 497
 498         ignore_change = 0;
 499         display = 0;
 500         button = 0;
 501         clickbox = 0;
 502         meterinfo = 0;
 503 }
 504
 505 GenericPluginUI::ControlUI::~ControlUI()
 506 {
 507         if (meterinfo) {
 508                 delete meterinfo->meter;
 509                 delete meterinfo;
 510         }
 511 }
 512
 513 void
 514 GenericPluginUI::automation_state_changed (ControlUI* cui)
 515 {
 516         /* update button label */
 517
 518         // don't lock to avoid deadlock because we're triggered by
 519         // AutomationControl::Changed() while the automation lock is taken
 520         switch (insert->get_parameter_automation_state (cui->parameter()) & (ARDOUR::Off|Play|Touch|Write)) {
 521         case ARDOUR::Off:
 522                 cui->automate_button.set_label (S_("Automation|Manual"));
 523                 break;
 524         case Play:
 525                 cui->automate_button.set_label (_("Play"));
 526                 break;
 527         case Write:
 528                 cui->automate_button.set_label (_("Write"));
 529                 break;
 530         case Touch:
 531                 cui->automate_button.set_label (_("Touch"));
 532                 break;
 533         default:
 534                 cui->automate_button.set_label (_("???"));
 535                 break;
 536         }
 537 }
 538
 539 bool
 540 GenericPluginUI::integer_printer (char buf[32], Adjustment &adj, ControlUI* cui)
 541 {
 542         float const        v   = cui->control->interface_to_internal(adj.get_value ());
 543         const std::string& str = ARDOUR::value_as_string(cui->control->desc(), Variant(v));
 544         const size_t       len = str.copy(buf, 31);
 545         buf[len] = '\0';
 546         return true;
 547 }
 548
 549 bool
 550 GenericPluginUI::midinote_printer (char buf[32], Adjustment &adj, ControlUI* cui)
 551 {
 552         float const        v   = cui->control->interface_to_internal(adj.get_value ());
 553         const std::string& str = ARDOUR::value_as_string(cui->control->desc(), Variant(v));
 554         const size_t       len = str.copy(buf, 31);
 555         buf[len] = '\0';
 556         return true;
 557 }
 558
 559 void
 560 GenericPluginUI::print_parameter (char *buf, uint32_t len, uint32_t param)
 561 {
 562         plugin->print_parameter (param, buf, len);
 563 }
 564
 565 /** Build a ControlUI for a parameter/property.
 566  * Note that mcontrol may be NULL for outputs.
 567  */
 568 GenericPluginUI::ControlUI*
 569 GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
 570                                    const ParameterDescriptor&           desc,
 571                                    boost::shared_ptr<AutomationControl> mcontrol,
 572                                    float                                value,
 573                                    bool                                 is_input)
 574 {
 575         ControlUI* control_ui = 0;
 576
 577         control_ui = manage (new ControlUI (param));
 578         control_ui->combo = 0;
 579         control_ui->control = mcontrol;
 580         control_ui->update_pending = false;
 581         control_ui->label.set_text (desc.label);
 582         control_ui->label.set_alignment (0.0, 0.5);
 583         control_ui->label.set_name ("PluginParameterLabel");
 584
 585         control_ui->set_spacing (5);
 586
 587         Gtk::Requisition req (control_ui->automate_button.size_request());
 588
 589         if (is_input) {
 590
 591                 /* See if there any named values for our input value */
 592                 control_ui->scale_points = desc.scale_points;
 593
 594                 /* If this parameter is an integer, work out the number of distinct values
 595                    it can take on (assuming that lower and upper values are allowed).
 596                 */
 597                 int const steps = desc.integer_step ? (desc.upper - desc.lower + 1) / desc.step : 0;
 598
 599                 if (control_ui->scale_points && ((steps && int (control_ui->scale_points->size()) == steps) || desc.enumeration)) {
 600
 601                         /* Either:
 602                          *   a) There is a label for each possible value of this input, or
 603                          *   b) This port is marked as being an enumeration.
 604                          */
 605
 606                         std::vector<std::string> labels;
 607                         for (
 608                                 ARDOUR::ScalePoints::const_iterator i = control_ui->scale_points->begin();
 609                                 i != control_ui->scale_points->end();
 610                                 ++i) {
 611
 612                                 labels.push_back(i->first);
 613                         }
 614
 615                         control_ui->combo = new Gtk::ComboBoxText();
 616                         set_popdown_strings(*control_ui->combo, labels);
 617                         control_ui->combo->signal_changed().connect(
 618                                 sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_combo_changed),
 619                                             control_ui));
 620                         mcontrol->Changed.connect(control_connections, invalidator(*this),
 621                                                   boost::bind(&GenericPluginUI::ui_parameter_changed,
 622                                                               this, control_ui),
 623                                                   gui_context());
 624                         control_ui->pack_start(control_ui->label, true, true);
 625                         control_ui->pack_start(*control_ui->combo, false, true);
 626
 627                         update_control_display(control_ui);
 628
 629                         return control_ui;
 630                 }
 631
 632                 if (desc.toggled) {
 633
 634                         /* Build a button */
 635
 636                         control_ui->button = manage (new ToggleButton ());
 637                         control_ui->button->set_name ("PluginEditorButton");
 638                         control_ui->button->set_size_request (20, 20);
 639
 640                         control_ui->pack_start (control_ui->label, true, true);
 641                         control_ui->pack_start (*control_ui->button, false, true);
 642                         control_ui->pack_start (control_ui->automate_button, false, false);
 643
 644                         control_ui->button->signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_port_toggled), control_ui));
 645                         control_ui->automate_button.signal_clicked().connect (bind (mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui));
 646
 647                         mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::toggle_parameter_changed, this, control_ui), gui_context());
 648                         mcontrol->alist()->automation_state_changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui), gui_context());
 649
 650                         if (value > 0.5){
 651                                 control_ui->button->set_active(true);
 652                         }
 653
 654                         automation_state_changed (control_ui);
 655
 656                         return control_ui;
 657                 }
 658
 659                 if (desc.datatype == Variant::PATH) {
 660
 661                         /* Build a file selector button */
 662
 663                         // Create/add controller
 664                         control_ui->file_button = manage(new Gtk::FileChooserButton(Gtk::FILE_CHOOSER_ACTION_OPEN));
 665                         control_ui->file_button->set_title(desc.label);
 666
 667                         control_ui->pack_start (control_ui->label, true, true);
 668                         control_ui->pack_start (*control_ui->file_button, true, true);
 669
 670                         // Connect signals (TODO: do this via the Control)
 671                         control_ui->file_button->signal_file_set().connect(
 672                                 sigc::bind(sigc::mem_fun(*this, &GenericPluginUI::set_property),
 673                                            desc, control_ui->file_button));
 674                         plugin->PropertyChanged.connect(*this, invalidator(*this),
 675                                                         boost::bind(&GenericPluginUI::property_changed, this, _1, _2),
 676                                                         gui_context());
 677
 678                         _property_controls.insert(std::make_pair(desc.key, control_ui->file_button));
 679                         control_ui->file_button = control_ui->file_button;
 680
 681                         return control_ui;
 682                 }
 683
 684                 /* create the controller */
 685
 686                 if (mcontrol) {
 687                         control_ui->controller = AutomationController::create(insert, mcontrol->parameter(), desc, mcontrol);
 688                 }
 689
 690                 /* XXX this code is not right yet, because it doesn't handle
 691                    the absence of bounds in any sensible fashion.
 692                 */
 693
 694                 Adjustment* adj = control_ui->controller->adjustment();
 695
 696                 if (desc.integer_step) {
 697                         control_ui->clickbox = new ClickBox (adj, "PluginUIClickBox", desc.enumeration);
 698                         Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2);
 699                         if (desc.unit == ParameterDescriptor::MIDI_NOTE) {
 700                                 control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::midinote_printer), control_ui));
 701                         } else {
 702                                 control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::integer_printer), control_ui));
 703                         }
 704                 } else {
 705                         //sigc::slot<void,char*,uint32_t> pslot = sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::print_parameter), (uint32_t) port_index);
 706
 707                         control_ui->controller->set_size_request (200, req.height);
 708                         control_ui->controller->set_name (X_("ProcessorControlSlider"));
 709
 710                         control_ui->controller->StartGesture.connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::start_touch), control_ui));
 711                         control_ui->controller->StopGesture.connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::stop_touch), control_ui));
 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->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::ui_parameter_changed, this, control_ui), gui_context());
 735                 mcontrol->alist()->automation_state_changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui), gui_context());
 736
 737                 input_controls.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()->get_MeterBackgroundBot(),
 768                                 ARDOUR_UI::config()->get_MeterBackgroundTop()
 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::start_touch (GenericPluginUI::ControlUI* cui)
 808 {
 809         cui->control->start_touch (cui->control->session().transport_frame());
 810 }
 811
 812 void
 813 GenericPluginUI::stop_touch (GenericPluginUI::ControlUI* cui)
 814 {
 815         cui->control->stop_touch (false, cui->control->session().transport_frame());
 816 }
 817
 818 void
 819 GenericPluginUI::astate_clicked (ControlUI* cui)
 820 {
 821         using namespace Menu_Helpers;
 822
 823         if (automation_menu == 0) {
 824                 automation_menu = manage (new Menu);
 825                 automation_menu->set_name ("ArdourContextMenu");
 826         }
 827
 828         MenuList& items (automation_menu->items());
 829
 830         items.clear ();
 831         items.push_back (MenuElem (S_("Automation|Manual"),
 832                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) ARDOUR::Off, cui)));
 833         items.push_back (MenuElem (_("Play"),
 834                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Play, cui)));
 835         items.push_back (MenuElem (_("Write"),
 836                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Write, cui)));
 837         items.push_back (MenuElem (_("Touch"),
 838                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Touch, cui)));
 839
 840         automation_menu->popup (1, gtk_get_current_event_time());
 841 }
 842
 843 void
 844 GenericPluginUI::set_all_automation (AutoState as)
 845 {
 846         for (vector<ControlUI*>::iterator i = input_controls.begin(); i != input_controls.end(); ++i) {
 847                 if ((*i)->controller || (*i)->button) {
 848                         set_automation_state (as, (*i));
 849                 }
 850         }
 851 }
 852
 853 void
 854 GenericPluginUI::set_automation_state (AutoState state, ControlUI* cui)
 855 {
 856         insert->set_parameter_automation_state (cui->parameter(), state);
 857 }
 858
 859 void
 860 GenericPluginUI::toggle_parameter_changed (ControlUI* cui)
 861 {
 862         float val = cui->control->get_value();
 863
 864         if (!cui->ignore_change) {
 865                 if (val > 0.5) {
 866                         cui->button->set_active (true);
 867                         cui->button->set_name ("PluginEditorButton-active");
 868                 } else {
 869                         cui->button->set_active (false);
 870                         cui->button->set_name ("PluginEditorButton");
 871                 }
 872         }
 873 }
 874
 875 void
 876 GenericPluginUI::ui_parameter_changed (ControlUI* cui)
 877 {
 878         if (!cui->update_pending) {
 879                 cui->update_pending = true;
 880                 Gtkmm2ext::UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&GenericPluginUI::update_control_display, this, cui));
 881         }
 882 }
 883
 884 void
 885 GenericPluginUI::update_control_display (ControlUI* cui)
 886 {
 887         /* XXX how do we handle logarithmic stuff here ? */
 888
 889         cui->update_pending = false;
 890
 891         float val = cui->control->get_value();
 892
 893         cui->ignore_change++;
 894
 895         if (cui->combo && cui->scale_points) {
 896                 for (ARDOUR::ScalePoints::iterator it = cui->scale_points->begin(); it != cui->scale_points->end(); ++it) {
 897                         if (it->second == val) {
 898                                 cui->combo->set_active_text(it->first);
 899                                 break;
 900                         }
 901                 }
 902         } else if (cui->button) {
 903
 904                 if (val > 0.5) {
 905                         cui->button->set_active (true);
 906                 } else {
 907                         cui->button->set_active (false);
 908                 }
 909         }
 910
 911         if( cui->controller ) {
 912             cui->controller->display_effective_value();
 913         }
 914
 915
 916         /*} else {
 917                 if (cui->logarithmic) {
 918                         val = log(val);
 919                 }
 920                 if (val != cui->adjustment->get_value()) {
 921                         cui->adjustment->set_value (val);
 922                 }
 923         }*/
 924         cui->ignore_change--;
 925 }
 926
 927 void
 928 GenericPluginUI::control_port_toggled (ControlUI* cui)
 929 {
 930         cui->ignore_change++;
 931         const bool active = cui->button->get_active();
 932         if (active) {
 933                 cui->button->set_name ("PluginEditorButton-active");
 934         } else {
 935                 cui->button->set_name ("PluginEditorButton");
 936         }
 937         insert->automation_control (cui->parameter())->set_value (active);
 938         cui->ignore_change--;
 939 }
 940
 941 void
 942 GenericPluginUI::control_combo_changed (ControlUI* cui)
 943 {
 944         if (!cui->ignore_change && cui->scale_points) {
 945                 string value = cui->combo->get_active_text();
 946                 insert->automation_control (cui->parameter())->set_value ((*cui->scale_points)[value]);
 947         }
 948 }
 949
 950 bool
 951 GenericPluginUI::start_updating (GdkEventAny*)
 952 {
 953         if (output_controls.size() > 0 ) {
 954                 screen_update_connection.disconnect();
 955                 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
 956                         (sigc::mem_fun(*this, &GenericPluginUI::output_update));
 957         }
 958         return false;
 959 }
 960
 961 bool
 962 GenericPluginUI::stop_updating (GdkEventAny*)
 963 {
 964         for (vector<ControlUI*>::iterator i = input_controls.begin(); i != input_controls.end(); ++i) {
 965                 (*i)->controller->stop_updating ();
 966         }
 967
 968         if (output_controls.size() > 0 ) {
 969                 screen_update_connection.disconnect();
 970         }
 971
 972         return false;
 973 }
 974
 975 void
 976 GenericPluginUI::output_update ()
 977 {
 978         for (vector<ControlUI*>::iterator i = output_controls.begin(); i != output_controls.end(); ++i) {
 979                 float val = plugin->get_parameter ((*i)->parameter().id());
 980                 char buf[32];
 981                 snprintf (buf, sizeof(buf), "%.2f", val);
 982                 (*i)->display_label->set_text (buf);
 983
 984                 /* autoscaling for the meter */
 985                 if ((*i)->meterinfo && (*i)->meterinfo->packed) {
 986
 987                         if (val < (*i)->meterinfo->min) {
 988                                 if ((*i)->meterinfo->min_unbound)
 989                                         (*i)->meterinfo->min = val;
 990                                 else
 991                                         val = (*i)->meterinfo->min;
 992                         }
 993
 994                         if (val > (*i)->meterinfo->max) {
 995                                 if ((*i)->meterinfo->max_unbound)
 996                                         (*i)->meterinfo->max = val;
 997                                 else
 998                                         val = (*i)->meterinfo->max;
 999                         }
1000
1001                         if ((*i)->meterinfo->max > (*i)->meterinfo->min ) {
1002                                 float lval = (val - (*i)->meterinfo->min) / ((*i)->meterinfo->max - (*i)->meterinfo->min) ;
1003                                 (*i)->meterinfo->meter->set (lval );
1004                         }
1005                 }
1006         }
1007 }
1008
1009 void
1010 GenericPluginUI::set_property (const ParameterDescriptor& desc,
1011                                Gtk::FileChooserButton*    widget)
1012 {
1013         plugin->set_property(desc.key, Variant(Variant::PATH, widget->get_filename()));
1014 }
1015
1016 void
1017 GenericPluginUI::property_changed (uint32_t key, const Variant& value)
1018 {
1019         PropertyControls::iterator c = _property_controls.find(key);
1020         if (c != _property_controls.end()) {
1021                 c->second->set_filename(value.get_path());
1022         } else {
1023                 std::cerr << "warning: property change for property with no control" << std::endl;
1024         }
1025 }