2 Copyright (C) 2000 Paul Davis
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.
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.
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.
21 #include "gtk2ardour-config.h"
29 #include "pbd/stl_delete.h"
30 #include "pbd/xml++.h"
31 #include "pbd/failed_constructor.h"
33 #include <gtkmm2ext/click_box.h>
34 #include <gtkmm2ext/fastmeter.h>
35 #include <gtkmm2ext/barcontroller.h>
36 #include <gtkmm2ext/utils.h>
37 #include <gtkmm2ext/doi.h>
38 #include <gtkmm2ext/slider_controller.h>
40 #include "midi++/manager.h"
42 #include "ardour/plugin.h"
43 #include "ardour/plugin_insert.h"
44 #include "ardour/session.h"
46 #include "ardour_ui.h"
48 #include "plugin_ui.h"
50 #include "gui_thread.h"
51 #include "automation_controller.h"
56 using namespace ARDOUR;
58 using namespace Gtkmm2ext;
61 GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrollable)
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),
69 is_scrollable(scrollable)
71 set_name ("PluginEditor");
72 set_border_width (10);
73 //set_homogeneous (false);
75 pack_start (main_contents, true, true);
76 settings_box.set_homogeneous (false);
78 HBox* constraint_hbox = manage (new HBox);
79 HBox* smaller_hbox = manage (new HBox);
80 smaller_hbox->set_spacing (4);
81 Label* combo_label = manage (new Label (_("<span size=\"large\">Presets</span>")));
82 combo_label->set_use_markup (true);
84 latency_button.add (latency_label);
85 latency_button.signal_clicked().connect (sigc::mem_fun (*this, &PlugUIBase::latency_button_clicked));
88 smaller_hbox->pack_start (latency_button, false, false, 10);
89 smaller_hbox->pack_start (_preset_combo, false, false);
90 smaller_hbox->pack_start (_preset_modified, false, false);
91 smaller_hbox->pack_start (add_button, false, false);
92 smaller_hbox->pack_start (save_button, false, false);
93 smaller_hbox->pack_start (delete_button, false, false);
94 smaller_hbox->pack_start (bypass_button, false, true);
96 constraint_hbox->set_spacing (5);
97 constraint_hbox->set_homogeneous (false);
99 VBox* v1_box = manage (new VBox);
100 VBox* v2_box = manage (new VBox);
101 pack_end (plugin_analysis_expander, false, false);
102 if (!plugin->get_docs().empty()) {
103 pack_end (description_expander, false, false);
106 v1_box->pack_start (*smaller_hbox, false, true);
107 v2_box->pack_start (focus_button, false, true);
109 main_contents.pack_start (settings_box, false, false);
111 constraint_hbox->pack_end (*v2_box, false, false);
112 constraint_hbox->pack_end (*v1_box, false, false);
114 main_contents.pack_start (*constraint_hbox, false, false);
116 if (is_scrollable ) {
117 scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
118 scroller.set_name ("PluginEditor");
119 scroller_view.set_name("PluginEditor");
120 scroller_view.add (hpacker);
121 scroller.add (scroller_view);
123 main_contents.pack_start (scroller, true, true);
126 main_contents.pack_start (hpacker, false, false);
129 pi->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&GenericPluginUI::processor_active_changed, this, boost::weak_ptr<Processor>(pi)), gui_context());
131 bypass_button.set_active (!pi->active());
137 GenericPluginUI::~GenericPluginUI ()
139 if (output_controls.size() > 0) {
140 screen_update_connection.disconnect();
144 // Some functions for calculating the 'similarity' of two plugin
147 static int get_number(string label) {
148 static const char *digits = "0123456789";
151 std::size_t first_digit_pos = label.find_first_of(digits);
152 if (first_digit_pos != string::npos) {
153 // found some digits: there's a number in there somewhere
155 s << label.substr(first_digit_pos);
161 static int match_or_digit(char c1, char c2) {
162 return c1 == c2 || (isdigit(c1) && isdigit(c2));
165 static std::size_t matching_chars_at_head(const string s1, const string s2) {
166 std::size_t length, n = 0;
168 length = min(s1.length(), s2.length());
170 if (!match_or_digit(s1[n], s2[n]))
177 static std::size_t matching_chars_at_tail(const string s1, const string s2) {
178 std::size_t s1pos, s2pos, n = 0;
182 while (s1pos-- > 0 && s2pos-- > 0) {
183 if (!match_or_digit(s1[s1pos], s2[s2pos]) )
190 static const guint32 min_controls_per_column = 17, max_controls_per_column = 24;
191 static const float default_similarity_threshold = 0.3;
194 GenericPluginUI::build ()
201 int output_row, output_col;
202 int button_row, button_col;
203 int output_rows, output_cols;
204 int button_rows, button_cols;
206 hpacker.set_spacing (10);
208 output_rows = initial_output_rows;
209 output_cols = initial_output_cols;
210 button_rows = initial_button_rows;
211 button_cols = initial_button_cols;
217 button_table.set_homogeneous (false);
218 button_table.set_row_spacings (2);
219 button_table.set_col_spacings (2);
220 output_table.set_homogeneous (true);
221 output_table.set_row_spacings (2);
222 output_table.set_col_spacings (2);
223 button_table.set_border_width (5);
224 output_table.set_border_width (5);
226 hpacker.set_border_width (10);
228 bt_frame = manage (new Frame);
229 bt_frame->set_name ("BaseFrame");
230 bt_frame->set_label (_("Switches"));
231 bt_frame->add (button_table);
232 hpacker.pack_start(*bt_frame, true, true);
234 box = manage (new VBox);
235 box->set_border_width (5);
236 box->set_spacing (1);
238 frame = manage (new Frame);
239 frame->set_name ("BaseFrame");
240 frame->set_label (_("Controls"));
242 hpacker.pack_start(*frame, true, true);
244 /* find all ports. build control elements for all appropriate control ports */
245 std::vector<ControlUI *> cui_controls_list;
247 for (i = 0; i < plugin->parameter_count(); ++i) {
249 if (plugin->parameter_is_control (i)) {
251 /* Don't show latency control ports */
253 if (plugin->describe_parameter (Evoral::Parameter(PluginAutomation, 0, i)) == X_("latency")) {
257 if (plugin->describe_parameter (Evoral::Parameter(PluginAutomation, 0, i)) == X_("hidden")) {
263 boost::shared_ptr<ARDOUR::AutomationControl> c
264 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
265 insert->control(Evoral::Parameter(PluginAutomation, 0, i)));
267 if ((cui = build_control_ui (i, c)) == 0) {
268 error << string_compose(_("Plugin Editor: could not build control element for port %1"), i) << endmsg;
272 const std::string param_docs = plugin->get_parameter_docs(i);
273 if (!param_docs.empty()) {
274 ARDOUR_UI::instance()->set_tip(cui, param_docs.c_str());
277 if (cui->controller || cui->clickbox || cui->combo) {
278 // Get all of the controls into a list, so that
279 // we can lay them out a bit more nicely later.
280 cui_controls_list.push_back(cui);
281 } else if (cui->button) {
283 if (!is_scrollable && button_row == button_rows) {
285 if (++button_col == button_cols) {
287 button_table.resize (button_rows, button_cols);
291 button_table.attach (*cui, button_col, button_col + 1, button_row, button_row+1,
295 } else if (cui->display) {
297 output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1,
300 // TODO: The meters should be divided into multiple rows
302 if (++output_col == output_cols) {
304 output_table.resize (output_rows, output_cols);
310 // Iterate over the list of controls to find which adjacent controls
311 // are similar enough to be grouped together.
313 string label, previous_label = "";
314 int numbers_in_labels[cui_controls_list.size()];
316 float similarity_scores[cui_controls_list.size()];
317 float most_similar = 0.0, least_similar = 1.0;
320 for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
321 label = (*cuip)->label.get_text();
322 numbers_in_labels[i] = get_number(label);
325 // A hand-wavy calculation of how similar this control's
326 // label is to the previous.
327 similarity_scores[i] =
329 ( matching_chars_at_head(label, previous_label) +
330 matching_chars_at_tail(label, previous_label) +
333 ) / (label.length() + previous_label.length());
334 if (numbers_in_labels[i] >= 0) {
335 similarity_scores[i] += (numbers_in_labels[i] == numbers_in_labels[i-1]);
337 least_similar = min(least_similar, similarity_scores[i]);
338 most_similar = max(most_similar, similarity_scores[i]);
340 similarity_scores[0] = 1.0;
343 // cerr << "label: " << label << " sim: " << fixed << setprecision(3) << similarity_scores[i] << " num: " << numbers_in_labels[i] << endl;
344 previous_label = label;
348 // cerr << "most similar: " << most_similar << ", least similar: " << least_similar << endl;
349 float similarity_threshold;
351 if (most_similar > 1.0) {
352 similarity_threshold = default_similarity_threshold;
354 similarity_threshold = most_similar - (1 - default_similarity_threshold);
357 // Now iterate over the list of controls to display them, placing an
358 // HSeparator between controls of less than a certain similarity, and
359 // starting a new column when necessary.
362 for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
364 ControlUI* cui = *cuip;
366 if (!is_scrollable) {
370 if (x > max_controls_per_column || similarity_scores[i] <= similarity_threshold) {
371 if (x > min_controls_per_column) {
372 frame = manage (new Frame);
373 frame->set_name ("BaseFrame");
374 frame->set_label (_("Controls"));
375 box = manage (new VBox);
376 box->set_border_width (5);
377 box->set_spacing (1);
379 hpacker.pack_start(*frame, true, true);
382 HSeparator *split = new HSeparator();
383 split->set_size_request(-1, 5);
384 box->pack_start(*split, false, false, 0);
388 box->pack_start (*cui, false, false);
395 if (box->children().empty()) {
396 hpacker.remove (*frame);
399 if (button_table.children().empty()) {
400 hpacker.remove (*bt_frame);
403 if (!output_table.children().empty()) {
404 frame = manage (new Frame);
405 frame->set_name ("BaseFrame");
406 frame->set_label(_("Meters"));
407 frame->add (output_table);
408 hpacker.pack_end (*frame, true, true);
413 output_table.show_all ();
414 button_table.show_all ();
417 GenericPluginUI::ControlUI::ControlUI ()
418 : automate_button (X_("")) // force creation of a label
420 automate_button.set_name ("PluginAutomateButton");
421 ARDOUR_UI::instance()->set_tip (automate_button, _("Automation control"));
423 /* XXX translators: use a string here that will be at least as long
424 as the longest automation label (see ::automation_state_changed()
425 below). be sure to include a descender.
428 set_size_request_to_display_given_text (automate_button, _("Mgnual"), 15, 10);
437 GenericPluginUI::ControlUI::~ControlUI()
440 delete meterinfo->meter;
446 GenericPluginUI::automation_state_changed (ControlUI* cui)
448 /* update button label */
450 // don't lock to avoid deadlock because we're triggered by
451 // AutomationControl::Changed() while the automation lock is taken
452 switch (insert->get_parameter_automation_state (cui->parameter()) & (ARDOUR::Off|Play|Touch|Write)) {
454 cui->automate_button.set_label (S_("Automation|Manual"));
457 cui->automate_button.set_label (_("Play"));
460 cui->automate_button.set_label (_("Write"));
463 cui->automate_button.set_label (_("Touch"));
466 cui->automate_button.set_label (_("???"));
473 GenericPluginUI::integer_printer (char buf[32], Adjustment &adj, ControlUI* cui)
475 float const v = adj.get_value ();
477 if (cui->scale_points) {
478 Plugin::ScalePoints::const_iterator i = cui->scale_points->begin ();
479 while (i != cui->scale_points->end() && i->second != v) {
483 if (i != cui->scale_points->end ()) {
484 snprintf (buf, 32, "%s", i->first.c_str());
489 snprintf (buf, 32, "%.0f", v);
494 GenericPluginUI::print_parameter (char *buf, uint32_t len, uint32_t param)
496 plugin->print_parameter (param, buf, len);
499 GenericPluginUI::ControlUI*
500 GenericPluginUI::build_control_ui (guint32 port_index, boost::shared_ptr<AutomationControl> mcontrol)
502 ControlUI* control_ui = 0;
504 Plugin::ParameterDescriptor desc;
506 plugin->get_parameter_descriptor (port_index, desc);
508 control_ui = manage (new ControlUI ());
509 control_ui->combo = 0;
510 control_ui->control = mcontrol;
511 control_ui->update_pending = false;
512 control_ui->label.set_text (desc.label);
513 control_ui->label.set_alignment (0.0, 0.5);
514 control_ui->label.set_name ("PluginParameterLabel");
515 control_ui->port_index = port_index;
517 control_ui->set_spacing (5);
519 Gtk::Requisition req (control_ui->automate_button.size_request());
521 if (plugin->parameter_is_input(port_index)) {
523 /* See if there any named values for our input value */
524 control_ui->scale_points = plugin->get_scale_points (port_index);
526 /* If this parameter is an integer, work out the number of distinct values
527 it can take on (assuming that lower and upper values are allowed).
529 int const steps = desc.integer_step ? (desc.upper - desc.lower + 1) / desc.step : 0;
531 if (control_ui->scale_points && ((steps && int (control_ui->scale_points->size()) == steps) || desc.enumeration)) {
534 * a) There is a label for each possible value of this input, or
535 * b) This port is marked as being an enumeration.
538 std::vector<std::string> labels;
540 ARDOUR::Plugin::ScalePoints::const_iterator i = control_ui->scale_points->begin();
541 i != control_ui->scale_points->end();
544 labels.push_back(i->first);
547 control_ui->combo = new Gtk::ComboBoxText();
548 set_popdown_strings(*control_ui->combo, labels);
549 control_ui->combo->signal_changed().connect(
550 sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_combo_changed),
552 mcontrol->Changed.connect(control_connections, invalidator(*this),
553 boost::bind(&GenericPluginUI::ui_parameter_changed,
556 control_ui->pack_start(control_ui->label, true, true);
557 control_ui->pack_start(*control_ui->combo, false, true);
559 update_control_display(control_ui);
568 control_ui->button = manage (new ToggleButton ());
569 control_ui->button->set_name ("PluginEditorButton");
570 control_ui->button->set_size_request (20, 20);
572 control_ui->pack_start (control_ui->label, true, true);
573 control_ui->pack_start (*control_ui->button, false, true);
574 control_ui->pack_start (control_ui->automate_button, false, false);
576 control_ui->button->signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_port_toggled), control_ui));
577 control_ui->automate_button.signal_clicked().connect (bind (mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui, (uint32_t) port_index));
579 mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::toggle_parameter_changed, this, control_ui), gui_context());
580 mcontrol->alist()->automation_state_changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui), gui_context());
582 if (plugin->get_parameter (port_index) > 0.5){
583 control_ui->button->set_active(true);
586 automation_state_changed (control_ui);
591 /* create the controller */
594 control_ui->controller = AutomationController::create(insert, mcontrol->parameter(), mcontrol);
597 /* XXX this code is not right yet, because it doesn't handle
598 the absence of bounds in any sensible fashion.
601 Adjustment* adj = control_ui->controller->adjustment();
602 boost::shared_ptr<PluginInsert::PluginControl> pc = boost::dynamic_pointer_cast<PluginInsert::PluginControl> (control_ui->control);
604 adj->set_lower (pc->internal_to_interface (desc.lower));
605 adj->set_upper (pc->internal_to_interface (desc.upper));
607 adj->set_step_increment (desc.step);
608 adj->set_page_increment (desc.largestep);
610 if (desc.integer_step) {
611 control_ui->clickbox = new ClickBox (adj, "PluginUIClickBox");
612 Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2);
613 control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::integer_printer), control_ui));
615 //sigc::slot<void,char*,uint32_t> pslot = sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::print_parameter), (uint32_t) port_index);
617 control_ui->controller->set_size_request (200, req.height);
618 control_ui->controller->set_name (X_("PluginSlider"));
619 control_ui->controller->set_style (BarController::LeftToRight);
620 control_ui->controller->set_use_parent (true);
621 control_ui->controller->set_logarithmic (desc.logarithmic);
623 control_ui->controller->StartGesture.connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::start_touch), control_ui));
624 control_ui->controller->StopGesture.connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::stop_touch), control_ui));
628 adj->set_value (pc->internal_to_interface (plugin->get_parameter (port_index)));
630 /* XXX memory leak: SliderController not destroyed by ControlUI
631 destructor, and manage() reports object hierarchy
635 control_ui->pack_start (control_ui->label, true, true);
636 if (desc.integer_step) {
637 control_ui->pack_start (*control_ui->clickbox, false, false);
639 control_ui->pack_start (*control_ui->controller, false, false);
642 control_ui->pack_start (control_ui->automate_button, false, false);
643 control_ui->automate_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui, (uint32_t) port_index));
645 automation_state_changed (control_ui);
647 mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::ui_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());
650 input_controls.push_back (control_ui);
652 } else if (plugin->parameter_is_output (port_index)) {
654 control_ui->display = manage (new EventBox);
655 control_ui->display->set_name ("ParameterValueDisplay");
657 control_ui->display_label = manage (new Label);
659 control_ui->display_label->set_name ("ParameterValueDisplay");
661 control_ui->display->add (*control_ui->display_label);
662 Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->display, "-888.8g", 2, 6);
664 control_ui->display->show_all ();
667 /* TODO: only make a meter if the port is Hinted for it */
669 MeterInfo * info = new MeterInfo(port_index);
670 control_ui->meterinfo = info;
672 info->meter = new FastMeter (
673 5, 5, FastMeter::Vertical, 0,
675 0x008800ff, 0x008800ff,
676 0x00ff00ff, 0x00ff00ff,
677 0xcccc00ff, 0xcccc00ff,
678 0xffaa00ff, 0xffaa00ff,
680 ARDOUR_UI::config()->canvasvar_MeterBackgroundBot.get(),
681 ARDOUR_UI::config()->canvasvar_MeterBackgroundTop.get()
684 info->min_unbound = desc.min_unbound;
685 info->max_unbound = desc.max_unbound;
687 info->min = desc.lower;
688 info->max = desc.upper;
690 control_ui->vbox = manage (new VBox);
691 control_ui->hbox = manage (new HBox);
693 control_ui->hbox->set_spacing(1);
694 control_ui->vbox->set_spacing(3);
696 control_ui->label.set_angle(90);
697 control_ui->hbox->pack_start (control_ui->label, false, false);
698 control_ui->hbox->pack_start (*info->meter, false, false);
700 control_ui->vbox->pack_start (*control_ui->hbox, false, false);
702 control_ui->vbox->pack_start (*control_ui->display, false, false);
704 control_ui->pack_start (*control_ui->vbox);
706 control_ui->meterinfo->meter->show_all();
707 control_ui->meterinfo->packed = true;
709 output_controls.push_back (control_ui);
713 mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::ui_parameter_changed, this, control_ui), gui_context());
720 GenericPluginUI::start_touch (GenericPluginUI::ControlUI* cui)
722 cui->control->start_touch (cui->control->session().transport_frame());
726 GenericPluginUI::stop_touch (GenericPluginUI::ControlUI* cui)
728 cui->control->stop_touch (false, cui->control->session().transport_frame());
732 GenericPluginUI::astate_clicked (ControlUI* cui, uint32_t /*port*/)
734 using namespace Menu_Helpers;
736 if (automation_menu == 0) {
737 automation_menu = manage (new Menu);
738 automation_menu->set_name ("ArdourContextMenu");
741 MenuList& items (automation_menu->items());
744 items.push_back (MenuElem (S_("Automation|Manual"),
745 sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) ARDOUR::Off, cui)));
746 items.push_back (MenuElem (_("Play"),
747 sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Play, cui)));
748 items.push_back (MenuElem (_("Write"),
749 sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Write, cui)));
750 items.push_back (MenuElem (_("Touch"),
751 sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Touch, cui)));
753 automation_menu->popup (1, gtk_get_current_event_time());
757 GenericPluginUI::set_automation_state (AutoState state, ControlUI* cui)
759 insert->set_parameter_automation_state (cui->parameter(), state);
763 GenericPluginUI::toggle_parameter_changed (ControlUI* cui)
765 float val = cui->control->get_value();
767 if (!cui->ignore_change) {
769 cui->button->set_active (true);
771 cui->button->set_active (false);
777 GenericPluginUI::ui_parameter_changed (ControlUI* cui)
779 if (!cui->update_pending) {
780 cui->update_pending = true;
781 Gtkmm2ext::UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&GenericPluginUI::update_control_display, this, cui));
786 GenericPluginUI::update_control_display (ControlUI* cui)
788 /* XXX how do we handle logarithmic stuff here ? */
790 cui->update_pending = false;
792 float val = cui->control->get_value();
794 cui->ignore_change++;
796 if (cui->combo && cui->scale_points) {
797 for (ARDOUR::Plugin::ScalePoints::iterator it = cui->scale_points->begin(); it != cui->scale_points->end(); ++it) {
798 if (it->second == val) {
799 cui->combo->set_active_text(it->first);
803 } else if (cui->button) {
806 cui->button->set_active (true);
808 cui->button->set_active (false);
812 if( cui->controller ) {
813 cui->controller->display_effective_value();
818 if (cui->logarithmic) {
821 if (val != cui->adjustment->get_value()) {
822 cui->adjustment->set_value (val);
825 cui->ignore_change--;
829 GenericPluginUI::control_port_toggled (ControlUI* cui)
831 cui->ignore_change++;
832 insert->automation_control (cui->parameter())->set_value (cui->button->get_active());
833 cui->ignore_change--;
837 GenericPluginUI::control_combo_changed (ControlUI* cui)
839 if (!cui->ignore_change && cui->scale_points) {
840 string value = cui->combo->get_active_text();
841 insert->automation_control (cui->parameter())->set_value ((*cui->scale_points)[value]);
846 GenericPluginUI::start_updating (GdkEventAny*)
848 if (output_controls.size() > 0 ) {
849 screen_update_connection.disconnect();
850 screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
851 (sigc::mem_fun(*this, &GenericPluginUI::output_update));
857 GenericPluginUI::stop_updating (GdkEventAny*)
859 for (vector<ControlUI*>::iterator i = input_controls.begin(); i != input_controls.end(); ++i) {
860 (*i)->controller->stop_updating ();
863 if (output_controls.size() > 0 ) {
864 screen_update_connection.disconnect();
871 GenericPluginUI::output_update ()
873 for (vector<ControlUI*>::iterator i = output_controls.begin(); i != output_controls.end(); ++i) {
874 float val = plugin->get_parameter ((*i)->port_index);
876 snprintf (buf, sizeof(buf), "%.2f", val);
877 (*i)->display_label->set_text (buf);
879 /* autoscaling for the meter */
880 if ((*i)->meterinfo && (*i)->meterinfo->packed) {
882 if (val < (*i)->meterinfo->min) {
883 if ((*i)->meterinfo->min_unbound)
884 (*i)->meterinfo->min = val;
886 val = (*i)->meterinfo->min;
889 if (val > (*i)->meterinfo->max) {
890 if ((*i)->meterinfo->max_unbound)
891 (*i)->meterinfo->max = val;
893 val = (*i)->meterinfo->max;
896 if ((*i)->meterinfo->max > (*i)->meterinfo->min ) {
897 float lval = (val - (*i)->meterinfo->min) / ((*i)->meterinfo->max - (*i)->meterinfo->min) ;
898 (*i)->meterinfo->meter->set (lval );