yet another multi-ABI bundle installer fix
[ardour.git] / 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/unwind.h"
32 #include "pbd/xml++.h"
33 #include "pbd/failed_constructor.h"
34
35 #include <gtkmm2ext/click_box.h>
36 #include <gtkmm2ext/fastmeter.h>
37 #include <gtkmm2ext/barcontroller.h>
38 #include <gtkmm2ext/utils.h>
39 #include <gtkmm2ext/doi.h>
40 #include <gtkmm2ext/slider_controller.h>
41
42 #include "ardour/plugin.h"
43 #include "ardour/plugin_insert.h"
44 #include "ardour/session.h"
45 #include "ardour/value_as_string.h"
46
47 #include "prompter.h"
48 #include "plugin_ui.h"
49 #include "gui_thread.h"
50 #include "automation_controller.h"
51 #include "ardour_knob.h"
52 #include "gain_meter.h"
53 #include "timers.h"
54 #include "tooltips.h"
55 #include "ui_config.h"
56
57 #include "pbd/i18n.h"
58
59 using namespace std;
60 using namespace ARDOUR;
61 using namespace PBD;
62 using namespace Gtkmm2ext;
63 using namespace Gtk;
64 using namespace ARDOUR_UI_UTILS;
65
66 GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrollable)
67         : PlugUIBase (pi)
68         , automation_menu (0)
69         , is_scrollable(scrollable)
70 {
71         set_name ("PluginEditor");
72         set_border_width (10);
73         //set_homogeneous (false);
74
75         pack_start (main_contents, true, true);
76         settings_box.set_homogeneous (false);
77
78         HBox* constraint_hbox = manage (new HBox);
79         HBox* smaller_hbox = manage (new HBox);
80         HBox* automation_hbox = manage (new HBox);
81         smaller_hbox->set_spacing (4);
82         automation_hbox->set_spacing (6);
83         Label* combo_label = manage (new Label (_("<span size=\"large\">Presets</span>")));
84         combo_label->set_use_markup (true);
85
86         latency_button.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, 4);
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 (reset_button, false, false, 4);
96         smaller_hbox->pack_start (bypass_button, false, true, 4);
97
98         automation_manual_all_button.set_text(_("Manual"));
99         automation_manual_all_button.set_name (X_("generic button"));
100         automation_play_all_button.set_text(_("Play"));
101         automation_play_all_button.set_name (X_("generic button"));
102         automation_write_all_button.set_text(_("Write"));
103         automation_write_all_button.set_name (X_("generic button"));
104         automation_touch_all_button.set_text(_("Touch"));
105         automation_touch_all_button.set_name (X_("generic button"));
106
107         Label* l = manage (new Label (_("All Automation")));
108         l->set_alignment (1.0, 0.5);
109         automation_hbox->pack_start (*l, true, true);
110         automation_hbox->pack_start (automation_manual_all_button, false, false);
111         automation_hbox->pack_start (automation_play_all_button, false, false);
112         automation_hbox->pack_start (automation_write_all_button, false, false);
113         automation_hbox->pack_start (automation_touch_all_button, false, false);
114
115         constraint_hbox->set_spacing (5);
116         constraint_hbox->set_homogeneous (false);
117
118         VBox* v1_box = manage (new VBox);
119         VBox* v2_box = manage (new VBox);
120         pack_end (plugin_analysis_expander, false, false);
121         if (!plugin->get_docs().empty()) {
122                 pack_end (description_expander, false, false);
123         }
124
125         v1_box->set_spacing (6);
126         v1_box->pack_start (*smaller_hbox, false, true);
127         v1_box->pack_start (*automation_hbox, false, true);
128         v2_box->pack_start (focus_button, false, true);
129
130         main_contents.pack_start (settings_box, false, false);
131
132         constraint_hbox->pack_end (*v2_box, false, false);
133         constraint_hbox->pack_end (*v1_box, false, false);
134
135         main_contents.pack_start (*constraint_hbox, false, false);
136
137         if (is_scrollable) {
138                 Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow());
139                 scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
140                 scroller->set_name ("PluginEditor");
141                 scroller->add (hpacker);
142                 main_contents.pack_start (*scroller, true, true);
143         } else {
144                 main_contents.pack_start (hpacker, false, false);
145         }
146
147         pi->ActiveChanged.connect (active_connection, invalidator (*this), boost::bind (&GenericPluginUI::processor_active_changed, this, boost::weak_ptr<Processor>(pi)), gui_context());
148
149         bypass_button.set_active (!pi->enabled());
150
151         prefheight = 0;
152         build ();
153
154         /* Listen for property changes that are not notified normally because
155          * AutomationControl has only support for numeric values currently.
156          * The only case is Variant::PATH for now */
157         plugin->PropertyChanged.connect(*this, invalidator(*this),
158                                         boost::bind(&GenericPluginUI::path_property_changed, this, _1, _2),
159                                         gui_context());
160
161         main_contents.show ();
162 }
163
164 GenericPluginUI::~GenericPluginUI ()
165 {
166         if (output_controls.size() > 0) {
167                 screen_update_connection.disconnect();
168         }
169 }
170
171 // Some functions for calculating the 'similarity' of two plugin
172 // control labels.
173
174 static int get_number(string label) {
175 static const char *digits = "0123456789";
176 int value = -1;
177
178         std::size_t first_digit_pos = label.find_first_of(digits);
179         if (first_digit_pos != string::npos) {
180                 // found some digits: there's a number in there somewhere
181                 stringstream s;
182                 s << label.substr(first_digit_pos);
183                 s >> value;
184         }
185         return value;
186 }
187
188 static int match_or_digit(char c1, char c2) {
189         return c1 == c2 || (isdigit(c1) && isdigit(c2));
190 }
191
192 static std::size_t matching_chars_at_head(const string s1, const string s2) {
193 std::size_t length, n = 0;
194
195         length = min(s1.length(), s2.length());
196         while (n < length) {
197                 if (!match_or_digit(s1[n], s2[n]))
198                         break;
199                 n++;
200         }
201         return n;
202 }
203
204 static std::size_t matching_chars_at_tail(const string s1, const string s2) {
205 std::size_t s1pos, s2pos, n = 0;
206
207         s1pos = s1.length();
208         s2pos = s2.length();
209         while (s1pos-- > 0 && s2pos-- > 0) {
210                 if (!match_or_digit(s1[s1pos], s2[s2pos])       )
211                         break;
212                 n++;
213         }
214         return n;
215 }
216
217 static const guint32 min_controls_per_column = 17, max_controls_per_column = 24;
218 static const float default_similarity_threshold = 0.3;
219
220 void
221 GenericPluginUI::build ()
222 {
223         std::vector<ControlUI *> control_uis;
224         bool grid = true;
225
226         // Build a ControlUI for each control port
227         for (size_t i = 0; i < plugin->parameter_count(); ++i) {
228
229                 if (plugin->parameter_is_control (i)) {
230
231                         /* Don't show latency control ports */
232
233                         const Evoral::Parameter param(PluginAutomation, 0, i);
234                         if (plugin->describe_parameter (param) == X_("latency")) {
235                                 continue;
236                         }
237
238                         if (plugin->describe_parameter (param) == X_("hidden")) {
239                                 continue;
240                         }
241
242                         const float value = plugin->get_parameter(i);
243
244                         ControlUI* cui;
245                         Plugin::UILayoutHint hint;
246
247                         if (!plugin->get_layout(i, hint)) {
248                                 grid = false;
249                         }
250
251                         boost::shared_ptr<ARDOUR::AutomationControl> c
252                                 = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
253                                         insert->control(param));
254
255                         ParameterDescriptor desc;
256                         plugin->get_parameter_descriptor(i, desc);
257                         if ((cui = build_control_ui (param, desc, c, value, plugin->parameter_is_input(i), hint.knob)) == 0) {
258                                 error << string_compose(_("Plugin Editor: could not build control element for port %1"), i) << endmsg;
259                                 continue;
260                         }
261
262                         if (grid) {
263                                 cui->x0 = hint.x0;
264                                 cui->x1 = hint.x1;
265                                 cui->y0 = hint.y0;
266                                 cui->y1 = hint.y1;
267                         }
268
269                         const std::string param_docs = plugin->get_parameter_docs(i);
270                         if (!param_docs.empty()) {
271                                 set_tooltip(cui, param_docs.c_str());
272                         }
273
274                         control_uis.push_back(cui);
275                 }
276         }
277
278         // Build a ControlUI for each property
279         const Plugin::PropertyDescriptors& descs = plugin->get_supported_properties();
280         for (Plugin::PropertyDescriptors::const_iterator d = descs.begin(); d != descs.end(); ++d) {
281                 const ParameterDescriptor& desc = d->second;
282                 const Evoral::Parameter    param(PluginPropertyAutomation, 0, desc.key);
283
284                 boost::shared_ptr<ARDOUR::AutomationControl> c
285                         = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
286                                 insert->control(param));
287
288                 if (!c) {
289                         error << string_compose(_("Plugin Editor: no control for property %1"), desc.key) << endmsg;
290                         continue;
291                 }
292
293                 ControlUI* cui = build_control_ui(param, desc, c, c->get_value(), true);
294                 if (!cui) {
295                         error << string_compose(_("Plugin Editor: could not build control element for property %1"),
296                                                 desc.key) << endmsg;
297                         continue;
298                 }
299
300                 control_uis.push_back(cui);
301         }
302         if (!descs.empty()) {
303                 plugin->announce_property_values();
304         }
305
306         if (grid) {
307                 custom_layout (control_uis);
308         } else {
309                 automatic_layout (control_uis);
310         }
311
312         output_update ();
313
314         automation_manual_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Off));
315         automation_play_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Play));
316         automation_write_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Write));
317         automation_touch_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Touch));
318
319         /* XXX This is a workaround for AutomationControl not knowing about preset loads */
320         plugin->PresetLoaded.connect (*this, invalidator (*this), boost::bind (&GenericPluginUI::update_input_displays, this), gui_context ());
321 }
322
323
324 void
325 GenericPluginUI::automatic_layout (const std::vector<ControlUI*>& control_uis)
326 {
327         guint32 x = 0;
328
329         static const int32_t initial_button_rows = 12;
330         static const int32_t initial_button_cols = 1;
331         static const int32_t initial_output_rows = 1;
332         static const int32_t initial_output_cols = 4;
333
334         Gtk::Table* button_table = manage (new Gtk::Table (initial_button_rows, initial_button_cols));
335         Gtk::Table* output_table = manage (new Gtk::Table (initial_output_rows, initial_output_cols));
336
337         Frame* frame;
338         Frame* bt_frame;
339         VBox* box;
340         int output_row, output_col;
341         int button_row, button_col;
342         int output_rows, output_cols;
343         int button_rows, button_cols;
344
345         hpacker.set_spacing (10);
346         hpacker.set_border_width (10);
347
348         output_rows = initial_output_rows;
349         output_cols = initial_output_cols;
350         button_rows = initial_button_rows;
351         button_cols = initial_button_cols;
352         output_row = 0;
353         button_row = 0;
354         output_col = 0;
355         button_col = 0;
356
357         button_table->set_homogeneous (false);
358         button_table->set_row_spacings (2);
359         button_table->set_col_spacings (2);
360         output_table->set_homogeneous (true);
361         output_table->set_row_spacings (2);
362         output_table->set_col_spacings (2);
363         button_table->set_border_width (5);
364         output_table->set_border_width (5);
365
366
367         bt_frame = manage (new Frame);
368         bt_frame->set_name ("BaseFrame");
369         bt_frame->set_label (_("Switches"));
370         bt_frame->add (*button_table);
371         hpacker.pack_start(*bt_frame, true, true);
372
373         box = manage (new VBox);
374         box->set_border_width (5);
375         box->set_spacing (1);
376
377         frame = manage (new Frame);
378         frame->set_name ("BaseFrame");
379         frame->set_label (_("Controls"));
380         frame->add (*box);
381         hpacker.pack_start(*frame, true, true);
382
383         // Add special controls to UI, and build list of normal controls to be layed out later
384         std::vector<ControlUI *> cui_controls_list;
385         for (size_t i = 0; i < control_uis.size(); ++i) {
386                 ControlUI* cui = control_uis[i];
387
388                 if (cui->button || cui->file_button) {
389
390                         if (!is_scrollable && button_row == button_rows) {
391                                 button_row = 0;
392                                 if (++button_col == button_cols) {
393                                         button_cols += 2;
394                                         button_table->resize (button_rows, button_cols);
395                                 }
396                         }
397
398                         button_table->attach (*cui, button_col, button_col + 1, button_row, button_row+1,
399                                              FILL|EXPAND, FILL);
400                         button_row++;
401
402                 } else if (cui->controller || cui->clickbox || cui->combo) {
403                         // Get all of the controls into a list, so that
404                         // we can lay them out a bit more nicely later.
405                         cui_controls_list.push_back(cui);
406
407                 } else if (cui->display) {
408
409                         output_table->attach (*cui, output_col, output_col + 1, output_row, output_row+1,
410                                              FILL|EXPAND, FILL);
411
412                         // TODO: The meters should be divided into multiple rows
413
414                         if (++output_col == output_cols) {
415                                 output_cols ++;
416                                 output_table->resize (output_rows, output_cols);
417                         }
418                 }
419         }
420
421         // Iterate over the list of controls to find which adjacent controls
422         // are similar enough to be grouped together.
423
424         string label, previous_label = "";
425         std::vector<int> numbers_in_labels(cui_controls_list.size());
426
427         std::vector<float> similarity_scores(cui_controls_list.size());
428         float most_similar = 0.0, least_similar = 1.0;
429
430         size_t i = 0;
431         for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
432                 label = (*cuip)->label.get_text();
433                 numbers_in_labels[i] = get_number(label);
434
435                 if (i > 0) {
436                         // A hand-wavy calculation of how similar this control's
437                         // label is to the previous.
438                         similarity_scores[i] =
439                                 (float) (
440                                         ( matching_chars_at_head(label, previous_label) +
441                                           matching_chars_at_tail(label, previous_label) +
442                                           1
443                                         )
444                                 ) / (label.length() + previous_label.length());
445                         if (numbers_in_labels[i] >= 0) {
446                                 similarity_scores[i] += (numbers_in_labels[i] == numbers_in_labels[i-1]);
447                         }
448                         least_similar = min(least_similar, similarity_scores[i]);
449                         most_similar  = max(most_similar, similarity_scores[i]);
450                 } else {
451                         similarity_scores[0] = 1.0;
452                 }
453
454                 // cerr << "label: " << label << " sim: " << fixed << setprecision(3) << similarity_scores[i] << " num: " << numbers_in_labels[i] << endl;
455                 previous_label = label;
456         }
457
458
459         // cerr << "most similar: " << most_similar << ", least similar: " << least_similar << endl;
460         float similarity_threshold;
461
462         if (most_similar > 1.0) {
463                 similarity_threshold = default_similarity_threshold;
464         } else {
465                 similarity_threshold = most_similar - (1 - default_similarity_threshold);
466         }
467
468         // Now iterate over the list of controls to display them, placing an
469         // HSeparator between controls of less than a certain similarity, and
470         // starting a new column when necessary.
471
472         i = 0;
473         for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
474
475                 ControlUI* cui = *cuip;
476
477                 if (!is_scrollable) {
478                         x++;
479                 }
480
481                 if (x > max_controls_per_column || similarity_scores[i] <= similarity_threshold) {
482                         if (x > min_controls_per_column) {
483                                 frame = manage (new Frame);
484                                 frame->set_name ("BaseFrame");
485                                 frame->set_label (_("Controls"));
486                                 box = manage (new VBox);
487                                 box->set_border_width (5);
488                                 box->set_spacing (1);
489                                 frame->add (*box);
490                                 hpacker.pack_start(*frame, true, true);
491                                 x = 0;
492                         } else {
493                                 HSeparator *split = new HSeparator();
494                                 split->set_size_request(-1, 5);
495                                 box->pack_start(*split, false, false, 0);
496                         }
497
498                 }
499                 box->pack_start (*cui, false, false);
500         }
501
502         if (is_scrollable) {
503                 prefheight = 30 * i;
504         }
505
506         if (box->children().empty()) {
507                 hpacker.remove (*frame);
508         }
509
510         if (button_table->children().empty()) {
511                 hpacker.remove (*bt_frame);
512                 delete button_table;
513         } else {
514                 button_table->show_all ();
515         }
516
517         if (!output_table->children().empty()) {
518                 frame = manage (new Frame);
519                 frame->set_name ("BaseFrame");
520                 frame->set_label(_("Meters"));
521                 frame->add (*output_table);
522                 hpacker.pack_end (*frame, true, true);
523                 output_table->show_all ();
524         } else {
525                 delete output_table;
526         }
527 }
528
529 void
530 GenericPluginUI::custom_layout (const std::vector<ControlUI*>& control_uis)
531 {
532         Gtk::Table* layout = manage (new Gtk::Table ());
533
534         for (vector<ControlUI*>::const_iterator i = control_uis.begin(); i != control_uis.end(); ++i) {
535                 ControlUI* cui = *i;
536                 if (cui->x0 < 0 || cui->y0 < 0) {
537                         continue;
538                 }
539                 layout->attach (*cui, cui->x0, cui->x1, cui->y0, cui->y1, FILL, SHRINK, 2, 2);
540         }
541         hpacker.pack_start (*layout, true, true);
542 }
543
544 GenericPluginUI::ControlUI::ControlUI (const Evoral::Parameter& p)
545         : param(p)
546         , automate_button (X_("")) // force creation of a label
547         , combo (0)
548         , clickbox (0)
549         , file_button (0)
550         , spin_box (0)
551         , display (0)
552         , hbox (0)
553         , vbox (0)
554         , meterinfo (0)
555         , knobtable (0)
556 {
557         automate_button.set_name ("PluginAutomateButton");
558         set_tooltip (automate_button, _("Automation control"));
559
560         /* XXX translators: use a string here that will be at least as long
561            as the longest automation label (see ::automation_state_changed()
562            below). be sure to include a descender.
563         */
564
565         set_size_request_to_display_given_text (automate_button, _("Mgnual"), 12, 6);
566
567         ignore_change = false;
568         update_pending = false;
569         button = false;
570
571         x0 = x1 = y0 = y1 = -1;
572 }
573
574 GenericPluginUI::ControlUI::~ControlUI()
575 {
576         if (meterinfo) {
577                 delete meterinfo->meter;
578                 delete meterinfo;
579         }
580 }
581
582 void
583 GenericPluginUI::automation_state_changed (ControlUI* cui)
584 {
585         /* update button label */
586
587         // don't lock to avoid deadlock because we're triggered by
588         // AutomationControl::Changed() while the automation lock is taken
589
590         if (cui->knobtable) {
591                 cui->automate_button.set_text (
592                                 GainMeterBase::astate_string (
593                                         insert->get_parameter_automation_state (cui->parameter()))
594                                 );
595                 return;
596         }
597
598         switch (insert->get_parameter_automation_state (cui->parameter()) & (ARDOUR::Off|Play|Touch|Write)) {
599         case ARDOUR::Off:
600                 cui->automate_button.set_text (S_("Automation|Manual"));
601                 break;
602         case Play:
603                 cui->automate_button.set_text (_("Play"));
604                 break;
605         case Write:
606                 cui->automate_button.set_text (_("Write"));
607                 break;
608         case Touch:
609                 cui->automate_button.set_text (_("Touch"));
610                 break;
611         default:
612                 cui->automate_button.set_text (_("???"));
613                 break;
614         }
615 }
616
617 bool
618 GenericPluginUI::integer_printer (char buf[32], Adjustment &adj, ControlUI* cui)
619 {
620         float const        v   = cui->control->interface_to_internal(adj.get_value ());
621         const std::string& str = ARDOUR::value_as_string(cui->control->desc(), Variant(v));
622         const size_t       len = str.copy(buf, 31);
623         buf[len] = '\0';
624         return true;
625 }
626
627 bool
628 GenericPluginUI::midinote_printer (char buf[32], Adjustment &adj, ControlUI* cui)
629 {
630         float const        v   = cui->control->interface_to_internal(adj.get_value ());
631         const std::string& str = ARDOUR::value_as_string(cui->control->desc(), Variant(v));
632         const size_t       len = str.copy(buf, 31);
633         buf[len] = '\0';
634         return true;
635 }
636
637 void
638 GenericPluginUI::print_parameter (char *buf, uint32_t len, uint32_t param)
639 {
640         plugin->print_parameter (param, buf, len);
641 }
642
643 /** Build a ControlUI for a parameter/property.
644  * Note that mcontrol may be NULL for outputs.
645  */
646 GenericPluginUI::ControlUI*
647 GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
648                                    const ParameterDescriptor&           desc,
649                                    boost::shared_ptr<AutomationControl> mcontrol,
650                                    float                                value,
651                                    bool                                 is_input,
652                                    bool                                 use_knob)
653 {
654         ControlUI* control_ui = 0;
655
656         control_ui = manage (new ControlUI (param));
657         control_ui->combo = 0;
658         control_ui->control = mcontrol;
659         control_ui->label.set_text (desc.label);
660         control_ui->label.set_alignment (0.0, 0.5);
661         control_ui->label.set_name ("PluginParameterLabel");
662         control_ui->set_spacing (5);
663
664         Gtk::Requisition req (control_ui->automate_button.size_request());
665
666         if (is_input) {
667
668                 if (desc.datatype == Variant::PATH) {
669
670                         /* We shouldn't get that type for input ports */
671                         assert(param.type() == PluginPropertyAutomation);
672
673                         /* Build a file selector button */
674
675                         // Create/add controller
676                         control_ui->file_button = manage(new Gtk::FileChooserButton(Gtk::FILE_CHOOSER_ACTION_OPEN));
677                         control_ui->file_button->set_title(desc.label);
678
679                         if (use_knob) {
680                                 control_ui->knobtable = manage (new Table());
681                                 control_ui->pack_start(*control_ui->knobtable, true, false);
682                                 control_ui->knobtable->attach (control_ui->label, 0, 1, 0, 1);
683                                 control_ui->knobtable->attach (*control_ui->file_button, 0, 1, 1, 2);
684                         } else {
685                                 control_ui->pack_start (control_ui->label, false, true);
686                                 control_ui->pack_start (*control_ui->file_button, true, true);
687                         }
688
689                         // Monitor changes from the user.
690                         control_ui->file_button->signal_file_set().connect(
691                                 sigc::bind(sigc::mem_fun(*this, &GenericPluginUI::set_path_property),
692                                            desc, control_ui->file_button));
693
694                         /* Add the filebutton control to a map so that we can update it when
695                          * the corresponding property changes. This doesn't go through the usual
696                          * AutomationControls, because they don't support non-numeric values. */
697                         _filepath_controls.insert(std::make_pair(desc.key, control_ui->file_button));
698
699                         return control_ui;
700                 }
701
702                 assert(mcontrol);
703
704                 /* See if there any named values for our input value */
705                 control_ui->scale_points = desc.scale_points;
706
707                 /* If this parameter is an integer, work out the number of distinct values
708                    it can take on (assuming that lower and upper values are allowed).
709                 */
710                 int const steps = desc.integer_step ? (desc.upper - desc.lower + 1) / desc.step : 0;
711
712                 if (control_ui->scale_points && ((steps && int (control_ui->scale_points->size()) == steps) || desc.enumeration)) {
713
714                         /* Either:
715                          *   a) There is a label for each possible value of this input, or
716                          *   b) This port is marked as being an enumeration.
717                          */
718
719                         control_ui->combo = new ArdourDropdown();
720                         for (ARDOUR::ScalePoints::const_iterator i = control_ui->scale_points->begin();
721                              i != control_ui->scale_points->end();
722                              ++i) {
723                                 control_ui->combo->AddMenuElem(Menu_Helpers::MenuElem(
724                                                 i->first,
725                                                 sigc::bind(sigc::mem_fun(*this, &GenericPluginUI::control_combo_changed),
726                                                            control_ui,
727                                                            i->second)));
728                         }
729
730                         update_control_display(control_ui);
731
732                 } else {
733
734                         /* create the controller */
735
736                         /* XXX memory leak: SliderController not destroyed by ControlUI
737                          * destructor, and manage() reports object hierarchy
738                          * ambiguity.
739                          */
740                         control_ui->controller = AutomationController::create(insert, mcontrol->parameter(), desc, mcontrol, use_knob);
741
742                         /* Control UI's don't need the rapid timer workaround */
743                         control_ui->controller->stop_updating ();
744
745                         /* XXX this code is not right yet, because it doesn't handle
746                            the absence of bounds in any sensible fashion.
747                         */
748
749                         Adjustment* adj = control_ui->controller->adjustment();
750
751                         if (desc.integer_step && !desc.toggled) {
752                                 control_ui->clickbox = new ClickBox (adj, "PluginUIClickBox", true);
753                                 Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2);
754                                 if (desc.unit == ParameterDescriptor::MIDI_NOTE) {
755                                         control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::midinote_printer), control_ui));
756                                 } else {
757                                         control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::integer_printer), control_ui));
758                                 }
759                         } else if (desc.toggled) {
760                                 control_ui->controller->set_size_request (req.height, req.height);
761                         } else if (use_knob) {
762                                 control_ui->controller->set_size_request (req.height * 1.5, req.height * 1.5);
763                         } else {
764                                 control_ui->controller->set_size_request (200, req.height);
765                                 control_ui->controller->set_name (X_("ProcessorControlSlider"));
766                         }
767
768                         if (!desc.integer_step && !desc.toggled && use_knob) {
769                                 control_ui->spin_box = manage (new ArdourSpinner (mcontrol, adj, insert));
770                         }
771
772                         adj->set_value (mcontrol->internal_to_interface(value));
773
774                 }
775
776                 if (use_knob) {
777                         set_size_request_to_display_given_text (control_ui->automate_button, "M", 2, 2);
778
779                         control_ui->label.set_alignment (0.5, 0.5);
780                         control_ui->knobtable = manage (new Table());
781                         control_ui->pack_start(*control_ui->knobtable, true, true);
782
783                         if (control_ui->combo) {
784                                 control_ui->knobtable->attach (control_ui->label, 0, 1, 0, 1);
785                                 control_ui->knobtable->attach (*control_ui->combo, 0, 1, 1, 2);
786                         } else if (control_ui->clickbox) {
787                                 control_ui->knobtable->attach (*control_ui->clickbox, 0, 2, 0, 1);
788                                 control_ui->knobtable->attach (control_ui->label, 0, 1, 1, 2, FILL, SHRINK);
789                                 control_ui->knobtable->attach (control_ui->automate_button, 1, 2, 1, 2, SHRINK, SHRINK, 2, 0);
790                         } else if (control_ui->spin_box) {
791                                 ArdourKnob* knob = dynamic_cast<ArdourKnob*>(control_ui->controller->widget ());
792                                 knob->set_tooltip_prefix (desc.label + ": ");
793                                 knob->set_printer (insert);
794                                 Alignment *align = manage (new Alignment (.5, .5, 0, 0));
795                                 align->add (*control_ui->controller);
796                                 control_ui->knobtable->attach (*align, 0, 1, 0, 1, EXPAND, SHRINK, 1, 2);
797                                 control_ui->knobtable->attach (*control_ui->spin_box, 0, 2, 1, 2);
798                                 control_ui->knobtable->attach (control_ui->automate_button, 1, 2, 0, 1, SHRINK, SHRINK, 2, 0);
799                         } else if (desc.toggled) {
800                                 Alignment *align = manage (new Alignment (.5, .5, 0, 0));
801                                 align->add (*control_ui->controller);
802                                 control_ui->knobtable->attach (*align, 0, 2, 0, 1, EXPAND, SHRINK, 2, 2);
803                                 control_ui->knobtable->attach (control_ui->label, 0, 1, 1, 2, FILL, SHRINK);
804                                 control_ui->knobtable->attach (control_ui->automate_button, 1, 2, 1, 2, SHRINK, SHRINK, 2, 0);
805                         } else {
806                                 control_ui->knobtable->attach (*control_ui->controller, 0, 2, 0, 1);
807                                 control_ui->knobtable->attach (control_ui->label, 0, 1, 1, 2, FILL, SHRINK);
808                                 control_ui->knobtable->attach (control_ui->automate_button, 1, 2, 1, 2, SHRINK, SHRINK, 2, 0);
809                         }
810
811                 } else {
812
813                         control_ui->pack_start (control_ui->label, true, true);
814                         if (control_ui->combo) {
815                                 control_ui->pack_start(*control_ui->combo, false, true);
816                         } else if (control_ui->clickbox) {
817                                 control_ui->pack_start (*control_ui->clickbox, false, false);
818                         } else if (control_ui->spin_box) {
819                                 control_ui->pack_start (*control_ui->spin_box, false, false);
820                                 control_ui->pack_start (*control_ui->controller, false, false);
821                         } else {
822                                 control_ui->pack_start (*control_ui->controller, false, false);
823                         }
824                         control_ui->pack_start (control_ui->automate_button, false, false);
825                 }
826
827
828                 if (mcontrol->flags () & Controllable::NotAutomatable) {
829                         control_ui->automate_button.set_sensitive (false);
830                         set_tooltip(control_ui->automate_button, _("This control cannot be automated"));
831                 } else {
832                         control_ui->automate_button.signal_clicked.connect (sigc::bind (
833                                                 sigc::mem_fun(*this, &GenericPluginUI::astate_clicked),
834                                                 control_ui));
835                         mcontrol->alist()->automation_state_changed.connect (
836                                         control_connections,
837                                         invalidator (*this),
838                                         boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui),
839                                         gui_context());
840                         input_controls_with_automation.push_back (control_ui);
841                 }
842
843                 if (desc.toggled) {
844                         control_ui->button = true;
845                         ArdourButton* but = dynamic_cast<ArdourButton*>(control_ui->controller->widget ());
846                         assert (but);
847                         but->set_name ("pluginui toggle");
848                         update_control_display(control_ui);
849                 }
850
851                 automation_state_changed (control_ui);
852
853                 /* Add to the list of CUIs that need manual update to workaround
854                  * AutomationControl not knowing about preset loads */
855                 input_controls.push_back (control_ui);
856
857         } else {
858
859                 control_ui->display = manage (new EventBox);
860                 control_ui->display->set_name ("ParameterValueDisplay");
861
862                 control_ui->display_label = manage (new Label);
863
864                 control_ui->display_label->set_name ("ParameterValueDisplay");
865
866                 control_ui->display->add (*control_ui->display_label);
867                 Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->display, "-888.8g", 2, 6);
868
869                 control_ui->display->show_all ();
870
871                 control_ui->vbox = manage (new VBox);
872                 control_ui->vbox->set_spacing(3);
873
874                 if (desc.integer_step || desc.enumeration) {
875                         control_ui->vbox->pack_end (*control_ui->display, false, false);
876                         control_ui->vbox->pack_end (control_ui->label, false, false);
877                 } else {
878                         /* set up a meter for float ports */
879
880                         MeterInfo * info = new MeterInfo();
881                         control_ui->meterinfo = info;
882
883                         info->meter = new FastMeter (
884                                         5, 5, FastMeter::Vertical, 0,
885                                         0x0000aaff,
886                                         0x008800ff, 0x008800ff,
887                                         0x00ff00ff, 0x00ff00ff,
888                                         0xcccc00ff, 0xcccc00ff,
889                                         0xffaa00ff, 0xffaa00ff,
890                                         0xff0000ff,
891                                         UIConfiguration::instance().color ("meter background bottom"),
892                                         UIConfiguration::instance().color ("meter background top")
893                                         );
894
895                         info->min_unbound = desc.min_unbound;
896                         info->max_unbound = desc.max_unbound;
897
898                         info->min = desc.lower;
899                         info->max = desc.upper;
900
901                         control_ui->label.set_angle(90);
902
903                         HBox* center =  manage (new HBox);
904                         center->set_spacing(1);
905                         center->pack_start (control_ui->label, false, false);
906                         center->pack_start (*info->meter, false, false);
907
908                         control_ui->hbox = manage (new HBox);
909                         control_ui->hbox->pack_start (*center, true, false);
910
911                         // horizontally center this hbox in the vbox
912                         control_ui->vbox->pack_start (*control_ui->hbox, false, false);
913
914                         control_ui->meterinfo->meter->show_all();
915                         control_ui->meterinfo->packed = true;
916                         control_ui->vbox->pack_start (*control_ui->display, false, false);
917                 }
918
919                 control_ui->pack_start (*control_ui->vbox);
920
921                 output_controls.push_back (control_ui);
922         }
923
924         if (mcontrol) {
925                 mcontrol->Changed.connect(control_connections, invalidator(*this),
926                                           boost::bind(&GenericPluginUI::ui_parameter_changed,
927                                                       this, control_ui),
928                                           gui_context());
929         }
930
931         return control_ui;
932 }
933
934 void
935 GenericPluginUI::astate_clicked (ControlUI* cui)
936 {
937         using namespace Menu_Helpers;
938
939         if (automation_menu == 0) {
940                 automation_menu = manage (new Menu);
941                 automation_menu->set_name ("ArdourContextMenu");
942         }
943
944         MenuList& items (automation_menu->items());
945
946         items.clear ();
947         items.push_back (MenuElem (S_("Automation|Manual"),
948                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) ARDOUR::Off, cui)));
949         items.push_back (MenuElem (_("Play"),
950                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Play, cui)));
951         items.push_back (MenuElem (_("Write"),
952                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Write, cui)));
953         items.push_back (MenuElem (_("Touch"),
954                                    sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Touch, cui)));
955
956         automation_menu->popup (1, gtk_get_current_event_time());
957 }
958
959 void
960 GenericPluginUI::set_all_automation (AutoState as)
961 {
962         for (vector<ControlUI*>::iterator i = input_controls_with_automation.begin(); i != input_controls_with_automation.end(); ++i) {
963                 if ((*i)->controller || (*i)->button) {
964                         set_automation_state (as, (*i));
965                 }
966         }
967 }
968
969 void
970 GenericPluginUI::set_automation_state (AutoState state, ControlUI* cui)
971 {
972         insert->set_parameter_automation_state (cui->parameter(), state);
973 }
974
975 void
976 GenericPluginUI::ui_parameter_changed (ControlUI* cui)
977 {
978         if (!cui->update_pending) {
979                 cui->update_pending = true;
980                 Gtkmm2ext::UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&GenericPluginUI::update_control_display, this, cui));
981         }
982 }
983
984 void
985 GenericPluginUI::update_control_display (ControlUI* cui)
986 {
987         /* XXX how do we handle logarithmic stuff here ? */
988
989         cui->update_pending = false;
990
991         float val = cui->control->get_value();
992
993         PBD::Unwinder<bool> (cui->ignore_change, true);
994
995         if (cui->combo && cui->scale_points) {
996                 for (ARDOUR::ScalePoints::iterator it = cui->scale_points->begin(); it != cui->scale_points->end(); ++it) {
997                         if (it->second == val) {
998                                 cui->combo->set_text(it->first);
999                                 break;
1000                         }
1001                 }
1002         } else if (cui->button) {
1003                 // AutomationController handles this
1004         }
1005
1006         if( cui->controller ) {
1007             cui->controller->display_effective_value();
1008         }
1009
1010
1011         /*} else {
1012                 if (cui->logarithmic) {
1013                         val = log(val);
1014                 }
1015                 if (val != cui->adjustment->get_value()) {
1016                         cui->adjustment->set_value (val);
1017                 }
1018         }*/
1019 }
1020
1021 void
1022 GenericPluginUI::update_input_displays ()
1023 {
1024         /* XXX This is a workaround for AutomationControl not knowing about preset loads */
1025         for (vector<ControlUI*>::iterator i = input_controls.begin();
1026              i != input_controls.end();
1027              ++i) {
1028                 update_control_display(*i);
1029         }
1030         return;
1031 }
1032
1033 void
1034 GenericPluginUI::control_combo_changed (ControlUI* cui, float value)
1035 {
1036         if (!cui->ignore_change) {
1037                 insert->automation_control (cui->parameter())->set_value (value, Controllable::NoGroup);
1038         }
1039 }
1040
1041 bool
1042 GenericPluginUI::start_updating (GdkEventAny*)
1043 {
1044         if (output_controls.size() > 0 ) {
1045                 screen_update_connection.disconnect();
1046                 screen_update_connection = Timers::super_rapid_connect (sigc::mem_fun(*this, &GenericPluginUI::output_update));
1047         }
1048         return false;
1049 }
1050
1051 bool
1052 GenericPluginUI::stop_updating (GdkEventAny*)
1053 {
1054         if (output_controls.size() > 0 ) {
1055                 screen_update_connection.disconnect();
1056         }
1057         return false;
1058 }
1059
1060 void
1061 GenericPluginUI::output_update ()
1062 {
1063         for (vector<ControlUI*>::iterator i = output_controls.begin(); i != output_controls.end(); ++i) {
1064                 float val = plugin->get_parameter ((*i)->parameter().id());
1065                 char buf[32];
1066                 snprintf (buf, sizeof(buf), "%.2f", val);
1067                 (*i)->display_label->set_text (buf);
1068
1069                 /* autoscaling for the meter */
1070                 if ((*i)->meterinfo && (*i)->meterinfo->packed) {
1071
1072                         if (val < (*i)->meterinfo->min) {
1073                                 if ((*i)->meterinfo->min_unbound)
1074                                         (*i)->meterinfo->min = val;
1075                                 else
1076                                         val = (*i)->meterinfo->min;
1077                         }
1078
1079                         if (val > (*i)->meterinfo->max) {
1080                                 if ((*i)->meterinfo->max_unbound)
1081                                         (*i)->meterinfo->max = val;
1082                                 else
1083                                         val = (*i)->meterinfo->max;
1084                         }
1085
1086                         if ((*i)->meterinfo->max > (*i)->meterinfo->min ) {
1087                                 float lval = (val - (*i)->meterinfo->min) / ((*i)->meterinfo->max - (*i)->meterinfo->min) ;
1088                                 (*i)->meterinfo->meter->set (lval );
1089                         }
1090                 }
1091         }
1092 }
1093
1094 void
1095 GenericPluginUI::set_path_property (const ParameterDescriptor& desc,
1096                                     Gtk::FileChooserButton*    widget)
1097 {
1098         plugin->set_property(desc.key, Variant(Variant::PATH, widget->get_filename()));
1099 }
1100
1101 void
1102 GenericPluginUI::path_property_changed (uint32_t key, const Variant& value)
1103 {
1104         FilePathControls::iterator c = _filepath_controls.find(key);
1105         if (c != _filepath_controls.end()) {
1106                 c->second->set_filename(value.get_path());
1107         } else {
1108                 std::cerr << "warning: property change for property with no control" << std::endl;
1109         }
1110 }