Properly calculate VCA bottom padding & align fader
[ardour.git] / gtk2_ardour / vca_master_strip.cc
1 /*
2     Copyright (C) 2016 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 #include <gtkmm/stock.h>
20 #include <gtkmm/colorselection.h>
21
22 #include "pbd/convert.h"
23
24 #include "ardour/rc_configuration.h"
25 #include "ardour/session.h"
26 #include "ardour/vca.h"
27 #include "ardour/vca_manager.h"
28
29 #include "gtkmm2ext/doi.h"
30 #include "gtkmm2ext/keyboard.h"
31
32 #include "ardour_dialog.h"
33 #include "floating_text_entry.h"
34 #include "gui_thread.h"
35 #include "mixer_ui.h"
36 #include "tooltips.h"
37 #include "ui_config.h"
38 #include "utils.h"
39 #include "vca_master_strip.h"
40
41 #include "pbd/i18n.h"
42
43 using namespace ARDOUR;
44 using namespace ARDOUR_UI_UTILS;
45 using namespace Gtkmm2ext;
46 using namespace Gtk;
47 using namespace PBD;
48 using std::string;
49
50 PBD::Signal1<void,VCAMasterStrip*> VCAMasterStrip::CatchDeletion;
51
52 VCAMasterStrip::VCAMasterStrip (Session* s, boost::shared_ptr<VCA> v)
53         : SessionHandlePtr (s)
54         , _vca (v)
55         , gain_meter (s, 254) /* magic number, don't adjust blindly */
56         , context_menu (0)
57         , delete_dialog (0)
58         , control_slave_ui (s)
59 {
60         /* set color for the VCA, if not already done. */
61
62         if (!_vca->presentation_info().color_set()) {
63                 _vca->presentation_info().set_color (gdk_color_to_rgba (unique_random_color()));
64         }
65
66         control_slave_ui.set_stripable (boost::dynamic_pointer_cast<Stripable> (v));
67
68         gain_meter.set_controls (boost::shared_ptr<Route>(),
69                                  boost::shared_ptr<PeakMeter>(),
70                                  boost::shared_ptr<Amp>(),
71                                  _vca->gain_control());
72
73         solo_button.set_name ("solo button");
74         set_tooltip (solo_button, _("Solo slaves"));
75         solo_button.signal_button_release_event().connect (sigc::mem_fun (*this, &VCAMasterStrip::solo_release), false);
76
77         mute_button.set_name ("mute button");
78         mute_button.set_text (_("M"));
79         set_tooltip (mute_button, _("Mute slaves"));
80         mute_button.signal_button_release_event().connect (sigc::mem_fun (*this, &VCAMasterStrip::mute_release), false);
81
82         hide_button.set_icon (ArdourIcon::CloseCross);
83         set_tooltip (&hide_button, _("Hide this VCA strip"));
84
85         hide_button.signal_clicked.connect (sigc::mem_fun(*this, &VCAMasterStrip::hide_clicked));
86
87         solo_mute_box.set_spacing (2);
88         solo_mute_box.pack_start (mute_button, true, true);
89         solo_mute_box.pack_start (solo_button, true, true);
90
91         number_label.set_text (to_string (v->number(), std::dec));
92         number_label.set_elements((ArdourButton::Element)(ArdourButton::Edge|ArdourButton::Body|ArdourButton::Text|ArdourButton::Inactive));
93         number_label.set_no_show_all ();
94         number_label.set_name ("generic button");
95         number_label.set_alignment (.5, .5);
96         number_label.set_fallthrough_to_parent (true);
97
98         update_bottom_padding ();
99
100         //Glib::RefPtr<Pango::Layout> layout = vertical_button.get_layout ();
101         // layout->set_justify (JUSTIFY_CENTER);
102         /* horizontally centered, with a little space (5%) at the top */
103         vertical_button.set_angle (90);
104         vertical_button.set_layout_font (UIConfiguration::instance().get_NormalBoldFont());
105         vertical_button.signal_button_release_event().connect (sigc::mem_fun (*this, &VCAMasterStrip::vertical_button_press));
106         vertical_button.set_fallthrough_to_parent (true);
107         vertical_button.set_active_color (_vca->presentation_info().color ());
108         set_tooltip (vertical_button, _("Click to show slaves only")); /* tooltip updated dynamically */
109
110         global_vpacker.set_border_width (1);
111         global_vpacker.set_spacing (2);
112         gain_meter.set_spacing(4);
113
114         global_vpacker.pack_start (number_label, false, false);
115         global_vpacker.pack_start (hide_button, false, false);
116         global_vpacker.pack_start (vertical_button, true, true);
117         global_vpacker.pack_start (solo_mute_box, false, false);
118         global_vpacker.pack_start (gain_meter, false, false);
119         global_vpacker.pack_start (control_slave_ui, false, false);
120         global_vpacker.pack_start (bottom_padding, false, false);
121
122         global_frame.add (global_vpacker);
123         global_frame.set_shadow_type (Gtk::SHADOW_IN);
124         global_frame.set_name ("BaseFrame");
125
126         add (global_frame);
127
128         global_vpacker.show ();
129         global_frame.show ();
130         top_padding.show ();
131         bottom_padding.show ();
132         vertical_button.show ();
133         hide_button.show ();
134         number_label.show ();
135         gain_meter.show ();
136         solo_mute_box.show_all ();
137         control_slave_ui.show ();
138
139         /* force setting of visible selected status */
140
141         _selected = true;
142         set_selected (false);
143         set_solo_text ();
144         update_vca_name ();
145         solo_changed ();
146         mute_changed ();
147         spill_change (boost::shared_ptr<VCA>());
148
149         Mixer_UI::instance()->show_vca_change.connect (sigc::mem_fun (*this, &VCAMasterStrip::spill_change));
150
151         _vca->PropertyChanged.connect (vca_connections, invalidator (*this), boost::bind (&VCAMasterStrip::vca_property_changed, this, _1), gui_context());
152         _vca->presentation_info().PropertyChanged.connect (vca_connections, invalidator (*this), boost::bind (&VCAMasterStrip::vca_property_changed, this, _1), gui_context());
153         _vca->DropReferences.connect (vca_connections, invalidator (*this), boost::bind (&VCAMasterStrip::self_delete, this), gui_context());
154
155         _vca->solo_control()->Changed.connect (vca_connections, invalidator (*this), boost::bind (&VCAMasterStrip::solo_changed, this), gui_context());
156         _vca->mute_control()->Changed.connect (vca_connections, invalidator (*this), boost::bind (&VCAMasterStrip::mute_changed, this), gui_context());
157
158
159         s->config.ParameterChanged.connect (*this, invalidator (*this), boost::bind (&VCAMasterStrip::parameter_changed, this, _1), gui_context());
160         Config->ParameterChanged.connect (*this, invalidator (*this), boost::bind (&VCAMasterStrip::parameter_changed, this, _1), gui_context());
161         UIConfiguration::instance().ParameterChanged.connect (sigc::mem_fun (*this, &VCAMasterStrip::parameter_changed));
162 }
163
164 VCAMasterStrip::~VCAMasterStrip ()
165 {
166         if ((_session && !_session->deletion_in_progress()) && Mixer_UI::instance()->showing_vca_slaves_for (_vca)) {
167                 /* cancel spill for this VCA */
168                 Mixer_UI::instance()->show_vca_slaves (boost::shared_ptr<VCA>());
169         }
170
171         delete delete_dialog;
172         delete context_menu;
173
174         CatchDeletion (this); /* EMIT SIGNAL */
175 }
176
177 void
178 VCAMasterStrip::self_delete ()
179 {
180         if ((_session && !_session->deletion_in_progress()) && Mixer_UI::instance()->showing_vca_slaves_for (_vca)) {
181                 /* cancel spill for this VCA */
182                 Mixer_UI::instance()->show_vca_slaves (boost::shared_ptr<VCA>());
183         }
184         /* Drop reference immediately, delete self when idle */
185         _vca.reset ();
186         delete_when_idle (this);
187 }
188
189 void
190 VCAMasterStrip::parameter_changed (std::string const & p)
191 {
192         if (p == "use-monitor-bus" || p == "solo-control-is-listen-control" || p == "listen-position") {
193                 set_button_names ();
194         } else if (p == "mixer-element-visibility") {
195                 update_bottom_padding ();
196         }
197 }
198
199 void
200 VCAMasterStrip::set_button_names ()
201 {
202         if (Config->get_solo_control_is_listen_control()) {
203                 switch (Config->get_listen_position()) {
204                 case AfterFaderListen:
205                         solo_button.set_text (S_("AfterFader|A"));
206                         set_tooltip (solo_button, _("After-fade listen (AFL)"));
207                         break;
208                 case PreFaderListen:
209                         solo_button.set_text (S_("PreFader|P"));
210                         set_tooltip (solo_button, _("Pre-fade listen (PFL)"));
211                         break;
212                 }
213         } else {
214                 solo_button.set_text (S_("Solo|S"));
215                 set_tooltip (solo_button, _("Solo"));
216         }
217 }
218
219 void
220 VCAMasterStrip::update_bottom_padding ()
221 {
222         std::string viz = UIConfiguration::instance().get_mixer_strip_visibility ();
223
224         ArdourButton meter_point_button (_("pre"));
225         ArdourButton output_button (_("Output"));
226         ArdourButton comment_button (_("Comments"));
227
228         meter_point_button.set_name ("mixer strip button");
229         output_button.set_name ("mixer strip button");
230         comment_button.set_name ("generic button");
231
232
233         int h = 0;
234         if (1) {
235                 Gtk::Window window (WINDOW_TOPLEVEL);
236                 window.add (meter_point_button);
237                 Gtk::Requisition requisition(meter_point_button.size_request ());
238                 h += requisition.height;
239         }
240         if (viz.find ("Output") != std::string::npos) {
241                 Gtk::Window window (WINDOW_TOPLEVEL);
242                 window.add (output_button);
243                 Gtk::Requisition requisition(output_button.size_request ());
244                 h += requisition.height + 2;
245         }
246         if (viz.find ("Comments") != std::string::npos) {
247                 Gtk::Window window (WINDOW_TOPLEVEL);
248                 window.add (comment_button);
249                 Gtk::Requisition requisition(comment_button.size_request ());
250                 h += requisition.height + 2;
251         }
252         bottom_padding.set_size_request (-1, h);
253 }
254
255 string
256 VCAMasterStrip::name() const
257 {
258         return _vca->name();
259 }
260
261 void
262 VCAMasterStrip::hide_clicked ()
263 {
264         _vca->presentation_info().set_hidden (true);
265 }
266
267 void
268 VCAMasterStrip::hide_confirmation (int response)
269 {
270         delete_dialog->hide ();
271
272         switch (response) {
273         case RESPONSE_YES:
274                 /* get everything to deassign. This will also delete ourselves (when
275                  * idle) and that in turn will remove us from the Mixer GUI
276                  */
277                 _session->vca_manager().remove_vca (_vca);
278                 break;
279         default:
280                 break;
281         }
282 }
283
284 bool
285 VCAMasterStrip::width_button_pressed (GdkEventButton* ev)
286 {
287         return false;
288 }
289
290 void
291 VCAMasterStrip::set_selected (bool yn)
292 {
293         AxisView::set_selected (yn);
294
295         if (_selected) {
296                 global_frame.set_shadow_type (Gtk::SHADOW_ETCHED_OUT);
297                 global_frame.set_name ("MixerStripSelectedFrame");
298         } else {
299                 global_frame.set_shadow_type (Gtk::SHADOW_IN);
300                 global_frame.set_name ("MixerStripFrame");
301         }
302
303         global_frame.queue_draw ();
304 }
305
306 bool
307 VCAMasterStrip::solo_release (GdkEventButton*)
308 {
309         /* We use NoGroup because VCA controls are never part of a group. This
310            is redundant, but clear.
311         */
312         _vca->solo_control()->set_value (_vca->solo_control()->self_soloed() ? 0.0 : 1.0, Controllable::NoGroup);
313         return true;
314 }
315
316 bool
317 VCAMasterStrip::mute_release (GdkEventButton*)
318 {
319         /* We use NoGroup because VCA controls are never part of a group. This
320            is redundant, but clear.
321         */
322         _vca->mute_control()->set_value (_vca->mute_control()->muted_by_self() ? 0.0 : 1.0, Controllable::NoGroup);
323         return true;
324 }
325
326 void
327 VCAMasterStrip::set_solo_text ()
328 {
329         if (Config->get_solo_control_is_listen_control ()) {
330                 switch (Config->get_listen_position()) {
331                 case AfterFaderListen:
332                         solo_button.set_text (_("A"));
333                         break;
334                 case PreFaderListen:
335                         solo_button.set_text (_("P"));
336                         break;
337                         }
338         } else {
339                 solo_button.set_text (_("S"));
340         }
341 }
342
343 void
344 VCAMasterStrip::mute_changed ()
345 {
346         if (_vca->mute_control()->muted_by_self()) {
347                 mute_button.set_active_state (ExplicitActive);
348         } else if (_vca->mute_control()->muted_by_masters ()) {
349                 mute_button.set_active_state (ImplicitActive);
350         } else {
351                 mute_button.set_active_state (Gtkmm2ext::Off);
352         }
353 }
354
355 void
356 VCAMasterStrip::solo_changed ()
357 {
358         if (_vca->solo_control()->self_soloed()) {
359                 solo_button.set_active_state (ExplicitActive);
360         } else if (_vca->solo_control()->soloed_by_masters ()) {
361                 solo_button.set_active_state (ImplicitActive);
362         } else {
363                 solo_button.set_active_state (Gtkmm2ext::Off);
364         }
365 }
366
367 bool
368 VCAMasterStrip::vertical_button_press (GdkEventButton* ev)
369 {
370         if (ev->button == 1 && ev->type == GDK_2BUTTON_PRESS) {
371                 start_name_edit ();
372                 return true;
373         }
374
375         if (Keyboard::is_context_menu_event (ev)) {
376                 if (!context_menu) {
377                         build_context_menu ();
378                 }
379                 context_menu->popup (1, ev->time);
380                 return true;
381         }
382
383         if (ev->button == 1) {
384                 spill ();
385         }
386
387         return true;
388 }
389
390 void
391 VCAMasterStrip::start_name_edit ()
392 {
393         Gtk::Window* win = dynamic_cast<Gtk::Window*>(get_toplevel());
394         FloatingTextEntry* fte = new FloatingTextEntry (win, _vca->name());
395         fte->use_text.connect (sigc::mem_fun (*this, &VCAMasterStrip::finish_name_edit));
396         fte->present ();
397 }
398
399 void
400 VCAMasterStrip::finish_name_edit (std::string str, int)
401 {
402         _vca->set_name (str);
403 }
404
405 void
406 VCAMasterStrip::vca_property_changed (PropertyChange const & what_changed)
407 {
408         if (what_changed.contains (ARDOUR::Properties::name)) {
409                 update_vca_name ();
410         }
411
412         if (what_changed.contains (ARDOUR::Properties::color)) {
413                 vertical_button.set_active_color (_vca->presentation_info().color ());
414         }
415
416         if (what_changed.contains (ARDOUR::Properties::hidden)) {
417
418         }
419 }
420
421 void
422 VCAMasterStrip::update_vca_name ()
423 {
424         /* 20 is a rough guess at the number of letters we can fit. */
425         vertical_button.set_text (short_version (_vca->name(), 20));
426 }
427
428 void
429 VCAMasterStrip::build_context_menu ()
430 {
431         using namespace Gtk::Menu_Helpers;
432         context_menu = new Menu;
433         MenuList& items = context_menu->items();
434         items.push_back (MenuElem (_("Rename"), sigc::mem_fun (*this, &VCAMasterStrip::start_name_edit)));
435         items.push_back (MenuElem (_("Color..."), sigc::mem_fun (*this, &VCAMasterStrip::start_color_edit)));
436         items.push_back (SeparatorElem());
437         items.push_back (MenuElem (_("Drop All Slaves"), sigc::mem_fun (*this, &VCAMasterStrip::drop_all_slaves)));
438         items.push_back (SeparatorElem());
439         items.push_back (MenuElem (_("Remove"), sigc::mem_fun (*this, &VCAMasterStrip::remove)));
440 }
441
442 void
443 VCAMasterStrip::spill ()
444 {
445         if (Mixer_UI::instance()->showing_vca_slaves_for (_vca)) {
446                 Mixer_UI::instance()->show_vca_slaves (boost::shared_ptr<VCA>());
447         } else {
448                 Mixer_UI::instance()->show_vca_slaves (_vca);
449         }
450 }
451
452 void
453 VCAMasterStrip::spill_change (boost::shared_ptr<VCA> vca)
454 {
455         if (vca != _vca) {
456                 vertical_button.set_active_state (Gtkmm2ext::Off);
457                 set_tooltip (vertical_button, _("Click to show slaves only"));
458         } else {
459                 vertical_button.set_active_state (Gtkmm2ext::ExplicitActive);
460                 set_tooltip (vertical_button, _("Click to show normal mixer"));
461         }
462 }
463
464 void
465 VCAMasterStrip::remove ()
466 {
467         if (!_session) {
468                 return;
469         }
470
471         _session->vca_manager().remove_vca (_vca);
472 }
473
474 void
475 VCAMasterStrip::drop_all_slaves ()
476 {
477         _vca->Drop (); /* EMIT SIGNAL */
478
479         if (Mixer_UI::instance()->showing_vca_slaves_for (_vca)) {
480                 Mixer_UI::instance()->show_vca_slaves (boost::shared_ptr<VCA>());
481         }
482 }
483
484 Gdk::Color
485 VCAMasterStrip::color () const
486 {
487         return gdk_color_from_rgba (_vca->presentation_info().color ());
488 }
489
490 string
491 VCAMasterStrip::state_id () const
492 {
493         return string_compose (X_("vms-%1"), _vca->number());
494 }
495
496 void
497 VCAMasterStrip::start_color_edit ()
498 {
499         Gtk::ColorSelectionDialog* color_dialog = new Gtk::ColorSelectionDialog;
500
501         color_dialog->get_colorsel()->set_has_opacity_control (false);
502         color_dialog->get_colorsel()->set_has_palette (true);
503
504         Gdk::Color c = gdk_color_from_rgba (_vca->presentation_info().color ());
505
506         color_dialog->get_colorsel()->set_previous_color (c);
507         color_dialog->get_colorsel()->set_current_color (c);
508
509         color_dialog->signal_response().connect (sigc::bind (sigc::mem_fun (*this, &VCAMasterStrip::finish_color_edit), color_dialog));
510         color_dialog->present ();
511 }
512
513 void
514 VCAMasterStrip::finish_color_edit (int response, Gtk::ColorSelectionDialog* dialog)
515 {
516         switch (response) {
517         case RESPONSE_OK:
518                 _vca->presentation_info().set_color (gdk_color_to_rgba (dialog->get_colorsel()->get_current_color()));
519                 break;
520         }
521
522         delete_when_idle (dialog);
523 }
524
525 bool
526 VCAMasterStrip::marked_for_display () const
527 {
528         return !_vca->presentation_info().hidden();
529 }
530
531 bool
532 VCAMasterStrip::set_marked_for_display (bool yn)
533 {
534         if (yn == _vca->presentation_info().hidden()) {
535                 _vca->presentation_info().set_hidden (!yn);
536                 return true; // things changed
537         }
538         return false;
539 }
540
541 PresentationInfo const &
542 VCAMasterStrip::presentation_info () const
543 {
544         return _vca->presentation_info();
545 }
546
547 boost::shared_ptr<Stripable>
548 VCAMasterStrip::stripable () const
549 {
550         return _vca;
551 }