add some assert() messages.
[ardour.git] / gtk2_ardour / editor_route_groups.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 <cstdlib>
25 #include <cmath>
26
27 #include "fix_carbon.h"
28
29 #include "gtkmm2ext/gtk_ui.h"
30 #include "gtkmm2ext/cell_renderer_color_selector.h"
31
32 #include "ardour/route_group.h"
33 #include "ardour/route.h"
34 #include "ardour/session.h"
35
36 #include "ardour_ui.h"
37 #include "editor.h"
38 #include "editor_group_tabs.h"
39 #include "editor_route_groups.h"
40 #include "editor_routes.h"
41 #include "gui_thread.h"
42 #include "keyboard.h"
43 #include "marker.h"
44 #include "prompter.h"
45 #include "route_group_dialog.h"
46 #include "route_time_axis.h"
47 #include "time_axis_view.h"
48 #include "utils.h"
49
50 #include "i18n.h"
51
52 using namespace std;
53 using namespace ARDOUR;
54 using namespace ARDOUR_UI_UTILS;
55 using namespace PBD;
56 using namespace Gtk;
57 using Gtkmm2ext::Keyboard;
58
59 struct ColumnInfo {
60     int         index;
61     const char* label;
62     const char* tooltip;
63 };
64
65 EditorRouteGroups::EditorRouteGroups (Editor* e)
66         : EditorComponent (e)
67         , _in_row_change (false)
68         , _in_rebuild (false)
69 {
70         _model = ListStore::create (_columns);
71         _display.set_model (_model);
72
73         Gtkmm2ext::CellRendererColorSelector* color_renderer = manage (new Gtkmm2ext::CellRendererColorSelector);
74         TreeViewColumn* color_column = manage (new TreeViewColumn ("", *color_renderer));
75
76         color_column->add_attribute (color_renderer->property_color(), _columns.gdkcolor);
77         
78         _display.append_column (*color_column);
79
80         _display.append_column ("", _columns.text);
81         _display.append_column ("", _columns.is_visible);
82         _display.append_column ("", _columns.active_state);
83         _display.append_column ("", _columns.gain);
84         _display.append_column ("", _columns.gain_relative);
85         _display.append_column ("", _columns.mute);
86         _display.append_column ("", _columns.solo);
87         _display.append_column ("", _columns.record);
88         _display.append_column ("", _columns.monitoring);
89         _display.append_column ("", _columns.select);
90         _display.append_column ("", _columns.active_shared);
91
92         TreeViewColumn* col;
93         Gtk::Label* l;
94
95         ColumnInfo ci[] = {
96                 { 0, _("Col"), _("Group Tab Color") },
97                 { 1, _("Name"), _("Name of Group") },
98                 { 2, _("V"), _("Group is visible?") },
99                 { 3, _("On"), _("Group is enabled?") },
100                 { 4, S_("group|G"), _("Sharing Gain?") },
101                 { 5, S_("relative|Rel"), _("Relative Gain Changes?") },
102                 { 6, S_("mute|M"), _("Sharing Mute?") },
103                 { 7, S_("solo|S"), _("Sharing Solo?") },
104                 { 8, _("Rec"), _("Sharing Record-enable Status?") },
105                 { 9, S_("monitoring|Mon"), _("Sharing Monitoring Choice?") },
106                 { 10, S_("selection|Sel"), _("Sharing Selected/Editing Status?") },
107                 { 11, S_("active|A"), _("Sharing Active Status?") },
108                 { -1, 0, 0 }
109         };
110
111
112         for (int i = 0; ci[i].index >= 0; ++i) {
113                 col = _display.get_column (ci[i].index);
114                 l = manage (new Label (ci[i].label));
115                 ARDOUR_UI::instance()->set_tip (*l, ci[i].tooltip);
116                 col->set_widget (*l);
117                 l->show ();
118
119                 col->set_data (X_("colnum"), GUINT_TO_POINTER(i));
120                 if (i == 1) {
121                         col->set_expand (true);
122                 } else {
123                         col->set_expand (false);
124                         col->set_alignment (ALIGN_CENTER);
125                 }
126         }
127
128         _display.set_headers_visible (true);
129
130         color_dialog.get_colorsel()->set_has_opacity_control (false);
131         color_dialog.get_colorsel()->set_has_palette (true);
132         color_dialog.get_ok_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_ACCEPT));
133         color_dialog.get_cancel_button()->signal_clicked().connect (sigc::bind (sigc::mem_fun (color_dialog, &Gtk::Dialog::response), RESPONSE_CANCEL));
134
135         /* name is directly editable */
136
137         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (1));
138         name_cell->property_editable() = true;
139         name_cell->signal_edited().connect (sigc::mem_fun (*this, &EditorRouteGroups::name_edit));
140         
141         for (int i = 1; ci[i].index >= 0; ++i) {
142                 CellRendererToggle* active_cell = dynamic_cast <CellRendererToggle*> (_display.get_column_cell_renderer (i));
143
144                 if (active_cell) {
145                         active_cell->property_activatable() = true;
146                         active_cell->property_radio() = false;
147                 }
148         }
149
150         _model->signal_row_changed().connect (sigc::mem_fun (*this, &EditorRouteGroups::row_change));
151         /* What signal would you guess was emitted when the rows of your treeview are reordered
152            by a drag and drop?  signal_rows_reordered?  That would be far too easy.
153            No, signal_row_deleted().
154          */
155         _model->signal_row_deleted().connect (sigc::mem_fun (*this, &EditorRouteGroups::row_deleted));
156
157         _display.set_name ("EditGroupList");
158         _display.get_selection()->set_mode (SELECTION_SINGLE);
159         _display.set_headers_visible (true);
160         _display.set_reorderable (false);
161         _display.set_rules_hint (true);
162
163         _scroller.add (_display);
164         _scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
165
166         _display.signal_button_press_event().connect (sigc::mem_fun(*this, &EditorRouteGroups::button_press_event), false);
167
168         HBox* button_box = manage (new HBox());
169         button_box->set_homogeneous (true);
170
171         Button* add_button = manage (new Button ());
172         Button* remove_button = manage (new Button ());
173
174         Widget* w;
175
176         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
177         w->show();
178         add_button->add (*w);
179
180         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
181         w->show();
182         remove_button->add (*w);
183
184         add_button->signal_clicked().connect (sigc::hide_return (sigc::mem_fun (*this, &EditorRouteGroups::run_new_group_dialog)));
185         remove_button->signal_clicked().connect (sigc::mem_fun (*this, &EditorRouteGroups::remove_selected));
186
187         button_box->pack_start (*add_button);
188         button_box->pack_start (*remove_button);
189
190         _display_packer.pack_start (_scroller, true, true);
191         _display_packer.pack_start (*button_box, false, false);
192 }
193
194 void
195 EditorRouteGroups::remove_selected ()
196 {
197         Glib::RefPtr<TreeSelection> selection = _display.get_selection();
198         TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
199
200         if (rows.empty() || _session->deletion_in_progress()) {
201                 return;
202         }
203
204         TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
205         TreeIter iter;
206
207         /* selection mode is single, so rows.begin() is it */
208
209         if ((iter = _model->get_iter (*i))) {
210
211                 RouteGroup* rg = (*iter)[_columns.routegroup];
212
213                 if (rg) {
214                         _session->remove_route_group (*rg);
215                 }
216         }
217 }
218
219 void
220 EditorRouteGroups::button_clicked ()
221 {
222         run_new_group_dialog ();
223 }
224
225 bool
226 EditorRouteGroups::button_press_event (GdkEventButton* ev)
227 {
228         TreeModel::Path path;
229         TreeIter iter;
230         RouteGroup* group = 0;
231         TreeViewColumn* column;
232         int cellx;
233         int celly;
234         bool ret = false;
235         Gdk::Color c;
236         bool val;
237
238         bool const p = _display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly);
239
240         if (p) {
241                 iter = _model->get_iter (path);
242         }
243
244         if (iter) {
245                 group = (*iter)[_columns.routegroup];
246         } 
247
248         if (Keyboard::is_context_menu_event (ev)) {
249                 _editor->_group_tabs->get_menu(group)->popup (1, ev->time);
250                 return true;
251         } 
252
253         if (!p) {
254                 /* cancel selection */
255                 _display.get_selection()->unselect_all ();
256                 /* end any editing by grabbing focus */
257                 _display.grab_focus ();
258                 return true;
259         }
260
261         group = (*iter)[_columns.routegroup];
262
263         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
264         case 0: 
265                 c =  (*iter)[_columns.gdkcolor];
266                 color_dialog.get_colorsel()->set_previous_color (c);
267                 color_dialog.get_colorsel()->set_current_color (c);
268
269                 switch (color_dialog.run()) {
270                 case RESPONSE_CANCEL:
271                         break;
272                 case RESPONSE_ACCEPT:
273                         c = color_dialog.get_colorsel()->get_current_color();
274                         GroupTabs::set_group_color (group, gdk_color_to_rgba (c));
275                         ARDOUR_UI::config()->set_dirty ();
276                         break;
277                         
278                 default:
279                         break;
280                         
281                 }
282
283                 color_dialog.hide ();
284                 ret = true;
285                 break;
286
287         case 1:
288                 if (Keyboard::is_edit_event (ev) && group) {
289                         /* we'll be editing now ... */
290                         ret = true;
291                 }
292                 break;
293
294         case 2:
295                 val = (*iter)[_columns.is_visible];
296                 /* note subtle logic inverse here: we set the new value with
297                    "val", rather than !val, because we're using ::set_hidden()
298                    not a (non-existent) ::set_visible() call.
299                 */
300                 group->set_hidden (val, this);
301                 ret = true;
302                 break;
303
304                 
305         case 3:
306                 val = (*iter)[_columns.active_state];
307                 group->set_active (!val, this);
308                 ret = true;
309                 break;
310
311         case 4:
312                 val = (*iter)[_columns.gain];
313                 group->set_gain (!val);
314                 ret = true;
315                 break;
316
317         case 5:
318                 val = (*iter)[_columns.gain_relative];
319                 group->set_relative (!val, this);
320                 ret = true;
321                 break;
322
323         case 6:
324                 val = (*iter)[_columns.mute];
325                 group->set_mute (!val);
326                 ret = true;
327                 break;
328
329         case 7:
330                 val = (*iter)[_columns.solo];
331                 group->set_solo (!val);
332                 ret = true;
333                 break;
334
335         case 8:
336                 val = (*iter)[_columns.record];
337                 group->set_recenable (!val);
338                 ret = true;
339                 break;
340
341         case 9:
342                 val = (*iter)[_columns.monitoring];
343                 group->set_monitoring (!val);
344                 ret = true;
345                 break;
346
347         case 10:
348                 val = (*iter)[_columns.select];
349                 group->set_select (!val);
350                 ret = true;
351                 break;
352
353         case 11:
354                 val = (*iter)[_columns.active_shared];
355                 group->set_route_active (!val);
356                 ret = true;
357                 break;
358
359         default:
360                 break;
361         }
362
363         return ret;
364 }
365
366 void
367 EditorRouteGroups::row_change (const Gtk::TreeModel::Path&, const Gtk::TreeModel::iterator& iter)
368 {
369         RouteGroup* group;
370
371         if (_in_row_change) {
372                 return;
373         }
374
375         if ((group = (*iter)[_columns.routegroup]) == 0) {
376                 return;
377         }
378
379         PropertyList plist;
380         plist.add (Properties::name, string ((*iter)[_columns.text]));
381
382         bool val = (*iter)[_columns.gain];
383         plist.add (Properties::gain, val);
384         val = (*iter)[_columns.gain_relative];
385         plist.add (Properties::relative, val);
386         val = (*iter)[_columns.mute];
387         plist.add (Properties::mute, val);
388         val = (*iter)[_columns.solo];
389         plist.add (Properties::solo, val);
390         val = (*iter)[_columns.record];
391         plist.add (Properties::recenable, val);
392         val = (*iter)[_columns.monitoring];
393         plist.add (Properties::monitoring, val);
394         val = (*iter)[_columns.select];
395         plist.add (Properties::select, val);
396         val = (*iter)[_columns.active_shared];
397         plist.add (Properties::route_active, val);
398         val = (*iter)[_columns.active_state];
399         plist.add (Properties::active, val);
400         val = (*iter)[_columns.is_visible];
401         plist.add (Properties::hidden, !val);
402
403         group->apply_changes (plist);
404
405         GroupTabs::set_group_color ((*iter)[_columns.routegroup], gdk_color_to_rgba ((*iter)[_columns.gdkcolor]));
406 }
407
408 void
409 EditorRouteGroups::add (RouteGroup* group)
410 {
411         ENSURE_GUI_THREAD (*this, &EditorRouteGroups::add, group)
412         bool focus = false;
413
414         TreeModel::Row row = *(_model->append());
415
416         row[_columns.gain] = group->is_gain ();
417         row[_columns.gain_relative] = group->is_relative ();
418         row[_columns.mute] = group->is_mute ();
419         row[_columns.solo] = group->is_solo ();
420         row[_columns.record] = group->is_recenable();
421         row[_columns.monitoring] = group->is_monitoring();
422         row[_columns.select] = group->is_select ();
423         row[_columns.active_shared] = group->is_route_active ();
424         row[_columns.active_state] = group->is_active ();
425         row[_columns.is_visible] = !group->is_hidden();
426         
427         Gdk::Color c;
428         set_color_from_rgba (c, GroupTabs::group_color (group));
429         row[_columns.gdkcolor] = c;
430         
431         _in_row_change = true;
432
433         row[_columns.routegroup] = group;
434
435         if (!group->name().empty()) {
436                 row[_columns.text] = group->name();
437         } else {
438                 row[_columns.text] = _("unnamed");
439                 focus = true;
440         }
441
442         group->PropertyChanged.connect (_property_changed_connections, MISSING_INVALIDATOR, boost::bind (&EditorRouteGroups::property_changed, this, group, _1), gui_context());
443
444         if (focus) {
445                 TreeViewColumn* col = _display.get_column (0);
446                 CellRendererText* name_cell = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (1));
447                 _display.set_cursor (_model->get_path (row), *col, *name_cell, true);
448         }
449
450         _in_row_change = false;
451
452         _editor->_group_tabs->set_dirty ();
453 }
454
455 void
456 EditorRouteGroups::groups_changed ()
457 {
458         ENSURE_GUI_THREAD (*this, &EditorRouteGroups::groups_changed);
459
460         _in_rebuild = true;
461
462         /* just rebuild the while thing */
463
464         _model->clear ();
465
466         if (_session) {
467                 _session->foreach_route_group (sigc::mem_fun (*this, &EditorRouteGroups::add));
468         }
469
470         _in_rebuild = false;
471 }
472
473 void
474 EditorRouteGroups::property_changed (RouteGroup* group, const PropertyChange&)
475 {
476         assert(group);
477         _in_row_change = true;
478
479         Gtk::TreeModel::Children children = _model->children();
480
481         for(Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
482                 if (group == (*iter)[_columns.routegroup]) {
483
484                         /* we could check the PropertyChange and only set
485                          * appropriate fields. but the amount of saved by doing
486                          * that is pretty minimal, and this is nice and simple.
487                          */
488
489                         (*iter)[_columns.text] = group->name();
490                         (*iter)[_columns.gain] = group->is_gain ();
491                         (*iter)[_columns.gain_relative] = group->is_relative ();
492                         (*iter)[_columns.mute] = group->is_mute ();
493                         (*iter)[_columns.solo] = group->is_solo ();
494                         (*iter)[_columns.record] = group->is_recenable ();
495                         (*iter)[_columns.monitoring] = group->is_monitoring ();
496                         (*iter)[_columns.select] = group->is_select ();
497                         (*iter)[_columns.active_shared] = group->is_route_active ();
498                         (*iter)[_columns.active_state] = group->is_active ();
499                         (*iter)[_columns.is_visible] = !group->is_hidden();
500
501                         Gdk::Color c;
502                         set_color_from_rgba (c, GroupTabs::group_color (group));
503                         (*iter)[_columns.gdkcolor] = c;
504
505                         break;
506                 }
507         }
508         
509         _in_row_change = false;
510
511         for (TrackViewList::const_iterator i = _editor->get_track_views().begin(); i != _editor->get_track_views().end(); ++i) {
512                 if ((*i)->route_group() == group) {
513                         if (group->is_hidden ()) {
514                                 _editor->hide_track_in_display (*i);
515                         } else {
516                                 _editor->_routes->show_track_in_display (**i);
517                         }
518                 }
519         }
520 }
521
522 void
523 EditorRouteGroups::name_edit (const std::string& path, const std::string& new_text)
524 {
525         RouteGroup* group;
526         TreeIter iter;
527
528         if ((iter = _model->get_iter (path))) {
529
530                 if ((group = (*iter)[_columns.routegroup]) == 0) {
531                         return;
532                 }
533
534                 if (new_text != group->name()) {
535                         group->set_name (new_text);
536                 }
537         }
538 }
539
540 void
541 EditorRouteGroups::clear ()
542 {
543         _display.set_model (Glib::RefPtr<Gtk::TreeStore> (0));
544         _model->clear ();
545         _display.set_model (_model);
546 }
547
548 void
549 EditorRouteGroups::set_session (Session* s)
550 {
551         SessionHandlePtr::set_session (s);
552
553         if (_session) {
554
555                 _session->route_group_added.connect (_session_connections, MISSING_INVALIDATOR, boost::bind (&EditorRouteGroups::add, this, _1), gui_context());
556                 _session->route_group_removed.connect (
557                         _session_connections, MISSING_INVALIDATOR, boost::bind (&EditorRouteGroups::groups_changed, this), gui_context()
558                         );
559                 _session->route_groups_reordered.connect (
560                         _session_connections, MISSING_INVALIDATOR, boost::bind (&EditorRouteGroups::groups_changed, this), gui_context()
561                         );
562         }
563
564         PBD::PropertyChange pc;
565         pc.add (Properties::select);
566         pc.add (Properties::active);
567
568         groups_changed ();
569 }
570
571 void
572 EditorRouteGroups::run_new_group_dialog ()
573 {
574         RouteList rl;
575
576         return _editor->_group_tabs->run_new_group_dialog (rl);
577 }
578
579 /** Called when a model row is deleted, but also when the model is
580  *  reordered by a user drag-and-drop; the latter is what we are
581  *  interested in here.
582  */
583 void
584 EditorRouteGroups::row_deleted (Gtk::TreeModel::Path const &)
585 {
586         if (_in_rebuild || !_session || _session->deletion_in_progress()) {
587                 /* We need to ignore this in cases where we're not doing a drag-and-drop
588                    re-order.
589                 */
590                 return;
591         }
592
593         /* Re-write the session's route group list so that the new order is preserved */
594
595         list<RouteGroup*> new_list;
596
597         Gtk::TreeModel::Children children = _model->children();
598         for (Gtk::TreeModel::Children::iterator i = children.begin(); i != children.end(); ++i) {
599                 new_list.push_back ((*i)[_columns.routegroup]);
600         }
601
602         _session->reorder_route_groups (new_list);
603 }
604
605