a) moved metering and meter falloff code into libardour
[ardour.git] / gtk2_ardour / editor_route_list.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     $Id$
19 */
20
21 #include <algorithm>
22 #include <cstdlib>
23 #include <cmath>
24
25 #include "editor.h"
26 #include "ardour_ui.h"
27 #include "audio_time_axis.h"
28 #include "mixer_strip.h"
29 #include "gui_thread.h"
30
31 #include <ardour/route.h>
32 #include <ardour/audio_track.h>
33
34 #include "i18n.h"
35
36 using namespace sigc;
37 using namespace ARDOUR;
38 using namespace Gtk;
39
40 void
41 Editor::handle_new_route_p (Route* route)
42 {
43         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::handle_new_route_p), route));
44         handle_new_route (*route);
45 }
46
47 void
48 Editor::handle_new_route (Route& route)
49 {
50         TimeAxisView *tv;
51         AudioTimeAxisView *atv;
52         TreeModel::Row parent;
53         TreeModel::Row row;
54
55         if (route.hidden()) {
56                 return;
57         }
58         
59         tv = new AudioTimeAxisView (*this, *session, route, track_canvas);
60
61 #if 0
62         if (route_display_model->children().size() == 0) {
63                 
64                 /* set up basic entries */
65
66                 TreeModel::Row row;
67                 
68                 row = *(route_display_model->append());  // path = "0"
69                 row[route_display_columns.text] = _("Busses");
70                 row[route_display_columns.tv] = 0;
71                 row = *(route_display_model->append());  // path = "1"
72                 row[route_display_columns.text] = _("Tracks");
73                 row[route_display_columns.tv] = 0;
74
75         }
76
77         if (dynamic_cast<AudioTrack*>(&route) != 0) {
78                 TreeModel::iterator iter = route_display_model->get_iter ("1");  // audio tracks 
79                 parent = *iter;
80         } else {
81                 TreeModel::iterator iter = route_display_model->get_iter ("0");  // busses
82                 parent = *iter;
83         }
84         
85
86         row = *(route_display_model->append (parent.children()));
87 #else 
88         row = *(route_display_model->append ());
89 #endif
90
91         row[route_display_columns.text] = route.name();
92         row[route_display_columns.visible] = tv->marked_for_display();
93         row[route_display_columns.tv] = tv;
94         
95         track_views.push_back (tv);
96
97         ignore_route_list_reorder = true;
98         
99         if ((atv = dynamic_cast<AudioTimeAxisView*> (tv)) != 0) {
100                 /* added a new fresh one at the end */
101                 if (atv->route().order_key(N_("editor")) == -1) {
102                         atv->route().set_order_key (N_("editor"), route_display_model->children().size()-1);
103                 }
104         }
105
106         ignore_route_list_reorder = false;
107         
108         route.gui_changed.connect (mem_fun(*this, &Editor::handle_gui_changes));
109
110         tv->GoingAway.connect (bind (mem_fun(*this, &Editor::remove_route), tv));
111         
112         editor_mixer_button.set_sensitive(true);
113 }
114
115 void
116 Editor::handle_gui_changes (const string & what, void *src)
117 {
118         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::handle_gui_changes), what, src));
119         
120         if (what == "track_height") {
121                 redisplay_route_list ();
122         }
123 }
124
125
126 void
127 Editor::remove_route (TimeAxisView *tv)
128 {
129         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::remove_route), tv));
130
131         
132         TrackViewList::iterator i;
133         TreeModel::Children rows = route_display_model->children();
134         TreeModel::Children::iterator ri;
135
136         if ((i = find (track_views.begin(), track_views.end(), tv)) != track_views.end()) {
137                 track_views.erase (i);
138         }
139
140         for (ri = rows.begin(); ri != rows.end(); ++ri) {
141                 if ((*ri)[route_display_columns.tv] == tv) {
142                         route_display_model->erase (ri);
143                         break;
144                 }
145         }
146         /* since the editor mixer goes away when you remove a route, set the
147          * button to inacttive 
148          */
149         editor_mixer_button.set_active(false);
150
151         /* and disable if all tracks and/or routes are gone */
152
153         if (track_views.size() == 0) {
154                 editor_mixer_button.set_sensitive(false);
155         }
156 }
157
158 void
159 Editor::route_name_changed (TimeAxisView *tv)
160 {
161         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::route_name_changed), tv));
162         
163         TreeModel::Children rows = route_display_model->children();
164         TreeModel::Children::iterator i;
165         
166         for (i = rows.begin(); i != rows.end(); ++i) {
167                 if ((*i)[route_display_columns.tv] == tv) {
168                         (*i)[route_display_columns.text] = tv->name();
169                         break;
170                 }
171         } 
172
173 }
174
175 void
176 Editor::hide_track_in_display (TimeAxisView& tv)
177 {
178         TreeModel::Children rows = route_display_model->children();
179         TreeModel::Children::iterator i;
180
181         for (i = rows.begin(); i != rows.end(); ++i) {
182                 if ((*i)[route_display_columns.tv] == &tv) { 
183                         (*i)[route_display_columns.visible] = false;
184                         break;
185                 }
186         }
187
188         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (&tv);
189
190         if (atv && current_mixer_strip && &(atv->route()) == &(current_mixer_strip->route())) {
191                 // this will hide the mixer strip
192                 set_selected_mixer_strip (tv);
193         }
194 }
195
196 void
197 Editor::show_track_in_display (TimeAxisView& tv)
198 {
199         TreeModel::Children rows = route_display_model->children();
200         TreeModel::Children::iterator i;
201         
202         for (i = rows.begin(); i != rows.end(); ++i) {
203                 if ((*i)[route_display_columns.tv] == &tv) { 
204                         (*i)[route_display_columns.visible] = true;
205                         tv.set_marked_for_display (true);
206                         break;
207                 }
208         }
209 }
210
211 void
212 Editor::route_list_reordered (const TreeModel::Path& path,const TreeModel::iterator& iter,int* what)
213 {
214         redisplay_route_list ();
215 }
216
217 void
218 Editor::redisplay_route_list ()
219 {
220         TreeModel::Children rows = route_display_model->children();
221         TreeModel::Children::iterator i;
222         uint32_t position;
223         uint32_t order;
224         int n;
225         
226         if (no_route_list_redisplay) {
227                 return;
228         }
229
230         for (n = 0, order = 0, position = 0, i = rows.begin(); i != rows.end(); ++i) {
231                 TimeAxisView *tv = (*i)[route_display_columns.tv];
232                 AudioTimeAxisView* at; 
233
234                 if (tv == 0) {
235                         // just a "title" row
236                         continue;
237                 }
238
239                 if (!ignore_route_list_reorder) {
240                         
241                         /* this reorder is caused by user action, so reassign sort order keys
242                            to tracks.
243                         */
244                         
245                         if ((at = dynamic_cast<AudioTimeAxisView*> (tv)) != 0) {
246                                 at->route().set_order_key (N_("editor"), order);
247                                 ++order;
248                         }
249                 }
250
251                 bool visible = (*i)[route_display_columns.visible];
252
253                 if (visible) {
254                         tv->set_marked_for_display (true);
255                         position += tv->show_at (position, n, &edit_controls_vbox);
256                         position += track_spacing;
257                 } else {
258                         tv->hide ();
259                 }
260                 
261                 n++;
262                 
263         }
264
265         reset_scrolling_region ();
266 }
267
268 void
269 Editor::hide_all_tracks (bool with_select)
270 {
271         TreeModel::Children rows = route_display_model->children();
272         TreeModel::Children::iterator i;
273
274         no_route_list_redisplay = true;
275
276         for (i = rows.begin(); i != rows.end(); ++i) {
277                 
278                 TreeModel::Row row = (*i);
279                 TimeAxisView *tv = row[route_display_columns.tv];
280
281                 if (tv == 0) {
282                         continue;
283                 }
284                 
285                 row[route_display_columns.visible] = false;
286         }
287
288         no_route_list_redisplay = false;
289         redisplay_route_list ();
290
291         /* XXX this seems like a hack and half, but its not clear where to put this
292            otherwise.
293         */
294
295         reset_scrolling_region ();
296 }
297
298 void
299 Editor::build_route_list_menu ()
300 {
301         using namespace Menu_Helpers;
302         using namespace Gtk;
303
304         route_list_menu = new Menu;
305         
306         MenuList& items = route_list_menu->items();
307         route_list_menu->set_name ("ArdourContextMenu");
308
309         items.push_back (MenuElem (_("Show All"), mem_fun(*this, &Editor::show_all_routes)));
310         items.push_back (MenuElem (_("Hide All"), mem_fun(*this, &Editor::hide_all_routes)));
311         items.push_back (MenuElem (_("Show All Audio Tracks"), mem_fun(*this, &Editor::show_all_audiotracks)));
312         items.push_back (MenuElem (_("Hide All Audio Tracks"), mem_fun(*this, &Editor::hide_all_audiotracks)));
313         items.push_back (MenuElem (_("Show All Audio Busses"), mem_fun(*this, &Editor::show_all_audiobus)));
314         items.push_back (MenuElem (_("Hide All Audio Busses"), mem_fun(*this, &Editor::hide_all_audiobus)));
315
316 }
317
318 void
319 Editor::set_all_tracks_visibility (bool yn)
320 {
321         TreeModel::Children rows = route_display_model->children();
322         TreeModel::Children::iterator i;
323
324         no_route_list_redisplay = true;
325
326         for (i = rows.begin(); i != rows.end(); ++i) {
327
328                 TreeModel::Row row = (*i);
329                 TimeAxisView* tv = row[route_display_columns.tv];
330
331                 if (tv == 0) {
332                         continue;
333                 }
334                 
335                 (*i)[route_display_columns.visible] = yn;
336         }
337
338         no_route_list_redisplay = false;
339         redisplay_route_list ();
340 }
341
342 void
343 Editor::set_all_audio_visibility (int tracks, bool yn) 
344 {
345         TreeModel::Children rows = route_display_model->children();
346         TreeModel::Children::iterator i;
347
348         no_route_list_redisplay = true;
349
350         for (i = rows.begin(); i != rows.end(); ++i) {
351                 TreeModel::Row row = (*i);
352                 TimeAxisView* tv = row[route_display_columns.tv];
353                 AudioTimeAxisView* atv;
354
355                 if (tv == 0) {
356                         continue;
357                 }
358
359                 if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) != 0) {
360                         switch (tracks) {
361                         case 0:
362                                 (*i)[route_display_columns.visible] = yn;
363                                 break;
364
365                         case 1:
366                                 if (atv->is_audio_track()) {
367                                         (*i)[route_display_columns.visible] = yn;
368                                 }
369                                 break;
370                                 
371                         case 2:
372                                 if (!atv->is_audio_track()) {
373                                         (*i)[route_display_columns.visible] = yn;
374                                 }
375                                 break;
376                         }
377                 }
378         }
379
380         no_route_list_redisplay = false;
381         redisplay_route_list ();
382 }
383
384 void
385 Editor::hide_all_routes ()
386 {
387         set_all_tracks_visibility (false);
388 }
389
390 void
391 Editor::show_all_routes ()
392 {
393         set_all_tracks_visibility (true);
394 }
395
396 void
397 Editor::show_all_audiobus ()
398 {
399         set_all_audio_visibility (2, true);
400 }
401 void
402 Editor::hide_all_audiobus ()
403 {
404         set_all_audio_visibility (2, false);
405 }
406
407 void
408 Editor::show_all_audiotracks()
409 {
410         set_all_audio_visibility (1, true);
411 }
412 void
413 Editor::hide_all_audiotracks ()
414 {
415         set_all_audio_visibility (1, false);
416 }
417
418 bool
419 Editor::route_list_display_button_press (GdkEventButton* ev)
420 {
421         if (Keyboard::is_context_menu_event (ev)) {
422                 show_route_list_menu ();
423                 return true;
424         }
425
426         TreeIter iter;
427         TreeModel::Path path;
428         TreeViewColumn* column;
429         int cellx;
430         int celly;
431         
432         if (!route_list_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
433                 return false;
434         }
435
436         switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
437         case 0:
438                 if ((iter = route_display_model->get_iter (path))) {
439                         TimeAxisView* tv = (*iter)[route_display_columns.tv];
440                         if (tv) {
441                                 bool visible = (*iter)[route_display_columns.visible];
442                                 (*iter)[route_display_columns.visible] = !visible;
443                         }
444                 }
445                 return true;
446
447         case 1:
448                 /* allow normal processing to occur */
449                 return false;
450
451         default:
452                 break;
453         }
454
455         return false;
456 }
457
458 void
459 Editor::show_route_list_menu()
460 {
461         if (route_list_menu == 0) {
462                 build_route_list_menu ();
463         }
464
465         route_list_menu->popup (1, 0);
466 }
467
468 bool
469 Editor::route_list_selection_filter (const Glib::RefPtr<TreeModel>& model, const TreeModel::Path& path, bool yn)
470 {
471         return true;
472 }
473
474 struct EditorOrderRouteSorter {
475     bool operator() (Route* a, Route* b) {
476             /* use of ">" forces the correct sort order */
477             return a->order_key ("editor") < b->order_key ("editor");
478     }
479 };
480
481 void
482 Editor::initial_route_list_display ()
483 {
484         Session::RouteList routes = session->get_routes();
485         EditorOrderRouteSorter sorter;
486
487         routes.sort (sorter);
488         
489         no_route_list_redisplay = true;
490
491         route_display_model->clear ();
492
493         for (Session::RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
494                 handle_new_route (**i);
495         }
496
497         no_route_list_redisplay = false;
498
499         redisplay_route_list ();
500 }
501
502 void
503 Editor::route_list_change (const Gtk::TreeModel::Path& path,const Gtk::TreeModel::iterator& iter)
504 {
505         redisplay_route_list ();
506 }
507
508 void
509 Editor::route_list_delete (const Gtk::TreeModel::Path& path)
510 {
511         redisplay_route_list ();
512 }