gtk2_ardour/group_tabs.cc

   1 /*
   2     Copyright (C) 2009 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 #include <gtkmm/stock.h>
  21 #include "ardour/session.h"
  22 #include "ardour/route_group.h"
  23 #include "ardour/route.h"
  24
  25 #include "gui_thread.h"
  26 #include "route_group_dialog.h"
  27 #include "group_tabs.h"
  28 #include "keyboard.h"
  29 #include "i18n.h"
  30
  31 using namespace std;
  32 using namespace Gtk;
  33 using namespace ARDOUR;
  34 using Gtkmm2ext::Keyboard;
  35
  36 GroupTabs::GroupTabs ()
  37         : _menu (0)
  38         , _dragging (0)
  39         , _dragging_new_tab (0)
  40 {
  41
  42 }
  43
  44 GroupTabs::~GroupTabs ()
  45 {
  46         delete _menu;
  47 }
  48
  49 void
  50 GroupTabs::set_session (Session* s)
  51 {
  52         SessionHandlePtr::set_session (s);
  53
  54         if (_session) {
  55                 _session->RouteGroupChanged.connect (_session_connections, invalidator (*this), boost::bind (&GroupTabs::set_dirty, this), gui_context());
  56                 _session->route_group_removed.connect (_session_connections, invalidator (*this), boost::bind (&GroupTabs::set_dirty, this), gui_context());
  57         }
  58 }
  59
  60
  61 /** Handle a size request.
  62  *  @param req GTK requisition
  63  */
  64 void
  65 GroupTabs::on_size_request (Gtk::Requisition *req)
  66 {
  67         /* Use a dummy, small width and the actual height that we want */
  68         req->width = 16;
  69         req->height = 16;
  70 }
  71
  72 bool
  73 GroupTabs::on_button_press_event (GdkEventButton* ev)
  74 {
  75         using namespace Menu_Helpers;
  76
  77         double const p = primary_coordinate (ev->x, ev->y);
  78
  79         list<Tab>::iterator prev;
  80         list<Tab>::iterator next;
  81         Tab* t = click_to_tab (p, &prev, &next);
  82
  83         _drag_min = prev != _tabs.end() ? prev->to : 0;
  84         _drag_max = next != _tabs.end() ? next->from : extent ();
  85
  86         if (ev->button == 1) {
  87
  88                 if (t == 0) {
  89                         Tab n;
  90                         n.from = n.to = p;
  91                         _dragging_new_tab = true;
  92
  93                         if (next == _tabs.end()) {
  94                                 _tabs.push_back (n);
  95                                 t = &_tabs.back ();
  96                         } else {
  97                                 list<Tab>::iterator j = _tabs.insert (next, n);
  98                                 t = &(*j);
  99                         }
 100
 101                 } else {
 102                         _dragging_new_tab = false;
 103                 }
 104
 105                 _dragging = t;
 106                 _drag_moved = false;
 107                 _drag_first = p;
 108
 109                 double const h = (t->from + t->to) / 2;
 110                 if (p < h) {
 111                         _drag_moving = t->from;
 112                         _drag_fixed = t->to;
 113                         _drag_offset = p - t->from;
 114                 } else {
 115                         _drag_moving = t->to;
 116                         _drag_fixed = t->from;
 117                         _drag_offset = p - t->to;
 118                 }
 119
 120         } else if (ev->button == 3) {
 121
 122                 RouteGroup* g = t ? t->group : 0;
 123                 Menu* m = get_menu (g);
 124                 if (m) {
 125                         m->popup (ev->button, ev->time);
 126                 }
 127
 128         }
 129
 130         return true;
 131 }
 132
 133
 134 bool
 135 GroupTabs::on_motion_notify_event (GdkEventMotion* ev)
 136 {
 137         if (_dragging == 0) {
 138                 return false;
 139         }
 140
 141         double const p = primary_coordinate (ev->x, ev->y);
 142
 143         if (p != _drag_first) {
 144                 _drag_moved = true;
 145         }
 146
 147         _drag_moving = p - _drag_offset;
 148
 149         _dragging->from = min (_drag_moving, _drag_fixed);
 150         _dragging->to = max (_drag_moving, _drag_fixed);
 151
 152         _dragging->from = max (_dragging->from, _drag_min);
 153         _dragging->to = min (_dragging->to, _drag_max);
 154
 155         set_dirty ();
 156         queue_draw ();
 157
 158         return true;
 159 }
 160
 161
 162 bool
 163 GroupTabs::on_button_release_event (GdkEventButton* ev)
 164 {
 165         if (_dragging == 0) {
 166                 return false;
 167         }
 168
 169         if (!_drag_moved) {
 170
 171                 if (_dragging->group) {
 172
 173                         if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
 174
 175                                 /* edit */
 176                                 RouteGroupDialog d (_dragging->group, false);
 177                                 d.do_run ();
 178
 179                         } else {
 180
 181                                 /* toggle active state */
 182                                 _dragging->group->set_active (!_dragging->group->is_active (), this);
 183
 184                         }
 185                 }
 186
 187         } else {
 188                 /* finish drag */
 189                 RouteList routes = routes_for_tab (_dragging);
 190
 191                 if (!routes.empty()) {
 192                         if (_dragging_new_tab) {
 193                                 RouteGroup* g = create_and_add_group ();
 194                                 if (g) {
 195                                         for (RouteList::iterator i = routes.begin(); i != routes.end(); ++i) {
 196                                                 g->add (*i);
 197                                         }
 198                                 }
 199                         } else {
 200                                 boost::shared_ptr<RouteList> r = _session->get_routes ();
 201                                 for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
 202
 203                                         if (find (routes.begin(), routes.end(), *i) == routes.end()) {
 204                                                 /* this route is not on the list of those that should be in _dragging's group */
 205                                                 if ((*i)->route_group() == _dragging->group) {
 206                                                         _dragging->group->remove (*i);
 207                                                 }
 208                                         } else {
 209                                                 _dragging->group->add (*i);
 210                                         }
 211                                 }
 212                         }
 213                 }
 214
 215                 set_dirty ();
 216                 queue_draw ();
 217         }
 218
 219         _dragging = 0;
 220
 221         return true;
 222 }
 223
 224 void
 225 GroupTabs::render (cairo_t* cr)
 226 {
 227         if (_dragging == 0) {
 228                 _tabs = compute_tabs ();
 229         }
 230
 231         /* background */
 232
 233         cairo_set_source_rgb (cr, 0, 0, 0);
 234         cairo_rectangle (cr, 0, 0, _width, _height);
 235         cairo_fill (cr);
 236
 237         /* tabs */
 238
 239         for (list<Tab>::const_iterator i = _tabs.begin(); i != _tabs.end(); ++i) {
 240                 draw_tab (cr, *i);
 241         }
 242 }
 243
 244
 245 /** Convert a click position to a tab.
 246  *  @param c Click position.
 247  *  @param prev Filled in with the previous tab to the click, or 0.
 248  *  @param next Filled in with the next tab after the click, or 0.
 249  *  @return Tab under the click, or 0.
 250  */
 251
 252 GroupTabs::Tab *
 253 GroupTabs::click_to_tab (double c, list<Tab>::iterator* prev, list<Tab>::iterator* next)
 254 {
 255         *prev = *next = _tabs.end ();
 256         Tab* under = 0;
 257
 258         list<Tab>::iterator i = _tabs.begin ();
 259         while (i != _tabs.end()) {
 260
 261                 if (i->from > c) {
 262                         break;
 263                 }
 264
 265                 if (i->to < c) {
 266                         *prev = i;
 267                         ++i;
 268                         continue;
 269                 }
 270
 271                 if (i->from <= c && c < i->to) {
 272                         under = &(*i);
 273                 }
 274
 275                 ++i;
 276         }
 277
 278         if (i != _tabs.end()) {
 279                 *next = i;
 280
 281                 if (under) {
 282                         (*next)++;
 283                 }
 284         }
 285
 286         return under;
 287 }
 288
 289 Gtk::Menu*
 290 GroupTabs::get_menu (RouteGroup* g)
 291 {
 292         using namespace Menu_Helpers;
 293
 294         delete _menu;
 295
 296         Menu* new_from = new Menu;
 297         MenuList& f = new_from->items ();
 298         f.push_back (MenuElem (_("Selection..."), sigc::mem_fun (*this, &GroupTabs::new_from_selection)));
 299         f.push_back (MenuElem (_("Record Enabled..."), sigc::mem_fun (*this, &GroupTabs::new_from_rec_enabled)));
 300         f.push_back (MenuElem (_("Soloed..."), sigc::mem_fun (*this, &GroupTabs::new_from_soloed)));
 301
 302         _menu = new Menu;
 303         _menu->set_name ("ArdourContextMenu");
 304         MenuList& items = _menu->items();
 305
 306         items.push_back (MenuElem (_("New..."), hide_return (sigc::mem_fun(*this, &GroupTabs::create_and_add_group))));
 307         items.push_back (MenuElem (_("New From"), *new_from));
 308
 309         if (g) {
 310                 items.push_back (MenuElem (_("Edit..."), sigc::bind (sigc::mem_fun (*this, &GroupTabs::edit_group), g)));
 311                 items.push_back (MenuElem (_("Add New Subgroup Bus"), sigc::bind (sigc::mem_fun (*this, &GroupTabs::subgroup), g, false, PreFader)));
 312                 items.push_back (MenuElem (_("Add New Aux Bus (pre-fader)"), sigc::bind (sigc::mem_fun (*this, &GroupTabs::subgroup), g, true, PreFader)));
 313                 items.push_back (MenuElem (_("Add New Aux Bus (post-fader)"), sigc::bind (sigc::mem_fun (*this, &GroupTabs::subgroup), g, true, PostFader)));
 314                 items.push_back (MenuElem (_("Collect"), sigc::bind (sigc::mem_fun (*this, &GroupTabs::collect), g)));
 315                 items.push_back (MenuElem (_("Remove"), sigc::bind (sigc::mem_fun (*this, &GroupTabs::remove_group), g)));
 316         }
 317
 318         add_menu_items (_menu, g);
 319
 320         items.push_back (SeparatorElem());
 321         items.push_back (MenuElem (_("Activate All"), sigc::mem_fun(*this, &GroupTabs::activate_all)));
 322         items.push_back (MenuElem (_("Disable All"), sigc::mem_fun(*this, &GroupTabs::disable_all)));
 323
 324         return _menu;
 325
 326 }
 327
 328 void
 329 GroupTabs::new_from_selection ()
 330 {
 331         RouteList rl = selected_routes ();
 332         if (rl.empty()) {
 333                 return;
 334         }
 335
 336         run_new_group_dialog (rl);
 337 }
 338
 339 void
 340 GroupTabs::new_from_rec_enabled ()
 341 {
 342         boost::shared_ptr<RouteList> rl = _session->get_routes ();
 343
 344         RouteList rec_enabled;
 345
 346         for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
 347                 if ((*i)->record_enabled()) {
 348                         rec_enabled.push_back (*i);
 349                 }
 350         }
 351
 352         if (rec_enabled.empty()) {
 353                 return;
 354         }
 355
 356         run_new_group_dialog (rec_enabled);
 357 }
 358
 359 void
 360 GroupTabs::new_from_soloed ()
 361 {
 362         boost::shared_ptr<RouteList> rl = _session->get_routes ();
 363
 364         RouteList soloed;
 365
 366         for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
 367                 if (!(*i)->is_master() && (*i)->soloed()) {
 368                         soloed.push_back (*i);
 369                 }
 370         }
 371
 372         if (soloed.empty()) {
 373                 return;
 374         }
 375
 376         run_new_group_dialog (soloed);
 377 }
 378
 379 void
 380 GroupTabs::run_new_group_dialog (RouteList const & rl)
 381 {
 382         RouteGroup* g = new RouteGroup (*_session, "");
 383         g->apply_changes (default_properties ());
 384
 385         RouteGroupDialog d (g, true);
 386
 387         if (d.do_run ()) {
 388                 delete g;
 389         } else {
 390                 _session->add_route_group (g);
 391                 for (RouteList::const_iterator i = rl.begin(); i != rl.end(); ++i) {
 392                         g->add (*i);
 393                 }
 394         }
 395 }
 396
 397 RouteGroup *
 398 GroupTabs::create_and_add_group () const
 399 {
 400         RouteGroup* g = new RouteGroup (*_session, "");
 401
 402         g->apply_changes (default_properties ());
 403
 404         RouteGroupDialog d (g, true);
 405
 406         if (d.do_run ()) {
 407                 delete g;
 408                 return 0;
 409         }
 410
 411         _session->add_route_group (g);
 412         return g;
 413 }
 414
 415 void
 416 GroupTabs::edit_group (RouteGroup* g)
 417 {
 418         RouteGroupDialog d (g, false);
 419         d.do_run ();
 420 }
 421
 422 void
 423 GroupTabs::subgroup (RouteGroup* g, bool aux, Placement placement)
 424 {
 425         g->make_subgroup (aux, placement);
 426 }
 427
 428 struct CollectSorter {
 429         CollectSorter (std::string const & key) : _key (key) {}
 430
 431         bool operator () (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
 432                 return a->order_key (_key) < b->order_key (_key);
 433         }
 434
 435         std::string _key;
 436 };
 437
 438 /** Collect all members of a RouteGroup so that they are together in the Editor or Mixer.
 439  *  @param g Group to collect.
 440  */
 441 void
 442 GroupTabs::collect (RouteGroup* g)
 443 {
 444         boost::shared_ptr<RouteList> group_routes = g->route_list ();
 445         group_routes->sort (CollectSorter (order_key ()));
 446         int const N = group_routes->size ();
 447
 448         RouteList::iterator i = group_routes->begin ();
 449         boost::shared_ptr<RouteList> routes = _session->get_routes ();
 450         RouteList::const_iterator j = routes->begin ();
 451
 452         int diff = 0;
 453         int coll = -1;
 454         while (i != group_routes->end() && j != routes->end()) {
 455
 456                 int const k = (*j)->order_key (order_key ());
 457
 458                 if (*i == *j) {
 459
 460                         if (coll == -1) {
 461                                 coll = k;
 462                                 diff = N - 1;
 463                         } else {
 464                                 --diff;
 465                         }
 466
 467                         (*j)->set_order_key (order_key (), coll);
 468
 469                         ++coll;
 470                         ++i;
 471
 472                 } else {
 473
 474                         (*j)->set_order_key (order_key (), k + diff);
 475
 476                 }
 477
 478                 ++j;
 479         }
 480
 481         sync_order_keys ();
 482 }
 483
 484 void
 485 GroupTabs::activate_all ()
 486 {
 487         _session->foreach_route_group (
 488                 sigc::bind (sigc::mem_fun (*this, &GroupTabs::set_activation), true)
 489                 );
 490 }
 491
 492 void
 493 GroupTabs::disable_all ()
 494 {
 495         _session->foreach_route_group (
 496                 sigc::bind (sigc::mem_fun (*this, &GroupTabs::set_activation), false)
 497                 );
 498 }
 499
 500 void
 501 GroupTabs::set_activation (RouteGroup* g, bool a)
 502 {
 503         g->set_active (a, this);
 504 }
 505
 506 void
 507 GroupTabs::remove_group (RouteGroup* g)
 508 {
 509         _session->remove_route_group (*g);
 510 }