gtk2_ardour/editor_mixer.cc

   1 /*
   2     Copyright (C) 2003-2004 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 <glibmm/miscutils.h>
  21 #include <gtkmm2ext/utils.h>
  22 #include <gtkmm2ext/window_title.h>
  23
  24 #include <pbd/enumwriter.h>
  25
  26 #include <ardour/audioengine.h>
  27
  28 #include "editor.h"
  29 #include "mixer_strip.h"
  30 #include "ardour_ui.h"
  31 #include "selection.h"
  32 #include "audio_time_axis.h"
  33 #include "actions.h"
  34
  35 #include "i18n.h"
  36
  37 using namespace Gtkmm2ext;
  38 using namespace PBD;
  39
  40 void
  41 Editor::editor_mixer_button_toggled ()
  42 {
  43         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
  44         if (act) {
  45                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
  46                 show_editor_mixer (tact->get_active());
  47         }
  48 }
  49
  50 void
  51 Editor::editor_list_button_toggled ()
  52 {
  53         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
  54         if (act) {
  55                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
  56                 show_editor_list (tact->get_active());
  57         }
  58 }
  59
  60 void
  61 Editor::cms_new (boost::shared_ptr<ARDOUR::Route> r)
  62 {
  63         current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(), *session, r);
  64         current_mixer_strip->GoingAway.connect (mem_fun (*this, &Editor::cms_deleted));
  65 }
  66
  67 void
  68 Editor::cms_deleted ()
  69 {
  70         current_mixer_strip = 0;
  71 }
  72
  73 void
  74 Editor::show_editor_mixer (bool yn)
  75 {
  76         show_editor_mixer_when_tracks_arrive = false;
  77
  78         if (yn) {
  79
  80                 if (current_mixer_strip == 0) {
  81
  82                         if (selection->tracks.empty()) {
  83
  84                                 if (track_views.empty()) {
  85                                         show_editor_mixer_when_tracks_arrive = true;
  86                                         return;
  87                                 }
  88
  89                                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  90                                         AudioTimeAxisView* atv;
  91
  92                                         if ((atv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
  93                                                 cms_new (atv->route ());
  94                                                 break;
  95                                         }
  96                                 }
  97
  98                         } else {
  99
 100                                 sort_track_selection ();
 101
 102                                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 103                                         AudioTimeAxisView* atv;
 104
 105                                         if ((atv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
 106                                                 cms_new (atv->route ());
 107                                                 break;
 108                                         }
 109                                 }
 110
 111                         }
 112
 113                         if (current_mixer_strip == 0) {
 114                                 return;
 115                         }
 116                 }
 117
 118                 if (current_mixer_strip->get_parent() == 0) {
 119                         current_mixer_strip->set_embedded (true);
 120                         current_mixer_strip->Hiding.connect (mem_fun(*this, &Editor::current_mixer_strip_hidden));
 121                         current_mixer_strip->GoingAway.connect (mem_fun(*this, &Editor::current_mixer_strip_removed));
 122                         current_mixer_strip->set_width (editor_mixer_strip_width, (void*) this);
 123
 124                         global_hpacker.pack_start (*current_mixer_strip, Gtk::PACK_SHRINK );
 125                         global_hpacker.reorder_child (*current_mixer_strip, 0);
 126
 127                         current_mixer_strip->show_all ();
 128                 }
 129
 130         } else {
 131
 132                 if (current_mixer_strip) {
 133                         editor_mixer_strip_width = current_mixer_strip->get_width ();
 134                         if (current_mixer_strip->get_parent() != 0) {
 135                                 global_hpacker.remove (*current_mixer_strip);
 136                         }
 137                 }
 138         }
 139 #ifdef GTKOSX
 140         /* XXX gtk problem here */
 141         ruler_label_event_box.queue_draw ();
 142         time_button_event_box.queue_draw ();
 143         controls_layout.queue_draw ();
 144 #endif
 145 }
 146
 147 void
 148 Editor::show_editor_list (bool yn)
 149 {
 150         if (yn) {
 151                 the_notebook.show();
 152         } else {
 153                 the_notebook.hide();
 154         }
 155 }
 156
 157 void
 158 Editor::set_selected_mixer_strip (TimeAxisView& view)
 159 {
 160         RouteTimeAxisView* rt;
 161         bool show = false;
 162
 163         if (!session || (rt = dynamic_cast<RouteTimeAxisView*>(&view)) == 0) {
 164                 return;
 165         }
 166
 167         if (current_mixer_strip) {
 168
 169                 /* might be nothing to do */
 170
 171                 if (current_mixer_strip->route() == rt->route()) {
 172                         return;
 173                 }
 174
 175                 if (current_mixer_strip->get_parent()) {
 176                         show = true;
 177                 }
 178                 delete current_mixer_strip;
 179                 current_mixer_strip = 0;
 180         }
 181
 182         current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
 183                                               *session,
 184                                               rt->route(), false);
 185         current_mixer_strip->GoingAway.connect (mem_fun(*this, &Editor::cms_deleted));
 186
 187         if (show) {
 188                 show_editor_mixer (true);
 189         }
 190 }
 191
 192 double current = 0.0;
 193 bool currentInitialized = 0;
 194
 195 void
 196 Editor::update_current_screen ()
 197 {
 198         if (session && session->engine().running()) {
 199
 200                 nframes64_t frame;
 201
 202                 frame = session->audible_frame();
 203
 204                 if (_dragging_playhead) {
 205                         goto almost_done;
 206                 }
 207
 208                 /* only update if the playhead is on screen or we are following it */
 209
 210                 if (_follow_playhead && session->requested_return_frame() < 0) {
 211
 212                         //playhead_cursor->canvas_item.show();
 213
 214                         if (frame != last_update_frame) {
 215
 216
 217 #undef CONTINUOUS_SCROLL
 218 #ifndef  CONTINUOUS_SCROLL
 219                                 if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
 220
 221                                         if (session->transport_speed() < 0) {
 222                                                 if (frame > (current_page_frames()/2)) {
 223                                                         center_screen (frame-(current_page_frames()/2));
 224                                                 } else {
 225                                                         center_screen (current_page_frames()/2);
 226                                                 }
 227                                         } else {
 228                                                 center_screen (frame+(current_page_frames()/2));
 229                                         }
 230                                 }
 231
 232                                 playhead_cursor->set_position (frame);
 233
 234 #else  // CONTINUOUS_SCROLL
 235
 236                                 /* don't do continuous scroll till the new position is in the rightmost quarter of the
 237                                    editor canvas
 238                                 */
 239
 240                                 if (session->transport_speed()) {
 241                                         double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
 242                                         if (target <= 0.0) target = 0.0;
 243                                         if ( fabs(target - current) < current_page_frames()/frames_per_unit ) {
 244                                                 target = (target * 0.15) + (current * 0.85);
 245                                         } else {
 246                                                 /* relax */
 247                                         }
 248                                         //printf("frame: %d,  cpf: %d,  fpu: %6.6f, current: %6.6f, target : %6.6f\n", frame, current_page_frames(), frames_per_unit, current, target );
 249                                         current = target;
 250                                         horizontal_adjustment.set_value ( current );
 251                                 }
 252
 253                                 playhead_cursor->set_position (frame);
 254
 255 #endif // CONTINUOUS_SCROLL
 256
 257                         }
 258
 259                 } else {
 260
 261                         if (frame != last_update_frame) {
 262                                 playhead_cursor->set_position (frame);
 263                         }
 264                 }
 265
 266           almost_done:
 267                 last_update_frame = frame;
 268                 if (current_mixer_strip) {
 269                         current_mixer_strip->fast_update ();
 270                 }
 271
 272         }
 273 }
 274
 275 void
 276 Editor::current_mixer_strip_removed ()
 277 {
 278         if (current_mixer_strip) {
 279                 /* it is being deleted */
 280                 current_mixer_strip = 0;
 281         }
 282 }
 283
 284 void
 285 Editor::current_mixer_strip_hidden ()
 286 {
 287         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 288
 289                 AudioTimeAxisView* tmp;
 290
 291                 if ((tmp = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
 292                         if (tmp->route() == current_mixer_strip->route()) {
 293                                 (*i)->set_selected (false);
 294                                 break;
 295                         }
 296                 }
 297         }
 298
 299         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
 300         if (act) {
 301                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
 302                 tact->set_active (false);
 303         }
 304 }
 305
 306 void
 307 Editor::session_going_away ()
 308 {
 309         _have_idled = false;
 310
 311         for (vector<sigc::connection>::iterator i = session_connections.begin(); i != session_connections.end(); ++i) {
 312                 (*i).disconnect ();
 313         }
 314
 315         stop_scrolling ();
 316         selection->clear ();
 317         cut_buffer->clear ();
 318
 319         clicked_regionview = 0;
 320         clicked_axisview = 0;
 321         clicked_routeview = 0;
 322         clicked_crossfadeview = 0;
 323         entered_regionview = 0;
 324         entered_track = 0;
 325         last_update_frame = 0;
 326         drag_info.item = 0;
 327         last_canvas_frame = 0;
 328
 329         playhead_cursor->canvas_item.hide ();
 330
 331         /* hide all tracks */
 332
 333         hide_all_tracks (false);
 334
 335         /* rip everything out of the list displays */
 336
 337         region_list_display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 338         route_list_display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 339         named_selection_display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 340         edit_group_display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
 341
 342         region_list_model->clear ();
 343         route_display_model->clear ();
 344         named_selection_model->clear ();
 345         group_model->clear ();
 346
 347         region_list_display.set_model (region_list_model);
 348         route_list_display.set_model (route_display_model);
 349         named_selection_display.set_model (named_selection_model);
 350         edit_group_display.set_model (group_model);
 351
 352         edit_point_clock_connection_a.disconnect();
 353         edit_point_clock_connection_b.disconnect();
 354
 355         edit_point_clock.set_session (0);
 356         zoom_range_clock.set_session (0);
 357         nudge_clock.set_session (0);
 358
 359         editor_list_button.set_active(false);
 360         editor_list_button.set_sensitive(false);
 361
 362         /* clear tempo/meter rulers */
 363         remove_metric_marks ();
 364         hide_measures ();
 365         clear_marker_display ();
 366
 367         if (current_bbt_points) {
 368                 delete current_bbt_points;
 369                 current_bbt_points = 0;
 370         }
 371
 372         /* mixer strip will be deleted all by itself
 373            when its route is deleted.
 374         */
 375
 376         current_mixer_strip = 0;
 377
 378         WindowTitle title(Glib::get_application_name());
 379         title += _("Editor");
 380
 381         set_title (title.get_string());
 382
 383         session = 0;
 384 }
 385
 386 void
 387 Editor::maybe_add_mixer_strip_width (XMLNode& node)
 388 {
 389         if (current_mixer_strip) {
 390                 node.add_property ("mixer-width", enum_2_string (current_mixer_strip->get_width()));
 391         }
 392 }
 393