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     $Id$
  19 */
  20
  21 #include <gtkmm2ext/utils.h>
  22 #include <ardour/audioengine.h>
  23
  24 #include "editor.h"
  25 #include "mixer_strip.h"
  26 #include "ardour_ui.h"
  27 #include "selection.h"
  28 #include "audio_time_axis.h"
  29 #include "actions.h"
  30
  31 #include "i18n.h"
  32
  33 void
  34 Editor::editor_mixer_button_toggled ()
  35 {
  36         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
  37         if (act) {
  38                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
  39                 show_editor_mixer (tact->get_active());
  40         }
  41 }
  42
  43 void
  44 Editor::cms_deleted ()
  45 {
  46         current_mixer_strip = 0;
  47 }
  48
  49 void
  50 Editor::show_editor_mixer (bool yn)
  51 {
  52         if (yn) {
  53
  54                 if (current_mixer_strip == 0) {
  55
  56                         if (selection->tracks.empty()) {
  57
  58                                 if (track_views.empty()) {
  59                                         return;
  60                                 }
  61
  62                                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
  63                                         AudioTimeAxisView* atv;
  64
  65                                         if ((atv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
  66
  67                                                 current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
  68                                                                                       *session,
  69                                                                                       atv->route(), false);
  70
  71                                                 current_mixer_strip->GoingAway.connect (mem_fun(*this, &Editor::cms_deleted));
  72                                                 break;
  73                                         }
  74                                 }
  75
  76                         } else {
  77                                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
  78                                         AudioTimeAxisView* atv;
  79
  80                                         if ((atv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
  81
  82                                                 current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
  83                                                                                       *session,
  84                                                                                       atv->route(), false);
  85                                                 current_mixer_strip->GoingAway.connect (mem_fun(*this, &Editor::cms_deleted));
  86                                                 break;
  87                                         }
  88                                 }
  89
  90                         }
  91
  92                         if (current_mixer_strip == 0) {
  93                                 return;
  94                         }
  95                 }
  96
  97                 if (current_mixer_strip->get_parent() == 0) {
  98                         current_mixer_strip->set_embedded (true);
  99                         current_mixer_strip->Hiding.connect (mem_fun(*this, &Editor::current_mixer_strip_hidden));
 100                         current_mixer_strip->GoingAway.connect (mem_fun(*this, &Editor::current_mixer_strip_removed));
 101                         current_mixer_strip->set_width (editor_mixer_strip_width);
 102
 103                         global_hpacker.pack_start (*current_mixer_strip, Gtk::PACK_SHRINK );
 104                         global_hpacker.reorder_child (*current_mixer_strip, 0);
 105
 106                         current_mixer_strip->show_all ();
 107                 }
 108
 109         } else {
 110
 111                 if (current_mixer_strip) {
 112                         editor_mixer_strip_width = current_mixer_strip->get_width ();
 113                         if (current_mixer_strip->get_parent() != 0) {
 114                                 global_hpacker.remove (*current_mixer_strip);
 115                         }
 116                 }
 117         }
 118 }
 119
 120 void
 121 Editor::set_selected_mixer_strip (TimeAxisView& view)
 122 {
 123         AudioTimeAxisView* at;
 124         bool show = false;
 125
 126         if (!session || (at = dynamic_cast<AudioTimeAxisView*>(&view)) == 0) {
 127                 return;
 128         }
 129
 130         if (current_mixer_strip) {
 131
 132                 /* might be nothing to do */
 133
 134                 if (&current_mixer_strip->route() == &at->route()) {
 135                         return;
 136                 }
 137
 138                 if (current_mixer_strip->get_parent()) {
 139                         show = true;
 140                 }
 141                 delete current_mixer_strip;
 142                 current_mixer_strip = 0;
 143         }
 144
 145         current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
 146                                               *session,
 147                                               at->route());
 148         current_mixer_strip->GoingAway.connect (mem_fun(*this, &Editor::cms_deleted));
 149
 150         if (show) {
 151                 show_editor_mixer (true);
 152         }
 153 }
 154
 155 void
 156 Editor::update_current_screen ()
 157 {
 158         if (session && engine.running()) {
 159
 160                 jack_nframes_t frame;
 161
 162                 frame = session->audible_frame();
 163
 164                 /* only update if the playhead is on screen or we are following it */
 165
 166                 if (_follow_playhead) {
 167
 168                   playhead_cursor->canvas_item.show();
 169                         if (frame != last_update_frame) {
 170
 171                                 if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
 172
 173                                         if (session->transport_speed() < 0) {
 174                                                 if (frame > (current_page_frames()/2)) {
 175                                                         center_screen (frame-(current_page_frames()/2));
 176                                                 } else {
 177                                                         center_screen (current_page_frames()/2);
 178                                                 }
 179                                         } else {
 180                                                 center_screen (frame+(current_page_frames()/2));
 181                                         }
 182                                 }
 183
 184                                 playhead_cursor->set_position (frame);
 185                         }
 186
 187                 } else {
 188
 189                         if (frame != last_update_frame) {
 190                                 if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
 191                                         playhead_cursor->canvas_item.hide();
 192                                 } else {
 193                                         playhead_cursor->set_position (frame);
 194                                 }
 195                         }
 196                 }
 197
 198                 last_update_frame = frame;
 199
 200                 if (current_mixer_strip) {
 201                         current_mixer_strip->fast_update ();
 202                 }
 203
 204         }
 205 }
 206
 207 void
 208 Editor::update_slower ()
 209 {
 210                 if (current_mixer_strip) {
 211                         current_mixer_strip->update ();
 212                 }
 213 }
 214
 215 void
 216 Editor::current_mixer_strip_removed ()
 217 {
 218         if (current_mixer_strip) {
 219                 /* it is being deleted */
 220                 current_mixer_strip = 0;
 221         }
 222 }
 223
 224 void
 225 Editor::current_mixer_strip_hidden ()
 226 {
 227         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 228
 229                 AudioTimeAxisView* tmp;
 230
 231                 if ((tmp = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
 232                         if (&(tmp->route()) == &(current_mixer_strip->route())) {
 233                                 (*i)->set_selected (false);
 234                                 break;
 235                         }
 236                 }
 237         }
 238
 239         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
 240         if (act) {
 241                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
 242                 tact->set_active (false);
 243         }
 244 }
 245
 246 void
 247 Editor::session_going_away ()
 248 {
 249         for (vector<sigc::connection>::iterator i = session_connections.begin(); i != session_connections.end(); ++i) {
 250                 (*i).disconnect ();
 251         }
 252
 253         stop_scrolling ();
 254         selection->clear ();
 255         cut_buffer->clear ();
 256
 257         clicked_regionview = 0;
 258         clicked_trackview = 0;
 259         clicked_audio_trackview = 0;
 260         clicked_crossfadeview = 0;
 261         entered_regionview = 0;
 262         entered_track = 0;
 263         latest_regionview = 0;
 264         last_update_frame = 0;
 265         drag_info.item = 0;
 266         last_audition_region = 0;
 267
 268         /* hide all tracks */
 269
 270         hide_all_tracks (false);
 271
 272         /* rip everything out of the list displays */
 273
 274         region_list_clear (); // no clear() method in gtkmm 1.2
 275         route_display_model->clear ();
 276         named_selection_model->clear ();
 277         group_model->clear ();
 278
 279         edit_cursor_clock.set_session (0);
 280         selection_start_clock.set_session (0);
 281         selection_end_clock.set_session (0);
 282         zoom_range_clock.set_session (0);
 283         nudge_clock.set_session (0);
 284
 285         /* put editor/mixer toggle button in off position and disable until a new session is loaded */
 286
 287         editor_mixer_button.set_active(false);
 288         editor_mixer_button.set_sensitive(false);
 289         /* clear tempo/meter rulers */
 290
 291         remove_metric_marks ();
 292         hide_measures ();
 293         clear_marker_display ();
 294
 295         if (current_bbt_points) {
 296                 delete current_bbt_points;
 297                 current_bbt_points = 0;
 298         }
 299
 300         /* mixer strip will be deleted all by itself
 301            when its route is deleted.
 302         */
 303
 304         current_mixer_strip = 0;
 305
 306         set_title (_("ardour: editor"));
 307
 308         session = 0;
 309 }