gtk2_ardour/playlist_selector.cc

   1 /*
   2     Copyright (C) 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
  22 #include <gtkmm/button.h>
  23
  24 #include <ardour/session_playlist.h>
  25 #include <ardour/audio_diskstream.h>
  26 #include <ardour/playlist.h>
  27 #include <ardour/audio_track.h>
  28 #include <ardour/audioplaylist.h>
  29 #include <ardour/configuration.h>
  30
  31 #include <gtkmm2ext/gtk_ui.h>
  32
  33 #include "playlist_selector.h"
  34 #include "route_ui.h"
  35 #include "gui_thread.h"
  36
  37 #include "i18n.h"
  38
  39 using namespace std;
  40 using namespace sigc;
  41 using namespace Gtk;
  42 using namespace ARDOUR;
  43 using namespace PBD;
  44
  45 PlaylistSelector::PlaylistSelector ()
  46         : ArdourDialog ("playlist selector")
  47 {
  48         rui = 0;
  49
  50         set_position (WIN_POS_MOUSE);
  51         set_name ("PlaylistSelectorWindow");
  52         set_title (_("ardour: playlists"));
  53         set_modal(true);
  54         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
  55         set_size_request (300, 200);
  56
  57         model = TreeStore::create (columns);
  58         tree.set_model (model);
  59         tree.append_column (_("Playlists grouped by track"), columns.text);
  60
  61         scroller.add (tree);
  62         scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
  63
  64         get_vbox()->set_border_width (6);
  65         get_vbox()->set_spacing (12);
  66
  67         get_vbox()->pack_start (scroller);
  68
  69         Button* b = add_button (_("close"), RESPONSE_CANCEL);
  70         b->signal_clicked().connect (mem_fun(*this, &PlaylistSelector::close_button_click));
  71
  72 }
  73
  74 PlaylistSelector::~PlaylistSelector ()
  75 {
  76         clear_map ();
  77 }
  78
  79 void
  80 PlaylistSelector::clear_map ()
  81 {
  82         for (DSPL_Map::iterator x = dspl_map.begin(); x != dspl_map.end(); ++x) {
  83                 delete x->second;
  84         }
  85         dspl_map.clear ();
  86 }
  87
  88 bool
  89 PlaylistSelector::on_unmap_event (GdkEventAny* ev)
  90 {
  91         clear_map ();
  92         if (model) {
  93                 model->clear ();
  94         }
  95         return Dialog::on_unmap_event (ev);
  96 }
  97
  98 void
  99 PlaylistSelector::show_for (RouteUI* ruix)
 100 {
 101         vector<const char*> item;
 102         boost::shared_ptr<Diskstream> this_ds;
 103         string str;
 104
 105         rui = ruix;
 106
 107         str = _("ardour: playlist for ");
 108         str += rui->route()->name();
 109
 110         set_title (str);
 111
 112         clear_map ();
 113         select_connection.disconnect ();
 114
 115         model->clear ();
 116
 117         session->foreach_playlist (this, &PlaylistSelector::add_playlist_to_map);
 118
 119         this_ds = rui->get_diskstream();
 120
 121         TreeModel::Row others = *(model->append ());
 122
 123         others[columns.text] = _("Other tracks");
 124         boost::shared_ptr<Playlist> proxy = others[columns.playlist];
 125         proxy.reset ();
 126
 127         for (DSPL_Map::iterator x = dspl_map.begin(); x != dspl_map.end(); ++x) {
 128
 129                 boost::shared_ptr<Diskstream> ds = session->diskstream_by_id (x->first);
 130
 131                 if (ds == 0) {
 132                         continue;
 133                 }
 134
 135                 /* add a node for the diskstream */
 136
 137                 string nodename;
 138
 139                 if (ds->name().empty()) {
 140                         nodename = _("unassigned");
 141                 } else {
 142                         nodename = ds->name().c_str();
 143                 }
 144
 145                 TreeModel::Row row;
 146                 TreeModel::Row* selected_row = 0;
 147                 TreePath this_path;
 148
 149                 if (ds == this_ds) {
 150                         row = *(model->prepend());
 151                         row[columns.text] = nodename;
 152                         boost::shared_ptr<Playlist> proxy = row[columns.playlist];
 153                         proxy.reset ();
 154                 } else {
 155                         row = *(model->append (others.children()));
 156                         row[columns.text] = nodename;
 157                         boost::shared_ptr<Playlist> proxy = row[columns.playlist];
 158                         proxy.reset ();
 159                 }
 160
 161                 /* Now insert all the playlists for this diskstream/track in a subtree */
 162
 163                 list<boost::shared_ptr<Playlist> > *pls = x->second;
 164
 165                 for (list<boost::shared_ptr<Playlist> >::iterator p = pls->begin(); p != pls->end(); ++p) {
 166
 167                         TreeModel::Row child_row;
 168
 169                         child_row = *(model->append (row.children()));
 170                         child_row[columns.text] = (*p)->name();
 171                         child_row[columns.playlist] = *p;
 172
 173                         if (*p == this_ds->playlist()) {
 174                                 selected_row = &child_row;
 175                         }
 176                 }
 177
 178                 if (selected_row != 0) {
 179                         tree.get_selection()->select (*selected_row);
 180                 }
 181         }
 182
 183         show_all ();
 184         select_connection = tree.get_selection()->signal_changed().connect (mem_fun(*this, &PlaylistSelector::selection_changed));
 185 }
 186
 187 void
 188 PlaylistSelector::add_playlist_to_map (boost::shared_ptr<Playlist> pl)
 189 {
 190         boost::shared_ptr<AudioPlaylist> apl;
 191
 192         if (pl->frozen()) {
 193                 return;
 194         }
 195
 196         if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) == 0) {
 197                 return;
 198         }
 199
 200         DSPL_Map::iterator x;
 201
 202         if ((x = dspl_map.find (apl->get_orig_diskstream_id())) == dspl_map.end()) {
 203
 204                 pair<PBD::ID,list<boost::shared_ptr<Playlist> >*> newp (apl->get_orig_diskstream_id(), new list<boost::shared_ptr<Playlist> >);
 205
 206                 x = dspl_map.insert (dspl_map.end(), newp);
 207         }
 208
 209         x->second->push_back (pl);
 210 }
 211
 212 void
 213 PlaylistSelector::set_session (Session* s)
 214 {
 215         ENSURE_GUI_THREAD(bind (mem_fun(*this, &PlaylistSelector::set_session), s));
 216
 217         session = s;
 218
 219         if (session) {
 220                 session->GoingAway.connect (bind (mem_fun(*this, &PlaylistSelector::set_session), static_cast<Session*> (0)));
 221         }
 222 }
 223
 224 void
 225 PlaylistSelector::close_button_click ()
 226 {
 227         rui = 0;
 228         hide ();
 229 }
 230
 231 void
 232 PlaylistSelector::selection_changed ()
 233 {
 234         boost::shared_ptr<Playlist> playlist;
 235
 236         TreeModel::iterator iter = tree.get_selection()->get_selected();
 237
 238         if (!iter || rui == 0) {
 239                 /* nothing selected */
 240                 return;
 241         }
 242
 243         if ((playlist = ((*iter)[columns.playlist])) != 0) {
 244
 245                 AudioTrack* at;
 246                 boost::shared_ptr<AudioPlaylist> apl;
 247
 248                 if ((at = rui->audio_track()) == 0) {
 249                         /* eh? */
 250                         return;
 251                 }
 252
 253                 if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (playlist)) == 0) {
 254                         /* eh? */
 255                         return;
 256                 }
 257
 258                 at->diskstream()->use_playlist (apl);
 259
 260                 hide ();
 261         }
 262
 263 }
 264