d02c5a88de7d941f57634e38927e136004e0504e
[ardour.git] / 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         cerr << "PLselector unmapped\n";
92         clear_map ();
93         if (model) {
94                 model->clear ();
95         }
96         return Dialog::on_unmap_event (ev);
97 }
98
99 void
100 PlaylistSelector::show_for (RouteUI* ruix)
101 {
102         vector<const char*> item;
103         boost::shared_ptr<Diskstream> this_ds;
104         string str;
105
106         rui = ruix;
107
108         str = _("ardour: playlist for ");
109         str += rui->route()->name();
110
111         set_title (str);
112
113         clear_map ();
114         select_connection.disconnect ();
115
116         model->clear ();
117         
118         session->foreach_playlist (this, &PlaylistSelector::add_playlist_to_map);
119
120         this_ds = rui->get_diskstream();
121
122         TreeModel::Row others = *(model->append ());
123
124         others[columns.text] = _("Other tracks");
125         boost::shared_ptr<Playlist> proxy = others[columns.playlist];
126         proxy.reset ();
127         
128         for (DSPL_Map::iterator x = dspl_map.begin(); x != dspl_map.end(); ++x) {
129
130                 boost::shared_ptr<Diskstream> ds = session->diskstream_by_id (x->first);
131
132                 if (ds == 0) {
133                         continue;
134                 }
135
136                 /* add a node for the diskstream */
137
138                 string nodename;
139
140                 if (ds->name().empty()) {
141                         nodename = _("unassigned");
142                 } else {
143                         nodename = ds->name().c_str();
144                 }
145                 
146                 TreeModel::Row row;
147                 TreeModel::Row* selected_row = 0;
148                 TreePath this_path;
149
150                 if (ds == this_ds) {
151                         row = *(model->prepend());
152                         row[columns.text] = nodename;
153                         boost::shared_ptr<Playlist> proxy = row[columns.playlist];
154                         proxy.reset ();
155                 } else {
156                         row = *(model->append (others.children()));
157                         row[columns.text] = nodename;
158                         boost::shared_ptr<Playlist> proxy = row[columns.playlist];
159                         proxy.reset ();
160                 }
161
162                 /* Now insert all the playlists for this diskstream/track in a subtree */
163                 
164                 list<boost::shared_ptr<Playlist> > *pls = x->second;
165                 
166                 for (list<boost::shared_ptr<Playlist> >::iterator p = pls->begin(); p != pls->end(); ++p) {
167
168                         TreeModel::Row child_row;
169
170                         child_row = *(model->append (row.children()));
171                         child_row[columns.text] = (*p)->name();
172                         child_row[columns.playlist] = *p;
173
174                         if (*p == this_ds->playlist()) {
175                                 selected_row = &child_row;
176                         } 
177                 }
178                 
179                 if (selected_row != 0) {
180                         tree.get_selection()->select (*selected_row);
181                 }
182         }
183
184         show_all ();
185         select_connection = tree.get_selection()->signal_changed().connect (mem_fun(*this, &PlaylistSelector::selection_changed));
186 }
187
188 void
189 PlaylistSelector::add_playlist_to_map (boost::shared_ptr<Playlist> pl)
190 {
191         boost::shared_ptr<AudioPlaylist> apl;
192
193         if (pl->frozen()) {
194                 return;
195         }
196         
197         if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) == 0) {
198                 return;
199         }
200
201         DSPL_Map::iterator x;
202
203         if ((x = dspl_map.find (apl->get_orig_diskstream_id())) == dspl_map.end()) {
204
205                 pair<PBD::ID,list<boost::shared_ptr<Playlist> >*> newp (apl->get_orig_diskstream_id(), new list<boost::shared_ptr<Playlist> >);
206                 
207                 x = dspl_map.insert (dspl_map.end(), newp);
208         }
209
210         x->second->push_back (pl);
211 }
212
213 void
214 PlaylistSelector::set_session (Session* s)
215 {
216         ENSURE_GUI_THREAD(bind (mem_fun(*this, &PlaylistSelector::set_session), s));
217
218         session = s;
219
220         if (session) {
221                 session->GoingAway.connect (bind (mem_fun(*this, &PlaylistSelector::set_session), static_cast<Session*> (0)));
222         }
223 }
224
225 void
226 PlaylistSelector::close_button_click ()
227 {
228         rui = 0;
229         hide ();
230 }
231
232 void
233 PlaylistSelector::selection_changed ()
234 {
235         boost::shared_ptr<Playlist> playlist;
236
237         TreeModel::iterator iter = tree.get_selection()->get_selected();
238
239         if (!iter || rui == 0) {
240                 /* nothing selected */
241                 return;
242         }
243
244         if ((playlist = ((*iter)[columns.playlist])) != 0) {
245                 
246                 AudioTrack* at;
247                 boost::shared_ptr<AudioPlaylist> apl;
248                 
249                 if ((at = rui->audio_track()) == 0) {
250                         /* eh? */
251                         return;
252                 }
253                 
254                 if ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (playlist)) == 0) {
255                         /* eh? */
256                         return;
257                 }
258                 
259                 at->diskstream()->use_playlist (apl);
260
261                 hide ();
262         }
263
264 }
265