Merged with trunk, and a few trivial GUI updates etc.
[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         // GTK2FIX do we need this stuff or is GTK applying some policy now?
65         //set_border_width (6);
66         // set_spacing (12);
67
68         get_vbox()->pack_start (scroller);
69
70         Button* b = add_button (_("close"), RESPONSE_CANCEL);
71         b->signal_clicked().connect (mem_fun(*this, &PlaylistSelector::close_button_click));
72
73 }
74
75 PlaylistSelector::~PlaylistSelector ()
76 {
77         clear_map ();
78 }
79
80 void
81 PlaylistSelector::clear_map ()
82 {
83         for (DSPL_Map::iterator x = dspl_map.begin(); x != dspl_map.end(); ++x) {
84                 delete x->second;
85         }
86         dspl_map.clear ();
87 }
88
89 void
90 PlaylistSelector::show_for (RouteUI* ruix)
91 {
92         vector<const char*> item;
93         Diskstream* this_ds;
94         string str;
95
96         rui = ruix;
97
98         str = _("ardour: playlist for ");
99         str += rui->route().name();
100
101         set_title (str);
102
103         clear_map ();
104         select_connection.disconnect ();
105
106         model->clear ();
107         
108         session->foreach_playlist (this, &PlaylistSelector::add_playlist_to_map);
109
110         this_ds = rui->get_diskstream();
111
112         TreeModel::Row others = *(model->append ());
113
114         others[columns.text] = _("Other tracks");
115         others[columns.playlist] = 0;
116         
117         for (DSPL_Map::iterator x = dspl_map.begin(); x != dspl_map.end(); ++x) {
118
119                 Diskstream* ds = session->diskstream_by_id (x->first);
120
121                 if (ds == 0) {
122                         continue;
123                 }
124
125                 /* add a node for the diskstream */
126
127                 string nodename;
128
129                 if (ds->name().empty()) {
130                         nodename = _("unassigned");
131                 } else {
132                         nodename = ds->name().c_str();
133                 }
134                 
135                 TreeModel::Row row;
136                 TreeModel::Row* selected_row = 0;
137                 TreePath this_path;
138
139                 if (ds == this_ds) {
140                         row = *(model->prepend());
141                         row[columns.text] = nodename;
142                         row[columns.playlist] = 0;
143                 } else {
144                         row = *(model->append (others.children()));
145                         row[columns.text] = nodename;
146                         row[columns.playlist] = 0;
147                 }
148
149                 /* Now insert all the playlists for this diskstream/track in a subtree */
150                 
151                 list<Playlist*> *pls = x->second;
152                 
153                 for (list<Playlist*>::iterator p = pls->begin(); p != pls->end(); ++p) {
154
155                         TreeModel::Row child_row;
156
157                         child_row = *(model->append (row.children()));
158                         child_row[columns.text] = (*p)->name();
159                         child_row[columns.playlist] = *p;
160
161                         if (*p == this_ds->playlist()) {
162                                 selected_row = &child_row;
163                         } 
164                 }
165                 
166                 if (selected_row != 0) {
167                         tree.get_selection()->select (*selected_row);
168                 }
169         }
170
171         show_all ();
172         select_connection = tree.get_selection()->signal_changed().connect (mem_fun(*this, &PlaylistSelector::selection_changed));
173 }
174
175 void
176 PlaylistSelector::add_playlist_to_map (Playlist *pl)
177 {
178         AudioPlaylist* apl;
179
180         if (pl->frozen()) {
181                 return;
182         }
183
184         if ((apl = dynamic_cast<AudioPlaylist*> (pl)) == 0) {
185                 return;
186         }
187
188         DSPL_Map::iterator x;
189
190         if ((x = dspl_map.find (apl->get_orig_diskstream_id())) == dspl_map.end()) {
191
192                 pair<ARDOUR::id_t,list<Playlist*>*> newp (apl->get_orig_diskstream_id(), new list<Playlist*>);
193                 
194                 x = dspl_map.insert (dspl_map.end(), newp);
195         }
196
197         x->second->push_back (pl);
198 }
199
200 void
201 PlaylistSelector::set_session (Session* s)
202 {
203         ENSURE_GUI_THREAD(bind (mem_fun(*this, &PlaylistSelector::set_session), s));
204
205         session = s;
206
207         if (session) {
208                 session->going_away.connect (bind (mem_fun(*this, &PlaylistSelector::set_session), static_cast<Session*> (0)));
209         }
210 }
211
212 void
213 PlaylistSelector::close_button_click ()
214 {
215         rui = 0;
216         hide ();
217 }
218
219 void
220 PlaylistSelector::selection_changed ()
221 {
222         Playlist *playlist;
223
224         TreeModel::iterator iter = tree.get_selection()->get_selected();
225
226         if (!iter) {
227                 /* nothing selected */
228                 return;
229         }
230
231         if ((playlist = ((*iter)[columns.playlist])) != 0) {
232                 
233                 AudioTrack* at;
234                 AudioPlaylist* apl;
235                 
236                 if ((at = dynamic_cast<AudioTrack*> (&rui->route())) == 0) {
237                         /* eh? */
238                         return;
239                 }
240                 
241                 if ((apl = dynamic_cast<AudioPlaylist*> (playlist)) == 0) {
242                         /* eh? */
243                         return;
244                 }
245                 
246                 at->disk_stream().use_playlist (apl);
247
248                 hide ();
249         }
250
251 }
252