Numerical sort patch from mantis #2654
[ardour.git] / gtk2_ardour / editor_audiotrack.cc
1 /*
2     Copyright (C) 2000-2007 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 <ardour/location.h>
21 #include <ardour/audio_diskstream.h>
22
23 #include "ardour_ui.h"
24 #include "editor.h"
25 #include "editing.h"
26 #include "audio_time_axis.h"
27 #include "region_view.h"
28 #include "selection.h"
29
30 #include "i18n.h"
31
32 using namespace ARDOUR;
33 using namespace PBD;
34
35 void
36 Editor::set_show_waveforms (bool yn)
37 {
38         AudioTimeAxisView* atv;
39
40         if (_show_waveforms != yn) {
41                 _show_waveforms = yn;
42                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
43                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
44                                 atv->set_show_waveforms (yn);
45                         }
46                 }
47         }
48 }
49
50 void
51 Editor::set_show_waveforms_recording (bool yn)
52 {
53         AudioTimeAxisView* atv;
54
55         if (_show_waveforms_recording != yn) {
56                 _show_waveforms_recording = yn;
57                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
58                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
59                                 atv->set_show_waveforms_recording (yn);
60                         }
61                 }
62         }
63 }
64
65 gint
66 Editor::start_updating ()
67 {
68         AudioTimeAxisView* atv;
69
70         //cerr << "Editor::start_updating () called" << endl;//DEBUG
71         if (is_mapped() && session) {
72                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
73                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
74                                 atv->reset_meter ();
75                         }
76                 }
77         }
78
79         if (!meters_running) {
80                 fast_screen_update_connection = ARDOUR_UI::SuperRapidScreenUpdate.connect (mem_fun(*this, &Editor::fast_update_strips));
81                 meters_running = true;
82         }
83     return 0;
84 }
85
86 gint
87 Editor::stop_updating ()
88 {
89         AudioTimeAxisView* atv;
90         
91         meters_running = false;
92         fast_screen_update_connection.disconnect();
93         //cerr << "Editor::stop_updating () called" << endl;//DEBUG
94         if (is_mapped() && session) {
95                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
96                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
97                                 atv->hide_meter ();
98                         }
99                 }
100         }
101
102     return 0;
103 }
104
105 void
106 Editor::toggle_meter_updating()
107 {
108         if (Config->get_show_track_meters()) {
109                 start_updating();
110         } else {
111                 stop_updating ();
112         }
113         track_canvas_allocate(track_canvas->get_allocation());
114 }
115
116 void
117 Editor::fast_update_strips ()
118 {
119         AudioTimeAxisView* atv;
120
121         if (is_mapped() && session) {
122                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
123                         if ((atv = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
124                                 atv->fast_update ();
125                         }
126                 }
127         }
128 }
129