Merge remote-tracking branch 'remotes/origin/cairocanvas' into windows
[ardour.git] / gtk2_ardour / audio_region_editor.h
1 /*
2     Copyright (C) 2001 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 #ifndef __gtk_ardour_audio_region_edit_h__
21 #define __gtk_ardour_audio_region_edit_h__
22
23 #include <map>
24
25 #include <gtkmm/label.h>
26 #include <gtkmm/entry.h>
27 #include <gtkmm/box.h>
28 #include <gtkmm/togglebutton.h>
29 #include <gtkmm/button.h>
30 #include <gtkmm/arrow.h>
31 #include <gtkmm/frame.h>
32 #include <gtkmm/table.h>
33 #include <gtkmm/adjustment.h>
34 #include <gtkmm/separator.h>
35 #include <gtkmm/spinbutton.h>
36
37
38 #include "pbd/signals.h"
39 #ifdef WIN32
40 #include "pbd/glib_semaphore.h"
41 #else
42 #include "pbd/crossthread.h"
43 #endif
44
45 #include "audio_clock.h"
46 #include "ardour_dialog.h"
47 #include "region_editor.h"
48
49 namespace ARDOUR {
50         class AudioRegion;
51         class Session;
52 }
53
54 class AudioRegionView;
55
56 class AudioRegionEditor : public RegionEditor
57 {
58   public:
59         AudioRegionEditor (ARDOUR::Session*, boost::shared_ptr<ARDOUR::AudioRegion>);
60         ~AudioRegionEditor ();
61
62         void peak_amplitude_thread ();
63
64   private:
65
66         void region_changed (PBD::PropertyChange const &);
67
68         void gain_changed ();
69         void gain_adjustment_changed ();
70
71         boost::shared_ptr<ARDOUR::AudioRegion> _audio_region;
72
73         Gtk::Label gain_label;
74         Gtk::Adjustment gain_adjustment;
75         Gtk::SpinButton gain_entry;
76
77         Gtk::Label _peak_amplitude_label;
78         Gtk::Entry _peak_amplitude;
79
80         void signal_peak_thread ();
81         void wait_for_signal ();
82         pthread_t _peak_amplitude_thread_handle;
83         void peak_amplitude_found (double);
84         PBD::Signal1<void, double> PeakAmplitudeFound;
85         PBD::ScopedConnection _peak_amplitude_connection;
86 #ifdef WIN32
87         PBD::GlibSemaphore m_peak_sem;
88 #else
89         CrossThreadChannel _peak_channel;
90 #endif
91 };
92
93 #endif /* __gtk_ardour_audio_region_edit_h__ */