Merge branch 'main' into v2.17.x
[dcpomatic.git] / src / wx / timeline_view.h
1 /*
2     Copyright (C) 2023 Carl Hetherington <cth@carlh.net>
3
4     This file is part of DCP-o-matic.
5
6     DCP-o-matic is free software; you can redistribute it and/or modify
7     it under the terms of the GNU General Public License as published by
8     the Free Software Foundation; either version 2 of the License, or
9     (at your option) any later version.
10
11     DCP-o-matic is distributed in the hope that it will be useful,
12     but WITHOUT ANY WARRANTY; without even the implied warranty of
13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14     GNU General Public License for more details.
15
16     You should have received a copy of the GNU General Public License
17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
18
19 */
20
21
22 #ifndef DCPOMATIC_TIMELINE_VIEW_H
23 #define DCPOMATIC_TIMELINE_VIEW_H
24
25
26 #include "lib/rect.h"
27 #include "lib/dcpomatic_time.h"
28
29
30 class wxGraphicsContext;
31
32
33 /** @class ContentTimelineView
34  *  @brief Parent class for components of the content timeline (e.g. a piece of content or an axis).
35  */
36 template <class Timeline>
37 class TimelineView
38 {
39 public:
40         explicit TimelineView(Timeline& timeline)
41                 : _timeline(timeline)
42         {}
43
44         virtual ~TimelineView () = default;
45
46         TimelineView(TimelineView const&) = delete;
47         TimelineView& operator=(TimelineView const&) = delete;
48
49         void force_redraw()
50         {
51                 _timeline.force_redraw(_last_paint_bbox.extended(4));
52                 _timeline.force_redraw(bbox().extended(4));
53         }
54
55         virtual dcpomatic::Rect<int> bbox() const = 0;
56
57 protected:
58         int time_x(dcpomatic::DCPTime t) const
59         {
60                 return t.seconds() * _timeline.pixels_per_second().get_value_or(0);
61         }
62
63         Timeline& _timeline;
64         dcpomatic::Rect<int> _last_paint_bbox;
65 };
66
67
68 #endif
69