]> git.sesse.net Git - nageru/blob - mainwindow.h
Add a disk space estimator. Code largely borrowed from Nageru.
[nageru] / mainwindow.h
1 #ifndef MAINWINDOW_H
2 #define MAINWINDOW_H
3
4 #include <stdbool.h>
5 #include <sys/types.h>
6
7 #include <QLabel>
8 #include <QMainWindow>
9
10 #include "db.h"
11 #include "state.pb.h"
12
13 namespace Ui {
14 class MainWindow;
15 }  // namespace Ui
16
17 class Player;
18
19 class MainWindow : public QMainWindow
20 {
21         Q_OBJECT
22
23 public:
24         MainWindow();
25
26 //private:
27         Ui::MainWindow *ui;
28
29 private:
30         QLabel *disk_free_label;
31         Player *preview_player, *live_player;
32         DB db;
33
34         // State when doing a scrub operation on a timestamp with the mouse.
35         bool scrubbing = false;
36         int scrub_x_origin;  // In pixels on the viewport.
37         int64_t scrub_pts_origin;
38
39         // Which element (e.g. pts_in on clip 4) we are scrubbing.
40         enum ScrubType { SCRUBBING_CLIP_LIST, SCRUBBING_PLAYLIST } scrub_type;
41         int scrub_row;
42         int scrub_column;
43
44         // Used to keep track of small mouse wheel motions on the camera index in the playlist.
45         int last_mousewheel_camera_row = -1;
46         int leftover_angle_degrees = 0;
47
48         // Some operations, notably scrubbing and scrolling, happen in so large increments
49         // that we want to group them instead of saving to disk every single time.
50         // If they happen (ie., we get a callback from the model that it's changed) while
51         // currently_deferring_model_changes, we fire off this timer. If it manages to elapse
52         // before some other event happens, we count the event. (If the other event is of the
53         // same kind, we just fire off the timer anew instead of taking any action.)
54         QTimer *defer_timeout;
55         std::string deferred_change_id;
56         StateProto deferred_state;
57
58         // Before a change that should be deferred (see above), currently_deferring_model_changes
59         // must be set to true, and current_change_id must be given contents describing what's
60         // changed to avoid accidental grouping.
61         bool currently_deferring_model_changes = false;
62         std::string current_change_id;
63
64         void cue_in_clicked();
65         void cue_out_clicked();
66         void queue_clicked();
67         void preview_clicked();
68         void preview_angle_clicked(unsigned stream_idx);
69         void play_clicked();
70         void live_player_clip_done();
71         void live_player_clip_progress(double played_this_clip, double total_length);
72         void playlist_duplicate();
73         void playlist_remove();
74         void playlist_move(int delta);
75
76         void defer_timer_expired();
77         void content_changed();  // In clip_list or play_list.
78         void state_changed(const StateProto &state);  // Called post-filtering.
79
80         enum Rounding { FIRST_AT_OR_AFTER, LAST_BEFORE };
81         void preview_single_frame(int64_t pts, unsigned stream_idx, Rounding rounding);
82
83         // Also covers when the playlist itself changes.
84         void playlist_selection_changed();
85
86         void resizeEvent(QResizeEvent *event) override;
87         bool eventFilter(QObject *watched, QEvent *event) override;
88
89         void report_disk_space(off_t free_bytes, double estimated_seconds_left);
90
91 private slots:
92         void relayout();
93 };
94
95 extern MainWindow *global_mainwindow;
96
97 #endif
98