10 #include <QMainWindow>
12 #include <sys/types.h>
22 class MainWindow : public QMainWindow {
28 // HTTP callback. TODO: Does perhaps not belong to MainWindow?
29 std::pair<std::string, std::string> get_queue_status() const;
35 QLabel *disk_free_label;
36 Player *preview_player, *live_player;
39 // State when doing a scrub operation on a timestamp with the mouse.
40 bool scrubbing = false;
41 int scrub_x_origin; // In pixels on the viewport.
42 int64_t scrub_pts_origin;
44 // Which element (e.g. pts_in on clip 4) we are scrubbing.
45 enum ScrubType { SCRUBBING_CLIP_LIST, SCRUBBING_PLAYLIST } scrub_type;
49 // Used to keep track of small mouse wheel motions on the camera index in the playlist.
50 int last_mousewheel_camera_row = -1;
51 int leftover_angle_degrees = 0;
53 // Some operations, notably scrubbing and scrolling, happen in so large increments
54 // that we want to group them instead of saving to disk every single time.
55 // If they happen (ie., we get a callback from the model that it's changed) while
56 // currently_deferring_model_changes, we fire off this timer. If it manages to elapse
57 // before some other event happens, we count the event. (If the other event is of the
58 // same kind, we just fire off the timer anew instead of taking any action.)
59 QTimer *defer_timeout;
60 std::string deferred_change_id;
61 StateProto deferred_state;
63 // Before a change that should be deferred (see above), currently_deferring_model_changes
64 // must be set to true, and current_change_id must be given contents describing what's
65 // changed to avoid accidental grouping.
66 bool currently_deferring_model_changes = false;
67 std::string current_change_id;
69 mutable std::mutex queue_status_mu;
70 std::string queue_status; // Under queue_status_mu.
72 void cue_in_clicked();
73 void cue_out_clicked();
75 void preview_clicked();
76 void preview_angle_clicked(unsigned stream_idx);
78 void live_player_clip_done();
79 Clip live_player_get_next_clip();
80 void live_player_clip_progress(double played_this_clip, double total_length);
81 void set_output_status(const std::string &status);
82 void playlist_duplicate();
83 void playlist_remove();
84 void playlist_move(int delta);
86 void defer_timer_expired();
87 void content_changed(); // In clip_list or play_list.
88 void state_changed(const StateProto &state); // Called post-filtering.
90 enum Rounding { FIRST_AT_OR_AFTER, LAST_BEFORE };
91 void preview_single_frame(int64_t pts, unsigned stream_idx, Rounding rounding);
93 // Also covers when the playlist itself changes.
94 void playlist_selection_changed();
96 void clip_list_selection_changed(const QModelIndex ¤t, const QModelIndex &previous);
98 void resizeEvent(QResizeEvent *event) override;
99 bool eventFilter(QObject *watched, QEvent *event) override;
101 void report_disk_space(off_t free_bytes, double estimated_seconds_left);
102 void exit_triggered();
104 void highlight_camera_input(int stream_idx);
110 extern MainWindow *global_mainwindow;