17 class MainWindow : public QMainWindow
28 Player *preview_player, *live_player;
31 // State when doing a scrub operation on a timestamp with the mouse.
32 bool scrubbing = false;
33 int scrub_x_origin; // In pixels on the viewport.
34 int64_t scrub_pts_origin;
36 // Which element (e.g. pts_in on clip 4) we are scrubbing.
37 enum ScrubType { SCRUBBING_CLIP_LIST, SCRUBBING_PLAYLIST } scrub_type;
41 // Used to keep track of small mouse wheel motions on the camera index in the playlist.
42 int last_mousewheel_camera_row = -1;
43 int leftover_angle_degrees = 0;
45 // Some operations, notably scrubbing and scrolling, happen in so large increments
46 // that we want to group them instead of saving to disk every single time.
47 // If they happen (ie., we get a callback from the model that it's changed) while
48 // currently_deferring_model_changes, we fire off this timer. If it manages to elapse
49 // before some other event happens, we count the event. (If the other event is of the
50 // same kind, we just fire off the timer anew instead of taking any action.)
51 QTimer *defer_timeout;
52 std::string deferred_change_id;
53 StateProto deferred_state;
55 // Before a change that should be deferred (see above), currently_deferring_model_changes
56 // must be set to true, and current_change_id must be given contents describing what's
57 // changed to avoid accidental grouping.
58 bool currently_deferring_model_changes = false;
59 std::string current_change_id;
61 void cue_in_clicked();
62 void cue_out_clicked();
64 void preview_clicked();
65 void preview_angle_clicked(unsigned stream_idx);
67 void live_player_clip_done();
68 void live_player_clip_progress(double played_this_clip, double total_length);
69 void playlist_duplicate();
70 void playlist_remove();
71 void playlist_move(int delta);
73 void defer_timer_expired();
74 void content_changed(); // In clip_list or play_list.
75 void state_changed(const StateProto &state); // Called post-filtering.
77 enum Rounding { FIRST_AT_OR_AFTER, LAST_BEFORE };
78 void preview_single_frame(int64_t pts, unsigned stream_idx, Rounding rounding);
80 // Also covers when the playlist itself changes.
81 void playlist_selection_changed();
83 void resizeEvent(QResizeEvent *event) override;
84 bool eventFilter(QObject *watched, QEvent *event) override;
90 extern MainWindow *global_mainwindow;