Fix a crash bug on preview.

[nageru] / mainwindow.h

diff --git a/mainwindow.h b/mainwindow.h
index 6d214ff696b5ddd73e4e576f8f029e94c524fb21..a396a92f272941a9a5921671162237d9b04a68db 100644 (file)
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -3,9 +3,13 @@
 
 #include <stdbool.h>
 #include <sys/types.h>
+
+#include <QLabel>
 #include <QMainWindow>
 
 #include "clip_list.h"
+#include "db.h"
+#include "state.pb.h"
 
 namespace Ui {
 class MainWindow;
@@ -24,7 +28,9 @@ public:
        Ui::MainWindow *ui;
 
 private:
+       QLabel *disk_free_label;
        Player *preview_player, *live_player;
+       DB db;
 
        // State when doing a scrub operation on a timestamp with the mouse.
        bool scrubbing = false;
@@ -36,19 +42,55 @@ private:
        int scrub_row;
        int scrub_column;
 
+       // Used to keep track of small mouse wheel motions on the camera index in the playlist.
+       int last_mousewheel_camera_row = -1;
+       int leftover_angle_degrees = 0;
+
+       // Some operations, notably scrubbing and scrolling, happen in so large increments
+       // that we want to group them instead of saving to disk every single time.
+       // If they happen (ie., we get a callback from the model that it's changed) while
+       // currently_deferring_model_changes, we fire off this timer. If it manages to elapse
+       // before some other event happens, we count the event. (If the other event is of the
+       // same kind, we just fire off the timer anew instead of taking any action.)
+       QTimer *defer_timeout;
+       std::string deferred_change_id;
+       StateProto deferred_state;
+
+       // Before a change that should be deferred (see above), currently_deferring_model_changes
+       // must be set to true, and current_change_id must be given contents describing what's
+       // changed to avoid accidental grouping.
+       bool currently_deferring_model_changes = false;
+       std::string current_change_id;
+
        void cue_in_clicked();
        void cue_out_clicked();
        void queue_clicked();
        void preview_clicked();
+       void preview_angle_clicked(unsigned stream_idx);
        void play_clicked();
        void live_player_clip_done();
+       Clip live_player_get_next_clip();
+       void live_player_clip_progress(double played_this_clip, double total_length);
+       void playlist_duplicate();
+       void playlist_remove();
+       void playlist_move(int delta);
+
+       void defer_timer_expired();
+       void content_changed();  // In clip_list or play_list.
+       void state_changed(const StateProto &state);  // Called post-filtering.
 
        enum Rounding { FIRST_AT_OR_AFTER, LAST_BEFORE };
        void preview_single_frame(int64_t pts, unsigned stream_idx, Rounding rounding);
 
+       // Also covers when the playlist itself changes.
+       void playlist_selection_changed();
+
        void resizeEvent(QResizeEvent *event) override;
        bool eventFilter(QObject *watched, QEvent *event) override;
 
+       void report_disk_space(off_t free_bytes, double estimated_seconds_left);
+       void exit_triggered();
+
 private slots:
        void relayout();
 };