X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=mainwindow.h;h=3621d32ce65f8467ad99d3941f78a7d2e3c16672;hb=58b5adcca3af1abbf4c69b00853bee037bb7fec7;hp=24eea609e03bbdf24049018b03cb9193b15cfa38;hpb=010e8a94e8e2b93c40be5f074e5e4ca928b8f207;p=nageru

diff --git a/mainwindow.h b/mainwindow.h
index 24eea60..3621d32 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -5,7 +5,8 @@
 #include <sys/types.h>
 #include <QMainWindow>
 
-#include "clip_list.h"
+#include "db.h"
+#include "state.pb.h"
 
 namespace Ui {
 class MainWindow;
@@ -25,6 +26,7 @@ public:
 
 private:
 	Player *preview_player, *live_player;
+	DB db;
 
 	// State when doing a scrub operation on a timestamp with the mouse.
 	bool scrubbing = false;
@@ -40,6 +42,22 @@ private:
 	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();
@@ -52,6 +70,10 @@ private:
 	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);