Terminate RapidScreenUpdate clock updates earlier when they are not necessary. Fix...

[ardour.git] / gtk2_ardour / audio_clock.h

diff --git a/gtk2_ardour/audio_clock.h b/gtk2_ardour/audio_clock.h
index 67d137d3777ecee3eabc596c7de14a55335fc042..25eab1a3ba000e8cc7cbcb5646b456c2b6525a4f 100644 (file)
--- a/gtk2_ardour/audio_clock.h
+++ b/gtk2_ardour/audio_clock.h
@@ -26,12 +26,13 @@
 #include <gtkmm/label.h>
 #include <gtkmm/frame.h>
 #include "ardour/ardour.h"
+#include "ardour/session_handle.h"
 
 namespace ARDOUR {
        class Session;
 }
 
-class AudioClock : public Gtk::HBox
+class AudioClock : public Gtk::HBox, public ARDOUR::SessionHandlePtr
 {
   public:
        enum Mode {
@@ -42,24 +43,26 @@ class AudioClock : public Gtk::HBox
                Off
        };
 
-       AudioClock (std::string clock_name, bool transient, std::string widget_name, bool editable, bool is_duration = false, bool with_info = false);
+       AudioClock (const std::string& clock_name, bool is_transient, const std::string& widget_name, 
+                    bool editable, bool follows_playhead, bool duration = false, bool with_info = false);
 
        Mode mode() const { return _mode; }
 
        void focus ();
 
-       void set (nframes_t, bool force = false, nframes_t offset = 0, char which = 0);
+       void set (framepos_t, bool force = false, ARDOUR::framecnt_t offset = 0, char which = 0);
        void set_from_playhead ();
        void locate ();
        void set_mode (Mode);
-       void set_bbt_reference (nframes64_t);
+       void set_bbt_reference (framepos_t);
+        void set_is_duration (bool);
 
        void set_widget_name (std::string);
 
        std::string name() const { return _name; }
 
-       nframes_t current_time (nframes_t position = 0) const;
-       nframes_t current_duration (nframes_t position = 0) const;
+       framepos_t current_time (framepos_t position = 0) const;
+       framepos_t current_duration (framepos_t position = 0) const;
        void set_session (ARDOUR::Session *s);
 
        sigc::signal<void> ValueChanged;
@@ -72,13 +75,14 @@ class AudioClock : public Gtk::HBox
        static bool has_focus() { return _has_focus; }
 
   private:
-       ARDOUR::Session  *session;
        Mode             _mode;
        uint32_t          key_entry_state;
        std::string      _name;
        bool              is_transient;
        bool              is_duration;
        bool              editable;
+       /** true if this clock follows the playhead, meaning that certain operations are redundant */
+       bool             _follows_playhead;
 
        Gtk::Menu  *ops_menu;
 
@@ -159,8 +163,8 @@ class AudioClock : public Gtk::HBox
        Gtk::EventBox  clock_base;
        Gtk::Frame     clock_frame;
 
-       nframes64_t bbt_reference_time;
-       nframes_t last_when;
+       framepos_t bbt_reference_time;
+       framepos_t last_when;
        bool last_pdelta;
        bool last_sdelta;
 
@@ -179,6 +183,13 @@ class AudioClock : public Gtk::HBox
        double drag_y;
        double drag_accum;
 
+       /** true if the time of this clock is the one displayed in its widgets.
+        *  if false, the time in the widgets is an approximation of _canonical_time,
+        *  and _canonical_time should be returned as the `current' time of the clock.
+        */
+       bool _canonical_time_is_displayed;
+       framepos_t _canonical_time;
+
        void on_realize ();
 
        bool field_motion_notify_event (GdkEventMotion *ev, Field);
@@ -191,29 +202,30 @@ class AudioClock : public Gtk::HBox
        bool field_focus_out_event (GdkEventFocus *, Field);
        bool drop_focus_handler (GdkEventFocus*);
 
-       void set_timecode (nframes_t, bool);
-       void set_bbt (nframes_t, bool);
-       void set_minsec (nframes_t, bool);
-       void set_frames (nframes_t, bool);
+       void set_timecode (framepos_t, bool);
+       void set_bbt (framepos_t, bool);
+       void set_minsec (framepos_t, bool);
+       void set_frames (framepos_t, bool);
 
-       nframes_t get_frames (Field,nframes_t pos = 0,int dir=1);
+       framepos_t get_frames (Field, framepos_t pos = 0, int dir = 1);
 
        void timecode_sanitize_display();
-       nframes_t timecode_frame_from_display () const;
-       nframes_t bbt_frame_from_display (nframes_t) const;
-       nframes_t bbt_frame_duration_from_display (nframes_t) const;
-       nframes_t minsec_frame_from_display () const;
-       nframes_t audio_frame_from_display () const;
+       framepos_t timecode_frame_from_display () const;
+       framepos_t bbt_frame_from_display (framepos_t) const;
+       framepos_t bbt_frame_duration_from_display (framepos_t) const;
+       framepos_t minsec_frame_from_display () const;
+       framepos_t audio_frame_from_display () const;
 
        void build_ops_menu ();
        void setup_events ();
 
-       void timecode_offset_changed ();
+       void session_configuration_changed (std::string);
        void set_size_requests ();
 
        static const uint32_t field_length[(int)AudioFrames+1];
        static bool _has_focus;
 
+       void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
 };
 
 #endif /* __audio_clock_h__ */