gtk2_ardour/audio_clock.h

   1 /*
   2     Copyright (C) 1999 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __audio_clock_h__
  21 #define __audio_clock_h__
  22
  23 #include <gtkmm/box.h>
  24 #include <gtkmm/menu.h>
  25 #include <gtkmm/eventbox.h>
  26 #include <gtkmm/label.h>
  27 #include <gtkmm/frame.h>
  28 #include "ardour/ardour.h"
  29 #include "ardour/session_handle.h"
  30
  31 namespace ARDOUR {
  32         class Session;
  33 }
  34
  35 class AudioClock : public Gtk::HBox, public ARDOUR::SessionHandlePtr
  36 {
  37   public:
  38         enum Mode {
  39                 Timecode,
  40                 BBT,
  41                 MinSec,
  42                 Frames,
  43                 Off
  44         };
  45
  46         AudioClock (const std::string& clock_name, bool is_transient, const std::string& widget_name,
  47                     bool editable, bool follows_playhead, bool duration = false, bool with_info = false);
  48
  49         Mode mode() const { return _mode; }
  50
  51         void focus ();
  52
  53         void set (nframes_t, bool force = false, nframes_t offset = 0, char which = 0);
  54         void set_from_playhead ();
  55         void locate ();
  56         void set_mode (Mode);
  57         void set_bbt_reference (nframes64_t);
  58
  59         void set_widget_name (std::string);
  60
  61         std::string name() const { return _name; }
  62
  63         nframes_t current_time (nframes_t position = 0) const;
  64         nframes_t current_duration (nframes_t position = 0) const;
  65         void set_session (ARDOUR::Session *s);
  66
  67         sigc::signal<void> ValueChanged;
  68         sigc::signal<void> mode_changed;
  69         sigc::signal<void> ChangeAborted;
  70
  71         static sigc::signal<void> ModeChanged;
  72         static std::vector<AudioClock*> clocks;
  73
  74         static bool has_focus() { return _has_focus; }
  75
  76   private:
  77         Mode             _mode;
  78         uint32_t          key_entry_state;
  79         std::string      _name;
  80         bool              is_transient;
  81         bool              is_duration;
  82         bool              editable;
  83         /** true if this clock follows the playhead, meaning that certain operations are redundant */
  84         bool             _follows_playhead;
  85
  86         Gtk::Menu  *ops_menu;
  87
  88         Gtk::HBox   timecode_packer_hbox;
  89         Gtk::HBox   timecode_packer;
  90
  91         Gtk::HBox   minsec_packer_hbox;
  92         Gtk::HBox   minsec_packer;
  93
  94         Gtk::HBox   bbt_packer_hbox;
  95         Gtk::HBox   bbt_packer;
  96
  97         Gtk::HBox   frames_packer_hbox;
  98         Gtk::HBox   frames_packer;
  99
 100         enum Field {
 101                 Timecode_Hours,
 102                 Timecode_Minutes,
 103                 Timecode_Seconds,
 104                 Timecode_Frames,
 105                 MS_Hours,
 106                 MS_Minutes,
 107                 MS_Seconds,
 108                 Bars,
 109                 Beats,
 110                 Ticks,
 111                 AudioFrames
 112         };
 113
 114         Gtk::EventBox  audio_frames_ebox;
 115         Gtk::Label     audio_frames_label;
 116
 117         Gtk::HBox      off_hbox;
 118
 119         Gtk::EventBox  hours_ebox;
 120         Gtk::EventBox  minutes_ebox;
 121         Gtk::EventBox  seconds_ebox;
 122         Gtk::EventBox  frames_ebox;
 123
 124         Gtk::EventBox  ms_hours_ebox;
 125         Gtk::EventBox  ms_minutes_ebox;
 126         Gtk::EventBox  ms_seconds_ebox;
 127
 128         Gtk::EventBox  bars_ebox;
 129         Gtk::EventBox  beats_ebox;
 130         Gtk::EventBox  ticks_ebox;
 131
 132         Gtk::Label  hours_label;
 133         Gtk::Label  minutes_label;
 134         Gtk::Label  seconds_label;
 135         Gtk::Label  frames_label;
 136         Gtk::Label  colon1, colon2, colon3;
 137
 138         Gtk::Label  ms_hours_label;
 139         Gtk::Label  ms_minutes_label;
 140         Gtk::Label  ms_seconds_label;
 141         Gtk::Label  colon4, colon5;
 142
 143         Gtk::Label  bars_label;
 144         Gtk::Label  beats_label;
 145         Gtk::Label  ticks_label;
 146         Gtk::Label  b1;
 147         Gtk::Label  b2;
 148
 149         Gtk::Label*  frames_upper_info_label;
 150         Gtk::Label*  frames_lower_info_label;
 151
 152         Gtk::Label*  timecode_upper_info_label;
 153         Gtk::Label*  timecode_lower_info_label;
 154
 155         Gtk::Label*  bbt_upper_info_label;
 156         Gtk::Label*  bbt_lower_info_label;
 157
 158         Gtk::VBox   frames_info_box;
 159         Gtk::VBox   timecode_info_box;
 160         Gtk::VBox   bbt_info_box;
 161
 162         Gtk::EventBox  clock_base;
 163         Gtk::Frame     clock_frame;
 164
 165         nframes64_t bbt_reference_time;
 166         nframes_t last_when;
 167         bool last_pdelta;
 168         bool last_sdelta;
 169
 170         uint32_t last_hrs;
 171         uint32_t last_mins;
 172         uint32_t last_secs;
 173         uint32_t last_frames;
 174         bool last_negative;
 175
 176         long  ms_last_hrs;
 177         long  ms_last_mins;
 178         float ms_last_secs;
 179
 180         bool dragging;
 181         double drag_start_y;
 182         double drag_y;
 183         double drag_accum;
 184
 185         void on_realize ();
 186
 187         bool field_motion_notify_event (GdkEventMotion *ev, Field);
 188         bool field_button_press_event (GdkEventButton *ev, Field);
 189         bool field_button_release_event (GdkEventButton *ev, Field);
 190         bool field_button_scroll_event (GdkEventScroll *ev, Field);
 191         bool field_key_press_event (GdkEventKey *, Field);
 192         bool field_key_release_event (GdkEventKey *, Field);
 193         bool field_focus_in_event (GdkEventFocus *, Field);
 194         bool field_focus_out_event (GdkEventFocus *, Field);
 195         bool drop_focus_handler (GdkEventFocus*);
 196
 197         void set_timecode (nframes_t, bool);
 198         void set_bbt (nframes_t, bool);
 199         void set_minsec (nframes_t, bool);
 200         void set_frames (nframes_t, bool);
 201
 202         nframes_t get_frames (Field,nframes_t pos = 0,int dir=1);
 203
 204         void timecode_sanitize_display();
 205         nframes_t timecode_frame_from_display () const;
 206         nframes_t bbt_frame_from_display (nframes_t) const;
 207         nframes_t bbt_frame_duration_from_display (nframes_t) const;
 208         nframes_t minsec_frame_from_display () const;
 209         nframes_t audio_frame_from_display () const;
 210
 211         void build_ops_menu ();
 212         void setup_events ();
 213
 214         void timecode_offset_changed ();
 215         void set_size_requests ();
 216
 217         static const uint32_t field_length[(int)AudioFrames+1];
 218         static bool _has_focus;
 219
 220         void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
 221 };
 222
 223 #endif /* __audio_clock_h__ */