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 (framepos_t, bool force = false, ARDOUR::framecnt_t offset = 0, char which = 0);
  54         void set_from_playhead ();
  55         void locate ();
  56         void set_mode (Mode);
  57         void set_bbt_reference (framepos_t);
  58         void set_is_duration (bool);
  59
  60         void set_widget_name (std::string);
  61
  62         std::string name() const { return _name; }
  63
  64         framepos_t current_time (framepos_t position = 0) const;
  65         framepos_t current_duration (framepos_t position = 0) const;
  66         void set_session (ARDOUR::Session *s);
  67
  68         sigc::signal<void> ValueChanged;
  69         sigc::signal<void> mode_changed;
  70         sigc::signal<void> ChangeAborted;
  71
  72         static sigc::signal<void> ModeChanged;
  73         static std::vector<AudioClock*> clocks;
  74
  75         static bool has_focus() { return _has_focus; }
  76
  77   private:
  78         Mode             _mode;
  79         uint32_t          key_entry_state;
  80         std::string      _name;
  81         bool              is_transient;
  82         bool              is_duration;
  83         bool              editable;
  84         /** true if this clock follows the playhead, meaning that certain operations are redundant */
  85         bool             _follows_playhead;
  86
  87         Gtk::Menu  *ops_menu;
  88
  89         Gtk::HBox   timecode_packer_hbox;
  90         Gtk::HBox   timecode_packer;
  91
  92         Gtk::HBox   minsec_packer_hbox;
  93         Gtk::HBox   minsec_packer;
  94
  95         Gtk::HBox   bbt_packer_hbox;
  96         Gtk::HBox   bbt_packer;
  97
  98         Gtk::HBox   frames_packer_hbox;
  99         Gtk::HBox   frames_packer;
 100
 101         enum Field {
 102                 Timecode_Hours,
 103                 Timecode_Minutes,
 104                 Timecode_Seconds,
 105                 Timecode_Frames,
 106                 MS_Hours,
 107                 MS_Minutes,
 108                 MS_Seconds,
 109                 Bars,
 110                 Beats,
 111                 Ticks,
 112                 AudioFrames
 113         };
 114
 115         Gtk::EventBox  audio_frames_ebox;
 116         Gtk::Label     audio_frames_label;
 117
 118         Gtk::HBox      off_hbox;
 119
 120         Gtk::EventBox  hours_ebox;
 121         Gtk::EventBox  minutes_ebox;
 122         Gtk::EventBox  seconds_ebox;
 123         Gtk::EventBox  frames_ebox;
 124
 125         Gtk::EventBox  ms_hours_ebox;
 126         Gtk::EventBox  ms_minutes_ebox;
 127         Gtk::EventBox  ms_seconds_ebox;
 128
 129         Gtk::EventBox  bars_ebox;
 130         Gtk::EventBox  beats_ebox;
 131         Gtk::EventBox  ticks_ebox;
 132
 133         Gtk::Label  hours_label;
 134         Gtk::Label  minutes_label;
 135         Gtk::Label  seconds_label;
 136         Gtk::Label  frames_label;
 137         Gtk::Label  colon1, colon2, colon3;
 138
 139         Gtk::Label  ms_hours_label;
 140         Gtk::Label  ms_minutes_label;
 141         Gtk::Label  ms_seconds_label;
 142         Gtk::Label  colon4, colon5;
 143
 144         Gtk::Label  bars_label;
 145         Gtk::Label  beats_label;
 146         Gtk::Label  ticks_label;
 147         Gtk::Label  b1;
 148         Gtk::Label  b2;
 149
 150         Gtk::Label*  frames_upper_info_label;
 151         Gtk::Label*  frames_lower_info_label;
 152
 153         Gtk::Label*  timecode_upper_info_label;
 154         Gtk::Label*  timecode_lower_info_label;
 155
 156         Gtk::Label*  bbt_upper_info_label;
 157         Gtk::Label*  bbt_lower_info_label;
 158
 159         Gtk::VBox   frames_info_box;
 160         Gtk::VBox   timecode_info_box;
 161         Gtk::VBox   bbt_info_box;
 162
 163         Gtk::EventBox  clock_base;
 164         Gtk::Frame     clock_frame;
 165
 166         framepos_t bbt_reference_time;
 167         framepos_t last_when;
 168         bool last_pdelta;
 169         bool last_sdelta;
 170
 171         uint32_t last_hrs;
 172         uint32_t last_mins;
 173         uint32_t last_secs;
 174         uint32_t last_frames;
 175         bool last_negative;
 176
 177         long  ms_last_hrs;
 178         long  ms_last_mins;
 179         float ms_last_secs;
 180
 181         bool dragging;
 182         double drag_start_y;
 183         double drag_y;
 184         double drag_accum;
 185
 186         /** true if the time of this clock is the one displayed in its widgets.
 187          *  if false, the time in the widgets is an approximation of _canonical_time,
 188          *  and _canonical_time should be returned as the `current' time of the clock.
 189          */
 190         bool _canonical_time_is_displayed;
 191         framepos_t _canonical_time;
 192
 193         void on_realize ();
 194
 195         bool field_motion_notify_event (GdkEventMotion *ev, Field);
 196         bool field_button_press_event (GdkEventButton *ev, Field);
 197         bool field_button_release_event (GdkEventButton *ev, Field);
 198         bool field_button_scroll_event (GdkEventScroll *ev, Field);
 199         bool field_key_press_event (GdkEventKey *, Field);
 200         bool field_key_release_event (GdkEventKey *, Field);
 201         bool field_focus_in_event (GdkEventFocus *, Field);
 202         bool field_focus_out_event (GdkEventFocus *, Field);
 203         bool drop_focus_handler (GdkEventFocus*);
 204
 205         void set_timecode (framepos_t, bool);
 206         void set_bbt (framepos_t, bool);
 207         void set_minsec (framepos_t, bool);
 208         void set_frames (framepos_t, bool);
 209
 210         framepos_t get_frames (Field, framepos_t pos = 0, int dir = 1);
 211
 212         void timecode_sanitize_display();
 213         framepos_t timecode_frame_from_display () const;
 214         framepos_t bbt_frame_from_display (framepos_t) const;
 215         framepos_t bbt_frame_duration_from_display (framepos_t) const;
 216         framepos_t minsec_frame_from_display () const;
 217         framepos_t audio_frame_from_display () const;
 218
 219         void build_ops_menu ();
 220         void setup_events ();
 221
 222         void session_configuration_changed (std::string);
 223         void set_size_requests ();
 224
 225         static const uint32_t field_length[(int)AudioFrames+1];
 226         static bool _has_focus;
 227
 228         void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
 229 };
 230
 231 #endif /* __audio_clock_h__ */