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 <map>
  24 #include <gtkmm/box.h>
  25 #include <gtkmm/menu.h>
  26 #include <gtkmm/eventbox.h>
  27 #include <gtkmm/label.h>
  28 #include <gtkmm/frame.h>
  29 #include "ardour/ardour.h"
  30 #include "ardour/session_handle.h"
  31
  32 namespace ARDOUR {
  33         class Session;
  34 }
  35
  36 class AudioClock : public Gtk::HBox, public ARDOUR::SessionHandlePtr
  37 {
  38   public:
  39         enum Mode {
  40                 Timecode,
  41                 BBT,
  42                 MinSec,
  43                 Frames,
  44                 Off
  45         };
  46
  47         AudioClock (const std::string& clock_name, bool is_transient, const std::string& widget_name,
  48                     bool editable, bool follows_playhead, bool duration = false, bool with_info = false);
  49
  50         Mode mode() const { return _mode; }
  51
  52         void focus ();
  53
  54         void set (framepos_t, bool force = false, ARDOUR::framecnt_t offset = 0, char which = 0);
  55         void set_from_playhead ();
  56         void locate ();
  57         void set_mode (Mode);
  58         void set_bbt_reference (framepos_t);
  59         void set_is_duration (bool);
  60
  61         void set_widget_name (std::string);
  62
  63         std::string name() const { return _name; }
  64
  65         framepos_t current_time (framepos_t position = 0) const;
  66         framepos_t current_duration (framepos_t position = 0) const;
  67         void set_session (ARDOUR::Session *s);
  68
  69         sigc::signal<void> ValueChanged;
  70         sigc::signal<void> mode_changed;
  71         sigc::signal<void> ChangeAborted;
  72
  73         static sigc::signal<void> ModeChanged;
  74         static std::vector<AudioClock*> clocks;
  75
  76         static bool has_focus() { return _has_focus; }
  77
  78   private:
  79         Mode             _mode;
  80         uint32_t          key_entry_state;
  81         std::string      _name;
  82         bool              is_transient;
  83         bool              is_duration;
  84         bool              editable;
  85         /** true if this clock follows the playhead, meaning that certain operations are redundant */
  86         bool             _follows_playhead;
  87
  88         Gtk::Menu  *ops_menu;
  89
  90         Gtk::HBox   timecode_packer_hbox;
  91         Gtk::HBox   timecode_packer;
  92
  93         Gtk::HBox   minsec_packer_hbox;
  94         Gtk::HBox   minsec_packer;
  95
  96         Gtk::HBox   bbt_packer_hbox;
  97         Gtk::HBox   bbt_packer;
  98
  99         Gtk::HBox   frames_packer_hbox;
 100         Gtk::HBox   frames_packer;
 101
 102         enum Field {
 103                 Timecode_Hours,
 104                 Timecode_Minutes,
 105                 Timecode_Seconds,
 106                 Timecode_Frames,
 107                 MS_Hours,
 108                 MS_Minutes,
 109                 MS_Seconds,
 110                 MS_Milliseconds,
 111                 Bars,
 112                 Beats,
 113                 Ticks,
 114                 AudioFrames
 115         };
 116
 117         /** EventBoxes for each of our Field entries */
 118         std::map<Field, Gtk::EventBox*> _eboxes;
 119         Gtk::Label const * label (Field) const;
 120         /** Labels for each of our Field entries */
 121         std::map<Field, Gtk::Label*> _labels;
 122
 123         Gtk::HBox      off_hbox;
 124
 125         Gtk::Label  colon1, colon2, colon3;
 126         Gtk::Label  colon4, colon5;
 127         Gtk::Label  period1;
 128         Gtk::Label  b1;
 129         Gtk::Label  b2;
 130
 131         Gtk::Label*  frames_upper_info_label;
 132         Gtk::Label*  frames_lower_info_label;
 133
 134         Gtk::Label*  timecode_upper_info_label;
 135         Gtk::Label*  timecode_lower_info_label;
 136
 137         Gtk::Label*  bbt_upper_info_label;
 138         Gtk::Label*  bbt_lower_info_label;
 139
 140         Gtk::VBox   frames_info_box;
 141         Gtk::VBox   timecode_info_box;
 142         Gtk::VBox   bbt_info_box;
 143
 144         Gtk::EventBox  clock_base;
 145         Gtk::Frame     clock_frame;
 146
 147         framepos_t bbt_reference_time;
 148         framepos_t last_when;
 149         bool last_pdelta;
 150         bool last_sdelta;
 151
 152         uint32_t last_hrs;
 153         uint32_t last_mins;
 154         uint32_t last_secs;
 155         uint32_t last_frames;
 156         bool last_negative;
 157
 158         long  ms_last_hrs;
 159         long  ms_last_mins;
 160         int   ms_last_secs;
 161         int   ms_last_millisecs;
 162
 163         bool dragging;
 164         double drag_start_y;
 165         double drag_y;
 166         double drag_accum;
 167
 168         /** true if the time of this clock is the one displayed in its widgets.
 169          *  if false, the time in the widgets is an approximation of _canonical_time,
 170          *  and _canonical_time should be returned as the `current' time of the clock.
 171          */
 172         bool _canonical_time_is_displayed;
 173         framepos_t _canonical_time;
 174
 175         void on_realize ();
 176
 177         bool field_motion_notify_event (GdkEventMotion *ev, Field);
 178         bool field_button_press_event (GdkEventButton *ev, Field);
 179         bool field_button_release_event (GdkEventButton *ev, Field);
 180         bool field_button_scroll_event (GdkEventScroll *ev, Field);
 181         bool field_key_press_event (GdkEventKey *, Field);
 182         bool field_key_release_event (GdkEventKey *, Field);
 183         bool field_focus_in_event (GdkEventFocus *, Field);
 184         bool field_focus_out_event (GdkEventFocus *, Field);
 185         bool drop_focus_handler (GdkEventFocus*);
 186
 187         void set_timecode (framepos_t, bool);
 188         void set_bbt (framepos_t, bool);
 189         void set_minsec (framepos_t, bool);
 190         void set_frames (framepos_t, bool);
 191
 192         framepos_t get_frames (Field, framepos_t pos = 0, int dir = 1);
 193
 194         void timecode_sanitize_display();
 195         framepos_t timecode_frame_from_display () const;
 196         framepos_t bbt_frame_from_display (framepos_t) const;
 197         framepos_t bbt_frame_duration_from_display (framepos_t) const;
 198         framepos_t minsec_frame_from_display () const;
 199         framepos_t audio_frame_from_display () const;
 200
 201         void build_ops_menu ();
 202         void setup_events ();
 203
 204         void session_configuration_changed (std::string);
 205         void set_size_requests ();
 206
 207         static const uint32_t field_length[(int)AudioFrames+1];
 208         static bool _has_focus;
 209
 210         void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
 211 };
 212
 213 #endif /* __audio_clock_h__ */