Paul Davis
45e21de209
The class now has two separate methods for setting a duration or a point value. They MUST be used appropriately, because their behavior is different. When ::set_duration() is used in timecode mode, an extent (inclusive-end length) is shown rather than a length. Some objects, such as the TimeInfoBox, now deliberately shown an inclusive end for their "end" clock, but this not universally followed, pending more feedback from users and investigating of conventions in other DAWs.
282 lines
8.3 KiB
C++
282 lines
8.3 KiB
C++
/*
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* Copyright (C) 2005-2006 Taybin Rutkin <taybin@taybin.com>
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* Copyright (C) 2005-2018 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2007 Doug McLain <doug@nostar.net>
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* Copyright (C) 2008-2011 David Robillard <d@drobilla.net>
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* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2012-2017 Robin Gareus <robin@gareus.org>
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* Copyright (C) 2015 Colin Fletcher <colin.m.fletcher@googlemail.com>
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* Copyright (C) 2016-2017 Nick Mainsbridge <mainsbridge@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __audio_clock_h__
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#define __audio_clock_h__
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#include <map>
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#include <vector>
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#include <pangomm.h>
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#include <gtkmm/alignment.h>
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#include <gtkmm/box.h>
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#include <gtkmm/menu.h>
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#include <gtkmm/label.h>
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#include "ardour/ardour.h"
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#include "ardour/session_handle.h"
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#include "gtkmm2ext/cairo_widget.h"
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#include "widgets/ardour_button.h"
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namespace ARDOUR {
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class Session;
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}
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class AudioClock : public CairoWidget, public ARDOUR::SessionHandlePtr
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{
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public:
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enum Mode {
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Timecode,
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BBT,
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MinSec,
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Seconds,
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Samples
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};
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AudioClock (const std::string& clock_name, bool is_transient, const std::string& widget_name,
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bool editable, bool follows_playhead, bool duration = false, bool with_info = false,
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bool accept_on_focus_out = false);
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~AudioClock ();
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Mode mode() const { return _mode; }
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void set_off (bool yn);
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bool off() const { return _off; }
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bool on() const { return !_off; }
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void set_widget_name (const std::string& name);
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void set_active_state (Gtkmm2ext::ActiveState s);
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void set_editable (bool yn);
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void set_corner_radius (double);
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void focus ();
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/* overriden by MainClock */
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virtual void set (Temporal::timepos_t const &, bool force = false);
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void set_duration (Temporal::timecnt_t const &, bool force = false);
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void set_from_playhead ();
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void locate ();
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void set_mode (Mode, bool noemit = false);
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void set_bbt_reference (Temporal::timepos_t const &);
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void copy_text_to_clipboard () const;
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std::string name() const { return _name; }
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Temporal::timepos_t current_time () const;
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Temporal::timecnt_t current_duration (Temporal::timepos_t position = Temporal::timepos_t()) const;
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void set_session (ARDOUR::Session *s);
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void set_negative_allowed (bool yn);
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ArdourWidgets::ArdourButton* left_btn () { return &_left_btn; }
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ArdourWidgets::ArdourButton* right_btn () { return &_right_btn; }
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/** Alter cairo scaling during rendering.
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*
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* Used by clocks that resize themselves
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* to fit any given space. Can lead
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* to font distortion.
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*/
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void set_scale (double x, double y);
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static void print_minsec (samplepos_t, char* buf, size_t bufsize, float sample_rate, int decimals = 3);
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sigc::signal<void> ValueChanged;
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sigc::signal<void> mode_changed;
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sigc::signal<void> ChangeAborted;
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static sigc::signal<void> ModeChanged;
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static std::vector<AudioClock*> clocks;
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protected:
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void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
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bool get_is_duration () const { return is_duration; }
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Temporal::timecnt_t offset () const { return _offset; }
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virtual void build_ops_menu ();
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Gtk::Menu *ops_menu;
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bool on_button_press_event (GdkEventButton *ev);
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bool on_button_release_event(GdkEventButton *ev);
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ArdourWidgets::ArdourButton _left_btn;
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ArdourWidgets::ArdourButton _right_btn;
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private:
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Mode _mode;
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std::string _name;
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bool is_transient;
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bool is_duration;
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bool editable;
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/** true if this clock follows the playhead, meaning that certain operations are redundant */
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bool _follows_playhead;
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bool _accept_on_focus_out;
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bool _off;
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int em_width;
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bool _edit_by_click_field;
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bool _negative_allowed;
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bool edit_is_negative;
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Temporal::timepos_t _limit_pos;
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Temporal::timepos_t duration_position;
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Temporal::timecnt_t _offset;
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Glib::RefPtr<Pango::Layout> _layout;
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bool _with_info;
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Pango::AttrColor* editing_attr;
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Pango::AttrColor* foreground_attr;
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Pango::AttrList normal_attributes;
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Pango::AttrList editing_attributes;
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int first_height;
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int first_width;
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bool style_resets_first;
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int layout_height;
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int layout_width;
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double corner_radius;
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uint32_t font_size;
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static const double info_font_scale_factor;
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static const double separator_height;
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static const double x_leading_padding;
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enum Field {
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Timecode_Hours = 1,
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Timecode_Minutes,
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Timecode_Seconds,
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Timecode_frames,
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MS_Hours,
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MS_Minutes,
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MS_Seconds,
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MS_Milliseconds,
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Bars,
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Beats,
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Ticks,
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SS_Seconds,
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SS_Deciseconds,
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S_Samples,
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};
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Field index_to_field (int index) const;
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/* this maps the number of input characters/digits when editing
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to a cursor position. insert_map[N] = index of character/digit
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where the cursor should be after N chars/digits. it is
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mode specific and so it is filled during set_mode().
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*/
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std::vector<int> insert_map;
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bool editing;
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std::string edit_string;
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std::string pre_edit_string;
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std::string input_string;
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Temporal::timecnt_t last_time;
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Temporal::timepos_t last_when() const { return last_time.position(); }
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bool last_pdelta;
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bool last_sdelta;
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bool dragging;
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double drag_start_y;
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double drag_y;
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double drag_accum;
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Field drag_field;
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void on_realize ();
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bool on_key_press_event (GdkEventKey *);
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bool on_key_release_event (GdkEventKey *);
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bool on_scroll_event (GdkEventScroll *ev);
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void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
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void on_size_request (Gtk::Requisition* req);
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bool on_motion_notify_event (GdkEventMotion *ev);
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bool on_focus_out_event (GdkEventFocus*);
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void set_slave_info ();
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void set_timecode (Temporal::timepos_t const &, bool);
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void set_bbt (Temporal::timecnt_t const &, bool);
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void set_minsec (Temporal::timepos_t const &, bool);
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void set_seconds (Temporal::timepos_t const &, bool);
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void set_samples (Temporal::timepos_t const &, bool);
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void set_out_of_bounds (bool negative);
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void finish_set (Temporal::timepos_t const &, bool);
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void set_clock_dimensions (Gtk::Requisition&);
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Temporal::timepos_t get_incremental_step (Field, Temporal::timepos_t const & pos = Temporal::timepos_t ());
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bool timecode_validate_edit (const std::string&);
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bool bbt_validate_edit (std::string&);
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bool minsec_validate_edit (const std::string&);
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samplepos_t samples_from_timecode_string (const std::string&) const;
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samplepos_t samples_from_bbt_string (Temporal::timepos_t const &, const std::string&) const;
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samplepos_t sample_duration_from_bbt_string (Temporal::timepos_t const &, const std::string&) const;
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samplepos_t samples_from_minsec_string (const std::string&) const;
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samplepos_t samples_from_seconds_string (const std::string&) const;
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samplepos_t samples_from_audiosamples_string (const std::string&) const;
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void session_configuration_changed (std::string);
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void tempo_map_changed ();
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Field index_to_field () const;
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void start_edit (Field f = Field (0));
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void end_edit (bool);
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void end_edit_relative (bool);
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void edit_next_field ();
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Temporal::timecnt_t parse_as_distance (const std::string&);
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Temporal::timecnt_t parse_as_timecode_distance (const std::string&);
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Temporal::timecnt_t parse_as_minsec_distance (const std::string&);
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Temporal::timecnt_t parse_as_bbt_distance (const std::string&);
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Temporal::timecnt_t parse_as_seconds_distance (const std::string&);
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Temporal::timecnt_t parse_as_samples_distance (const std::string&);
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void set_colors ();
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void show_edit_status (int length);
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int merge_input_and_edit_string ();
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std::string get_field (Field);
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void drop_focus ();
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void dpi_reset ();
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double bg_r, bg_g, bg_b, bg_a;
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double cursor_r, cursor_g, cursor_b, cursor_a;
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double xscale;
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double yscale;
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PBD::ScopedConnection tempo_map_connection;
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};
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#endif /* __audio_clock_h__ */
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