263 lines
7.3 KiB
C++
263 lines
7.3 KiB
C++
/*
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Copyright (C) 1999 Paul Davis
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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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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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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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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Frames
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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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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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void set (framepos_t, bool force = false, ARDOUR::framecnt_t offset = 0);
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void set_from_playhead ();
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void locate ();
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void set_mode (Mode);
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void set_bbt_reference (framepos_t);
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void set_is_duration (bool);
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void copy_text_to_clipboard () const;
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std::string name() const { return _name; }
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framepos_t current_time (framepos_t position = 0) const;
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framepos_t current_duration (framepos_t position = 0) 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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/** 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 (framepos_t, char* buf, size_t bufsize, float frame_rate);
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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_t*, cairo_rectangle_t*);
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bool get_is_duration () const { return is_duration; } ;
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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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bool is_lower_layout_click(int y) const {
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return y > upper_height + separator_height;
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}
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bool is_right_layout_click(int x) const {
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return x > x_leading_padding + get_left_rect_width() + separator_height;
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}
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double get_left_rect_width() const {
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return round (((get_width() - separator_height) * mode_based_info_ratio) + 0.5);
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}
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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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Glib::RefPtr<Pango::Layout> _layout;
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Glib::RefPtr<Pango::Layout> _left_layout;
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Glib::RefPtr<Pango::Layout> _right_layout;
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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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Pango::AttrList info_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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int info_height;
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int upper_height;
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double mode_based_info_ratio;
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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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AudioFrames,
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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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framepos_t bbt_reference_time;
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framepos_t last_when;
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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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void on_size_allocate (Gtk::Allocation&);
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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 (framepos_t, bool);
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void set_bbt (framepos_t, bool);
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void set_minsec (framepos_t, bool);
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void set_frames (framepos_t, bool);
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void set_clock_dimensions (Gtk::Requisition&);
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framepos_t get_frame_step (Field, framepos_t pos = 0, int dir = 1);
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bool timecode_validate_edit (const std::string&);
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bool bbt_validate_edit (const std::string&);
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bool minsec_validate_edit (const std::string&);
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framepos_t frames_from_timecode_string (const std::string&) const;
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framepos_t frames_from_bbt_string (framepos_t, const std::string&) const;
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framepos_t frame_duration_from_bbt_string (framepos_t, const std::string&) const;
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framepos_t frames_from_minsec_string (const std::string&) const;
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framepos_t frames_from_audioframes_string (const std::string&) const;
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void session_configuration_changed (std::string);
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void session_property_changed (const PBD::PropertyChange&);
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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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ARDOUR::framecnt_t parse_as_distance (const std::string&);
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ARDOUR::framecnt_t parse_as_timecode_distance (const std::string&);
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ARDOUR::framecnt_t parse_as_minsec_distance (const std::string&);
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ARDOUR::framecnt_t parse_as_bbt_distance (const std::string&);
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ARDOUR::framecnt_t parse_as_frames_distance (const std::string&);
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void set_font (Pango::FontDescription);
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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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};
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#endif /* __audio_clock_h__ */
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