Colin Fletcher
3cb2f25d89
If this parameter is passed as 'true', then edits to the clock will be accepted when the user clicks away from the clock, rather than unconditionally discarded as hitherto.
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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