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/*
Copyright (C) 1999 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __audio_clock_h__
#define __audio_clock_h__
#include <map>
#include <vector>
#include <pangomm.h>
#include <gtkmm/alignment.h>
#include <gtkmm/box.h>
#include <gtkmm/menu.h>
#include <gtkmm/label.h>
#include "ardour/ardour.h"
#include "ardour/session_handle.h"
#include "gtkmm2ext/cairo_widget.h"
namespace ARDOUR {
class Session;
}
class AudioClock : public CairoWidget, public ARDOUR::SessionHandlePtr
{
public:
enum Mode {
Timecode,
BBT,
MinSec,
Frames
};
AudioClock (const std::string& clock_name, bool is_transient, const std::string& widget_name,
bool editable, bool follows_playhead, bool duration = false, bool with_info = false,
bool accept_on_focus_out = false);
~AudioClock ();
Mode mode() const { return _mode; }
void set_off (bool yn);
bool off() const { return _off; }
void set_widget_name (const std::string& name);
void set_active_state (Gtkmm2ext::ActiveState s);
void set_editable (bool yn);
void set_corner_radius (double);
void focus ();
void set (framepos_t, bool force = false, ARDOUR::framecnt_t offset = 0);
void set_from_playhead ();
void locate ();
void set_mode (Mode, bool noemit = false);
void set_bbt_reference (framepos_t);
void set_is_duration (bool);
void copy_text_to_clipboard () const;
std::string name() const { return _name; }
framepos_t current_time (framepos_t position = 0) const;
framepos_t current_duration (framepos_t position = 0) const;
void set_session (ARDOUR::Session *s);
void set_negative_allowed (bool yn);
/** Alter cairo scaling during rendering.
*
* Used by clocks that resize themselves
* to fit any given space. Can lead
* to font distortion.
*/
void set_scale (double x, double y);
static void print_minsec (framepos_t, char* buf, size_t bufsize, float frame_rate);
sigc::signal<void> ValueChanged;
sigc::signal<void> mode_changed;
sigc::signal<void> ChangeAborted;
static sigc::signal<void> ModeChanged;
static std::vector<AudioClock*> clocks;
protected:
void render (cairo_t*, cairo_rectangle_t*);
bool get_is_duration () const { return is_duration; } ;
virtual void build_ops_menu ();
Gtk::Menu *ops_menu;
bool on_button_press_event (GdkEventButton *ev);
bool on_button_release_event(GdkEventButton *ev);
bool is_lower_layout_click(int y) const {
return y > upper_height + separator_height;
}
bool is_right_layout_click(int x) const {
return x > x_leading_padding + get_left_rect_width() + separator_height;
}
double get_left_rect_width() const {
return round (((get_width() - separator_height) * mode_based_info_ratio) + 0.5);
}
private:
Mode _mode;
std::string _name;
bool is_transient;
bool is_duration;
bool editable;
/** true if this clock follows the playhead, meaning that certain operations are redundant */
bool _follows_playhead;
bool _accept_on_focus_out;
bool _off;
int em_width;
bool _edit_by_click_field;
bool _negative_allowed;
bool edit_is_negative;
Glib::RefPtr<Pango::Layout> _layout;
Glib::RefPtr<Pango::Layout> _left_layout;
Glib::RefPtr<Pango::Layout> _right_layout;
Pango::AttrColor* editing_attr;
Pango::AttrColor* foreground_attr;
Pango::AttrList normal_attributes;
Pango::AttrList editing_attributes;
Pango::AttrList info_attributes;
int first_height;
int first_width;
bool style_resets_first;
int layout_height;
int layout_width;
int info_height;
int upper_height;
double mode_based_info_ratio;
double corner_radius;
uint32_t font_size;
static const double info_font_scale_factor;
static const double separator_height;
static const double x_leading_padding;
enum Field {
Timecode_Hours = 1,
Timecode_Minutes,
Timecode_Seconds,
Timecode_Frames,
MS_Hours,
MS_Minutes,
MS_Seconds,
MS_Milliseconds,
Bars,
Beats,
Ticks,
AudioFrames,
};
Field index_to_field (int index) const;
/* this maps the number of input characters/digits when editing
to a cursor position. insert_map[N] = index of character/digit
where the cursor should be after N chars/digits. it is
mode specific and so it is filled during set_mode().
*/
std::vector<int> insert_map;
bool editing;
std::string edit_string;
std::string pre_edit_string;
std::string input_string;
framepos_t bbt_reference_time;
framepos_t last_when;
bool last_pdelta;
bool last_sdelta;
bool dragging;
double drag_start_y;
double drag_y;
double drag_accum;
Field drag_field;
void on_realize ();
bool on_key_press_event (GdkEventKey *);
bool on_key_release_event (GdkEventKey *);
bool on_scroll_event (GdkEventScroll *ev);
void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
void on_size_request (Gtk::Requisition* req);
bool on_motion_notify_event (GdkEventMotion *ev);
void on_size_allocate (Gtk::Allocation&);
bool on_focus_out_event (GdkEventFocus*);
void set_slave_info ();
void set_timecode (framepos_t, bool);
void set_bbt (framepos_t, ARDOUR::framecnt_t, bool);
void set_minsec (framepos_t, bool);
void set_frames (framepos_t, bool);
void set_clock_dimensions (Gtk::Requisition&);
framepos_t get_frame_step (Field, framepos_t pos = 0, int dir = 1);
bool timecode_validate_edit (const std::string&);
bool bbt_validate_edit (const std::string&);
bool minsec_validate_edit (const std::string&);
framepos_t frames_from_timecode_string (const std::string&) const;
framepos_t frames_from_bbt_string (framepos_t, const std::string&) const;
framepos_t frame_duration_from_bbt_string (framepos_t, const std::string&) const;
framepos_t frames_from_minsec_string (const std::string&) const;
framepos_t frames_from_audioframes_string (const std::string&) const;
void session_configuration_changed (std::string);
void session_property_changed (const PBD::PropertyChange&);
void metric_position_changed ();
Field index_to_field () const;
void start_edit (Field f = Field (0));
void end_edit (bool);
void end_edit_relative (bool);
void edit_next_field ();
ARDOUR::framecnt_t parse_as_distance (const std::string&);
ARDOUR::framecnt_t parse_as_timecode_distance (const std::string&);
ARDOUR::framecnt_t parse_as_minsec_distance (const std::string&);
ARDOUR::framecnt_t parse_as_bbt_distance (const std::string&);
ARDOUR::framecnt_t parse_as_frames_distance (const std::string&);
void set_font (Pango::FontDescription);
void set_colors ();
void show_edit_status (int length);
int merge_input_and_edit_string ();
std::string get_field (Field);
void drop_focus ();
void dpi_reset ();
double bg_r, bg_g, bg_b, bg_a;
double cursor_r, cursor_g, cursor_b, cursor_a;
double xscale;
double yscale;
};
#endif /* __audio_clock_h__ */
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