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/*
Copyright (C) 2011 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 __gtk2_ardour_shuttle_control_h__
#define __gtk2_ardour_shuttle_control_h__
#include <gtkmm/drawingarea.h>
#include "gtkmm2ext/binding_proxy.h"
#include "gtkmm2ext/cairo_widget.h"
#include "pbd/controllable.h"
#include "ardour/session_handle.h"
#include "ardour/types.h"
#include "ardour_button.h"
namespace Gtk {
class Menu;
}
class ShuttleControl : public CairoWidget, public ARDOUR::SessionHandlePtr
{
public:
ShuttleControl ();
~ShuttleControl ();
void map_transport_state ();
void set_shuttle_fract (double, bool zero_ok = false);
double get_shuttle_fract () const { return shuttle_fract; }
void set_session (ARDOUR::Session*);
struct ShuttleControllable : public PBD::Controllable {
ShuttleControllable (ShuttleControl&);
void set_value (double, PBD::Controllable::GroupControlDisposition group_override);
double get_value (void) const;
double lower() const { return -1.0; }
double upper() const { return 1.0; }
ShuttleControl& sc;
};
boost::shared_ptr<ShuttleControllable> controllable() const { return _controllable; }
void set_colors ();
ArdourButton* info_button () { return &_info_button; }
protected:
bool _hovering;
float shuttle_max_speed;
float last_speed_displayed;
bool shuttle_grabbed;
double shuttle_speed_on_grab;
double requested_speed;
float shuttle_fract;
boost::shared_ptr<ShuttleControllable> _controllable;
cairo_pattern_t* pattern;
cairo_pattern_t* shine_pattern;
ARDOUR::microseconds_t last_shuttle_request;
PBD::ScopedConnection parameter_connection;
ArdourButton _info_button;
Gtk::Menu* shuttle_unit_menu;
Gtk::Menu* shuttle_style_menu;
Gtk::Menu* shuttle_context_menu;
BindingProxy binding_proxy;
float bg_r, bg_g, bg_b;
void build_shuttle_context_menu ();
void show_shuttle_context_menu ();
void shuttle_style_changed();
void shuttle_unit_clicked ();
void set_shuttle_max_speed (float);
void reset_speed ();
bool on_enter_notify_event (GdkEventCrossing*);
bool on_leave_notify_event (GdkEventCrossing*);
bool on_button_press_event (GdkEventButton*);
bool on_button_release_event(GdkEventButton*);
bool on_scroll_event (GdkEventScroll*);
bool on_motion_notify_event(GdkEventMotion*);
void render (cairo_t *, cairo_rectangle_t*);
void on_size_allocate (Gtk::Allocation&);
bool on_query_tooltip (int, int, bool, const Glib::RefPtr<Gtk::Tooltip>&);
gint mouse_shuttle (double x, bool force);
void use_shuttle_fract (bool force, bool zero_ok = false);
void parameter_changed (std::string);
void set_shuttle_units (ARDOUR::ShuttleUnits);
void set_shuttle_style (ARDOUR::ShuttleBehaviour);
int speed_as_semitones (float, bool&);
int fract_as_semitones (float, bool&);
float semitones_as_speed (int, bool);
float semitones_as_fract (int, bool);
};
#endif /* __gtk2_ardour_shuttle_control_h__ */
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