138 lines
3.6 KiB
C++
138 lines
3.6 KiB
C++
/*
|
|
* Copyright (C) 2014 Paul Davis <paul@linuxaudiosystems.com>
|
|
* Copyright (C) 2017-2019 Robin Gareus <robin@gareus.org>
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#ifndef __gtk2_ardour_ardour_knob_h__
|
|
#define __gtk2_ardour_ardour_knob_h__
|
|
|
|
#include <list>
|
|
#include <stdint.h>
|
|
|
|
#include <gtkmm/action.h>
|
|
|
|
#include "pbd/signals.h"
|
|
|
|
#include "gtkmm2ext/activatable.h"
|
|
#include "gtkmm2ext/cairo_widget.h"
|
|
#include "gtkmm2ext/persistent_tooltip.h"
|
|
|
|
#include "widgets/binding_proxy.h"
|
|
#include "widgets/visibility.h"
|
|
|
|
namespace ArdourWidgets {
|
|
|
|
class LIBWIDGETS_API KnobPersistentTooltip : public Gtkmm2ext::PersistentTooltip
|
|
{
|
|
public:
|
|
KnobPersistentTooltip (Gtk::Widget* w);
|
|
|
|
void start_drag ();
|
|
void stop_drag ();
|
|
bool dragging () const;
|
|
|
|
private:
|
|
bool _dragging;
|
|
};
|
|
|
|
|
|
class LIBWIDGETS_API ArdourKnob : public CairoWidget , public Gtkmm2ext::Activatable
|
|
{
|
|
public:
|
|
|
|
enum Element {
|
|
Arc = 0x1,
|
|
Bevel = 0x2,
|
|
unused2 = 0x4,
|
|
unused3 = 0x8,
|
|
unused4 = 0x10,
|
|
unused5 = 0x20,
|
|
};
|
|
|
|
enum Flags {
|
|
NoFlags = 0,
|
|
Detent = 0x1,
|
|
ArcToZero = 0x2,
|
|
};
|
|
|
|
ArdourKnob (Element e = default_elements, Flags flags = NoFlags);
|
|
virtual ~ArdourKnob ();
|
|
|
|
void set_active_state (Gtkmm2ext::ActiveState);
|
|
void set_visual_state (Gtkmm2ext::VisualState);
|
|
|
|
Element elements() const { return _elements; }
|
|
void set_elements (Element);
|
|
void add_elements (Element);
|
|
static Element default_elements;
|
|
|
|
void set_tooltip_prefix (std::string pfx) { _tooltip_prefix = pfx; controllable_changed (true); }
|
|
|
|
boost::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
|
|
void set_controllable (boost::shared_ptr<PBD::Controllable> c);
|
|
|
|
bool on_button_press_event (GdkEventButton*);
|
|
bool on_button_release_event (GdkEventButton*);
|
|
bool on_scroll_event (GdkEventScroll* ev);
|
|
bool on_motion_notify_event (GdkEventMotion *ev) ;
|
|
|
|
void color_handler ();
|
|
|
|
sigc::signal<void> StartGesture;
|
|
sigc::signal<void> StopGesture;
|
|
|
|
protected:
|
|
void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
|
|
void on_size_request (Gtk::Requisition* req);
|
|
void on_size_allocate (Gtk::Allocation&);
|
|
void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
|
|
void on_name_changed ();
|
|
bool on_enter_notify_event (GdkEventCrossing*);
|
|
bool on_leave_notify_event (GdkEventCrossing*);
|
|
bool on_focus_in_event (GdkEventFocus*);
|
|
bool on_focus_out_event (GdkEventFocus*);
|
|
|
|
void controllable_changed (bool force_update = false);
|
|
PBD::ScopedConnection watch_connection;
|
|
|
|
|
|
private:
|
|
Element _elements;
|
|
BindingProxy binding_proxy;
|
|
|
|
bool _hovering;
|
|
float _grabbed_x;
|
|
float _grabbed_y;
|
|
|
|
float _val; // current value [0..1]
|
|
float _normal; // default value, arc
|
|
float _dead_zone_delta;
|
|
|
|
Flags _flags;
|
|
|
|
void action_sensitivity_changed ();
|
|
void action_visibility_changed ();
|
|
void action_tooltip_changed ();
|
|
|
|
std::string _tooltip_prefix;
|
|
KnobPersistentTooltip _tooltip;
|
|
};
|
|
|
|
} /* namespace */
|
|
|
|
#endif /* __gtk2_ardour_ardour_knob_h__ */
|