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livetrax/libs/widgets/widgets/ardour_ctrl_base.h

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3.4 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 _WIDGETS_ARDOUR_CTRL_BASE_H_
#define _WIDGETS_ARDOUR_CTRL_BASE_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 CtrlPersistentTooltip : public Gtkmm2ext::PersistentTooltip
{
public:
CtrlPersistentTooltip (Gtk::Widget* w);
void start_drag ();
void stop_drag ();
bool dragging () const;
private:
bool _dragging;
};
class LIBWIDGETS_API ArdourCtrlBase : public CairoWidget , public Gtkmm2ext::Activatable
{
public:
enum Flags {
NoFlags = 0x0,
Detent = 0x1,
ArcToZero = 0x2,
NoHorizontal = 0x4,
NoVertical = 0x8,
Reverse = 0x10,
};
ArdourCtrlBase (Flags flags = NoFlags);
virtual ~ArdourCtrlBase ();
void set_active_state (Gtkmm2ext::ActiveState);
void set_visual_state (Gtkmm2ext::VisualState);
void set_tooltip_prefix (std::string pfx) { _tooltip_prefix = pfx; controllable_changed (true); }
std::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
void set_controllable (std::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,int> StartGesture;
sigc::signal<void,int> StopGesture;
void set_size_request (int, int);
protected:
virtual void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*) = 0;
void on_size_request (Gtk::Requisition* req);
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*);
int _req_width;
int _req_height;
bool _hovering;
float _val; // current value [0..1]
float _normal; // default value, arc
Flags _flags;
CtrlPersistentTooltip _tooltip;
private:
void controllable_changed (bool force_update = false);
void action_sensitivity_changed ();
void action_visibility_changed ();
void action_tooltip_changed ();
PBD::ScopedConnection watch_connection;
BindingProxy binding_proxy;
float _grabbed_x;
float _grabbed_y;
float _dead_zone_delta;
std::string _tooltip_prefix;
};
} /* namespace */
#endif /* __gtk2_ardour_ardour_knob_h__ */