237 lines
7.1 KiB
C++
237 lines
7.1 KiB
C++
/*
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* Copyright (C) 2010 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2017-2018 Robin Gareus <robin@gareus.org>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _WIDGETS_ARDOUR_BUTTON_H_
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#define _WIDGETS_ARDOUR_BUTTON_H_
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#include <list>
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#include <stdint.h>
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#include <gtkmm/action.h>
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#include "pbd/signals.h"
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#include "gtkmm2ext/activatable.h"
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#include "gtkmm2ext/cairo_widget.h"
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#include "widgets/ardour_icon.h"
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#include "widgets/binding_proxy.h"
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#include "widgets/visibility.h"
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namespace ArdourWidgets {
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class LIBWIDGETS_API ArdourButton : public CairoWidget , public Gtkmm2ext::Activatable
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{
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public:
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enum Element {
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Edge = 0x1,
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Body = 0x2,
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Text = 0x4,
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Indicator = 0x8,
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ColorBox = 0x18, //also sets Indicator
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Menu = 0x20,
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Inactive = 0x40, // no _action is defined AND state is not used
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VectorIcon = 0x80,
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IconRenderCallback = 0x100,
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};
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typedef void (* rendercallback_t) (cairo_t*, int, int, uint32_t, void*);
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static Element default_elements;
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static Element led_default_elements;
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static Element just_led_default_elements;
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ArdourButton (Element e = default_elements, bool toggle = false);
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ArdourButton (const std::string&, Element e = default_elements, bool toggle = false);
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virtual ~ArdourButton ();
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enum Tweaks {
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Square = 0x1,
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TrackHeader = 0x2,
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OccasionalText = 0x4,
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OccasionalLED = 0x8,
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ForceBoxy = 0x10,
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ForceFlat = 0x20,
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};
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static Tweaks default_tweaks;
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static void set_default_tweaks (Tweaks t) { default_tweaks = t; }
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Tweaks tweaks() const { return _tweaks; }
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void set_tweaks (Tweaks);
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void set_active_state (Gtkmm2ext::ActiveState);
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void set_visual_state (Gtkmm2ext::VisualState);
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void set_custom_led_color (const uint32_t c, const bool useit = true);
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void set_act_on_release (bool onRelease) { _act_on_release = onRelease; }
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Element elements() const { return _elements; }
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void set_elements (Element);
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void add_elements (Element);
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ArdourIcon::Icon icon() const { return _icon; }
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void set_icon (ArdourIcon::Icon);
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void set_icon (rendercallback_t, void*);
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void set_corner_radius (float);
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void set_text (const std::string&, bool markup = false);
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const std::string& get_text () const { return _text; }
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bool get_markup () const { return _markup; }
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void set_angle (const double);
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void set_alignment (const float, const float);
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void get_alignment (float& xa, float& ya) {xa = _xalign; ya = _yalign;};
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void set_led_left (bool yn);
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void set_distinct_led_click (bool yn);
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void set_layout_ellipsize_width (int w);
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void set_layout_font (const Pango::FontDescription&);
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void set_text_ellipsize (Pango::EllipsizeMode);
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void set_width_padding (float);
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/* Sets the text used for size request computation. Pass an
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* empty string to return to the default behavior which uses
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* the currently displayed text for measurement. */
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void set_sizing_text (std::string const&);
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void set_sizing_texts (std::vector<std::string> const&);
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sigc::signal<void, GdkEventButton*> signal_led_clicked;
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sigc::signal<void> signal_clicked;
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std::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
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void set_controllable (std::shared_ptr<PBD::Controllable> c);
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void watch ();
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void set_related_action (Glib::RefPtr<Gtk::Action>);
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bool on_button_press_event (GdkEventButton*);
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bool on_button_release_event (GdkEventButton*);
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void set_image (const Glib::RefPtr<Gdk::Pixbuf>&);
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void set_fixed_colors (const uint32_t active_color, const uint32_t inactive_color);
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void set_active_color (const uint32_t active_color);
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void set_inactive_color (const uint32_t inactive_color);
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void reset_fixed_colors ();
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void set_fallthrough_to_parent(bool fall) { _fallthrough_to_parent = fall; }
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unsigned int char_pixel_width() { if (_char_pixel_width < 1) recalc_char_pixel_geometry() ; return _char_pixel_width; }
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unsigned int char_pixel_height() { if (_char_pixel_height < 1) recalc_char_pixel_geometry() ; return _char_pixel_height; }
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float char_avg_pixel_width() { if (_char_pixel_width < 1) recalc_char_pixel_geometry() ; return _char_avg_pixel_width; }
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protected:
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void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
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void on_size_request (Gtk::Requisition* req);
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void on_size_allocate (Gtk::Allocation&);
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void on_style_changed (const Glib::RefPtr<Gtk::Style>&);
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void on_name_changed ();
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void on_realize ();
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bool on_enter_notify_event (GdkEventCrossing*);
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bool on_leave_notify_event (GdkEventCrossing*);
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bool on_grab_broken_event(GdkEventGrabBroken*);
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bool on_focus_in_event (GdkEventFocus*);
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bool on_focus_out_event (GdkEventFocus*);
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bool on_key_release_event (GdkEventKey *);
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bool on_key_press_event (GdkEventKey *);
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void controllable_changed ();
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PBD::ScopedConnection watch_connection;
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protected:
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Glib::RefPtr<Pango::Layout> _layout;
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Glib::RefPtr<Gdk::Pixbuf> _pixbuf;
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std::string _text;
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std::vector<std::string> _sizing_texts;
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bool _markup;
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Element _elements;
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ArdourIcon::Icon _icon;
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rendercallback_t _icon_render_cb;
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void* _icon_render_cb_data;
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Tweaks _tweaks;
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BindingProxy binding_proxy;
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void set_text_internal ();
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void recalc_char_pixel_geometry ();
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unsigned int _char_pixel_width;
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unsigned int _char_pixel_height;
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float _char_avg_pixel_width;
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float _width_padding;
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bool _custom_font_set;
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int _text_width;
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int _text_height;
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float _diameter;
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float _corner_radius;
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int _corner_mask;
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double _angle;
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float _xalign, _yalign;
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uint32_t fill_inactive_color;
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uint32_t fill_active_color;
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uint32_t text_active_color;
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uint32_t text_inactive_color;
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uint32_t led_active_color;
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uint32_t led_inactive_color;
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uint32_t led_custom_color;
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bool use_custom_led_color;
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uint32_t outline_color;
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cairo_pattern_t* convex_pattern;
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cairo_pattern_t* concave_pattern;
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cairo_pattern_t* led_inset_pattern;
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cairo_rectangle_t* _led_rect;
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bool _act_on_release;
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bool _auto_toggle;
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bool _led_left;
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bool _distinct_led_click;
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bool _hovering;
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bool _focused;
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int _fixed_colors_set;
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bool _fallthrough_to_parent;
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int _layout_ellipsize_width;
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Pango::EllipsizeMode _ellipsis;
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bool _update_colors;
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int _pattern_height;
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void setup_led_rect ();
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void set_colors ();
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void color_handler ();
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void build_patterns ();
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void ensure_layout ();
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void action_toggled ();
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void action_sensitivity_changed ();
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void action_visibility_changed ();
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void action_tooltip_changed ();
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};
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} /* end namespace */
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#endif
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