89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/*
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* Copyright (C) 2024 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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#pragma once
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#include <gtkmm/adjustment.h>
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#include "gtkmm2ext/cairo_widget.h"
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#include "widgets/visibility.h"
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namespace ArdourWidgets {
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class LIBWIDGETS_API FaderWidget : public virtual CairoWidget
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{
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public:
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FaderWidget (Gtk::Adjustment&, int orient);
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virtual ~FaderWidget () {};
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sigc::signal<void,int> StartGesture;
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sigc::signal<void,int> StopGesture;
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sigc::signal<void> OnExpose;
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virtual void set_default_value (float) = 0;
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enum Tweaks {
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NoShowUnityLine = 0x1,
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NoButtonForward = 0x2,
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NoVerticalScroll = 0x4,
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DoubleClickReset = 0x8,
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};
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enum Orientation {
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VERT,
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HORIZ,
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};
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void set_tweaks (Tweaks);
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Tweaks tweaks() const { return _tweaks; }
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int orientation () const { return _orien; }
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virtual void set_bg (Gtkmm2ext::Color) = 0;
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virtual void set_fg (Gtkmm2ext::Color) = 0;
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virtual void unset_bg () = 0;
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virtual void unset_fg () = 0;
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protected:
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bool on_button_press_event (GdkEventButton*);
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bool on_button_release_event (GdkEventButton*);
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bool on_enter_notify_event (GdkEventCrossing* ev);
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bool on_leave_notify_event (GdkEventCrossing* ev);
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bool on_scroll_event (GdkEventScroll* ev);
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bool on_grab_broken_event (GdkEventGrabBroken*);
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void adjustment_changed ();
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virtual void set_adjustment_from_event (GdkEventButton*) = 0;
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Gtk::Adjustment& _adjustment;
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Tweaks _tweaks;
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int _orien;
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bool _dragging;
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bool _hovering;
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float _default_value;
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GdkWindow* _grab_window;
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double _grab_loc;
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double _grab_start;
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};
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}
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