67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*
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* Copyright (C) 2014 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2017-2021 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_KNOB_H_
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#define _WIDGETS_ARDOUR_KNOB_H_
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#include "widgets/ardour_ctrl_base.h"
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#include "widgets/visibility.h"
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namespace ArdourWidgets {
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class LIBWIDGETS_API ArdourKnob : public ArdourCtrlBase
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{
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public:
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enum Element {
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Arc = 0x1,
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Bevel = 0x2,
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unused2 = 0x4,
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unused3 = 0x8,
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unused4 = 0x10,
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unused5 = 0x20,
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};
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ArdourKnob (Element e = default_elements, Flags flags = NoFlags);
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Element elements () const
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{
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return _elements;
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}
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void set_elements (Element);
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void add_elements (Element);
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static Element default_elements;
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void gen_faceplate (Pango::FontDescription const&, std::string const&, std::string const&, std::string const&);
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protected:
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virtual 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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private:
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Element _elements;
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int _extra_height;
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Cairo::RefPtr<Cairo::ImageSurface> _bg;
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};
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} // namespace ArdourWidgets
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#endif /* __gtk2_ardour_ardour_knob_h__ */
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