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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Authors:
* buliabyak@gmail.com
*
* Copyright (C) 2007 authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef INKSCAPE_UI_ROTATEABLE_H
#define INKSCAPE_UI_ROTATEABLE_H
#include <gtkmm/box.h>
#include <gtkmm/eventbox.h>
#include <glibmm/i18n.h>
namespace Inkscape {
namespace UI {
namespace Widget {
/**
* Widget adjustable by dragging it to rotate away from a zero-change axis.
*/
class Rotateable: public Gtk::EventBox
{
public:
Rotateable();
~Rotateable() override;
bool on_click(GdkEventButton *event);
bool on_motion(GdkEventMotion *event);
bool on_release(GdkEventButton *event);
bool on_scroll(GdkEventScroll* event);
double axis;
double current_axis;
double maxdecl;
bool scrolling;
private:
double drag_started_x;
double drag_started_y;
guint modifier;
bool dragging;
bool working;
guint get_single_modifier(guint old, guint state);
virtual void do_motion (double /*by*/, guint /*state*/) {}
virtual void do_release (double /*by*/, guint /*state*/) {}
virtual void do_scroll (double /*by*/, guint /*state*/) {}
};
} // namespace Widget
} // namespace UI
} // namespace Inkscape
#endif // INKSCAPE_UI_ROTATEABLE_H
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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