// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef INK_LIVECODE_INPUT_H
#define INK_LIVECODE_INPUT_H

/*
 * Input state keeper for the livecoding tool
 *
 * Authors:
 *   Sol Bekic <s+inkscape@s-ol.nu>
 * Copyright (C) 2019 Authors
 *
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 */

#include <gdk/gdk.h>
#include <2geom/point.h>
#include <2geom/geom.h>


namespace Inkscape {
namespace Livecode {

class API;

enum InputState {
    INPUTSTATE_NONE,
    INPUTSTATE_HOVER,
    INPUTSTATE_PRESSED,
    INPUTSTATE_HELD,
    INPUTSTATE_RELEASED,
};

class Mouse {
public:
    Geom::Point pos() const;
    Geom::Point delta() const;

    Geom::Point ui_pos() const;
    Geom::Point ui_delta() const;

    InputState event(guint button = 1) const;
    bool pressed(guint button = 1) const;
    bool held(guint button = 1) const;
    bool released(guint button = 1) const;

private:
    API& api;

    guint last_mask, prev_mask;
    Geom::Point last_pos, prev_pos;

    Mouse(API &api);

    void push_event(GdkEvent *event);
    void finish_frame();

    friend class API;
};

}
}

#endif // INK_LIVECODE_INPUT_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 :