events.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef M4_PLATFORM_EVENTS_H
#define M4_PLATFORM_EVENTS_H

#include "common/queue.h"
#include "common/events.h"
#include "m4/m4_types.h"

namespace M4 {

enum MouseEvent {
    _ME_no_event,       // 0
    _ME_move,           // 1
    _ME_L_click,        // 2
    _ME_L_hold,         // 3
    _ME_L_drag,         // 4
    _ME_L_release,      // 5
    _ME_R_click,        // 6
    _ME_R_hold,         // 7
    _ME_R_drag,         // 8
    _ME_R_release,      // 9
    _ME_both_click,     // 10
    _ME_both_hold,      // 11
    _ME_both_drag,      // 12
    _ME_both_release,   // 13
    _ME_doubleclick,    // 14
    _ME_doubleclick_hold, // 15
    _ME_doubleclick_drag, // 16
    _ME_doubleclick_release
};

enum mausState {
    _MS_no_event,       // 0
    _MS_L_clickDown,    // 1
    _MS_R_clickDown,    // 2
    _MS_both_clickDown, // 3
    _MS_doubleclick_Down // 4
};

struct MouseInfo {
    uint16 Event = 0;
    uint16 ButtonState = 0;
    uint16 CursorColumn = 0;    // x
    uint16 CursorRow = 0;       // y
    uint16 HorizontalMickeyCount = 0;
    uint16 VerticalMickeyCount = 0;
};

struct Events : public MouseInfo {
private:
    Common::Queue<Common::KeyState> _pendingKeys;
    uint16 &_mouseX = CursorColumn;
    uint16 &_mouseY = CursorRow;
    uint16 _oldX = 0xffff;
    uint16 _oldY = 0xffff;
    mausState _mouse_state = _MS_no_event;
    uint32 _mouseStateEvent = 0;
    uint32 _dclickTime = 0;

    void pollEvents();

    void handleMouseEvent(const Common::Event &ev);

    void handleKeyboardEvent(const Common::Event &ev);

    inline bool is_mod_key(const Common::KeyState &ks) {
        return ks.keycode == Common::KEYCODE_LCTRL || ks.keycode == Common::KEYCODE_RCTRL ||
            ks.keycode == Common::KEYCODE_LALT || ks.keycode == Common::KEYCODE_RALT ||
            ks.keycode == Common::KEYCODE_LSHIFT || ks.keycode == Common::KEYCODE_RSHIFT ||
            ks.keycode == Common::KEYCODE_MODE;
    }

public:
    Events();
    ~Events();

    void process();

    MouseEvent mouse_get_event();

    bool util_kbd_check(int32 *parm1);

    void clearMouseStateEvent() {
        _mouseStateEvent = 0;
    }

    void delay(uint amount);
};

extern Events *g_events;

MouseEvent mouse_get_event();
bool util_kbd_check(int32 *parm1);

} // namespace M4

#endif