legacy-sdl-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 BACKEND_EVENTS_SDL_LEGACY_H
#define BACKEND_EVENTS_SDL_LEGACY_H

#include "backends/events/sdl/sdl-events.h"

// multiplier used to increase resolution for keyboard/joystick mouse
#define MULTIPLIER 16

class LegacySdlEventSource : public SdlEventSource {
public:
    LegacySdlEventSource();

    bool pollEvent(Common::Event &event) override;

    void checkScreenChange();

protected:

    struct KbdMouse {
        int32 x, y;
        int16 x_vel, y_vel, x_max, y_max, x_down_count, y_down_count, joy_x, joy_y;
        uint32 last_time, delay_time, x_down_time, y_down_time;
        bool modifier;
    };
    KbdMouse _km;

    virtual void updateKbdMouse();
    virtual bool handleKbdMouse(Common::Event &event);


    bool handleMouseMotion(SDL_Event &ev, Common::Event &event) override;
    bool handleMouseButtonDown(SDL_Event &ev, Common::Event &event) override;
    bool handleMouseButtonUp(SDL_Event &ev, Common::Event &event) override;
    bool handleJoyAxisMotion(SDL_Event &ev, Common::Event &event) override;

#if SDL_VERSION_ATLEAST(2, 0, 0)
    bool handleControllerButton(const SDL_Event &ev, Common::Event &event, bool buttonUp) override;
    bool handleControllerAxisMotion(const SDL_Event &ev, Common::Event &event) override;
#endif

    virtual bool handleAxisToMouseMotion(int16 xAxis, int16 yAxis);

    int16 computeJoystickMouseSpeedFactor() const;

    void resetKeyboardEmulation(int16 x_max, int16 y_max);

};

#endif