button_object.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 BAGEL_BAGLIB_BUTTON_OBJECT_H
#define BAGEL_BAGLIB_BUTTON_OBJECT_H

#include "bagel/baglib/sprite_object.h"

namespace Bagel {

#define SAVE_BTN 0
#define CANCEL_BTN 1
#define RESTORE_BTN 2
#define RESTART_BTN 3
#define QUIT_BTN 4

#define LINEUP_BTN 10
#define LINEDN_BTN 11
#define PAGEUP_BTN 12
#define PAGEDN_BTN 13

class CBagButtonObject : public CBagSpriteObject {
public:
    enum BUTTON_TYPE {
        BTN_PUSH = 0,
        BTN_CHECKBOX = 1,
        BTN_HLEVER = 2,
        BTN_VLEVER = 3,
        BTN_DIAL = 4,
        BTN_SLIDER = 5
    };

private:
    bool _dragging;
    CBofRect _slideRect;
    int _numPos;

    BUTTON_TYPE _buttonType;
    bool _activeDown;
    bool _activeUp;
    bool _active;

    CBofPoint _midPoint;
    BagFuncPtr _callbackFct;
    void *_callbackInfo; // Data to be passed to the function

public:
    CBagButtonObject();
    virtual ~CBagButtonObject();

    ErrorCode attach() override;
    ErrorCode detach() override;

    BUTTON_TYPE getButtonType() const {
        return _buttonType;
    }

    ParseCodes setInfo(CBagIfstream &istr) override;
    bool runObject() override;

    // Callback function functionality - probably can be phased out
    void setCallBack(BagFuncPtr func, void *funcInfo) {
        _callbackFct = func;
        _callbackInfo = funcInfo;
    }

    BagFuncPtr getCallBack() override {
        return _callbackFct;
    }

    void *getCallBackInfo() const {
        return _callbackInfo;
    }

    bool runCallBack() override {
        if (_callbackFct) {
            _callbackFct((int)getRefId(), _callbackInfo);
            return true;
        }

        return false;
    }

    void onLButtonDown(uint32 /*nFlags*/, CBofPoint *point, void *) override;
    void onLButtonUp(uint32 flags, CBofPoint *point, void *extraInfo) override;
    bool onMouseMove(uint32 /*nFlags*/, CBofPoint point, void *extraInfo) override;

    ErrorCode update(CBofBitmap *bmp, CBofPoint pt, CBofRect *srcRect = nullptr, int maskColor = -1) override;

    void setSize(const CBofSize &size) override;

    void setProperty(const CBofString &prop, int val) override;
    int getProperty(const CBofString &prop) override;
};

} // namespace Bagel

#endif