button.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_BOFLIB_GUI_BUTTON_H
#define BAGEL_BOFLIB_GUI_BUTTON_H

#include "bagel/boflib/gui/window.h"
#include "bagel/boflib/gfx/palette.h"

namespace Bagel {

// Button states
//
#define BUTTON_UP 0
#define BUTTON_DOWN 1
#define BUTTON_FOCUS 2
#define BUTTON_DISABLED 3
#define BUTTON_CLICKED 4
#define BUTTON_ON BUTTON_DOWN
#define BUTTON_OFF BUTTON_UP

#define BUTTON_CHECKED BUTTON_ON
#define BUTTON_UNCHECKED BUTTON_OFF

struct ST_COLORSCHEME {
    RGBCOLOR _cFace;
    RGBCOLOR _cHighlight;
    RGBCOLOR _cShadow;
    RGBCOLOR _cText;
    RGBCOLOR _cTextDisabled;
    RGBCOLOR _cOutline;
};

class CBofButton : public CBofWindow {
public:
    CBofButton();
    CBofButton(ST_COLORSCHEME *pColorScheme);
    virtual ~CBofButton();

    void loadColorScheme(ST_COLORSCHEME *pColorScheme);

    virtual ErrorCode paint(CBofRect *pRect = nullptr);

    void enable() override;
    void disable() override;

    ErrorCode setState(int nNewState, bool bRepaintNow = true);
    int getState() {
        return _nState;
    }

protected:
    void onPaint(CBofRect *pRect) override;
    void onLButtonDown(uint32 nFlags, CBofPoint *pPoint, void * = nullptr) override;
    void onLButtonUp(uint32 nFlags, CBofPoint *pPoint, void * = nullptr) override;

    RGBCOLOR _cFaceColor;
    RGBCOLOR _cHighlightColor;
    RGBCOLOR _cShadowColor;
    RGBCOLOR _cTextColor;
    RGBCOLOR _cTextDisabledColor;
    RGBCOLOR _cOutlineColor;

    int _nState;
};

class CBofRadioButton : public CBofButton {
public:
    virtual ErrorCode paint(CBofRect *pRect = nullptr);

protected:
    virtual void onLButtonDown(uint32 nFlags, CBofPoint *pPoint, void * = nullptr);
    virtual void onLButtonUp(uint32 nFlags, CBofPoint *pPoint, void * = nullptr);
};

class CBofCheckButton : public CBofButton {
public:
    ErrorCode SetCheck(bool bChecked);
    bool GetCheck() {
        return (_nState == BUTTON_CHECKED);
    }

    ErrorCode paint(CBofRect *pRect = nullptr) override;

protected:
    void onLButtonDown(uint32 nFlags, CBofPoint *pPoint, void * = nullptr) override;
    void onLButtonUp(uint32 nFlags, CBofPoint *pPoint, void * = nullptr) override;
};

class CBofBmpButton : public CBofWindow {
public:
    // Constructors
    CBofBmpButton();

    virtual ~CBofBmpButton();

    // NOTE: CBofBmpButton takes control of these bitmaps, so there's
    // no need for the callers to free them afterwards
    ErrorCode loadBitmaps(CBofBitmap *pUp, CBofBitmap *pDown, CBofBitmap *pFocus, CBofBitmap *pDisabled, int nMaskColor = NOT_TRANSPARENT);
    ErrorCode loadBitmaps(CBofPalette *pPalette, const char *pszUp, const char *pszDown = nullptr, const char *pszFocus = nullptr, const char *pszDisabled = nullptr, int nMaskColor = NOT_TRANSPARENT);

    ErrorCode paint(CBofRect *pRect = nullptr);

    ErrorCode setState(int nNewState, bool bRepaintNow = true);
    int getState() {
        return _nState;
    }

    CBofBitmap *getButtonBmp() {
        return _pButtonUp;
    }

protected:
    void onPaint(CBofRect *pRect) override;
    void onLButtonDown(uint32 nFlags, CBofPoint *pPoint, void * = nullptr) override;
    void onLButtonUp(uint32 nFlags, CBofPoint *pPoint, void * = nullptr) override;

    CBofBitmap *_pButtonUp;
    CBofBitmap *_pButtonDown;
    CBofBitmap *_pButtonFocus;
    CBofBitmap *_pButtonDisabled;

    CBofBitmap *_pBackground;
    int _nState;
    int _nMaskColor;
};

} // namespace Bagel

#endif