rules.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 HODJNPODJ_HNPLIBS_RULES_H
#define HODJNPODJ_HNPLIBS_RULES_H

#include "bagel/hodjnpodj/hnplibs/dibdoc.h"

namespace Bagel {
namespace HodjNPodj {

#define IDD_RULES_DIALOG    900
#define IDC_RULES_OKAY      900

#define IDC_RULES_ARROWDN   901
#define IDC_RULES_ARROWUP   902
#define IDC_RULES_INVALID   903


class CRules : public CDialog {
// Construction
public:
    CRules(CWnd *pParent = nullptr, const char *pszPathName = nullptr,
           CPalette *pPalette = nullptr, const char *pszSoundPath = nullptr);

    void UpdateScroll(int nPage);
    void ClearDialogImage();
    void RefreshBackground();

private:

    bool SetupKeyboardHook();
    void RemoveKeyboardHook();

    static  CDibDoc *LoadScrollDIB(const char *pSpec, CRect *pRect);
    static  bool PaintScrollDIB(CDC *pDC, CDibDoc *pDibDoc);
    static  CBitmap *CreateScrollBitmap(CDC *pDC, CDibDoc *pDibDoc, CPalette *pPalette);
    static  CDC *SetupMask(CDC *pDC, CDC *pBitmapDC, CBitmap *pMask, CBitmap * &pMaskOld, CRect *pRect);
    static  CDC *SetupCompatibleContext(CDC *pDC, CBitmap *pBitmap, CBitmap * &pBitmapOld, CPalette *pPalette, CPalette * &pPalOld);
    static  void ReleaseCompatibleContext(CDC * &pDC, CBitmap * &pBitmap, CBitmap *pBitmapOld, CPalette *pPalOld);

    bool CreateWorkAreas(CDC *pDC);
    void UnfurlScroll(CDC *pDC);
    void UpdateMore(CDC *pDC);
    void WritePage(CDC *pDC, int nPage);
    void ShowWaitCursor();
    void DoWaitCursor(int nCode) override {
        CDialog::DoWaitCursor(nCode);
    }
    void DoArrowCursor();

private:
    bool m_bKeyboardHook = false;   // whether keyboard hook present
    CRect OkayRect;                 // rectangle bounding the OKAY button
    CRect ScrollRect,               // x/y (left/right) and dx/dy (right/bottom) for the scroll window
        ScrollTopRect,              // rectangle bounding the scroll top section
        ScrollBotRect,              // rectangle bounding the scroll bottom section
        ScrollMidRect;              // rectangle bounding the scroll middle section

    CRect ScrollTopCurlRect,        // current location of top curl for mouse clicks
        ScrollBotCurlRect;          // current location of bottom curl for mouse clicks

// Dialog Data
    //{{AFX_DATA(CRules)
    enum { IDD = IDD_RULES_DIALOG };
    // NOTE: the ClassWizard will add data members here
    //}}AFX_DATA

// Implementation
protected:
    virtual void DoDataExchange(CDataExchange* pDX) override;    // DDX/DDV support

    // Generated message map functions
    //{{AFX_MSG(CRules)
    afx_msg int  OnCreate(LPCREATESTRUCT lpCreateStruct);
    virtual bool OnInitDialog() override;
    afx_msg bool OnEraseBkgnd(CDC *pDC);
    virtual void OnOK() override;
    virtual void OnCancel() override;
    afx_msg void OnDestroy();
    afx_msg void OnPaint();
    afx_msg void OnShowWindow(bool bShow, unsigned int nStatus);
    afx_msg void OnSize(unsigned int nType, int cx, int cy);
    afx_msg void OnMouseMove(unsigned int nFlags, CPoint point);
    afx_msg bool OnSetCursor(CWnd *pWnd, unsigned int nHitTest, unsigned int message);
    afx_msg void OnLButtonDown(unsigned int nFlags, CPoint point);
    afx_msg void OnActivate(unsigned int nState, CWnd *pWndOther, bool bMinimized) override;
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP()
};

} // namespace HodjNPodj
} // namespace Bagel

#endif