/* bzflag
 * Copyright (c) 1993-2018 Tim Riker
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the license found in the file
 * named COPYING that should have accompanied this file.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

/* WinWindow:
 *  OpenGL Windows window.
 */

#ifndef BZF_WINWINDOW_H
#define BZF_WINWINDOW_H

#include "BzfWindow.h"
#include "WinDisplay.h"
#include "WinVisual.h"

class WinWindow : public BzfWindow
{
public:
    WinWindow(const WinDisplay*, WinVisual*);
    ~WinWindow();

    bool        isValid() const;

    void        showWindow(bool);

    void        getPosition(int& x, int& y);
    void        getSize(int& width, int& height) const;

    void        setTitle(const char*);
    void        setPosition(int x, int y);
    void        setSize(int width, int height);
    void        setMinSize(int width, int height);
    void        setFullscreen(bool on);

    void        iconify();

    void        warpMouse(int x, int y);
    void        getMouse(int& x, int& y) const;
    void        disableConfineToMotionbox();
    void        confineToMotionbox(int x1, int y1, int x2, int y2);
    void        grabMouse();
    void        ungrabMouse();
    void        enableGrabMouse(bool on);
    void        showMouse();
    void        hideMouse();

    void        setGamma(float);
    float       getGamma() const;
    bool        hasGammaControl() const;

    void        makeCurrent();
    void        swapBuffers();
    void        makeContext();
    void        freeContext();

    // other Windows stuff
    static HWND     getHandle();
    LONG        queryNewPalette();
    void        paletteChanged();
    bool        activate();
    bool        deactivate();
    void        onDestroy();
    static WinWindow*   lookupWindow(HWND);
    static void     deactivateAll();
    static void     reactivateAll();

private:
    BYTE        getIntensityValue(float) const;
    static float    getComponentFromIndex(int i, UINT nbits, UINT shift);
    void        makeColormap(const PIXELFORMATDESCRIPTOR&);

    void        createChild();
    void        destroyChild();

    void        getGammaRamps(WORD*);
    void        setGammaRamps(const WORD*);

private:
    const WinDisplay*   display;
    WinVisual       visual;
    bool        inDestroy;
    bool        isNewContext;
    static HWND     hwnd;
    HWND        hwndChild;
    HGLRC       hRC;
    HDC         hDC;
    HDC         hDCChild;
    bool        inactiveDueToDeactivate;
    bool        inactiveDueToDeactivateAll;
    bool        useColormap;
    bool        hasGamma;
    float       gammaVal;
    WORD        origGammaRamps[6 * 256];
    PIXELFORMATDESCRIPTOR pfd;
    WinWindow*      prev;
    WinWindow*      next;
    static WinWindow*   first;
    static HPALETTE colormap;
    bool        mouseGrab;
};

#endif // BZF_WINWINDOW_H

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