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# define INCL_DOSERRORS
# define INCL_BASE
# define INCL_PM
# include "os2.h"

# include <GL/pgl.h>

# define glXSwapBuffers(d,w) (Perl_Serve_Messages(0),pglSwapBuffers(*(Display*)d,w))
# define XOpenDisplay(dummy0) (perl_hab_GET(),(hmq = Perl_Register_MQ(1)),myDisplay=Perl_hab,&myDisplay)
# define glutCreateWindow(name) my_glutCreateWindow(name)

# define XMapWindow(d, w) 0
# define glXChooseVisual(d, scr, att) pglChooseConfig(*d,att)
/* XXXX isDirect: correct interpr? */
# define glXCreateContext(d, vis, sharel, isDirect) \
pglCreateContext(*d, vis, sharel, isDirect)
# define XCreateColormap(d, win, vis, alloc) 0
# define RootWindow(d, screen) HWND_DESKTOP
# define XCreateWindow(d, par, x, y, w, h, qqq0, de, io, vis, msk, attr) \
MyCreateWindow(d, par, x, y, w, h)
# define XIfEvent(a,b,c,d)
# define glXMakeCurrent(dpy, win, cx) pglMakeCurrent(*dpy, cx, win)
# define None PGL_None
# define XPending(d) (av_len(EventAv)+1)

#define GLX_USE_GL PGL_USE_GL
#define GLX_BUFFER_SIZE PGL_BUFFER_SIZE
#define GLX_LEVEL PGL_LEVEL
#define GLX_RGBA PGL_RGBA
#define GLX_DOUBLEBUFFER PGL_DOUBLEBUFFER
#define GLX_STEREO PGL_STEREO
#define GLX_AUX_BUFFERS PGL_AUX_BUFFERS
#define GLX_RED_SIZE PGL_RED_SIZE
#define GLX_GREEN_SIZE PGL_GREEN_SIZE
#define GLX_BLUE_SIZE PGL_BLUE_SIZE
#define GLX_ALPHA_SIZE PGL_ALPHA_SIZE
#define GLX_DEPTH_SIZE PGL_DEPTH_SIZE
#define GLX_STENCIL_SIZE PGL_STENCIL_SIZE
#define GLX_ACCUM_RED_SIZE PGL_ACCUM_RED_SIZE
#define GLX_ACCUM_GREEN_SIZE PGL_ACCUM_GREEN_SIZE
#define GLX_ACCUM_BLUE_SIZE PGL_ACCUM_BLUE_SIZE
#define GLX_ACCUM_ALPHA_SIZE PGL_ACCUM_ALPHA_SIZE
#define GLX_X_VISUAL_TYPE_EXT PGL_X_VISUAL_TYPE_EXT
#define GLX_TRANSPARENT_TYPE_EXT PGL_TRANSPARENT_TYPE_EXT
#define GLX_TRANSPARENT_INDEX_VALUE_EXT PGL_TRANSPARENT_INDEX_VALUE_EXT
#define GLX_TRANSPARENT_RED_VALUE_EXT PGL_TRANSPARENT_RED_VALUE_EXT
#define GLX_TRANSPARENT_GREEN_VALUE_EXT PGL_TRANSPARENT_GREEN_VALUE_EXT
#define GLX_TRANSPARENT_BLUE_VALUE_EXT PGL_TRANSPARENT_BLUE_VALUE_EXT
#define GLX_TRANSPARENT_ALPHA_VALUE_EXT PGL_TRANSPARENT_ALPHA_VALUE_EXT


typedef HWND Window;
typedef HAB Display;
typedef VISUALCONFIG XVisualInfo; /* Exchange this with config */
typedef HGC GLXContext; /* Exchange this with config */
typedef struct XSetWindowAttributes {
    int colormap;
    int border_pixel;
    long event_mask;
} XSetWindowAttributes; /* Not used! */
typedef long Colormap; /* Not used! */
typedef HWND Drawable; /* Not used! */
typedef HWND GLXDrawable;
typedef int KeySym;
typedef bool Bool;
typedef long Time; /* Not used! */
typedef long Atom; /* Not used! */
typedef long XID; /* Not used! */

/* Input Event Masks. Used as event-mask window attribute and as arguments
to Grab requests. Not to be confused with event names. */

#define NoEventMask 0L
#define KeyPressMask (1L<<0)
#define KeyReleaseMask (1L<<1)
#define ButtonPressMask (1L<<2)
#define ButtonReleaseMask (1L<<3)
#define EnterWindowMask (1L<<4)
#define LeaveWindowMask (1L<<5)
#define PointerMotionMask (1L<<6)
#define PointerMotionHintMask (1L<<7)
#define Button1MotionMask (1L<<8)
#define Button2MotionMask (1L<<9)
#define Button3MotionMask (1L<<10)
#define Button4MotionMask (1L<<11)
#define Button5MotionMask (1L<<12)
#define ButtonMotionMask (1L<<13)
#define KeymapStateMask (1L<<14)
#define ExposureMask (1L<<15)
#define VisibilityChangeMask (1L<<16)
#define StructureNotifyMask (1L<<17)
#define ResizeRedirectMask (1L<<18)
#define SubstructureNotifyMask (1L<<19)
#define SubstructureRedirectMask (1L<<20)
#define FocusChangeMask (1L<<21)
#define PropertyChangeMask (1L<<22)
#define ColormapChangeMask (1L<<23)
#define OwnerGrabButtonMask (1L<<24)

/* Event names. Used in "type" field in XEvent structures. Not to be
confused with event masks above. They start from 2 because 0 and 1
are reserved in the protocol for errors and replies. */

#define KeyPress 2
#define KeyRelease 3
#define ButtonPress 4
#define ButtonRelease 5
#define MotionNotify 6
#define EnterNotify 7
#define LeaveNotify 8
#define FocusIn 9
#define FocusOut 10
#define KeymapNotify 11
#define Expose 12
#define GraphicsExpose 13
#define NoExpose 14
#define VisibilityNotify 15
#define CreateNotify 16
#define DestroyNotify 17
#define UnmapNotify 18
#define MapNotify 19
#define MapRequest 20
#define ReparentNotify 21
#define ConfigureNotify 22
#define ConfigureRequest 23
#define GravityNotify 24
#define ResizeRequest 25
#define CirculateNotify 26
#define CirculateRequest 27
#define PropertyNotify 28
#define SelectionClear 29
#define SelectionRequest 30
#define SelectionNotify 31
#define ColormapNotify 32
#define ClientMessage 33
#define MappingNotify 34
#define LASTEvent 35 /* must be bigger than any event # */


/* Key masks. Used as modifiers to GrabButton and GrabKey, results of QueryPointer,
state in various key-, mouse-, and button-related events. */

#define ShiftMask (1<<0)
#define LockMask (1<<1)
#define ControlMask (1<<2)
#define Mod1Mask (1<<3)
#define Mod2Mask (1<<4)
#define Mod3Mask (1<<5)
#define Mod4Mask (1<<6)
#define Mod5Mask (1<<7)

/* button masks. Used in same manner as Key masks above. Not to be confused
with button names below. */

#define Button1MaskOS2 (1<<8)
#define Button2MaskOS2 (1<<9)
#define Button3MaskOS2 (1<<10)
#define Button4Mask (1<<11)
#define Button5Mask (1<<12)

#define AnyModifier (1<<15) /* used in GrabButton, GrabKey */

#define True 1

#define XMaxTransChars 4

/*
* Definitions of specific events.
*/
typedef struct {
int type; /* of event */
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window; /* "event" window it is reported relative to */
Window root; /* root window that the event occured on */
Window subwindow; /* child window */
Time time; /* milliseconds */
int x, y; /* pointer x, y coordinates in event window */
int x_root, y_root; /* coordinates relative to root */
unsigned int state; /* key or button mask */
unsigned int keycode; /* detail */
Bool same_screen; /* same screen flag */
        char trans_chars[XMaxTransChars];
/* translated characters */
int nchars;
} XKeyEvent;
typedef XKeyEvent XKeyPressedEvent;
typedef XKeyEvent XKeyReleasedEvent;

typedef struct {
int type; /* of event */
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window; /* "event" window it is reported relative to */
Window root; /* root window that the event occured on */
Window subwindow; /* child window */
Time time; /* milliseconds */
int x, y; /* pointer x, y coordinates in event window */
int x_root, y_root; /* coordinates relative to root */
unsigned int state; /* key or button mask */
unsigned int button; /* detail */
Bool same_screen; /* same screen flag */
} XButtonEvent;
typedef XButtonEvent XButtonPressedEvent;
typedef XButtonEvent XButtonReleasedEvent;

typedef struct {
int type; /* of event */
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window; /* "event" window reported relative to */
Window root; /* root window that the event occured on */
Window subwindow; /* child window */
Time time; /* milliseconds */
int x, y; /* pointer x, y coordinates in event window */
int x_root, y_root; /* coordinates relative to root */
unsigned int state; /* key or button mask */
char is_hint; /* detail */
Bool same_screen; /* same screen flag */
} XMotionEvent;
typedef XMotionEvent XPointerMovedEvent;

typedef struct {
int type; /* of event */
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window; /* "event" window reported relative to */
Window root; /* root window that the event occured on */
Window subwindow; /* child window */
Time time; /* milliseconds */
int x, y; /* pointer x, y coordinates in event window */
int x_root, y_root; /* coordinates relative to root */
int mode; /* NotifyNormal, NotifyGrab, NotifyUngrab */
int detail;
/*
* NotifyAncestor, NotifyVirtual, NotifyInferior,
* NotifyNonlinear,NotifyNonlinearVirtual
*/
Bool same_screen; /* same screen flag */
Bool focus; /* boolean focus */
unsigned int state; /* key or button mask */
} XCrossingEvent;
typedef XCrossingEvent XEnterWindowEvent;
typedef XCrossingEvent XLeaveWindowEvent;

typedef struct {
int type; /* FocusIn or FocusOut */
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window; /* window of event */
int mode; /* NotifyNormal, NotifyGrab, NotifyUngrab */
int detail;
/*
* NotifyAncestor, NotifyVirtual, NotifyInferior,
* NotifyNonlinear,NotifyNonlinearVirtual, NotifyPointer,
* NotifyPointerRoot, NotifyDetailNone
*/
} XFocusChangeEvent;
typedef XFocusChangeEvent XFocusInEvent;
typedef XFocusChangeEvent XFocusOutEvent;

/* generated on EnterWindow and FocusIn when KeyMapState selected */
typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window;
char key_vector[32];
} XKeymapEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window;
int x, y;
int width, height;
int count; /* if non-zero, at least this many more */
} XExposeEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Drawable drawable;
int x, y;
int width, height;
int count; /* if non-zero, at least this many more */
int major_code; /* core is CopyArea or CopyPlane */
int minor_code; /* not defined in the core */
} XGraphicsExposeEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Drawable drawable;
int major_code; /* core is CopyArea or CopyPlane */
int minor_code; /* not defined in the core */
} XNoExposeEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window;
int state; /* Visibility state */
} XVisibilityEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window parent; /* parent of the window */
Window window; /* window id of window created */
int x, y; /* window location */
int width, height; /* size of window */
int border_width; /* border width */
Bool override_redirect; /* creation should be overridden */
} XCreateWindowEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window event;
Window window;
} XDestroyWindowEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window event;
Window window;
Bool from_configure;
} XUnmapEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window event;
Window window;
Bool override_redirect; /* boolean, is override set... */
} XMapEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window parent;
Window window;
} XMapRequestEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window event;
Window window;
Window parent;
int x, y;
Bool override_redirect;
} XReparentEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window event;
Window window;
int x, y;
int width, height;
int border_width;
Window above;
Bool override_redirect;
} XConfigureEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window event;
Window window;
int x, y;
} XGravityEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window;
int width, height;
} XResizeRequestEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window parent;
Window window;
int x, y;
int width, height;
int border_width;
Window above;
int detail; /* Above, Below, TopIf, BottomIf, Opposite */
unsigned long value_mask;
} XConfigureRequestEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window event;
Window window;
int place; /* PlaceOnTop, PlaceOnBottom */
} XCirculateEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window parent;
Window window;
int place; /* PlaceOnTop, PlaceOnBottom */
} XCirculateRequestEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window;
Atom atom;
Time time;
int state; /* NewValue, Deleted */
} XPropertyEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window;
Atom selection;
Time time;
} XSelectionClearEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window owner;
Window requestor;
Atom selection;
Atom target;
Atom property;
Time time;
} XSelectionRequestEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window requestor;
Atom selection;
Atom target;
Atom property; /* ATOM or None */
Time time;
} XSelectionEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window;
Colormap colormap; /* COLORMAP or None */
#if defined(__cplusplus) || defined(c_plusplus)
Bool c_new; /* C++ */
#else
Bool new;
#endif
int state; /* ColormapInstalled, ColormapUninstalled */
} XColormapEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window;
Atom message_type;
int format;
union {
char b[20];
short s[10];
long l[5];
} data;
} XClientMessageEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display; /* Display the event was read from */
Window window; /* unused */
int request; /* one of MappingModifier, MappingKeyboard,
MappingPointer */
int first_keycode; /* first keycode */
int count; /* defines range of change w. first_keycode*/
} XMappingEvent;

typedef struct {
int type;
Display *display; /* Display the event was read from */
XID resourceid; /* resource id */
unsigned long serial; /* serial number of failed request */
unsigned char error_code; /* error code of failed request */
unsigned char request_code; /* Major op-code of failed request */
unsigned char minor_code; /* Minor op-code of failed request */
} XErrorEvent;

typedef struct {
int type;
unsigned long serial; /* # of last request processed by server */
Bool send_event; /* true if this came from a SendEvent request */
Display *display;/* Display the event was read from */
Window window; /* window on which event was requested in event mask */
} XAnyEvent;

/*
* this union is defined so Xlib can always use the same sized
* event structure internally, to avoid memory fragmentation.
*/
typedef union _XEvent {
        int type; /* must not be changed; first element */
XAnyEvent xany;
XKeyEvent xkey;
XButtonEvent xbutton;
XMotionEvent xmotion;
XCrossingEvent xcrossing;
XFocusChangeEvent xfocus;
XExposeEvent xexpose;
XGraphicsExposeEvent xgraphicsexpose;
XNoExposeEvent xnoexpose;
XVisibilityEvent xvisibility;
XCreateWindowEvent xcreatewindow;
XDestroyWindowEvent xdestroywindow;
XUnmapEvent xunmap;
XMapEvent xmap;
XMapRequestEvent xmaprequest;
XReparentEvent xreparent;
XConfigureEvent xconfigure;
XGravityEvent xgravity;
XResizeRequestEvent xresizerequest;
XConfigureRequestEvent xconfigurerequest;
XCirculateEvent xcirculate;
XCirculateRequestEvent xcirculaterequest;
XPropertyEvent xproperty;
XSelectionClearEvent xselectionclear;
XSelectionRequestEvent xselectionrequest;
XSelectionEvent xselection;
XColormapEvent xcolormap;
XClientMessageEvent xclient;
XMappingEvent xmapping;
XErrorEvent xerror;
XKeymapEvent xkeymap;
long pad[24];
} XEvent;

void InitSys(void);
Bool XQueryPointer(
    Display* display,
    Window w,
    Window* root_return,
    Window* child_return,
    int* root_x_return,
    int* root_y_return,
    int* win_x_return,
    int* win_y_return,
    unsigned int* mask_return);
void XNextEvent(Display *d, XEvent *event);
void XLookupString(XKeyEvent *xkey, char *buf, int sizeof_buf, KeySym *ks, int f);
Window MyCreateWindow(Display *d, Window par, int x, int y, int w, int h);
void morphPM();
Window nativeWindowId(Display *, Window);
void glpMoveResizeWindow(int x, int y, unsigned int width, unsigned int height, Window w, Display* display);
void glpMoveWindow(int x, int y, Window w, Display* display);
void glpResizeWindow(unsigned int width, unsigned int height, Window w, Display* display);

extern AV *EventAv;
extern unsigned long LastEventMask; /* XXXX Common for all the windows */
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