/* * per character font metric information. */typedef struct {    short	lbearing;	/* origin to left edge of raster */    short	rbearing;	/* origin to right edge of raster */    short	width;		/* advance to next char's origin */    short	ascent;		/* baseline to top edge of raster */    short	descent;	/* baseline to bottom edge of raster */    unsigned short attributes;	/* per char flags (not predefined) */} XCharStruct;/* * To allow arbitrary information with fonts, there are additional properties * returned. */typedef struct {    Atom name;    unsigned long card32;} XFontProp;typedef struct {    XExtData	*ext_data;	/* hook for extension to hang data */    Font        fid;            /* Font id for this font */    unsigned	direction;	/* hint about direction the font is painted */    unsigned	min_char_or_byte2;/* first character */    unsigned	max_char_or_byte2;/* last character */    unsigned	min_byte1;	/* first row that exists */    unsigned	max_byte1;	/* last row that exists */    Bool	all_chars_exist;/* flag if all characters have non-zero size*/    unsigned	default_char;	/* char to print for undefined character */    int         n_properties;   /* how many properties there are */    XFontProp	*properties;	/* pointer to array of additional properties*/    XCharStruct	min_bounds;	/* minimum bounds over all existing char*/    XCharStruct	max_bounds;	/* maximum bounds over all existing char*/    XCharStruct	*per_char;	/* first_char to last_char information */    int		ascent;		/* log. extent above baseline for spacing */    int		descent;	/* log. descent below baseline for spacing */} XFontStruct;/* * PolyText routines take these as arguments. */typedef struct {    char *chars;		/* pointer to string */    int nchars;			/* number of characters */    int delta;			/* delta between strings */    Font font;			/* font to print it in, None don't change */} XTextItem;typedef struct {		/* normal 16 bit characters are two bytes */    unsigned char byte1;    unsigned char byte2;} XChar2b;typedef struct {    XChar2b *chars;		/* two byte characters */    int nchars;			/* number of characters */    int delta;			/* delta between strings */    Font font;			/* font to print it in, None don't change */} XTextItem16;typedef union { Display *display;		GC gc;		Visual *visual;		Screen *screen;		ScreenFormat *pixmap_format;		XFontStruct *font; } XEDataObject;typedef struct {    XRectangle      max_ink_extent;    XRectangle      max_logical_extent;} XFontSetExtents;typedef struct _XFontSet *XFontSet;typedef struct {    char           *chars;    int             nchars;    int             delta;    XFontSet        font_set;} XmbTextItem;typedef struct {    wchar_t        *chars;    int             nchars;    int             delta;    XFontSet        font_set;} XwcTextItem;typedef void (*XIMProc)();typedef struct _XIM *XIM;typedef struct _XIC *XIC;typedef unsigned long XIMStyle;typedef struct {    unsigned short count_styles;    XIMStyle *supported_styles;} XIMStyles;#define XIMPreeditArea		0x0001L#define XIMPreeditCallbacks	0x0002L#define XIMPreeditPosition	0x0004L#define XIMPreeditNothing	0x0008L#define XIMPreeditNone		0x0010L#define XIMStatusArea		0x0100L#define XIMStatusCallbacks	0x0200L#define XIMStatusNothing	0x0400L#define XIMStatusNone		0x0800L#define XNVaNestedList "XNVaNestedList"#define XNClientWindow "clientWindow"#define XNInputStyle "inputStyle"#define XNFocusWindow "focusWindow"#define XNResourceName "resourceName"#define XNResourceClass "resourceClass"#define XNGeometryCallback "geometryCallback"#define XNFilterEvents "filterEvents"#define XNPreeditStartCallback "preeditStartCallback"#define XNPreeditDoneCallback "preeditDoneCallback"#define XNPreeditDrawCallback "preeditDrawCallback"#define XNPreeditCaretCallback "preeditCaretCallback"#define XNPreeditAttributes "preeditAttributes"#define XNStatusStartCallback "statusStartCallback"#define XNStatusDoneCallback "statusDoneCallback"#define XNStatusDrawCallback "statusDrawCallback"#define XNStatusAttributes "statusAttributes"#define XNArea "area"#define XNAreaNeeded "areaNeeded"#define XNSpotLocation "spotLocation"#define XNColormap "colorMap"#define XNStdColormap "stdColorMap"#define XNForeground "foreground"#define XNBackground "background"#define XNBackgroundPixmap "backgroundPixmap"#define XNFontSet "fontSet"#define XNLineSpace "lineSpace"#define XNCursor "cursor"#define XBufferOverflow		-1#define XLookupNone		1#define XLookupChars		2#define XLookupKeySym		3#define XLookupBoth		4#if NeedFunctionPrototypestypedef void *XVaNestedList;#elsetypedef XPointer XVaNestedList;#endiftypedef struct {    XPointer client_data;    XIMProc callback;} XIMCallback;typedef unsigned long XIMFeedback;#define XIMReverse	1#define XIMUnderline	(1<<1) #define XIMHighlight	(1<<2)#define XIMPrimary 	(1<<5)#define XIMSecondary	(1<<6)#define XIMTertiary 	(1<<7)typedef struct _XIMText {    unsigned short length;    XIMFeedback *feedback;    Bool encoding_is_wchar;     union {	char *multi_byte;	wchar_t *wide_char;    } string; } XIMText;typedef struct _XIMPreeditDrawCallbackStruct {    int caret;		/* Cursor offset within pre-edit string */    int chg_first;	/* Starting change position */    int chg_length;	/* Length of the change in character count */    XIMText *text;} XIMPreeditDrawCallbackStruct;typedef enum {    XIMForwardChar, XIMBackwardChar,    XIMForwardWord, XIMBackwardWord,    XIMCaretUp, XIMCaretDown,    XIMNextLine, XIMPreviousLine,    XIMLineStart, XIMLineEnd,     XIMAbsolutePosition,    XIMDontChange} XIMCaretDirection;typedef enum {    XIMIsInvisible,	/* Disable caret feedback */     XIMIsPrimary,	/* UI defined caret feedback */    XIMIsSecondary	/* UI defined caret feedback */} XIMCaretStyle;typedef struct _XIMPreeditCaretCallbackStruct {    int position;		 /* Caret offset within pre-edit string */    XIMCaretDirection direction; /* Caret moves direction */    XIMCaretStyle style;	 /* Feedback of the caret */} XIMPreeditCaretCallbackStruct;typedef enum {    XIMTextType,    XIMBitmapType} XIMStatusDataType;	typedef struct _XIMStatusDrawCallbackStruct {    XIMStatusDataType type;    union {	XIMText *text;	Pixmap  bitmap;    } data;} XIMStatusDrawCallbackStruct;_XFUNCPROTOBEGINextern XFontStruct *XLoadQueryFont(#if NeedFunctionPrototypes    Display*		/* display */,    _Xconst char*	/* name */#endif);extern XFontStruct *XQueryFont(#if NeedFunctionPrototypes    Display*		/* display */,    XID			/* font_ID */#endif);extern XTimeCoord *XGetMotionEvents(#if NeedFunctionPrototypes    Display*		/* display */,    Window		/* w */,    Time		/* start */,    Time		/* stop */,    int*		/* nevents_return */#endif);extern XModifierKeymap *XDeleteModifiermapEntry(#if NeedFunctionPrototypes    XModifierKeymap*	/* modmap */,#if NeedWidePrototypes    unsigned int	/* keycode_entry */,#else    KeyCode		/* keycode_entry */,#endif    int			/* modifier */#endif);extern XModifierKeymap	*XGetModifierMapping(#if NeedFunctionPrototypes    Display*		/* display */#endif);extern XModifierKeymap	*XInsertModifiermapEntry(#if NeedFunctionPrototypes    XModifierKeymap*	/* modmap */,#if NeedWidePrototypes    unsigned int	/* keycode_entry */,#else    KeyCode		/* keycode_entry */,#endif    int			/* modifier */    #endif);extern XModifierKeymap *XNewModifiermap(#if NeedFunctionPrototypes    int			/* max_keys_per_mod */#endif);extern XImage *XCreateImage(#if NeedFunctionPrototypes    Display*		/* display */,    Visual*		/* visual */,    unsigned int	/* depth */,    int			/* format */,    int			/* offset */,    char*		/* data */,    unsigned int	/* width */,    unsigned int	/* height */,    int			/* bitmap_pad */,    int			/* bytes_per_line */#endif);extern XImage *XGetImage(#if NeedFunctionPrototypes    Display*		/* display */,    Drawable		/* d */,    int			/* x */,    int			/* y */,    unsigned int	/* width */,    unsigned int	/* height */,    unsigned long	/* plane_mask */,    int			/* format */#endif);extern XImage *XGetSubImage(#if NeedFunctionPrototypes    Display*		/* display */,    Drawable		/* d */,    int			/* x */,    int			/* y */,    unsigned int	/* width */,    unsigned int	/* height */,    unsigned long	/* plane_mask */,    int			/* format */,    XImage*		/* dest_image */,    int			/* dest_x */,    int			/* dest_y */#endif);/*  * X function declarations. */extern Display *XOpenDisplay(#if NeedFunctionPrototypes    _Xconst char*	/* display_name */#endif);extern void XrmInitialize(#if NeedFunctionPrototypes    void#endif);extern char *XFetchBytes(#if NeedFunctionPrototypes    Display*		/* display */,    int*		/* nbytes_return */#endif);extern char *XFetchBuffer(#if NeedFunctionPrototypes    Display*		/* display */,    int*		/* nbytes_return */,    int			/* buffer */#endif);extern char *XGetAtomName(#if NeedFunctionPrototypes    Display*		/* display */,    Atom		/* atom */#endif);extern char *XGetDefault(#if NeedFunctionPrototypes    Display*		/* display */,    _Xconst char*	/* program */,    _Xconst char*	/* option */		  #endif);extern char *XDisplayName(#if NeedFunctionPrototypes    _Xconst char*	/* string */#endif);extern char *XKeysymToString(#if NeedFunctionPrototypes    KeySym		/* keysym */#endif);extern int (*XSynchronize(#if NeedFunctionPrototypes    Display*		/* display */,    Bool		/* onoff */#endif))();extern int (*XSetAfterFunction(#if NeedFunctionPrototypes    Display*		/* display */,    int (*) (#if NeedNestedPrototypes	     Display*	/* display */#endif            )		/* procedure */#endif))();extern Atom XInternAtom(#if NeedFunctionPrototypes    Display*		/* display */,    _Xconst char*	/* atom_name */,    Bool		/* only_if_exists */		 #endif);extern Colormap XCopyColormapAndFree(#if NeedFunctionPrototypes    Display*		/* display */,    Colormap		/* colormap */#endif);extern Colormap XCreateColormap(#if NeedFunctionPrototypes    Display*		/* display */,    Window		/* w */,    Visual*		/* visual */,    int			/* alloc */			 #endif);extern Cursor XCreatePixmapCursor(#if NeedFunctionPrototypes    Display*		/* display */,    Pixmap		/* source */,    Pixmap		/* mask */,    XColor*		/* foreground_color */,    XColor*		/* background_color */,    unsigned int	/* x */,    unsigned int	/* y */			   #endif);extern Cursor XCreateGlyphCursor(#if NeedFunctionPrototypes    Display*		/* display */,    Font		/* source_font */,    Font		/* mask_font */,    unsigned int	/* source_char */,    unsigned int	/* mask_char */,    XColor*		/* foreground_color */,    XColor*		/* background_color */#endif);extern Cursor XCreateFontCursor(#if NeedFunctionPrototypes    Display*		/* display */,    unsigned int	/* shape */#endif);extern Font XLoadFont(#if NeedFunctionPrototypes    Display*		/* display */,    _Xconst char*	/* name */#endif);extern GC XCreateGC(#if NeedFunctionPrototypes    Display*		/* display */,    Drawable		/* d */,    unsigned long	/* valuemask */,    XGCValues*		/* values */#endif);extern GContext XGContextFromGC(#if NeedFunctionPrototypes    GC			/* gc */#endif);extern void XFlushGC(#if NeedFunctionPrototypes    Display*		/* display */,    GC			/* gc */#endif);extern Pixmap XCreatePixmap(#if NeedFunctionPrototypes    Display*		/* display */,    Drawable		/* d */,    unsigned int	/* width */,    unsigned int	/* height */,    unsigned int	/* depth */		        #endif);extern Pixmap XCreateBitmapFromData(#if NeedFunctionPrototypes    Display*		/* display */,    Drawable		/* d */,    _Xconst char*	/* data */,    unsigned int	/* width */,    unsigned int	/* height */