xlib.h

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/*
 * 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;
#endif

#define XAllocID(dpy) ((*((_XPrivDisplay)dpy)->resource_alloc)((dpy)))

/*
 * 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;

/* unused:
typedef void (*XOMProc)();
 */

typedef struct _XOM *XOM;
typedef struct _XOC *XOC, *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;

#define XNRequiredCharSet "requiredCharSet"
#define XNQueryOrientation "queryOrientation"
#define XNBaseFontName "baseFontName"
#define XNOMAutomatic "omAutomatic"
#define XNMissingCharSet "missingCharSet"
#define XNDefaultString "defaultString"
#define XNOrientation "orientation"
#define XNDirectionalDependentDrawing "directionalDependentDrawing"
#define XNContextualDrawing "contextualDrawing"
#define XNFontInfo "fontInfo"

typedef struct {
    int charset_count;
    char **charset_list;
} XOMCharSetList;

typedef enum {
    XOMOrientation_LTR_TTB,
    XOMOrientation_RTL_TTB,
    XOMOrientation_TTB_LTR,
    XOMOrientation_TTB_RTL,
    XOMOrientation_Context
} XOrientation;

typedef struct {
    int num_orientation;
    XOrientation *orientation;	/* Input Text description */
} XOMOrientation;

typedef struct {
    int num_font;
    XFontStruct **font_struct_list;
    char **font_name_list;
} XOMFontInfo;

typedef struct _XIM *XIM;
typedef struct _XIC *XIC;

typedef void (*XIMProc)(
#if NeedFunctionPrototypes
    XIM,
    XPointer,
    XPointer
#endif
);

typedef Bool (*XICProc)(
#if NeedFunctionPrototypes
    XIC,
    XPointer,
    XPointer
#endif
);

typedef void (*XIDProc)(
#if NeedFunctionPrototypes
    Display*,
    XPointer,
    XPointer
#endif
);

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 XNQueryInputStyle "queryInputStyle"
#define XNClientWindow "clientWindow"
#define XNInputStyle "inputStyle"
#define XNFocusWindow "focusWindow"
#define XNResourceName "resourceName"
#define XNResourceClass "resourceClass"
#define XNGeometryCallback "geometryCallback"
#define XNDestroyCallback "destroyCallback"
#define XNFilterEvents "filterEvents"
#define XNPreeditStartCallback "preeditStartCallback"
#define XNPreeditDoneCallback "preeditDoneCallback"
#define XNPreeditDrawCallback "preeditDrawCallback"
#define XNPreeditCaretCallback "preeditCaretCallback"
#define XNPreeditStateNotifyCallback "preeditStateNotifyCallback"
#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 XNQueryIMValuesList "queryIMValuesList"
#define XNQueryICValuesList "queryICValuesList"
#define XNVisiblePosition "visiblePosition"
#define XNR6PreeditCallback "r6PreeditCallback"
#define XNStringConversionCallback "stringConversionCallback"
#define XNStringConversion "stringConversion"
#define XNResetState "resetState"
#define XNHotKey "hotKey"
#define XNHotKeyState "hotKeyState"
#define XNPreeditState "preeditState"
#define XNSeparatorofNestedList "separatorofNestedList"

#define XBufferOverflow		-1
#define XLookupNone		1
#define XLookupChars		2
#define XLookupKeySym		3
#define XLookupBoth		4

#if NeedFunctionPrototypes
typedef void *XVaNestedList;
#else
typedef XPointer XVaNestedList;
#endif

typedef struct {
    XPointer client_data;
    XIMProc callback;
} XIMCallback;

typedef struct {
    XPointer client_data;
    XICProc callback;
} XICCallback;

typedef unsigned long XIMFeedback;

#define XIMReverse		1L
#define XIMUnderline		(1L<<1) 
#define XIMHighlight		(1L<<2)
#define XIMPrimary	 	(1L<<5)
#define XIMSecondary		(1L<<6)
#define XIMTertiary	 	(1L<<7)
#define XIMVisibleToForward 	(1L<<8)
#define XIMVisibleToBackword 	(1L<<9)
#define XIMVisibleToCenter 	(1L<<10)

typedef struct _XIMText {
    unsigned short length;
    XIMFeedback *feedback;
    Bool encoding_is_wchar; 
    union {
	char *multi_byte;
	wchar_t *wide_char;
    } string; 
} XIMText;

typedef	unsigned long	 XIMPreeditState;

#define	XIMPreeditUnKnown	0L
#define	XIMPreeditEnable	1L
#define	XIMPreeditDisable	(1L<<1)

typedef	struct	_XIMPreeditStateNotifyCallbackStruct {
    XIMPreeditState state;
} XIMPreeditStateNotifyCallbackStruct;

typedef	unsigned long	 XIMResetState;

#define	XIMInitialState		1L
#define	XIMPreserveState	(1L<<1)

typedef unsigned long XIMStringConversionFeedback;

#define	XIMStringConversionLeftEdge	(0x00000001)
#define	XIMStringConversionRightEdge	(0x00000002)
#define	XIMStringConversionTopEdge	(0x00000004)
#define	XIMStringConversionBottomEdge	(0x00000008)
#define	XIMStringConversionConcealed	(0x00000010)
#define	XIMStringConversionWrapped	(0x00000020)

typedef struct _XIMStringConversionText {
    unsigned short length;
    XIMStringConversionFeedback *feedback;
    Bool encoding_is_wchar; 
    union {
	char *mbs;
	wchar_t *wcs;
    } string; 
} XIMStringConversionText;

typedef	unsigned short	XIMStringConversionPosition;

typedef	unsigned short	XIMStringConversionType;

#define	XIMStringConversionBuffer	(0x0001)
#define	XIMStringConversionLine		(0x0002)
#define	XIMStringConversionWord		(0x0003)
#define	XIMStringConversionChar		(0x0004)

typedef	unsigned short	XIMStringConversionOperation;

#define	XIMStringConversionSubstitution	(0x0001)
#define	XIMStringConversionRetrival	(0x0002)

typedef enum {
    XIMForwardChar, XIMBackwardChar,
    XIMForwardWord, XIMBackwardWord,
    XIMCaretUp, XIMCaretDown,
    XIMNextLine, XIMPreviousLine,
    XIMLineStart, XIMLineEnd, 
    XIMAbsolutePosition,
    XIMDontChange
} XIMCaretDirection;

typedef struct _XIMStringConversionCallbackStruct {
    XIMStringConversionPosition position;
    XIMCaretDirection direction;
    XIMStringConversionOperation operation;
    unsigned short factor;
    XIMStringConversionText *text;
} XIMStringConversionCallbackStruct;

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 {
    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;

typedef struct _XIMHotKeyTrigger {
    KeySym	 keysym;
    int		 modifier;
    int		 modifier_mask;
} XIMHotKeyTrigger;

typedef struct _XIMHotKeyTriggers {
    int			 num_hot_key;
    XIMHotKeyTrigger	*key;
} XIMHotKeyTriggers;

typedef	unsigned long	 XIMHotKeyState;

#define	XIMHotKeyStateON	(0x0001L)
#define	XIMHotKeyStateOFF	(0x0002L)

typedef struct {
    unsigned short count_values;
    char **supported_values;
} XIMValuesList;

_XFUNCPROTOBEGIN

#if defined(WIN32) && !defined(_XLIBINT_)
#define _Xdebug (*_Xdebug_p)
#endif

extern int _Xdebug;

extern 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 */,