xlib.h

linux系统下的音频通信

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

typedef 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;

_XFUNCPROTOBEGIN

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 */,
#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 */