tktext.h

linux系统下的音频通信

    int insertWidth;		/* Total width of insert cursor. */
    int insertBorderWidth;	/* Width of 3-D border around insert cursor. */
    int insertOnTime;		/* Number of milliseconds cursor should spend
				 * in "on" state for each blink. */
    int insertOffTime;		/* Number of milliseconds cursor should spend
				 * in "off" state for each blink. */
    Tcl_TimerToken insertBlinkHandler;
				/* Timer handler used to blink cursor on and
				 * off. */

    /*
     * Information used for event bindings associated with tags:
     */

    Tk_BindingTable bindingTable;
				/* Table of all bindings currently defined
				 * for this widget.  NULL means that no
				 * bindings exist, so the table hasn't been
				 * created.  Each "object" used for this
				 * table is the address of a tag. */
    TkTextSegment *currentMarkPtr;
				/* Pointer to segment for "current" mark,
				 * or NULL if none. */
    XEvent pickEvent;		/* The event from which the current character
				 * was chosen.  Must be saved so that we
				 * can repick after modifications to the
				 * text. */
    int numCurTags;		/* Number of tags associated with character
				 * at current mark. */
    TkTextTag **curTagArrayPtr;	/* Pointer to array of tags for current
				 * mark, or NULL if none. */

    /*
     * Miscellaneous additional information:
     */

    char *takeFocus;		/* Value of -takeFocus option;  not used in
				 * the C code, but used by keyboard traversal
				 * scripts.  Malloc'ed, but may be NULL. */
    char *xScrollCmd;		/* Prefix of command to issue to update
				 * horizontal scrollbar when view changes. */
    char *yScrollCmd;		/* Prefix of command to issue to update
				 * vertical scrollbar when view changes. */
    int flags;			/* Miscellaneous flags;  see below for
				 * definitions. */
} TkText;

/*
 * Flag values for TkText records:
 *
 * GOT_SELECTION:		Non-zero means we've already claimed the
 *				selection.
 * INSERT_ON:			Non-zero means insertion cursor should be
 *				displayed on screen.
 * GOT_FOCUS:			Non-zero means this window has the input
 *				focus.
 * BUTTON_DOWN:			1 means that a mouse button is currently
 *				down;  this is used to implement grabs
 *				for the duration of button presses.
 * UPDATE_SCROLLBARS:		Non-zero means scrollbar(s) should be updated
 *				during next redisplay operation.
 */

#define GOT_SELECTION		1
#define INSERT_ON		2
#define GOT_FOCUS		4
#define BUTTON_DOWN		8
#define UPDATE_SCROLLBARS	0x10
#define NEED_REPICK		0x20

/*
 * Records of the following type define segment types in terms of
 * a collection of procedures that may be called to manipulate
 * segments of that type.
 */

typedef TkTextSegment *	Tk_SegSplitProc _ANSI_ARGS_((
			    struct TkTextSegment *segPtr, int index));
typedef int		Tk_SegDeleteProc _ANSI_ARGS_((
			    struct TkTextSegment *segPtr,
			    TkTextLine *linePtr, int treeGone));
typedef TkTextSegment *	Tk_SegCleanupProc _ANSI_ARGS_((
			    struct TkTextSegment *segPtr, TkTextLine *linePtr));
typedef void		Tk_SegLineChangeProc _ANSI_ARGS_((
			    struct TkTextSegment *segPtr, TkTextLine *linePtr));
typedef int		Tk_SegLayoutProc _ANSI_ARGS_((struct TkText *textPtr,
			    struct TkTextIndex *indexPtr, TkTextSegment *segPtr,
			    int offset, int maxX, int maxChars,
			    int noCharsYet, Tk_Uid wrapMode,
			    struct TkTextDispChunk *chunkPtr));
typedef void		Tk_SegCheckProc _ANSI_ARGS_((TkTextSegment *segPtr,
			    TkTextLine *linePtr));

typedef struct Tk_SegType {
    char *name;				/* Name of this kind of segment. */
    int leftGravity;			/* If a segment has zero size (e.g. a
					 * mark or tag toggle), does it
					 * attach to character to its left
					 * or right?  1 means left, 0 means
					 * right. */
    Tk_SegSplitProc *splitProc;		/* Procedure to split large segment
					 * into two smaller ones. */
    Tk_SegDeleteProc *deleteProc;	/* Procedure to call to delete
					 * segment. */
    Tk_SegCleanupProc *cleanupProc;	/* After any change to a line, this
					 * procedure is invoked for all
					 * segments left in the line to
					 * perform any cleanup they wish
					 * (e.g. joining neighboring
					 * segments). */
    Tk_SegLineChangeProc *lineChangeProc;
					/* Invoked when a segment is about
					 * to be moved from its current line
					 * to an earlier line because of
					 * a deletion.  The linePtr is that
					 * for the segment's old line.
					 * CleanupProc will be invoked after
					 * the deletion is finished. */
    Tk_SegLayoutProc *layoutProc;	/* Returns size information when
					 * figuring out what to display in
					 * window. */
    Tk_SegCheckProc *checkProc;		/* Called during consistency checks
					 * to check internal consistency of
					 * segment. */
} Tk_SegType;

/*
 * The constant below is used to specify a line when what is really
 * wanted is the entire text.  For now, just use a very big number.
 */

#define TK_END_OF_TEXT 1000000

/*
 * The following definition specifies the maximum number of characters
 * needed in a string to hold a position specifier.
 */

#define TK_POS_CHARS 30

/*
 * Declarations for variables shared among the text-related files:
 */

extern int		tkBTreeDebug;
extern int		tkTextDebug;
extern Tk_SegType	tkTextCharType;
extern Tk_Uid		tkTextCharUid;
extern Tk_Uid		tkTextDisabledUid;
extern Tk_SegType	tkTextLeftMarkType;
extern Tk_Uid		tkTextNoneUid;
extern Tk_Uid 		tkTextNormalUid;
extern Tk_SegType	tkTextRightMarkType;
extern Tk_SegType	tkTextToggleOnType;
extern Tk_SegType	tkTextToggleOffType;
extern Tk_Uid		tkTextWordUid;

/*
 * Declarations for procedures that are used by the text-related files
 * but shouldn't be used anywhere else in Tk (or by Tk clients):
 */

extern int		TkBTreeCharTagged _ANSI_ARGS_((TkTextIndex *indexPtr,
			    TkTextTag *tagPtr));
extern void		TkBTreeCheck _ANSI_ARGS_((TkTextBTree tree));
extern int		TkBTreeCharsInLine _ANSI_ARGS_((TkTextLine *linePtr));
extern TkTextBTree	TkBTreeCreate _ANSI_ARGS_((TkText *textPtr));
extern void		TkBTreeDestroy _ANSI_ARGS_((TkTextBTree tree));
extern void		TkBTreeDeleteChars _ANSI_ARGS_((TkTextIndex *index1Ptr,
			    TkTextIndex *index2Ptr));
extern TkTextLine *	TkBTreeFindLine _ANSI_ARGS_((TkTextBTree tree,
			    int line));
extern TkTextTag **	TkBTreeGetTags _ANSI_ARGS_((TkTextIndex *indexPtr,
			    int *numTagsPtr));
extern void		TkBTreeInsertChars _ANSI_ARGS_((TkTextIndex *indexPtr,
			    char *string));
extern int		TkBTreeLineIndex _ANSI_ARGS_((TkTextLine *linePtr));
extern void		TkBTreeLinkSegment _ANSI_ARGS_((TkTextSegment *segPtr,
			    TkTextIndex *indexPtr));
extern TkTextLine *	TkBTreeNextLine _ANSI_ARGS_((TkTextLine *linePtr));
extern int		TkBTreeNextTag _ANSI_ARGS_((TkTextSearch *searchPtr));
extern int		TkBTreeNumLines _ANSI_ARGS_((TkTextBTree tree));
extern TkTextLine *	TkBTreePreviousLine _ANSI_ARGS_((TkTextLine *linePtr));
extern int		TkBTreePrevTag _ANSI_ARGS_((TkTextSearch *searchPtr));
extern void		TkBTreeStartSearch _ANSI_ARGS_((TkTextIndex *index1Ptr,
			    TkTextIndex *index2Ptr, TkTextTag *tagPtr,
			    TkTextSearch *searchPtr));
extern void		TkBTreeStartSearchBack _ANSI_ARGS_((TkTextIndex *index1Ptr,
			    TkTextIndex *index2Ptr, TkTextTag *tagPtr,
			    TkTextSearch *searchPtr));
extern void		TkBTreeTag _ANSI_ARGS_((TkTextIndex *index1Ptr,
			    TkTextIndex *index2Ptr, TkTextTag *tagPtr,
			    int add));
extern void		TkBTreeUnlinkSegment _ANSI_ARGS_((TkTextBTree tree,
			    TkTextSegment *segPtr, TkTextLine *linePtr));
extern void		TkTextBindProc _ANSI_ARGS_((ClientData clientData,
			    XEvent *eventPtr));
extern void		TkTextChanged _ANSI_ARGS_((TkText *textPtr,
			    TkTextIndex *index1Ptr, TkTextIndex *index2Ptr));
extern int		TkTextCharBbox _ANSI_ARGS_((TkText *textPtr,
			    TkTextIndex *indexPtr, int *xPtr, int *yPtr,
			    int *widthPtr, int *heightPtr));
extern int		TkTextCharLayoutProc _ANSI_ARGS_((TkText *textPtr,
			    TkTextIndex *indexPtr, TkTextSegment *segPtr,
			    int offset, int maxX, int maxChars, int noBreakYet,
			    Tk_Uid wrapMode, TkTextDispChunk *chunkPtr));
extern void		TkTextCreateDInfo _ANSI_ARGS_((TkText *textPtr));
extern int		TkTextDLineInfo _ANSI_ARGS_((TkText *textPtr,
			    TkTextIndex *indexPtr, int *xPtr, int *yPtr,
			    int *widthPtr, int *heightPtr, int *basePtr));
extern TkTextTag *	TkTextCreateTag _ANSI_ARGS_((TkText *textPtr,
			    char *tagName));
extern void		TkTextFreeDInfo _ANSI_ARGS_((TkText *textPtr));
extern void		TkTextFreeTag _ANSI_ARGS_((TkText *textPtr,
			    TkTextTag *tagPtr));
extern int		TkTextGetIndex _ANSI_ARGS_((Tcl_Interp *interp,
			    TkText *textPtr, char *string,
			    TkTextIndex *indexPtr));
extern TkTextTabArray *	TkTextGetTabs _ANSI_ARGS_((Tcl_Interp *interp,
			    Tk_Window tkwin, char *string));
extern void		TkTextIndexBackChars _ANSI_ARGS_((TkTextIndex *srcPtr,
			    int count, TkTextIndex *dstPtr));
extern int		TkTextIndexCmp _ANSI_ARGS_((TkTextIndex *index1Ptr,
			    TkTextIndex *index2Ptr));
extern void		TkTextIndexForwChars _ANSI_ARGS_((TkTextIndex *srcPtr,
			    int count, TkTextIndex *dstPtr));
extern TkTextSegment *	TkTextIndexToSeg _ANSI_ARGS_((TkTextIndex *indexPtr,
			    int *offsetPtr));
extern void		TkTextInsertDisplayProc _ANSI_ARGS_((
			    TkTextDispChunk *chunkPtr, int x, int y, int height,
			    int baseline, Display *display, Drawable dst,
			    int screenY));
extern void		TkTextLostSelection _ANSI_ARGS_((
			    ClientData clientData));
extern TkTextIndex *	TkTextMakeIndex _ANSI_ARGS_((TkTextBTree tree,
			    int lineIndex, int charIndex,
			    TkTextIndex *indexPtr));
extern int		TkTextMarkCmd _ANSI_ARGS_((TkText *textPtr,
			    Tcl_Interp *interp, int argc, char **argv));
extern int		TkTextMarkNameToIndex _ANSI_ARGS_((TkText *textPtr,
			    char *name, TkTextIndex *indexPtr));
extern void		TkTextMarkSegToIndex _ANSI_ARGS_((TkText *textPtr,
			    TkTextSegment *markPtr, TkTextIndex *indexPtr));
extern void		TkTextEventuallyRepick _ANSI_ARGS_((TkText *textPtr));
extern void		TkTextPickCurrent _ANSI_ARGS_((TkText *textPtr,
			    XEvent *eventPtr));
extern void		TkTextPixelIndex _ANSI_ARGS_((TkText *textPtr,
			    int x, int y, TkTextIndex *indexPtr));
extern void		TkTextPrintIndex _ANSI_ARGS_((TkTextIndex *indexPtr,
			    char *string));
extern void		TkTextRedrawRegion _ANSI_ARGS_((TkText *textPtr,
			    int x, int y, int width, int height));
extern void		TkTextRedrawTag _ANSI_ARGS_((TkText *textPtr,
			    TkTextIndex *index1Ptr, TkTextIndex *index2Ptr,
			    TkTextTag *tagPtr, int withTag));
extern void		TkTextRelayoutWindow _ANSI_ARGS_((TkText *textPtr));
extern int		TkTextScanCmd _ANSI_ARGS_((TkText *textPtr,
			    Tcl_Interp *interp, int argc, char **argv));
extern int		TkTextSeeCmd _ANSI_ARGS_((TkText *textPtr,
			    Tcl_Interp *interp, int argc, char **argv));
extern int		TkTextSegToOffset _ANSI_ARGS_((TkTextSegment *segPtr,
			    TkTextLine *linePtr));
extern TkTextSegment *	TkTextSetMark _ANSI_ARGS_((TkText *textPtr, char *name,
			    TkTextIndex *indexPtr));
extern void		TkTextSetYView _ANSI_ARGS_((TkText *textPtr,
			    TkTextIndex *indexPtr, int pickPlace));
extern int		TkTextTagCmd _ANSI_ARGS_((TkText *textPtr,
			    Tcl_Interp *interp, int argc, char **argv));
extern int		TkTextImageCmd _ANSI_ARGS_((TkText *textPtr,
			    Tcl_Interp *interp, int argc, char **argv));
extern int		TkTextImageIndex _ANSI_ARGS_((TkText *textPtr,
			    char *name, TkTextIndex *indexPtr));
extern int		TkTextWindowCmd _ANSI_ARGS_((TkText *textPtr,
			    Tcl_Interp *interp, int argc, char **argv));
extern int		TkTextWindowIndex _ANSI_ARGS_((TkText *textPtr,
			    char *name, TkTextIndex *indexPtr));
extern int		TkTextXviewCmd _ANSI_ARGS_((TkText *textPtr,
			    Tcl_Interp *interp, int argc, char **argv));
extern int		TkTextYviewCmd _ANSI_ARGS_((TkText *textPtr,
			    Tcl_Interp *interp, int argc, char **argv));

#endif /* _TKTEXT */