update tcl/tk

1 files changed, 650 insertions, 0 deletions

diff --git a/tk8.6/unix/tkUnixCursor.c b/tk8.6/unix/tkUnixCursor.c
new file mode 100644
index 0000000..8afb92d
--- /dev/null
+++ b/tk8.6/unix/tkUnixCursor.c
@@ -0,0 +1,650 @@
+/*
+ * tkUnixCursor.c --
+ *
+ *	This file contains X specific cursor manipulation routines.
+ *
+ * Copyright (c) 1995-1997 Sun Microsystems, Inc.
+ *
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ */
+
+#include "tkInt.h"
+
+/*
+ * The following data structure is a superset of the TkCursor structure
+ * defined in tkCursor.c. Each system specific cursor module will define a
+ * different cursor structure. All of these structures must have the same
+ * header consisting of the fields in TkCursor.
+ */
+
+typedef struct {
+    TkCursor info;		/* Generic cursor info used by tkCursor.c */
+    Display *display;		/* Display for which cursor is valid. */
+} TkUnixCursor;
+
+/*
+ * The table below is used to map from the name of a cursor to its index in
+ * the official cursor font:
+ */
+
+static const struct CursorName {
+    const char *name;
+    unsigned int shape;
+} cursorNames[] = {
+    {"X_cursor",		XC_X_cursor},
+    {"arrow",			XC_arrow},
+    {"based_arrow_down",	XC_based_arrow_down},
+    {"based_arrow_up",		XC_based_arrow_up},
+    {"boat",			XC_boat},
+    {"bogosity",		XC_bogosity},
+    {"bottom_left_corner",	XC_bottom_left_corner},
+    {"bottom_right_corner",	XC_bottom_right_corner},
+    {"bottom_side",		XC_bottom_side},
+    {"bottom_tee",		XC_bottom_tee},
+    {"box_spiral",		XC_box_spiral},
+    {"center_ptr",		XC_center_ptr},
+    {"circle",			XC_circle},
+    {"clock",			XC_clock},
+    {"coffee_mug",		XC_coffee_mug},
+    {"cross",			XC_cross},
+    {"cross_reverse",		XC_cross_reverse},
+    {"crosshair",		XC_crosshair},
+    {"diamond_cross",		XC_diamond_cross},
+    {"dot",			XC_dot},
+    {"dotbox",			XC_dotbox},
+    {"double_arrow",		XC_double_arrow},
+    {"draft_large",		XC_draft_large},
+    {"draft_small",		XC_draft_small},
+    {"draped_box",		XC_draped_box},
+    {"exchange",		XC_exchange},
+    {"fleur",			XC_fleur},
+    {"gobbler",			XC_gobbler},
+    {"gumby",			XC_gumby},
+    {"hand1",			XC_hand1},
+    {"hand2",			XC_hand2},
+    {"heart",			XC_heart},
+    {"icon",			XC_icon},
+    {"iron_cross",		XC_iron_cross},
+    {"left_ptr",		XC_left_ptr},
+    {"left_side",		XC_left_side},
+    {"left_tee",		XC_left_tee},
+    {"leftbutton",		XC_leftbutton},
+    {"ll_angle",		XC_ll_angle},
+    {"lr_angle",		XC_lr_angle},
+    {"man",			XC_man},
+    {"middlebutton",		XC_middlebutton},
+    {"mouse",			XC_mouse},
+    {"pencil",			XC_pencil},
+    {"pirate",			XC_pirate},
+    {"plus",			XC_plus},
+    {"question_arrow",		XC_question_arrow},
+    {"right_ptr",		XC_right_ptr},
+    {"right_side",		XC_right_side},
+    {"right_tee",		XC_right_tee},
+    {"rightbutton",		XC_rightbutton},
+    {"rtl_logo",		XC_rtl_logo},
+    {"sailboat",		XC_sailboat},
+    {"sb_down_arrow",		XC_sb_down_arrow},
+    {"sb_h_double_arrow",	XC_sb_h_double_arrow},
+    {"sb_left_arrow",		XC_sb_left_arrow},
+    {"sb_right_arrow",		XC_sb_right_arrow},
+    {"sb_up_arrow",		XC_sb_up_arrow},
+    {"sb_v_double_arrow",	XC_sb_v_double_arrow},
+    {"shuttle",			XC_shuttle},
+    {"sizing",			XC_sizing},
+    {"spider",			XC_spider},
+    {"spraycan",		XC_spraycan},
+    {"star",			XC_star},
+    {"target",			XC_target},
+    {"tcross",			XC_tcross},
+    {"top_left_arrow",		XC_top_left_arrow},
+    {"top_left_corner",		XC_top_left_corner},
+    {"top_right_corner",	XC_top_right_corner},
+    {"top_side",		XC_top_side},
+    {"top_tee",			XC_top_tee},
+    {"trek",			XC_trek},
+    {"ul_angle",		XC_ul_angle},
+    {"umbrella",		XC_umbrella},
+    {"ur_angle",		XC_ur_angle},
+    {"watch",			XC_watch},
+    {"xterm",			XC_xterm},
+    {NULL,			0}
+};
+
+/*
+ * The table below is used to map from a cursor name to the data that defines
+ * the cursor. This table is used for cursors defined by Tk that don't exist
+ * in the X cursor table.
+ */
+
+#define CURSOR_NONE_DATA \
+"#define none_width 1\n" \
+"#define none_height 1\n" \
+"#define none_x_hot 0\n" \
+"#define none_y_hot 0\n" \
+"static unsigned char none_bits[] = {\n" \
+"  0x00};"
+
+/*
+ * Define test cursor to check that mask fg and bg color settings are working.
+ *
+ * . configure -cursor {center_ptr green red}
+ * . configure -cursor {@myarrow.xbm myarrow-mask.xbm green red}
+ * . configure -cursor {myarrow green red}
+ */
+
+/*#define DEFINE_MYARROW_CURSOR*/
+
+#ifdef DEFINE_MYARROW_CURSOR
+#define CURSOR_MYARROW_DATA \
+"#define myarrow_width 16\n" \
+"#define myarrow_height 16\n" \
+"#define myarrow_x_hot 7\n" \
+"#define myarrow_y_hot 0\n" \
+"static unsigned char myarrow_bits[] = {\n" \
+"   0x7f, 0xff, 0xbf, 0xfe, 0xdf, 0xfd, 0xef, 0xfb, 0xf7, 0xf7, 0xfb, 0xef,\n" \
+"   0xfd, 0xdf, 0xfe, 0xbf, 0x80, 0x00, 0xbf, 0xfe, 0xbf, 0xfe, 0xbf, 0xfe,\n" \
+"   0xbf, 0xfe, 0xbf, 0xfe, 0xbf, 0xfe, 0x3f, 0xfe};"
+
+#define CURSOR_MYARROW_MASK \
+"#define myarrow-mask_width 16\n" \
+"#define myarrow-mask_height 16\n" \
+"#define myarrow-mask_x_hot 7\n" \
+"#define myarrow-mask_y_hot 0\n" \
+"static unsigned char myarrow-mask_bits[] = {\n" \
+"   0x80, 0x00, 0xc0, 0x01, 0xe0, 0x03, 0xf0, 0x07, 0xf8, 0x0f, 0xfc, 0x1f,\n" \
+"   0xfe, 0x3f, 0xff, 0x7f, 0xff, 0xff, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01,\n" \
+"   0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01, 0xc0, 0x01};"
+
+#endif /* DEFINE_MYARROW_CURSOR */
+
+static const struct TkCursorName {
+    const char *name;
+    const char *data;
+    char *mask;
+} tkCursorNames[] = {
+    {"none",	CURSOR_NONE_DATA,	NULL},
+#ifdef DEFINE_MYARROW_CURSOR
+    {"myarrow",	CURSOR_MYARROW_DATA,	CURSOR_MYARROW_MASK},
+#endif /* DEFINE_MYARROW_CURSOR */
+    {NULL,	NULL,			NULL}
+};
+
+/*
+ * Font to use for cursors:
+ */
+
+#ifndef CURSORFONT
+#define CURSORFONT "cursor"
+#endif
+
+static Cursor		CreateCursorFromTableOrFile(Tcl_Interp *interp,
+			    Tk_Window tkwin, int argc, const char **argv,
+			    const struct TkCursorName *tkCursorPtr);
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkGetCursorByName --
+ *
+ *	Retrieve a cursor by name. Parse the cursor name into fields and
+ *	create a cursor, either from the standard cursor font or from bitmap
+ *	files.
+ *
+ * Results:
+ *	Returns a new cursor, or NULL on errors.
+ *
+ * Side effects:
+ *	Allocates a new cursor.
+ *
+ *----------------------------------------------------------------------
+ */
+
+TkCursor *
+TkGetCursorByName(
+    Tcl_Interp *interp,		/* Interpreter to use for error reporting. */
+    Tk_Window tkwin,		/* Window in which cursor will be used. */
+    Tk_Uid string)		/* Description of cursor. See manual entry for
+				 * details on legal syntax. */
+{
+    TkUnixCursor *cursorPtr = NULL;
+    Cursor cursor = None;
+    int argc;
+    const char **argv = NULL;
+    Display *display = Tk_Display(tkwin);
+    int inTkTable = 0;
+    const struct TkCursorName *tkCursorPtr = NULL;
+
+    if (Tcl_SplitList(interp, string, &argc, &argv) != TCL_OK) {
+	return NULL;
+    }
+    if (argc == 0) {
+	goto badString;
+    }
+
+    /*
+     * Check Tk specific table of cursor names. The cursor names don't overlap
+     * with cursors defined in the X table so search order does not matter.
+     */
+
+    if (argv[0][0] != '@') {
+	for (tkCursorPtr = tkCursorNames; ; tkCursorPtr++) {
+	    if (tkCursorPtr->name == NULL) {
+		tkCursorPtr = NULL;
+		break;
+	    }
+	    if ((tkCursorPtr->name[0] == argv[0][0]) &&
+		    (strcmp(tkCursorPtr->name, argv[0]) == 0)) {
+		inTkTable = 1;
+		break;
+	    }
+	}
+    }
+
+    if ((argv[0][0] != '@') && !inTkTable) {
+	XColor fg, bg;
+	unsigned int maskIndex;
+	register const struct CursorName *namePtr;
+	TkDisplay *dispPtr;
+
+	/*
+	 * The cursor is to come from the standard cursor font. If one arg, it
+	 * is cursor name (use black and white for fg and bg). If two args,
+	 * they are name and fg color (ignore mask). If three args, they are
+	 * name, fg, bg. Some of the code below is stolen from the
+	 * XCreateFontCursor Xlib function.
+	 */
+
+	if (argc > 3) {
+	    goto badString;
+	}
+	for (namePtr = cursorNames; ; namePtr++) {
+	    if (namePtr->name == NULL) {
+		goto badString;
+	    }
+	    if ((namePtr->name[0] == argv[0][0])
+		    && (strcmp(namePtr->name, argv[0]) == 0)) {
+		break;
+	    }
+	}
+
+	maskIndex = namePtr->shape + 1;
+	if (argc == 1) {
+	    fg.red = fg.green = fg.blue = 0;
+	    bg.red = bg.green = bg.blue = 65535;
+	} else {
+	    if (TkParseColor(display, Tk_Colormap(tkwin), argv[1], &fg) == 0) {
+		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+			"invalid color name \"%s\"", argv[1]));
+		Tcl_SetErrorCode(interp, "TK", "CURSOR", "COLOR", NULL);
+		goto cleanup;
+	    }
+	    if (argc == 2) {
+		bg.red = bg.green = bg.blue = 0;
+		maskIndex = namePtr->shape;
+	    } else if (TkParseColor(display, Tk_Colormap(tkwin), argv[2],
+		    &bg) == 0) {
+		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+			"invalid color name \"%s\"", argv[2]));
+		Tcl_SetErrorCode(interp, "TK", "CURSOR", "COLOR", NULL);
+		goto cleanup;
+	    }
+	}
+	dispPtr = ((TkWindow *) tkwin)->dispPtr;
+	if (dispPtr->cursorFont == None) {
+	    dispPtr->cursorFont = XLoadFont(display, CURSORFONT);
+	    if (dispPtr->cursorFont == None) {
+		Tcl_SetObjResult(interp, Tcl_NewStringObj(
+			"couldn't load cursor font", -1));
+		Tcl_SetErrorCode(interp, "TK", "CURSOR", "FONT", NULL);
+		goto cleanup;
+	    }
+	}
+	cursor = XCreateGlyphCursor(display, dispPtr->cursorFont,
+		dispPtr->cursorFont, namePtr->shape, maskIndex,
+		&fg, &bg);
+    } else {
+	/*
+	 * Prevent file system access in safe interpreters.
+	 */
+
+	if (!inTkTable && Tcl_IsSafe(interp)) {
+	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
+		    "can't get cursor from a file in a safe interpreter",
+		    -1));
+	    Tcl_SetErrorCode(interp, "TK", "SAFE", "CURSOR_FILE", NULL);
+	    cursorPtr = NULL;
+	    goto cleanup;
+	}
+
+	/*
+	 * If the cursor is to be created from bitmap files, then there should
+	 * be either two elements in the list (source, color) or four (source
+	 * mask fg bg). A cursor defined in the Tk table accepts the same
+	 * arguments as an X cursor.
+	 */
+
+	if (inTkTable && (argc != 1) && (argc != 2) && (argc != 3)) {
+	    goto badString;
+	}
+
+	if (!inTkTable && (argc != 2) && (argc != 4)) {
+	    goto badString;
+	}
+
+	cursor = CreateCursorFromTableOrFile(interp, tkwin, argc, argv,
+		tkCursorPtr);
+    }
+
+    if (cursor != None) {
+	cursorPtr = ckalloc(sizeof(TkUnixCursor));
+	cursorPtr->info.cursor = (Tk_Cursor) cursor;
+	cursorPtr->display = display;
+    }
+
+  cleanup:
+    if (argv != NULL) {
+	ckfree(argv);
+    }
+    return (TkCursor *) cursorPtr;
+
+  badString:
+    if (argv) {
+	ckfree(argv);
+    }
+    Tcl_SetObjResult(interp, Tcl_ObjPrintf("bad cursor spec \"%s\"", string));
+    Tcl_SetErrorCode(interp, "TK", "VALUE", "CURSOR", NULL);
+    return NULL;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * CreateCursorFromTableOrFile --
+ *
+ *	Create a cursor defined in a file or the Tk static cursor table. A
+ *	cursor defined in a file starts with the '@' character. This method
+ *	assumes that the number of arguments in argv has been validated
+ *	already.
+ *
+ * Results:
+ *	Returns a new cursor, or None on error.
+ *
+ * Side effects:
+ *	Allocates a new X cursor.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static Cursor
+CreateCursorFromTableOrFile(
+    Tcl_Interp *interp,		/* Interpreter to use for error reporting. */
+    Tk_Window tkwin,		/* Window in which cursor will be used. */
+    int argc,
+    const char **argv,		/* Cursor spec parsed into elements. */
+    const struct TkCursorName *tkCursorPtr)
+				/* Non-NULL when cursor is defined in Tk
+				 * table. */
+{
+    Cursor cursor = None;
+
+    int width, height, maskWidth, maskHeight;
+    int xHot = -1, yHot = -1;
+    int dummy1, dummy2;
+    XColor fg, bg;
+    const char *fgColor;
+    const char *bgColor;
+    int inTkTable = (tkCursorPtr != NULL);
+
+    Display *display = Tk_Display(tkwin);
+    Drawable drawable = RootWindowOfScreen(Tk_Screen(tkwin));
+
+    Pixmap source = None;
+    Pixmap mask = None;
+
+    /*
+     * A cursor defined in a file accepts either 2 or 4 arguments.
+     *
+     * {srcfile fg}
+     * {srcfile maskfile fg bg}
+     *
+     * A cursor defined in the Tk table accepts 1, 2, or 3 arguments.
+     *
+     * {tkcursorname}
+     * {tkcursorname fg}
+     * {tkcursorname fg bg}
+     */
+
+    if (inTkTable) {
+	/*
+	 * This logic is like TkReadBitmapFile().
+	 */
+
+	char *data;
+
+	data = TkGetBitmapData(NULL, tkCursorPtr->data, NULL,
+		&width, &height, &xHot, &yHot);
+	if (data == NULL) {
+	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		    "error reading bitmap data for \"%s\"", argv[0]));
+	    Tcl_SetErrorCode(interp, "TK", "CURSOR", "BITMAP_DATA", NULL);
+	    goto cleanup;
+	}
+
+	source = XCreateBitmapFromData(display, drawable, data, width,height);
+	ckfree(data);
+    } else {
+	if (TkReadBitmapFile(display, drawable, &argv[0][1],
+		(unsigned *) &width, (unsigned *) &height,
+		&source, &xHot, &yHot) != BitmapSuccess) {
+	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		    "cleanup reading bitmap file \"%s\"", &argv[0][1]));
+	    Tcl_SetErrorCode(interp, "TK", "CURSOR", "BITMAP_FILE", NULL);
+	    goto cleanup;
+	}
+    }
+
+    if ((xHot < 0) || (yHot < 0) || (xHot >= width) || (yHot >= height)) {
+	if (inTkTable) {
+	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		    "bad hot spot in bitmap data for \"%s\"", argv[0]));
+	} else {
+	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		    "bad hot spot in bitmap file \"%s\"", &argv[0][1]));
+	}
+	Tcl_SetErrorCode(interp, "TK", "CURSOR", "HOTSPOT", NULL);
+	goto cleanup;
+    }
+
+    /*
+     * Parse color names from optional fg and bg arguments
+     */
+
+    if (argc == 1) {
+	fg.red = fg.green = fg.blue = 0;
+	bg.red = bg.green = bg.blue = 65535;
+    } else if (argc == 2) {
+	fgColor = argv[1];
+	if (TkParseColor(display, Tk_Colormap(tkwin), fgColor, &fg) == 0) {
+	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		    "invalid color name \"%s\"", fgColor));
+	    Tcl_SetErrorCode(interp, "TK", "CURSOR", "COLOR", NULL);
+	    goto cleanup;
+	}
+	if (inTkTable) {
+	    bg.red = bg.green = bg.blue = 0;
+	} else {
+	    bg = fg;
+	}
+    } else {
+	/* 3 or 4 arguments */
+	if (inTkTable) {
+	    fgColor = argv[1];
+	    bgColor = argv[2];
+	} else {
+	    fgColor = argv[2];
+	    bgColor = argv[3];
+	}
+	if (TkParseColor(display, Tk_Colormap(tkwin), fgColor, &fg) == 0) {
+	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		    "invalid color name \"%s\"", fgColor));
+	    Tcl_SetErrorCode(interp, "TK", "CURSOR", "COLOR", NULL);
+	    goto cleanup;
+	}
+	if (TkParseColor(display, Tk_Colormap(tkwin), bgColor, &bg) == 0) {
+	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		    "invalid color name \"%s\"", bgColor));
+	    Tcl_SetErrorCode(interp, "TK", "CURSOR", "COLOR", NULL);
+	    goto cleanup;
+	}
+    }
+
+    /*
+     * If there is no mask data, then create the cursor now.
+     */
+
+    if ((!inTkTable && (argc == 2)) || (inTkTable && tkCursorPtr->mask == NULL)) {
+	cursor = XCreatePixmapCursor(display, source, source,
+		&fg, &fg, (unsigned) xHot, (unsigned) yHot);
+	goto cleanup;
+    }
+
+    /*
+     * Parse bitmap mask data and create cursor with fg and bg colors.
+     */
+
+    if (inTkTable) {
+	/*
+	 * This logic is like TkReadBitmapFile().
+	 */
+
+	char *data;
+
+	data = TkGetBitmapData(NULL, tkCursorPtr->mask, NULL,
+		&maskWidth, &maskHeight, &dummy1, &dummy2);
+	if (data == NULL) {
+	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		    "error reading bitmap mask data for \"%s\"", argv[0]));
+	    Tcl_SetErrorCode(interp, "TK", "CURSOR", "MASK_DATA", NULL);
+	    goto cleanup;
+	}
+
+	mask = XCreateBitmapFromData(display, drawable, data, maskWidth,
+		maskHeight);
+
+	ckfree(data);
+    } else {
+	if (TkReadBitmapFile(display, drawable, argv[1],
+		(unsigned int *) &maskWidth, (unsigned int *) &maskHeight,
+		&mask, &dummy1, &dummy2) != BitmapSuccess) {
+	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+		    "cleanup reading bitmap file \"%s\"", argv[1]));
+	    Tcl_SetErrorCode(interp, "TK", "CURSOR", "MASK_FILE", NULL);
+	    goto cleanup;
+	}
+    }
+
+    if ((maskWidth != width) || (maskHeight != height)) {
+	Tcl_SetObjResult(interp, Tcl_NewStringObj(
+		"source and mask bitmaps have different sizes", -1));
+	Tcl_SetErrorCode(interp, "TK", "CURSOR", "SIZE_MATCH", NULL);
+	goto cleanup;
+    }
+
+    cursor = XCreatePixmapCursor(display, source, mask,
+	    &fg, &bg, (unsigned) xHot, (unsigned) yHot);
+
+  cleanup:
+    if (source != None) {
+	Tk_FreePixmap(display, source);
+    }
+    if (mask != None) {
+	Tk_FreePixmap(display, mask);
+    }
+    return cursor;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkCreateCursorFromData --
+ *
+ *	Creates a cursor from the source and mask bits.
+ *
+ * Results:
+ *	Returns a new cursor, or NULL on errors.
+ *
+ * Side effects:
+ *	Allocates a new cursor.
+ *
+ *----------------------------------------------------------------------
+ */
+
+TkCursor *
+TkCreateCursorFromData(
+    Tk_Window tkwin,		/* Window in which cursor will be used. */
+    const char *source,		/* Bitmap data for cursor shape. */
+    const char *mask,		/* Bitmap data for cursor mask. */
+    int width, int height,	/* Dimensions of cursor. */
+    int xHot, int yHot,		/* Location of hot-spot in cursor. */
+    XColor fgColor,		/* Foreground color for cursor. */
+    XColor bgColor)		/* Background color for cursor. */
+{
+    Cursor cursor;
+    Pixmap sourcePixmap, maskPixmap;
+    TkUnixCursor *cursorPtr = NULL;
+    Display *display = Tk_Display(tkwin);
+
+    sourcePixmap = XCreateBitmapFromData(display,
+	    RootWindowOfScreen(Tk_Screen(tkwin)), source, (unsigned) width,
+	    (unsigned) height);
+    maskPixmap = XCreateBitmapFromData(display,
+	    RootWindowOfScreen(Tk_Screen(tkwin)), mask, (unsigned) width,
+	    (unsigned) height);
+    cursor = XCreatePixmapCursor(display, sourcePixmap,
+	    maskPixmap, &fgColor, &bgColor, (unsigned) xHot, (unsigned) yHot);
+    Tk_FreePixmap(display, sourcePixmap);
+    Tk_FreePixmap(display, maskPixmap);
+
+    if (cursor != None) {
+	cursorPtr = ckalloc(sizeof(TkUnixCursor));
+	cursorPtr->info.cursor = (Tk_Cursor) cursor;
+	cursorPtr->display = display;
+    }
+    return (TkCursor *) cursorPtr;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkpFreeCursor --
+ *
+ *	This function is called to release a cursor allocated by
+ *	TkGetCursorByName.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	The cursor data structure is deallocated.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkpFreeCursor(
+    TkCursor *cursorPtr)
+{
+    TkUnixCursor *unixCursorPtr = (TkUnixCursor *) cursorPtr;
+
+    XFreeCursor(unixCursorPtr->display, (Cursor) unixCursorPtr->info.cursor);
+}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */