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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

//! [0]
twoSidedEnabledRadio = new QRadioButton(tr("Enabled", "two-sided"));
twoSidedDisabledRadio = new QRadioButton(tr("Disabled", "two-sided"));
//! [0]


//! [1]
colorsEnabledRadio = new QRadioButton(tr("Enabled", "colors"), colors);
colorsDisabledRadio = new QRadioButton(tr("Disabled", "colors"), colors);
//! [1]


//! [2]
/*
   TRANSLATOR MainWindow

   In this application the whole application is a MainWindow.
   Choose Help|About from the menu bar to see some text
   belonging to MainWindow.

   ...
//! [2]


//! [3]
/*
   TRANSLATOR ZClientErrorDialog

   Choose Client|Edit to reach the Client Edit dialog, then choose
   Client Specification from the drop down list at the top and pick
   client Bartel Leendert van der Waerden. Now check the Profile
   checkbox and then click the Start Processing button. You should
   now see a pop up window with the text "Error: Name too long!".
   This window is a ZClientErrorDialog.
//! [3]
'>bug_8c4216dca9 Tk is a free and open-source, cross-platform widget toolkit that provides a library of basic elements of GUI widgets for building a graphical user interface (GUI) in many programming languages.
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/* 
 * tkCursor.c --
 *
 *	This file maintains a database of read-only cursors for the Tk
 *	toolkit.  This allows cursors to be shared between widgets and
 *	also avoids round-trips to the X server.
 *
 * Copyright (c) 1990-1994 The Regents of the University of California.
 * Copyright (c) 1994-1997 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 "tkPort.h"
#include "tkInt.h"

/*
 * A TkCursor structure exists for each cursor that is currently
 * active.  Each structure is indexed with two hash tables defined
 * below.  One of the tables is cursorIdTable, and the other is either
 * cursorNameTable or cursorDataTable, each of which are stored in the
 * TkDisplay structure for the current thread.
 */

typedef struct {
    CONST char *source;		/* Cursor bits. */
    CONST char *mask;		/* Mask bits. */
    int width, height;		/* Dimensions of cursor (and data
				 * and mask). */
    int xHot, yHot;		/* Location of cursor hot-spot. */
    Tk_Uid fg, bg;		/* Colors for cursor. */
    Display *display;		/* Display on which cursor will be used. */
} DataKey;

/*
 * Forward declarations for procedures defined in this file:
 */

static void		CursorInit _ANSI_ARGS_((TkDisplay *dispPtr));
static void		DupCursorObjProc _ANSI_ARGS_((Tcl_Obj *srcObjPtr,
			    Tcl_Obj *dupObjPtr));
static void		FreeCursor _ANSI_ARGS_((TkCursor *cursorPtr));
static void		FreeCursorObjProc _ANSI_ARGS_((Tcl_Obj *objPtr));
static TkCursor *	TkcGetCursor _ANSI_ARGS_((Tcl_Interp *interp,
			    Tk_Window tkwin, CONST char *name));
static TkCursor *	GetCursorFromObj _ANSI_ARGS_((Tk_Window tkwin,
			    Tcl_Obj *objPtr));
static void		InitCursorObj _ANSI_ARGS_((Tcl_Obj *objPtr));

/*
 * The following structure defines the implementation of the "cursor" Tcl
 * object, used for drawing. The color object remembers the hash table
 * entry associated with a color. The actual allocation and deallocation
 * of the color should be done by the configuration package when the cursor
 * option is set.
 */

Tcl_ObjType tkCursorObjType = {
    "cursor",			/* name */
    FreeCursorObjProc,		/* freeIntRepProc */
    DupCursorObjProc,		/* dupIntRepProc */
    NULL,			/* updateStringProc */
    NULL			/* setFromAnyProc */
};

/*
 *----------------------------------------------------------------------
 *
 * Tk_AllocCursorFromObj --
 *
 *	Given a Tcl_Obj *, map the value to a corresponding
 *	Tk_Cursor structure based on the tkwin given.
 *
 * Results:
 *	The return value is the X identifer for the desired cursor,
 *	unless objPtr couldn't be parsed correctly.  In this case,
 *	None is returned and an error message is left in the interp's result.
 *	The caller should never modify the cursor that is returned, and
 *	should eventually call Tk_FreeCursorFromObj when the cursor is no 
 *	longer needed.
 *
 * Side effects:
 *	The cursor is added to an internal database with a reference count.
 *	For each call to this procedure, there should eventually be a call
 *	to Tk_FreeCursorFromObj, so that the database can be cleaned up 
 *	when cursors aren't needed anymore.
 *
 *----------------------------------------------------------------------
 */

Tk_Cursor
Tk_AllocCursorFromObj(interp, tkwin, objPtr)
    Tcl_Interp *interp;		/* Interp for error results. */
    Tk_Window tkwin;		/* Window in which the cursor will be used.*/
    Tcl_Obj *objPtr;		/* Object describing cursor; see manual
				 * entry for description of legal
				 * syntax of this obj's string rep. */
{
    TkCursor *cursorPtr;

    if (objPtr->typePtr != &tkCursorObjType) {
	InitCursorObj(objPtr);
    }
    cursorPtr = (TkCursor *) objPtr->internalRep.twoPtrValue.ptr1;

    /*
     * If the object currently points to a TkCursor, see if it's the
     * one we want.  If so, increment its reference count and return.
     */

    if (cursorPtr != NULL) {
	if (cursorPtr->resourceRefCount == 0) {
	    /*
	     * This is a stale reference: it refers to a TkCursor that's
	     * no longer in use.  Clear the reference.
	     */
	    FreeCursorObjProc(objPtr);
	    cursorPtr = NULL;
	} else if (Tk_Display(tkwin) == cursorPtr->display) {
	    cursorPtr->resourceRefCount++;
	    return cursorPtr->cursor;
	}
    }

    /*
     * The object didn't point to the TkCursor that we wanted.  Search
     * the list of TkCursors with the same name to see if one of the
     * other TkCursors is the right one.
     */

    if (cursorPtr != NULL) {
	TkCursor *firstCursorPtr =
		(TkCursor *) Tcl_GetHashValue(cursorPtr->hashPtr);
	FreeCursorObjProc(objPtr);
	for (cursorPtr = firstCursorPtr;  cursorPtr != NULL;
		cursorPtr = cursorPtr->nextPtr) {
	    if (Tk_Display(tkwin) == cursorPtr->display) {
		cursorPtr->resourceRefCount++;
		cursorPtr->objRefCount++;
		objPtr->internalRep.twoPtrValue.ptr1 = (VOID *) cursorPtr;
		return cursorPtr->cursor;
	    }
	}
    }

    /*
     * Still no luck.  Call TkcGetCursor to allocate a new TkCursor object.
     */

    cursorPtr = TkcGetCursor(interp, tkwin, Tcl_GetString(objPtr));
    objPtr->internalRep.twoPtrValue.ptr1 = (VOID *) cursorPtr;
    if (cursorPtr == NULL) {
	return None;
    } else {
	cursorPtr->objRefCount++;
	return cursorPtr->cursor;
    }
}

/*
 *----------------------------------------------------------------------
 *
 * Tk_GetCursor --
 *
 *	Given a string describing a cursor, locate (or create if necessary)
 *	a cursor that fits the description.
 *
 * Results:
 *	The return value is the X identifer for the desired cursor,
 *	unless string couldn't be parsed correctly.  In this case,
 *	None is returned and an error message is left in the interp's result.
 *	The caller should never modify the cursor that is returned, and
 *	should eventually call Tk_FreeCursor when the cursor is no longer
 *	needed.
 *
 * Side effects:
 *	The cursor is added to an internal database with a reference count.
 *	For each call to this procedure, there should eventually be a call
 *	to Tk_FreeCursor, so that the database can be cleaned up when cursors
 *	aren't needed anymore.
 *
 *----------------------------------------------------------------------
 */

Tk_Cursor
Tk_GetCursor(interp, tkwin, string)
    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. */
{
    TkCursor *cursorPtr = TkcGetCursor(interp, tkwin, string);
    if (cursorPtr == NULL) {
	return None;
    }
    return cursorPtr->cursor;
}

/*
 *----------------------------------------------------------------------
 *
 * TkcGetCursor --
 *
 *	Given a string describing a cursor, locate (or create if necessary)
 *	a cursor that fits the description. This routine returns the
 *	internal data structure for the cursor, which avoids extra
 *	hash table lookups in Tk_AllocCursorFromObj.
 *
 * Results:
 *	The return value is a pointer to the TkCursor for the desired
 *	cursor, unless string couldn't be parsed correctly.  In this
 *	case, NULL is returned and an error message is left in the
 *	interp's result. The caller should never modify the cursor that