source: trunk/src/gui/kernel/qcursor_mac.mm@ 452

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**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information ([email protected])
**
** This file is part of the QtGui module of the Qt Toolkit.
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** accordance with the Qt Commercial License Agreement provided with the
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** 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
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#include <private/qcursor_p.h>
#include <private/qpixmap_mac_p.h>
#include <qapplication.h>
#include <qbitmap.h>
#include <qcursor.h>
#include <qevent.h>
#include <string.h>
#include <unistd.h>
#include <AppKit/NSCursor.h>
#include <qpainter.h>
#include <private/qt_cocoa_helpers_mac_p.h>

QT_BEGIN_NAMESPACE

/*****************************************************************************
  Externals
 *****************************************************************************/
extern QCursorData *qt_cursorTable[Qt::LastCursor + 1];
extern OSWindowRef qt_mac_window_for(const QWidget *); //qwidget_mac.cpp
extern GrafPtr qt_mac_qd_context(const QPaintDevice *); //qpaintdevice_mac.cpp
extern bool qt_sendSpontaneousEvent(QObject *, QEvent *); //qapplication_mac.cpp

/*****************************************************************************
  Internal QCursorData class
 *****************************************************************************/

class QMacAnimateCursor : public QObject
{
    int timerId, step;
    ThemeCursor curs;
public:
    QMacAnimateCursor() : QObject(), timerId(-1) { }
    void start(ThemeCursor c) {
        step = 1;
        if(timerId != -1)
            killTimer(timerId);
        timerId = startTimer(300);
        curs = c;
    }
    void stop() {
        if(timerId != -1) {
            killTimer(timerId);
            timerId = -1;
        }
    }
protected:
    void timerEvent(QTimerEvent *e) {
        if(e->timerId() == timerId) {
            /*
            if(SetAnimatedThemeCursor(curs, step++) == themeBadCursorIndexErr)
                stop();
            */
        }
    }
};

static QCursorData *currentCursor = 0; //current cursor
void qt_mac_set_cursor(const QCursor *c, const QPoint &)
{
    if (!c) {
        currentCursor = 0;
        return;
    }
    c->handle(); //force the cursor to get loaded, if it's not

    if(1 || currentCursor != c->d) {
        if(currentCursor && currentCursor->type == QCursorData::TYPE_ThemeCursor
                && currentCursor->curs.tc.anim)
            currentCursor->curs.tc.anim->stop();
        QMacCocoaAutoReleasePool pool;
        if(c->d->type == QCursorData::TYPE_ImageCursor) {
            [static_cast<NSCursor *>(c->d->curs.cp.nscursor) set];
        } else if(c->d->type == QCursorData::TYPE_ThemeCursor) {
#ifdef QT_MAC_USE_COCOA
            if (c->d->curs.cp.nscursor == 0)
                [[NSCursor arrowCursor] set];
            [static_cast<NSCursor *>(c->d->curs.cp.nscursor) set];
#else
            if(SetAnimatedThemeCursor(c->d->curs.tc.curs, 0) == themeBadCursorIndexErr) {
                SetThemeCursor(c->d->curs.tc.curs);
            } else {
                if(!c->d->curs.tc.anim)
                    c->d->curs.tc.anim = new QMacAnimateCursor;
                c->d->curs.tc.anim->start(c->d->curs.tc.curs);
            }
#endif
        }
    }
    currentCursor = c->d;
}

void qt_mac_update_cursor_at_global_pos(const QPoint &globalPos)
{
    QCursor cursor(Qt::ArrowCursor);
    if (QApplication::overrideCursor()) {
        cursor = *QApplication::overrideCursor();
    } else {
        for(QWidget *w = QApplication::widgetAt(globalPos); w; w = w->parentWidget()) {
            if(w->testAttribute(Qt::WA_SetCursor)) {
                cursor = w->cursor();
                break;
            }
        }
    }
    qt_mac_set_cursor(&cursor, globalPos);
}

void qt_mac_update_cursor()