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      1 /*
      2  * Copyright (C) 2006 Dirk Mueller <mueller (at) kde.org>
      3  * Copyright (C) 2006 George Staikos <staikos (at) kde.org>
      4  * Copyright (C) 2006 Charles Samuels <charles (at) kde.org>
      5  * Copyright (C) 2008, 2009 Holger Hans Peter Freyther
      6  * Copyright (C) 2010 University of Szeged
      7  *
      8  * All rights reserved.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     20  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     27  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "config.h"
     33 #include "Cursor.h"
     34 
     35 #include "Image.h"
     36 #include "IntPoint.h"
     37 
     38 #include "NotImplemented.h"
     39 
     40 #include <stdio.h>
     41 #include <stdlib.h>
     42 
     43 #undef CopyCursor
     44 
     45 namespace WebCore {
     46 
     47 Cursor::Cursor(const Cursor& other)
     48     : m_type(other.m_type)
     49     , m_image(other.m_image)
     50     , m_hotSpot(other.m_hotSpot)
     51 #ifndef QT_NO_CURSOR
     52     , m_platformCursor(other.m_platformCursor ? new QCursor(*other.m_platformCursor)  : 0)
     53 #endif
     54 {
     55 }
     56 
     57 Cursor::~Cursor()
     58 {
     59 #ifndef QT_NO_CURSOR
     60     delete m_platformCursor;
     61 #endif
     62 }
     63 
     64 Cursor& Cursor::operator=(const Cursor& other)
     65 {
     66     m_type = other.m_type;
     67     m_image = other.m_image;
     68     m_hotSpot = other.m_hotSpot;
     69 #ifndef QT_NO_CURSOR
     70     m_platformCursor = other.m_platformCursor ? new QCursor(*other.m_platformCursor)  : 0;
     71 #endif
     72     return *this;
     73 }
     74 
     75 #ifndef QT_NO_CURSOR
     76 static QCursor* createCustomCursor(Image* image, const IntPoint& hotSpot)
     77 {
     78     IntPoint effectiveHotSpot = determineHotSpot(image, hotSpot);
     79     return new QCursor(*(image->nativeImageForCurrentFrame()), effectiveHotSpot.x(), effectiveHotSpot.y());
     80 }
     81 #endif
     82 
     83 void Cursor::ensurePlatformCursor() const
     84 {
     85 #ifndef QT_NO_CURSOR
     86     if (m_platformCursor)
     87         return;
     88 
     89     switch (m_type) {
     90     case Pointer:
     91         m_platformCursor = new QCursor(Qt::ArrowCursor);
     92         break;
     93     case Cross:
     94         m_platformCursor = new QCursor(Qt::CrossCursor);
     95         break;
     96     case Hand:
     97         m_platformCursor = new QCursor(Qt::PointingHandCursor);
     98         break;
     99     case IBeam:
    100         m_platformCursor = new QCursor(Qt::IBeamCursor);
    101         break;
    102     case Wait:
    103         m_platformCursor = new QCursor(Qt::WaitCursor);
    104         break;
    105     case Help:
    106         m_platformCursor = new QCursor(Qt::WhatsThisCursor);
    107         break;
    108     case EastResize:
    109     case EastPanning:
    110         m_platformCursor = new QCursor(Qt::SizeHorCursor);
    111         break;
    112     case NorthResize:
    113     case NorthPanning:
    114         m_platformCursor = new QCursor(Qt::SizeVerCursor);
    115         break;
    116     case NorthEastResize:
    117     case NorthEastPanning:
    118         m_platformCursor = new QCursor(Qt::SizeBDiagCursor);
    119         break;
    120     case NorthWestResize:
    121     case NorthWestPanning:
    122         m_platformCursor = new QCursor(Qt::SizeFDiagCursor);
    123         break;
    124     case SouthResize:
    125     case SouthPanning:
    126         m_platformCursor = new QCursor(Qt::SizeVerCursor);
    127         break;
    128     case SouthEastResize:
    129     case SouthEastPanning:
    130         m_platformCursor = new QCursor(Qt::SizeFDiagCursor);
    131         break;
    132     case SouthWestResize:
    133     case SouthWestPanning:
    134         m_platformCursor = new QCursor(Qt::SizeBDiagCursor);
    135         break;
    136     case WestResize:
    137     case WestPanning:
    138         m_platformCursor = new QCursor(Qt::SizeHorCursor);
    139         break;
    140     case NorthSouthResize:
    141         m_platformCursor = new QCursor(Qt::SizeVerCursor);
    142         break;
    143     case EastWestResize:
    144         m_platformCursor = new QCursor(Qt::SizeHorCursor);
    145         break;
    146     case NorthEastSouthWestResize:
    147         m_platformCursor = new QCursor(Qt::SizeBDiagCursor);
    148         break;
    149     case NorthWestSouthEastResize:
    150         m_platformCursor = new QCursor(Qt::SizeFDiagCursor);
    151         break;
    152     case ColumnResize:
    153         m_platformCursor = new QCursor(Qt::SplitHCursor);
    154         break;
    155     case RowResize:
    156         m_platformCursor = new QCursor(Qt::SplitVCursor);
    157         break;
    158     case MiddlePanning:
    159     case Move:
    160         m_platformCursor = new QCursor(Qt::SizeAllCursor);
    161         break;
    162     case None:
    163         m_platformCursor = new QCursor(Qt::BlankCursor);
    164         break;
    165     case NoDrop:
    166     case NotAllowed:
    167         m_platformCursor = new QCursor(Qt::ForbiddenCursor);
    168         break;
    169     case Grab:
    170     case Grabbing:
    171         notImplemented();
    172         m_platformCursor = new QCursor(Qt::ArrowCursor);
    173         break;
    174     case VerticalText:
    175         m_platformCursor = new QCursor(QPixmap(QLatin1String(":/webkit/resources/verticalTextCursor.png")), 7, 7);
    176         break;
    177     case Cell:
    178         m_platformCursor = new QCursor(QPixmap(QLatin1String(":/webkit/resources/cellCursor.png")), 7, 7);
    179         break;
    180     case ContextMenu:
    181         m_platformCursor = new QCursor(QPixmap(QLatin1String(":/webkit/resources/contextMenuCursor.png")), 3, 2);
    182         break;
    183     case Alias:
    184         m_platformCursor = new QCursor(QPixmap(QLatin1String(":/webkit/resources/aliasCursor.png")), 11, 3);
    185         break;
    186     case Progress:
    187         m_platformCursor = new QCursor(QPixmap(QLatin1String(":/webkit/resources/progressCursor.png")), 3, 2);
    188         break;
    189     case Copy:
    190         m_platformCursor = new QCursor(QPixmap(QLatin1String(":/webkit/resources/copyCursor.png")), 3, 2);
    191         break;
    192     case ZoomIn:
    193         m_platformCursor = new QCursor(QPixmap(QLatin1String(":/webkit/resources/zoomInCursor.png")), 7, 7);
    194         break;
    195     case ZoomOut:
    196         m_platformCursor = new QCursor(QPixmap(QLatin1String(":/webkit/resources/zoomOutCursor.png")), 7, 7);
    197         break;
    198     case Custom:
    199         m_platformCursor = createCustomCursor(m_image.get(), m_hotSpot);
    200         break;
    201     default:
    202         ASSERT_NOT_REACHED();
    203     }
    204 #endif
    205 }
    206 
    207 }
    208 
    209 // vim: ts=4 sw=4 et
    210