source: trunk/src/gui/kernel/qcocoaview_mac.mm@ 711

/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([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
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
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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
** ensure the GNU Lesser General Public License version 2.1 requirements
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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#import <private/qcocoaview_mac_p.h>
#ifdef QT_MAC_USE_COCOA

#include <private/qwidget_p.h>
#include <private/qt_mac_p.h>
#include <private/qapplication_p.h>
#include <private/qabstractscrollarea_p.h>
#include <private/qt_cocoa_helpers_mac_p.h>
#include <private/qdnd_p.h>
#include <private/qmacinputcontext_p.h>
#include <private/qmultitouch_mac_p.h>
#include <private/qevent_p.h>
#include <private/qbackingstore_p.h>

#include <qscrollarea.h>
#include <qhash.h>
#include <qtextformat.h>
#include <qpaintengine.h>
#include <QUrl>
#include <QAccessible>
#include <QFileInfo>
#include <QFile>

#include <qdebug.h>

@interface NSEvent (Qt_Compile_Leopard_DeviceDelta)
  - (CGFloat)deviceDeltaX;
  - (CGFloat)deviceDeltaY;
  - (CGFloat)deviceDeltaZ;
@end

@interface NSEvent (Qt_Compile_Leopard_Gestures)
  - (CGFloat)magnification;
@end

QT_BEGIN_NAMESPACE

Q_GLOBAL_STATIC(DnDParams, qMacDnDParams);

extern void qt_mac_update_cursor_at_global_pos(const QPoint &globalPos); // qcursor_mac.mm
extern bool qt_sendSpontaneousEvent(QObject *, QEvent *); // qapplication.cpp
extern OSViewRef qt_mac_nativeview_for(const QWidget *w); // qwidget_mac.mm
extern const QStringList& qEnabledDraggedTypes(); // qmime_mac.cpp
extern QPointer<QWidget> qt_mouseover; //qapplication_mac.mm
extern QPointer<QWidget> qt_button_down; //qapplication_mac.cpp

Qt::MouseButton cocoaButton2QtButton(NSInteger buttonNum)
{
    if (buttonNum == 0)
        return Qt::LeftButton;
    if (buttonNum == 1)
        return Qt::RightButton;
    if (buttonNum == 2)
        return Qt::MidButton;
    if (buttonNum == 3)
        return Qt::XButton1;
    if (buttonNum == 4)
        return Qt::XButton2;
    return Qt::NoButton;
}

struct dndenum_mapper
{
    NSDragOperation mac_code;
    Qt::DropAction qt_code;
    bool Qt2Mac;
};

static dndenum_mapper dnd_enums[] = {
    { NSDragOperationLink,  Qt::LinkAction, true },
    { NSDragOperationMove,  Qt::MoveAction, true },
    { NSDragOperationCopy,  Qt::CopyAction, true },
    { NSDragOperationGeneric,  Qt::CopyAction, false },
    { NSDragOperationEvery, Qt::ActionMask, false },
    { NSDragOperationNone, Qt::IgnoreAction, false }
};

static NSDragOperation qt_mac_mapDropAction(Qt::DropAction action)
{
    for (int i=0; dnd_enums[i].qt_code; i++) {
        if (dnd_enums[i].Qt2Mac && (action & dnd_enums[i].qt_code)) {
            return dnd_enums[i].mac_code;
        }
    }
    return NSDragOperationNone;
}

static NSDragOperation qt_mac_mapDropActions(Qt::DropActions actions)
{
    NSDragOperation nsActions = NSDragOperationNone;
    for (int i=0; dnd_enums[i].qt_code; i++) {
        if (dnd_enums[i].Qt2Mac && (actions & dnd_enums[i].qt_code))
            nsActions |= dnd_enums[i].mac_code;
    }
    return nsActions;
}

static Qt::DropAction qt_mac_mapNSDragOperation(NSDragOperation nsActions)
{
    Qt::DropAction action = Qt::IgnoreAction;
    for (int i=0; dnd_enums[i].mac_code; i++) {
        if (nsActions & dnd_enums[i].mac_code)
            return dnd_enums[i].qt_code;
    }
    return action;
}

static Qt::DropActions qt_mac_mapNSDragOperations(NSDragOperation nsActions)
{
    Qt::DropActions actions = Qt::IgnoreAction;
    for (int i=0; dnd_enums[i].mac_code; i++) {
        if (nsActions & dnd_enums[i].mac_code)
            actions |= dnd_enums[i].qt_code;
    }
    return actions;
}

static QColor colorFrom(NSColor *color)
{
    QColor qtColor;
    NSString *colorSpace = [color colorSpaceName];
    if (colorSpace == NSDeviceCMYKColorSpace) {
        CGFloat cyan, magenta, yellow, black, alpha;
        [color getCyan:&cyan magenta:&magenta yellow:&yellow black:&black alpha:&alpha];
        qtColor.setCmykF(cyan, magenta, yellow, black, alpha);
    } else {
        NSColor *tmpColor;
        tmpColor = [color colorUsingColorSpaceName:NSDeviceRGBColorSpace];
        CGFloat red, green, blue, alpha;
        [tmpColor getRed:&red green:&green blue:&blue alpha:&alpha];
        qtColor.setRgbF(red, green, blue, alpha);
    }
    return qtColor;
}

QT_END_NAMESPACE

QT_FORWARD_DECLARE_CLASS(QMacCocoaAutoReleasePool)
QT_FORWARD_DECLARE_CLASS(QCFString)
QT_FORWARD_DECLARE_CLASS(QDragManager)
QT_FORWARD_DECLARE_CLASS(QMimeData)