| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
| Fri, 14 May 2010 16:40:13 +0300 | |
| changeset 22 | 79de32ba3296 |
| parent 18 | 2f34d5167611 |
| child 30 | 5dc02b23752f |
| permissions | -rw-r--r-- |
| 0 | 1 |
/**************************************************************************** |
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** |
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2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (qt-info@nokia.com) |
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** |
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** This file is part of the QtGui module of the Qt Toolkit. |
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** |
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** $QT_BEGIN_LICENSE:LGPL$ |
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** No Commercial Usage |
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** This file contains pre-release code and may not be distributed. |
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** You may use this file in accordance with the terms and conditions |
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** contained in the Technology Preview License Agreement accompanying |
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** this package. |
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** |
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** GNU Lesser General Public License Usage |
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** Alternatively, this file may be used under the terms of the GNU Lesser |
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** General Public License version 2.1 as published by the Free Software |
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** Foundation and appearing in the file LICENSE.LGPL included in the |
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** packaging of this file. Please review the following information to |
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** ensure the GNU Lesser General Public License version 2.1 requirements |
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at qt-info@nokia.com. |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** |
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** $QT_END_LICENSE$ |
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** |
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****************************************************************************/ |
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||
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#include "qplatformdefs.h" |
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||
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#include "qbitmap.h" |
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#include "qdrag.h" |
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#include "qpixmap.h" |
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#include "qevent.h" |
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#include "qfile.h" |
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#include "qtextcodec.h" |
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#include "qapplication.h" |
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#include "qpoint.h" |
|
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#include "qwidget.h" |
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#include "qbuffer.h" |
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#include "qimage.h" |
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#include "qregexp.h" |
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#include "qdir.h" |
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#include "qdnd_p.h" |
|
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#include "qimagereader.h" |
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#include "qimagewriter.h" |
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#include "qdebug.h" |
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#include <ctype.h> |
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||
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#ifndef QT_NO_DRAGANDDROP |
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||
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QT_BEGIN_NAMESPACE |
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||
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// These pixmaps approximate the images in the Windows User Interface Guidelines. |
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||
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// XPM |
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||
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static const char * const move_xpm[] = {
|
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"11 20 3 1", |
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". c None", |
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#if defined(Q_WS_WIN) |
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"a c #000000", |
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"X c #FFFFFF", // Windows cursor is traditionally white |
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#else |
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"a c #FFFFFF", |
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"X c #000000", // X11 cursor is traditionally black |
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#endif |
|
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"aa.........", |
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"aXa........", |
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"aXXa.......", |
|
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"aXXXa......", |
|
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"aXXXXa.....", |
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"aXXXXXa....", |
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"aXXXXXXa...", |
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"aXXXXXXXa..", |
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"aXXXXXXXXa.", |
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"aXXXXXXXXXa", |
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"aXXXXXXaaaa", |
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"aXXXaXXa...", |
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"aXXaaXXa...", |
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"aXa..aXXa..", |
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"aa...aXXa..", |
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"a.....aXXa.", |
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"......aXXa.", |
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".......aXXa", |
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".......aXXa", |
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"........aa."}; |
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||
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#ifdef Q_WS_WIN |
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/* XPM */ |
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static const char * const ignore_xpm[] = {
|
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"24 30 3 1", |
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". c None", |
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"a c #000000", |
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"X c #FFFFFF", |
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"aa......................", |
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"aXa.....................", |
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"aXXa....................", |
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"aXXXa...................", |
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"aXXXXa..................", |
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"aXXXXXa.................", |
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"aXXXXXXa................", |
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"aXXXXXXXa...............", |
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"aXXXXXXXXa..............", |
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"aXXXXXXXXXa.............", |
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"aXXXXXXaaaa.............", |
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"aXXXaXXa................", |
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"aXXaaXXa................", |
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"aXa..aXXa...............", |
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"aa...aXXa...............", |
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"a.....aXXa..............", |
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"......aXXa.....XXXX.....", |
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".......aXXa..XXaaaaXX...", |
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".......aXXa.XaaaaaaaaX..", |
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"........aa.XaaaXXXXaaaX.", |
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"...........XaaaaX..XaaX.", |
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"..........XaaXaaaX..XaaX", |
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"..........XaaXXaaaX.XaaX", |
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"..........XaaX.XaaaXXaaX", |
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"..........XaaX..XaaaXaaX", |
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"...........XaaX..XaaaaX.", |
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"...........XaaaXXXXaaaX.", |
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"............XaaaaaaaaX..", |
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".............XXaaaaXX...", |
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"...............XXXX....."}; |
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#endif |
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||
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/* XPM */ |
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static const char * const copy_xpm[] = {
|
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"24 30 3 1", |
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". c None", |
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"a c #000000", |
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"X c #FFFFFF", |
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#if defined(Q_WS_WIN) // Windows cursor is traditionally white |
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"aa......................", |
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"aXa.....................", |
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"aXXa....................", |
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"aXXXa...................", |
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"aXXXXa..................", |
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"aXXXXXa.................", |
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"aXXXXXXa................", |
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"aXXXXXXXa...............", |
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"aXXXXXXXXa..............", |
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"aXXXXXXXXXa.............", |
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"aXXXXXXaaaa.............", |
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"aXXXaXXa................", |
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"aXXaaXXa................", |
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"aXa..aXXa...............", |
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"aa...aXXa...............", |
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"a.....aXXa..............", |
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"......aXXa..............", |
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".......aXXa.............", |
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".......aXXa.............", |
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"........aa...aaaaaaaaaaa", |
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#else |
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"XX......................", |
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"XaX.....................", |
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"XaaX....................", |
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"XaaaX...................", |
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"XaaaaX..................", |
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"XaaaaaX.................", |
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"XaaaaaaX................", |
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"XaaaaaaaX...............", |
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"XaaaaaaaaX..............", |
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"XaaaaaaaaaX.............", |
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"XaaaaaaXXXX.............", |
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"XaaaXaaX................", |
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"XaaXXaaX................", |
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"XaX..XaaX...............", |
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"XX...XaaX...............", |
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"X.....XaaX..............", |
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"......XaaX..............", |
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".......XaaX.............", |
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".......XaaX.............", |
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"........XX...aaaaaaaaaaa", |
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#endif |
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".............aXXXXXXXXXa", |
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".............aXXXXXXXXXa", |
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".............aXXXXaXXXXa", |
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".............aXXXXaXXXXa", |
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".............aXXaaaaaXXa", |
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".............aXXXXaXXXXa", |
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".............aXXXXaXXXXa", |
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".............aXXXXXXXXXa", |
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".............aXXXXXXXXXa", |
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".............aaaaaaaaaaa"}; |
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/* XPM */ |
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static const char * const link_xpm[] = {
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"24 30 3 1", |
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". c None", |
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"a c #000000", |
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"X c #FFFFFF", |
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#if defined(Q_WS_WIN) // Windows cursor is traditionally white |
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"aa......................", |
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"aXa.....................", |
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"aXXa....................", |
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"aXXXa...................", |
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"aXXXXa..................", |
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"aXXXXXa.................", |
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"aXXXXXXa................", |
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"aXXXXXXXa...............", |
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"aXXXXXXXXa..............", |
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"aXXXXXXXXXa.............", |
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"aXXXXXXaaaa.............", |
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"aXXXaXXa................", |
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"aXXaaXXa................", |
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"aXa..aXXa...............", |
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"aa...aXXa...............", |
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"a.....aXXa..............", |
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"......aXXa..............", |
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".......aXXa.............", |
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".......aXXa.............", |
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"........aa...aaaaaaaaaaa", |
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#else |
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"XX......................", |
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"XaX.....................", |
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"XaaX....................", |
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"XaaaX...................", |
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"XaaaaX..................", |
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"XaaaaaX.................", |
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"XaaaaaaX................", |
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"XaaaaaaaX...............", |
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"XaaaaaaaaX..............", |
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"XaaaaaaaaaX.............", |
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"XaaaaaaXXXX.............", |
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"XaaaXaaX................", |
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"XaaXXaaX................", |
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"XaX..XaaX...............", |
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"XX...XaaX...............", |
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"X.....XaaX..............", |
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"......XaaX..............", |
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".......XaaX.............", |
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".......XaaX.............", |
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"........XX...aaaaaaaaaaa", |
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#endif |
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".............aXXXXXXXXXa", |
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".............aXXXaaaaXXa", |
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".............aXXXXaaaXXa", |
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".............aXXXaaaaXXa", |
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".............aXXaaaXaXXa", |
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".............aXXaaXXXXXa", |
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".............aXXaXXXXXXa", |
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".............aXXXaXXXXXa", |
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".............aXXXXXXXXXa", |
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".............aaaaaaaaaaa"}; |
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#ifndef QT_NO_DRAGANDDROP |
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//#define QDND_DEBUG |
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#ifdef QDND_DEBUG |
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QString dragActionsToString(Qt::DropActions actions) |
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{
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QString str; |
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if (actions == Qt::IgnoreAction) {
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if (!str.isEmpty()) |
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str += " | "; |
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str += "IgnoreAction"; |
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} |
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if (actions & Qt::LinkAction) {
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if (!str.isEmpty()) |
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str += " | "; |
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str += "LinkAction"; |
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} |
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if (actions & Qt::CopyAction) {
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if (!str.isEmpty()) |
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str += " | "; |
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str += "CopyAction"; |
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} |
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if (actions & Qt::MoveAction) {
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if (!str.isEmpty()) |
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str += " | "; |
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str += "MoveAction"; |
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} |
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if ((actions & Qt::TargetMoveAction) == Qt::TargetMoveAction ) {
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if (!str.isEmpty()) |
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str += " | "; |
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str += "TargetMoveAction"; |
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} |
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return str; |
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} |
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QString KeyboardModifiersToString(Qt::KeyboardModifiers moderfies) |
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{
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QString str; |
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if (moderfies & Qt::ControlModifier) {
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if (!str.isEmpty()) |
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str += " | "; |
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str += Qt::ControlModifier; |
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} |
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if (moderfies & Qt::AltModifier) {
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if (!str.isEmpty()) |
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str += " | "; |
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str += Qt::AltModifier; |
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} |
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if (moderfies & Qt::ShiftModifier) {
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if (!str.isEmpty()) |
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str += " | "; |
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str += Qt::ShiftModifier; |
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} |
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return str; |
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} |
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#endif |
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||
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// the universe's only drag manager |
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QDragManager *QDragManager::instance = 0; |
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QDragManager::QDragManager() |
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: QObject(qApp) |
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{
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Q_ASSERT(!instance); |
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#ifdef Q_WS_WIN |
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n_cursor = 4; |
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#else |
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n_cursor = 3; |
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#endif |
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||
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#ifdef Q_WS_QWS |
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currentActionForOverrideCursor = Qt::IgnoreAction; |
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#endif |
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pm_cursor = new QPixmap[n_cursor]; |
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pm_cursor[0] = QPixmap((const char **)move_xpm); |
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pm_cursor[1] = QPixmap((const char **)copy_xpm); |
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pm_cursor[2] = QPixmap((const char **)link_xpm); |
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#ifdef Q_WS_WIN |
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pm_cursor[3] = QPixmap((const char **)ignore_xpm); |
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#endif |
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object = 0; |
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beingCancelled = false; |
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restoreCursor = false; |
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willDrop = false; |
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eventLoop = 0; |
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dropData = new QDropData(); |
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currentDropTarget = 0; |
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#ifdef Q_WS_X11 |
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xdndMimeTransferedPixmapIndex = 0; |
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#endif |
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} |
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||
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||
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QDragManager::~QDragManager() |
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{
|
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#ifndef QT_NO_CURSOR |
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if (restoreCursor) |
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QApplication::restoreOverrideCursor(); |
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#endif |
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instance = 0; |
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delete [] pm_cursor; |
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delete dropData; |
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} |
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368 |
||
369 |
QDragManager *QDragManager::self() |
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{
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if (!instance && !QApplication::closingDown()) |
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instance = new QDragManager; |
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return instance; |
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} |
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||
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QPixmap QDragManager::dragCursor(Qt::DropAction action) const |
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{
|
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QDragPrivate * d = dragPrivate(); |
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if (d && d->customCursors.contains(action)) |
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return d->customCursors[action]; |
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else if (action == Qt::MoveAction) |
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return pm_cursor[0]; |
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else if (action == Qt::CopyAction) |
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return pm_cursor[1]; |
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else if (action == Qt::LinkAction) |
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return pm_cursor[2]; |
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#ifdef Q_WS_WIN |
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else if (action == Qt::IgnoreAction) |
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return pm_cursor[3]; |
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#endif |
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return QPixmap(); |
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} |
|
393 |
||
394 |
bool QDragManager::hasCustomDragCursors() const |
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{
|
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396 |
QDragPrivate * d = dragPrivate(); |
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return d && !d->customCursors.isEmpty(); |
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398 |
} |
|
399 |
||
400 |
Qt::DropAction QDragManager::defaultAction(Qt::DropActions possibleActions, |
|
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Qt::KeyboardModifiers modifiers) const |
|
402 |
{
|
|
403 |
#ifdef QDND_DEBUG |
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qDebug("QDragManager::defaultAction(Qt::DropActions possibleActions)");
|
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405 |
qDebug("keyboard modifiers : %s", KeyboardModifiersToString(modifiers).latin1());
|
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406 |
#endif |
|
407 |
||
408 |
QDragPrivate *d = dragPrivate(); |
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409 |
Qt::DropAction defaultAction = d ? d->defaultDropAction : Qt::IgnoreAction; |
|
410 |
||
411 |
if (defaultAction == Qt::IgnoreAction) {
|
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412 |
//This means that the drag was initiated by QDrag::start and we need to |
|
413 |
//preserve the old behavior |
|
414 |
#ifdef Q_WS_MAC |
|
415 |
defaultAction = Qt::MoveAction; |
|
416 |
#else |
|
417 |
defaultAction = Qt::CopyAction; |
|
418 |
#endif |
|
419 |
} |
|
420 |
||
421 |
#ifdef Q_WS_MAC |
|
422 |
if (modifiers & Qt::ControlModifier && modifiers & Qt::AltModifier) |
|
423 |
defaultAction = Qt::LinkAction; |
|
424 |
else if (modifiers & Qt::AltModifier) |
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425 |
defaultAction = Qt::CopyAction; |
|
426 |
else if (modifiers & Qt::ControlModifier) |
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427 |
defaultAction = Qt::MoveAction; |
|
428 |
#else |
|
429 |
if (modifiers & Qt::ControlModifier && modifiers & Qt::ShiftModifier) |
|
430 |
defaultAction = Qt::LinkAction; |
|
431 |
else if (modifiers & Qt::ControlModifier) |
|
432 |
defaultAction = Qt::CopyAction; |
|
433 |
else if (modifiers & Qt::ShiftModifier) |
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434 |
defaultAction = Qt::MoveAction; |
|
435 |
else if (modifiers & Qt::AltModifier) |
|
436 |
defaultAction = Qt::LinkAction; |
|
437 |
#endif |
|
438 |
||
439 |
// if the object is set take the list of possibles from it |
|
440 |
if (object) |
|
441 |
possibleActions = object->d_func()->possible_actions; |
|
442 |
||
443 |
#ifdef QDND_DEBUG |
|
444 |
qDebug("possible actions : %s", dragActionsToString(possibleActions).latin1());
|
|
445 |
#endif |
|
446 |
||
447 |
// Check if the action determined is allowed |
|
448 |
if (!(possibleActions & defaultAction)) {
|
|
449 |
if (possibleActions & Qt::CopyAction) |
|
450 |
defaultAction = Qt::CopyAction; |
|
451 |
else if (possibleActions & Qt::MoveAction) |
|
452 |
defaultAction = Qt::MoveAction; |
|
453 |
else if (possibleActions & Qt::LinkAction) |
|
454 |
defaultAction = Qt::LinkAction; |
|
455 |
else |
|
456 |
defaultAction = Qt::IgnoreAction; |
|
457 |
} |
|
458 |
||
459 |
#ifdef QDND_DEBUG |
|
460 |
qDebug("default action : %s", dragActionsToString(defaultAction).latin1());
|
|
461 |
#endif |
|
462 |
||
463 |
return defaultAction; |
|
464 |
} |
|
465 |
||
466 |
void QDragManager::setCurrentTarget(QWidget *target, bool dropped) |
|
467 |
{
|
|
468 |
if (currentDropTarget == target) |
|
469 |
return; |
|
470 |
||
471 |
currentDropTarget = target; |
|
472 |
if (!dropped && object) {
|
|
473 |
object->d_func()->target = target; |
|
474 |
emit object->targetChanged(target); |
|
475 |
} |
|
476 |
||
477 |
} |
|
478 |
||
479 |
QWidget *QDragManager::currentTarget() |
|
480 |
{
|
|
481 |
return currentDropTarget; |
|
482 |
} |
|
483 |
||
484 |
#endif |
|
485 |
||
486 |
QDropData::QDropData() |
|
487 |
: QInternalMimeData() |
|
488 |
{
|
|
489 |
} |
|
490 |
||
491 |
QDropData::~QDropData() |
|
492 |
{
|
|
493 |
} |
|
494 |
#endif // QT_NO_DRAGANDDROP |
|
495 |
||
496 |
#if !(defined(QT_NO_DRAGANDDROP) && defined(QT_NO_CLIPBOARD)) |
|
497 |
||
498 |
static QStringList imageReadMimeFormats() |
|
499 |
{
|
|
500 |
QStringList formats; |
|
501 |
QList<QByteArray> imageFormats = QImageReader::supportedImageFormats(); |
|
502 |
for (int i = 0; i < imageFormats.size(); ++i) {
|
|
503 |
QString format = QLatin1String("image/");
|
|
504 |
format += QString::fromLatin1(imageFormats.at(i).toLower()); |
|
505 |
formats.append(format); |
|
506 |
} |
|
507 |
||
508 |
//put png at the front because it is best |
|
509 |
int pngIndex = formats.indexOf(QLatin1String("image/png"));
|
|
510 |
if (pngIndex != -1 && pngIndex != 0) |
|
511 |
formats.move(pngIndex, 0); |
|
512 |
||
513 |
return formats; |
|
514 |
} |
|
515 |
||
516 |
||
517 |
static QStringList imageWriteMimeFormats() |
|
518 |
{
|
|
519 |
QStringList formats; |
|
520 |
QList<QByteArray> imageFormats = QImageWriter::supportedImageFormats(); |
|
521 |
for (int i = 0; i < imageFormats.size(); ++i) {
|
|
522 |
QString format = QLatin1String("image/");
|
|
523 |
format += QString::fromLatin1(imageFormats.at(i).toLower()); |
|
524 |
formats.append(format); |
|
525 |
} |
|
526 |
||
527 |
//put png at the front because it is best |
|
528 |
int pngIndex = formats.indexOf(QLatin1String("image/png"));
|
|
529 |
if (pngIndex != -1 && pngIndex != 0) |
|
530 |
formats.move(pngIndex, 0); |
|
531 |
||
532 |
return formats; |
|
533 |
} |
|
534 |
||
535 |
QInternalMimeData::QInternalMimeData() |
|
536 |
: QMimeData() |
|
537 |
{
|
|
538 |
} |
|
539 |
||
540 |
QInternalMimeData::~QInternalMimeData() |
|
541 |
{
|
|
542 |
} |
|
543 |
||
544 |
bool QInternalMimeData::hasFormat(const QString &mimeType) const |
|
545 |
{
|
|
546 |
bool foundFormat = hasFormat_sys(mimeType); |
|
547 |
if (!foundFormat && mimeType == QLatin1String("application/x-qt-image")) {
|
|
548 |
QStringList imageFormats = imageReadMimeFormats(); |
|
549 |
for (int i = 0; i < imageFormats.size(); ++i) {
|
|
550 |
if ((foundFormat = hasFormat_sys(imageFormats.at(i)))) |
|
551 |
break; |
|
552 |
} |
|
553 |
} |
|
554 |
return foundFormat; |
|
555 |
} |
|
556 |
||
557 |
QStringList QInternalMimeData::formats() const |
|
558 |
{
|
|
559 |
QStringList realFormats = formats_sys(); |
|
560 |
if (!realFormats.contains(QLatin1String("application/x-qt-image"))) {
|
|
561 |
QStringList imageFormats = imageReadMimeFormats(); |
|
562 |
for (int i = 0; i < imageFormats.size(); ++i) {
|
|
563 |
if (realFormats.contains(imageFormats.at(i))) {
|
|
564 |
realFormats += QLatin1String("application/x-qt-image");
|
|
565 |
break; |
|
566 |
} |
|
567 |
} |
|
568 |
} |
|
569 |
return realFormats; |
|
570 |
} |
|
571 |
||
572 |
QVariant QInternalMimeData::retrieveData(const QString &mimeType, QVariant::Type type) const |
|
573 |
{
|
|
574 |
QVariant data = retrieveData_sys(mimeType, type); |
|
575 |
if (mimeType == QLatin1String("application/x-qt-image")) {
|
|
576 |
if (data.isNull() || (data.type() == QVariant::ByteArray && data.toByteArray().isEmpty())) {
|
|
577 |
// try to find an image |
|
578 |
QStringList imageFormats = imageReadMimeFormats(); |
|
579 |
for (int i = 0; i < imageFormats.size(); ++i) {
|
|
580 |
data = retrieveData_sys(imageFormats.at(i), type); |
|
581 |
if (data.isNull() || (data.type() == QVariant::ByteArray && data.toByteArray().isEmpty())) |
|
582 |
continue; |
|
583 |
break; |
|
584 |
} |
|
585 |
} |
|
586 |
// we wanted some image type, but all we got was a byte array. Convert it to an image. |
|
587 |
if (data.type() == QVariant::ByteArray |
|
588 |
&& (type == QVariant::Image || type == QVariant::Pixmap || type == QVariant::Bitmap)) |
|
589 |
data = QImage::fromData(data.toByteArray()); |
|
590 |
||
591 |
} else if (mimeType == QLatin1String("application/x-color") && data.type() == QVariant::ByteArray) {
|
|
592 |
QColor c; |
|
593 |
QByteArray ba = data.toByteArray(); |
|
594 |
if (ba.size() == 8) {
|
|
595 |
ushort * colBuf = (ushort *)ba.data(); |
|
596 |
c.setRgbF(qreal(colBuf[0]) / qreal(0xFFFF), |
|
597 |
qreal(colBuf[1]) / qreal(0xFFFF), |
|
598 |
qreal(colBuf[2]) / qreal(0xFFFF), |
|
599 |
qreal(colBuf[3]) / qreal(0xFFFF)); |
|
600 |
data = c; |
|
601 |
} else {
|
|
602 |
qWarning("Qt: Invalid color format");
|
|
603 |
} |
|
604 |
} else if (data.type() != type && data.type() == QVariant::ByteArray) {
|
|
605 |
// try to use mime data's internal conversion stuf. |
|
606 |
QInternalMimeData *that = const_cast<QInternalMimeData *>(this); |
|
607 |
that->setData(mimeType, data.toByteArray()); |
|
608 |
data = QMimeData::retrieveData(mimeType, type); |
|
609 |
that->clear(); |
|
610 |
} |
|
611 |
return data; |
|
612 |
} |
|
613 |
||
614 |
bool QInternalMimeData::canReadData(const QString &mimeType) |
|
615 |
{
|
|
616 |
return imageReadMimeFormats().contains(mimeType); |
|
617 |
} |
|
618 |
||
619 |
// helper functions for rendering mimedata to the system, this is needed because QMimeData is in core. |
|
620 |
QStringList QInternalMimeData::formatsHelper(const QMimeData *data) |
|
621 |
{
|
|
622 |
QStringList realFormats = data->formats(); |
|
623 |
if (realFormats.contains(QLatin1String("application/x-qt-image"))) {
|
|
624 |
// add all supported image formats |
|
625 |
QStringList imageFormats = imageWriteMimeFormats(); |
|
626 |
for (int i = 0; i < imageFormats.size(); ++i) {
|
|
627 |
if (!realFormats.contains(imageFormats.at(i))) |
|
628 |
realFormats.append(imageFormats.at(i)); |
|
629 |
} |
|
630 |
} |
|
631 |
return realFormats; |
|
632 |
} |
|
633 |
||
634 |
bool QInternalMimeData::hasFormatHelper(const QString &mimeType, const QMimeData *data) |
|
635 |
{
|
|
636 |
||
637 |
bool foundFormat = data->hasFormat(mimeType); |
|
638 |
if (!foundFormat) {
|
|
639 |
if (mimeType == QLatin1String("application/x-qt-image")) {
|
|
640 |
// check all supported image formats |
|
641 |
QStringList imageFormats = imageWriteMimeFormats(); |
|
642 |
for (int i = 0; i < imageFormats.size(); ++i) {
|
|
643 |
if ((foundFormat = data->hasFormat(imageFormats.at(i)))) |
|
644 |
break; |
|
645 |
} |
|
646 |
} else if (mimeType.startsWith(QLatin1String("image/"))) {
|
|
647 |
return data->hasImage() && imageWriteMimeFormats().contains(mimeType); |
|
648 |
} |
|
649 |
} |
|
650 |
return foundFormat; |
|
651 |
} |
|
652 |
||
653 |
QByteArray QInternalMimeData::renderDataHelper(const QString &mimeType, const QMimeData *data) |
|
654 |
{
|
|
655 |
QByteArray ba; |
|
656 |
if (mimeType == QLatin1String("application/x-color")) {
|
|
657 |
/* QMimeData can only provide colors as QColor or the name |
|
658 |
of a color as a QByteArray or a QString. So we need to do |
|
659 |
the conversion to application/x-color here. |
|
660 |
The application/x-color format is : |
|
661 |
type: application/x-color |
|
662 |
format: 16 |
|
663 |
data[0]: red |
|
664 |
data[1]: green |
|
665 |
data[2]: blue |
|
666 |
data[3]: opacity |
|
667 |
*/ |
|
668 |
ba.resize(8); |
|
669 |
ushort * colBuf = (ushort *)ba.data(); |
|
670 |
QColor c = qvariant_cast<QColor>(data->colorData()); |
|
671 |
colBuf[0] = ushort(c.redF() * 0xFFFF); |
|
672 |
colBuf[1] = ushort(c.greenF() * 0xFFFF); |
|
673 |
colBuf[2] = ushort(c.blueF() * 0xFFFF); |
|
674 |
colBuf[3] = ushort(c.alphaF() * 0xFFFF); |
|
675 |
} else {
|
|
676 |
ba = data->data(mimeType); |
|
677 |
if (ba.isEmpty()) {
|
|
678 |
if (mimeType == QLatin1String("application/x-qt-image") && data->hasImage()) {
|
|
679 |
QImage image = qvariant_cast<QImage>(data->imageData()); |
|
680 |
QBuffer buf(&ba); |
|
681 |
buf.open(QBuffer::WriteOnly); |
|
682 |
// would there not be PNG ?? |
|
683 |
image.save(&buf, "PNG"); |
|
684 |
} else if (mimeType.startsWith(QLatin1String("image/")) && data->hasImage()) {
|
|
685 |
QImage image = qvariant_cast<QImage>(data->imageData()); |
|
686 |
QBuffer buf(&ba); |
|
687 |
buf.open(QBuffer::WriteOnly); |
|
688 |
image.save(&buf, mimeType.mid(mimeType.indexOf(QLatin1Char('/')) + 1).toLatin1().toUpper());
|
|
689 |
} |
|
690 |
} |
|
691 |
} |
|
692 |
return ba; |
|
693 |
} |
|
694 |
||
695 |
#endif // QT_NO_DRAGANDDROP && QT_NO_CLIPBOARD |
|
696 |
||
697 |
QT_END_NAMESPACE |