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Diffstat (limited to 'src/kernel/qdragobject.h')
| -rw-r--r-- | src/kernel/qdragobject.h | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/src/kernel/qdragobject.h b/src/kernel/qdragobject.h new file mode 100644 index 0000000..d04a045 --- /dev/null +++ b/src/kernel/qdragobject.h @@ -0,0 +1,279 @@ +/**************************************************************************** +** +** Definition of QDragObject +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the kernel module of the Qt GUI Toolkit. +** +** This file may be used under the terms of the GNU General +** Public License versions 2.0 or 3.0 as published by the Free +** Software Foundation and appearing in the files LICENSE.GPL2 +** and LICENSE.GPL3 included in the packaging of this file. +** Alternatively you may (at your option) use any later version +** of the GNU General Public License if such license has been +** publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free Qt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing requirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.QPL +** included in the packaging of this file. Licensees holding valid Qt +** Commercial licenses may use this file in accordance with the Qt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef QDRAGOBJECT_H +#define QDRAGOBJECT_H + +class QWidget; +class QTextDragPrivate; +class QDragObjectData; +class QStoredDragData; +class QImageDragData; + +#ifndef QT_H +#include "qobject.h" +#include "qimage.h" +#include "qstrlist.h" +#include "qcolor.h" +#endif // QT_H + +#ifndef QT_NO_MIME + +class Q_EXPORT QDragObject: public QObject, public QMimeSource { + Q_OBJECT +public: + QDragObject( QWidget * dragSource = 0, const char * name = 0 ); + virtual ~QDragObject(); + +#ifndef QT_NO_DRAGANDDROP + bool drag(); + bool dragMove(); + void dragCopy(); + void dragLink(); + + virtual void setPixmap(QPixmap); + virtual void setPixmap(QPixmap, const QPoint& hotspot); + QPixmap pixmap() const; + QPoint pixmapHotSpot() const; +#endif + + QWidget * source(); + static QWidget * target(); + + static void setTarget(QWidget*); + +#ifndef QT_NO_DRAGANDDROP + enum DragMode { DragDefault, DragCopy, DragMove, DragLink, DragCopyOrMove }; + +protected: + virtual bool drag(DragMode); +#endif + +private: + QDragObjectData * d; +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + QDragObject( const QDragObject & ); + QDragObject &operator=( const QDragObject & ); +#endif +}; + +class Q_EXPORT QStoredDrag: public QDragObject { + Q_OBJECT + QStoredDragData * d; + +public: + QStoredDrag( const char * mimeType, + QWidget * dragSource = 0, const char * name = 0 ); + ~QStoredDrag(); + + virtual void setEncodedData( const QByteArray & ); + + const char * format(int i) const; + virtual QByteArray encodedData(const char*) const; + +private: +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + QStoredDrag( const QStoredDrag & ); + QStoredDrag &operator=( const QStoredDrag & ); +#endif +}; + +class Q_EXPORT QTextDrag: public QDragObject { + Q_OBJECT + QTextDragPrivate* d; +public: + QTextDrag( const QString &, + QWidget * dragSource = 0, const char * name = 0 ); + QTextDrag( QWidget * dragSource = 0, const char * name = 0 ); + ~QTextDrag(); + + virtual void setText( const QString &); + virtual void setSubtype( const QCString &); + + const char * format(int i) const; + virtual QByteArray encodedData(const char*) const; + + static bool canDecode( const QMimeSource* e ); + static bool decode( const QMimeSource* e, QString& s ); + static bool decode( const QMimeSource* e, QString& s, QCString& subtype ); + +private: +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + QTextDrag( const QTextDrag & ); + QTextDrag &operator=( const QTextDrag & ); +#endif +}; + +class Q_EXPORT QImageDrag: public QDragObject { + Q_OBJECT + QImage img; + QStrList ofmts; + QImageDragData* d; + +public: + QImageDrag( QImage image, QWidget * dragSource = 0, const char * name = 0 ); + QImageDrag( QWidget * dragSource = 0, const char * name = 0 ); + ~QImageDrag(); + + virtual void setImage( QImage image ); + + const char * format(int i) const; + virtual QByteArray encodedData(const char*) const; + + static bool canDecode( const QMimeSource* e ); + static bool decode( const QMimeSource* e, QImage& i ); + static bool decode( const QMimeSource* e, QPixmap& i ); + +private: +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + QImageDrag( const QImageDrag & ); + QImageDrag &operator=( const QImageDrag & ); +#endif +}; + + +class Q_EXPORT QUriDrag: public QStoredDrag { + Q_OBJECT + +public: + QUriDrag( QStrList uris, QWidget * dragSource = 0, const char * name = 0 ); + QUriDrag( QWidget * dragSource = 0, const char * name = 0 ); + ~QUriDrag(); + + void setFilenames( const QStringList & fnames ) { setFileNames( fnames ); } + void setFileNames( const QStringList & fnames ); + void setUnicodeUris( const QStringList & uuris ); + virtual void setUris( QStrList uris ); + + static QString uriToLocalFile(const char*); + static QCString localFileToUri(const QString&); + static QString uriToUnicodeUri(const char*); + static QCString unicodeUriToUri(const QString&); + static bool canDecode( const QMimeSource* e ); + static bool decode( const QMimeSource* e, QStrList& i ); + static bool decodeToUnicodeUris( const QMimeSource* e, QStringList& i ); + static bool decodeLocalFiles( const QMimeSource* e, QStringList& i ); + +private: +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + QUriDrag( const QUriDrag & ); + QUriDrag &operator=( const QUriDrag & ); +#endif +}; + +class Q_EXPORT QColorDrag : public QStoredDrag +{ + Q_OBJECT + QColor color; + +public: + QColorDrag( const QColor &col, QWidget *dragsource = 0, const char *name = 0 ); + QColorDrag( QWidget * dragSource = 0, const char * name = 0 ); + void setColor( const QColor &col ); + + static bool canDecode( QMimeSource * ); + static bool decode( QMimeSource *, QColor &col ); + +private: +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + QColorDrag( const QColorDrag & ); + QColorDrag &operator=( const QColorDrag & ); +#endif +}; + +#ifndef QT_NO_COMPAT +typedef QUriDrag QUrlDrag; +#endif + +#ifndef QT_NO_DRAGANDDROP + +// QDragManager is not part of the public API. It is defined in a +// header file simply so different .cpp files can implement different +// member functions. +// + +class Q_EXPORT QDragManager: public QObject { + Q_OBJECT + +private: + QDragManager(); + ~QDragManager(); + // only friend classes can use QDragManager. + friend class QDragObject; + friend class QDragMoveEvent; + friend class QDropEvent; + friend class QApplication; + + bool eventFilter( QObject *, QEvent * ); + void timerEvent( QTimerEvent* ); + + bool drag( QDragObject *, QDragObject::DragMode ); + + void cancel( bool deleteSource = TRUE ); + void move( const QPoint & ); + void drop(); + void updatePixmap(); + void updatePixmap( const QPoint& cursorPos ); + +private: + QDragObject * object; + bool updateMode( ButtonState newstate ); + void updateCursor(); +#if defined(Q_WS_X11) + void createCursors(); +#endif + + QWidget * dragSource; + QWidget * dropWidget; + bool beingCancelled; + bool restoreCursor; + bool willDrop; + + QPixmap *pm_cursor; + int n_cursor; +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + QDragManager( const QDragManager & ); + QDragManager &operator=( const QDragManager & ); +#endif +}; + +#endif + +#endif // QT_NO_MIME + +#endif // QDRAGOBJECT_H |