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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 000000000..84b0291be --- /dev/null +++ b/src/kernel/qdragobject.h @@ -0,0 +1,279 @@ +/**************************************************************************** +** +** Definition of TQDragObject +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the kernel module of the TQt 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 TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements 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 [email protected]. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** 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 TQDRAGOBJECT_H +#define TQDRAGOBJECT_H + +class TQWidget; +class TQTextDragPrivate; +class TQDragObjectData; +class TQStoredDragData; +class TQImageDragData; + +#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 TQDragObject: public TQObject, public TQMimeSource { + Q_OBJECT +public: + TQDragObject( TQWidget * dragSource = 0, const char * name = 0 ); + virtual ~TQDragObject(); + +#ifndef QT_NO_DRAGANDDROP + bool drag(); + bool dragMove(); + void dragCopy(); + void dragLink(); + + virtual void setPixmap(TQPixmap); + virtual void setPixmap(TQPixmap, const TQPoint& hotspot); + TQPixmap pixmap() const; + TQPoint pixmapHotSpot() const; +#endif + + TQWidget * source(); + static TQWidget * target(); + + static void setTarget(TQWidget*); + +#ifndef QT_NO_DRAGANDDROP + enum DragMode { DragDefault, DragCopy, DragMove, DragLink, DragCopyOrMove }; + +protected: + virtual bool drag(DragMode); +#endif + +private: + TQDragObjectData * d; +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQDragObject( const TQDragObject & ); + TQDragObject &operator=( const TQDragObject & ); +#endif +}; + +class Q_EXPORT TQStoredDrag: public TQDragObject { + Q_OBJECT + TQStoredDragData * d; + +public: + TQStoredDrag( const char * mimeType, + TQWidget * dragSource = 0, const char * name = 0 ); + ~TQStoredDrag(); + + virtual void setEncodedData( const TQByteArray & ); + + const char * format(int i) const; + virtual TQByteArray encodedData(const char*) const; + +private: +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQStoredDrag( const TQStoredDrag & ); + TQStoredDrag &operator=( const TQStoredDrag & ); +#endif +}; + +class Q_EXPORT TQTextDrag: public TQDragObject { + Q_OBJECT + TQTextDragPrivate* d; +public: + TQTextDrag( const TQString &, + TQWidget * dragSource = 0, const char * name = 0 ); + TQTextDrag( TQWidget * dragSource = 0, const char * name = 0 ); + ~TQTextDrag(); + + virtual void setText( const TQString &); + virtual void setSubtype( const TQCString &); + + const char * format(int i) const; + virtual TQByteArray encodedData(const char*) const; + + static bool canDecode( const TQMimeSource* e ); + static bool decode( const TQMimeSource* e, TQString& s ); + static bool decode( const TQMimeSource* e, TQString& s, TQCString& subtype ); + +private: +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQTextDrag( const TQTextDrag & ); + TQTextDrag &operator=( const TQTextDrag & ); +#endif +}; + +class Q_EXPORT TQImageDrag: public TQDragObject { + Q_OBJECT + TQImage img; + TQStrList ofmts; + TQImageDragData* d; + +public: + TQImageDrag( TQImage image, TQWidget * dragSource = 0, const char * name = 0 ); + TQImageDrag( TQWidget * dragSource = 0, const char * name = 0 ); + ~TQImageDrag(); + + virtual void setImage( TQImage image ); + + const char * format(int i) const; + virtual TQByteArray encodedData(const char*) const; + + static bool canDecode( const TQMimeSource* e ); + static bool decode( const TQMimeSource* e, TQImage& i ); + static bool decode( const TQMimeSource* e, TQPixmap& i ); + +private: +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQImageDrag( const TQImageDrag & ); + TQImageDrag &operator=( const TQImageDrag & ); +#endif +}; + + +class Q_EXPORT TQUriDrag: public TQStoredDrag { + Q_OBJECT + +public: + TQUriDrag( TQStrList uris, TQWidget * dragSource = 0, const char * name = 0 ); + TQUriDrag( TQWidget * dragSource = 0, const char * name = 0 ); + ~TQUriDrag(); + + void setFilenames( const TQStringList & fnames ) { setFileNames( fnames ); } + void setFileNames( const TQStringList & fnames ); + void setUnicodeUris( const TQStringList & uuris ); + virtual void setUris( TQStrList uris ); + + static TQString uriToLocalFile(const char*); + static TQCString localFileToUri(const TQString&); + static TQString uriToUnicodeUri(const char*); + static TQCString unicodeUriToUri(const TQString&); + static bool canDecode( const TQMimeSource* e ); + static bool decode( const TQMimeSource* e, TQStrList& i ); + static bool decodeToUnicodeUris( const TQMimeSource* e, TQStringList& i ); + static bool decodeLocalFiles( const TQMimeSource* e, TQStringList& i ); + +private: +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQUriDrag( const TQUriDrag & ); + TQUriDrag &operator=( const TQUriDrag & ); +#endif +}; + +class Q_EXPORT TQColorDrag : public TQStoredDrag +{ + Q_OBJECT + TQColor color; + +public: + TQColorDrag( const TQColor &col, TQWidget *dragsource = 0, const char *name = 0 ); + TQColorDrag( TQWidget * dragSource = 0, const char * name = 0 ); + void setColor( const TQColor &col ); + + static bool canDecode( TQMimeSource * ); + static bool decode( TQMimeSource *, TQColor &col ); + +private: +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQColorDrag( const TQColorDrag & ); + TQColorDrag &operator=( const TQColorDrag & ); +#endif +}; + +#ifndef QT_NO_COMPAT +typedef TQUriDrag TQUrlDrag; +#endif + +#ifndef QT_NO_DRAGANDDROP + +// TQDragManager 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 TQDragManager: public TQObject { + Q_OBJECT + +private: + TQDragManager(); + ~TQDragManager(); + // only friend classes can use TQDragManager. + friend class TQDragObject; + friend class TQDragMoveEvent; + friend class TQDropEvent; + friend class TQApplication; + + bool eventFilter( TQObject *, TQEvent * ); + void timerEvent( TQTimerEvent* ); + + bool drag( TQDragObject *, TQDragObject::DragMode ); + + void cancel( bool deleteSource = TRUE ); + void move( const TQPoint & ); + void drop(); + void updatePixmap(); + void updatePixmap( const TQPoint& cursorPos ); + +private: + TQDragObject * object; + bool updateMode( ButtonState newstate ); + void updateCursor(); +#if defined(Q_WS_X11) + void createCursors(); +#endif + + TQWidget * dragSource; + TQWidget * dropWidget; + bool beingCancelled; + bool restoreCursor; + bool willDrop; + + TQPixmap *pm_cursor; + int n_cursor; +#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator= + TQDragManager( const TQDragManager & ); + TQDragManager &operator=( const TQDragManager & ); +#endif +}; + +#endif + +#endif // QT_NO_MIME + +#endif // TQDRAGOBJECT_H |