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280 lines
8.1 KiB
280 lines
8.1 KiB
13 years ago
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/****************************************************************************
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**
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** Definition of TQDragObject
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQDRAGOBJECT_H
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#define TQDRAGOBJECT_H
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class TQWidget;
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class TQTextDragPrivate;
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class TQDragObjectData;
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class TQStoredDragData;
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class TQImageDragData;
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#ifndef QT_H
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#include "ntqobject.h"
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#include "ntqimage.h"
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#include "ntqstrlist.h"
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#include "ntqcolor.h"
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#endif // QT_H
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#ifndef QT_NO_MIME
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class Q_EXPORT TQDragObject: public TQObject, public TQMimeSource {
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Q_OBJECT
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public:
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TQDragObject( TQWidget * dragSource = 0, const char * name = 0 );
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virtual ~TQDragObject();
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#ifndef QT_NO_DRAGANDDROP
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bool drag();
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bool dragMove();
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void dragCopy();
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void dragLink();
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virtual void setPixmap(TQPixmap);
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virtual void setPixmap(TQPixmap, const TQPoint& hotspot);
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TQPixmap pixmap() const;
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TQPoint pixmapHotSpot() const;
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#endif
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TQWidget * source();
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static TQWidget * target();
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static void setTarget(TQWidget*);
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#ifndef QT_NO_DRAGANDDROP
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enum DragMode { DragDefault, DragCopy, DragMove, DragLink, DragCopyOrMove };
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protected:
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virtual bool drag(DragMode);
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#endif
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private:
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TQDragObjectData * d;
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#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
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TQDragObject( const TQDragObject & );
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TQDragObject &operator=( const TQDragObject & );
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#endif
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};
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class Q_EXPORT TQStoredDrag: public TQDragObject {
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Q_OBJECT
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TQStoredDragData * d;
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public:
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TQStoredDrag( const char * mimeType,
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TQWidget * dragSource = 0, const char * name = 0 );
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~TQStoredDrag();
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virtual void setEncodedData( const TQByteArray & );
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const char * format(int i) const;
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virtual TQByteArray encodedData(const char*) const;
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private:
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#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
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TQStoredDrag( const TQStoredDrag & );
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TQStoredDrag &operator=( const TQStoredDrag & );
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#endif
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};
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class Q_EXPORT TQTextDrag: public TQDragObject {
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Q_OBJECT
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TQTextDragPrivate* d;
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public:
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TQTextDrag( const TQString &,
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TQWidget * dragSource = 0, const char * name = 0 );
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TQTextDrag( TQWidget * dragSource = 0, const char * name = 0 );
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~TQTextDrag();
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virtual void setText( const TQString &);
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virtual void setSubtype( const TQCString &);
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const char * format(int i) const;
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virtual TQByteArray encodedData(const char*) const;
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static bool canDecode( const TQMimeSource* e );
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static bool decode( const TQMimeSource* e, TQString& s );
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static bool decode( const TQMimeSource* e, TQString& s, TQCString& subtype );
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private:
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#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
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TQTextDrag( const TQTextDrag & );
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TQTextDrag &operator=( const TQTextDrag & );
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#endif
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};
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class Q_EXPORT TQImageDrag: public TQDragObject {
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Q_OBJECT
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TQImage img;
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TQStrList ofmts;
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TQImageDragData* d;
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public:
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TQImageDrag( TQImage image, TQWidget * dragSource = 0, const char * name = 0 );
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TQImageDrag( TQWidget * dragSource = 0, const char * name = 0 );
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~TQImageDrag();
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virtual void setImage( TQImage image );
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const char * format(int i) const;
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virtual TQByteArray encodedData(const char*) const;
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static bool canDecode( const TQMimeSource* e );
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static bool decode( const TQMimeSource* e, TQImage& i );
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static bool decode( const TQMimeSource* e, TQPixmap& i );
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private:
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#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
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TQImageDrag( const TQImageDrag & );
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TQImageDrag &operator=( const TQImageDrag & );
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#endif
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};
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class Q_EXPORT TQUriDrag: public TQStoredDrag {
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Q_OBJECT
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public:
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TQUriDrag( TQStrList uris, TQWidget * dragSource = 0, const char * name = 0 );
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TQUriDrag( TQWidget * dragSource = 0, const char * name = 0 );
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~TQUriDrag();
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void setFilenames( const TQStringList & fnames ) { setFileNames( fnames ); }
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void setFileNames( const TQStringList & fnames );
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void setUnicodeUris( const TQStringList & uuris );
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virtual void setUris( TQStrList uris );
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static TQString uriToLocalFile(const char*);
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static TQCString localFileToUri(const TQString&);
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static TQString uriToUnicodeUri(const char*);
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static TQCString unicodeUriToUri(const TQString&);
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static bool canDecode( const TQMimeSource* e );
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static bool decode( const TQMimeSource* e, TQStrList& i );
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static bool decodeToUnicodeUris( const TQMimeSource* e, TQStringList& i );
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static bool decodeLocalFiles( const TQMimeSource* e, TQStringList& i );
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private:
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#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
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TQUriDrag( const TQUriDrag & );
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TQUriDrag &operator=( const TQUriDrag & );
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#endif
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};
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class Q_EXPORT TQColorDrag : public TQStoredDrag
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{
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Q_OBJECT
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TQColor color;
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public:
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TQColorDrag( const TQColor &col, TQWidget *dragsource = 0, const char *name = 0 );
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TQColorDrag( TQWidget * dragSource = 0, const char * name = 0 );
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void setColor( const TQColor &col );
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static bool canDecode( TQMimeSource * );
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static bool decode( TQMimeSource *, TQColor &col );
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private:
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#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
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TQColorDrag( const TQColorDrag & );
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TQColorDrag &operator=( const TQColorDrag & );
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#endif
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};
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#ifndef QT_NO_COMPAT
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typedef TQUriDrag TQUrlDrag;
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#endif
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#ifndef QT_NO_DRAGANDDROP
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// TQDragManager is not part of the public API. It is defined in a
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// header file simply so different .cpp files can implement different
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// member functions.
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//
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class Q_EXPORT TQDragManager: public TQObject {
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Q_OBJECT
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private:
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TQDragManager();
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~TQDragManager();
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// only friend classes can use TQDragManager.
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friend class TQDragObject;
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friend class TQDragMoveEvent;
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friend class TQDropEvent;
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friend class TQApplication;
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bool eventFilter( TQObject *, TQEvent * );
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void timerEvent( TQTimerEvent* );
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bool drag( TQDragObject *, TQDragObject::DragMode );
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void cancel( bool deleteSource = TRUE );
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void move( const TQPoint & );
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void drop();
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void updatePixmap();
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void updatePixmap( const TQPoint& cursorPos );
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private:
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TQDragObject * object;
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bool updateMode( ButtonState newstate );
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void updateCursor();
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#if defined(Q_WS_X11)
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void createCursors();
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#endif
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TQWidget * dragSource;
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TQWidget * dropWidget;
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bool beingCancelled;
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bool restoreCursor;
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bool willDrop;
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TQPixmap *pm_cursor;
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int n_cursor;
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#if defined(Q_DISABLE_COPY) // Disabled copy constructor and operator=
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TQDragManager( const TQDragManager & );
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TQDragManager &operator=( const TQDragManager & );
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#endif
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};
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#endif
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#endif // QT_NO_MIME
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#endif // TQDRAGOBJECT_H
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