diff options
Diffstat (limited to 'kexi/core/kexidragobjects.h')
-rw-r--r-- | kexi/core/kexidragobjects.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/kexi/core/kexidragobjects.h b/kexi/core/kexidragobjects.h new file mode 100644 index 00000000..9b7a42ec --- /dev/null +++ b/kexi/core/kexidragobjects.h @@ -0,0 +1,82 @@ +/* This file is part of the KDE project + Copyright (C) 2002, 2003 Joseph Wenninger <[email protected]> + Copyright (C) 2005 Jaroslaw Staniek <[email protected]> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. +*/ + +#ifndef KEXI_DRAGOBJECTS_H_ +#define KEXI_DRAGOBJECTS_H_ + +#include <qdragobject.h> + +class QString; +class QStringList; +class QWidget; + +//! Drag object containing information about field(s). +class KEXICORE_EXPORT KexiFieldDrag : public QStoredDrag +{ + public: + /*! Creates drag object for a single field \a field. */ + KexiFieldDrag(const QString& sourceMimeType, const QString& sourceName, + const QString& field, QWidget *parent, const char *name); + + /*! Creates drag object for multiple fields \a fields. + If there's less than two elements in the list, data is set up as for above ctor. */ + KexiFieldDrag(const QString& sourceMimeType, const QString& sourceName, + const QStringList& field, QWidget *parent=0, const char *name=0); + + ~KexiFieldDrag(); + + void addField(const QString& field); + + /*! \return true if event \a e (of class QDragMoveEvent or QDropEvent) + can be decoded as "kexi/field" data */ + static bool canDecodeSingle( QMimeSource* e ); + + /*! \return true if event \a e (of class QDragMoveEvent or QDropEvent) + can be decoded as "kexi/fields" data. If decoding of "kexi/field" + type is supported, decoding of "kexi/fields" is always supported. + */ + static bool canDecodeMultiple( QMimeSource* e ); + + /*! Decodes data of single-field drag ("kexi/field" mime type) coming with event \a e. + Sets \a sourceMimeType, \a sourceName and \a field. + \return true on successful decoding (\a e will be accepted in such case). */ + static bool decodeSingle( QDropEvent* e, QString& sourceMimeType, + QString& sourceName, QString& field ); + + /*! Decodes data of multiple-field drag ("kexi/fields" mime type) coming with event \a e. + Sets \a sourceMimeType, \a sourceName and \a fields. Also works with "kexi/field" data. + \return true on successful decoding (\a e will be accepted in such case). */ + static bool decodeMultiple( QDropEvent* e, QString& sourceMimeType, + QString& sourceName, QStringList& fields ); +}; + +class KEXICORE_EXPORT KexiDataProviderDrag : public QStoredDrag +{ + public: + KexiDataProviderDrag(const QString& sourceMimeType, const QString& sourceName, + QWidget *parent=0, const char *name=0); + ~KexiDataProviderDrag() { }; + + static bool canDecode( QDragMoveEvent* e); + static bool decode( QDropEvent* e, QString& sourceMimeType, QString& sourceName); + +}; + +#endif |