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83 lines
3.2 KiB
83 lines
3.2 KiB
/* This file is part of the KDE project
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Copyright (C) 2002, 2003 Joseph Wenninger <jowenn@kde.org>
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Copyright (C) 2005 Jaroslaw Staniek <js@iidea.pl>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef KEXI_DRAGOBJECTS_H_
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#define KEXI_DRAGOBJECTS_H_
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#include <tqdragobject.h>
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class TQString;
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class TQStringList;
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class TQWidget;
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//! Drag object containing information about field(s).
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class KEXICORE_EXPORT KexiFieldDrag : public TQStoredDrag
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{
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public:
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/*! Creates drag object for a single field \a field. */
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KexiFieldDrag(const TQString& sourceMimeType, const TQString& sourceName,
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const TQString& field, TQWidget *parent, const char *name);
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/*! Creates drag object for multiple fields \a fields.
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If there's less than two elements in the list, data is set up as for above ctor. */
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KexiFieldDrag(const TQString& sourceMimeType, const TQString& sourceName,
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const TQStringList& field, TQWidget *parent=0, const char *name=0);
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~KexiFieldDrag();
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void addField(const TQString& field);
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/*! \return true if event \a e (of class TQDragMoveEvent or TQDropEvent)
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can be decoded as "kexi/field" data */
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static bool canDecodeSingle( TQMimeSource* e );
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/*! \return true if event \a e (of class TQDragMoveEvent or TQDropEvent)
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can be decoded as "kexi/fields" data. If decoding of "kexi/field"
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type is supported, decoding of "kexi/fields" is always supported.
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*/
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static bool canDecodeMultiple( TQMimeSource* e );
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/*! Decodes data of single-field drag ("kexi/field" mime type) coming with event \a e.
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Sets \a sourceMimeType, \a sourceName and \a field.
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\return true on successful decoding (\a e will be accepted in such case). */
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static bool decodeSingle( TQDropEvent* e, TQString& sourceMimeType,
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TQString& sourceName, TQString& field );
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/*! Decodes data of multiple-field drag ("kexi/fields" mime type) coming with event \a e.
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Sets \a sourceMimeType, \a sourceName and \a fields. Also works with "kexi/field" data.
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\return true on successful decoding (\a e will be accepted in such case). */
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static bool decodeMultiple( TQDropEvent* e, TQString& sourceMimeType,
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TQString& sourceName, TQStringList& fields );
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};
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class KEXICORE_EXPORT KexiDataProviderDrag : public TQStoredDrag
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{
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public:
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KexiDataProviderDrag(const TQString& sourceMimeType, const TQString& sourceName,
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TQWidget *parent=0, const char *name=0);
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~KexiDataProviderDrag() { };
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static bool canDecode( TQDragMoveEvent* e);
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static bool decode( TQDropEvent* e, TQString& sourceMimeType, TQString& sourceName);
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};
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#endif
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