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bb35d2ce09
This function is inline, and QVariant uses a copy-on-write like copying mechanism, like most datatypes in Qt.
38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
/******************************************************************************
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Copyright (C) 2013 by Hugh Bailey <obs.jim@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#include <QVariant>
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/* in case you're wondering, I made this code because qt static asserts would
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* fail on forward pointers. so I was forced to make a hack */
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struct PtrVariantDummy {
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void *unused;
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};
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Q_DECLARE_METATYPE(PtrVariantDummy*);
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template<typename T> static inline T VariantPtr(QVariant v)
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{
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return (T)v.value<PtrVariantDummy*>();
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}
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static inline QVariant PtrVariant(void* ptr)
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{
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return QVariant::fromValue<PtrVariantDummy*>((PtrVariantDummy*)ptr);
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}
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