diff options
Diffstat (limited to 'doc/src/snippets/code/doc_src_dnd.cpp')
-rw-r--r-- | doc/src/snippets/code/doc_src_dnd.cpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/doc/src/snippets/code/doc_src_dnd.cpp b/doc/src/snippets/code/doc_src_dnd.cpp new file mode 100644 index 0000000..d5dc721 --- /dev/null +++ b/doc/src/snippets/code/doc_src_dnd.cpp @@ -0,0 +1,74 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +void MyQt3Widget::customStartDragFunction() +{ + QDragObject *d = new QTextDrag( myHighlightedText(), this ); + d->dragCopy(); + // do NOT delete d. +} +//! [0] + + +//! [1] +void MyQt3Widget::dragEnterEvent(QDragEnterEvent* event) +{ + event->accept( + QTextDrag::canDecode(event) || + QImageDrag::canDecode(event) + ); +} +//! [1] + + +//! [2] +void MyQt3Widget::dropEvent(QDropEvent* event) +{ + QImage image; + QString text; + + if ( QImageDrag::decode(event, image) ) { + insertImageAt(image, event->pos()); + } else if ( QTextDrag::decode(event, text) ) { + insertTextAt(text, event->pos()); + } +} +//! [2] |