| 1 | /**************************************************************************** | 
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| 2 | ** | 
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| 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | 
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| 4 | ** All rights reserved. | 
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| 5 | ** Contact: Nokia Corporation (qt-info@nokia.com) | 
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| 6 | ** | 
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| 7 | ** This file is part of the examples of the Qt Toolkit. | 
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| 8 | ** | 
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| 9 | ** $QT_BEGIN_LICENSE:BSD$ | 
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| 10 | ** You may use this file under the terms of the BSD license as follows: | 
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| 11 | ** | 
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| 12 | ** "Redistribution and use in source and binary forms, with or without | 
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| 13 | ** modification, are permitted provided that the following conditions are | 
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| 14 | ** met: | 
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| 15 | **   * Redistributions of source code must retain the above copyright | 
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| 16 | **     notice, this list of conditions and the following disclaimer. | 
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| 17 | **   * Redistributions in binary form must reproduce the above copyright | 
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| 18 | **     notice, this list of conditions and the following disclaimer in | 
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| 19 | **     the documentation and/or other materials provided with the | 
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| 20 | **     distribution. | 
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| 21 | **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor | 
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| 22 | **     the names of its contributors may be used to endorse or promote | 
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| 23 | **     products derived from this software without specific prior written | 
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| 24 | **     permission. | 
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| 25 | ** | 
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| 26 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
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| 27 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
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| 28 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
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| 29 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
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| 30 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
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| 31 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
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| 32 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
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| 33 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
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| 34 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
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| 35 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
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| 36 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." | 
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| 37 | ** $QT_END_LICENSE$ | 
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| 38 | ** | 
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| 39 | ****************************************************************************/ | 
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| 40 |  | 
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| 41 | /* | 
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| 42 | delegate.cpp | 
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| 43 |  | 
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| 44 | A delegate that allows the user to change integer values from the model | 
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| 45 | using a spin box widget. | 
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| 46 | */ | 
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| 47 |  | 
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| 48 | #include <QtGui> | 
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| 49 |  | 
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| 50 | #include "delegate.h" | 
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| 51 |  | 
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| 52 |  | 
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| 53 | //! [0] | 
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| 54 | SpinBoxDelegate::SpinBoxDelegate(QObject *parent) | 
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| 55 | : QItemDelegate(parent) | 
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| 56 | { | 
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| 57 | } | 
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| 58 | //! [0] | 
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| 59 |  | 
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| 60 | //! [1] | 
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| 61 | QWidget *SpinBoxDelegate::createEditor(QWidget *parent, | 
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| 62 | const QStyleOptionViewItem &/* option */, | 
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| 63 | const QModelIndex &/* index */) const | 
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| 64 | { | 
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| 65 | QSpinBox *editor = new QSpinBox(parent); | 
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| 66 | editor->setMinimum(0); | 
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| 67 | editor->setMaximum(100); | 
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| 68 |  | 
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| 69 | return editor; | 
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| 70 | } | 
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| 71 | //! [1] | 
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| 72 |  | 
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| 73 | //! [2] | 
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| 74 | void SpinBoxDelegate::setEditorData(QWidget *editor, | 
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| 75 | const QModelIndex &index) const | 
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| 76 | { | 
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| 77 | int value = index.model()->data(index, Qt::EditRole).toInt(); | 
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| 78 |  | 
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| 79 | QSpinBox *spinBox = static_cast<QSpinBox*>(editor); | 
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| 80 | spinBox->setValue(value); | 
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| 81 | } | 
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| 82 | //! [2] | 
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| 83 |  | 
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| 84 | //! [3] | 
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| 85 | void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, | 
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| 86 | const QModelIndex &index) const | 
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| 87 | { | 
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| 88 | QSpinBox *spinBox = static_cast<QSpinBox*>(editor); | 
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| 89 | spinBox->interpretText(); | 
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| 90 | int value = spinBox->value(); | 
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| 91 |  | 
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| 92 | model->setData(index, value, Qt::EditRole); | 
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| 93 | } | 
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| 94 | //! [3] | 
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| 95 |  | 
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| 96 | //! [4] | 
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| 97 | void SpinBoxDelegate::updateEditorGeometry(QWidget *editor, | 
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| 98 | const QStyleOptionViewItem &option, const QModelIndex &/* index */) const | 
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| 99 | { | 
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| 100 | editor->setGeometry(option.rect); | 
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| 101 | } | 
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| 102 | //! [4] | 
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