91 lines
3.4 KiB
C++
91 lines
3.4 KiB
C++
/************************************************************************
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**
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** @file doubledelegate.h
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date November 15, 2013
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**
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** @brief
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** @copyright
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** This source code is part of the Valentine project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2013 Valentina project
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** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
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**
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** Valentina 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 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina 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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**
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** You should have received a copy of the GNU General Public License
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** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#ifndef DOUBLEDELEGATE_H
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#define DOUBLEDELEGATE_H
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#include <QItemDelegate>
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/**
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* @brief The DoubleSpinBoxDelegate class a delegate that allows the user to change double values from the model
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* using a double spin box widget.
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*/
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class DoubleSpinBoxDelegate : public QItemDelegate
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{
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Q_OBJECT
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public:
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/**
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* @brief DoubleSpinBoxDelegate constructor.
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* @param parent parent object.
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*/
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DoubleSpinBoxDelegate(QObject *parent = nullptr): QItemDelegate(parent), lastValue(-10001.0){}
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/**
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* @brief createEditorReturns the widget used to edit the item specified by index for editing. The parent widget and
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* style option are used to control how the editor widget appears.
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* @param parent parent widget.
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* @param option item options.
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* @param index index of data item.
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* @return editor to be used for editing the data item.
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*/
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QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const;
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/**
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* @brief setEditorData sets the data to be displayed and edited by the editor from the data model item specified by
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* the model index.
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* @param editor editor.
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* @param index index of data item.
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*/
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void setEditorData(QWidget *editor, const QModelIndex &index) const;
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/**
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* @brief setModelData gets data from the editor widget and stores it in the specified model at the item index.
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* @param editor editor.
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* @param model model.
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* @param index index of data item.
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*/
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void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;
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/**
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* @brief updateEditorGeometry updates the editor for the item specified by index according to the style option
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* given.
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* @param editor editor.
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* @param option item options.
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* @param index index of data item.
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*/
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void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const;
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public slots:
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/**
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* @brief commitAndCloseEditor commit value if changed.
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*/
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void commitAndCloseEditor();
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private:
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/**
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* @brief lastValue last saved value.
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*/
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qreal lastValue;
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};
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#endif
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