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c293be56bd
In particular, the directory frontends/qt4 is renamed to frontends/qt. Many configurations file have to be updated. All mentions of qt4 in the source have been audited, and changed to qt if necessary. The only part that has not been updated is the CMake build system.
127 lines
3.9 KiB
C++
127 lines
3.9 KiB
C++
// -*- C++ -*-
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/**
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* \file GuiIdListModel.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Richard Heck
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*
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* Some of this code is based upon qstringlistmodel.{h,cpp}, which is
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* part of the Qt toolkit, copyright (C) 1992-2007 Trolltech ASA, and
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* released under the General Public License.
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef GUIIDLISTMODEL_H
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#define GUIIDLISTMODEL_H
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#include "support/qstring_helpers.h"
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#include <QAbstractListModel>
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#include <vector>
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#include <string>
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namespace lyx {
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namespace frontend {
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/**
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* A QAbstractListModel that associates an identifying string with
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* each item, as well as a display string. The display string is set
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* with setUIString; the identifying string, with setIDString.
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*
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* This is intended to be used, for example, with GuiSelectionManager.
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* In that case, one needs to recover from selectedModel which items
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* have been selected. One may not wish to do so using the string that
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* is there *displayed*, since, among other things, that string may be
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* translated. So the id can be used to identify the items in this case.
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*/
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class GuiIdListModel : public QAbstractListModel {
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public:
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///
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GuiIdListModel() {}
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//////////////////////////////////////////////////////////////////////
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// Methods overridden from QAbstractListModel
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//////////////////////////////////////////////////////////////////////
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///
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int rowCount(QModelIndex const & = QModelIndex()) const
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{ return int(userData_.size()); }
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///
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virtual QVariant data(QModelIndex const & index,
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int role = Qt::DisplayRole) const;
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///
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bool insertRows(int row, int count, QModelIndex const & parent = QModelIndex());
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///
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bool removeRows(int row, int count, QModelIndex const & parent = QModelIndex());
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///
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void clear() { removeRows(0, rowCount()); }
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///
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virtual bool setData (QModelIndex const & index,
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const QVariant & value, int role = Qt::EditRole );
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///
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virtual QMap<int, QVariant> itemData(QModelIndex const & index ) const;
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//////////////////////////////////////////////////////////////////////
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// New methods
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//////////////////////////////////////////////////////////////////////
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///
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void insertRow(int const i, QString const & uiString,
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std::string const & idString, QString const & ttString);
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/// A convenience method, setting ttString to the same as uiString
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void insertRow(int const i, QString const & uiString,
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std::string const & idString);
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/// \return the index of the (first) item with idString
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/// \return -1 if not found
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int findIDString(std::string const & idString);
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///
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virtual QString getIDString(QModelIndex const & index) const
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{ return data(index, Qt::UserRole).toString(); }
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///
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virtual std::string getIDString(int const i) const
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{ return fromqstr(getIDString(index(i))); }
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private:
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/// noncopyable
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GuiIdListModel(GuiIdListModel const &);
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///
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void operator=(GuiIdListModel const &);
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///
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void setUIString(QModelIndex const & index, QString const & value)
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{ setData(index, value); }
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///
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void setUIString(int const i, QString const & value)
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{ setUIString(index(i), value); }
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///
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void setIDString(QModelIndex const & index, QString const & value)
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{ setData(index, value, Qt::UserRole); }
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///
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void setIDString(int const i, std::string const & value)
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{ setIDString(index(i), toqstr(value)); }
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///
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void setTTString(QModelIndex const & index, QString const & value)
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{ setData(index, value, Qt::ToolTipRole); }
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///
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void setTTString(int const i, QString const & value)
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{ setTTString(index(i), value); }
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struct OurData {
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/// Qt::DisplayRole and Qt::EditRole
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QVariant uiString;
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/// Qt::UserRole
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QVariant idString;
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/// Qt::ToolTipRole
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QVariant ttString;
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};
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///
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std::vector<OurData> userData_;
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///
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bool rowIsValid(int const i) const
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{
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return i >= 0 && i <= int(userData_.size());
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}
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};
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} // namespace frontend
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} // namespace lyx
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#endif //GUIIDLISTMODEL_H
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