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Diffstat (limited to 'src/gui/itemviews/qitemselectionmodel.cpp')
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diff --git a/src/gui/itemviews/qitemselectionmodel.cpp b/src/gui/itemviews/qitemselectionmodel.cpp deleted file mode 100644 index 0d0b5b1d42..0000000000 --- a/src/gui/itemviews/qitemselectionmodel.cpp +++ /dev/null @@ -1,1622 +0,0 @@ -/**************************************************************************** -** -** 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 QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qitemselectionmodel.h" -#include <private/qitemselectionmodel_p.h> -#include <qdebug.h> - -#ifndef QT_NO_ITEMVIEWS - -QT_BEGIN_NAMESPACE - -/*! - \class QItemSelectionRange - - \brief The QItemSelectionRange class manages information about a - range of selected items in a model. - - \ingroup model-view - - A QItemSelectionRange contains information about a range of - selected items in a model. A range of items is a contiguous array - of model items, extending to cover a number of adjacent rows and - columns with a common parent item; this can be visualized as a - two-dimensional block of cells in a table. A selection range has a - top(), left() a bottom(), right() and a parent(). - - The QItemSelectionRange class is one of the \l{Model/View Classes} - and is part of Qt's \l{Model/View Programming}{model/view framework}. - - The model items contained in the selection range can be obtained - using the indexes() function. Use QItemSelectionModel::selectedIndexes() - to get a list of all selected items for a view. - - You can determine whether a given model item lies within a - particular range by using the contains() function. Ranges can also - be compared using the overloaded operators for equality and - inequality, and the intersects() function allows you to determine - whether two ranges overlap. - - \sa {Model/View Programming}, QAbstractItemModel, QItemSelection, - QItemSelectionModel -*/ - -/*! - \fn QItemSelectionRange::QItemSelectionRange() - - Constructs an empty selection range. -*/ - -/*! - \fn QItemSelectionRange::QItemSelectionRange(const QItemSelectionRange &other) - - Copy constructor. Constructs a new selection range with the same contents - as the \a other range given. - -*/ - -/*! - \fn QItemSelectionRange::QItemSelectionRange(const QModelIndex &topLeft, const QModelIndex &bottomRight) - - Constructs a new selection range containing only the index specified - by the \a topLeft and the index \a bottomRight. - -*/ - -/*! - \fn QItemSelectionRange::QItemSelectionRange(const QModelIndex &index) - - Constructs a new selection range containing only the model item specified - by the model index \a index. -*/ - -/*! - \fn int QItemSelectionRange::top() const - - Returns the row index corresponding to the uppermost selected row in the - selection range. - -*/ - -/*! - \fn int QItemSelectionRange::left() const - - Returns the column index corresponding to the leftmost selected column in the - selection range. -*/ - -/*! - \fn int QItemSelectionRange::bottom() const - - Returns the row index corresponding to the lowermost selected row in the - selection range. - -*/ - -/*! - \fn int QItemSelectionRange::right() const - - Returns the column index corresponding to the rightmost selected column in - the selection range. - -*/ - -/*! - \fn int QItemSelectionRange::width() const - - Returns the number of selected columns in the selection range. - -*/ - -/*! - \fn int QItemSelectionRange::height() const - - Returns the number of selected rows in the selection range. - -*/ - -/*! - \fn const QAbstractItemModel *QItemSelectionRange::model() const - - Returns the model that the items in the selection range belong to. -*/ - -/*! - \fn QModelIndex QItemSelectionRange::topLeft() const - - Returns the index for the item located at the top-left corner of - the selection range. - - \sa top(), left(), bottomRight() -*/ - -/*! - \fn QModelIndex QItemSelectionRange::bottomRight() const - - Returns the index for the item located at the bottom-right corner - of the selection range. - - \sa bottom(), right(), topLeft() -*/ - -/*! - \fn QModelIndex QItemSelectionRange::parent() const - - Returns the parent model item index of the items in the selection range. - -*/ - -/*! - \fn bool QItemSelectionRange::contains(const QModelIndex &index) const - - Returns true if the model item specified by the \a index lies within the - range of selected items; otherwise returns false. -*/ - -/*! - \fn bool QItemSelectionRange::contains(int row, int column, - const QModelIndex &parentIndex) const - \overload - - Returns true if the model item specified by (\a row, \a column) - and with \a parentIndex as the parent item lies within the range - of selected items; otherwise returns false. -*/ - -/*! - \fn bool QItemSelectionRange::intersects(const QItemSelectionRange &other) const - - Returns true if this selection range intersects (overlaps with) the \a other - range given; otherwise returns false. - -*/ -bool QItemSelectionRange::intersects(const QItemSelectionRange &other) const -{ - return (isValid() && other.isValid() - && parent() == other.parent() - && model() == other.model() - && ((top() <= other.top() && bottom() >= other.top()) - || (top() >= other.top() && top() <= other.bottom())) - && ((left() <= other.left() && right() >= other.left()) - || (left() >= other.left() && left() <= other.right()))); -} - -/*! - \fn QItemSelectionRange QItemSelectionRange::intersect(const QItemSelectionRange &other) const - \obsolete - - Use intersected(\a other) instead. -*/ - -/*! - \fn QItemSelectionRange QItemSelectionRange::intersected(const QItemSelectionRange &other) const - \since 4.2 - - Returns a new selection range containing only the items that are found in - both the selection range and the \a other selection range. -*/ - -QItemSelectionRange QItemSelectionRange::intersect(const QItemSelectionRange &other) const -{ - if (model() == other.model() && parent() == other.parent()) { - QModelIndex topLeft = model()->index(qMax(top(), other.top()), - qMax(left(), other.left()), - other.parent()); - QModelIndex bottomRight = model()->index(qMin(bottom(), other.bottom()), - qMin(right(), other.right()), - other.parent()); - return QItemSelectionRange(topLeft, bottomRight); - } - return QItemSelectionRange(); -} - -/*! - \fn bool QItemSelectionRange::operator==(const QItemSelectionRange &other) const - - Returns true if the selection range is exactly the same as the \a other - range given; otherwise returns false. - -*/ - -/*! - \fn bool QItemSelectionRange::operator!=(const QItemSelectionRange &other) const - - Returns true if the selection range differs from the \a other range given; - otherwise returns false. - -*/ - -/*! - \fn bool QItemSelectionRange::isValid() const - - Returns true if the selection range is valid; otherwise returns false. - -*/ - -/* - \internal - - utility function for getting the indexes from a range - it avoid concatenating list and works on one - */ - -static void indexesFromRange(const QItemSelectionRange &range, QModelIndexList &result) -{ - if (range.isValid() && range.model()) { - for (int column = range.left(); column <= range.right(); ++column) { - for (int row = range.top(); row <= range.bottom(); ++row) { - QModelIndex index = range.model()->index(row, column, range.parent()); - Qt::ItemFlags flags = range.model()->flags(index); - if ((flags & Qt::ItemIsSelectable) && (flags & Qt::ItemIsEnabled)) - result.append(index); - } - } - } -} - -/*! - Returns true if the selection range contains no selectable item - \since 4.7 -*/ - -bool QItemSelectionRange::isEmpty() const -{ - if (!isValid() || !model()) - return true; - - for (int column = left(); column <= right(); ++column) { - for (int row = top(); row <= bottom(); ++row) { - QModelIndex index = model()->index(row, column, parent()); - Qt::ItemFlags flags = model()->flags(index); - if ((flags & Qt::ItemIsSelectable) && (flags & Qt::ItemIsEnabled)) - return false; - } - } - return true; -} - -/*! - Returns the list of model index items stored in the selection. -*/ - -QModelIndexList QItemSelectionRange::indexes() const -{ - QModelIndexList result; - indexesFromRange(*this, result); - return result; -} - -/*! - \class QItemSelection - - \brief The QItemSelection class manages information about selected items in a model. - - \ingroup model-view - - A QItemSelection describes the items in a model that have been - selected by the user. A QItemSelection is basically a list of - selection ranges, see QItemSelectionRange. It provides functions for - creating and manipulating selections, and selecting a range of items - from a model. - - The QItemSelection class is one of the \l{Model/View Classes} - and is part of Qt's \l{Model/View Programming}{model/view framework}. - - An item selection can be constructed and initialized to contain a - range of items from an existing model. The following example constructs - a selection that contains a range of items from the given \c model, - beginning at the \c topLeft, and ending at the \c bottomRight. - - \snippet doc/src/snippets/code/src_gui_itemviews_qitemselectionmodel.cpp 0 - - An empty item selection can be constructed, and later populated as - required. So, if the model is going to be unavailable when we construct - the item selection, we can rewrite the above code in the following way: - - \snippet doc/src/snippets/code/src_gui_itemviews_qitemselectionmodel.cpp 1 - - QItemSelection saves memory, and avoids unnecessary work, by working with - selection ranges rather than recording the model item index for each - item in the selection. Generally, an instance of this class will contain - a list of non-overlapping selection ranges. - - Use merge() to merge one item selection into another without making - overlapping ranges. Use split() to split one selection range into - smaller ranges based on a another selection range. - - \sa {Model/View Programming}, QItemSelectionModel -*/ - -/*! - \fn QItemSelection::QItemSelection() - - Constructs an empty selection. -*/ - -/*! - Constructs an item selection that extends from the top-left model item, - specified by the \a topLeft index, to the bottom-right item, specified - by \a bottomRight. -*/ -QItemSelection::QItemSelection(const QModelIndex &topLeft, const QModelIndex &bottomRight) -{ - select(topLeft, bottomRight); -} - -/*! - Adds the items in the range that extends from the top-left model - item, specified by the \a topLeft index, to the bottom-right item, - specified by \a bottomRight to the list. - - \note \a topLeft and \a bottomRight must have the same parent. -*/ -void QItemSelection::select(const QModelIndex &topLeft, const QModelIndex &bottomRight) -{ - if (!topLeft.isValid() || !bottomRight.isValid()) - return; - - if ((topLeft.model() != bottomRight.model()) - || topLeft.parent() != bottomRight.parent()) { - qWarning("Can't select indexes from different model or with different parents"); - return; - } - if (topLeft.row() > bottomRight.row() || topLeft.column() > bottomRight.column()) { - int top = qMin(topLeft.row(), bottomRight.row()); - int bottom = qMax(topLeft.row(), bottomRight.row()); - int left = qMin(topLeft.column(), bottomRight.column()); - int right = qMax(topLeft.column(), bottomRight.column()); - QModelIndex tl = topLeft.sibling(top, left); - QModelIndex br = bottomRight.sibling(bottom, right); - append(QItemSelectionRange(tl, br)); - return; - } - append(QItemSelectionRange(topLeft, bottomRight)); -} - -/*! - Returns true if the selection contains the given \a index; otherwise - returns false. -*/ - -bool QItemSelection::contains(const QModelIndex &index) const -{ - if (index.flags() & Qt::ItemIsSelectable) { - QList<QItemSelectionRange>::const_iterator it = begin(); - for (; it != end(); ++it) - if ((*it).contains(index)) - return true; - } - return false; -} - -/*! - Returns a list of model indexes that correspond to the selected items. -*/ - -QModelIndexList QItemSelection::indexes() const -{ - QModelIndexList result; - QList<QItemSelectionRange>::const_iterator it = begin(); - for (; it != end(); ++it) - indexesFromRange(*it, result); - return result; -} - -/*! - Merges the \a other selection with this QItemSelection using the - \a command given. This method guarantees that no ranges are overlapping. - - Note that only QItemSelectionModel::Select, - QItemSelectionModel::Deselect, and QItemSelectionModel::Toggle are - supported. - - \sa split() -*/ -void QItemSelection::merge(const QItemSelection &other, QItemSelectionModel::SelectionFlags command) -{ - if (other.isEmpty() || - !(command & QItemSelectionModel::Select || - command & QItemSelectionModel::Deselect || - command & QItemSelectionModel::Toggle)) - return; - - QItemSelection newSelection = other; - // Collect intersections - QItemSelection intersections; - QItemSelection::iterator it = newSelection.begin(); - while (it != newSelection.end()) { - if (!(*it).isValid()) { - it = newSelection.erase(it); - continue; - } - for (int t = 0; t < count(); ++t) { - if ((*it).intersects(at(t))) - intersections.append(at(t).intersected(*it)); - } - ++it; - } - - // Split the old (and new) ranges using the intersections - for (int i = 0; i < intersections.count(); ++i) { // for each intersection - for (int t = 0; t < count();) { // splitt each old range - if (at(t).intersects(intersections.at(i))) { - split(at(t), intersections.at(i), this); - removeAt(t); - } else { - ++t; - } - } - // only split newSelection if Toggle is specified - for (int n = 0; (command & QItemSelectionModel::Toggle) && n < newSelection.count();) { - if (newSelection.at(n).intersects(intersections.at(i))) { - split(newSelection.at(n), intersections.at(i), &newSelection); - newSelection.removeAt(n); - } else { - ++n; - } - } - } - // do not add newSelection for Deselect - if (!(command & QItemSelectionModel::Deselect)) - operator+=(newSelection); -} - -/*! - Splits the selection \a range using the selection \a other range. - Removes all items in \a other from \a range and puts the result in \a result. - This can be compared with the semantics of the \e subtract operation of a set. - \sa merge() -*/ - -void QItemSelection::split(const QItemSelectionRange &range, - const QItemSelectionRange &other, QItemSelection *result) -{ - if (range.parent() != other.parent() || range.model() != other.model()) - return; - - QModelIndex parent = other.parent(); - int top = range.top(); - int left = range.left(); - int bottom = range.bottom(); - int right = range.right(); - int other_top = other.top(); - int other_left = other.left(); - int other_bottom = other.bottom(); - int other_right = other.right(); - const QAbstractItemModel *model = range.model(); - Q_ASSERT(model); - if (other_top > top) { - QModelIndex tl = model->index(top, left, parent); - QModelIndex br = model->index(other_top - 1, right, parent); - result->append(QItemSelectionRange(tl, br)); - top = other_top; - } - if (other_bottom < bottom) { - QModelIndex tl = model->index(other_bottom + 1, left, parent); - QModelIndex br = model->index(bottom, right, parent); - result->append(QItemSelectionRange(tl, br)); - bottom = other_bottom; - } - if (other_left > left) { - QModelIndex tl = model->index(top, left, parent); - QModelIndex br = model->index(bottom, other_left - 1, parent); - result->append(QItemSelectionRange(tl, br)); - left = other_left; - } - if (other_right < right) { - QModelIndex tl = model->index(top, other_right + 1, parent); - QModelIndex br = model->index(bottom, right, parent); - result->append(QItemSelectionRange(tl, br)); - right = other_right; - } -} - - -void QItemSelectionModelPrivate::initModel(QAbstractItemModel *model) -{ - this->model = model; - if (model) { - Q_Q(QItemSelectionModel); - QObject::connect(model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)), - q, SLOT(_q_rowsAboutToBeRemoved(QModelIndex,int,int))); - QObject::connect(model, SIGNAL(columnsAboutToBeRemoved(QModelIndex,int,int)), - q, SLOT(_q_columnsAboutToBeRemoved(QModelIndex,int,int))); - QObject::connect(model, SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)), - q, SLOT(_q_rowsAboutToBeInserted(QModelIndex,int,int))); - QObject::connect(model, SIGNAL(columnsAboutToBeInserted(QModelIndex,int,int)), - q, SLOT(_q_columnsAboutToBeInserted(QModelIndex,int,int))); - QObject::connect(model, SIGNAL(layoutAboutToBeChanged()), - q, SLOT(_q_layoutAboutToBeChanged())); - QObject::connect(model, SIGNAL(layoutChanged()), - q, SLOT(_q_layoutChanged())); - } -} - -/*! - \internal - - returns a QItemSelection where all ranges have been expanded to: - Rows: left: 0 and right: columnCount()-1 - Columns: top: 0 and bottom: rowCount()-1 -*/ - -QItemSelection QItemSelectionModelPrivate::expandSelection(const QItemSelection &selection, - QItemSelectionModel::SelectionFlags command) const -{ - if (selection.isEmpty() && !((command & QItemSelectionModel::Rows) || - (command & QItemSelectionModel::Columns))) - return selection; - - QItemSelection expanded; - if (command & QItemSelectionModel::Rows) { - for (int i = 0; i < selection.count(); ++i) { - QModelIndex parent = selection.at(i).parent(); - int colCount = model->columnCount(parent); - QModelIndex tl = model->index(selection.at(i).top(), 0, parent); - QModelIndex br = model->index(selection.at(i).bottom(), colCount - 1, parent); - //we need to merge because the same row could have already been inserted - expanded.merge(QItemSelection(tl, br), QItemSelectionModel::Select); - } - } - if (command & QItemSelectionModel::Columns) { - for (int i = 0; i < selection.count(); ++i) { - QModelIndex parent = selection.at(i).parent(); - int rowCount = model->rowCount(parent); - QModelIndex tl = model->index(0, selection.at(i).left(), parent); - QModelIndex br = model->index(rowCount - 1, selection.at(i).right(), parent); - //we need to merge because the same column could have already been inserted - expanded.merge(QItemSelection(tl, br), QItemSelectionModel::Select); - } - } - return expanded; -} - -/*! - \internal -*/ -void QItemSelectionModelPrivate::_q_rowsAboutToBeRemoved(const QModelIndex &parent, - int start, int end) -{ - Q_Q(QItemSelectionModel); - finalize(); - - // update current index - if (currentIndex.isValid() && parent == currentIndex.parent() - && currentIndex.row() >= start && currentIndex.row() <= end) { - QModelIndex old = currentIndex; - if (start > 0) // there are rows left above the change - currentIndex = model->index(start - 1, old.column(), parent); - else if (model && end < model->rowCount(parent) - 1) // there are rows left below the change - currentIndex = model->index(end + 1, old.column(), parent); - else // there are no rows left in the table - currentIndex = QModelIndex(); - emit q->currentChanged(currentIndex, old); - emit q->currentRowChanged(currentIndex, old); - if (currentIndex.column() != old.column()) - emit q->currentColumnChanged(currentIndex, old); - } - - QItemSelection deselected; - QItemSelection newParts; - QItemSelection::iterator it = ranges.begin(); - while (it != ranges.end()) { - if (it->topLeft().parent() != parent) { // Check parents until reaching root or contained in range - QModelIndex itParent = it->topLeft().parent(); - while (itParent.isValid() && itParent.parent() != parent) - itParent = itParent.parent(); - - if (itParent.isValid() && start <= itParent.row() && itParent.row() <= end) { - deselected.append(*it); - it = ranges.erase(it); - } else { - ++it; - } - } else if (start <= it->bottom() && it->bottom() <= end // Full inclusion - && start <= it->top() && it->top() <= end) { - deselected.append(*it); - it = ranges.erase(it); - } else if (start <= it->top() && it->top() <= end) { // Top intersection - deselected.append(QItemSelectionRange(it->topLeft(), model->index(end, it->left(), it->parent()))); - *it = QItemSelectionRange(model->index(end + 1, it->left(), it->parent()), it->bottomRight()); - ++it; - } else if (start <= it->bottom() && it->bottom() <= end) { // Bottom intersection - deselected.append(QItemSelectionRange(model->index(start, it->right(), it->parent()), it->bottomRight())); - *it = QItemSelectionRange(it->topLeft(), model->index(start - 1, it->right(), it->parent())); - ++it; - } else if (it->top() < start && end < it->bottom()) { // Middle intersection - // If the parent contains (1, 2, 3, 4, 5, 6, 7, 8) and [3, 4, 5, 6] is selected, - // and [4, 5] is removed, we need to split [3, 4, 5, 6] into [3], [4, 5] and [6]. - // [4, 5] is appended to deselected, and [3] and [6] remain part of the selection - // in ranges. - const QItemSelectionRange removedRange(model->index(start, it->right(), it->parent()), - model->index(end, it->left(), it->parent())); - deselected.append(removedRange); - QItemSelection::split(*it, removedRange, &newParts); - it = ranges.erase(it); - } else - ++it; - } - ranges.append(newParts); - - if (!deselected.isEmpty()) - emit q->selectionChanged(QItemSelection(), deselected); -} - -/*! - \internal -*/ -void QItemSelectionModelPrivate::_q_columnsAboutToBeRemoved(const QModelIndex &parent, - int start, int end) -{ - Q_Q(QItemSelectionModel); - - // update current index - if (currentIndex.isValid() && parent == currentIndex.parent() - && currentIndex.column() >= start && currentIndex.column() <= end) { - QModelIndex old = currentIndex; - if (start > 0) // there are columns to the left of the change - currentIndex = model->index(old.row(), start - 1, parent); - else if (model && end < model->columnCount() - 1) // there are columns to the right of the change - currentIndex = model->index(old.row(), end + 1, parent); - else // there are no columns left in the table - currentIndex = QModelIndex(); - emit q->currentChanged(currentIndex, old); - if (currentIndex.row() != old.row()) - emit q->currentRowChanged(currentIndex, old); - emit q->currentColumnChanged(currentIndex, old); - } - - // update selections - QModelIndex tl = model->index(0, start, parent); - QModelIndex br = model->index(model->rowCount(parent) - 1, end, parent); - q->select(QItemSelection(tl, br), QItemSelectionModel::Deselect); - finalize(); -} - -/*! - \internal - - Split selection ranges if columns are about to be inserted in the middle. -*/ -void QItemSelectionModelPrivate::_q_columnsAboutToBeInserted(const QModelIndex &parent, - int start, int end) -{ - Q_UNUSED(end); - finalize(); - QList<QItemSelectionRange> split; - QList<QItemSelectionRange>::iterator it = ranges.begin(); - for (; it != ranges.end(); ) { - if ((*it).isValid() && (*it).parent() == parent - && (*it).left() < start && (*it).right() >= start) { - QModelIndex bottomMiddle = model->index((*it).bottom(), start - 1, (*it).parent()); - QItemSelectionRange left((*it).topLeft(), bottomMiddle); - QModelIndex topMiddle = model->index((*it).top(), start, (*it).parent()); - QItemSelectionRange right(topMiddle, (*it).bottomRight()); - it = ranges.erase(it); - split.append(left); - split.append(right); - } else { - ++it; - } - } - ranges += split; -} - -/*! - \internal - - Split selection ranges if rows are about to be inserted in the middle. -*/ -void QItemSelectionModelPrivate::_q_rowsAboutToBeInserted(const QModelIndex &parent, - int start, int end) -{ - Q_UNUSED(end); - finalize(); - QList<QItemSelectionRange> split; - QList<QItemSelectionRange>::iterator it = ranges.begin(); - for (; it != ranges.end(); ) { - if ((*it).isValid() && (*it).parent() == parent - && (*it).top() < start && (*it).bottom() >= start) { - QModelIndex middleRight = model->index(start - 1, (*it).right(), (*it).parent()); - QItemSelectionRange top((*it).topLeft(), middleRight); - QModelIndex middleLeft = model->index(start, (*it).left(), (*it).parent()); - QItemSelectionRange bottom(middleLeft, (*it).bottomRight()); - it = ranges.erase(it); - split.append(top); - split.append(bottom); - } else { - ++it; - } - } - ranges += split; -} - -/*! - \internal - - Split selection into individual (persistent) indexes. This is done in - preparation for the layoutChanged() signal, where the indexes can be - merged again. -*/ -void QItemSelectionModelPrivate::_q_layoutAboutToBeChanged() -{ - savedPersistentIndexes.clear(); - savedPersistentCurrentIndexes.clear(); - - // optimization for when all indexes are selected - // (only if there is lots of items (1000) because this is not entirely correct) - if (ranges.isEmpty() && currentSelection.count() == 1) { - QItemSelectionRange range = currentSelection.first(); - QModelIndex parent = range.parent(); - tableRowCount = model->rowCount(parent); - tableColCount = model->columnCount(parent); - if (tableRowCount * tableColCount > 1000 - && range.top() == 0 - && range.left() == 0 - && range.bottom() == tableRowCount - 1 - && range.right() == tableColCount - 1) { - tableSelected = true; - tableParent = parent; - return; - } - } - tableSelected = false; - - QModelIndexList indexes = ranges.indexes(); - QModelIndexList::const_iterator it; - for (it = indexes.constBegin(); it != indexes.constEnd(); ++it) - savedPersistentIndexes.append(QPersistentModelIndex(*it)); - indexes = currentSelection.indexes(); - for (it = indexes.constBegin(); it != indexes.constEnd(); ++it) - savedPersistentCurrentIndexes.append(QPersistentModelIndex(*it)); -} - -/*! - \internal - - Merges \a indexes into an item selection made up of ranges. - Assumes that the indexes are sorted. -*/ -static QItemSelection mergeIndexes(const QList<QPersistentModelIndex> &indexes) -{ - QItemSelection colSpans; - // merge columns - int i = 0; - while (i < indexes.count()) { - QModelIndex tl = indexes.at(i); - QModelIndex br = tl; - while (++i < indexes.count()) { - QModelIndex next = indexes.at(i); - if ((next.parent() == br.parent()) - && (next.row() == br.row()) - && (next.column() == br.column() + 1)) - br = next; - else - break; - } - colSpans.append(QItemSelectionRange(tl, br)); - } - // merge rows - QItemSelection rowSpans; - i = 0; - while (i < colSpans.count()) { - QModelIndex tl = colSpans.at(i).topLeft(); - QModelIndex br = colSpans.at(i).bottomRight(); - QModelIndex prevTl = tl; - while (++i < colSpans.count()) { - QModelIndex nextTl = colSpans.at(i).topLeft(); - QModelIndex nextBr = colSpans.at(i).bottomRight(); - - if (nextTl.parent() != tl.parent()) - break; // we can't merge selection ranges from different parents - - if ((nextTl.column() == prevTl.column()) && (nextBr.column() == br.column()) - && (nextTl.row() == prevTl.row() + 1) && (nextBr.row() == br.row() + 1)) { - br = nextBr; - prevTl = nextTl; - } else { - break; - } - } - rowSpans.append(QItemSelectionRange(tl, br)); - } - return rowSpans; -} - -/*! - \internal - - Merge the selected indexes into selection ranges again. -*/ -void QItemSelectionModelPrivate::_q_layoutChanged() -{ - // special case for when all indexes are selected - if (tableSelected && tableColCount == model->columnCount(tableParent) - && tableRowCount == model->rowCount(tableParent)) { - ranges.clear(); - currentSelection.clear(); - int bottom = tableRowCount - 1; - int right = tableColCount - 1; - QModelIndex tl = model->index(0, 0, tableParent); - QModelIndex br = model->index(bottom, right, tableParent); - currentSelection << QItemSelectionRange(tl, br); - tableParent = QModelIndex(); - tableSelected = false; - return; - } - - if (savedPersistentCurrentIndexes.isEmpty() && savedPersistentIndexes.isEmpty()) { - // either the selection was actually empty, or we - // didn't get the layoutAboutToBeChanged() signal - return; - } - // clear the "old" selection - ranges.clear(); - currentSelection.clear(); - - // sort the "new" selection, as preparation for merging - qStableSort(savedPersistentIndexes.begin(), savedPersistentIndexes.end()); - qStableSort(savedPersistentCurrentIndexes.begin(), savedPersistentCurrentIndexes.end()); - - // update the selection by merging the individual indexes - ranges = mergeIndexes(savedPersistentIndexes); - currentSelection = mergeIndexes(savedPersistentCurrentIndexes); - - // release the persistent indexes - savedPersistentIndexes.clear(); - savedPersistentCurrentIndexes.clear(); -} - -/*! - \class QItemSelectionModel - - \brief The QItemSelectionModel class keeps track of a view's selected items. - - \ingroup model-view - - A QItemSelectionModel keeps track of the selected items in a view, or - in several views onto the same model. It also keeps track of the - currently selected item in a view. - - The QItemSelectionModel class is one of the \l{Model/View Classes} - and is part of Qt's \l{Model/View Programming}{model/view framework}. - - The selected items are stored using ranges. Whenever you want to - modify the selected items use select() and provide either a - QItemSelection, or a QModelIndex and a QItemSelectionModel::SelectionFlag. - - The QItemSelectionModel takes a two layer approach to selection - management, dealing with both selected items that have been committed - and items that are part of the current selection. The current - selected items are part of the current interactive selection (for - example with rubber-band selection or keyboard-shift selections). - - To update the currently selected items, use the bitwise OR of - QItemSelectionModel::Current and any of the other SelectionFlags. - If you omit the QItemSelectionModel::Current command, a new current - selection will be created, and the previous one added to the whole - selection. All functions operate on both layers; for example, - selectedItems() will return items from both layers. - - \sa {Model/View Programming}, QAbstractItemModel, {Chart Example} -*/ - -/*! - Constructs a selection model that operates on the specified item \a model. -*/ -QItemSelectionModel::QItemSelectionModel(QAbstractItemModel *model) - : QObject(*new QItemSelectionModelPrivate, model) -{ - d_func()->initModel(model); -} - -/*! - Constructs a selection model that operates on the specified item \a model with \a parent. -*/ -QItemSelectionModel::QItemSelectionModel(QAbstractItemModel *model, QObject *parent) - : QObject(*new QItemSelectionModelPrivate, parent) -{ - d_func()->initModel(model); -} - -/*! - \internal -*/ -QItemSelectionModel::QItemSelectionModel(QItemSelectionModelPrivate &dd, QAbstractItemModel *model) - : QObject(dd, model) -{ - dd.initModel(model); -} - -/*! - Destroys the selection model. -*/ -QItemSelectionModel::~QItemSelectionModel() -{ -} - -/*! - Selects the model item \a index using the specified \a command, and emits - selectionChanged(). - - \sa QItemSelectionModel::SelectionFlags -*/ -void QItemSelectionModel::select(const QModelIndex &index, QItemSelectionModel::SelectionFlags command) -{ - QItemSelection selection(index, index); - select(selection, command); -} - -/*! - \fn void QItemSelectionModel::currentChanged(const QModelIndex ¤t, const QModelIndex &previous) - - This signal is emitted whenever the current item changes. The \a previous - model item index is replaced by the \a current index as the selection's - current item. - - Note that this signal will not be emitted when the item model is reset. - - \sa currentIndex() setCurrentIndex() selectionChanged() -*/ - -/*! - \fn void QItemSelectionModel::currentColumnChanged(const QModelIndex ¤t, const QModelIndex &previous) - - This signal is emitted if the \a current item changes and its column is - different to the column of the \a previous current item. - - Note that this signal will not be emitted when the item model is reset. - - \sa currentChanged() currentRowChanged() currentIndex() setCurrentIndex() -*/ - -/*! - \fn void QItemSelectionModel::currentRowChanged(const QModelIndex ¤t, const QModelIndex &previous) - - This signal is emitted if the \a current item changes and its row is - different to the row of the \a previous current item. - - Note that this signal will not be emitted when the item model is reset. - - \sa currentChanged() currentColumnChanged() currentIndex() setCurrentIndex() -*/ - -/*! - \fn void QItemSelectionModel::selectionChanged(const QItemSelection &selected, const QItemSelection &deselected) - - This signal is emitted whenever the selection changes. The change in the - selection is represented as an item selection of \a deselected items and - an item selection of \a selected items. - - Note the that the current index changes independently from the selection. - Also note that this signal will not be emitted when the item model is reset. - - \sa select() currentChanged() -*/ - -/*! - \enum QItemSelectionModel::SelectionFlag - - This enum describes the way the selection model will be updated. - - \value NoUpdate No selection will be made. - \value Clear The complete selection will be cleared. - \value Select All specified indexes will be selected. - \value Deselect All specified indexes will be deselected. - \value Toggle All specified indexes will be selected or - deselected depending on their current state. - \value Current The current selection will be updated. - \value Rows All indexes will be expanded to span rows. - \value Columns All indexes will be expanded to span columns. - \value SelectCurrent A combination of Select and Current, provided for - convenience. - \value ToggleCurrent A combination of Toggle and Current, provided for - convenience. - \value ClearAndSelect A combination of Clear and Select, provided for - convenience. -*/ - -/*! - Selects the item \a selection using the specified \a command, and emits - selectionChanged(). - - \sa QItemSelectionModel::SelectionFlag -*/ -void QItemSelectionModel::select(const QItemSelection &selection, QItemSelectionModel::SelectionFlags command) -{ - Q_D(QItemSelectionModel); - if (command == NoUpdate) - return; - - // store old selection - QItemSelection sel = selection; - // If d->ranges is non-empty when the source model is reset the persistent indexes - // it contains will be invalid. We can't clear them in a modelReset slot because that might already - // be too late if another model observer is connected to the same modelReset slot and is invoked first - // it might call select() on this selection model before any such QItemSelectionModelPrivate::_q_modelReset() slot - // is invoked, so it would not be cleared yet. We clear it invalid ranges in it here. - QItemSelection::iterator it = d->ranges.begin(); - while (it != d->ranges.end()) { - if (!it->isValid()) - it = d->ranges.erase(it); - else - ++it; - } - - QItemSelection old = d->ranges; - old.merge(d->currentSelection, d->currentCommand); - - // expand selection according to SelectionBehavior - if (command & Rows || command & Columns) - sel = d->expandSelection(sel, command); - - // clear ranges and currentSelection - if (command & Clear) { - d->ranges.clear(); - d->currentSelection.clear(); - } - - // merge and clear currentSelection if Current was not set (ie. start new currentSelection) - if (!(command & Current)) - d->finalize(); - - // update currentSelection - if (command & Toggle || command & Select || command & Deselect) { - d->currentCommand = command; - d->currentSelection = sel; - } - - // generate new selection, compare with old and emit selectionChanged() - QItemSelection newSelection = d->ranges; - newSelection.merge(d->currentSelection, d->currentCommand); - emitSelectionChanged(newSelection, old); -} - -/*! - Clears the selection model. Emits selectionChanged() and currentChanged(). -*/ -void QItemSelectionModel::clear() -{ - Q_D(QItemSelectionModel); - clearSelection(); - QModelIndex previous = d->currentIndex; - d->currentIndex = QModelIndex(); - if (previous.isValid()) { - emit currentChanged(d->currentIndex, previous); - emit currentRowChanged(d->currentIndex, previous); - emit currentColumnChanged(d->currentIndex, previous); - } -} - -/*! - Clears the selection model. Does not emit any signals. -*/ -void QItemSelectionModel::reset() -{ - bool block = blockSignals(true); - clear(); - blockSignals(block); -} - -/*! - \since 4.2 - Clears the selection in the selection model. Emits selectionChanged(). -*/ -void QItemSelectionModel::clearSelection() -{ - Q_D(QItemSelectionModel); - if (d->ranges.count() == 0 && d->currentSelection.count() == 0) - return; - - select(QItemSelection(), Clear); -} - - -/*! - Sets the model item \a index to be the current item, and emits - currentChanged(). The current item is used for keyboard navigation and - focus indication; it is independent of any selected items, although a - selected item can also be the current item. - - Depending on the specified \a command, the \a index can also become part - of the current selection. - \sa select() -*/ -void QItemSelectionModel::setCurrentIndex(const QModelIndex &index, QItemSelectionModel::SelectionFlags command) -{ - Q_D(QItemSelectionModel); - if (index == d->currentIndex) { - if (command != NoUpdate) - select(index, command); // select item - return; - } - QPersistentModelIndex previous = d->currentIndex; - d->currentIndex = index; // set current before emitting selection changed below - if (command != NoUpdate) - select(d->currentIndex, command); // select item - emit currentChanged(d->currentIndex, previous); - if (d->currentIndex.row() != previous.row() || - d->currentIndex.parent() != previous.parent()) - emit currentRowChanged(d->currentIndex, previous); - if (d->currentIndex.column() != previous.column() || - d->currentIndex.parent() != previous.parent()) - emit currentColumnChanged(d->currentIndex, previous); -} - -/*! - Returns the model item index for the current item, or an invalid index - if there is no current item. -*/ -QModelIndex QItemSelectionModel::currentIndex() const -{ - return static_cast<QModelIndex>(d_func()->currentIndex); -} - -/*! - Returns true if the given model item \a index is selected. -*/ -bool QItemSelectionModel::isSelected(const QModelIndex &index) const -{ - Q_D(const QItemSelectionModel); - if (d->model != index.model() || !index.isValid()) - return false; - - bool selected = false; - // search model ranges - QList<QItemSelectionRange>::const_iterator it = d->ranges.begin(); - for (; it != d->ranges.end(); ++it) { - if ((*it).isValid() && (*it).contains(index)) { - selected = true; - break; - } - } - - // check currentSelection - if (d->currentSelection.count()) { - if ((d->currentCommand & Deselect) && selected) - selected = !d->currentSelection.contains(index); - else if (d->currentCommand & Toggle) - selected ^= d->currentSelection.contains(index); - else if ((d->currentCommand & Select) && !selected) - selected = d->currentSelection.contains(index); - } - - if (selected) { - Qt::ItemFlags flags = d->model->flags(index); - return (flags & Qt::ItemIsSelectable); - } - - return false; -} - -/*! - Returns true if all items are selected in the \a row with the given - \a parent. - - Note that this function is usually faster than calling isSelected() - on all items in the same row and that unselectable items are - ignored. -*/ -bool QItemSelectionModel::isRowSelected(int row, const QModelIndex &parent) const -{ - Q_D(const QItemSelectionModel); - if (parent.isValid() && d->model != parent.model()) - return false; - - // return false if row exist in currentSelection (Deselect) - if (d->currentCommand & Deselect && d->currentSelection.count()) { - for (int i=0; i<d->currentSelection.count(); ++i) { - if (d->currentSelection.at(i).parent() == parent && - row >= d->currentSelection.at(i).top() && - row <= d->currentSelection.at(i).bottom()) - return false; - } - } - // return false if ranges in both currentSelection and ranges - // intersect and have the same row contained - if (d->currentCommand & Toggle && d->currentSelection.count()) { - for (int i=0; i<d->currentSelection.count(); ++i) - if (d->currentSelection.at(i).top() <= row && - d->currentSelection.at(i).bottom() >= row) - for (int j=0; j<d->ranges.count(); ++j) - if (d->ranges.at(j).top() <= row && d->ranges.at(j).bottom() >= row - && d->currentSelection.at(i).intersected(d->ranges.at(j)).isValid()) - return false; - } - // add ranges and currentSelection and check through them all - QList<QItemSelectionRange>::const_iterator it; - QList<QItemSelectionRange> joined = d->ranges; - if (d->currentSelection.count()) - joined += d->currentSelection; - int colCount = d->model->columnCount(parent); - for (int column = 0; column < colCount; ++column) { - for (it = joined.constBegin(); it != joined.constEnd(); ++it) { - if ((*it).contains(row, column, parent)) { - bool selectable = false; - for (int i = column; !selectable && i <= (*it).right(); ++i) { - Qt::ItemFlags flags = d->model->index(row, i, parent).flags(); - selectable = flags & Qt::ItemIsSelectable; - } - if (selectable){ - column = qMax(column, (*it).right()); - break; - } - } - } - if (it == joined.constEnd()) - return false; - } - return colCount > 0; // no columns means no selected items -} - -/*! - Returns true if all items are selected in the \a column with the given - \a parent. - - Note that this function is usually faster than calling isSelected() - on all items in the same column and that unselectable items are - ignored. -*/ -bool QItemSelectionModel::isColumnSelected(int column, const QModelIndex &parent) const -{ - Q_D(const QItemSelectionModel); - if (parent.isValid() && d->model != parent.model()) - return false; - - // return false if column exist in currentSelection (Deselect) - if (d->currentCommand & Deselect && d->currentSelection.count()) { - for (int i = 0; i < d->currentSelection.count(); ++i) { - if (d->currentSelection.at(i).parent() == parent && - column >= d->currentSelection.at(i).left() && - column <= d->currentSelection.at(i).right()) - return false; - } - } - // return false if ranges in both currentSelection and the selection model - // intersect and have the same column contained - if (d->currentCommand & Toggle && d->currentSelection.count()) { - for (int i = 0; i < d->currentSelection.count(); ++i) { - if (d->currentSelection.at(i).left() <= column && - d->currentSelection.at(i).right() >= column) { - for (int j = 0; j < d->ranges.count(); ++j) { - if (d->ranges.at(j).left() <= column && d->ranges.at(j).right() >= column - && d->currentSelection.at(i).intersected(d->ranges.at(j)).isValid()) { - return false; - } - } - } - } - } - // add ranges and currentSelection and check through them all - QList<QItemSelectionRange>::const_iterator it; - QList<QItemSelectionRange> joined = d->ranges; - if (d->currentSelection.count()) - joined += d->currentSelection; - int rowCount = d->model->rowCount(parent); - for (int row = 0; row < rowCount; ++row) { - for (it = joined.constBegin(); it != joined.constEnd(); ++it) { - if ((*it).contains(row, column, parent)) { - Qt::ItemFlags flags = d->model->index(row, column, parent).flags(); - if ((flags & Qt::ItemIsSelectable) && (flags & Qt::ItemIsEnabled)) { - row = qMax(row, (*it).bottom()); - break; - } - } - } - if (it == joined.constEnd()) - return false; - } - return rowCount > 0; // no rows means no selected items -} - -/*! - Returns true if there are any items selected in the \a row with the given - \a parent. -*/ -bool QItemSelectionModel::rowIntersectsSelection(int row, const QModelIndex &parent) const -{ - Q_D(const QItemSelectionModel); - if (parent.isValid() && d->model != parent.model()) - return false; - - QItemSelection sel = d->ranges; - sel.merge(d->currentSelection, d->currentCommand); - for (int i = 0; i < sel.count(); ++i) { - int top = sel.at(i).top(); - int bottom = sel.at(i).bottom(); - int left = sel.at(i).left(); - int right = sel.at(i).right(); - if (top <= row && bottom >= row) { - for (int j = left; j <= right; j++) { - const Qt::ItemFlags flags = d->model->index(row, j, parent).flags(); - if ((flags & Qt::ItemIsSelectable) && (flags & Qt::ItemIsEnabled)) - return true; - } - } - } - - return false; -} - -/*! - Returns true if there are any items selected in the \a column with the given - \a parent. -*/ -bool QItemSelectionModel::columnIntersectsSelection(int column, const QModelIndex &parent) const -{ - Q_D(const QItemSelectionModel); - if (parent.isValid() && d->model != parent.model()) - return false; - - QItemSelection sel = d->ranges; - sel.merge(d->currentSelection, d->currentCommand); - for (int i = 0; i < sel.count(); ++i) { - int left = sel.at(i).left(); - int right = sel.at(i).right(); - int top = sel.at(i).top(); - int bottom = sel.at(i).bottom(); - if (left <= column && right >= column) { - for (int j = top; j <= bottom; j++) { - const Qt::ItemFlags flags = d->model->index(j, column, parent).flags(); - if ((flags & Qt::ItemIsSelectable) && (flags & Qt::ItemIsEnabled)) - return true; - } - } - } - - return false; -} - -/*! - \since 4.2 - - Returns true if the selection model contains any selection ranges; - otherwise returns false. -*/ -bool QItemSelectionModel::hasSelection() const -{ - Q_D(const QItemSelectionModel); - if (d->currentCommand & (Toggle | Deselect)) { - QItemSelection sel = d->ranges; - sel.merge(d->currentSelection, d->currentCommand); - return !sel.isEmpty(); - } else { - return !(d->ranges.isEmpty() && d->currentSelection.isEmpty()); - } -} - -/*! - Returns a list of all selected model item indexes. The list contains no - duplicates, and is not sorted. -*/ -QModelIndexList QItemSelectionModel::selectedIndexes() const -{ - Q_D(const QItemSelectionModel); - QItemSelection selected = d->ranges; - selected.merge(d->currentSelection, d->currentCommand); - return selected.indexes(); -} - -/*! - \since 4.2 - Returns the indexes in the given \a column for the rows where all columns are selected. - - \sa selectedIndexes(), selectedColumns() -*/ - -QModelIndexList QItemSelectionModel::selectedRows(int column) const -{ - QModelIndexList indexes; - //the QSet contains pairs of parent modelIndex - //and row number - QSet< QPair<QModelIndex, int> > rowsSeen; - - const QItemSelection ranges = selection(); - for (int i = 0; i < ranges.count(); ++i) { - const QItemSelectionRange &range = ranges.at(i); - QModelIndex parent = range.parent(); - for (int row = range.top(); row <= range.bottom(); row++) { - QPair<QModelIndex, int> rowDef = qMakePair(parent, row); - if (!rowsSeen.contains(rowDef)) { - rowsSeen << rowDef; - if (isRowSelected(row, parent)) { - indexes.append(model()->index(row, column, parent)); - } - } - } - } - - return indexes; -} - -/*! - \since 4.2 - Returns the indexes in the given \a row for columns where all rows are selected. - - \sa selectedIndexes(), selectedRows() -*/ - -QModelIndexList QItemSelectionModel::selectedColumns(int row) const -{ - QModelIndexList indexes; - //the QSet contains pairs of parent modelIndex - //and column number - QSet< QPair<QModelIndex, int> > columnsSeen; - - const QItemSelection ranges = selection(); - for (int i = 0; i < ranges.count(); ++i) { - const QItemSelectionRange &range = ranges.at(i); - QModelIndex parent = range.parent(); - for (int column = range.left(); column <= range.right(); column++) { - QPair<QModelIndex, int> columnDef = qMakePair(parent, column); - if (!columnsSeen.contains(columnDef)) { - columnsSeen << columnDef; - if (isColumnSelected(column, parent)) { - indexes.append(model()->index(row, column, parent)); - } - } - } - } - - return indexes; -} - -/*! - Returns the selection ranges stored in the selection model. -*/ -const QItemSelection QItemSelectionModel::selection() const -{ - Q_D(const QItemSelectionModel); - QItemSelection selected = d->ranges; - selected.merge(d->currentSelection, d->currentCommand); - int i = 0; - // make sure we have no invalid ranges - // ### should probably be handled more generic somewhere else - while (i<selected.count()) { - if (selected.at(i).isValid()) - ++i; - else - (selected.removeAt(i)); - } - return selected; -} - -/*! - Returns the item model operated on by the selection model. -*/ -const QAbstractItemModel *QItemSelectionModel::model() const -{ - return d_func()->model; -} - -/*! - Compares the two selections \a newSelection and \a oldSelection - and emits selectionChanged() with the deselected and selected items. -*/ -void QItemSelectionModel::emitSelectionChanged(const QItemSelection &newSelection, - const QItemSelection &oldSelection) -{ - // if both selections are empty or equal we return - if ((oldSelection.isEmpty() && newSelection.isEmpty()) || - oldSelection == newSelection) - return; - - // if either selection is empty we do not need to compare - if (oldSelection.isEmpty() || newSelection.isEmpty()) { - emit selectionChanged(newSelection, oldSelection); - return; - } - - QItemSelection deselected = oldSelection; - QItemSelection selected = newSelection; - - // remove equal ranges - bool advance; - for (int o = 0; o < deselected.count(); ++o) { - advance = true; - for (int s = 0; s < selected.count() && o < deselected.count();) { - if (deselected.at(o) == selected.at(s)) { - deselected.removeAt(o); - selected.removeAt(s); - advance = false; - } else { - ++s; - } - } - if (advance) - ++o; - } - - // find intersections - QItemSelection intersections; - for (int o = 0; o < deselected.count(); ++o) { - for (int s = 0; s < selected.count(); ++s) { - if (deselected.at(o).intersects(selected.at(s))) - intersections.append(deselected.at(o).intersected(selected.at(s))); - } - } - - // compare remaining ranges with intersections and split them to find deselected and selected - for (int i = 0; i < intersections.count(); ++i) { - // split deselected - for (int o = 0; o < deselected.count();) { - if (deselected.at(o).intersects(intersections.at(i))) { - QItemSelection::split(deselected.at(o), intersections.at(i), &deselected); - deselected.removeAt(o); - } else { - ++o; - } - } - // split selected - for (int s = 0; s < selected.count();) { - if (selected.at(s).intersects(intersections.at(i))) { - QItemSelection::split(selected.at(s), intersections.at(i), &selected); - selected.removeAt(s); - } else { - ++s; - } - } - } - - if (!selected.isEmpty() || !deselected.isEmpty()) - emit selectionChanged(selected, deselected); -} - -#ifndef QT_NO_DEBUG_STREAM -QDebug operator<<(QDebug dbg, const QItemSelectionRange &range) -{ -#ifndef Q_BROKEN_DEBUG_STREAM - dbg.nospace() << "QItemSelectionRange(" << range.topLeft() - << ',' << range.bottomRight() << ')'; - return dbg.space(); -#else - qWarning("This compiler doesn't support streaming QItemSelectionRange to QDebug"); - return dbg; - Q_UNUSED(range); -#endif -} -#endif - -QT_END_NAMESPACE - -#include "moc_qitemselectionmodel.cpp" - -#endif // QT_NO_ITEMVIEWS |