diff options
Diffstat (limited to 'src/widgets/itemviews/qlistview.cpp')
-rw-r--r-- | src/widgets/itemviews/qlistview.cpp | 104 |
1 files changed, 57 insertions, 47 deletions
diff --git a/src/widgets/itemviews/qlistview.cpp b/src/widgets/itemviews/qlistview.cpp index 9c79509874..1f33649668 100644 --- a/src/widgets/itemviews/qlistview.cpp +++ b/src/widgets/itemviews/qlistview.cpp @@ -1,32 +1,38 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. +** Copyright (C) 2016 The Qt Company Ltd. ** Copyright (C) 2013 Samuel Gaist <samuel.gaist@deltech.ch> -** Contact: http://www.qt.io/licensing/ +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtWidgets module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company 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 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -46,11 +52,14 @@ #include <qscrollbar.h> #include <qrubberband.h> #include <private/qlistview_p.h> +#include <private/qscrollbar_p.h> #include <qdebug.h> #ifndef QT_NO_ACCESSIBILITY #include <qaccessible.h> #endif +#include <algorithm> + QT_BEGIN_NAMESPACE extern bool qt_sendSpontaneousEvent(QObject *receiver, QEvent *event); @@ -392,7 +401,7 @@ int QListView::spacing() const void QListView::setBatchSize(int batchSize) { Q_D(QListView); - if (batchSize <= 0) { + if (Q_UNLIKELY(batchSize <= 0)) { qWarning("Invalid batchSize (%d)", batchSize); return; } @@ -649,12 +658,13 @@ QItemViewPaintPairs QListViewPrivate::draggablePaintPairs(const QModelIndexList QRect &rect = *r; const QRect viewportRect = viewport->rect(); QItemViewPaintPairs ret; - const QSet<QModelIndex> visibleIndexes = intersectingSet(viewportRect.translated(q->horizontalOffset(), q->verticalOffset())).toList().toSet(); - for (int i = 0; i < indexes.count(); ++i) { - const QModelIndex &index = indexes.at(i); - if (visibleIndexes.contains(index)) { + QVector<QModelIndex> visibleIndexes = intersectingSet(viewportRect.translated(q->horizontalOffset(), q->verticalOffset())); + std::sort(visibleIndexes.begin(), visibleIndexes.end()); + for (const auto &index : indexes) { + if (std::binary_search(visibleIndexes.cbegin(), visibleIndexes.cend(), index)) { const QRect current = q->visualRect(index); - ret += qMakePair(current, index); + QItemViewPaintPair p = { current, index }; + ret += p; rect |= current; } } @@ -812,7 +822,7 @@ void QListView::wheelEvent(QWheelEvent *e) QPoint pixelDelta(e->pixelDelta().y(), e->pixelDelta().x()); QPoint angleDelta(e->angleDelta().y(), e->angleDelta().x()); QWheelEvent hwe(e->pos(), e->globalPos(), pixelDelta, angleDelta, e->delta(), - Qt::Horizontal, e->buttons(), e->modifiers(), e->phase()); + Qt::Horizontal, e->buttons(), e->modifiers(), e->phase(), e->source(), e->inverted()); if (e->spontaneous()) qt_sendSpontaneousEvent(d->hbar, &hwe); else @@ -1005,10 +1015,7 @@ void QListView::paintEvent(QPaintEvent *e) if (viewState == EditingState) option.state |= QStyle::State_Editing; } - if (*it == hover) - option.state |= QStyle::State_MouseOver; - else - option.state &= ~QStyle::State_MouseOver; + option.state.setFlag(QStyle::State_MouseOver, *it == hover); if (alternate) { int row = (*it).row(); @@ -1023,11 +1030,7 @@ void QListView::paintEvent(QPaintEvent *e) alternateBase = (row & 1) != 0; } } - if (alternateBase) { - option.features |= QStyleOptionViewItem::Alternate; - } else { - option.features &= ~QStyleOptionViewItem::Alternate; - } + option.features.setFlag(QStyleOptionViewItem::Alternate, alternateBase); // draw background of the item (only alternate row). rest of the background // is provided by the delegate @@ -1396,16 +1399,16 @@ QRegion QListView::visualRegionForSelection(const QItemSelection &selection) con int c = d->column; QRegion selectionRegion; const QRect &viewportRect = d->viewport->rect(); - for (int i = 0; i < selection.count(); ++i) { - if (!selection.at(i).isValid()) + for (const auto &elem : selection) { + if (!elem.isValid()) continue; - QModelIndex parent = selection.at(i).topLeft().parent(); + QModelIndex parent = elem.topLeft().parent(); //we only display the children of the root in a listview //we're not interested in the other model indexes if (parent != d->root) continue; - int t = selection.at(i).topLeft().row(); - int b = selection.at(i).bottomRight().row(); + int t = elem.topLeft().row(); + int b = elem.bottomRight().row(); if (d->viewMode == IconMode || d->isWrapping()) { // in non-static mode, we have to go through all selected items for (int r = t; r <= b; ++r) { const QRect &rect = visualRect(d->model->index(r, c, parent)); @@ -1437,13 +1440,11 @@ QModelIndexList QListView::selectedIndexes() const return QModelIndexList(); QModelIndexList viewSelected = d->selectionModel->selectedIndexes(); - for (int i = 0; i < viewSelected.count(); ++i) { - const QModelIndex &index = viewSelected.at(i); - if (!isIndexHidden(index) && index.parent() == d->root && index.column() == d->column) - ++i; - else - viewSelected.removeAt(i); - } + auto ignorable = [this, d](const QModelIndex &index) { + return index.column() != d->column || index.parent() != d->root || isIndexHidden(index); + }; + viewSelected.erase(std::remove_if(viewSelected.begin(), viewSelected.end(), ignorable), + viewSelected.end()); return viewSelected; } @@ -1842,6 +1843,16 @@ bool QListViewPrivate::dropOn(QDropEvent *event, int *dropRow, int *dropCol, QMo } #endif +void QListViewPrivate::removeCurrentAndDisabled(QVector<QModelIndex> *indexes, const QModelIndex ¤t) const +{ + auto isCurrentOrDisabled = [=](const QModelIndex &index) { + return !isIndexEnabled(index) || index == current; + }; + indexes->erase(std::remove_if(indexes->begin(), indexes->end(), + isCurrentOrDisabled), + indexes->end()); +} + /* * Common ListView Implementation */ @@ -1867,7 +1878,7 @@ void QCommonListViewBase::paintDragDrop(QPainter *painter) void QCommonListViewBase::updateHorizontalScrollBar(const QSize &step) { - horizontalScrollBar()->setSingleStep(step.width() + spacing()); + horizontalScrollBar()->d_func()->itemviewChangeSingleStep(step.width() + spacing()); horizontalScrollBar()->setPageStep(viewport()->width()); // If both scroll bars are set to auto, we might end up in a situation with enough space @@ -1897,7 +1908,7 @@ void QCommonListViewBase::updateHorizontalScrollBar(const QSize &step) void QCommonListViewBase::updateVerticalScrollBar(const QSize &step) { - verticalScrollBar()->setSingleStep(step.height() + spacing()); + verticalScrollBar()->d_func()->itemviewChangeSingleStep(step.height() + spacing()); verticalScrollBar()->setPageStep(viewport()->height()); // If both scroll bars are set to auto, we might end up in a situation with enough space @@ -2769,9 +2780,8 @@ bool QIconModeViewBase::filterDropEvent(QDropEvent *e) } QPoint start = dd->pressedPosition; QPoint delta = (dd->movement == QListView::Snap ? snapToGrid(end) - snapToGrid(start) : end - start); - QList<QModelIndex> indexes = dd->selectionModel->selectedIndexes(); - for (int i = 0; i < indexes.count(); ++i) { - QModelIndex index = indexes.at(i); + const QList<QModelIndex> indexes = dd->selectionModel->selectedIndexes(); + for (const auto &index : indexes) { QRect rect = dd->rectForIndex(index); viewport()->update(dd->mapToViewport(rect, false)); QPoint dest = rect.topLeft() + delta; |