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80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include "EditorDefs.h"
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#include "ColumnGroupItemDelegate.h"
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// Qt
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#include <QHeaderView>
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#include <QPainter>
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#include <QTreeView>
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ColumnGroupItemDelegate::ColumnGroupItemDelegate(QObject* parent)
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: QStyledItemDelegate(parent)
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{
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}
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QSize ColumnGroupItemDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const
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{
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// group title indexes have no own width, their text is drawn over all columns
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if (index.model()->hasChildren(index) && index.column() == 0)
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{
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return QSize(32, QStyledItemDelegate::sizeHint(option, index).height());
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}
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return QStyledItemDelegate::sizeHint(option, index);
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}
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void ColumnGroupItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
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{
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if (index.model()->hasChildren(index))
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{
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painter->setClipping(false);
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painter->setPen(option.palette.text().color());
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if (option.state & QStyle::State_Selected)
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{
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painter->setPen(option.palette.highlightedText().color());
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}
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QRect textRect = option.rect;
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textRect.setRight(qobject_cast<QWidget*>(parent())->width());
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if (option.state & QStyle::State_Selected && index.column() == 0)
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{
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painter->fillRect(textRect, option.palette.highlight());
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}
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// there's just one text - somewhere in the model row, show it!
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QString content;
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const int columnCount = index.model()->columnCount(index.parent());
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for (int column = 0; column < columnCount; ++column)
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{
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content += index.sibling(index.row(), column).data().toString();
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}
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int alignment = index.data(Qt::TextAlignmentRole).toInt();
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if (index.column() == 0)
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{
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painter->drawText(textRect, (alignment == 0 ? Qt::AlignLeft | Qt::AlignVCenter : alignment) | Qt::ElideRight, content);
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}
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if (!index.parent().isValid() && index.row() > 0)
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{
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QTreeView* tv = qobject_cast<QTreeView*>(option.styleObject);
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if (tv)
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{
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// draw a line in the same color as the table header for separation between groups
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QStyleOptionHeader header;
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header.rect = QRect(QPoint(1, textRect.top()), textRect.topRight() - QPoint(1,0));
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tv->style()->drawControl(QStyle::CE_HeaderSection, &header, painter, tv->header());
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}
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}
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}
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else
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{
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QStyledItemDelegate::paint(painter, option, index);
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}
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}
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