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71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project. 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 "EditorPreferencesTreeWidgetItemDelegate.h"
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#include <QIcon>
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#include <QPainter>
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#include <QStyledItemDelegate>
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static const int IconX = 26;
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static const int TextX = 27;
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EditorPreferencesTreeWidgetItemDelegate::EditorPreferencesTreeWidgetItemDelegate(QWidget* parent)
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: QStyledItemDelegate(parent)
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{
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m_mouseOverBrush = QBrush(QColor(0x40, 0x40, 0x40));
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m_selectedBrush = QBrush(QColor(0x47, 0x47, 0x47));
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}
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void EditorPreferencesTreeWidgetItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
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{
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painter->save();
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painter->setPen(Qt::NoPen);
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const auto textHeight = option.fontMetrics.height();
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int vCenter = option.rect.bottom() - option.rect.height() / 2;
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int iconSize = option.decorationSize.width();
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if ((option.state & QStyle::State_Selected) || (option.state & QStyle::State_MouseOver))
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{
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if ((option.state & QStyle::State_Selected))
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{
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painter->setBrush(m_selectedBrush);
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}
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else if ((option.state & QStyle::State_MouseOver))
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{
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painter->setBrush(m_mouseOverBrush);
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}
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const QRect backGroundRect(option.rect.left(), option.rect.top(), option.rect.width(), option.rect.height());
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painter->drawRect(backGroundRect);
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}
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const auto& iconVariant = index.data(Qt::DecorationRole);
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if (!iconVariant.isNull())
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{
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const auto& icon = iconVariant.value<QIcon>();
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QRect r(IconX, vCenter - iconSize/2, iconSize, iconSize);
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r.setX(-r.width());
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icon.paint(painter, r);
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}
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const QString& text = index.data(Qt::DisplayRole).toString();
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painter->setPen(Qt::white);
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const auto textRect = QRect{ TextX, vCenter - textHeight/2, option.rect.width() - TextX, textHeight };
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painter->drawText(textRect, Qt::AlignLeft | Qt::AlignVCenter, text);
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painter->restore();
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}
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QSize EditorPreferencesTreeWidgetItemDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const
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{
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return QStyledItemDelegate::sizeHint(option, index);
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}
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#include <moc_EditorPreferencesTreeWidgetItemDelegate.cpp>
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