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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Design Tooling
**
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
****************************************************************************/
#include "treeitemdelegate.h"
#include "treeitem.h"
#include <QApplication>
#include <QEvent>
#include <QMouseEvent>
#include <QPainter>
namespace DesignTools {
TreeItemDelegate::TreeItemDelegate(const CurveEditorStyle &style, QObject *parent)
: QStyledItemDelegate(parent)
, m_style(style)
{}
QSize TreeItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
return QStyledItemDelegate::sizeHint(option, index);
}
QRect makeSquare(const QRect &rect)
{
int size = rect.width() > rect.height() ? rect.height() : rect.width();
QRect r(QPoint(0, 0), QSize(size, size));
r.moveCenter(rect.center());
return r;
}
QPixmap pixmapFromStyle(int column, const CurveEditorStyle &style, const QRect &rect, TreeItem *item, bool underMouse)
{
QColor color = underMouse ? style.iconHoverColor : style.iconColor;
if (column == 1) {
bool locked = item->locked();
if (underMouse)
locked = !locked;
if (locked)
return pixmapFromIcon(style.treeItemStyle.lockedIcon, rect.size(), color);
else
return pixmapFromIcon(style.treeItemStyle.unlockedIcon, rect.size(), color);
}
bool pinned = item->pinned();
if (underMouse)
pinned = !pinned;
if (pinned)
return pixmapFromIcon(style.treeItemStyle.pinnedIcon, rect.size(), color);
else
return pixmapFromIcon(style.treeItemStyle.unpinnedIcon, rect.size(), color);
}
void TreeItemDelegate::paint(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
if (index.column() == 1 || index.column() == 2) {
QStyleOptionViewItem opt = option;
initStyleOption(&opt, index);
auto *treeItem = static_cast<TreeItem *>(index.internalPointer());
QPoint mousePos = QCursor::pos();
mousePos = option.widget->mapFromGlobal(mousePos);
QRect iconRect = makeSquare(option.rect);
bool underMouse = option.rect.contains(m_mousePos)
&& option.state & QStyle::State_MouseOver;
QStyle *style = opt.widget ? opt.widget->style() : QApplication::style();
style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget);
QPixmap pixmap = pixmapFromStyle(index.column(), m_style, iconRect, treeItem, underMouse);
painter->drawPixmap(iconRect, pixmap);
} else {
QStyledItemDelegate::paint(painter, option, index);
}
}
void TreeItemDelegate::setStyle(const CurveEditorStyle &style)
{
m_style = style;
}
bool TreeItemDelegate::editorEvent(QEvent *event,
QAbstractItemModel *model,
const QStyleOptionViewItem &option,
const QModelIndex &index)
{
if (event->type() == QEvent::MouseMove)
m_mousePos = static_cast<QMouseEvent *>(event)->pos();
return QStyledItemDelegate::editorEvent(event, model, option, index);
}
} // End namespace DesignTools.
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