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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 "treeview.h"
#include "curveeditormodel.h"
#include "curveitem.h"
#include "treeitem.h"
#include "treeitemdelegate.h"
#include <QHeaderView>
#include <QMouseEvent>
namespace DesignTools {
TreeView::TreeView(CurveEditorModel *model, QWidget *parent)
: QTreeView(parent)
{
setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding);
setUniformRowHeights(true);
setRootIsDecorated(false);
setMouseTracking(true);
setHeaderHidden(true);
model->setParent(this);
setModel(model);
auto expandItems = [this]() { expandAll(); };
connect(model, &QAbstractItemModel::modelReset, expandItems);
auto *delegate = new TreeItemDelegate(model->style(), this);
setItemDelegate(delegate);
setSelectionBehavior(QAbstractItemView::SelectRows);
setSelectionMode(QAbstractItemView::ExtendedSelection);
connect(selectionModel(), &QItemSelectionModel::selectionChanged, this, &TreeView::changeSelection);
setStyle(model->style());
header()->setSectionResizeMode(0, QHeaderView::Stretch);
header()->setSectionResizeMode(1, QHeaderView::Fixed);
header()->setSectionResizeMode(2, QHeaderView::Fixed);
header()->setStretchLastSection(false);
header()->resizeSection(1, 20);
header()->resizeSection(2, 20);
}
void TreeView::setStyle(const CurveEditorStyle &style)
{
QPalette pal = palette();
pal.setBrush(QPalette::Base, style.backgroundBrush);
pal.setBrush(QPalette::Button, style.backgroundAlternateBrush);
pal.setBrush(QPalette::Text, style.fontColor);
// Tmp to see what happens on windows/macOS.
pal.setBrush(backgroundRole(), Qt::white);
pal.setBrush(foregroundRole(), Qt::white);
setPalette(pal);
if (auto *delegate = qobject_cast<TreeItemDelegate *>(itemDelegate()))
delegate->setStyle(style);
}
void TreeView::changeCurve(unsigned int id, const AnimationCurve &curve)
{
if (auto *curveModel = qobject_cast<CurveEditorModel *>(model()))
curveModel->setCurve(id, curve);
}
void TreeView::changeSelection(const QItemSelection &selected, const QItemSelection &deselected)
{
Q_UNUSED(selected)
Q_UNUSED(deselected)
std::vector<CurveItem *> curves;
for (auto index : selectedIndexes()) {
if (index.isValid() && index.column() == 0) {
auto *treeItem = static_cast<TreeItem *>(index.internalPointer());
if (auto *propertyItem = treeItem->asPropertyItem())
curves.push_back(new CurveItem(treeItem->id(), propertyItem->curve()));
}
}
emit curvesSelected(curves);
}
QSize TreeView::sizeHint() const
{
return QSize(170, 300);
}
void TreeView::mousePressEvent(QMouseEvent *event)
{
QModelIndex index = indexAt(event->pos());
if (index.isValid()) {
auto *treeItem = static_cast<TreeItem *>(index.internalPointer());
if (index.column() == 1)
treeItem->setLocked(!treeItem->locked());
else if (index.column() == 2)
treeItem->setPinned(!treeItem->pinned());
}
QTreeView::mousePressEvent(event);
}
} // End namespace DesignTools.
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