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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
****************************************************************************/
#pragma once
#include "utils_global.h"
#include "itemviews.h"
QT_BEGIN_NAMESPACE
class QSettings;
QT_END_NAMESPACE
namespace Utils {
namespace Internal { class BaseTreeViewPrivate; }
class QTCREATOR_UTILS_EXPORT BaseTreeView : public TreeView
{
Q_OBJECT
public:
enum {
ExtraIndicesForColumnWidth = 12734,
ItemViewEventRole = Qt::UserRole + 12735,
ItemActivatedRole,
ItemClickedRole,
ItemDelegateRole,
};
BaseTreeView(QWidget *parent = nullptr);
~BaseTreeView() override;
void setSettings(QSettings *settings, const QByteArray &key);
void setModel(QAbstractItemModel *model) override;
void mousePressEvent(QMouseEvent *ev) override;
void mouseMoveEvent(QMouseEvent *ev) override;
void mouseReleaseEvent(QMouseEvent *ev) override;
void contextMenuEvent(QContextMenuEvent *ev) override;
void showEvent(QShowEvent *ev) override;
void keyPressEvent(QKeyEvent *ev) override;
void dragEnterEvent(QDragEnterEvent *ev) override;
void dropEvent(QDropEvent *ev) override;
void dragMoveEvent(QDragMoveEvent *ev) override;
void mouseDoubleClickEvent(QMouseEvent *ev) override;
void resizeEvent(QResizeEvent *event) override;
void showProgressIndicator();
void hideProgressIndicator();
void resizeColumns();
int spanColumn() const;
void setSpanColumn(int column);
// In some situations this needs to be called when manually resizing columns when the span
// column is set.
void refreshSpanColumn();
signals:
void aboutToShow();
private:
void rowActivated(const QModelIndex &index);
void rowClicked(const QModelIndex &index);
Internal::BaseTreeViewPrivate *d;
};
template <typename Event> struct EventCode;
template <> struct EventCode<QDragEnterEvent> { enum { code = QEvent::DragEnter }; };
template <> struct EventCode<QDragLeaveEvent> { enum { code = QEvent::DragLeave }; };
template <> struct EventCode<QDragMoveEvent> { enum { code = QEvent::DragMove }; };
template <> struct EventCode<QDropEvent> { enum { code = QEvent::Drop }; };
template <> struct EventCode<QContextMenuEvent> { enum { code = QEvent::ContextMenu }; };
template <> struct EventCode<QMouseEvent> { enum { code = QEvent::MouseButtonPress }; };
template <> struct EventCode<QKeyEvent> { enum { code = QEvent::KeyPress }; };
template <class T> T *checkEventType(QEvent *ev)
{
const int cc = EventCode<T>::code;
const int tt = ev->type();
if (cc == tt)
return static_cast<T *>(ev);
if (cc == QEvent::MouseButtonPress) {
if (tt == QEvent::MouseButtonDblClick || tt == QEvent::MouseButtonRelease || tt == QEvent::MouseMove)
return static_cast<T *>(ev);
}
if (cc == QEvent::KeyPress && tt == QEvent::KeyRelease)
return static_cast<T *>(ev);
return nullptr;
}
class QTCREATOR_UTILS_EXPORT ItemViewEvent
{
public:
ItemViewEvent() = default;
ItemViewEvent(QEvent *ev, QAbstractItemView *view);
template <class T> T *as() const {
return checkEventType<T>(m_event);
}
template <class T> T *as(QEvent::Type t) const {
return m_event->type() == t ? as<T>() : nullptr;
}
QEvent::Type type() const { return m_event->type(); }
QWidget *view() const { return m_view; }
QPoint pos() const { return m_pos; }
QPoint globalPos() const { return m_view->mapToGlobal(m_pos); }
QModelIndex index() const { return m_index; }
QModelIndex sourceModelIndex() const { return m_sourceModelIndex; }
QModelIndexList selectedRows() const { return m_selectedRows; }
QModelIndexList currentOrSelectedRows() const;
private:
QEvent *m_event = nullptr;
QWidget *m_view = nullptr;
QPoint m_pos;
QModelIndex m_index;
QModelIndex m_sourceModelIndex;
QModelIndexList m_selectedRows;
};
} // namespace Utils
Q_DECLARE_METATYPE(Utils::ItemViewEvent);
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