qelectrotech-source-mirror/sources/elementtextsmover.h
Laurent Trinques 77bfe84a4c One year
2025-01-04 13:37:40 +01:00

62 lines
1.7 KiB
C++

/*
Copyright 2006-2025 The QElectroTech Team
This file is part of QElectroTech.
QElectroTech is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
QElectroTech is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ELEMENT_TEXTS_MOVER_H
#define ELEMENT_TEXTS_MOVER_H
#include <QSet>
#include <QPointF>
#include <QHash>
class QGraphicsItem;
class DiagramTextItem;
class Diagram;
class QGraphicsItemGroup;
class QGraphicsSceneMouseEvent;
/**
This class manages the interactive movement of element text items on a
particular diagram.
*/
class ElementTextsMover
{
public:
ElementTextsMover();
private:
ElementTextsMover(const ElementTextsMover &);
public:
bool isReady() const;
int beginMovement(Diagram *diagram, QGraphicsItem *driver_item = nullptr);
void continueMovement(QGraphicsSceneMouseEvent *event);
void endMovement();
private:
QString undoText() const;
private:
bool m_movement_running = false;
Diagram *m_diagram = nullptr;
QGraphicsItem *m_movement_driver = nullptr;
QHash <DiagramTextItem *, QPointF> m_texts_hash;
QHash <QGraphicsItemGroup *, QPointF> m_grps_hash;
QHash <QGraphicsItem *, QPointF> m_items_hash;
int m_text_count = 0,
m_group_count = 0;
};
#endif