blob: b779872c07895214817c24595e5ebea314ea3c13 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// Copyright (C) 2016 Jochen Becher
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include <QGraphicsRectItem>
#include "arrowitem.h"
#include <QHash>
namespace qmt {
class DiagramSceneModel;
class IRelationable;
class RelationStarter : public QGraphicsRectItem
{
public:
RelationStarter(IRelationable *owner, DiagramSceneModel *diagramSceneModel,
QGraphicsItem *parent = nullptr);
~RelationStarter() override;
QRectF boundingRect() const override;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget = nullptr) override;
void addArrow(const QString &id, ArrowItem::Shaft shaft, ArrowItem::Head startHead,
ArrowItem::Head endHead,
const QString &toolTip = QString());
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
void keyPressEvent(QKeyEvent *event) override;
void focusOutEvent(QFocusEvent *event) override;
private:
void updateCurrentPreviewArrow(const QPointF &headPoint);
IRelationable *m_owner = nullptr;
DiagramSceneModel *m_diagramSceneModel = nullptr;
QList<ArrowItem *> m_arrows;
QHash<ArrowItem *, QString> m_arrowIds;
ArrowItem *m_currentPreviewArrow = nullptr;
QString m_currentPreviewArrowId;
QList<QPointF> m_currentPreviewArrowIntermediatePoints;
};
} // namespace qmt
|
