blob: f868d365d2b26a473572f9b1f276435ae3520a0d (
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
52
53
54
55
56
57
58
59
60
61
62
63
|
// Copyright (C) 2016 Jochen Becher
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include <QGraphicsItem>
QT_FORWARD_DECLARE_CLASS(QPainterPath)
namespace qmt {
class IWindable;
class PathSelectionItem : public QGraphicsItem
{
class GraphicsHandleItem;
friend class GraphicsHandleItem;
enum HandleStatus {
Press,
Move,
Release,
Cancel
};
enum HandleQualifier {
None,
DeleteHandle
};
public:
explicit PathSelectionItem(IWindable *windable, QGraphicsItem *parent = nullptr);
~PathSelectionItem() override;
QRectF boundingRect() const override;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
QPainterPath shape() const override;
QSizeF pointSize() const { return m_pointSize; }
void setPointSize(const QSizeF &size);
QList<QPointF> points() const;
void setPoints(const QList<QPointF> &points);
void setSecondarySelected(bool secondarySelected);
protected:
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
private:
bool isEndHandle(int pointIndex) const;
void update();
void moveHandle(int pointIndex, const QPointF &deltaMove, HandleStatus handleStatus,
HandleQualifier handleQualifier);
void keyPressed(int pointIndex, QKeyEvent *event, const QPointF &pos);
IWindable *m_windable = nullptr;
QSizeF m_pointSize;
bool m_isSecondarySelected = false;
QList<GraphicsHandleItem *> m_handles;
GraphicsHandleItem *m_focusHandleItem = nullptr;
QPointF m_originalHandlePos;
};
} // namespace qmt
|
