aboutsummaryrefslogtreecommitdiffstats
path: root/src/libs/modelinglib/qmt/diagram_scene/capabilities/latchable.h
blob: 746fc075ae4be60c4d61a03a8056d15720099176 (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
// Copyright (C) 2016 Jochen Becher
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0

#pragma once

#include <QList>

namespace qmt {

class ILatchable
{
public:
    enum Action {
        Move,
        ResizeLeft,
        ResizeTop,
        ResizeRight,
        ResizeBottom
    };

    enum LatchType {
        None,
        Left,
        Top,
        Right,
        Bottom,
        Hcenter,
        Vcenter
    };

    class Latch
    {
    public:
        Latch() = default;

        Latch(LatchType latchType, qreal pos, qreal otherPos1, qreal otherPos2,
              const QString &identifier)
            : m_latchType(latchType),
              m_pos(pos),
              m_otherPos1(otherPos1),
              m_otherPos2(otherPos2),
              m_identifier(identifier)
        {
        }

        LatchType m_latchType = LatchType::None;
        qreal m_pos = 0.0;
        qreal m_otherPos1 = 0.0;
        qreal m_otherPos2 = 0.0;
        QString m_identifier;
    };

    virtual ~ILatchable() {}

    virtual Action horizontalLatchAction() const = 0;
    virtual Action verticalLatchAction() const = 0;
    virtual QList<Latch> horizontalLatches(Action action, bool grabbedItem) const = 0;
    virtual QList<Latch> verticalLatches(Action action, bool grabbedItem) const = 0;
};

} // namespace qmt