blob: 4fc07df48068814046c6eb5de4910d837be52a1d (
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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "tracing_global.h"
#include "flamegraphattached.h"
#include <QAbstractItemModel>
#include <QQuickItem>
#include <QtQml/qqml.h>
namespace FlameGraph {
class TRACING_EXPORT FlameGraph : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(QQmlComponent* delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
Q_PROPERTY(QAbstractItemModel* model READ model WRITE setModel NOTIFY modelChanged)
Q_PROPERTY(int sizeRole READ sizeRole WRITE setSizeRole NOTIFY sizeRoleChanged)
Q_PROPERTY(qreal sizeThreshold READ sizeThreshold WRITE setSizeThreshold
NOTIFY sizeThresholdChanged)
Q_PROPERTY(int maximumDepth READ maximumDepth WRITE setMaximumDepth
NOTIFY maximumDepthChanged)
Q_PROPERTY(int depth READ depth NOTIFY depthChanged)
Q_PROPERTY(QPersistentModelIndex root READ root WRITE setRoot NOTIFY rootChanged)
Q_PROPERTY(bool zoomed READ isZoomed NOTIFY rootChanged)
Q_PROPERTY(int selectedTypeId READ selectedTypeId WRITE setSelectedTypeId
NOTIFY selectedTypeIdChanged)
QML_ELEMENT
public:
FlameGraph(QQuickItem *parent = nullptr);
QQmlComponent *delegate() const;
void setDelegate(QQmlComponent *delegate);
QAbstractItemModel *model() const;
void setModel(QAbstractItemModel *model);
int sizeRole() const;
void setSizeRole(int sizeRole);
qreal sizeThreshold() const;
void setSizeThreshold(qreal sizeThreshold);
int depth() const;
int maximumDepth() const
{
return m_maximumDepth;
}
void setMaximumDepth(int maximumDepth)
{
if (maximumDepth != m_maximumDepth) {
m_maximumDepth = maximumDepth;
emit maximumDepthChanged();
}
}
QPersistentModelIndex root() const
{
return m_root;
}
bool isZoomed() const
{
return m_root.isValid();
}
void setRoot(const QPersistentModelIndex &root)
{
if (root != m_root) {
m_root = root;
emit rootChanged(root);
}
}
Q_INVOKABLE void resetRoot()
{
setRoot(QModelIndex());
}
Q_INVOKABLE QVariant total(int role) const
{
return m_model ? m_model->data(m_root, role) : QVariant();
}
static FlameGraphAttached *qmlAttachedProperties(QObject *object);
int selectedTypeId() const
{
return m_selectedTypeId;
}
void setSelectedTypeId(int selectedTypeId)
{
if (m_selectedTypeId == selectedTypeId)
return;
m_selectedTypeId = selectedTypeId;
emit selectedTypeIdChanged(m_selectedTypeId);
}
signals:
void delegateChanged(QQmlComponent *delegate);
void modelChanged(QAbstractItemModel *model);
void sizeRoleChanged(int role);
void sizeThresholdChanged(qreal threshold);
void depthChanged(int depth);
void maximumDepthChanged();
void rootChanged(const QPersistentModelIndex &root);
void selectedTypeIdChanged(int selectedTypeId);
private:
void rebuild();
QQmlComponent *m_delegate = nullptr;
QAbstractItemModel *m_model = nullptr;
QPersistentModelIndex m_root;
int m_sizeRole = 0;
int m_depth = 0;
qreal m_sizeThreshold = 0;
int m_maximumDepth = std::numeric_limits<int>::max();
int m_selectedTypeId = -1;
int buildNode(const QModelIndex &parentIndex, QObject *parentObject, int depth,
int maximumDepth);
QObject *appendChild(QObject *parentObject, QQuickItem *parentItem, QQmlContext *context,
const QModelIndex &childIndex, qreal position, qreal size);
void mousePressEvent(QMouseEvent *event) final;
void mouseReleaseEvent(QMouseEvent *event) final;
void mouseDoubleClickEvent(QMouseEvent *event) final;
};
} // namespace FlameGraph
QML_DECLARE_TYPEINFO(FlameGraph::FlameGraph, QML_HAS_ATTACHED_PROPERTIES)
|
