summaryrefslogtreecommitdiffstats
path: root/tools/qmldebugger/standalone/engine.cpp
blob: f1eada8ae77ba7b368cc09545af3a4601cea6cd4 (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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QSplitter>
#include <QTabWidget>
#include <QFile>

#include <private/qmlenginedebug_p.h>
#include <QtDeclarative/qmldebugclient.h>
#include <QtDeclarative/qmlcomponent.h>
#include <QtDeclarative/qfxitem.h>
#include <QtDeclarative/qmldebugservice.h>

#include "engine.h"
#include "objectpropertiesview.h"
#include "expressionquerywidget.h"
#include "objecttree.h"
#include "watchtable.h"

QT_BEGIN_NAMESPACE


class DebuggerEngineItem : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QString name READ name CONSTANT);
    Q_PROPERTY(int engineId READ engineId CONSTANT);

public:
    DebuggerEngineItem(const QString &name, int id)
    : m_name(name), m_engineId(id) {}

    QString name() const { return m_name; }
    int engineId() const { return m_engineId; }

private:
    QString m_name;
    int m_engineId;
};

EnginePane::EnginePane(QmlDebugConnection *conn, QWidget *parent)
: QWidget(parent), m_client(new QmlEngineDebug(conn, this)), m_engines(0), m_context(0), m_watchTableModel(0), m_exprQueryWidget(0)
{
    QVBoxLayout *layout = new QVBoxLayout(this);
    layout->setContentsMargins(0, 0, 0, 0);

    QFile enginesFile(":/engines.qml");
    enginesFile.open(QFile::ReadOnly);
    Q_ASSERT(enginesFile.isOpen());

    m_engineView = new QmlView(this);
    m_engineView->rootContext()->setContextProperty("engines", qVariantFromValue(&m_engineItems));
    m_engineView->setContentResizable(true);
    m_engineView->setQml(enginesFile.readAll());
    m_engineView->execute();
    m_engineView->setFixedHeight(100);
    QObject::connect(m_engineView->root(), SIGNAL(engineClicked(int)),
                     this, SLOT(engineSelected(int)));
    QObject::connect(m_engineView->root(), SIGNAL(refreshEngines()),
                     this, SLOT(refreshEngines()));

    m_engineView->setVisible(false);
    layout->addWidget(m_engineView);

    QSplitter *splitter = new QSplitter;

    m_objTree = new ObjectTree(m_client, this);
    m_propertiesView = new ObjectPropertiesView(m_client);
    m_watchTableModel = new WatchTableModel(m_client, this);

    m_watchTableView = new WatchTableView(m_watchTableModel);
    m_watchTableView->setModel(m_watchTableModel);
    WatchTableHeaderView *header = new WatchTableHeaderView(m_watchTableModel);
    m_watchTableView->setHorizontalHeader(header);

    connect(m_objTree, SIGNAL(currentObjectChanged(QmlDebugObjectReference)),
            m_propertiesView, SLOT(reload(QmlDebugObjectReference)));
    connect(m_objTree, SIGNAL(expressionWatchRequested(QmlDebugObjectReference,QString)),
            m_watchTableModel, SLOT(expressionWatchRequested(QmlDebugObjectReference,QString)));

    connect(m_propertiesView, SIGNAL(activated(QmlDebugObjectReference,QmlDebugPropertyReference)),
            m_watchTableModel, SLOT(togglePropertyWatch(QmlDebugObjectReference,QmlDebugPropertyReference)));

    connect(m_watchTableModel, SIGNAL(watchCreated(QmlDebugWatch*)),
            m_propertiesView, SLOT(watchCreated(QmlDebugWatch*)));

    connect(m_watchTableView, SIGNAL(objectActivated(int)),
            m_objTree, SLOT(setCurrentObject(int)));
    
    m_exprQueryWidget = new ExpressionQueryWidget(ExpressionQueryWidget::SeparateEntryMode, m_client);
    connect(m_objTree, SIGNAL(currentObjectChanged(QmlDebugObjectReference)),
            m_exprQueryWidget, SLOT(setCurrentObject(QmlDebugObjectReference)));
    
    QSplitter *propertiesTab = new QSplitter(Qt::Vertical);
    propertiesTab->addWidget(m_propertiesView);
    propertiesTab->addWidget(m_exprQueryWidget);
    propertiesTab->setStretchFactor(0, 2);
    propertiesTab->setStretchFactor(1, 1);
    
    m_tabs = new QTabWidget(this);
    m_tabs->addTab(propertiesTab, tr("Properties"));
    m_tabs->addTab(m_watchTableView, tr("Watched"));

    splitter->addWidget(m_objTree);
    splitter->addWidget(m_tabs);
    splitter->setStretchFactor(1, 2);
    layout->addWidget(splitter);
}

void EnginePane::engineSelected(int id)
{
    qWarning() << "Engine selected" << id;
    queryContext(id);
}

void EnginePane::queryContext(int id)
{
    if (m_context) {
        delete m_context;
        m_context = 0;
    }

    m_context = m_client->queryRootContexts(QmlDebugEngineReference(id), this);
    if (!m_context->isWaiting())
        contextChanged();
    else
        QObject::connect(m_context, SIGNAL(stateChanged(State)),
                         this, SLOT(contextChanged()));
}

void EnginePane::contextChanged()
{
    //dump(m_context->rootContext(), 0);

    foreach (const QmlDebugObjectReference &object, m_context->rootContext().objects())
        m_objTree->reload(object.debugId());

    delete m_context; m_context = 0;
}

void EnginePane::refreshEngines()
{
    if (m_engines)
        return;

    m_engines = m_client->queryAvailableEngines(this);
    if (!m_engines->isWaiting())
        enginesChanged();
    else
        QObject::connect(m_engines, SIGNAL(stateChanged(State)), 
                         this, SLOT(enginesChanged()));
}

void EnginePane::enginesChanged()
{
    qDeleteAll(m_engineItems);
    m_engineItems.clear();

    QList<QmlDebugEngineReference> engines = m_engines->engines();
    delete m_engines; m_engines = 0;

    if (engines.isEmpty())
        qWarning("qmldebugger: no engines found!");

    for (int ii = 0; ii < engines.count(); ++ii)
        m_engineItems << new DebuggerEngineItem(engines.at(ii).name(),
                                                engines.at(ii).debugId());

    m_engineView->rootContext()->setContextProperty("engines", qVariantFromValue(&m_engineItems));

    m_engineView->setVisible(m_engineItems.count() > 1);
    if (m_engineItems.count() == 1)
        engineSelected(qobject_cast<DebuggerEngineItem*>(m_engineItems.at(0))->engineId());
}


#include "engine.moc"

QT_END_NAMESPACE