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
180
181
182
183
184
185
186
187
|
/*
Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "qwebinspector.h"
#include "Element.h"
#include "InspectorController.h"
#include "qwebelement.h"
#include "qwebinspector_p.h"
#include "qwebpage_p.h"
#include <QResizeEvent>
/*!
\class QWebInspector
\since 4.6
\brief The QWebInspector class allows the placement and control of a
QWebPage's inspector.
The inspector allows you to see a page current hierarchy and loading
statistics.
The QWebPage to be inspected is determined with the setPage() method.
A typical use of QWebInspector follows:
\snippet webkitsnippets/qtwebkit_qwebinspector_snippet.cpp 0
\note A QWebInspector will display a blank widget if either:
\list
\o page() is null
\o QWebSettings::DeveloperExtrasEnabled is false
\endlist
\section1 Resources
This class acts mostly as a container and a controller for the inspector.
Most of the resources needed by the inspector are owned by the associated
QWebPage and are allocated the first time that:
\list
\o an element is inspected
\o the QWebInspector is shown.
\endlist
\section1 Inspector configuration persistence
The inspector allows the user to configure some options through its
interface (e.g. the resource tracking "Always enable" option).
These settings are persisted automatically by QtWebKit using QSettings.
However since the QSettings object is instantiated using the empty
constructor, QCoreApplication::setOrganizationName() and
QCoreApplication::setApplicationName() must be called within your
application to enable the persistence of these options.
*/
/*!
Constructs an empty QWebInspector with parent \a parent.
*/
QWebInspector::QWebInspector(QWidget* parent)
: QWidget(parent)
, d(new QWebInspectorPrivate(this))
{
}
/*!
Destroys the inspector.
*/
QWebInspector::~QWebInspector()
{
// Remove association principally to prevent deleting a child frontend
setPage(0);
}
/*!
Sets the QWebPage to be inspected.
There can only be one QWebInspector associated with a QWebPage
and vices versa.
Calling with \a page as null will break the current association, if any.
If \a page is already associated to another QWebInspector, the association
will be replaced and the previous QWebInspector will have no page
associated.
\sa page()
*/
void QWebInspector::setPage(QWebPage* page)
{
if (d->page) {
// Break currentPage-->this
d->page->d->setInspector(0);
}
if (page && page->d->inspector && page->d->inspector != this) {
// Break newPage<->newPageCurrentInspector
page->d->inspector->setPage(0);
}
d->page = page;
if (page) {
// Setup the reciprocal association
page->d->setInspector(this);
}
}
/*!
Returns the inspected QWebPage.
If no web page is currently associated, a null pointer is returned.
*/
QWebPage* QWebInspector::page() const
{
return d->page;
}
/*! \reimp */
QSize QWebInspector::sizeHint() const
{
return QSize(450, 300);
}
/*! \reimp */
bool QWebInspector::event(QEvent* ev)
{
if (ev->type() == QEvent::Close && d->page)
d->page->d->inspectorController()->setWindowVisible(false);
return QWidget::event(ev);
}
/*! \reimp */
void QWebInspector::resizeEvent(QResizeEvent* event)
{
d->adjustFrontendSize(event->size());
}
/*! \reimp */
void QWebInspector::showEvent(QShowEvent* event)
{
// Allows QWebInspector::show() to init the inspector.
if (d->page)
d->page->d->inspectorController()->show();
}
/*! \reimp */
void QWebInspector::hideEvent(QHideEvent* event)
{
}
/*! \internal */
void QWebInspectorPrivate::setFrontend(QWidget* newFrontend)
{
if (frontend)
frontend->setParent(0);
frontend = newFrontend;
if (frontend) {
frontend->setParent(q);
frontend->show();
adjustFrontendSize(q->size());
}
}
void QWebInspectorPrivate::adjustFrontendSize(const QSize& size)
{
if (frontend)
frontend->resize(size);
}
|
