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
|
/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qquicktooltippopupitem_p_p.h"
#include <QtQuickTemplates2/private/qquickpopup_p.h>
QT_BEGIN_NAMESPACE
QQuickToolTipPopupItemPrivate::QQuickToolTipPopupItemPrivate(QQuickPopup *popup)
: QQuickPopupItemPrivate(popup)
{
}
qreal QQuickToolTipPopupItemPrivate::getContentWidth() const
{
auto textItem = qobject_cast<QQuickText*>(contentItem);
if (textItem)
return textItem->contentWidth();
return contentItem ? contentItem->implicitWidth() : 0;
}
void QQuickToolTipPopupItemPrivate::updateContentWidth()
{
Q_Q(QQuickToolTipPopupItem);
// Don't need to calculate the implicit contentWidth if an explicit one was set.
if (hasContentWidth)
return;
auto textItem = qobject_cast<QQuickText*>(contentItem);
if (!textItem) {
// It's not a Text item, so use the base contentWidth logic (i.e. use implicitWidth).
QQuickPopupItemPrivate::updateContentWidth();
return;
}
const qreal oldContentWidth = contentWidth;
const qreal newContentWidth = textItem->contentWidth();
if (qFuzzyCompare(oldContentWidth, newContentWidth))
return;
contentWidth = newContentWidth;
q->contentSizeChange(QSizeF(contentWidth, contentHeight), QSizeF(oldContentWidth, contentHeight));
emit q->contentWidthChanged();
}
QQuickToolTipPopupItem::QQuickToolTipPopupItem(QQuickPopup *popup)
: QQuickPopupItem(*(new QQuickToolTipPopupItemPrivate(popup)))
{
}
void QQuickToolTipPopupItem::contentItemChange(QQuickItem *newItem, QQuickItem *oldItem)
{
Q_D(QQuickToolTipPopupItem);
QQuickPopupItem::contentItemChange(newItem, oldItem);
// Text's implicitWidth does not account for newlines and hence is too large,
// so we need to listen to contentWidth's change signals.
auto oldTextItem = qobject_cast<QQuickText*>(oldItem);
if (oldTextItem) {
QObjectPrivate::disconnect(oldTextItem, &QQuickText::contentWidthChanged,
d, &QQuickToolTipPopupItemPrivate::updateContentWidth);
}
auto newTextItem = qobject_cast<QQuickText*>(newItem);
if (newTextItem) {
QObjectPrivate::connect(newTextItem, &QQuickText::contentWidthChanged,
d, &QQuickToolTipPopupItemPrivate::updateContentWidth);
}
}
QT_END_NAMESPACE
|
