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
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the demos of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "AddressBar.h"
#include <QtCore>
#include <QtGui>
class LineEdit: public QLineEdit
{
public:
LineEdit(QWidget *parent = 0): QLineEdit(parent) {}
void paintEvent(QPaintEvent *event) {
QLineEdit::paintEvent(event);
if (text().isEmpty()) {
QPainter p(this);
int flags = Qt::AlignLeft | Qt::AlignVCenter;
p.setPen(palette().color(QPalette::Disabled, QPalette::Text));
p.drawText(rect().adjusted(10, 0, 0, 0), flags, "Enter address or search terms");
p.end();
}
}
};
AddressBar::AddressBar(QWidget *parent)
: QWidget(parent)
{
m_lineEdit = new LineEdit(parent);
connect(m_lineEdit, SIGNAL(returnPressed()), SLOT(processAddress()));
m_toolButton = new QToolButton(parent);
m_toolButton->setText("Go");
connect(m_toolButton, SIGNAL(clicked()), SLOT(processAddress()));
}
QSize AddressBar::sizeHint() const
{
return m_lineEdit->sizeHint();
}
void AddressBar::processAddress()
{
if (!m_lineEdit->text().isEmpty())
emit addressEntered(m_lineEdit->text());
}
void AddressBar::resizeEvent(QResizeEvent *event)
{
int x, y, w, h;
m_toolButton->adjustSize();
x = width() - m_toolButton->width();
y = 0;
w = m_toolButton->width();
h = height() - 1;
m_toolButton->setGeometry(x, y, w, h);
m_toolButton->show();
x = 0;
y = 0;
w = width() - m_toolButton->width();
h = height() - 1;
m_lineEdit->setGeometry(x, y, w, h);
m_lineEdit->show();
}
void AddressBar::focusInEvent(QFocusEvent *event)
{
m_lineEdit->setFocus();
QWidget::focusInEvent(event);
}
|
