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
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "testwidget.h"
#include "elidedlabel.h"
#include <QLabel>
#include <QPushButton>
#include <QSizePolicy>
#include <QGridLayout>
//! [0]
TestWidget::TestWidget(QWidget *parent):
QWidget(parent)
{
const QString romeo = tr(
"But soft, what light through yonder window breaks? / "
"It is the east, and Juliet is the sun. / "
"Arise, fair sun, and kill the envious moon, / "
"Who is already sick and pale with grief / "
"That thou, her maid, art far more fair than she."
);
const QString macbeth = tr(
"To-morrow, and to-morrow, and to-morrow, / "
"Creeps in this petty pace from day to day, / "
"To the last syllable of recorded time; / "
"And all our yesterdays have lighted fools / "
"The way to dusty death. Out, out, brief candle! / "
"Life's but a walking shadow, a poor player, / "
"That struts and frets his hour upon the stage, / "
"And then is heard no more. It is a tale / "
"Told by an idiot, full of sound and fury, / "
"Signifying nothing."
);
const QString harry = tr("Feeling lucky, punk?");
textSamples << romeo << macbeth << harry;
//! [0]
//! [1]
sampleIndex = 0;
elidedText = new ElidedLabel(textSamples[sampleIndex], this);
elidedText->setFrameStyle(QFrame::Box);
//! [1]
//! [2]
QPushButton *switchButton = new QPushButton(tr("Switch text"));
connect(switchButton, SIGNAL(clicked(bool)), this, SLOT(switchText()));
QPushButton *exitButton = new QPushButton(tr("Exit"));
connect(exitButton, SIGNAL(clicked(bool)), this, SLOT(close()));
QLabel *label = new QLabel(tr("Elided"));
label->setVisible(elidedText->isElided());
connect(elidedText, SIGNAL(elisionChanged(bool)), label, SLOT(setVisible(bool)));
//! [2]
//! [3]
widthSlider = new QSlider(Qt::Horizontal);
widthSlider->setMinimum(0);
connect(widthSlider, SIGNAL(valueChanged(int)), this, SLOT(onWidthChanged(int)));
heightSlider = new QSlider(Qt::Vertical);
heightSlider->setInvertedAppearance(true);
heightSlider->setMinimum(0);
connect(heightSlider, SIGNAL(valueChanged(int)), this, SLOT(onHeightChanged(int)));
//! [3]
//! [4]
QGridLayout *layout = new QGridLayout();
layout->addWidget(label, 0, 1, Qt::AlignCenter);
layout->addWidget(switchButton, 0, 2);
layout->addWidget(exitButton, 0, 3);
layout->addWidget(widthSlider, 1, 1, 1, 3);
layout->addWidget(heightSlider, 2, 0);
layout->addWidget(elidedText, 2, 1, 1, 3, Qt::AlignTop | Qt::AlignLeft);
setLayout(layout);
//! [4]
//! [5]
#ifdef Q_WS_MAEMO_5
setAttribute(Qt::WA_Maemo5AutoOrientation, true);
#endif
}
//! [5]
//! [6]
void TestWidget::resizeEvent(QResizeEvent *event)
{
Q_UNUSED(event)
int maxWidth = widthSlider->width();
widthSlider->setMaximum(maxWidth);
widthSlider->setValue(maxWidth / 2);
int maxHeight = heightSlider->height();
heightSlider->setMaximum(maxHeight);
heightSlider->setValue(maxHeight / 2);
elidedText->setFixedSize(widthSlider->value(), heightSlider->value());
}
//! [6]
//! [7]
void TestWidget::switchText()
{
sampleIndex = (sampleIndex + 1) % textSamples.size();
elidedText->setText(textSamples.at(sampleIndex));
}
//! [7]
//! [8]
void TestWidget::onWidthChanged(int width)
{
elidedText->setFixedWidth(width);
}
void TestWidget::onHeightChanged(int height)
{
elidedText->setFixedHeight(height);
}
//! [8]
|
