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50 | |
51 | #include "testwidget.h" |
52 | #include "elidedlabel.h" |
53 | |
54 | #include <QGridLayout> |
55 | #include <QLabel> |
56 | #include <QPushButton> |
57 | |
58 | //! [0] |
59 | TestWidget::TestWidget(QWidget *parent) |
60 | : QWidget(parent) |
61 | { |
62 | const QString romeo = tr( |
63 | s: "But soft, what light through yonder window breaks? / " |
64 | "It is the east, and Juliet is the sun. / " |
65 | "Arise, fair sun, and kill the envious moon, / " |
66 | "Who is already sick and pale with grief / " |
67 | "That thou, her maid, art far more fair than she." |
68 | ); |
69 | |
70 | const QString macbeth = tr( |
71 | s: "To-morrow, and to-morrow, and to-morrow, / " |
72 | "Creeps in this petty pace from day to day, / " |
73 | "To the last syllable of recorded time; / " |
74 | "And all our yesterdays have lighted fools / " |
75 | "The way to dusty death. Out, out, brief candle! / " |
76 | "Life's but a walking shadow, a poor player, / " |
77 | "That struts and frets his hour upon the stage, / " |
78 | "And then is heard no more. It is a tale / " |
79 | "Told by an idiot, full of sound and fury, / " |
80 | "Signifying nothing." |
81 | ); |
82 | |
83 | const QString harry = tr(s: "Feeling lucky, punk?" ); |
84 | |
85 | textSamples << romeo << macbeth << harry; |
86 | //! [0] |
87 | |
88 | //! [1] |
89 | sampleIndex = 0; |
90 | elidedText = new ElidedLabel(textSamples[sampleIndex], this); |
91 | elidedText->setFrameStyle(QFrame::Box); |
92 | //! [1] |
93 | |
94 | //! [2] |
95 | QPushButton *switchButton = new QPushButton(tr(s: "Switch text" )); |
96 | connect(sender: switchButton, signal: &QPushButton::clicked, receiver: this, slot: &TestWidget::switchText); |
97 | |
98 | QPushButton *exitButton = new QPushButton(tr(s: "Exit" )); |
99 | connect(sender: exitButton, signal: &QPushButton::clicked, receiver: this, slot: &TestWidget::close); |
100 | |
101 | QLabel *label = new QLabel(tr(s: "Elided" )); |
102 | label->setVisible(elidedText->isElided()); |
103 | connect(sender: elidedText, signal: &ElidedLabel::elisionChanged, receiver: label, slot: &QLabel::setVisible); |
104 | //! [2] |
105 | |
106 | //! [3] |
107 | widthSlider = new QSlider(Qt::Horizontal); |
108 | widthSlider->setMinimum(0); |
109 | connect(sender: widthSlider, signal: &QSlider::valueChanged, receiver: this, slot: &TestWidget::onWidthChanged); |
110 | |
111 | heightSlider = new QSlider(Qt::Vertical); |
112 | heightSlider->setInvertedAppearance(true); |
113 | heightSlider->setMinimum(0); |
114 | connect(sender: heightSlider, signal: &QSlider::valueChanged, receiver: this, slot: &TestWidget::onHeightChanged); |
115 | //! [3] |
116 | |
117 | //! [4] |
118 | QGridLayout *layout = new QGridLayout; |
119 | layout->addWidget(label, row: 0, column: 1, Qt::AlignCenter); |
120 | layout->addWidget(switchButton, row: 0, column: 2); |
121 | layout->addWidget(exitButton, row: 0, column: 3); |
122 | layout->addWidget(widthSlider, row: 1, column: 1, rowSpan: 1, columnSpan: 3); |
123 | layout->addWidget(heightSlider, row: 2, column: 0); |
124 | layout->addWidget(elidedText, row: 2, column: 1, rowSpan: 1, columnSpan: 3, Qt::AlignTop | Qt::AlignLeft); |
125 | |
126 | setLayout(layout); |
127 | //! [4] |
128 | } |
129 | |
130 | //! [6] |
131 | void TestWidget::resizeEvent(QResizeEvent *event) |
132 | { |
133 | Q_UNUSED(event) |
134 | |
135 | int maxWidth = widthSlider->width(); |
136 | widthSlider->setMaximum(maxWidth); |
137 | widthSlider->setValue(maxWidth / 2); |
138 | |
139 | int maxHeight = heightSlider->height(); |
140 | heightSlider->setMaximum(maxHeight); |
141 | heightSlider->setValue(maxHeight / 2); |
142 | |
143 | elidedText->setFixedSize(w: widthSlider->value(), h: heightSlider->value()); |
144 | } |
145 | //! [6] |
146 | |
147 | //! [7] |
148 | void TestWidget::switchText() |
149 | { |
150 | sampleIndex = (sampleIndex + 1) % textSamples.size(); |
151 | elidedText->setText(textSamples.at(i: sampleIndex)); |
152 | } |
153 | //! [7] |
154 | |
155 | //! [8] |
156 | void TestWidget::onWidthChanged(int width) |
157 | { |
158 | elidedText->setFixedWidth(width); |
159 | } |
160 | |
161 | void TestWidget::onHeightChanged(int height) |
162 | { |
163 | elidedText->setFixedHeight(height); |
164 | } |
165 | //! [8] |
166 | |
167 | |