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Diffstat (limited to 'examples/widgets/elidedlabel/testwidget.cpp')
| -rw-r--r-- | examples/widgets/elidedlabel/testwidget.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/examples/widgets/elidedlabel/testwidget.cpp b/examples/widgets/elidedlabel/testwidget.cpp new file mode 100644 index 0000000..79a47f0 --- /dev/null +++ b/examples/widgets/elidedlabel/testwidget.cpp @@ -0,0 +1,164 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** 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 Nokia Corporation and its Subsidiary(-ies) 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] + + |