974c210835
- Renamed LICENSE.LGPL to LICENSE.LGPLv21 - Added LICENSE.LGPLv3 - Removed LICENSE.GPL Change-Id: Iec3406e3eb3f133be549092015cefe33d259a3f2 Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
130 lines
4.5 KiB
C++
130 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Thorbjørn Martsum - tmartsum[at]gmail.com
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QGridLayout>
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#include <QFormLayout>
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#include <QStackedLayout>
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#include <QPushButton>
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#include <QLabel>
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#include <QApplication>
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class ReplaceButton : public QPushButton
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{
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Q_OBJECT
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public:
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ReplaceButton(const QString &text = QString("click to replace")) : QPushButton(text)
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{
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static int v = 0;
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++v;
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QString txt = QString("click to replace %1").arg(v);
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setText(txt);
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connect(this, SIGNAL(clicked()), this, SLOT(replace()));
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}
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protected slots:
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void replace()
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{
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if (!parentWidget())
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return;
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static int n = 0;
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++n;
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if (parentWidget()->layout()->replaceWidget(this, new QLabel(QString("replaced(%1)").arg(n))))
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deleteLater();
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}
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};
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class StackButtonChange : public QPushButton
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{
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Q_OBJECT
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public:
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StackButtonChange(QStackedLayout *l) : QPushButton("stack wdg change")
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{
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sl = l;
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connect(this, SIGNAL(clicked()), this, SLOT(changeWdg()));
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}
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protected slots:
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void changeWdg()
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{
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int index = sl->indexOf(sl->currentWidget());
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++index;
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if (index >= sl->count())
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index = 0;
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sl->setCurrentWidget(sl->itemAt(index)->widget());
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sl->parentWidget()->update();
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}
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protected:
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QStackedLayout *sl;
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};
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int main(int argc, char **argv) {
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QApplication app(argc, argv);
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QWidget wdg1;
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QGridLayout *l1 = new QGridLayout();
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l1->addWidget(new ReplaceButton(), 1, 1, 2, 2, Qt::AlignCenter);
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l1->addWidget(new ReplaceButton(), 3, 1, 1, 1, Qt::AlignRight);
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l1->addWidget(new ReplaceButton(), 1, 3, 1, 1, Qt::AlignLeft);
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l1->addWidget(new ReplaceButton(), 2, 3, 1, 1, Qt::AlignLeft);
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l1->addWidget(new ReplaceButton(), 3, 2, 1, 1, Qt::AlignRight);
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wdg1.setLayout(l1);
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wdg1.setWindowTitle("QGridLayout");
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wdg1.setGeometry(100, 100, 100, 100);
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wdg1.show();
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QWidget wdg2;
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QFormLayout *l2 = new QFormLayout();
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l2->addRow(QString("Label1"), new ReplaceButton());
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l2->addRow(QString("Label2"), new ReplaceButton());
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l2->addRow(new ReplaceButton(), new ReplaceButton());
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wdg2.setLayout(l2);
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wdg2.setWindowTitle("QFormLayout");
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wdg2.setGeometry(100 + wdg1.sizeHint().width() + 5, 100, 100, 100);
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wdg2.show();
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QWidget wdg3;
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QBoxLayout *l3 = new QVBoxLayout(); // new QHBoxLayout()
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QStackedLayout *sl = new QStackedLayout();
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sl->addWidget(new ReplaceButton());
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sl->addWidget(new ReplaceButton());
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sl->addWidget(new ReplaceButton());
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l3->addLayout(sl);
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l3->addWidget(new StackButtonChange(sl));
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l3->addWidget(new ReplaceButton());
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l3->addWidget(new ReplaceButton());
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wdg3.setLayout(l3);
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wdg3.setWindowTitle("QStackedLayout + BoxLayout");
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wdg3.setGeometry(100, 100 + wdg1.sizeHint().height() + 30, 100 , 100);
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wdg3.show();
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app.exec();
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}
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#include "main.moc"
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