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Diffstat (limited to 'examples/activeqt/hierarchy/objects.cpp')
-rw-r--r-- | examples/activeqt/hierarchy/objects.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/examples/activeqt/hierarchy/objects.cpp b/examples/activeqt/hierarchy/objects.cpp new file mode 100644 index 0000000..c3928b5 --- /dev/null +++ b/examples/activeqt/hierarchy/objects.cpp @@ -0,0 +1,108 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "objects.h" +#include <QLayout> +#include <QPainter> + +/* Implementation of QParentWidget */ +//! [0] +QParentWidget::QParentWidget(QWidget *parent) +: QWidget(parent) +{ + vbox = new QVBoxLayout(this); +} + +//! [0] //! [1] +void QParentWidget::createSubWidget(const QString &name) +{ + QSubWidget *sw = new QSubWidget(this, name); + vbox->addWidget(sw); + sw->setLabel(name); + sw->show(); +} + +//! [1] //! [2] +QSubWidget *QParentWidget::subWidget(const QString &name) +{ + return qFindChild<QSubWidget*>(this, name); +} + +//! [2] +QSize QParentWidget::sizeHint() const +{ + return QWidget::sizeHint().expandedTo(QSize(100, 100)); +} + +/* Implementation of QSubWidget */ +//! [3] +QSubWidget::QSubWidget(QWidget *parent, const QString &name) +: QWidget(parent) +{ + setObjectName(name); +} + +void QSubWidget::setLabel(const QString &text) +{ + lbl = text; + setObjectName(text); + update(); +} + +QString QSubWidget::label() const +{ + return lbl; +} + +QSize QSubWidget::sizeHint() const +{ + QFontMetrics fm(font()); + return QSize(fm.width(lbl), fm.height()); +} + +void QSubWidget::paintEvent(QPaintEvent *) +{ + QPainter painter(this); + painter.setPen(palette().text().color()); + painter.drawText(rect(), Qt::AlignCenter, lbl); +//! [3] //! [4] +} +//! [4] |