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| |
| #include "objects.h" |
| #include <QLayout> |
| #include <QPainter> |
| |
| /* Implementation of QParentWidget */ |
| //! [0] |
| QParentWidget::QParentWidget(QWidget *parent) |
| : QWidget(parent), |
| m_vbox(new QVBoxLayout(this)) |
| { |
| } |
| |
| //! [0] //! [1] |
| void QParentWidget::createSubWidget(const QString &name) |
| { |
| QSubWidget *sw = new QSubWidget(this, name); |
| m_vbox->addWidget(sw); |
| sw->setLabel(name); |
| sw->show(); |
| } |
| |
| //! [1] //! [2] |
| QSubWidget *QParentWidget::subWidget(const QString &name) |
| { |
| return findChild<QSubWidget *>(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) |
| { |
| m_label = text; |
| setObjectName(text); |
| update(); |
| } |
| |
| QString QSubWidget::label() const |
| { |
| return m_label; |
| } |
| |
| QSize QSubWidget::sizeHint() const |
| { |
| QFontMetrics fm(font()); |
| return QSize(fm.horizontalAdvance(m_label), fm.height()); |
| } |
| |
| void QSubWidget::paintEvent(QPaintEvent *) |
| { |
| QPainter painter(this); |
| painter.setPen(palette().text().color()); |
| painter.drawText(rect(), Qt::AlignCenter, m_label); |
| //! [3] //! [4] |
| } |
| //! [4] |