C++ (Cpp) QDockWidget::font示例

int QDockWidgetLayout::titleHeight() const
{
    QDockWidget *q = qobject_cast<QDockWidget*>(parentWidget());

    if (QWidget *title = widgetForRole(TitleBar))
        return perp(verticalTitleBar, title->sizeHint());

    QSize closeSize(0, 0);
    QSize floatSize(0, 0);
    if (QLayoutItem *item = item_list[CloseButton])
        closeSize = item->widget()->sizeHint();
    if (QLayoutItem *item = item_list[FloatButton])
        floatSize = item->widget()->sizeHint();

    int buttonHeight = qMax(perp(verticalTitleBar, closeSize),
                            perp(verticalTitleBar, floatSize));

    QFontMetrics titleFontMetrics = q->fontMetrics();
#ifdef Q_WS_MAC
    if (qobject_cast<QMacStyle *>(q->style())) {
        //### this breaks on proxy styles.  (But is this code still called?)
        QFont font = qt_app_fonts_hash()->value("QToolButton", q->font());
        titleFontMetrics = QFontMetrics(font);
    }
#endif

    int mw = q->style()->pixelMetric(QStyle::PM_DockWidgetTitleMargin, 0, q);

    return qMax(buttonHeight + 2, titleFontMetrics.height() + 2*mw);
}

示例#2

显示文件

文件： qdockwidget.cpp 项目： muromec/qtopia-ezx

int QDockWidgetLayout::titleHeight() const
{
    QDockWidget *q = qobject_cast<QDockWidget*>(parentWidget());

    if (QWidget *title = widget(TitleBar))
        return perp(verticalTitleBar, title->sizeHint());

    QSize closeSize(0, 0);
    QSize floatSize(0, 0);
    if (QLayoutItem *item = item_list[CloseButton])
        closeSize = item->widget()->sizeHint();
    if (QLayoutItem *item = item_list[FloatButton])
        floatSize = item->widget()->sizeHint();

    int buttonHeight = qMax(perp(verticalTitleBar, closeSize),
                            perp(verticalTitleBar, floatSize));

    QFontMetrics titleFontMetrics = q->fontMetrics();
#ifdef Q_WS_MAC
    if (qobject_cast<QMacStyle *>(q->style())) {
        extern QHash<QByteArray, QFont> *qt_app_fonts_hash(); // qapplication.cpp
        QFont font = qt_app_fonts_hash()->value("QToolButton", q->font());
        titleFontMetrics = QFontMetrics(font);
    }
#endif

    int mw = q->style()->pixelMetric(QStyle::PM_DockWidgetTitleMargin, 0, q);

    return qMax(buttonHeight + 2, titleFontMetrics.lineSpacing() + 2*mw);
}