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);
}
int QDockWidgetLayout::minimumTitleWidth() const
{
QDockWidget *q = qobject_cast<QDockWidget*>(parentWidget());
if (QWidget *title = widgetForRole(TitleBar))
return pick(verticalTitleBar, title->minimumSizeHint());
QSize closeSize(0, 0);
QSize floatSize(0, 0);
if (hasFeature(q, QDockWidget::DockWidgetClosable)) {
if (QLayoutItem *item = item_list[CloseButton])
closeSize = item->widget()->sizeHint();
}
if (hasFeature(q, QDockWidget::DockWidgetFloatable)) {
if (QLayoutItem *item = item_list[FloatButton])
floatSize = item->widget()->sizeHint();
}
int titleHeight = this->titleHeight();
int mw = q->style()->pixelMetric(QStyle::PM_DockWidgetTitleMargin, 0, q);
int fw = q->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, 0, q);
return pick(verticalTitleBar, closeSize)
+ pick(verticalTitleBar, floatSize)
+ titleHeight + 2*fw + 3*mw;
}
void QDockWidgetLayout::setWidgetForRole(Role r, QWidget *w)
{
QWidget *old = widgetForRole(r);
if (old != 0) {
old->hide();
removeWidget(old);
}
if (w != 0) {
addChildWidget(w);
item_list[r] = new QWidgetItemV2(w);
w->show();
} else {
item_list[r] = 0;
}
invalidate();
}
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();
int mw = q->style()->pixelMetric(QStyle::PM_DockWidgetTitleMargin, 0, q);
return qMax(buttonHeight + 2, titleFontMetrics.height() + 2*mw);
}