QMdi::SimpleCascader Class Reference

#include <qmdiarea_p.h>

Inheritance diagram for QMdi::SimpleCascader:

Private Functions
void	rearrange (QList< QWidget *> &widgets, const QRect &domain) const
Type	type () const

Additional Inherited Members
Public Types inherited from QMdi::Rearranger
enum	Type { RegularTiler, SimpleCascader, IconTiler }
Public Functions inherited from QMdi::Rearranger
virtual	~Rearranger ()

Detailed Description

Definition at line 95 of file qmdiarea_p.h.

Functions

rearrange()

void SimpleCascader::rearrange ( QList< QWidget *> &  widgets, const QRect &  domain  ) const

privatevirtual

Warning

This function is not part of the public interface.

Implements QMdi::Rearranger.

Definition at line 352 of file qmdiarea.cpp.

{
    if (widgets.isEmpty())
        return;

    // Tunables:
    const int topOffset = 0;
    const int bottomOffset = 50;
    const int leftOffset = 0;
    const int rightOffset = 100;
    const int dx = 10;

    QStyleOptionTitleBar options;
    options.initFrom(widgets.at(0));
    int titleBarHeight = widgets.at(0)->style()->pixelMetric(QStyle::PM_TitleBarHeight, &options, widgets.at(0));
#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
    // ### Remove this after the mac style has been fixed
    if (qobject_cast<QMacStyle *>(widgets.at(0)->style()))
        titleBarHeight -= 4;
#endif
    const QFontMetrics fontMetrics = QFontMetrics(QApplication::font("QWorkspaceTitleBar"));
    const int dy = qMax(titleBarHeight - (titleBarHeight - fontMetrics.height()) / 2, 1);

    const int n = widgets.size();
    const int nrows = qMax((domain.height() - (topOffset + bottomOffset)) / dy, 1);
    const int ncols = qMax(n / nrows + ((n % nrows) ? 1 : 0), 1);
    const int dcol = (domain.width() - (leftOffset + rightOffset)) / ncols;

    int i = 0;
    for (int row = 0; row < nrows; ++row) {
        for (int col = 0; col < ncols; ++col) {
            const int x = leftOffset + row * dx + col * dcol;
            const int y = topOffset + row * dy;
            if (!sanityCheck(widgets, i, "SimpleCascader"))
                continue;
            QWidget *widget = widgets.at(i++);
            QRect newGeometry = QRect(QPoint(x, y), widget->sizeHint());
            widget->setGeometry(QStyle::visualRect(widget->layoutDirection(), domain, newGeometry));
            if (i == n)
                return;
        }
    }
}

type()

Type QMdi::SimpleCascader::type ( ) const

inlineprivatevirtual

Implements QMdi::Rearranger.

Definition at line 101 of file qmdiarea_p.h.

{ return Rearranger::SimpleCascader; }

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The documentation for this class was generated from the following files:

• /src/gui/widgets/qmdiarea_p.h
• /src/gui/widgets/qmdiarea.cpp