qmdiarea.cpp File Reference

#include "qmdiarea_p.h"
#include <QApplication>
#include <QStyle>
#include <QMacStyle>
#include <QChildEvent>
#include <QResizeEvent>
#include <QScrollBar>
#include <QtAlgorithms>
#include <QMutableListIterator>
#include <QPainter>
#include <QFontMetrics>
#include <QStyleOption>
#include <QDesktopWidget>
#include <QDebug>
#include <qmath.h>
#include <private/qlayoutengine_p.h>
#include "moc_qmdiarea.cpp"

Go to the source code of this file.

Classes
class	QMdiAreaTabBar

Functions
static QMdiArea *	mdiAreaParent (QWidget *widget)
static bool	sanityCheck (const QMdiSubWindow *const child, const char *where)
static bool	sanityCheck (const QList< QWidget *> &widgets, const int index, const char *where)
static void	setIndex (int *index, int candidate, int min, int max, bool isIncreasing)
static QTabBar::Shape	tabBarShapeFrom (QTabWidget::TabShape shape, QTabWidget::TabPosition position)
static QString	tabTextFor (QMdiSubWindow *subWindow)
static bool	useScrollBar (const QRect &childrenRect, const QSize &maxViewportSize, Qt::Orientation orientation)

Function Documentation

mdiAreaParent()

static QMdiArea* mdiAreaParent ( QWidget *  widget )

inlinestatic

Definition at line 259 of file qmdiarea.cpp.

Referenced by QMdiArea::eventFilter().

{
    if (!widget)
        return 0;

    QWidget *parent = widget->parentWidget();
    while (parent) {
        if (QMdiArea *area = qobject_cast<QMdiArea *>(parent))
            return area;
        parent = parent->parentWidget();
    }
    return 0;
}

sanityCheck() [1/2]

static bool sanityCheck ( const QMdiSubWindow *const  child, const char *  where  )

static

Definition at line 198 of file qmdiarea.cpp.

Referenced by QMdiAreaPrivate::_q_deactivateAllWindows(), QMdiArea::closeAllSubWindows(), QMdiArea::event(), QMdiAreaPrivate::internalRaise(), QMdiArea::minimumSizeHint(), QMdiAreaPrivate::place(), QMdi::RegularTiler::rearrange(), QMdi::SimpleCascader::rearrange(), QMdi::IconTiler::rearrange(), QMdiAreaPrivate::rearrange(), QMdiArea::removeSubWindow(), QMdiArea::resizeEvent(), QMdiAreaPrivate::scrollBarPolicyChanged(), QMdiArea::setupViewport(), and QMdiArea::sizeHint().

{
    if (!child) {
        const char error[] = "null pointer";
        Q_ASSERT_X(false, where, error);
        qWarning("%s:%s", where, error);
        return false;
    }
    return true;
}

sanityCheck() [2/2]

static bool sanityCheck ( const QList< QWidget *> &  widgets, const int  index, const char *  where  )

static

Definition at line 209 of file qmdiarea.cpp.

{
    if (index < 0 || index >= widgets.size()) {
        const char error[] = "index out of range";
        Q_ASSERT_X(false, where, error);
        qWarning("%s:%s", where, error);
        return false;
    }
    if (!widgets.at(index)) {
        const char error[] = "null pointer";
        Q_ASSERT_X(false, where, error);
        qWarning("%s:%s", where, error);
        return false;
    }
    return true;
}

setIndex()

static void setIndex ( int *  index, int  candidate, int  min, int  max, bool  isIncreasing  )

static

Definition at line 226 of file qmdiarea.cpp.

Referenced by QMdiAreaPrivate::nextVisibleSubWindow().

{
    if (!index)
        return;

    if (isIncreasing) {
        if (candidate > max)
            *index = min;
        else
            *index = qMax(candidate, min);
    } else {
        if (candidate < min)
            *index = max;
        else
            *index = qMin(candidate, max);
    }
    Q_ASSERT(*index >= min && *index <= max);
}

tabBarShapeFrom()

static QTabBar::Shape tabBarShapeFrom ( QTabWidget::TabShape  shape, QTabWidget::TabPosition  position  )

inlinestatic

Definition at line 274 of file qmdiarea.cpp.

Referenced by QMdiAreaPrivate::refreshTabBar(), QMdiAreaPrivate::setViewMode(), and QMdiAreaPrivate::updateTabBarGeometry().

{
    const bool rounded = (shape == QTabWidget::Rounded);
    if (position == QTabWidget::North)
        return rounded ? QTabBar::RoundedNorth : QTabBar::TriangularNorth;
    if (position == QTabWidget::South)
        return rounded ? QTabBar::RoundedSouth : QTabBar::TriangularSouth;
    if (position == QTabWidget::East)
        return rounded ? QTabBar::RoundedEast : QTabBar::TriangularEast;
    if (position == QTabWidget::West)
        return rounded ? QTabBar::RoundedWest : QTabBar::TriangularWest;
    return QTabBar::RoundedNorth;
}

tabTextFor()

static QString tabTextFor ( QMdiSubWindow *  subWindow )

inlinestatic

Definition at line 289 of file qmdiarea.cpp.

Referenced by QMdiAreaPrivate::appendChild(), QMdiArea::eventFilter(), and QMdiAreaPrivate::setViewMode().

{
    if (!subWindow)
        return QString();

    QString title = subWindow->windowTitle();
    if (subWindow->isWindowModified()) {
        title.replace(QLatin1String("[*]"), QLatin1String("*"));
    } else {
        extern QString qt_setWindowTitle_helperHelper(const QString&, const QWidget*);
        title = qt_setWindowTitle_helperHelper(title, subWindow);
    }

    return title.isEmpty() ? QMdiArea::tr("(Untitled)") : title;
}

useScrollBar()

static bool useScrollBar ( const QRect &  childrenRect, const QSize &  maxViewportSize, Qt::Orientation  orientation  )

inlinestatic

Definition at line 245 of file qmdiarea.cpp.

Referenced by QMdiAreaPrivate::updateScrollBars().

{
    if (orientation == Qt::Horizontal)
        return  childrenRect.width() > maxViewportSize.width()
                || childrenRect.left() < 0
                || childrenRect.right() >= maxViewportSize.width();
    else
        return childrenRect.height() > maxViewportSize.height()
               || childrenRect.top() < 0
               || childrenRect.bottom() >= maxViewportSize.height();
}