QAbstractScrollAreaScrollBarContainer Class Reference

#include <qabstractscrollarea_p.h>

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Detailed Description

Definition at line 95 of file qabstractscrollarea_p.h.

Public Types
enum	LogicalPosition
Public Member Functions
	QAbstractScrollAreaScrollBarContainer (Qt::Orientation orientation, QWidget *parent)
void	addWidget (QWidget *widget, LogicalPosition position)
QWidgetList	widgets (LogicalPosition position)
void	removeWidget (QWidget *widget)
Public Attributes
QScrollBar *	scrollBar
QBoxLayout *	layout
Private Member Functions
int	scrollBarLayoutIndex () const
Private Attributes
Qt::Orientation	orientation

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Member Enumeration Documentation

enum QAbstractScrollAreaScrollBarContainer::LogicalPosition

Definition at line 98 of file qabstractscrollarea_p.h.

{ LogicalLeft = 1, LogicalRight = 2 };

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Constructor & Destructor Documentation

QAbstractScrollAreaScrollBarContainer::QAbstractScrollAreaScrollBarContainer	(	Qt::Orientation	orientation,
		QWidget *	parent
	)

Definition at line 102 of file qabstractscrollarea.cpp.

References QLayout::addWidget(), QWidget::layout(), scrollBar, QWidget::setLayout(), QLayout::setMargin(), and QLayout::setSpacing().

    :QWidget(parent), scrollBar(new QScrollBar(orientation, this)),
     layout(new QBoxLayout(orientation == Qt::Horizontal ? QBoxLayout::LeftToRight : QBoxLayout::TopToBottom)),
     orientation(orientation)
{
    setLayout(layout);
    layout->setMargin(0);
    layout->setSpacing(0);
    layout->addWidget(scrollBar);
}

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Member Function Documentation

void QAbstractScrollAreaScrollBarContainer::addWidget	(	QWidget *	widget,
		LogicalPosition	position
	)

Definition at line 116 of file qabstractscrollarea.cpp.

References QSizePolicy::Ignored, QWidget::layout(), LogicalLeft, orientation, scrollBarLayoutIndex(), QSizePolicy::setHorizontalPolicy(), QWidget::setParent(), QWidget::setSizePolicy(), QSizePolicy::setVerticalPolicy(), QWidget::sizePolicy(), and Qt::Vertical.

{
    QSizePolicy policy = widget->sizePolicy();
    if (orientation == Qt::Vertical)
        policy.setHorizontalPolicy(QSizePolicy::Ignored);
    else
        policy.setVerticalPolicy(QSizePolicy::Ignored);
    widget->setSizePolicy(policy);
    widget->setParent(this);

    const int insertIndex = (position & LogicalLeft) ? 0 : scrollBarLayoutIndex() + 1;
    layout->insertWidget(insertIndex, widget);
}

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QWidgetList QAbstractScrollAreaScrollBarContainer::widgets

(

LogicalPosition

position

)

Definition at line 134 of file qabstractscrollarea.cpp.

References QList< T >::append(), QLayout::count(), i, QLayout::itemAt(), QWidget::layout(), LogicalLeft, LogicalRight, scrollBarLayoutIndex(), and QLayoutItem::widget().

{
    QWidgetList list;
    const int scrollBarIndex = scrollBarLayoutIndex();
    if (position == LogicalLeft) {
        for (int i = 0; i < scrollBarIndex; ++i)
            list.append(layout->itemAt(i)->widget());
    } else if (position == LogicalRight) {
        const int layoutItemCount = layout->count();
        for (int i = scrollBarIndex + 1; i < layoutItemCount; ++i)
            list.append(layout->itemAt(i)->widget());
    }
    return list;
}

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void QAbstractScrollAreaScrollBarContainer::removeWidget

(

QWidget *

widget

)

int QAbstractScrollAreaScrollBarContainer::scrollBarLayoutIndex

(

)

const [private]

Definition at line 155 of file qabstractscrollarea.cpp.

References QLayout::count(), i, QLayout::itemAt(), QWidget::layout(), and QLayoutItem::widget().

Referenced by addWidget(), and widgets().

{
    const int layoutItemCount = layout->count();
    for (int i = 0; i < layoutItemCount; ++i) {
        if (qobject_cast<QScrollBar *>(layout->itemAt(i)->widget()))
            return i;
    }
    return -1;
}

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Member Data Documentation

QScrollBar* QAbstractScrollAreaScrollBarContainer::scrollBar

Definition at line 105 of file qabstractscrollarea_p.h.

Referenced by QAbstractScrollAreaPrivate::init(), QAbstractScrollAreaScrollBarContainer(), and QAbstractScrollAreaPrivate::replaceScrollBar().

QBoxLayout* QAbstractScrollAreaScrollBarContainer::layout

Definition at line 106 of file qabstractscrollarea_p.h.

Referenced by QAbstractScrollAreaPrivate::replaceScrollBar().

Qt::Orientation QAbstractScrollAreaScrollBarContainer::orientation [private]

Definition at line 110 of file qabstractscrollarea_p.h.

Referenced by addWidget().

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

• src/gui/widgets/qabstractscrollarea_p.h
• src/gui/widgets/qabstractscrollarea.cpp

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