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QAbstractScrollArea: add a getter for the margins

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Strange API asymmetry that needed to be fixed.

Task-number: QTBUG-8315

[ChangeLog][QtWidgets][QAbstractScrollArea] A getter for the viewport
margins has been added.

Change-Id: Ie1460b572206922031fc4effc2aa8261e25088b5
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
This commit is contained in:
Giuseppe D'Angelo 2014-12-03 12:58:14 +01:00
parent 5180f32c5a
commit d41834b953
3 changed files with 35 additions and 2 deletions
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17
src/widgets/widgets/qabstractscrollarea.cpp
View File

@ -923,7 +923,7 @@ QWidgetList QAbstractScrollArea::scrollBarWidgets(Qt::Alignment alignment)
they should not call this function.
By default all margins are zero.
\sa viewportMargins()
*/
void QAbstractScrollArea::setViewportMargins(int left, int top, int right, int bottom)
{
@ -943,7 +943,7 @@ void QAbstractScrollArea::setViewportMargins(int left, int top, int right, int b
area.
By default all margins are zero.
\sa viewportMargins()
*/
void QAbstractScrollArea::setViewportMargins(const QMargins &margins)
{
@ -951,6 +951,19 @@ void QAbstractScrollArea::setViewportMargins(const QMargins &margins)
margins.right(), margins.bottom());
}
/*!
\since 5.5
Returns the margins around the scrolling area.
By default all the margins are zero.
\sa setViewportMargins()
*/
QMargins QAbstractScrollArea::viewportMargins() const
{
Q_D(const QAbstractScrollArea);
return QMargins(d->left, d->top, d->right, d->bottom);
}
/*! \internal */
bool QAbstractScrollArea::eventFilter(QObject *o, QEvent *e)
{

1
src/widgets/widgets/qabstractscrollarea.h
View File

@ -97,6 +97,7 @@ protected:
QAbstractScrollArea(QAbstractScrollAreaPrivate &dd, QWidget *parent = 0);
void setViewportMargins(int left, int top, int right, int bottom);
void setViewportMargins(const QMargins &margins);
QMargins viewportMargins() const;
bool eventFilter(QObject *, QEvent *) Q_DECL_OVERRIDE;
bool event(QEvent *) Q_DECL_OVERRIDE;

19
tests/auto/widgets/widgets/qabstractscrollarea/tst_qabstractscrollarea.cpp
View File

@ -60,6 +60,8 @@ private slots:
void viewportCrash();
void task214488_layoutDirection_data();
void task214488_layoutDirection();
void margins();
};
tst_QAbstractScrollArea::tst_QAbstractScrollArea()
@ -375,5 +377,22 @@ void tst_QAbstractScrollArea::patternBackground()
QCOMPARE(image.pixel(QPoint(20,20)) , QColor(Qt::red).rgb());
}
class ScrollArea : public QAbstractScrollArea
{
public:
using QAbstractScrollArea::setViewportMargins;
using QAbstractScrollArea::viewportMargins;
};
void tst_QAbstractScrollArea::margins()
{
ScrollArea area;
QCOMPARE(area.viewportMargins(), QMargins());
QMargins margins(10, 20, 30, 40);
area.setViewportMargins(margins);
QCOMPARE(area.viewportMargins(), margins);
}
QTEST_MAIN(tst_QAbstractScrollArea)
#include "tst_qabstractscrollarea.moc"