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QAbstractSlider - adding setRange as a slot

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In many situations it would be very nice to have setRange
as a slot. It fits good with the rangeChanged signal -
and in some situations it does make sense to synchronize
scrollbars ranges.

Change-Id: I6bcb41ed6e009e5822b56b621e4e187fe52502a6
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>
This commit is contained in:
Thorbjørn Lund Martsum 2012-02-23 15:53:51 +01:00 committed by Qt by Nokia
parent db1abf9f76
commit 87975f88ce
2 changed files with 14 additions and 2 deletions
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3
src/widgets/widgets/qabstractslider.h
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@ -79,8 +79,6 @@ public:
void setMaximum(int);
int maximum() const;
void setRange(int min, int max);
void setSingleStep(int);
int singleStep() const;
@ -120,6 +118,7 @@ public:
public Q_SLOTS:
void setValue(int);
void setOrientation(Qt::Orientation);
void setRange(int min, int max);
Q_SIGNALS:
void valueChanged(int value);

13
tests/auto/widgets/widgets/qabstractslider/tst_qabstractslider.cpp
View File

@ -93,6 +93,7 @@ private slots:
void setValue_data();
void setValue();
void setRepeatAction();
void connectedSliders();
private:
void waitUntilTimeElapsed(const QTime& t, int ms);
@ -1259,5 +1260,17 @@ void tst_QAbstractSlider::setRepeatAction()
QCOMPARE(slider->value(), 115);
}
void tst_QAbstractSlider::connectedSliders()
{
Slider *slider2 = new Slider(topLevel);
connect(slider, SIGNAL(rangeChanged(int, int)), slider2, SLOT(setRange(int, int)));
const int sliderlow = 13;
const int sliderhigh = 1017;
slider->setRange(sliderlow, sliderhigh);
QCOMPARE(slider2->minimum(), sliderlow);
QCOMPARE(slider2->maximum(), sliderhigh);
delete slider2;
}
QTEST_MAIN(tst_QAbstractSlider)
#include "tst_qabstractslider.moc"