56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
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#include "WDraggableSpinBox.h"
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#include <QMouseEvent>
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#include <QDesktopWidget>
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WDraggableSpinBox::WDraggableSpinBox(QWidget *parent) : QDoubleSpinBox(parent)
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{
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mBeingDragged = false;
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mDefaultValue = value();
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setMinimum(-1000000.0);
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setMaximum(1000000.0);
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setDecimals(4);
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}
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WDraggableSpinBox::~WDraggableSpinBox()
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{
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}
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void WDraggableSpinBox::mousePressEvent(QMouseEvent *Event)
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{
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mBeingDragged = true;
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mBeenDragged = false;
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mInitialY = Event->y();
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mInitialValue = value();
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}
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void WDraggableSpinBox::mouseReleaseEvent(QMouseEvent *Event)
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{
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mBeingDragged = false;
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if (Event->button() == Qt::LeftButton)
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{
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if (!mBeenDragged)
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{
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if (Event->y() <= height() / 2)
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stepUp();
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else
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stepDown();
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}
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}
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else if (Event->button() == Qt::RightButton)
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{
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setValue(mDefaultValue);
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}
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}
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void WDraggableSpinBox::mouseMoveEvent(QMouseEvent *Event)
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{
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if (mBeingDragged)
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{
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double DragAmount = (singleStep() / 10.0) * (mInitialY - Event->y());
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setValue(mInitialValue + DragAmount);
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if (DragAmount != 0) mBeenDragged = true;
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}
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}
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