QCheckBox

#include <QCheckBox>

Properties

• tristate : bool

• 11 properties inherited from QAbstractButton
• 59 properties inherited from QWidget
• 1 property inherited from QObject

Public Functions

	QCheckBox(QWidget *parent = nullptr)
	QCheckBox(const QString &text, QWidget *parent = nullptr)
virtual	~QCheckBox()
Qt::CheckState	checkState() const
bool	isTristate() const
void	setCheckState(Qt::CheckState state)
void	setTristate(bool y = true)

Reimplemented Public Functions

virtual QSize	minimumSizeHint() const override
virtual QSize	sizeHint() const override

• 21 public functions inherited from QAbstractButton
• 214 public functions inherited from QWidget
• 34 public functions inherited from QObject
• 14 public functions inherited from QPaintDevice

Signals

void	stateChanged(int state)

• 4 signals inherited from QAbstractButton
• 3 signals inherited from QWidget
• 2 signals inherited from QObject

Protected Functions

void	initStyleOption(QStyleOptionButton *option) const

Reimplemented Protected Functions

virtual void	checkStateSet() override
virtual bool	event(QEvent *e) override
virtual bool	hitButton(const QPoint &pos) const override
virtual void	mouseMoveEvent(QMouseEvent *e) override
virtual void	nextCheckState() override
virtual void	paintEvent(QPaintEvent *) override

• 14 protected functions inherited from QAbstractButton
• 35 protected functions inherited from QWidget
• 9 protected functions inherited from QObject
• 1 protected function inherited from QPaintDevice

Additional Inherited Members

• 5 public slots inherited from QAbstractButton
• 19 public slots inherited from QWidget
• 1 public slot inherited from QObject
• 1 public variable inherited from QObject
• 5 static public members inherited from QWidget
• 10 static public members inherited from QObject
• 1 protected slot inherited from QWidget
• 2 protected variables inherited from QObject
• 1 protected type inherited from QPaintDevice

Detailed Description

The QCheckBox widget provides a checkbox with a text label.

使用案例

绑定槽函数：

connect(this->dCheckBox, SIGNAL(stateChanged(int)), this, SLOT(slotDCheckBoxChangeState(int)));

void slotDCheckBoxChangeState(int stateParam)
{
    
    if (stateParam==2)
    {
        //选中
    }
    
    if(stateParam ==0)
    {
        //取消选中
    }
}

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