QT qbuttongroup realizes single selection and multiple selection

One 、QButtonGroup brief introduction

QButtonGroup Inherited from QObject, Not a visual class , It mainly groups the keys , Easy key management .

Two 、 function （API）

1. View button and set button ID, Achieve radio , multi-select , After clicking, get the clicked button by signal ID;

3、 ... and 、 combination QRadioButton,QCheckButton,QPushButton And so on. QAbstractButton Object implementation of class

Examples ：

QButtonGroup* mButtonGroup;
mCheckBoxGroup = new QButtonGroup();
         
mCheckBoxGroup->setExclusive(false);  // Set this button group to mutually exclusive mode  true  Mutually exclusive 
QCheckBox *checkBoxA = new QCheckBox();
QCheckBox *checkBoxB = new QCheckBox();

 for (int i = 0; i <2; i++)
 {
		
	 mButtonGroup->addButton(*checkBoxA, i);
	 mCheckBoxGroup->addButton(*checkBoxB, i);
 }


//  Connecting signals and slots 
 connect(mCheckBoxGroup, SIGNAL(buttonClicked(int)), this, SLOT(slot_CheckBoxGroupClicked(int)));

 void ACLManualSegmentationUnityWidget::slot_CheckBoxGroupClicked(int id)
{

   if( mCheckBoxGroup->->button(id)->isChecked())// It can be seen here that   Which is more specific button id  state 
   {
       qDebug()<< QString::number(id); <<"checked  true";   
   }
   else
   {
       qDebug()<< QString::number(id); <<"checked  false"; 
   }
	 
}