QT new functions:

 - add CV_RADIOBOX with exclusive mode

modules/highgui/include/opencv2/highgui/highgui_c.h

@@ -95,7 +95,7 @@ CVAPI(int) cvStartLoop(int (*pt2Func)(int argc, char *argv[]), int argc, char* a
 CVAPI(void) cvStopLoop();
 
 typedef void (CV_CDECL *CvButtonCallback)(int state, void* userdata);
-enum {CV_PUSH_BUTTON = 0, CV_CHECKBOX = 1};
+enum {CV_PUSH_BUTTON = 0, CV_CHECKBOX = 1, CV_RADIOBOX = 2};
 CVAPI(int) cvCreateButton( const char* button_name CV_DEFAULT(NULL),CvButtonCallback on_change CV_DEFAULT(NULL), void* userdata CV_DEFAULT(NULL) , int button_type CV_DEFAULT(CV_PUSH_BUTTON), bool initial_button_state CV_DEFAULT(0));
 //----------------------
 

modules/highgui/src/window_QT.cpp

@@ -1033,6 +1033,8 @@ CvButtonbar::CvButtonbar(QWidget* arg,  QString arg2)
     name_bar = arg2;
     setObjectName(name_bar);
 
+    group_button = new QButtonGroup;
+
     /*
     label = new QLabel;
     setLabel();
@@ -1047,6 +1049,7 @@ CvButtonbar::~CvButtonbar()
     while ((child = takeAt(0)) != 0)
 	delete child;
 
+    delete group_button;
 }
 
 void CvButtonbar::setLabel()
@@ -1072,6 +1075,13 @@ void CvButtonbar::addButton( QString name, CvButtonCallback call, void* userdata
         //CvCheckButton*
         button = (QAbstractButton*) new CvCheckBox(this, button_name,call, userdata, initial_button_state);
 
+    if (button_type == CV_RADIOBOX)
+    {
+        //CvCheckButton*
+        button = (QAbstractButton*) new CvRadioButton(this, button_name,call, userdata, initial_button_state);
+        group_button->addButton(button);
+    }
+
     if (button)
     {
         QObject::connect( button, SIGNAL( clicked() ),button, SLOT( callCallBack() ));
@@ -1117,7 +1127,22 @@ void CvCheckBox::callCallBack()
     callback(this->isChecked(),userdata);
 }
 
+CvRadioButton::CvRadioButton(CvButtonbar* arg1, QString arg2, CvButtonCallback arg3, void* arg4, bool initial_button_state)
+{
+	myparent = arg1;
+	button_name = arg2;
+	callback = arg3;
+	userdata=arg4;
+
+	setObjectName(button_name);
+	setChecked(initial_button_state);
+	setText(button_name);
+}
 
+void CvRadioButton::callCallBack()
+{
+	callback(this->isChecked(),userdata);
+}
 
 
 

modules/highgui/src/window_QT.h

@@ -76,6 +76,8 @@
 #include <QAction>
 #include <QPushButton>
 #include <QCheckBox>
+#include <QRadioButton>
+#include <QButtonGroup>
 #include <QMenu>
 
 //start private enum
@@ -159,6 +161,7 @@ private:
     void setLabel();
 
     QPointer<QLabel> label;
+    QPointer<QButtonGroup> group_button;
 };
 
 
@@ -196,6 +199,23 @@ private slots:
     void callCallBack();
 };
 
+class CvRadioButton : public QRadioButton
+{
+    Q_OBJECT
+public:
+    CvRadioButton(CvButtonbar* par, QString button_name, CvButtonCallback call, void* userdata, bool initial_button_state);
+
+private:
+    CvButtonbar* myparent;
+    QString button_name ;
+    CvButtonCallback callback;
+    void* userdata;
+
+private slots:
+    void callCallBack();
+};
+
+
 
 class CvTrackbar :  public CvBar
 {