Creating Classes, Libraries and Functions for the Common SLS Detector GUI

git-svn-id: file:///afs/psi.ch/project/sls_det_software/svn/slsDetectorGui@1 af1100a4-978c-4157-bff7-07162d2ba061

slsDetectorGui/slsDetectorPlotting/include/SlsQtValidators.h

@@ -0,0 +1,73 @@
+
+/**
+ * @author Ian Johnson
+ * @version 1.0
+ */
+
+#ifndef SLSQTVALIDATORS_H
+#define SLSQTVALIDATORS_H
+
+#include <iostream>
+#include <math.h>
+
+#include <qwidget.h>
+#include <qvalidator.h>
+
+using std::cout;
+using std::endl;
+
+class SlsQtIntValidator:public QIntValidator{
+
+ public:
+  SlsQtIntValidator(QWidget *parent):QIntValidator(parent){}
+
+  virtual void fixup (QString& text) const {
+    bool ok = 1;
+    int v = text.toInt(&ok);
+
+    if(!ok){
+      v = text.toDouble(&ok);      
+      if(ok) text = QString::number(v);
+      else   text = QString::number(0);
+      fixup(text);
+    }
+
+    if(v<bottom())   text = QString::number(bottom());
+    else if(v>top()) text = QString::number(top());
+  }
+
+};
+
+class SlsQtDoubleValidator:public QDoubleValidator{
+
+ public:
+  SlsQtDoubleValidator(QWidget *parent):QDoubleValidator(parent){}
+
+  virtual void fixup (QString& text) const {
+
+    bool ok = 1;
+    double v = text.toDouble(&ok);
+
+    if(!ok){
+      text = QString::number(0);
+      fixup(text);
+    }    
+   
+    int nd = this->decimals();  //ndigest behind zero
+    if(v<bottom()){
+      text = QString::number(bottom(),'g',nd);
+    }else{
+      if(nd<0) nd=0;
+      if(v>top()){
+	v = floor(top()*pow(10,nd))/pow(10,nd);
+	text = QString::number(v,'g');
+      }else{
+	v = round(v*pow(10,nd))/pow(10,nd);
+	text = QString::number(v,'g');
+      }
+    }
+  }
+  
+};
+
+#endif