Add and use UIntEdit for 32-bit GRE Key/Seq fields

common/gre.ui

@@ -78,16 +78,10 @@
     </widget>
    </item>
    <item row="2" column="1">
-    <widget class="IntEdit" name="key">
+    <widget class="UIntEdit" name="key">
      <property name="enabled">
       <bool>false</bool>
      </property>
-     <property name="prefix">
-      <string>0x</string>
-     </property>
-     <property name="displayIntegerBase">
-      <number>16</number>
-     </property>
     </widget>
    </item>
    <item row="3" column="0">
@@ -98,7 +92,7 @@
     </widget>
    </item>
    <item row="3" column="1">
-    <widget class="IntEdit" name="sequence">
+    <widget class="UIntEdit" name="sequence">
      <property name="enabled">
       <bool>false</bool>
      </property>
@@ -125,6 +119,11 @@
    <extends>QSpinBox</extends>
    <header>intedit.h</header>
   </customwidget>
+  <customwidget>
+   <class>UIntEdit</class>
+   <extends>QLineEdit</extends>
+   <header>uintedit.h</header>
+  </customwidget>
  </customwidgets>
  <tabstops>
   <tabstop>hasChecksum</tabstop>

common/uintedit.h

@@ -0,0 +1,57 @@
+/*
+Copyright (C) 2022 Srivats P.
+
+This file is part of "Ostinato"
+
+This is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+#ifndef _UINT_EDIT_H
+#define _UINT_EDIT_H
+
+#include "ulonglongvalidator.h"
+
+#include <QLineEdit>
+
+#include <limits.h>
+
+class UIntEdit: public QLineEdit
+{
+public:
+    UIntEdit(QWidget *parent = 0);
+
+    quint32 value();
+    void setValue(quint32 val);
+};
+
+// -------------------- //
+
+inline UIntEdit::UIntEdit(QWidget *parent)
+    : QLineEdit(parent)
+{
+    setValidator(new ULongLongValidator(0, UINT_MAX));
+}
+
+inline quint32 UIntEdit::value()
+{
+    return text().toUInt(Q_NULLPTR, 0);
+}
+
+inline void UIntEdit::setValue(quint32 val)
+{
+    setText(QString::number(val));
+}
+
+#endif
+

common/ulonglongvalidator.h

@@ -29,6 +29,11 @@ public:
         : QValidator(parent)
     {
     }
+    ULongLongValidator(qulonglong min, qulonglong max, QObject *parent = 0)
+        : QValidator(parent)
+    {
+        setRange(min, max);
+    }
     ~ULongLongValidator() {}
 
     void setRange(qulonglong min, qulonglong max)